mono

For browser video download

目前為 2022-02-16 提交的版本,檢視 最新版本

此腳本不應該直接安裝,它是一個供其他腳本使用的函式庫。欲使用本函式庫,請在腳本 metadata 寫上: // @require https://update.cn-greasyfork.org/scripts/440006/1019121/mono.js

/******/ (() => { // webpackBootstrap
/******/ 	var __webpack_modules__ = ([
/* 0 */,
/* 1 */
/***/ (function(module, exports) {

var __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;/*!
 * jQuery JavaScript Library v3.6.0
 * https://jquery.com/
 *
 * Includes Sizzle.js
 * https://sizzlejs.com/
 *
 * Copyright OpenJS Foundation and other contributors
 * Released under the MIT license
 * https://jquery.org/license
 *
 * Date: 2021-03-02T17:08Z
 */
(function (global, factory) {
  "use strict";

  if ( true && typeof module.exports === "object") {
    // For CommonJS and CommonJS-like environments where a proper `window`
    // is present, execute the factory and get jQuery.
    // For environments that do not have a `window` with a `document`
    // (such as Node.js), expose a factory as module.exports.
    // This accentuates the need for the creation of a real `window`.
    // e.g. var jQuery = require("jquery")(window);
    // See ticket #14549 for more info.
    module.exports = global.document ? factory(global, true) : function (w) {
      if (!w.document) {
        throw new Error("jQuery requires a window with a document");
      }

      return factory(w);
    };
  } else {
    factory(global);
  } // Pass this if window is not defined yet

})(typeof window !== "undefined" ? window : this, function (window, noGlobal) {
  // Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1
  // throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode
  // arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common
  // enough that all such attempts are guarded in a try block.
  "use strict";

  var arr = [];
  var getProto = Object.getPrototypeOf;
  var slice = arr.slice;
  var flat = arr.flat ? function (array) {
    return arr.flat.call(array);
  } : function (array) {
    return arr.concat.apply([], array);
  };
  var push = arr.push;
  var indexOf = arr.indexOf;
  var class2type = {};
  var toString = class2type.toString;
  var hasOwn = class2type.hasOwnProperty;
  var fnToString = hasOwn.toString;
  var ObjectFunctionString = fnToString.call(Object);
  var support = {};

  var isFunction = function isFunction(obj) {
    // Support: Chrome <=57, Firefox <=52
    // In some browsers, typeof returns "function" for HTML <object> elements
    // (i.e., `typeof document.createElement( "object" ) === "function"`).
    // We don't want to classify *any* DOM node as a function.
    // Support: QtWeb <=3.8.5, WebKit <=534.34, wkhtmltopdf tool <=0.12.5
    // Plus for old WebKit, typeof returns "function" for HTML collections
    // (e.g., `typeof document.getElementsByTagName("div") === "function"`). (gh-4756)
    return typeof obj === "function" && typeof obj.nodeType !== "number" && typeof obj.item !== "function";
  };

  var isWindow = function isWindow(obj) {
    return obj != null && obj === obj.window;
  };

  var document = window.document;
  var preservedScriptAttributes = {
    type: true,
    src: true,
    nonce: true,
    noModule: true
  };

  function DOMEval(code, node, doc) {
    doc = doc || document;
    var i,
        val,
        script = doc.createElement("script");
    script.text = code;

    if (node) {
      for (i in preservedScriptAttributes) {
        // Support: Firefox 64+, Edge 18+
        // Some browsers don't support the "nonce" property on scripts.
        // On the other hand, just using `getAttribute` is not enough as
        // the `nonce` attribute is reset to an empty string whenever it
        // becomes browsing-context connected.
        // See https://github.com/whatwg/html/issues/2369
        // See https://html.spec.whatwg.org/#nonce-attributes
        // The `node.getAttribute` check was added for the sake of
        // `jQuery.globalEval` so that it can fake a nonce-containing node
        // via an object.
        val = node[i] || node.getAttribute && node.getAttribute(i);

        if (val) {
          script.setAttribute(i, val);
        }
      }
    }

    doc.head.appendChild(script).parentNode.removeChild(script);
  }

  function toType(obj) {
    if (obj == null) {
      return obj + "";
    } // Support: Android <=2.3 only (functionish RegExp)


    return typeof obj === "object" || typeof obj === "function" ? class2type[toString.call(obj)] || "object" : typeof obj;
  }
  /* global Symbol */
  // Defining this global in .eslintrc.json would create a danger of using the global
  // unguarded in another place, it seems safer to define global only for this module


  var version = "3.6.0",
      // Define a local copy of jQuery
  jQuery = function (selector, context) {
    // The jQuery object is actually just the init constructor 'enhanced'
    // Need init if jQuery is called (just allow error to be thrown if not included)
    return new jQuery.fn.init(selector, context);
  };

  jQuery.fn = jQuery.prototype = {
    // The current version of jQuery being used
    jquery: version,
    constructor: jQuery,
    // The default length of a jQuery object is 0
    length: 0,
    toArray: function () {
      return slice.call(this);
    },
    // Get the Nth element in the matched element set OR
    // Get the whole matched element set as a clean array
    get: function (num) {
      // Return all the elements in a clean array
      if (num == null) {
        return slice.call(this);
      } // Return just the one element from the set


      return num < 0 ? this[num + this.length] : this[num];
    },
    // Take an array of elements and push it onto the stack
    // (returning the new matched element set)
    pushStack: function (elems) {
      // Build a new jQuery matched element set
      var ret = jQuery.merge(this.constructor(), elems); // Add the old object onto the stack (as a reference)

      ret.prevObject = this; // Return the newly-formed element set

      return ret;
    },
    // Execute a callback for every element in the matched set.
    each: function (callback) {
      return jQuery.each(this, callback);
    },
    map: function (callback) {
      return this.pushStack(jQuery.map(this, function (elem, i) {
        return callback.call(elem, i, elem);
      }));
    },
    slice: function () {
      return this.pushStack(slice.apply(this, arguments));
    },
    first: function () {
      return this.eq(0);
    },
    last: function () {
      return this.eq(-1);
    },
    even: function () {
      return this.pushStack(jQuery.grep(this, function (_elem, i) {
        return (i + 1) % 2;
      }));
    },
    odd: function () {
      return this.pushStack(jQuery.grep(this, function (_elem, i) {
        return i % 2;
      }));
    },
    eq: function (i) {
      var len = this.length,
          j = +i + (i < 0 ? len : 0);
      return this.pushStack(j >= 0 && j < len ? [this[j]] : []);
    },
    end: function () {
      return this.prevObject || this.constructor();
    },
    // For internal use only.
    // Behaves like an Array's method, not like a jQuery method.
    push: push,
    sort: arr.sort,
    splice: arr.splice
  };

  jQuery.extend = jQuery.fn.extend = function () {
    var options,
        name,
        src,
        copy,
        copyIsArray,
        clone,
        target = arguments[0] || {},
        i = 1,
        length = arguments.length,
        deep = false; // Handle a deep copy situation

    if (typeof target === "boolean") {
      deep = target; // Skip the boolean and the target

      target = arguments[i] || {};
      i++;
    } // Handle case when target is a string or something (possible in deep copy)


    if (typeof target !== "object" && !isFunction(target)) {
      target = {};
    } // Extend jQuery itself if only one argument is passed


    if (i === length) {
      target = this;
      i--;
    }

    for (; i < length; i++) {
      // Only deal with non-null/undefined values
      if ((options = arguments[i]) != null) {
        // Extend the base object
        for (name in options) {
          copy = options[name]; // Prevent Object.prototype pollution
          // Prevent never-ending loop

          if (name === "__proto__" || target === copy) {
            continue;
          } // Recurse if we're merging plain objects or arrays


          if (deep && copy && (jQuery.isPlainObject(copy) || (copyIsArray = Array.isArray(copy)))) {
            src = target[name]; // Ensure proper type for the source value

            if (copyIsArray && !Array.isArray(src)) {
              clone = [];
            } else if (!copyIsArray && !jQuery.isPlainObject(src)) {
              clone = {};
            } else {
              clone = src;
            }

            copyIsArray = false; // Never move original objects, clone them

            target[name] = jQuery.extend(deep, clone, copy); // Don't bring in undefined values
          } else if (copy !== undefined) {
            target[name] = copy;
          }
        }
      }
    } // Return the modified object


    return target;
  };

  jQuery.extend({
    // Unique for each copy of jQuery on the page
    expando: "jQuery" + (version + Math.random()).replace(/\D/g, ""),
    // Assume jQuery is ready without the ready module
    isReady: true,
    error: function (msg) {
      throw new Error(msg);
    },
    noop: function () {},
    isPlainObject: function (obj) {
      var proto, Ctor; // Detect obvious negatives
      // Use toString instead of jQuery.type to catch host objects

      if (!obj || toString.call(obj) !== "[object Object]") {
        return false;
      }

      proto = getProto(obj); // Objects with no prototype (e.g., `Object.create( null )`) are plain

      if (!proto) {
        return true;
      } // Objects with prototype are plain iff they were constructed by a global Object function


      Ctor = hasOwn.call(proto, "constructor") && proto.constructor;
      return typeof Ctor === "function" && fnToString.call(Ctor) === ObjectFunctionString;
    },
    isEmptyObject: function (obj) {
      var name;

      for (name in obj) {
        return false;
      }

      return true;
    },
    // Evaluates a script in a provided context; falls back to the global one
    // if not specified.
    globalEval: function (code, options, doc) {
      DOMEval(code, {
        nonce: options && options.nonce
      }, doc);
    },
    each: function (obj, callback) {
      var length,
          i = 0;

      if (isArrayLike(obj)) {
        length = obj.length;

        for (; i < length; i++) {
          if (callback.call(obj[i], i, obj[i]) === false) {
            break;
          }
        }
      } else {
        for (i in obj) {
          if (callback.call(obj[i], i, obj[i]) === false) {
            break;
          }
        }
      }

      return obj;
    },
    // results is for internal usage only
    makeArray: function (arr, results) {
      var ret = results || [];

      if (arr != null) {
        if (isArrayLike(Object(arr))) {
          jQuery.merge(ret, typeof arr === "string" ? [arr] : arr);
        } else {
          push.call(ret, arr);
        }
      }

      return ret;
    },
    inArray: function (elem, arr, i) {
      return arr == null ? -1 : indexOf.call(arr, elem, i);
    },
    // Support: Android <=4.0 only, PhantomJS 1 only
    // push.apply(_, arraylike) throws on ancient WebKit
    merge: function (first, second) {
      var len = +second.length,
          j = 0,
          i = first.length;

      for (; j < len; j++) {
        first[i++] = second[j];
      }

      first.length = i;
      return first;
    },
    grep: function (elems, callback, invert) {
      var callbackInverse,
          matches = [],
          i = 0,
          length = elems.length,
          callbackExpect = !invert; // Go through the array, only saving the items
      // that pass the validator function

      for (; i < length; i++) {
        callbackInverse = !callback(elems[i], i);

        if (callbackInverse !== callbackExpect) {
          matches.push(elems[i]);
        }
      }

      return matches;
    },
    // arg is for internal usage only
    map: function (elems, callback, arg) {
      var length,
          value,
          i = 0,
          ret = []; // Go through the array, translating each of the items to their new values

      if (isArrayLike(elems)) {
        length = elems.length;

        for (; i < length; i++) {
          value = callback(elems[i], i, arg);

          if (value != null) {
            ret.push(value);
          }
        } // Go through every key on the object,

      } else {
        for (i in elems) {
          value = callback(elems[i], i, arg);

          if (value != null) {
            ret.push(value);
          }
        }
      } // Flatten any nested arrays


      return flat(ret);
    },
    // A global GUID counter for objects
    guid: 1,
    // jQuery.support is not used in Core but other projects attach their
    // properties to it so it needs to exist.
    support: support
  });

  if (typeof Symbol === "function") {
    jQuery.fn[Symbol.iterator] = arr[Symbol.iterator];
  } // Populate the class2type map


  jQuery.each("Boolean Number String Function Array Date RegExp Object Error Symbol".split(" "), function (_i, name) {
    class2type["[object " + name + "]"] = name.toLowerCase();
  });

  function isArrayLike(obj) {
    // Support: real iOS 8.2 only (not reproducible in simulator)
    // `in` check used to prevent JIT error (gh-2145)
    // hasOwn isn't used here due to false negatives
    // regarding Nodelist length in IE
    var length = !!obj && "length" in obj && obj.length,
        type = toType(obj);

    if (isFunction(obj) || isWindow(obj)) {
      return false;
    }

    return type === "array" || length === 0 || typeof length === "number" && length > 0 && length - 1 in obj;
  }

  var Sizzle =
  /*!
   * Sizzle CSS Selector Engine v2.3.6
   * https://sizzlejs.com/
   *
   * Copyright JS Foundation and other contributors
   * Released under the MIT license
   * https://js.foundation/
   *
   * Date: 2021-02-16
   */
  function (window) {
    var i,
        support,
        Expr,
        getText,
        isXML,
        tokenize,
        compile,
        select,
        outermostContext,
        sortInput,
        hasDuplicate,
        // Local document vars
    setDocument,
        document,
        docElem,
        documentIsHTML,
        rbuggyQSA,
        rbuggyMatches,
        matches,
        contains,
        // Instance-specific data
    expando = "sizzle" + 1 * new Date(),
        preferredDoc = window.document,
        dirruns = 0,
        done = 0,
        classCache = createCache(),
        tokenCache = createCache(),
        compilerCache = createCache(),
        nonnativeSelectorCache = createCache(),
        sortOrder = function (a, b) {
      if (a === b) {
        hasDuplicate = true;
      }

      return 0;
    },
        // Instance methods
    hasOwn = {}.hasOwnProperty,
        arr = [],
        pop = arr.pop,
        pushNative = arr.push,
        push = arr.push,
        slice = arr.slice,
        // Use a stripped-down indexOf as it's faster than native
    // https://jsperf.com/thor-indexof-vs-for/5
    indexOf = function (list, elem) {
      var i = 0,
          len = list.length;

      for (; i < len; i++) {
        if (list[i] === elem) {
          return i;
        }
      }

      return -1;
    },
        booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|" + "ismap|loop|multiple|open|readonly|required|scoped",
        // Regular expressions
    // http://www.w3.org/TR/css3-selectors/#whitespace
    whitespace = "[\\x20\\t\\r\\n\\f]",
        // https://www.w3.org/TR/css-syntax-3/#ident-token-diagram
    identifier = "(?:\\\\[\\da-fA-F]{1,6}" + whitespace + "?|\\\\[^\\r\\n\\f]|[\\w-]|[^\0-\\x7f])+",
        // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
    attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace + // Operator (capture 2)
    "*([*^$|!~]?=)" + whitespace + // "Attribute values must be CSS identifiers [capture 5]
    // or strings [capture 3 or capture 4]"
    "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace + "*\\]",
        pseudos = ":(" + identifier + ")(?:\\((" + // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
    // 1. quoted (capture 3; capture 4 or capture 5)
    "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" + // 2. simple (capture 6)
    "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" + // 3. anything else (capture 2)
    ".*" + ")\\)|)",
        // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
    rwhitespace = new RegExp(whitespace + "+", "g"),
        rtrim = new RegExp("^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g"),
        rcomma = new RegExp("^" + whitespace + "*," + whitespace + "*"),
        rcombinators = new RegExp("^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*"),
        rdescend = new RegExp(whitespace + "|>"),
        rpseudo = new RegExp(pseudos),
        ridentifier = new RegExp("^" + identifier + "$"),
        matchExpr = {
      "ID": new RegExp("^#(" + identifier + ")"),
      "CLASS": new RegExp("^\\.(" + identifier + ")"),
      "TAG": new RegExp("^(" + identifier + "|[*])"),
      "ATTR": new RegExp("^" + attributes),
      "PSEUDO": new RegExp("^" + pseudos),
      "CHILD": new RegExp("^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace + "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace + "*(\\d+)|))" + whitespace + "*\\)|)", "i"),
      "bool": new RegExp("^(?:" + booleans + ")$", "i"),
      // For use in libraries implementing .is()
      // We use this for POS matching in `select`
      "needsContext": new RegExp("^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i")
    },
        rhtml = /HTML$/i,
        rinputs = /^(?:input|select|textarea|button)$/i,
        rheader = /^h\d$/i,
        rnative = /^[^{]+\{\s*\[native \w/,
        // Easily-parseable/retrievable ID or TAG or CLASS selectors
    rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
        rsibling = /[+~]/,
        // CSS escapes
    // http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
    runescape = new RegExp("\\\\[\\da-fA-F]{1,6}" + whitespace + "?|\\\\([^\\r\\n\\f])", "g"),
        funescape = function (escape, nonHex) {
      var high = "0x" + escape.slice(1) - 0x10000;
      return nonHex ? // Strip the backslash prefix from a non-hex escape sequence
      nonHex : // Replace a hexadecimal escape sequence with the encoded Unicode code point
      // Support: IE <=11+
      // For values outside the Basic Multilingual Plane (BMP), manually construct a
      // surrogate pair
      high < 0 ? String.fromCharCode(high + 0x10000) : String.fromCharCode(high >> 10 | 0xD800, high & 0x3FF | 0xDC00);
    },
        // CSS string/identifier serialization
    // https://drafts.csswg.org/cssom/#common-serializing-idioms
    rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g,
        fcssescape = function (ch, asCodePoint) {
      if (asCodePoint) {
        // U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
        if (ch === "\0") {
          return "\uFFFD";
        } // Control characters and (dependent upon position) numbers get escaped as code points


        return ch.slice(0, -1) + "\\" + ch.charCodeAt(ch.length - 1).toString(16) + " ";
      } // Other potentially-special ASCII characters get backslash-escaped


      return "\\" + ch;
    },
        // Used for iframes
    // See setDocument()
    // Removing the function wrapper causes a "Permission Denied"
    // error in IE
    unloadHandler = function () {
      setDocument();
    },
        inDisabledFieldset = addCombinator(function (elem) {
      return elem.disabled === true && elem.nodeName.toLowerCase() === "fieldset";
    }, {
      dir: "parentNode",
      next: "legend"
    }); // Optimize for push.apply( _, NodeList )


    try {
      push.apply(arr = slice.call(preferredDoc.childNodes), preferredDoc.childNodes); // Support: Android<4.0
      // Detect silently failing push.apply
      // eslint-disable-next-line no-unused-expressions

      arr[preferredDoc.childNodes.length].nodeType;
    } catch (e) {
      push = {
        apply: arr.length ? // Leverage slice if possible
        function (target, els) {
          pushNative.apply(target, slice.call(els));
        } : // Support: IE<9
        // Otherwise append directly
        function (target, els) {
          var j = target.length,
              i = 0; // Can't trust NodeList.length

          while (target[j++] = els[i++]) {}

          target.length = j - 1;
        }
      };
    }

    function Sizzle(selector, context, results, seed) {
      var m,
          i,
          elem,
          nid,
          match,
          groups,
          newSelector,
          newContext = context && context.ownerDocument,
          // nodeType defaults to 9, since context defaults to document
      nodeType = context ? context.nodeType : 9;
      results = results || []; // Return early from calls with invalid selector or context

      if (typeof selector !== "string" || !selector || nodeType !== 1 && nodeType !== 9 && nodeType !== 11) {
        return results;
      } // Try to shortcut find operations (as opposed to filters) in HTML documents


      if (!seed) {
        setDocument(context);
        context = context || document;

        if (documentIsHTML) {
          // If the selector is sufficiently simple, try using a "get*By*" DOM method
          // (excepting DocumentFragment context, where the methods don't exist)
          if (nodeType !== 11 && (match = rquickExpr.exec(selector))) {
            // ID selector
            if (m = match[1]) {
              // Document context
              if (nodeType === 9) {
                if (elem = context.getElementById(m)) {
                  // Support: IE, Opera, Webkit
                  // TODO: identify versions
                  // getElementById can match elements by name instead of ID
                  if (elem.id === m) {
                    results.push(elem);
                    return results;
                  }
                } else {
                  return results;
                } // Element context

              } else {
                // Support: IE, Opera, Webkit
                // TODO: identify versions
                // getElementById can match elements by name instead of ID
                if (newContext && (elem = newContext.getElementById(m)) && contains(context, elem) && elem.id === m) {
                  results.push(elem);
                  return results;
                }
              } // Type selector

            } else if (match[2]) {
              push.apply(results, context.getElementsByTagName(selector));
              return results; // Class selector
            } else if ((m = match[3]) && support.getElementsByClassName && context.getElementsByClassName) {
              push.apply(results, context.getElementsByClassName(m));
              return results;
            }
          } // Take advantage of querySelectorAll


          if (support.qsa && !nonnativeSelectorCache[selector + " "] && (!rbuggyQSA || !rbuggyQSA.test(selector)) && ( // Support: IE 8 only
          // Exclude object elements
          nodeType !== 1 || context.nodeName.toLowerCase() !== "object")) {
            newSelector = selector;
            newContext = context; // qSA considers elements outside a scoping root when evaluating child or
            // descendant combinators, which is not what we want.
            // In such cases, we work around the behavior by prefixing every selector in the
            // list with an ID selector referencing the scope context.
            // The technique has to be used as well when a leading combinator is used
            // as such selectors are not recognized by querySelectorAll.
            // Thanks to Andrew Dupont for this technique.

            if (nodeType === 1 && (rdescend.test(selector) || rcombinators.test(selector))) {
              // Expand context for sibling selectors
              newContext = rsibling.test(selector) && testContext(context.parentNode) || context; // We can use :scope instead of the ID hack if the browser
              // supports it & if we're not changing the context.

              if (newContext !== context || !support.scope) {
                // Capture the context ID, setting it first if necessary
                if (nid = context.getAttribute("id")) {
                  nid = nid.replace(rcssescape, fcssescape);
                } else {
                  context.setAttribute("id", nid = expando);
                }
              } // Prefix every selector in the list


              groups = tokenize(selector);
              i = groups.length;

              while (i--) {
                groups[i] = (nid ? "#" + nid : ":scope") + " " + toSelector(groups[i]);
              }

              newSelector = groups.join(",");
            }

            try {
              push.apply(results, newContext.querySelectorAll(newSelector));
              return results;
            } catch (qsaError) {
              nonnativeSelectorCache(selector, true);
            } finally {
              if (nid === expando) {
                context.removeAttribute("id");
              }
            }
          }
        }
      } // All others


      return select(selector.replace(rtrim, "$1"), context, results, seed);
    }
    /**
     * Create key-value caches of limited size
     * @returns {function(string, object)} Returns the Object data after storing it on itself with
     *	property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
     *	deleting the oldest entry
     */


    function createCache() {
      var keys = [];

      function cache(key, value) {
        // Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
        if (keys.push(key + " ") > Expr.cacheLength) {
          // Only keep the most recent entries
          delete cache[keys.shift()];
        }

        return cache[key + " "] = value;
      }

      return cache;
    }
    /**
     * Mark a function for special use by Sizzle
     * @param {Function} fn The function to mark
     */


    function markFunction(fn) {
      fn[expando] = true;
      return fn;
    }
    /**
     * Support testing using an element
     * @param {Function} fn Passed the created element and returns a boolean result
     */


    function assert(fn) {
      var el = document.createElement("fieldset");

      try {
        return !!fn(el);
      } catch (e) {
        return false;
      } finally {
        // Remove from its parent by default
        if (el.parentNode) {
          el.parentNode.removeChild(el);
        } // release memory in IE


        el = null;
      }
    }
    /**
     * Adds the same handler for all of the specified attrs
     * @param {String} attrs Pipe-separated list of attributes
     * @param {Function} handler The method that will be applied
     */


    function addHandle(attrs, handler) {
      var arr = attrs.split("|"),
          i = arr.length;

      while (i--) {
        Expr.attrHandle[arr[i]] = handler;
      }
    }
    /**
     * Checks document order of two siblings
     * @param {Element} a
     * @param {Element} b
     * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
     */


    function siblingCheck(a, b) {
      var cur = b && a,
          diff = cur && a.nodeType === 1 && b.nodeType === 1 && a.sourceIndex - b.sourceIndex; // Use IE sourceIndex if available on both nodes

      if (diff) {
        return diff;
      } // Check if b follows a


      if (cur) {
        while (cur = cur.nextSibling) {
          if (cur === b) {
            return -1;
          }
        }
      }

      return a ? 1 : -1;
    }
    /**
     * Returns a function to use in pseudos for input types
     * @param {String} type
     */


    function createInputPseudo(type) {
      return function (elem) {
        var name = elem.nodeName.toLowerCase();
        return name === "input" && elem.type === type;
      };
    }
    /**
     * Returns a function to use in pseudos for buttons
     * @param {String} type
     */


    function createButtonPseudo(type) {
      return function (elem) {
        var name = elem.nodeName.toLowerCase();
        return (name === "input" || name === "button") && elem.type === type;
      };
    }
    /**
     * Returns a function to use in pseudos for :enabled/:disabled
     * @param {Boolean} disabled true for :disabled; false for :enabled
     */


    function createDisabledPseudo(disabled) {
      // Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable
      return function (elem) {
        // Only certain elements can match :enabled or :disabled
        // https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled
        // https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled
        if ("form" in elem) {
          // Check for inherited disabledness on relevant non-disabled elements:
          // * listed form-associated elements in a disabled fieldset
          //   https://html.spec.whatwg.org/multipage/forms.html#category-listed
          //   https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled
          // * option elements in a disabled optgroup
          //   https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled
          // All such elements have a "form" property.
          if (elem.parentNode && elem.disabled === false) {
            // Option elements defer to a parent optgroup if present
            if ("label" in elem) {
              if ("label" in elem.parentNode) {
                return elem.parentNode.disabled === disabled;
              } else {
                return elem.disabled === disabled;
              }
            } // Support: IE 6 - 11
            // Use the isDisabled shortcut property to check for disabled fieldset ancestors


            return elem.isDisabled === disabled || // Where there is no isDisabled, check manually

            /* jshint -W018 */
            elem.isDisabled !== !disabled && inDisabledFieldset(elem) === disabled;
          }

          return elem.disabled === disabled; // Try to winnow out elements that can't be disabled before trusting the disabled property.
          // Some victims get caught in our net (label, legend, menu, track), but it shouldn't
          // even exist on them, let alone have a boolean value.
        } else if ("label" in elem) {
          return elem.disabled === disabled;
        } // Remaining elements are neither :enabled nor :disabled


        return false;
      };
    }
    /**
     * Returns a function to use in pseudos for positionals
     * @param {Function} fn
     */


    function createPositionalPseudo(fn) {
      return markFunction(function (argument) {
        argument = +argument;
        return markFunction(function (seed, matches) {
          var j,
              matchIndexes = fn([], seed.length, argument),
              i = matchIndexes.length; // Match elements found at the specified indexes

          while (i--) {
            if (seed[j = matchIndexes[i]]) {
              seed[j] = !(matches[j] = seed[j]);
            }
          }
        });
      });
    }
    /**
     * Checks a node for validity as a Sizzle context
     * @param {Element|Object=} context
     * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
     */


    function testContext(context) {
      return context && typeof context.getElementsByTagName !== "undefined" && context;
    } // Expose support vars for convenience


    support = Sizzle.support = {};
    /**
     * Detects XML nodes
     * @param {Element|Object} elem An element or a document
     * @returns {Boolean} True iff elem is a non-HTML XML node
     */

    isXML = Sizzle.isXML = function (elem) {
      var namespace = elem && elem.namespaceURI,
          docElem = elem && (elem.ownerDocument || elem).documentElement; // Support: IE <=8
      // Assume HTML when documentElement doesn't yet exist, such as inside loading iframes
      // https://bugs.jquery.com/ticket/4833

      return !rhtml.test(namespace || docElem && docElem.nodeName || "HTML");
    };
    /**
     * Sets document-related variables once based on the current document
     * @param {Element|Object} [doc] An element or document object to use to set the document
     * @returns {Object} Returns the current document
     */


    setDocument = Sizzle.setDocument = function (node) {
      var hasCompare,
          subWindow,
          doc = node ? node.ownerDocument || node : preferredDoc; // Return early if doc is invalid or already selected
      // Support: IE 11+, Edge 17 - 18+
      // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
      // two documents; shallow comparisons work.
      // eslint-disable-next-line eqeqeq

      if (doc == document || doc.nodeType !== 9 || !doc.documentElement) {
        return document;
      } // Update global variables


      document = doc;
      docElem = document.documentElement;
      documentIsHTML = !isXML(document); // Support: IE 9 - 11+, Edge 12 - 18+
      // Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936)
      // Support: IE 11+, Edge 17 - 18+
      // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
      // two documents; shallow comparisons work.
      // eslint-disable-next-line eqeqeq

      if (preferredDoc != document && (subWindow = document.defaultView) && subWindow.top !== subWindow) {
        // Support: IE 11, Edge
        if (subWindow.addEventListener) {
          subWindow.addEventListener("unload", unloadHandler, false); // Support: IE 9 - 10 only
        } else if (subWindow.attachEvent) {
          subWindow.attachEvent("onunload", unloadHandler);
        }
      } // Support: IE 8 - 11+, Edge 12 - 18+, Chrome <=16 - 25 only, Firefox <=3.6 - 31 only,
      // Safari 4 - 5 only, Opera <=11.6 - 12.x only
      // IE/Edge & older browsers don't support the :scope pseudo-class.
      // Support: Safari 6.0 only
      // Safari 6.0 supports :scope but it's an alias of :root there.


      support.scope = assert(function (el) {
        docElem.appendChild(el).appendChild(document.createElement("div"));
        return typeof el.querySelectorAll !== "undefined" && !el.querySelectorAll(":scope fieldset div").length;
      });
      /* Attributes
      ---------------------------------------------------------------------- */
      // Support: IE<8
      // Verify that getAttribute really returns attributes and not properties
      // (excepting IE8 booleans)

      support.attributes = assert(function (el) {
        el.className = "i";
        return !el.getAttribute("className");
      });
      /* getElement(s)By*
      ---------------------------------------------------------------------- */
      // Check if getElementsByTagName("*") returns only elements

      support.getElementsByTagName = assert(function (el) {
        el.appendChild(document.createComment(""));
        return !el.getElementsByTagName("*").length;
      }); // Support: IE<9

      support.getElementsByClassName = rnative.test(document.getElementsByClassName); // Support: IE<10
      // Check if getElementById returns elements by name
      // The broken getElementById methods don't pick up programmatically-set names,
      // so use a roundabout getElementsByName test

      support.getById = assert(function (el) {
        docElem.appendChild(el).id = expando;
        return !document.getElementsByName || !document.getElementsByName(expando).length;
      }); // ID filter and find

      if (support.getById) {
        Expr.filter["ID"] = function (id) {
          var attrId = id.replace(runescape, funescape);
          return function (elem) {
            return elem.getAttribute("id") === attrId;
          };
        };

        Expr.find["ID"] = function (id, context) {
          if (typeof context.getElementById !== "undefined" && documentIsHTML) {
            var elem = context.getElementById(id);
            return elem ? [elem] : [];
          }
        };
      } else {
        Expr.filter["ID"] = function (id) {
          var attrId = id.replace(runescape, funescape);
          return function (elem) {
            var node = typeof elem.getAttributeNode !== "undefined" && elem.getAttributeNode("id");
            return node && node.value === attrId;
          };
        }; // Support: IE 6 - 7 only
        // getElementById is not reliable as a find shortcut


        Expr.find["ID"] = function (id, context) {
          if (typeof context.getElementById !== "undefined" && documentIsHTML) {
            var node,
                i,
                elems,
                elem = context.getElementById(id);

            if (elem) {
              // Verify the id attribute
              node = elem.getAttributeNode("id");

              if (node && node.value === id) {
                return [elem];
              } // Fall back on getElementsByName


              elems = context.getElementsByName(id);
              i = 0;

              while (elem = elems[i++]) {
                node = elem.getAttributeNode("id");

                if (node && node.value === id) {
                  return [elem];
                }
              }
            }

            return [];
          }
        };
      } // Tag


      Expr.find["TAG"] = support.getElementsByTagName ? function (tag, context) {
        if (typeof context.getElementsByTagName !== "undefined") {
          return context.getElementsByTagName(tag); // DocumentFragment nodes don't have gEBTN
        } else if (support.qsa) {
          return context.querySelectorAll(tag);
        }
      } : function (tag, context) {
        var elem,
            tmp = [],
            i = 0,
            // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too
        results = context.getElementsByTagName(tag); // Filter out possible comments

        if (tag === "*") {
          while (elem = results[i++]) {
            if (elem.nodeType === 1) {
              tmp.push(elem);
            }
          }

          return tmp;
        }

        return results;
      }; // Class

      Expr.find["CLASS"] = support.getElementsByClassName && function (className, context) {
        if (typeof context.getElementsByClassName !== "undefined" && documentIsHTML) {
          return context.getElementsByClassName(className);
        }
      };
      /* QSA/matchesSelector
      ---------------------------------------------------------------------- */
      // QSA and matchesSelector support
      // matchesSelector(:active) reports false when true (IE9/Opera 11.5)


      rbuggyMatches = []; // qSa(:focus) reports false when true (Chrome 21)
      // We allow this because of a bug in IE8/9 that throws an error
      // whenever `document.activeElement` is accessed on an iframe
      // So, we allow :focus to pass through QSA all the time to avoid the IE error
      // See https://bugs.jquery.com/ticket/13378

      rbuggyQSA = [];

      if (support.qsa = rnative.test(document.querySelectorAll)) {
        // Build QSA regex
        // Regex strategy adopted from Diego Perini
        assert(function (el) {
          var input; // Select is set to empty string on purpose
          // This is to test IE's treatment of not explicitly
          // setting a boolean content attribute,
          // since its presence should be enough
          // https://bugs.jquery.com/ticket/12359

          docElem.appendChild(el).innerHTML = "<a id='" + expando + "'></a>" + "<select id='" + expando + "-\r\\' msallowcapture=''>" + "<option selected=''></option></select>"; // Support: IE8, Opera 11-12.16
          // Nothing should be selected when empty strings follow ^= or $= or *=
          // The test attribute must be unknown in Opera but "safe" for WinRT
          // https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section

          if (el.querySelectorAll("[msallowcapture^='']").length) {
            rbuggyQSA.push("[*^$]=" + whitespace + "*(?:''|\"\")");
          } // Support: IE8
          // Boolean attributes and "value" are not treated correctly


          if (!el.querySelectorAll("[selected]").length) {
            rbuggyQSA.push("\\[" + whitespace + "*(?:value|" + booleans + ")");
          } // Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+


          if (!el.querySelectorAll("[id~=" + expando + "-]").length) {
            rbuggyQSA.push("~=");
          } // Support: IE 11+, Edge 15 - 18+
          // IE 11/Edge don't find elements on a `[name='']` query in some cases.
          // Adding a temporary attribute to the document before the selection works
          // around the issue.
          // Interestingly, IE 10 & older don't seem to have the issue.


          input = document.createElement("input");
          input.setAttribute("name", "");
          el.appendChild(input);

          if (!el.querySelectorAll("[name='']").length) {
            rbuggyQSA.push("\\[" + whitespace + "*name" + whitespace + "*=" + whitespace + "*(?:''|\"\")");
          } // Webkit/Opera - :checked should return selected option elements
          // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
          // IE8 throws error here and will not see later tests


          if (!el.querySelectorAll(":checked").length) {
            rbuggyQSA.push(":checked");
          } // Support: Safari 8+, iOS 8+
          // https://bugs.webkit.org/show_bug.cgi?id=136851
          // In-page `selector#id sibling-combinator selector` fails


          if (!el.querySelectorAll("a#" + expando + "+*").length) {
            rbuggyQSA.push(".#.+[+~]");
          } // Support: Firefox <=3.6 - 5 only
          // Old Firefox doesn't throw on a badly-escaped identifier.


          el.querySelectorAll("\\\f");
          rbuggyQSA.push("[\\r\\n\\f]");
        });
        assert(function (el) {
          el.innerHTML = "<a href='' disabled='disabled'></a>" + "<select disabled='disabled'><option/></select>"; // Support: Windows 8 Native Apps
          // The type and name attributes are restricted during .innerHTML assignment

          var input = document.createElement("input");
          input.setAttribute("type", "hidden");
          el.appendChild(input).setAttribute("name", "D"); // Support: IE8
          // Enforce case-sensitivity of name attribute

          if (el.querySelectorAll("[name=d]").length) {
            rbuggyQSA.push("name" + whitespace + "*[*^$|!~]?=");
          } // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
          // IE8 throws error here and will not see later tests


          if (el.querySelectorAll(":enabled").length !== 2) {
            rbuggyQSA.push(":enabled", ":disabled");
          } // Support: IE9-11+
          // IE's :disabled selector does not pick up the children of disabled fieldsets


          docElem.appendChild(el).disabled = true;

          if (el.querySelectorAll(":disabled").length !== 2) {
            rbuggyQSA.push(":enabled", ":disabled");
          } // Support: Opera 10 - 11 only
          // Opera 10-11 does not throw on post-comma invalid pseudos


          el.querySelectorAll("*,:x");
          rbuggyQSA.push(",.*:");
        });
      }

      if (support.matchesSelector = rnative.test(matches = docElem.matches || docElem.webkitMatchesSelector || docElem.mozMatchesSelector || docElem.oMatchesSelector || docElem.msMatchesSelector)) {
        assert(function (el) {
          // Check to see if it's possible to do matchesSelector
          // on a disconnected node (IE 9)
          support.disconnectedMatch = matches.call(el, "*"); // This should fail with an exception
          // Gecko does not error, returns false instead

          matches.call(el, "[s!='']:x");
          rbuggyMatches.push("!=", pseudos);
        });
      }

      rbuggyQSA = rbuggyQSA.length && new RegExp(rbuggyQSA.join("|"));
      rbuggyMatches = rbuggyMatches.length && new RegExp(rbuggyMatches.join("|"));
      /* Contains
      ---------------------------------------------------------------------- */

      hasCompare = rnative.test(docElem.compareDocumentPosition); // Element contains another
      // Purposefully self-exclusive
      // As in, an element does not contain itself

      contains = hasCompare || rnative.test(docElem.contains) ? function (a, b) {
        var adown = a.nodeType === 9 ? a.documentElement : a,
            bup = b && b.parentNode;
        return a === bup || !!(bup && bup.nodeType === 1 && (adown.contains ? adown.contains(bup) : a.compareDocumentPosition && a.compareDocumentPosition(bup) & 16));
      } : function (a, b) {
        if (b) {
          while (b = b.parentNode) {
            if (b === a) {
              return true;
            }
          }
        }

        return false;
      };
      /* Sorting
      ---------------------------------------------------------------------- */
      // Document order sorting

      sortOrder = hasCompare ? function (a, b) {
        // Flag for duplicate removal
        if (a === b) {
          hasDuplicate = true;
          return 0;
        } // Sort on method existence if only one input has compareDocumentPosition


        var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;

        if (compare) {
          return compare;
        } // Calculate position if both inputs belong to the same document
        // Support: IE 11+, Edge 17 - 18+
        // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
        // two documents; shallow comparisons work.
        // eslint-disable-next-line eqeqeq


        compare = (a.ownerDocument || a) == (b.ownerDocument || b) ? a.compareDocumentPosition(b) : // Otherwise we know they are disconnected
        1; // Disconnected nodes

        if (compare & 1 || !support.sortDetached && b.compareDocumentPosition(a) === compare) {
          // Choose the first element that is related to our preferred document
          // Support: IE 11+, Edge 17 - 18+
          // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
          // two documents; shallow comparisons work.
          // eslint-disable-next-line eqeqeq
          if (a == document || a.ownerDocument == preferredDoc && contains(preferredDoc, a)) {
            return -1;
          } // Support: IE 11+, Edge 17 - 18+
          // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
          // two documents; shallow comparisons work.
          // eslint-disable-next-line eqeqeq


          if (b == document || b.ownerDocument == preferredDoc && contains(preferredDoc, b)) {
            return 1;
          } // Maintain original order


          return sortInput ? indexOf(sortInput, a) - indexOf(sortInput, b) : 0;
        }

        return compare & 4 ? -1 : 1;
      } : function (a, b) {
        // Exit early if the nodes are identical
        if (a === b) {
          hasDuplicate = true;
          return 0;
        }

        var cur,
            i = 0,
            aup = a.parentNode,
            bup = b.parentNode,
            ap = [a],
            bp = [b]; // Parentless nodes are either documents or disconnected

        if (!aup || !bup) {
          // Support: IE 11+, Edge 17 - 18+
          // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
          // two documents; shallow comparisons work.

          /* eslint-disable eqeqeq */
          return a == document ? -1 : b == document ? 1 :
          /* eslint-enable eqeqeq */
          aup ? -1 : bup ? 1 : sortInput ? indexOf(sortInput, a) - indexOf(sortInput, b) : 0; // If the nodes are siblings, we can do a quick check
        } else if (aup === bup) {
          return siblingCheck(a, b);
        } // Otherwise we need full lists of their ancestors for comparison


        cur = a;

        while (cur = cur.parentNode) {
          ap.unshift(cur);
        }

        cur = b;

        while (cur = cur.parentNode) {
          bp.unshift(cur);
        } // Walk down the tree looking for a discrepancy


        while (ap[i] === bp[i]) {
          i++;
        }

        return i ? // Do a sibling check if the nodes have a common ancestor
        siblingCheck(ap[i], bp[i]) : // Otherwise nodes in our document sort first
        // Support: IE 11+, Edge 17 - 18+
        // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
        // two documents; shallow comparisons work.

        /* eslint-disable eqeqeq */
        ap[i] == preferredDoc ? -1 : bp[i] == preferredDoc ? 1 :
        /* eslint-enable eqeqeq */
        0;
      };
      return document;
    };

    Sizzle.matches = function (expr, elements) {
      return Sizzle(expr, null, null, elements);
    };

    Sizzle.matchesSelector = function (elem, expr) {
      setDocument(elem);

      if (support.matchesSelector && documentIsHTML && !nonnativeSelectorCache[expr + " "] && (!rbuggyMatches || !rbuggyMatches.test(expr)) && (!rbuggyQSA || !rbuggyQSA.test(expr))) {
        try {
          var ret = matches.call(elem, expr); // IE 9's matchesSelector returns false on disconnected nodes

          if (ret || support.disconnectedMatch || // As well, disconnected nodes are said to be in a document
          // fragment in IE 9
          elem.document && elem.document.nodeType !== 11) {
            return ret;
          }
        } catch (e) {
          nonnativeSelectorCache(expr, true);
        }
      }

      return Sizzle(expr, document, null, [elem]).length > 0;
    };

    Sizzle.contains = function (context, elem) {
      // Set document vars if needed
      // Support: IE 11+, Edge 17 - 18+
      // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
      // two documents; shallow comparisons work.
      // eslint-disable-next-line eqeqeq
      if ((context.ownerDocument || context) != document) {
        setDocument(context);
      }

      return contains(context, elem);
    };

    Sizzle.attr = function (elem, name) {
      // Set document vars if needed
      // Support: IE 11+, Edge 17 - 18+
      // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
      // two documents; shallow comparisons work.
      // eslint-disable-next-line eqeqeq
      if ((elem.ownerDocument || elem) != document) {
        setDocument(elem);
      }

      var fn = Expr.attrHandle[name.toLowerCase()],
          // Don't get fooled by Object.prototype properties (jQuery #13807)
      val = fn && hasOwn.call(Expr.attrHandle, name.toLowerCase()) ? fn(elem, name, !documentIsHTML) : undefined;
      return val !== undefined ? val : support.attributes || !documentIsHTML ? elem.getAttribute(name) : (val = elem.getAttributeNode(name)) && val.specified ? val.value : null;
    };

    Sizzle.escape = function (sel) {
      return (sel + "").replace(rcssescape, fcssescape);
    };

    Sizzle.error = function (msg) {
      throw new Error("Syntax error, unrecognized expression: " + msg);
    };
    /**
     * Document sorting and removing duplicates
     * @param {ArrayLike} results
     */


    Sizzle.uniqueSort = function (results) {
      var elem,
          duplicates = [],
          j = 0,
          i = 0; // Unless we *know* we can detect duplicates, assume their presence

      hasDuplicate = !support.detectDuplicates;
      sortInput = !support.sortStable && results.slice(0);
      results.sort(sortOrder);

      if (hasDuplicate) {
        while (elem = results[i++]) {
          if (elem === results[i]) {
            j = duplicates.push(i);
          }
        }

        while (j--) {
          results.splice(duplicates[j], 1);
        }
      } // Clear input after sorting to release objects
      // See https://github.com/jquery/sizzle/pull/225


      sortInput = null;
      return results;
    };
    /**
     * Utility function for retrieving the text value of an array of DOM nodes
     * @param {Array|Element} elem
     */


    getText = Sizzle.getText = function (elem) {
      var node,
          ret = "",
          i = 0,
          nodeType = elem.nodeType;

      if (!nodeType) {
        // If no nodeType, this is expected to be an array
        while (node = elem[i++]) {
          // Do not traverse comment nodes
          ret += getText(node);
        }
      } else if (nodeType === 1 || nodeType === 9 || nodeType === 11) {
        // Use textContent for elements
        // innerText usage removed for consistency of new lines (jQuery #11153)
        if (typeof elem.textContent === "string") {
          return elem.textContent;
        } else {
          // Traverse its children
          for (elem = elem.firstChild; elem; elem = elem.nextSibling) {
            ret += getText(elem);
          }
        }
      } else if (nodeType === 3 || nodeType === 4) {
        return elem.nodeValue;
      } // Do not include comment or processing instruction nodes


      return ret;
    };

    Expr = Sizzle.selectors = {
      // Can be adjusted by the user
      cacheLength: 50,
      createPseudo: markFunction,
      match: matchExpr,
      attrHandle: {},
      find: {},
      relative: {
        ">": {
          dir: "parentNode",
          first: true
        },
        " ": {
          dir: "parentNode"
        },
        "+": {
          dir: "previousSibling",
          first: true
        },
        "~": {
          dir: "previousSibling"
        }
      },
      preFilter: {
        "ATTR": function (match) {
          match[1] = match[1].replace(runescape, funescape); // Move the given value to match[3] whether quoted or unquoted

          match[3] = (match[3] || match[4] || match[5] || "").replace(runescape, funescape);

          if (match[2] === "~=") {
            match[3] = " " + match[3] + " ";
          }

          return match.slice(0, 4);
        },
        "CHILD": function (match) {
          /* matches from matchExpr["CHILD"]
          	1 type (only|nth|...)
          	2 what (child|of-type)
          	3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
          	4 xn-component of xn+y argument ([+-]?\d*n|)
          	5 sign of xn-component
          	6 x of xn-component
          	7 sign of y-component
          	8 y of y-component
          */
          match[1] = match[1].toLowerCase();

          if (match[1].slice(0, 3) === "nth") {
            // nth-* requires argument
            if (!match[3]) {
              Sizzle.error(match[0]);
            } // numeric x and y parameters for Expr.filter.CHILD
            // remember that false/true cast respectively to 0/1


            match[4] = +(match[4] ? match[5] + (match[6] || 1) : 2 * (match[3] === "even" || match[3] === "odd"));
            match[5] = +(match[7] + match[8] || match[3] === "odd"); // other types prohibit arguments
          } else if (match[3]) {
            Sizzle.error(match[0]);
          }

          return match;
        },
        "PSEUDO": function (match) {
          var excess,
              unquoted = !match[6] && match[2];

          if (matchExpr["CHILD"].test(match[0])) {
            return null;
          } // Accept quoted arguments as-is


          if (match[3]) {
            match[2] = match[4] || match[5] || ""; // Strip excess characters from unquoted arguments
          } else if (unquoted && rpseudo.test(unquoted) && ( // Get excess from tokenize (recursively)
          excess = tokenize(unquoted, true)) && ( // advance to the next closing parenthesis
          excess = unquoted.indexOf(")", unquoted.length - excess) - unquoted.length)) {
            // excess is a negative index
            match[0] = match[0].slice(0, excess);
            match[2] = unquoted.slice(0, excess);
          } // Return only captures needed by the pseudo filter method (type and argument)


          return match.slice(0, 3);
        }
      },
      filter: {
        "TAG": function (nodeNameSelector) {
          var nodeName = nodeNameSelector.replace(runescape, funescape).toLowerCase();
          return nodeNameSelector === "*" ? function () {
            return true;
          } : function (elem) {
            return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
          };
        },
        "CLASS": function (className) {
          var pattern = classCache[className + " "];
          return pattern || (pattern = new RegExp("(^|" + whitespace + ")" + className + "(" + whitespace + "|$)")) && classCache(className, function (elem) {
            return pattern.test(typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && elem.getAttribute("class") || "");
          });
        },
        "ATTR": function (name, operator, check) {
          return function (elem) {
            var result = Sizzle.attr(elem, name);

            if (result == null) {
              return operator === "!=";
            }

            if (!operator) {
              return true;
            }

            result += "";
            /* eslint-disable max-len */

            return operator === "=" ? result === check : operator === "!=" ? result !== check : operator === "^=" ? check && result.indexOf(check) === 0 : operator === "*=" ? check && result.indexOf(check) > -1 : operator === "$=" ? check && result.slice(-check.length) === check : operator === "~=" ? (" " + result.replace(rwhitespace, " ") + " ").indexOf(check) > -1 : operator === "|=" ? result === check || result.slice(0, check.length + 1) === check + "-" : false;
            /* eslint-enable max-len */
          };
        },
        "CHILD": function (type, what, _argument, first, last) {
          var simple = type.slice(0, 3) !== "nth",
              forward = type.slice(-4) !== "last",
              ofType = what === "of-type";
          return first === 1 && last === 0 ? // Shortcut for :nth-*(n)
          function (elem) {
            return !!elem.parentNode;
          } : function (elem, _context, xml) {
            var cache,
                uniqueCache,
                outerCache,
                node,
                nodeIndex,
                start,
                dir = simple !== forward ? "nextSibling" : "previousSibling",
                parent = elem.parentNode,
                name = ofType && elem.nodeName.toLowerCase(),
                useCache = !xml && !ofType,
                diff = false;

            if (parent) {
              // :(first|last|only)-(child|of-type)
              if (simple) {
                while (dir) {
                  node = elem;

                  while (node = node[dir]) {
                    if (ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1) {
                      return false;
                    }
                  } // Reverse direction for :only-* (if we haven't yet done so)


                  start = dir = type === "only" && !start && "nextSibling";
                }

                return true;
              }

              start = [forward ? parent.firstChild : parent.lastChild]; // non-xml :nth-child(...) stores cache data on `parent`

              if (forward && useCache) {
                // Seek `elem` from a previously-cached index
                // ...in a gzip-friendly way
                node = parent;
                outerCache = node[expando] || (node[expando] = {}); // Support: IE <9 only
                // Defend against cloned attroperties (jQuery gh-1709)

                uniqueCache = outerCache[node.uniqueID] || (outerCache[node.uniqueID] = {});
                cache = uniqueCache[type] || [];
                nodeIndex = cache[0] === dirruns && cache[1];
                diff = nodeIndex && cache[2];
                node = nodeIndex && parent.childNodes[nodeIndex];

                while (node = ++nodeIndex && node && node[dir] || ( // Fallback to seeking `elem` from the start
                diff = nodeIndex = 0) || start.pop()) {
                  // When found, cache indexes on `parent` and break
                  if (node.nodeType === 1 && ++diff && node === elem) {
                    uniqueCache[type] = [dirruns, nodeIndex, diff];
                    break;
                  }
                }
              } else {
                // Use previously-cached element index if available
                if (useCache) {
                  // ...in a gzip-friendly way
                  node = elem;
                  outerCache = node[expando] || (node[expando] = {}); // Support: IE <9 only
                  // Defend against cloned attroperties (jQuery gh-1709)

                  uniqueCache = outerCache[node.uniqueID] || (outerCache[node.uniqueID] = {});
                  cache = uniqueCache[type] || [];
                  nodeIndex = cache[0] === dirruns && cache[1];
                  diff = nodeIndex;
                } // xml :nth-child(...)
                // or :nth-last-child(...) or :nth(-last)?-of-type(...)


                if (diff === false) {
                  // Use the same loop as above to seek `elem` from the start
                  while (node = ++nodeIndex && node && node[dir] || (diff = nodeIndex = 0) || start.pop()) {
                    if ((ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1) && ++diff) {
                      // Cache the index of each encountered element
                      if (useCache) {
                        outerCache = node[expando] || (node[expando] = {}); // Support: IE <9 only
                        // Defend against cloned attroperties (jQuery gh-1709)

                        uniqueCache = outerCache[node.uniqueID] || (outerCache[node.uniqueID] = {});
                        uniqueCache[type] = [dirruns, diff];
                      }

                      if (node === elem) {
                        break;
                      }
                    }
                  }
                }
              } // Incorporate the offset, then check against cycle size


              diff -= last;
              return diff === first || diff % first === 0 && diff / first >= 0;
            }
          };
        },
        "PSEUDO": function (pseudo, argument) {
          // pseudo-class names are case-insensitive
          // http://www.w3.org/TR/selectors/#pseudo-classes
          // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
          // Remember that setFilters inherits from pseudos
          var args,
              fn = Expr.pseudos[pseudo] || Expr.setFilters[pseudo.toLowerCase()] || Sizzle.error("unsupported pseudo: " + pseudo); // The user may use createPseudo to indicate that
          // arguments are needed to create the filter function
          // just as Sizzle does

          if (fn[expando]) {
            return fn(argument);
          } // But maintain support for old signatures


          if (fn.length > 1) {
            args = [pseudo, pseudo, "", argument];
            return Expr.setFilters.hasOwnProperty(pseudo.toLowerCase()) ? markFunction(function (seed, matches) {
              var idx,
                  matched = fn(seed, argument),
                  i = matched.length;

              while (i--) {
                idx = indexOf(seed, matched[i]);
                seed[idx] = !(matches[idx] = matched[i]);
              }
            }) : function (elem) {
              return fn(elem, 0, args);
            };
          }

          return fn;
        }
      },
      pseudos: {
        // Potentially complex pseudos
        "not": markFunction(function (selector) {
          // Trim the selector passed to compile
          // to avoid treating leading and trailing
          // spaces as combinators
          var input = [],
              results = [],
              matcher = compile(selector.replace(rtrim, "$1"));
          return matcher[expando] ? markFunction(function (seed, matches, _context, xml) {
            var elem,
                unmatched = matcher(seed, null, xml, []),
                i = seed.length; // Match elements unmatched by `matcher`

            while (i--) {
              if (elem = unmatched[i]) {
                seed[i] = !(matches[i] = elem);
              }
            }
          }) : function (elem, _context, xml) {
            input[0] = elem;
            matcher(input, null, xml, results); // Don't keep the element (issue #299)

            input[0] = null;
            return !results.pop();
          };
        }),
        "has": markFunction(function (selector) {
          return function (elem) {
            return Sizzle(selector, elem).length > 0;
          };
        }),
        "contains": markFunction(function (text) {
          text = text.replace(runescape, funescape);
          return function (elem) {
            return (elem.textContent || getText(elem)).indexOf(text) > -1;
          };
        }),
        // "Whether an element is represented by a :lang() selector
        // is based solely on the element's language value
        // being equal to the identifier C,
        // or beginning with the identifier C immediately followed by "-".
        // The matching of C against the element's language value is performed case-insensitively.
        // The identifier C does not have to be a valid language name."
        // http://www.w3.org/TR/selectors/#lang-pseudo
        "lang": markFunction(function (lang) {
          // lang value must be a valid identifier
          if (!ridentifier.test(lang || "")) {
            Sizzle.error("unsupported lang: " + lang);
          }

          lang = lang.replace(runescape, funescape).toLowerCase();
          return function (elem) {
            var elemLang;

            do {
              if (elemLang = documentIsHTML ? elem.lang : elem.getAttribute("xml:lang") || elem.getAttribute("lang")) {
                elemLang = elemLang.toLowerCase();
                return elemLang === lang || elemLang.indexOf(lang + "-") === 0;
              }
            } while ((elem = elem.parentNode) && elem.nodeType === 1);

            return false;
          };
        }),
        // Miscellaneous
        "target": function (elem) {
          var hash = window.location && window.location.hash;
          return hash && hash.slice(1) === elem.id;
        },
        "root": function (elem) {
          return elem === docElem;
        },
        "focus": function (elem) {
          return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
        },
        // Boolean properties
        "enabled": createDisabledPseudo(false),
        "disabled": createDisabledPseudo(true),
        "checked": function (elem) {
          // In CSS3, :checked should return both checked and selected elements
          // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
          var nodeName = elem.nodeName.toLowerCase();
          return nodeName === "input" && !!elem.checked || nodeName === "option" && !!elem.selected;
        },
        "selected": function (elem) {
          // Accessing this property makes selected-by-default
          // options in Safari work properly
          if (elem.parentNode) {
            // eslint-disable-next-line no-unused-expressions
            elem.parentNode.selectedIndex;
          }

          return elem.selected === true;
        },
        // Contents
        "empty": function (elem) {
          // http://www.w3.org/TR/selectors/#empty-pseudo
          // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
          //   but not by others (comment: 8; processing instruction: 7; etc.)
          // nodeType < 6 works because attributes (2) do not appear as children
          for (elem = elem.firstChild; elem; elem = elem.nextSibling) {
            if (elem.nodeType < 6) {
              return false;
            }
          }

          return true;
        },
        "parent": function (elem) {
          return !Expr.pseudos["empty"](elem);
        },
        // Element/input types
        "header": function (elem) {
          return rheader.test(elem.nodeName);
        },
        "input": function (elem) {
          return rinputs.test(elem.nodeName);
        },
        "button": function (elem) {
          var name = elem.nodeName.toLowerCase();
          return name === "input" && elem.type === "button" || name === "button";
        },
        "text": function (elem) {
          var attr;
          return elem.nodeName.toLowerCase() === "input" && elem.type === "text" && ( // Support: IE<8
          // New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
          (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text");
        },
        // Position-in-collection
        "first": createPositionalPseudo(function () {
          return [0];
        }),
        "last": createPositionalPseudo(function (_matchIndexes, length) {
          return [length - 1];
        }),
        "eq": createPositionalPseudo(function (_matchIndexes, length, argument) {
          return [argument < 0 ? argument + length : argument];
        }),
        "even": createPositionalPseudo(function (matchIndexes, length) {
          var i = 0;

          for (; i < length; i += 2) {
            matchIndexes.push(i);
          }

          return matchIndexes;
        }),
        "odd": createPositionalPseudo(function (matchIndexes, length) {
          var i = 1;

          for (; i < length; i += 2) {
            matchIndexes.push(i);
          }

          return matchIndexes;
        }),
        "lt": createPositionalPseudo(function (matchIndexes, length, argument) {
          var i = argument < 0 ? argument + length : argument > length ? length : argument;

          for (; --i >= 0;) {
            matchIndexes.push(i);
          }

          return matchIndexes;
        }),
        "gt": createPositionalPseudo(function (matchIndexes, length, argument) {
          var i = argument < 0 ? argument + length : argument;

          for (; ++i < length;) {
            matchIndexes.push(i);
          }

          return matchIndexes;
        })
      }
    };
    Expr.pseudos["nth"] = Expr.pseudos["eq"]; // Add button/input type pseudos

    for (i in {
      radio: true,
      checkbox: true,
      file: true,
      password: true,
      image: true
    }) {
      Expr.pseudos[i] = createInputPseudo(i);
    }

    for (i in {
      submit: true,
      reset: true
    }) {
      Expr.pseudos[i] = createButtonPseudo(i);
    } // Easy API for creating new setFilters


    function setFilters() {}

    setFilters.prototype = Expr.filters = Expr.pseudos;
    Expr.setFilters = new setFilters();

    tokenize = Sizzle.tokenize = function (selector, parseOnly) {
      var matched,
          match,
          tokens,
          type,
          soFar,
          groups,
          preFilters,
          cached = tokenCache[selector + " "];

      if (cached) {
        return parseOnly ? 0 : cached.slice(0);
      }

      soFar = selector;
      groups = [];
      preFilters = Expr.preFilter;

      while (soFar) {
        // Comma and first run
        if (!matched || (match = rcomma.exec(soFar))) {
          if (match) {
            // Don't consume trailing commas as valid
            soFar = soFar.slice(match[0].length) || soFar;
          }

          groups.push(tokens = []);
        }

        matched = false; // Combinators

        if (match = rcombinators.exec(soFar)) {
          matched = match.shift();
          tokens.push({
            value: matched,
            // Cast descendant combinators to space
            type: match[0].replace(rtrim, " ")
          });
          soFar = soFar.slice(matched.length);
        } // Filters


        for (type in Expr.filter) {
          if ((match = matchExpr[type].exec(soFar)) && (!preFilters[type] || (match = preFilters[type](match)))) {
            matched = match.shift();
            tokens.push({
              value: matched,
              type: type,
              matches: match
            });
            soFar = soFar.slice(matched.length);
          }
        }

        if (!matched) {
          break;
        }
      } // Return the length of the invalid excess
      // if we're just parsing
      // Otherwise, throw an error or return tokens


      return parseOnly ? soFar.length : soFar ? Sizzle.error(selector) : // Cache the tokens
      tokenCache(selector, groups).slice(0);
    };

    function toSelector(tokens) {
      var i = 0,
          len = tokens.length,
          selector = "";

      for (; i < len; i++) {
        selector += tokens[i].value;
      }

      return selector;
    }

    function addCombinator(matcher, combinator, base) {
      var dir = combinator.dir,
          skip = combinator.next,
          key = skip || dir,
          checkNonElements = base && key === "parentNode",
          doneName = done++;
      return combinator.first ? // Check against closest ancestor/preceding element
      function (elem, context, xml) {
        while (elem = elem[dir]) {
          if (elem.nodeType === 1 || checkNonElements) {
            return matcher(elem, context, xml);
          }
        }

        return false;
      } : // Check against all ancestor/preceding elements
      function (elem, context, xml) {
        var oldCache,
            uniqueCache,
            outerCache,
            newCache = [dirruns, doneName]; // We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching

        if (xml) {
          while (elem = elem[dir]) {
            if (elem.nodeType === 1 || checkNonElements) {
              if (matcher(elem, context, xml)) {
                return true;
              }
            }
          }
        } else {
          while (elem = elem[dir]) {
            if (elem.nodeType === 1 || checkNonElements) {
              outerCache = elem[expando] || (elem[expando] = {}); // Support: IE <9 only
              // Defend against cloned attroperties (jQuery gh-1709)

              uniqueCache = outerCache[elem.uniqueID] || (outerCache[elem.uniqueID] = {});

              if (skip && skip === elem.nodeName.toLowerCase()) {
                elem = elem[dir] || elem;
              } else if ((oldCache = uniqueCache[key]) && oldCache[0] === dirruns && oldCache[1] === doneName) {
                // Assign to newCache so results back-propagate to previous elements
                return newCache[2] = oldCache[2];
              } else {
                // Reuse newcache so results back-propagate to previous elements
                uniqueCache[key] = newCache; // A match means we're done; a fail means we have to keep checking

                if (newCache[2] = matcher(elem, context, xml)) {
                  return true;
                }
              }
            }
          }
        }

        return false;
      };
    }

    function elementMatcher(matchers) {
      return matchers.length > 1 ? function (elem, context, xml) {
        var i = matchers.length;

        while (i--) {
          if (!matchers[i](elem, context, xml)) {
            return false;
          }
        }

        return true;
      } : matchers[0];
    }

    function multipleContexts(selector, contexts, results) {
      var i = 0,
          len = contexts.length;

      for (; i < len; i++) {
        Sizzle(selector, contexts[i], results);
      }

      return results;
    }

    function condense(unmatched, map, filter, context, xml) {
      var elem,
          newUnmatched = [],
          i = 0,
          len = unmatched.length,
          mapped = map != null;

      for (; i < len; i++) {
        if (elem = unmatched[i]) {
          if (!filter || filter(elem, context, xml)) {
            newUnmatched.push(elem);

            if (mapped) {
              map.push(i);
            }
          }
        }
      }

      return newUnmatched;
    }

    function setMatcher(preFilter, selector, matcher, postFilter, postFinder, postSelector) {
      if (postFilter && !postFilter[expando]) {
        postFilter = setMatcher(postFilter);
      }

      if (postFinder && !postFinder[expando]) {
        postFinder = setMatcher(postFinder, postSelector);
      }

      return markFunction(function (seed, results, context, xml) {
        var temp,
            i,
            elem,
            preMap = [],
            postMap = [],
            preexisting = results.length,
            // Get initial elements from seed or context
        elems = seed || multipleContexts(selector || "*", context.nodeType ? [context] : context, []),
            // Prefilter to get matcher input, preserving a map for seed-results synchronization
        matcherIn = preFilter && (seed || !selector) ? condense(elems, preMap, preFilter, context, xml) : elems,
            matcherOut = matcher ? // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
        postFinder || (seed ? preFilter : preexisting || postFilter) ? // ...intermediate processing is necessary
        [] : // ...otherwise use results directly
        results : matcherIn; // Find primary matches

        if (matcher) {
          matcher(matcherIn, matcherOut, context, xml);
        } // Apply postFilter


        if (postFilter) {
          temp = condense(matcherOut, postMap);
          postFilter(temp, [], context, xml); // Un-match failing elements by moving them back to matcherIn

          i = temp.length;

          while (i--) {
            if (elem = temp[i]) {
              matcherOut[postMap[i]] = !(matcherIn[postMap[i]] = elem);
            }
          }
        }

        if (seed) {
          if (postFinder || preFilter) {
            if (postFinder) {
              // Get the final matcherOut by condensing this intermediate into postFinder contexts
              temp = [];
              i = matcherOut.length;

              while (i--) {
                if (elem = matcherOut[i]) {
                  // Restore matcherIn since elem is not yet a final match
                  temp.push(matcherIn[i] = elem);
                }
              }

              postFinder(null, matcherOut = [], temp, xml);
            } // Move matched elements from seed to results to keep them synchronized


            i = matcherOut.length;

            while (i--) {
              if ((elem = matcherOut[i]) && (temp = postFinder ? indexOf(seed, elem) : preMap[i]) > -1) {
                seed[temp] = !(results[temp] = elem);
              }
            }
          } // Add elements to results, through postFinder if defined

        } else {
          matcherOut = condense(matcherOut === results ? matcherOut.splice(preexisting, matcherOut.length) : matcherOut);

          if (postFinder) {
            postFinder(null, results, matcherOut, xml);
          } else {
            push.apply(results, matcherOut);
          }
        }
      });
    }

    function matcherFromTokens(tokens) {
      var checkContext,
          matcher,
          j,
          len = tokens.length,
          leadingRelative = Expr.relative[tokens[0].type],
          implicitRelative = leadingRelative || Expr.relative[" "],
          i = leadingRelative ? 1 : 0,
          // The foundational matcher ensures that elements are reachable from top-level context(s)
      matchContext = addCombinator(function (elem) {
        return elem === checkContext;
      }, implicitRelative, true),
          matchAnyContext = addCombinator(function (elem) {
        return indexOf(checkContext, elem) > -1;
      }, implicitRelative, true),
          matchers = [function (elem, context, xml) {
        var ret = !leadingRelative && (xml || context !== outermostContext) || ((checkContext = context).nodeType ? matchContext(elem, context, xml) : matchAnyContext(elem, context, xml)); // Avoid hanging onto element (issue #299)

        checkContext = null;
        return ret;
      }];

      for (; i < len; i++) {
        if (matcher = Expr.relative[tokens[i].type]) {
          matchers = [addCombinator(elementMatcher(matchers), matcher)];
        } else {
          matcher = Expr.filter[tokens[i].type].apply(null, tokens[i].matches); // Return special upon seeing a positional matcher

          if (matcher[expando]) {
            // Find the next relative operator (if any) for proper handling
            j = ++i;

            for (; j < len; j++) {
              if (Expr.relative[tokens[j].type]) {
                break;
              }
            }

            return setMatcher(i > 1 && elementMatcher(matchers), i > 1 && toSelector( // If the preceding token was a descendant combinator, insert an implicit any-element `*`
            tokens.slice(0, i - 1).concat({
              value: tokens[i - 2].type === " " ? "*" : ""
            })).replace(rtrim, "$1"), matcher, i < j && matcherFromTokens(tokens.slice(i, j)), j < len && matcherFromTokens(tokens = tokens.slice(j)), j < len && toSelector(tokens));
          }

          matchers.push(matcher);
        }
      }

      return elementMatcher(matchers);
    }

    function matcherFromGroupMatchers(elementMatchers, setMatchers) {
      var bySet = setMatchers.length > 0,
          byElement = elementMatchers.length > 0,
          superMatcher = function (seed, context, xml, results, outermost) {
        var elem,
            j,
            matcher,
            matchedCount = 0,
            i = "0",
            unmatched = seed && [],
            setMatched = [],
            contextBackup = outermostContext,
            // We must always have either seed elements or outermost context
        elems = seed || byElement && Expr.find["TAG"]("*", outermost),
            // Use integer dirruns iff this is the outermost matcher
        dirrunsUnique = dirruns += contextBackup == null ? 1 : Math.random() || 0.1,
            len = elems.length;

        if (outermost) {
          // Support: IE 11+, Edge 17 - 18+
          // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
          // two documents; shallow comparisons work.
          // eslint-disable-next-line eqeqeq
          outermostContext = context == document || context || outermost;
        } // Add elements passing elementMatchers directly to results
        // Support: IE<9, Safari
        // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id


        for (; i !== len && (elem = elems[i]) != null; i++) {
          if (byElement && elem) {
            j = 0; // Support: IE 11+, Edge 17 - 18+
            // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
            // two documents; shallow comparisons work.
            // eslint-disable-next-line eqeqeq

            if (!context && elem.ownerDocument != document) {
              setDocument(elem);
              xml = !documentIsHTML;
            }

            while (matcher = elementMatchers[j++]) {
              if (matcher(elem, context || document, xml)) {
                results.push(elem);
                break;
              }
            }

            if (outermost) {
              dirruns = dirrunsUnique;
            }
          } // Track unmatched elements for set filters


          if (bySet) {
            // They will have gone through all possible matchers
            if (elem = !matcher && elem) {
              matchedCount--;
            } // Lengthen the array for every element, matched or not


            if (seed) {
              unmatched.push(elem);
            }
          }
        } // `i` is now the count of elements visited above, and adding it to `matchedCount`
        // makes the latter nonnegative.


        matchedCount += i; // Apply set filters to unmatched elements
        // NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount`
        // equals `i`), unless we didn't visit _any_ elements in the above loop because we have
        // no element matchers and no seed.
        // Incrementing an initially-string "0" `i` allows `i` to remain a string only in that
        // case, which will result in a "00" `matchedCount` that differs from `i` but is also
        // numerically zero.

        if (bySet && i !== matchedCount) {
          j = 0;

          while (matcher = setMatchers[j++]) {
            matcher(unmatched, setMatched, context, xml);
          }

          if (seed) {
            // Reintegrate element matches to eliminate the need for sorting
            if (matchedCount > 0) {
              while (i--) {
                if (!(unmatched[i] || setMatched[i])) {
                  setMatched[i] = pop.call(results);
                }
              }
            } // Discard index placeholder values to get only actual matches


            setMatched = condense(setMatched);
          } // Add matches to results


          push.apply(results, setMatched); // Seedless set matches succeeding multiple successful matchers stipulate sorting

          if (outermost && !seed && setMatched.length > 0 && matchedCount + setMatchers.length > 1) {
            Sizzle.uniqueSort(results);
          }
        } // Override manipulation of globals by nested matchers


        if (outermost) {
          dirruns = dirrunsUnique;
          outermostContext = contextBackup;
        }

        return unmatched;
      };

      return bySet ? markFunction(superMatcher) : superMatcher;
    }

    compile = Sizzle.compile = function (selector, match
    /* Internal Use Only */
    ) {
      var i,
          setMatchers = [],
          elementMatchers = [],
          cached = compilerCache[selector + " "];

      if (!cached) {
        // Generate a function of recursive functions that can be used to check each element
        if (!match) {
          match = tokenize(selector);
        }

        i = match.length;

        while (i--) {
          cached = matcherFromTokens(match[i]);

          if (cached[expando]) {
            setMatchers.push(cached);
          } else {
            elementMatchers.push(cached);
          }
        } // Cache the compiled function


        cached = compilerCache(selector, matcherFromGroupMatchers(elementMatchers, setMatchers)); // Save selector and tokenization

        cached.selector = selector;
      }

      return cached;
    };
    /**
     * A low-level selection function that works with Sizzle's compiled
     *  selector functions
     * @param {String|Function} selector A selector or a pre-compiled
     *  selector function built with Sizzle.compile
     * @param {Element} context
     * @param {Array} [results]
     * @param {Array} [seed] A set of elements to match against
     */


    select = Sizzle.select = function (selector, context, results, seed) {
      var i,
          tokens,
          token,
          type,
          find,
          compiled = typeof selector === "function" && selector,
          match = !seed && tokenize(selector = compiled.selector || selector);
      results = results || []; // Try to minimize operations if there is only one selector in the list and no seed
      // (the latter of which guarantees us context)

      if (match.length === 1) {
        // Reduce context if the leading compound selector is an ID
        tokens = match[0] = match[0].slice(0);

        if (tokens.length > 2 && (token = tokens[0]).type === "ID" && context.nodeType === 9 && documentIsHTML && Expr.relative[tokens[1].type]) {
          context = (Expr.find["ID"](token.matches[0].replace(runescape, funescape), context) || [])[0];

          if (!context) {
            return results; // Precompiled matchers will still verify ancestry, so step up a level
          } else if (compiled) {
            context = context.parentNode;
          }

          selector = selector.slice(tokens.shift().value.length);
        } // Fetch a seed set for right-to-left matching


        i = matchExpr["needsContext"].test(selector) ? 0 : tokens.length;

        while (i--) {
          token = tokens[i]; // Abort if we hit a combinator

          if (Expr.relative[type = token.type]) {
            break;
          }

          if (find = Expr.find[type]) {
            // Search, expanding context for leading sibling combinators
            if (seed = find(token.matches[0].replace(runescape, funescape), rsibling.test(tokens[0].type) && testContext(context.parentNode) || context)) {
              // If seed is empty or no tokens remain, we can return early
              tokens.splice(i, 1);
              selector = seed.length && toSelector(tokens);

              if (!selector) {
                push.apply(results, seed);
                return results;
              }

              break;
            }
          }
        }
      } // Compile and execute a filtering function if one is not provided
      // Provide `match` to avoid retokenization if we modified the selector above


      (compiled || compile(selector, match))(seed, context, !documentIsHTML, results, !context || rsibling.test(selector) && testContext(context.parentNode) || context);
      return results;
    }; // One-time assignments
    // Sort stability


    support.sortStable = expando.split("").sort(sortOrder).join("") === expando; // Support: Chrome 14-35+
    // Always assume duplicates if they aren't passed to the comparison function

    support.detectDuplicates = !!hasDuplicate; // Initialize against the default document

    setDocument(); // Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
    // Detached nodes confoundingly follow *each other*

    support.sortDetached = assert(function (el) {
      // Should return 1, but returns 4 (following)
      return el.compareDocumentPosition(document.createElement("fieldset")) & 1;
    }); // Support: IE<8
    // Prevent attribute/property "interpolation"
    // https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx

    if (!assert(function (el) {
      el.innerHTML = "<a href='#'></a>";
      return el.firstChild.getAttribute("href") === "#";
    })) {
      addHandle("type|href|height|width", function (elem, name, isXML) {
        if (!isXML) {
          return elem.getAttribute(name, name.toLowerCase() === "type" ? 1 : 2);
        }
      });
    } // Support: IE<9
    // Use defaultValue in place of getAttribute("value")


    if (!support.attributes || !assert(function (el) {
      el.innerHTML = "<input/>";
      el.firstChild.setAttribute("value", "");
      return el.firstChild.getAttribute("value") === "";
    })) {
      addHandle("value", function (elem, _name, isXML) {
        if (!isXML && elem.nodeName.toLowerCase() === "input") {
          return elem.defaultValue;
        }
      });
    } // Support: IE<9
    // Use getAttributeNode to fetch booleans when getAttribute lies


    if (!assert(function (el) {
      return el.getAttribute("disabled") == null;
    })) {
      addHandle(booleans, function (elem, name, isXML) {
        var val;

        if (!isXML) {
          return elem[name] === true ? name.toLowerCase() : (val = elem.getAttributeNode(name)) && val.specified ? val.value : null;
        }
      });
    }

    return Sizzle;
  }(window);

  jQuery.find = Sizzle;
  jQuery.expr = Sizzle.selectors; // Deprecated

  jQuery.expr[":"] = jQuery.expr.pseudos;
  jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort;
  jQuery.text = Sizzle.getText;
  jQuery.isXMLDoc = Sizzle.isXML;
  jQuery.contains = Sizzle.contains;
  jQuery.escapeSelector = Sizzle.escape;

  var dir = function (elem, dir, until) {
    var matched = [],
        truncate = until !== undefined;

    while ((elem = elem[dir]) && elem.nodeType !== 9) {
      if (elem.nodeType === 1) {
        if (truncate && jQuery(elem).is(until)) {
          break;
        }

        matched.push(elem);
      }
    }

    return matched;
  };

  var siblings = function (n, elem) {
    var matched = [];

    for (; n; n = n.nextSibling) {
      if (n.nodeType === 1 && n !== elem) {
        matched.push(n);
      }
    }

    return matched;
  };

  var rneedsContext = jQuery.expr.match.needsContext;

  function nodeName(elem, name) {
    return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
  }

  var rsingleTag = /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i; // Implement the identical functionality for filter and not

  function winnow(elements, qualifier, not) {
    if (isFunction(qualifier)) {
      return jQuery.grep(elements, function (elem, i) {
        return !!qualifier.call(elem, i, elem) !== not;
      });
    } // Single element


    if (qualifier.nodeType) {
      return jQuery.grep(elements, function (elem) {
        return elem === qualifier !== not;
      });
    } // Arraylike of elements (jQuery, arguments, Array)


    if (typeof qualifier !== "string") {
      return jQuery.grep(elements, function (elem) {
        return indexOf.call(qualifier, elem) > -1 !== not;
      });
    } // Filtered directly for both simple and complex selectors


    return jQuery.filter(qualifier, elements, not);
  }

  jQuery.filter = function (expr, elems, not) {
    var elem = elems[0];

    if (not) {
      expr = ":not(" + expr + ")";
    }

    if (elems.length === 1 && elem.nodeType === 1) {
      return jQuery.find.matchesSelector(elem, expr) ? [elem] : [];
    }

    return jQuery.find.matches(expr, jQuery.grep(elems, function (elem) {
      return elem.nodeType === 1;
    }));
  };

  jQuery.fn.extend({
    find: function (selector) {
      var i,
          ret,
          len = this.length,
          self = this;

      if (typeof selector !== "string") {
        return this.pushStack(jQuery(selector).filter(function () {
          for (i = 0; i < len; i++) {
            if (jQuery.contains(self[i], this)) {
              return true;
            }
          }
        }));
      }

      ret = this.pushStack([]);

      for (i = 0; i < len; i++) {
        jQuery.find(selector, self[i], ret);
      }

      return len > 1 ? jQuery.uniqueSort(ret) : ret;
    },
    filter: function (selector) {
      return this.pushStack(winnow(this, selector || [], false));
    },
    not: function (selector) {
      return this.pushStack(winnow(this, selector || [], true));
    },
    is: function (selector) {
      return !!winnow(this, // If this is a positional/relative selector, check membership in the returned set
      // so $("p:first").is("p:last") won't return true for a doc with two "p".
      typeof selector === "string" && rneedsContext.test(selector) ? jQuery(selector) : selector || [], false).length;
    }
  }); // Initialize a jQuery object
  // A central reference to the root jQuery(document)

  var rootjQuery,
      // A simple way to check for HTML strings
  // Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
  // Strict HTML recognition (#11290: must start with <)
  // Shortcut simple #id case for speed
  rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/,
      init = jQuery.fn.init = function (selector, context, root) {
    var match, elem; // HANDLE: $(""), $(null), $(undefined), $(false)

    if (!selector) {
      return this;
    } // Method init() accepts an alternate rootjQuery
    // so migrate can support jQuery.sub (gh-2101)


    root = root || rootjQuery; // Handle HTML strings

    if (typeof selector === "string") {
      if (selector[0] === "<" && selector[selector.length - 1] === ">" && selector.length >= 3) {
        // Assume that strings that start and end with <> are HTML and skip the regex check
        match = [null, selector, null];
      } else {
        match = rquickExpr.exec(selector);
      } // Match html or make sure no context is specified for #id


      if (match && (match[1] || !context)) {
        // HANDLE: $(html) -> $(array)
        if (match[1]) {
          context = context instanceof jQuery ? context[0] : context; // Option to run scripts is true for back-compat
          // Intentionally let the error be thrown if parseHTML is not present

          jQuery.merge(this, jQuery.parseHTML(match[1], context && context.nodeType ? context.ownerDocument || context : document, true)); // HANDLE: $(html, props)

          if (rsingleTag.test(match[1]) && jQuery.isPlainObject(context)) {
            for (match in context) {
              // Properties of context are called as methods if possible
              if (isFunction(this[match])) {
                this[match](context[match]); // ...and otherwise set as attributes
              } else {
                this.attr(match, context[match]);
              }
            }
          }

          return this; // HANDLE: $(#id)
        } else {
          elem = document.getElementById(match[2]);

          if (elem) {
            // Inject the element directly into the jQuery object
            this[0] = elem;
            this.length = 1;
          }

          return this;
        } // HANDLE: $(expr, $(...))

      } else if (!context || context.jquery) {
        return (context || root).find(selector); // HANDLE: $(expr, context)
        // (which is just equivalent to: $(context).find(expr)
      } else {
        return this.constructor(context).find(selector);
      } // HANDLE: $(DOMElement)

    } else if (selector.nodeType) {
      this[0] = selector;
      this.length = 1;
      return this; // HANDLE: $(function)
      // Shortcut for document ready
    } else if (isFunction(selector)) {
      return root.ready !== undefined ? root.ready(selector) : // Execute immediately if ready is not present
      selector(jQuery);
    }

    return jQuery.makeArray(selector, this);
  }; // Give the init function the jQuery prototype for later instantiation


  init.prototype = jQuery.fn; // Initialize central reference

  rootjQuery = jQuery(document);
  var rparentsprev = /^(?:parents|prev(?:Until|All))/,
      // Methods guaranteed to produce a unique set when starting from a unique set
  guaranteedUnique = {
    children: true,
    contents: true,
    next: true,
    prev: true
  };
  jQuery.fn.extend({
    has: function (target) {
      var targets = jQuery(target, this),
          l = targets.length;
      return this.filter(function () {
        var i = 0;

        for (; i < l; i++) {
          if (jQuery.contains(this, targets[i])) {
            return true;
          }
        }
      });
    },
    closest: function (selectors, context) {
      var cur,
          i = 0,
          l = this.length,
          matched = [],
          targets = typeof selectors !== "string" && jQuery(selectors); // Positional selectors never match, since there's no _selection_ context

      if (!rneedsContext.test(selectors)) {
        for (; i < l; i++) {
          for (cur = this[i]; cur && cur !== context; cur = cur.parentNode) {
            // Always skip document fragments
            if (cur.nodeType < 11 && (targets ? targets.index(cur) > -1 : // Don't pass non-elements to Sizzle
            cur.nodeType === 1 && jQuery.find.matchesSelector(cur, selectors))) {
              matched.push(cur);
              break;
            }
          }
        }
      }

      return this.pushStack(matched.length > 1 ? jQuery.uniqueSort(matched) : matched);
    },
    // Determine the position of an element within the set
    index: function (elem) {
      // No argument, return index in parent
      if (!elem) {
        return this[0] && this[0].parentNode ? this.first().prevAll().length : -1;
      } // Index in selector


      if (typeof elem === "string") {
        return indexOf.call(jQuery(elem), this[0]);
      } // Locate the position of the desired element


      return indexOf.call(this, // If it receives a jQuery object, the first element is used
      elem.jquery ? elem[0] : elem);
    },
    add: function (selector, context) {
      return this.pushStack(jQuery.uniqueSort(jQuery.merge(this.get(), jQuery(selector, context))));
    },
    addBack: function (selector) {
      return this.add(selector == null ? this.prevObject : this.prevObject.filter(selector));
    }
  });

  function sibling(cur, dir) {
    while ((cur = cur[dir]) && cur.nodeType !== 1) {}

    return cur;
  }

  jQuery.each({
    parent: function (elem) {
      var parent = elem.parentNode;
      return parent && parent.nodeType !== 11 ? parent : null;
    },
    parents: function (elem) {
      return dir(elem, "parentNode");
    },
    parentsUntil: function (elem, _i, until) {
      return dir(elem, "parentNode", until);
    },
    next: function (elem) {
      return sibling(elem, "nextSibling");
    },
    prev: function (elem) {
      return sibling(elem, "previousSibling");
    },
    nextAll: function (elem) {
      return dir(elem, "nextSibling");
    },
    prevAll: function (elem) {
      return dir(elem, "previousSibling");
    },
    nextUntil: function (elem, _i, until) {
      return dir(elem, "nextSibling", until);
    },
    prevUntil: function (elem, _i, until) {
      return dir(elem, "previousSibling", until);
    },
    siblings: function (elem) {
      return siblings((elem.parentNode || {}).firstChild, elem);
    },
    children: function (elem) {
      return siblings(elem.firstChild);
    },
    contents: function (elem) {
      if (elem.contentDocument != null && // Support: IE 11+
      // <object> elements with no `data` attribute has an object
      // `contentDocument` with a `null` prototype.
      getProto(elem.contentDocument)) {
        return elem.contentDocument;
      } // Support: IE 9 - 11 only, iOS 7 only, Android Browser <=4.3 only
      // Treat the template element as a regular one in browsers that
      // don't support it.


      if (nodeName(elem, "template")) {
        elem = elem.content || elem;
      }

      return jQuery.merge([], elem.childNodes);
    }
  }, function (name, fn) {
    jQuery.fn[name] = function (until, selector) {
      var matched = jQuery.map(this, fn, until);

      if (name.slice(-5) !== "Until") {
        selector = until;
      }

      if (selector && typeof selector === "string") {
        matched = jQuery.filter(selector, matched);
      }

      if (this.length > 1) {
        // Remove duplicates
        if (!guaranteedUnique[name]) {
          jQuery.uniqueSort(matched);
        } // Reverse order for parents* and prev-derivatives


        if (rparentsprev.test(name)) {
          matched.reverse();
        }
      }

      return this.pushStack(matched);
    };
  });
  var rnothtmlwhite = /[^\x20\t\r\n\f]+/g; // Convert String-formatted options into Object-formatted ones

  function createOptions(options) {
    var object = {};
    jQuery.each(options.match(rnothtmlwhite) || [], function (_, flag) {
      object[flag] = true;
    });
    return object;
  }
  /*
   * Create a callback list using the following parameters:
   *
   *	options: an optional list of space-separated options that will change how
   *			the callback list behaves or a more traditional option object
   *
   * By default a callback list will act like an event callback list and can be
   * "fired" multiple times.
   *
   * Possible options:
   *
   *	once:			will ensure the callback list can only be fired once (like a Deferred)
   *
   *	memory:			will keep track of previous values and will call any callback added
   *					after the list has been fired right away with the latest "memorized"
   *					values (like a Deferred)
   *
   *	unique:			will ensure a callback can only be added once (no duplicate in the list)
   *
   *	stopOnFalse:	interrupt callings when a callback returns false
   *
   */


  jQuery.Callbacks = function (options) {
    // Convert options from String-formatted to Object-formatted if needed
    // (we check in cache first)
    options = typeof options === "string" ? createOptions(options) : jQuery.extend({}, options);

    var // Flag to know if list is currently firing
    firing,
        // Last fire value for non-forgettable lists
    memory,
        // Flag to know if list was already fired
    fired,
        // Flag to prevent firing
    locked,
        // Actual callback list
    list = [],
        // Queue of execution data for repeatable lists
    queue = [],
        // Index of currently firing callback (modified by add/remove as needed)
    firingIndex = -1,
        // Fire callbacks
    fire = function () {
      // Enforce single-firing
      locked = locked || options.once; // Execute callbacks for all pending executions,
      // respecting firingIndex overrides and runtime changes

      fired = firing = true;

      for (; queue.length; firingIndex = -1) {
        memory = queue.shift();

        while (++firingIndex < list.length) {
          // Run callback and check for early termination
          if (list[firingIndex].apply(memory[0], memory[1]) === false && options.stopOnFalse) {
            // Jump to end and forget the data so .add doesn't re-fire
            firingIndex = list.length;
            memory = false;
          }
        }
      } // Forget the data if we're done with it


      if (!options.memory) {
        memory = false;
      }

      firing = false; // Clean up if we're done firing for good

      if (locked) {
        // Keep an empty list if we have data for future add calls
        if (memory) {
          list = []; // Otherwise, this object is spent
        } else {
          list = "";
        }
      }
    },
        // Actual Callbacks object
    self = {
      // Add a callback or a collection of callbacks to the list
      add: function () {
        if (list) {
          // If we have memory from a past run, we should fire after adding
          if (memory && !firing) {
            firingIndex = list.length - 1;
            queue.push(memory);
          }

          (function add(args) {
            jQuery.each(args, function (_, arg) {
              if (isFunction(arg)) {
                if (!options.unique || !self.has(arg)) {
                  list.push(arg);
                }
              } else if (arg && arg.length && toType(arg) !== "string") {
                // Inspect recursively
                add(arg);
              }
            });
          })(arguments);

          if (memory && !firing) {
            fire();
          }
        }

        return this;
      },
      // Remove a callback from the list
      remove: function () {
        jQuery.each(arguments, function (_, arg) {
          var index;

          while ((index = jQuery.inArray(arg, list, index)) > -1) {
            list.splice(index, 1); // Handle firing indexes

            if (index <= firingIndex) {
              firingIndex--;
            }
          }
        });
        return this;
      },
      // Check if a given callback is in the list.
      // If no argument is given, return whether or not list has callbacks attached.
      has: function (fn) {
        return fn ? jQuery.inArray(fn, list) > -1 : list.length > 0;
      },
      // Remove all callbacks from the list
      empty: function () {
        if (list) {
          list = [];
        }

        return this;
      },
      // Disable .fire and .add
      // Abort any current/pending executions
      // Clear all callbacks and values
      disable: function () {
        locked = queue = [];
        list = memory = "";
        return this;
      },
      disabled: function () {
        return !list;
      },
      // Disable .fire
      // Also disable .add unless we have memory (since it would have no effect)
      // Abort any pending executions
      lock: function () {
        locked = queue = [];

        if (!memory && !firing) {
          list = memory = "";
        }

        return this;
      },
      locked: function () {
        return !!locked;
      },
      // Call all callbacks with the given context and arguments
      fireWith: function (context, args) {
        if (!locked) {
          args = args || [];
          args = [context, args.slice ? args.slice() : args];
          queue.push(args);

          if (!firing) {
            fire();
          }
        }

        return this;
      },
      // Call all the callbacks with the given arguments
      fire: function () {
        self.fireWith(this, arguments);
        return this;
      },
      // To know if the callbacks have already been called at least once
      fired: function () {
        return !!fired;
      }
    };

    return self;
  };

  function Identity(v) {
    return v;
  }

  function Thrower(ex) {
    throw ex;
  }

  function adoptValue(value, resolve, reject, noValue) {
    var method;

    try {
      // Check for promise aspect first to privilege synchronous behavior
      if (value && isFunction(method = value.promise)) {
        method.call(value).done(resolve).fail(reject); // Other thenables
      } else if (value && isFunction(method = value.then)) {
        method.call(value, resolve, reject); // Other non-thenables
      } else {
        // Control `resolve` arguments by letting Array#slice cast boolean `noValue` to integer:
        // * false: [ value ].slice( 0 ) => resolve( value )
        // * true: [ value ].slice( 1 ) => resolve()
        resolve.apply(undefined, [value].slice(noValue));
      } // For Promises/A+, convert exceptions into rejections
      // Since jQuery.when doesn't unwrap thenables, we can skip the extra checks appearing in
      // Deferred#then to conditionally suppress rejection.

    } catch (value) {
      // Support: Android 4.0 only
      // Strict mode functions invoked without .call/.apply get global-object context
      reject.apply(undefined, [value]);
    }
  }

  jQuery.extend({
    Deferred: function (func) {
      var tuples = [// action, add listener, callbacks,
      // ... .then handlers, argument index, [final state]
      ["notify", "progress", jQuery.Callbacks("memory"), jQuery.Callbacks("memory"), 2], ["resolve", "done", jQuery.Callbacks("once memory"), jQuery.Callbacks("once memory"), 0, "resolved"], ["reject", "fail", jQuery.Callbacks("once memory"), jQuery.Callbacks("once memory"), 1, "rejected"]],
          state = "pending",
          promise = {
        state: function () {
          return state;
        },
        always: function () {
          deferred.done(arguments).fail(arguments);
          return this;
        },
        "catch": function (fn) {
          return promise.then(null, fn);
        },
        // Keep pipe for back-compat
        pipe: function
          /* fnDone, fnFail, fnProgress */
        () {
          var fns = arguments;
          return jQuery.Deferred(function (newDefer) {
            jQuery.each(tuples, function (_i, tuple) {
              // Map tuples (progress, done, fail) to arguments (done, fail, progress)
              var fn = isFunction(fns[tuple[4]]) && fns[tuple[4]]; // deferred.progress(function() { bind to newDefer or newDefer.notify })
              // deferred.done(function() { bind to newDefer or newDefer.resolve })
              // deferred.fail(function() { bind to newDefer or newDefer.reject })

              deferred[tuple[1]](function () {
                var returned = fn && fn.apply(this, arguments);

                if (returned && isFunction(returned.promise)) {
                  returned.promise().progress(newDefer.notify).done(newDefer.resolve).fail(newDefer.reject);
                } else {
                  newDefer[tuple[0] + "With"](this, fn ? [returned] : arguments);
                }
              });
            });
            fns = null;
          }).promise();
        },
        then: function (onFulfilled, onRejected, onProgress) {
          var maxDepth = 0;

          function resolve(depth, deferred, handler, special) {
            return function () {
              var that = this,
                  args = arguments,
                  mightThrow = function () {
                var returned, then; // Support: Promises/A+ section 2.3.3.3.3
                // https://promisesaplus.com/#point-59
                // Ignore double-resolution attempts

                if (depth < maxDepth) {
                  return;
                }

                returned = handler.apply(that, args); // Support: Promises/A+ section 2.3.1
                // https://promisesaplus.com/#point-48

                if (returned === deferred.promise()) {
                  throw new TypeError("Thenable self-resolution");
                } // Support: Promises/A+ sections 2.3.3.1, 3.5
                // https://promisesaplus.com/#point-54
                // https://promisesaplus.com/#point-75
                // Retrieve `then` only once


                then = returned && ( // Support: Promises/A+ section 2.3.4
                // https://promisesaplus.com/#point-64
                // Only check objects and functions for thenability
                typeof returned === "object" || typeof returned === "function") && returned.then; // Handle a returned thenable

                if (isFunction(then)) {
                  // Special processors (notify) just wait for resolution
                  if (special) {
                    then.call(returned, resolve(maxDepth, deferred, Identity, special), resolve(maxDepth, deferred, Thrower, special)); // Normal processors (resolve) also hook into progress
                  } else {
                    // ...and disregard older resolution values
                    maxDepth++;
                    then.call(returned, resolve(maxDepth, deferred, Identity, special), resolve(maxDepth, deferred, Thrower, special), resolve(maxDepth, deferred, Identity, deferred.notifyWith));
                  } // Handle all other returned values

                } else {
                  // Only substitute handlers pass on context
                  // and multiple values (non-spec behavior)
                  if (handler !== Identity) {
                    that = undefined;
                    args = [returned];
                  } // Process the value(s)
                  // Default process is resolve


                  (special || deferred.resolveWith)(that, args);
                }
              },
                  // Only normal processors (resolve) catch and reject exceptions
              process = special ? mightThrow : function () {
                try {
                  mightThrow();
                } catch (e) {
                  if (jQuery.Deferred.exceptionHook) {
                    jQuery.Deferred.exceptionHook(e, process.stackTrace);
                  } // Support: Promises/A+ section 2.3.3.3.4.1
                  // https://promisesaplus.com/#point-61
                  // Ignore post-resolution exceptions


                  if (depth + 1 >= maxDepth) {
                    // Only substitute handlers pass on context
                    // and multiple values (non-spec behavior)
                    if (handler !== Thrower) {
                      that = undefined;
                      args = [e];
                    }

                    deferred.rejectWith(that, args);
                  }
                }
              }; // Support: Promises/A+ section 2.3.3.3.1
              // https://promisesaplus.com/#point-57
              // Re-resolve promises immediately to dodge false rejection from
              // subsequent errors


              if (depth) {
                process();
              } else {
                // Call an optional hook to record the stack, in case of exception
                // since it's otherwise lost when execution goes async
                if (jQuery.Deferred.getStackHook) {
                  process.stackTrace = jQuery.Deferred.getStackHook();
                }

                window.setTimeout(process);
              }
            };
          }

          return jQuery.Deferred(function (newDefer) {
            // progress_handlers.add( ... )
            tuples[0][3].add(resolve(0, newDefer, isFunction(onProgress) ? onProgress : Identity, newDefer.notifyWith)); // fulfilled_handlers.add( ... )

            tuples[1][3].add(resolve(0, newDefer, isFunction(onFulfilled) ? onFulfilled : Identity)); // rejected_handlers.add( ... )

            tuples[2][3].add(resolve(0, newDefer, isFunction(onRejected) ? onRejected : Thrower));
          }).promise();
        },
        // Get a promise for this deferred
        // If obj is provided, the promise aspect is added to the object
        promise: function (obj) {
          return obj != null ? jQuery.extend(obj, promise) : promise;
        }
      },
          deferred = {}; // Add list-specific methods

      jQuery.each(tuples, function (i, tuple) {
        var list = tuple[2],
            stateString = tuple[5]; // promise.progress = list.add
        // promise.done = list.add
        // promise.fail = list.add

        promise[tuple[1]] = list.add; // Handle state

        if (stateString) {
          list.add(function () {
            // state = "resolved" (i.e., fulfilled)
            // state = "rejected"
            state = stateString;
          }, // rejected_callbacks.disable
          // fulfilled_callbacks.disable
          tuples[3 - i][2].disable, // rejected_handlers.disable
          // fulfilled_handlers.disable
          tuples[3 - i][3].disable, // progress_callbacks.lock
          tuples[0][2].lock, // progress_handlers.lock
          tuples[0][3].lock);
        } // progress_handlers.fire
        // fulfilled_handlers.fire
        // rejected_handlers.fire


        list.add(tuple[3].fire); // deferred.notify = function() { deferred.notifyWith(...) }
        // deferred.resolve = function() { deferred.resolveWith(...) }
        // deferred.reject = function() { deferred.rejectWith(...) }

        deferred[tuple[0]] = function () {
          deferred[tuple[0] + "With"](this === deferred ? undefined : this, arguments);
          return this;
        }; // deferred.notifyWith = list.fireWith
        // deferred.resolveWith = list.fireWith
        // deferred.rejectWith = list.fireWith


        deferred[tuple[0] + "With"] = list.fireWith;
      }); // Make the deferred a promise

      promise.promise(deferred); // Call given func if any

      if (func) {
        func.call(deferred, deferred);
      } // All done!


      return deferred;
    },
    // Deferred helper
    when: function (singleValue) {
      var // count of uncompleted subordinates
      remaining = arguments.length,
          // count of unprocessed arguments
      i = remaining,
          // subordinate fulfillment data
      resolveContexts = Array(i),
          resolveValues = slice.call(arguments),
          // the primary Deferred
      primary = jQuery.Deferred(),
          // subordinate callback factory
      updateFunc = function (i) {
        return function (value) {
          resolveContexts[i] = this;
          resolveValues[i] = arguments.length > 1 ? slice.call(arguments) : value;

          if (! --remaining) {
            primary.resolveWith(resolveContexts, resolveValues);
          }
        };
      }; // Single- and empty arguments are adopted like Promise.resolve


      if (remaining <= 1) {
        adoptValue(singleValue, primary.done(updateFunc(i)).resolve, primary.reject, !remaining); // Use .then() to unwrap secondary thenables (cf. gh-3000)

        if (primary.state() === "pending" || isFunction(resolveValues[i] && resolveValues[i].then)) {
          return primary.then();
        }
      } // Multiple arguments are aggregated like Promise.all array elements


      while (i--) {
        adoptValue(resolveValues[i], updateFunc(i), primary.reject);
      }

      return primary.promise();
    }
  }); // These usually indicate a programmer mistake during development,
  // warn about them ASAP rather than swallowing them by default.

  var rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/;

  jQuery.Deferred.exceptionHook = function (error, stack) {
    // Support: IE 8 - 9 only
    // Console exists when dev tools are open, which can happen at any time
    if (window.console && window.console.warn && error && rerrorNames.test(error.name)) {
      window.console.warn("jQuery.Deferred exception: " + error.message, error.stack, stack);
    }
  };

  jQuery.readyException = function (error) {
    window.setTimeout(function () {
      throw error;
    });
  }; // The deferred used on DOM ready


  var readyList = jQuery.Deferred();

  jQuery.fn.ready = function (fn) {
    readyList.then(fn) // Wrap jQuery.readyException in a function so that the lookup
    // happens at the time of error handling instead of callback
    // registration.
    .catch(function (error) {
      jQuery.readyException(error);
    });
    return this;
  };

  jQuery.extend({
    // Is the DOM ready to be used? Set to true once it occurs.
    isReady: false,
    // A counter to track how many items to wait for before
    // the ready event fires. See #6781
    readyWait: 1,
    // Handle when the DOM is ready
    ready: function (wait) {
      // Abort if there are pending holds or we're already ready
      if (wait === true ? --jQuery.readyWait : jQuery.isReady) {
        return;
      } // Remember that the DOM is ready


      jQuery.isReady = true; // If a normal DOM Ready event fired, decrement, and wait if need be

      if (wait !== true && --jQuery.readyWait > 0) {
        return;
      } // If there are functions bound, to execute


      readyList.resolveWith(document, [jQuery]);
    }
  });
  jQuery.ready.then = readyList.then; // The ready event handler and self cleanup method

  function completed() {
    document.removeEventListener("DOMContentLoaded", completed);
    window.removeEventListener("load", completed);
    jQuery.ready();
  } // Catch cases where $(document).ready() is called
  // after the browser event has already occurred.
  // Support: IE <=9 - 10 only
  // Older IE sometimes signals "interactive" too soon


  if (document.readyState === "complete" || document.readyState !== "loading" && !document.documentElement.doScroll) {
    // Handle it asynchronously to allow scripts the opportunity to delay ready
    window.setTimeout(jQuery.ready);
  } else {
    // Use the handy event callback
    document.addEventListener("DOMContentLoaded", completed); // A fallback to window.onload, that will always work

    window.addEventListener("load", completed);
  } // Multifunctional method to get and set values of a collection
  // The value/s can optionally be executed if it's a function


  var access = function (elems, fn, key, value, chainable, emptyGet, raw) {
    var i = 0,
        len = elems.length,
        bulk = key == null; // Sets many values

    if (toType(key) === "object") {
      chainable = true;

      for (i in key) {
        access(elems, fn, i, key[i], true, emptyGet, raw);
      } // Sets one value

    } else if (value !== undefined) {
      chainable = true;

      if (!isFunction(value)) {
        raw = true;
      }

      if (bulk) {
        // Bulk operations run against the entire set
        if (raw) {
          fn.call(elems, value);
          fn = null; // ...except when executing function values
        } else {
          bulk = fn;

          fn = function (elem, _key, value) {
            return bulk.call(jQuery(elem), value);
          };
        }
      }

      if (fn) {
        for (; i < len; i++) {
          fn(elems[i], key, raw ? value : value.call(elems[i], i, fn(elems[i], key)));
        }
      }
    }

    if (chainable) {
      return elems;
    } // Gets


    if (bulk) {
      return fn.call(elems);
    }

    return len ? fn(elems[0], key) : emptyGet;
  }; // Matches dashed string for camelizing


  var rmsPrefix = /^-ms-/,
      rdashAlpha = /-([a-z])/g; // Used by camelCase as callback to replace()

  function fcamelCase(_all, letter) {
    return letter.toUpperCase();
  } // Convert dashed to camelCase; used by the css and data modules
  // Support: IE <=9 - 11, Edge 12 - 15
  // Microsoft forgot to hump their vendor prefix (#9572)


  function camelCase(string) {
    return string.replace(rmsPrefix, "ms-").replace(rdashAlpha, fcamelCase);
  }

  var acceptData = function (owner) {
    // Accepts only:
    //  - Node
    //    - Node.ELEMENT_NODE
    //    - Node.DOCUMENT_NODE
    //  - Object
    //    - Any
    return owner.nodeType === 1 || owner.nodeType === 9 || !+owner.nodeType;
  };

  function Data() {
    this.expando = jQuery.expando + Data.uid++;
  }

  Data.uid = 1;
  Data.prototype = {
    cache: function (owner) {
      // Check if the owner object already has a cache
      var value = owner[this.expando]; // If not, create one

      if (!value) {
        value = {}; // We can accept data for non-element nodes in modern browsers,
        // but we should not, see #8335.
        // Always return an empty object.

        if (acceptData(owner)) {
          // If it is a node unlikely to be stringify-ed or looped over
          // use plain assignment
          if (owner.nodeType) {
            owner[this.expando] = value; // Otherwise secure it in a non-enumerable property
            // configurable must be true to allow the property to be
            // deleted when data is removed
          } else {
            Object.defineProperty(owner, this.expando, {
              value: value,
              configurable: true
            });
          }
        }
      }

      return value;
    },
    set: function (owner, data, value) {
      var prop,
          cache = this.cache(owner); // Handle: [ owner, key, value ] args
      // Always use camelCase key (gh-2257)

      if (typeof data === "string") {
        cache[camelCase(data)] = value; // Handle: [ owner, { properties } ] args
      } else {
        // Copy the properties one-by-one to the cache object
        for (prop in data) {
          cache[camelCase(prop)] = data[prop];
        }
      }

      return cache;
    },
    get: function (owner, key) {
      return key === undefined ? this.cache(owner) : // Always use camelCase key (gh-2257)
      owner[this.expando] && owner[this.expando][camelCase(key)];
    },
    access: function (owner, key, value) {
      // In cases where either:
      //
      //   1. No key was specified
      //   2. A string key was specified, but no value provided
      //
      // Take the "read" path and allow the get method to determine
      // which value to return, respectively either:
      //
      //   1. The entire cache object
      //   2. The data stored at the key
      //
      if (key === undefined || key && typeof key === "string" && value === undefined) {
        return this.get(owner, key);
      } // When the key is not a string, or both a key and value
      // are specified, set or extend (existing objects) with either:
      //
      //   1. An object of properties
      //   2. A key and value
      //


      this.set(owner, key, value); // Since the "set" path can have two possible entry points
      // return the expected data based on which path was taken[*]

      return value !== undefined ? value : key;
    },
    remove: function (owner, key) {
      var i,
          cache = owner[this.expando];

      if (cache === undefined) {
        return;
      }

      if (key !== undefined) {
        // Support array or space separated string of keys
        if (Array.isArray(key)) {
          // If key is an array of keys...
          // We always set camelCase keys, so remove that.
          key = key.map(camelCase);
        } else {
          key = camelCase(key); // If a key with the spaces exists, use it.
          // Otherwise, create an array by matching non-whitespace

          key = key in cache ? [key] : key.match(rnothtmlwhite) || [];
        }

        i = key.length;

        while (i--) {
          delete cache[key[i]];
        }
      } // Remove the expando if there's no more data


      if (key === undefined || jQuery.isEmptyObject(cache)) {
        // Support: Chrome <=35 - 45
        // Webkit & Blink performance suffers when deleting properties
        // from DOM nodes, so set to undefined instead
        // https://bugs.chromium.org/p/chromium/issues/detail?id=378607 (bug restricted)
        if (owner.nodeType) {
          owner[this.expando] = undefined;
        } else {
          delete owner[this.expando];
        }
      }
    },
    hasData: function (owner) {
      var cache = owner[this.expando];
      return cache !== undefined && !jQuery.isEmptyObject(cache);
    }
  };
  var dataPriv = new Data();
  var dataUser = new Data(); //	Implementation Summary
  //
  //	1. Enforce API surface and semantic compatibility with 1.9.x branch
  //	2. Improve the module's maintainability by reducing the storage
  //		paths to a single mechanism.
  //	3. Use the same single mechanism to support "private" and "user" data.
  //	4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData)
  //	5. Avoid exposing implementation details on user objects (eg. expando properties)
  //	6. Provide a clear path for implementation upgrade to WeakMap in 2014

  var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
      rmultiDash = /[A-Z]/g;

  function getData(data) {
    if (data === "true") {
      return true;
    }

    if (data === "false") {
      return false;
    }

    if (data === "null") {
      return null;
    } // Only convert to a number if it doesn't change the string


    if (data === +data + "") {
      return +data;
    }

    if (rbrace.test(data)) {
      return JSON.parse(data);
    }

    return data;
  }

  function dataAttr(elem, key, data) {
    var name; // If nothing was found internally, try to fetch any
    // data from the HTML5 data-* attribute

    if (data === undefined && elem.nodeType === 1) {
      name = "data-" + key.replace(rmultiDash, "-$&").toLowerCase();
      data = elem.getAttribute(name);

      if (typeof data === "string") {
        try {
          data = getData(data);
        } catch (e) {} // Make sure we set the data so it isn't changed later


        dataUser.set(elem, key, data);
      } else {
        data = undefined;
      }
    }

    return data;
  }

  jQuery.extend({
    hasData: function (elem) {
      return dataUser.hasData(elem) || dataPriv.hasData(elem);
    },
    data: function (elem, name, data) {
      return dataUser.access(elem, name, data);
    },
    removeData: function (elem, name) {
      dataUser.remove(elem, name);
    },
    // TODO: Now that all calls to _data and _removeData have been replaced
    // with direct calls to dataPriv methods, these can be deprecated.
    _data: function (elem, name, data) {
      return dataPriv.access(elem, name, data);
    },
    _removeData: function (elem, name) {
      dataPriv.remove(elem, name);
    }
  });
  jQuery.fn.extend({
    data: function (key, value) {
      var i,
          name,
          data,
          elem = this[0],
          attrs = elem && elem.attributes; // Gets all values

      if (key === undefined) {
        if (this.length) {
          data = dataUser.get(elem);

          if (elem.nodeType === 1 && !dataPriv.get(elem, "hasDataAttrs")) {
            i = attrs.length;

            while (i--) {
              // Support: IE 11 only
              // The attrs elements can be null (#14894)
              if (attrs[i]) {
                name = attrs[i].name;

                if (name.indexOf("data-") === 0) {
                  name = camelCase(name.slice(5));
                  dataAttr(elem, name, data[name]);
                }
              }
            }

            dataPriv.set(elem, "hasDataAttrs", true);
          }
        }

        return data;
      } // Sets multiple values


      if (typeof key === "object") {
        return this.each(function () {
          dataUser.set(this, key);
        });
      }

      return access(this, function (value) {
        var data; // The calling jQuery object (element matches) is not empty
        // (and therefore has an element appears at this[ 0 ]) and the
        // `value` parameter was not undefined. An empty jQuery object
        // will result in `undefined` for elem = this[ 0 ] which will
        // throw an exception if an attempt to read a data cache is made.

        if (elem && value === undefined) {
          // Attempt to get data from the cache
          // The key will always be camelCased in Data
          data = dataUser.get(elem, key);

          if (data !== undefined) {
            return data;
          } // Attempt to "discover" the data in
          // HTML5 custom data-* attrs


          data = dataAttr(elem, key);

          if (data !== undefined) {
            return data;
          } // We tried really hard, but the data doesn't exist.


          return;
        } // Set the data...


        this.each(function () {
          // We always store the camelCased key
          dataUser.set(this, key, value);
        });
      }, null, value, arguments.length > 1, null, true);
    },
    removeData: function (key) {
      return this.each(function () {
        dataUser.remove(this, key);
      });
    }
  });
  jQuery.extend({
    queue: function (elem, type, data) {
      var queue;

      if (elem) {
        type = (type || "fx") + "queue";
        queue = dataPriv.get(elem, type); // Speed up dequeue by getting out quickly if this is just a lookup

        if (data) {
          if (!queue || Array.isArray(data)) {
            queue = dataPriv.access(elem, type, jQuery.makeArray(data));
          } else {
            queue.push(data);
          }
        }

        return queue || [];
      }
    },
    dequeue: function (elem, type) {
      type = type || "fx";

      var queue = jQuery.queue(elem, type),
          startLength = queue.length,
          fn = queue.shift(),
          hooks = jQuery._queueHooks(elem, type),
          next = function () {
        jQuery.dequeue(elem, type);
      }; // If the fx queue is dequeued, always remove the progress sentinel


      if (fn === "inprogress") {
        fn = queue.shift();
        startLength--;
      }

      if (fn) {
        // Add a progress sentinel to prevent the fx queue from being
        // automatically dequeued
        if (type === "fx") {
          queue.unshift("inprogress");
        } // Clear up the last queue stop function


        delete hooks.stop;
        fn.call(elem, next, hooks);
      }

      if (!startLength && hooks) {
        hooks.empty.fire();
      }
    },
    // Not public - generate a queueHooks object, or return the current one
    _queueHooks: function (elem, type) {
      var key = type + "queueHooks";
      return dataPriv.get(elem, key) || dataPriv.access(elem, key, {
        empty: jQuery.Callbacks("once memory").add(function () {
          dataPriv.remove(elem, [type + "queue", key]);
        })
      });
    }
  });
  jQuery.fn.extend({
    queue: function (type, data) {
      var setter = 2;

      if (typeof type !== "string") {
        data = type;
        type = "fx";
        setter--;
      }

      if (arguments.length < setter) {
        return jQuery.queue(this[0], type);
      }

      return data === undefined ? this : this.each(function () {
        var queue = jQuery.queue(this, type, data); // Ensure a hooks for this queue

        jQuery._queueHooks(this, type);

        if (type === "fx" && queue[0] !== "inprogress") {
          jQuery.dequeue(this, type);
        }
      });
    },
    dequeue: function (type) {
      return this.each(function () {
        jQuery.dequeue(this, type);
      });
    },
    clearQueue: function (type) {
      return this.queue(type || "fx", []);
    },
    // Get a promise resolved when queues of a certain type
    // are emptied (fx is the type by default)
    promise: function (type, obj) {
      var tmp,
          count = 1,
          defer = jQuery.Deferred(),
          elements = this,
          i = this.length,
          resolve = function () {
        if (! --count) {
          defer.resolveWith(elements, [elements]);
        }
      };

      if (typeof type !== "string") {
        obj = type;
        type = undefined;
      }

      type = type || "fx";

      while (i--) {
        tmp = dataPriv.get(elements[i], type + "queueHooks");

        if (tmp && tmp.empty) {
          count++;
          tmp.empty.add(resolve);
        }
      }

      resolve();
      return defer.promise(obj);
    }
  });
  var pnum = /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/.source;
  var rcssNum = new RegExp("^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i");
  var cssExpand = ["Top", "Right", "Bottom", "Left"];
  var documentElement = document.documentElement;

  var isAttached = function (elem) {
    return jQuery.contains(elem.ownerDocument, elem);
  },
      composed = {
    composed: true
  }; // Support: IE 9 - 11+, Edge 12 - 18+, iOS 10.0 - 10.2 only
  // Check attachment across shadow DOM boundaries when possible (gh-3504)
  // Support: iOS 10.0-10.2 only
  // Early iOS 10 versions support `attachShadow` but not `getRootNode`,
  // leading to errors. We need to check for `getRootNode`.


  if (documentElement.getRootNode) {
    isAttached = function (elem) {
      return jQuery.contains(elem.ownerDocument, elem) || elem.getRootNode(composed) === elem.ownerDocument;
    };
  }

  var isHiddenWithinTree = function (elem, el) {
    // isHiddenWithinTree might be called from jQuery#filter function;
    // in that case, element will be second argument
    elem = el || elem; // Inline style trumps all

    return elem.style.display === "none" || elem.style.display === "" && // Otherwise, check computed style
    // Support: Firefox <=43 - 45
    // Disconnected elements can have computed display: none, so first confirm that elem is
    // in the document.
    isAttached(elem) && jQuery.css(elem, "display") === "none";
  };

  function adjustCSS(elem, prop, valueParts, tween) {
    var adjusted,
        scale,
        maxIterations = 20,
        currentValue = tween ? function () {
      return tween.cur();
    } : function () {
      return jQuery.css(elem, prop, "");
    },
        initial = currentValue(),
        unit = valueParts && valueParts[3] || (jQuery.cssNumber[prop] ? "" : "px"),
        // Starting value computation is required for potential unit mismatches
    initialInUnit = elem.nodeType && (jQuery.cssNumber[prop] || unit !== "px" && +initial) && rcssNum.exec(jQuery.css(elem, prop));

    if (initialInUnit && initialInUnit[3] !== unit) {
      // Support: Firefox <=54
      // Halve the iteration target value to prevent interference from CSS upper bounds (gh-2144)
      initial = initial / 2; // Trust units reported by jQuery.css

      unit = unit || initialInUnit[3]; // Iteratively approximate from a nonzero starting point

      initialInUnit = +initial || 1;

      while (maxIterations--) {
        // Evaluate and update our best guess (doubling guesses that zero out).
        // Finish if the scale equals or crosses 1 (making the old*new product non-positive).
        jQuery.style(elem, prop, initialInUnit + unit);

        if ((1 - scale) * (1 - (scale = currentValue() / initial || 0.5)) <= 0) {
          maxIterations = 0;
        }

        initialInUnit = initialInUnit / scale;
      }

      initialInUnit = initialInUnit * 2;
      jQuery.style(elem, prop, initialInUnit + unit); // Make sure we update the tween properties later on

      valueParts = valueParts || [];
    }

    if (valueParts) {
      initialInUnit = +initialInUnit || +initial || 0; // Apply relative offset (+=/-=) if specified

      adjusted = valueParts[1] ? initialInUnit + (valueParts[1] + 1) * valueParts[2] : +valueParts[2];

      if (tween) {
        tween.unit = unit;
        tween.start = initialInUnit;
        tween.end = adjusted;
      }
    }

    return adjusted;
  }

  var defaultDisplayMap = {};

  function getDefaultDisplay(elem) {
    var temp,
        doc = elem.ownerDocument,
        nodeName = elem.nodeName,
        display = defaultDisplayMap[nodeName];

    if (display) {
      return display;
    }

    temp = doc.body.appendChild(doc.createElement(nodeName));
    display = jQuery.css(temp, "display");
    temp.parentNode.removeChild(temp);

    if (display === "none") {
      display = "block";
    }

    defaultDisplayMap[nodeName] = display;
    return display;
  }

  function showHide(elements, show) {
    var display,
        elem,
        values = [],
        index = 0,
        length = elements.length; // Determine new display value for elements that need to change

    for (; index < length; index++) {
      elem = elements[index];

      if (!elem.style) {
        continue;
      }

      display = elem.style.display;

      if (show) {
        // Since we force visibility upon cascade-hidden elements, an immediate (and slow)
        // check is required in this first loop unless we have a nonempty display value (either
        // inline or about-to-be-restored)
        if (display === "none") {
          values[index] = dataPriv.get(elem, "display") || null;

          if (!values[index]) {
            elem.style.display = "";
          }
        }

        if (elem.style.display === "" && isHiddenWithinTree(elem)) {
          values[index] = getDefaultDisplay(elem);
        }
      } else {
        if (display !== "none") {
          values[index] = "none"; // Remember what we're overwriting

          dataPriv.set(elem, "display", display);
        }
      }
    } // Set the display of the elements in a second loop to avoid constant reflow


    for (index = 0; index < length; index++) {
      if (values[index] != null) {
        elements[index].style.display = values[index];
      }
    }

    return elements;
  }

  jQuery.fn.extend({
    show: function () {
      return showHide(this, true);
    },
    hide: function () {
      return showHide(this);
    },
    toggle: function (state) {
      if (typeof state === "boolean") {
        return state ? this.show() : this.hide();
      }

      return this.each(function () {
        if (isHiddenWithinTree(this)) {
          jQuery(this).show();
        } else {
          jQuery(this).hide();
        }
      });
    }
  });
  var rcheckableType = /^(?:checkbox|radio)$/i;
  var rtagName = /<([a-z][^\/\0>\x20\t\r\n\f]*)/i;
  var rscriptType = /^$|^module$|\/(?:java|ecma)script/i;

  (function () {
    var fragment = document.createDocumentFragment(),
        div = fragment.appendChild(document.createElement("div")),
        input = document.createElement("input"); // Support: Android 4.0 - 4.3 only
    // Check state lost if the name is set (#11217)
    // Support: Windows Web Apps (WWA)
    // `name` and `type` must use .setAttribute for WWA (#14901)

    input.setAttribute("type", "radio");
    input.setAttribute("checked", "checked");
    input.setAttribute("name", "t");
    div.appendChild(input); // Support: Android <=4.1 only
    // Older WebKit doesn't clone checked state correctly in fragments

    support.checkClone = div.cloneNode(true).cloneNode(true).lastChild.checked; // Support: IE <=11 only
    // Make sure textarea (and checkbox) defaultValue is properly cloned

    div.innerHTML = "<textarea>x</textarea>";
    support.noCloneChecked = !!div.cloneNode(true).lastChild.defaultValue; // Support: IE <=9 only
    // IE <=9 replaces <option> tags with their contents when inserted outside of
    // the select element.

    div.innerHTML = "<option></option>";
    support.option = !!div.lastChild;
  })(); // We have to close these tags to support XHTML (#13200)


  var wrapMap = {
    // XHTML parsers do not magically insert elements in the
    // same way that tag soup parsers do. So we cannot shorten
    // this by omitting <tbody> or other required elements.
    thead: [1, "<table>", "</table>"],
    col: [2, "<table><colgroup>", "</colgroup></table>"],
    tr: [2, "<table><tbody>", "</tbody></table>"],
    td: [3, "<table><tbody><tr>", "</tr></tbody></table>"],
    _default: [0, "", ""]
  };
  wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
  wrapMap.th = wrapMap.td; // Support: IE <=9 only

  if (!support.option) {
    wrapMap.optgroup = wrapMap.option = [1, "<select multiple='multiple'>", "</select>"];
  }

  function getAll(context, tag) {
    // Support: IE <=9 - 11 only
    // Use typeof to avoid zero-argument method invocation on host objects (#15151)
    var ret;

    if (typeof context.getElementsByTagName !== "undefined") {
      ret = context.getElementsByTagName(tag || "*");
    } else if (typeof context.querySelectorAll !== "undefined") {
      ret = context.querySelectorAll(tag || "*");
    } else {
      ret = [];
    }

    if (tag === undefined || tag && nodeName(context, tag)) {
      return jQuery.merge([context], ret);
    }

    return ret;
  } // Mark scripts as having already been evaluated


  function setGlobalEval(elems, refElements) {
    var i = 0,
        l = elems.length;

    for (; i < l; i++) {
      dataPriv.set(elems[i], "globalEval", !refElements || dataPriv.get(refElements[i], "globalEval"));
    }
  }

  var rhtml = /<|&#?\w+;/;

  function buildFragment(elems, context, scripts, selection, ignored) {
    var elem,
        tmp,
        tag,
        wrap,
        attached,
        j,
        fragment = context.createDocumentFragment(),
        nodes = [],
        i = 0,
        l = elems.length;

    for (; i < l; i++) {
      elem = elems[i];

      if (elem || elem === 0) {
        // Add nodes directly
        if (toType(elem) === "object") {
          // Support: Android <=4.0 only, PhantomJS 1 only
          // push.apply(_, arraylike) throws on ancient WebKit
          jQuery.merge(nodes, elem.nodeType ? [elem] : elem); // Convert non-html into a text node
        } else if (!rhtml.test(elem)) {
          nodes.push(context.createTextNode(elem)); // Convert html into DOM nodes
        } else {
          tmp = tmp || fragment.appendChild(context.createElement("div")); // Deserialize a standard representation

          tag = (rtagName.exec(elem) || ["", ""])[1].toLowerCase();
          wrap = wrapMap[tag] || wrapMap._default;
          tmp.innerHTML = wrap[1] + jQuery.htmlPrefilter(elem) + wrap[2]; // Descend through wrappers to the right content

          j = wrap[0];

          while (j--) {
            tmp = tmp.lastChild;
          } // Support: Android <=4.0 only, PhantomJS 1 only
          // push.apply(_, arraylike) throws on ancient WebKit


          jQuery.merge(nodes, tmp.childNodes); // Remember the top-level container

          tmp = fragment.firstChild; // Ensure the created nodes are orphaned (#12392)

          tmp.textContent = "";
        }
      }
    } // Remove wrapper from fragment


    fragment.textContent = "";
    i = 0;

    while (elem = nodes[i++]) {
      // Skip elements already in the context collection (trac-4087)
      if (selection && jQuery.inArray(elem, selection) > -1) {
        if (ignored) {
          ignored.push(elem);
        }

        continue;
      }

      attached = isAttached(elem); // Append to fragment

      tmp = getAll(fragment.appendChild(elem), "script"); // Preserve script evaluation history

      if (attached) {
        setGlobalEval(tmp);
      } // Capture executables


      if (scripts) {
        j = 0;

        while (elem = tmp[j++]) {
          if (rscriptType.test(elem.type || "")) {
            scripts.push(elem);
          }
        }
      }
    }

    return fragment;
  }

  var rtypenamespace = /^([^.]*)(?:\.(.+)|)/;

  function returnTrue() {
    return true;
  }

  function returnFalse() {
    return false;
  } // Support: IE <=9 - 11+
  // focus() and blur() are asynchronous, except when they are no-op.
  // So expect focus to be synchronous when the element is already active,
  // and blur to be synchronous when the element is not already active.
  // (focus and blur are always synchronous in other supported browsers,
  // this just defines when we can count on it).


  function expectSync(elem, type) {
    return elem === safeActiveElement() === (type === "focus");
  } // Support: IE <=9 only
  // Accessing document.activeElement can throw unexpectedly
  // https://bugs.jquery.com/ticket/13393


  function safeActiveElement() {
    try {
      return document.activeElement;
    } catch (err) {}
  }

  function on(elem, types, selector, data, fn, one) {
    var origFn, type; // Types can be a map of types/handlers

    if (typeof types === "object") {
      // ( types-Object, selector, data )
      if (typeof selector !== "string") {
        // ( types-Object, data )
        data = data || selector;
        selector = undefined;
      }

      for (type in types) {
        on(elem, type, selector, data, types[type], one);
      }

      return elem;
    }

    if (data == null && fn == null) {
      // ( types, fn )
      fn = selector;
      data = selector = undefined;
    } else if (fn == null) {
      if (typeof selector === "string") {
        // ( types, selector, fn )
        fn = data;
        data = undefined;
      } else {
        // ( types, data, fn )
        fn = data;
        data = selector;
        selector = undefined;
      }
    }

    if (fn === false) {
      fn = returnFalse;
    } else if (!fn) {
      return elem;
    }

    if (one === 1) {
      origFn = fn;

      fn = function (event) {
        // Can use an empty set, since event contains the info
        jQuery().off(event);
        return origFn.apply(this, arguments);
      }; // Use same guid so caller can remove using origFn


      fn.guid = origFn.guid || (origFn.guid = jQuery.guid++);
    }

    return elem.each(function () {
      jQuery.event.add(this, types, fn, data, selector);
    });
  }
  /*
   * Helper functions for managing events -- not part of the public interface.
   * Props to Dean Edwards' addEvent library for many of the ideas.
   */


  jQuery.event = {
    global: {},
    add: function (elem, types, handler, data, selector) {
      var handleObjIn,
          eventHandle,
          tmp,
          events,
          t,
          handleObj,
          special,
          handlers,
          type,
          namespaces,
          origType,
          elemData = dataPriv.get(elem); // Only attach events to objects that accept data

      if (!acceptData(elem)) {
        return;
      } // Caller can pass in an object of custom data in lieu of the handler


      if (handler.handler) {
        handleObjIn = handler;
        handler = handleObjIn.handler;
        selector = handleObjIn.selector;
      } // Ensure that invalid selectors throw exceptions at attach time
      // Evaluate against documentElement in case elem is a non-element node (e.g., document)


      if (selector) {
        jQuery.find.matchesSelector(documentElement, selector);
      } // Make sure that the handler has a unique ID, used to find/remove it later


      if (!handler.guid) {
        handler.guid = jQuery.guid++;
      } // Init the element's event structure and main handler, if this is the first


      if (!(events = elemData.events)) {
        events = elemData.events = Object.create(null);
      }

      if (!(eventHandle = elemData.handle)) {
        eventHandle = elemData.handle = function (e) {
          // Discard the second event of a jQuery.event.trigger() and
          // when an event is called after a page has unloaded
          return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ? jQuery.event.dispatch.apply(elem, arguments) : undefined;
        };
      } // Handle multiple events separated by a space


      types = (types || "").match(rnothtmlwhite) || [""];
      t = types.length;

      while (t--) {
        tmp = rtypenamespace.exec(types[t]) || [];
        type = origType = tmp[1];
        namespaces = (tmp[2] || "").split(".").sort(); // There *must* be a type, no attaching namespace-only handlers

        if (!type) {
          continue;
        } // If event changes its type, use the special event handlers for the changed type


        special = jQuery.event.special[type] || {}; // If selector defined, determine special event api type, otherwise given type

        type = (selector ? special.delegateType : special.bindType) || type; // Update special based on newly reset type

        special = jQuery.event.special[type] || {}; // handleObj is passed to all event handlers

        handleObj = jQuery.extend({
          type: type,
          origType: origType,
          data: data,
          handler: handler,
          guid: handler.guid,
          selector: selector,
          needsContext: selector && jQuery.expr.match.needsContext.test(selector),
          namespace: namespaces.join(".")
        }, handleObjIn); // Init the event handler queue if we're the first

        if (!(handlers = events[type])) {
          handlers = events[type] = [];
          handlers.delegateCount = 0; // Only use addEventListener if the special events handler returns false

          if (!special.setup || special.setup.call(elem, data, namespaces, eventHandle) === false) {
            if (elem.addEventListener) {
              elem.addEventListener(type, eventHandle);
            }
          }
        }

        if (special.add) {
          special.add.call(elem, handleObj);

          if (!handleObj.handler.guid) {
            handleObj.handler.guid = handler.guid;
          }
        } // Add to the element's handler list, delegates in front


        if (selector) {
          handlers.splice(handlers.delegateCount++, 0, handleObj);
        } else {
          handlers.push(handleObj);
        } // Keep track of which events have ever been used, for event optimization


        jQuery.event.global[type] = true;
      }
    },
    // Detach an event or set of events from an element
    remove: function (elem, types, handler, selector, mappedTypes) {
      var j,
          origCount,
          tmp,
          events,
          t,
          handleObj,
          special,
          handlers,
          type,
          namespaces,
          origType,
          elemData = dataPriv.hasData(elem) && dataPriv.get(elem);

      if (!elemData || !(events = elemData.events)) {
        return;
      } // Once for each type.namespace in types; type may be omitted


      types = (types || "").match(rnothtmlwhite) || [""];
      t = types.length;

      while (t--) {
        tmp = rtypenamespace.exec(types[t]) || [];
        type = origType = tmp[1];
        namespaces = (tmp[2] || "").split(".").sort(); // Unbind all events (on this namespace, if provided) for the element

        if (!type) {
          for (type in events) {
            jQuery.event.remove(elem, type + types[t], handler, selector, true);
          }

          continue;
        }

        special = jQuery.event.special[type] || {};
        type = (selector ? special.delegateType : special.bindType) || type;
        handlers = events[type] || [];
        tmp = tmp[2] && new RegExp("(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)"); // Remove matching events

        origCount = j = handlers.length;

        while (j--) {
          handleObj = handlers[j];

          if ((mappedTypes || origType === handleObj.origType) && (!handler || handler.guid === handleObj.guid) && (!tmp || tmp.test(handleObj.namespace)) && (!selector || selector === handleObj.selector || selector === "**" && handleObj.selector)) {
            handlers.splice(j, 1);

            if (handleObj.selector) {
              handlers.delegateCount--;
            }

            if (special.remove) {
              special.remove.call(elem, handleObj);
            }
          }
        } // Remove generic event handler if we removed something and no more handlers exist
        // (avoids potential for endless recursion during removal of special event handlers)


        if (origCount && !handlers.length) {
          if (!special.teardown || special.teardown.call(elem, namespaces, elemData.handle) === false) {
            jQuery.removeEvent(elem, type, elemData.handle);
          }

          delete events[type];
        }
      } // Remove data and the expando if it's no longer used


      if (jQuery.isEmptyObject(events)) {
        dataPriv.remove(elem, "handle events");
      }
    },
    dispatch: function (nativeEvent) {
      var i,
          j,
          ret,
          matched,
          handleObj,
          handlerQueue,
          args = new Array(arguments.length),
          // Make a writable jQuery.Event from the native event object
      event = jQuery.event.fix(nativeEvent),
          handlers = (dataPriv.get(this, "events") || Object.create(null))[event.type] || [],
          special = jQuery.event.special[event.type] || {}; // Use the fix-ed jQuery.Event rather than the (read-only) native event

      args[0] = event;

      for (i = 1; i < arguments.length; i++) {
        args[i] = arguments[i];
      }

      event.delegateTarget = this; // Call the preDispatch hook for the mapped type, and let it bail if desired

      if (special.preDispatch && special.preDispatch.call(this, event) === false) {
        return;
      } // Determine handlers


      handlerQueue = jQuery.event.handlers.call(this, event, handlers); // Run delegates first; they may want to stop propagation beneath us

      i = 0;

      while ((matched = handlerQueue[i++]) && !event.isPropagationStopped()) {
        event.currentTarget = matched.elem;
        j = 0;

        while ((handleObj = matched.handlers[j++]) && !event.isImmediatePropagationStopped()) {
          // If the event is namespaced, then each handler is only invoked if it is
          // specially universal or its namespaces are a superset of the event's.
          if (!event.rnamespace || handleObj.namespace === false || event.rnamespace.test(handleObj.namespace)) {
            event.handleObj = handleObj;
            event.data = handleObj.data;
            ret = ((jQuery.event.special[handleObj.origType] || {}).handle || handleObj.handler).apply(matched.elem, args);

            if (ret !== undefined) {
              if ((event.result = ret) === false) {
                event.preventDefault();
                event.stopPropagation();
              }
            }
          }
        }
      } // Call the postDispatch hook for the mapped type


      if (special.postDispatch) {
        special.postDispatch.call(this, event);
      }

      return event.result;
    },
    handlers: function (event, handlers) {
      var i,
          handleObj,
          sel,
          matchedHandlers,
          matchedSelectors,
          handlerQueue = [],
          delegateCount = handlers.delegateCount,
          cur = event.target; // Find delegate handlers

      if (delegateCount && // Support: IE <=9
      // Black-hole SVG <use> instance trees (trac-13180)
      cur.nodeType && // Support: Firefox <=42
      // Suppress spec-violating clicks indicating a non-primary pointer button (trac-3861)
      // https://www.w3.org/TR/DOM-Level-3-Events/#event-type-click
      // Support: IE 11 only
      // ...but not arrow key "clicks" of radio inputs, which can have `button` -1 (gh-2343)
      !(event.type === "click" && event.button >= 1)) {
        for (; cur !== this; cur = cur.parentNode || this) {
          // Don't check non-elements (#13208)
          // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
          if (cur.nodeType === 1 && !(event.type === "click" && cur.disabled === true)) {
            matchedHandlers = [];
            matchedSelectors = {};

            for (i = 0; i < delegateCount; i++) {
              handleObj = handlers[i]; // Don't conflict with Object.prototype properties (#13203)

              sel = handleObj.selector + " ";

              if (matchedSelectors[sel] === undefined) {
                matchedSelectors[sel] = handleObj.needsContext ? jQuery(sel, this).index(cur) > -1 : jQuery.find(sel, this, null, [cur]).length;
              }

              if (matchedSelectors[sel]) {
                matchedHandlers.push(handleObj);
              }
            }

            if (matchedHandlers.length) {
              handlerQueue.push({
                elem: cur,
                handlers: matchedHandlers
              });
            }
          }
        }
      } // Add the remaining (directly-bound) handlers


      cur = this;

      if (delegateCount < handlers.length) {
        handlerQueue.push({
          elem: cur,
          handlers: handlers.slice(delegateCount)
        });
      }

      return handlerQueue;
    },
    addProp: function (name, hook) {
      Object.defineProperty(jQuery.Event.prototype, name, {
        enumerable: true,
        configurable: true,
        get: isFunction(hook) ? function () {
          if (this.originalEvent) {
            return hook(this.originalEvent);
          }
        } : function () {
          if (this.originalEvent) {
            return this.originalEvent[name];
          }
        },
        set: function (value) {
          Object.defineProperty(this, name, {
            enumerable: true,
            configurable: true,
            writable: true,
            value: value
          });
        }
      });
    },
    fix: function (originalEvent) {
      return originalEvent[jQuery.expando] ? originalEvent : new jQuery.Event(originalEvent);
    },
    special: {
      load: {
        // Prevent triggered image.load events from bubbling to window.load
        noBubble: true
      },
      click: {
        // Utilize native event to ensure correct state for checkable inputs
        setup: function (data) {
          // For mutual compressibility with _default, replace `this` access with a local var.
          // `|| data` is dead code meant only to preserve the variable through minification.
          var el = this || data; // Claim the first handler

          if (rcheckableType.test(el.type) && el.click && nodeName(el, "input")) {
            // dataPriv.set( el, "click", ... )
            leverageNative(el, "click", returnTrue);
          } // Return false to allow normal processing in the caller


          return false;
        },
        trigger: function (data) {
          // For mutual compressibility with _default, replace `this` access with a local var.
          // `|| data` is dead code meant only to preserve the variable through minification.
          var el = this || data; // Force setup before triggering a click

          if (rcheckableType.test(el.type) && el.click && nodeName(el, "input")) {
            leverageNative(el, "click");
          } // Return non-false to allow normal event-path propagation


          return true;
        },
        // For cross-browser consistency, suppress native .click() on links
        // Also prevent it if we're currently inside a leveraged native-event stack
        _default: function (event) {
          var target = event.target;
          return rcheckableType.test(target.type) && target.click && nodeName(target, "input") && dataPriv.get(target, "click") || nodeName(target, "a");
        }
      },
      beforeunload: {
        postDispatch: function (event) {
          // Support: Firefox 20+
          // Firefox doesn't alert if the returnValue field is not set.
          if (event.result !== undefined && event.originalEvent) {
            event.originalEvent.returnValue = event.result;
          }
        }
      }
    }
  }; // Ensure the presence of an event listener that handles manually-triggered
  // synthetic events by interrupting progress until reinvoked in response to
  // *native* events that it fires directly, ensuring that state changes have
  // already occurred before other listeners are invoked.

  function leverageNative(el, type, expectSync) {
    // Missing expectSync indicates a trigger call, which must force setup through jQuery.event.add
    if (!expectSync) {
      if (dataPriv.get(el, type) === undefined) {
        jQuery.event.add(el, type, returnTrue);
      }

      return;
    } // Register the controller as a special universal handler for all event namespaces


    dataPriv.set(el, type, false);
    jQuery.event.add(el, type, {
      namespace: false,
      handler: function (event) {
        var notAsync,
            result,
            saved = dataPriv.get(this, type);

        if (event.isTrigger & 1 && this[type]) {
          // Interrupt processing of the outer synthetic .trigger()ed event
          // Saved data should be false in such cases, but might be a leftover capture object
          // from an async native handler (gh-4350)
          if (!saved.length) {
            // Store arguments for use when handling the inner native event
            // There will always be at least one argument (an event object), so this array
            // will not be confused with a leftover capture object.
            saved = slice.call(arguments);
            dataPriv.set(this, type, saved); // Trigger the native event and capture its result
            // Support: IE <=9 - 11+
            // focus() and blur() are asynchronous

            notAsync = expectSync(this, type);
            this[type]();
            result = dataPriv.get(this, type);

            if (saved !== result || notAsync) {
              dataPriv.set(this, type, false);
            } else {
              result = {};
            }

            if (saved !== result) {
              // Cancel the outer synthetic event
              event.stopImmediatePropagation();
              event.preventDefault(); // Support: Chrome 86+
              // In Chrome, if an element having a focusout handler is blurred by
              // clicking outside of it, it invokes the handler synchronously. If
              // that handler calls `.remove()` on the element, the data is cleared,
              // leaving `result` undefined. We need to guard against this.

              return result && result.value;
            } // If this is an inner synthetic event for an event with a bubbling surrogate
            // (focus or blur), assume that the surrogate already propagated from triggering the
            // native event and prevent that from happening again here.
            // This technically gets the ordering wrong w.r.t. to `.trigger()` (in which the
            // bubbling surrogate propagates *after* the non-bubbling base), but that seems
            // less bad than duplication.

          } else if ((jQuery.event.special[type] || {}).delegateType) {
            event.stopPropagation();
          } // If this is a native event triggered above, everything is now in order
          // Fire an inner synthetic event with the original arguments

        } else if (saved.length) {
          // ...and capture the result
          dataPriv.set(this, type, {
            value: jQuery.event.trigger( // Support: IE <=9 - 11+
            // Extend with the prototype to reset the above stopImmediatePropagation()
            jQuery.extend(saved[0], jQuery.Event.prototype), saved.slice(1), this)
          }); // Abort handling of the native event

          event.stopImmediatePropagation();
        }
      }
    });
  }

  jQuery.removeEvent = function (elem, type, handle) {
    // This "if" is needed for plain objects
    if (elem.removeEventListener) {
      elem.removeEventListener(type, handle);
    }
  };

  jQuery.Event = function (src, props) {
    // Allow instantiation without the 'new' keyword
    if (!(this instanceof jQuery.Event)) {
      return new jQuery.Event(src, props);
    } // Event object


    if (src && src.type) {
      this.originalEvent = src;
      this.type = src.type; // Events bubbling up the document may have been marked as prevented
      // by a handler lower down the tree; reflect the correct value.

      this.isDefaultPrevented = src.defaultPrevented || src.defaultPrevented === undefined && // Support: Android <=2.3 only
      src.returnValue === false ? returnTrue : returnFalse; // Create target properties
      // Support: Safari <=6 - 7 only
      // Target should not be a text node (#504, #13143)

      this.target = src.target && src.target.nodeType === 3 ? src.target.parentNode : src.target;
      this.currentTarget = src.currentTarget;
      this.relatedTarget = src.relatedTarget; // Event type
    } else {
      this.type = src;
    } // Put explicitly provided properties onto the event object


    if (props) {
      jQuery.extend(this, props);
    } // Create a timestamp if incoming event doesn't have one


    this.timeStamp = src && src.timeStamp || Date.now(); // Mark it as fixed

    this[jQuery.expando] = true;
  }; // jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
  // https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html


  jQuery.Event.prototype = {
    constructor: jQuery.Event,
    isDefaultPrevented: returnFalse,
    isPropagationStopped: returnFalse,
    isImmediatePropagationStopped: returnFalse,
    isSimulated: false,
    preventDefault: function () {
      var e = this.originalEvent;
      this.isDefaultPrevented = returnTrue;

      if (e && !this.isSimulated) {
        e.preventDefault();
      }
    },
    stopPropagation: function () {
      var e = this.originalEvent;
      this.isPropagationStopped = returnTrue;

      if (e && !this.isSimulated) {
        e.stopPropagation();
      }
    },
    stopImmediatePropagation: function () {
      var e = this.originalEvent;
      this.isImmediatePropagationStopped = returnTrue;

      if (e && !this.isSimulated) {
        e.stopImmediatePropagation();
      }

      this.stopPropagation();
    }
  }; // Includes all common event props including KeyEvent and MouseEvent specific props

  jQuery.each({
    altKey: true,
    bubbles: true,
    cancelable: true,
    changedTouches: true,
    ctrlKey: true,
    detail: true,
    eventPhase: true,
    metaKey: true,
    pageX: true,
    pageY: true,
    shiftKey: true,
    view: true,
    "char": true,
    code: true,
    charCode: true,
    key: true,
    keyCode: true,
    button: true,
    buttons: true,
    clientX: true,
    clientY: true,
    offsetX: true,
    offsetY: true,
    pointerId: true,
    pointerType: true,
    screenX: true,
    screenY: true,
    targetTouches: true,
    toElement: true,
    touches: true,
    which: true
  }, jQuery.event.addProp);
  jQuery.each({
    focus: "focusin",
    blur: "focusout"
  }, function (type, delegateType) {
    jQuery.event.special[type] = {
      // Utilize native event if possible so blur/focus sequence is correct
      setup: function () {
        // Claim the first handler
        // dataPriv.set( this, "focus", ... )
        // dataPriv.set( this, "blur", ... )
        leverageNative(this, type, expectSync); // Return false to allow normal processing in the caller

        return false;
      },
      trigger: function () {
        // Force setup before trigger
        leverageNative(this, type); // Return non-false to allow normal event-path propagation

        return true;
      },
      // Suppress native focus or blur as it's already being fired
      // in leverageNative.
      _default: function () {
        return true;
      },
      delegateType: delegateType
    };
  }); // Create mouseenter/leave events using mouseover/out and event-time checks
  // so that event delegation works in jQuery.
  // Do the same for pointerenter/pointerleave and pointerover/pointerout
  //
  // Support: Safari 7 only
  // Safari sends mouseenter too often; see:
  // https://bugs.chromium.org/p/chromium/issues/detail?id=470258
  // for the description of the bug (it existed in older Chrome versions as well).

  jQuery.each({
    mouseenter: "mouseover",
    mouseleave: "mouseout",
    pointerenter: "pointerover",
    pointerleave: "pointerout"
  }, function (orig, fix) {
    jQuery.event.special[orig] = {
      delegateType: fix,
      bindType: fix,
      handle: function (event) {
        var ret,
            target = this,
            related = event.relatedTarget,
            handleObj = event.handleObj; // For mouseenter/leave call the handler if related is outside the target.
        // NB: No relatedTarget if the mouse left/entered the browser window

        if (!related || related !== target && !jQuery.contains(target, related)) {
          event.type = handleObj.origType;
          ret = handleObj.handler.apply(this, arguments);
          event.type = fix;
        }

        return ret;
      }
    };
  });
  jQuery.fn.extend({
    on: function (types, selector, data, fn) {
      return on(this, types, selector, data, fn);
    },
    one: function (types, selector, data, fn) {
      return on(this, types, selector, data, fn, 1);
    },
    off: function (types, selector, fn) {
      var handleObj, type;

      if (types && types.preventDefault && types.handleObj) {
        // ( event )  dispatched jQuery.Event
        handleObj = types.handleObj;
        jQuery(types.delegateTarget).off(handleObj.namespace ? handleObj.origType + "." + handleObj.namespace : handleObj.origType, handleObj.selector, handleObj.handler);
        return this;
      }

      if (typeof types === "object") {
        // ( types-object [, selector] )
        for (type in types) {
          this.off(type, selector, types[type]);
        }

        return this;
      }

      if (selector === false || typeof selector === "function") {
        // ( types [, fn] )
        fn = selector;
        selector = undefined;
      }

      if (fn === false) {
        fn = returnFalse;
      }

      return this.each(function () {
        jQuery.event.remove(this, types, fn, selector);
      });
    }
  });
  var // Support: IE <=10 - 11, Edge 12 - 13 only
  // In IE/Edge using regex groups here causes severe slowdowns.
  // See https://connect.microsoft.com/IE/feedback/details/1736512/
  rnoInnerhtml = /<script|<style|<link/i,
      // checked="checked" or checked
  rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
      rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g; // Prefer a tbody over its parent table for containing new rows

  function manipulationTarget(elem, content) {
    if (nodeName(elem, "table") && nodeName(content.nodeType !== 11 ? content : content.firstChild, "tr")) {
      return jQuery(elem).children("tbody")[0] || elem;
    }

    return elem;
  } // Replace/restore the type attribute of script elements for safe DOM manipulation


  function disableScript(elem) {
    elem.type = (elem.getAttribute("type") !== null) + "/" + elem.type;
    return elem;
  }

  function restoreScript(elem) {
    if ((elem.type || "").slice(0, 5) === "true/") {
      elem.type = elem.type.slice(5);
    } else {
      elem.removeAttribute("type");
    }

    return elem;
  }

  function cloneCopyEvent(src, dest) {
    var i, l, type, pdataOld, udataOld, udataCur, events;

    if (dest.nodeType !== 1) {
      return;
    } // 1. Copy private data: events, handlers, etc.


    if (dataPriv.hasData(src)) {
      pdataOld = dataPriv.get(src);
      events = pdataOld.events;

      if (events) {
        dataPriv.remove(dest, "handle events");

        for (type in events) {
          for (i = 0, l = events[type].length; i < l; i++) {
            jQuery.event.add(dest, type, events[type][i]);
          }
        }
      }
    } // 2. Copy user data


    if (dataUser.hasData(src)) {
      udataOld = dataUser.access(src);
      udataCur = jQuery.extend({}, udataOld);
      dataUser.set(dest, udataCur);
    }
  } // Fix IE bugs, see support tests


  function fixInput(src, dest) {
    var nodeName = dest.nodeName.toLowerCase(); // Fails to persist the checked state of a cloned checkbox or radio button.

    if (nodeName === "input" && rcheckableType.test(src.type)) {
      dest.checked = src.checked; // Fails to return the selected option to the default selected state when cloning options
    } else if (nodeName === "input" || nodeName === "textarea") {
      dest.defaultValue = src.defaultValue;
    }
  }

  function domManip(collection, args, callback, ignored) {
    // Flatten any nested arrays
    args = flat(args);
    var fragment,
        first,
        scripts,
        hasScripts,
        node,
        doc,
        i = 0,
        l = collection.length,
        iNoClone = l - 1,
        value = args[0],
        valueIsFunction = isFunction(value); // We can't cloneNode fragments that contain checked, in WebKit

    if (valueIsFunction || l > 1 && typeof value === "string" && !support.checkClone && rchecked.test(value)) {
      return collection.each(function (index) {
        var self = collection.eq(index);

        if (valueIsFunction) {
          args[0] = value.call(this, index, self.html());
        }

        domManip(self, args, callback, ignored);
      });
    }

    if (l) {
      fragment = buildFragment(args, collection[0].ownerDocument, false, collection, ignored);
      first = fragment.firstChild;

      if (fragment.childNodes.length === 1) {
        fragment = first;
      } // Require either new content or an interest in ignored elements to invoke the callback


      if (first || ignored) {
        scripts = jQuery.map(getAll(fragment, "script"), disableScript);
        hasScripts = scripts.length; // Use the original fragment for the last item
        // instead of the first because it can end up
        // being emptied incorrectly in certain situations (#8070).

        for (; i < l; i++) {
          node = fragment;

          if (i !== iNoClone) {
            node = jQuery.clone(node, true, true); // Keep references to cloned scripts for later restoration

            if (hasScripts) {
              // Support: Android <=4.0 only, PhantomJS 1 only
              // push.apply(_, arraylike) throws on ancient WebKit
              jQuery.merge(scripts, getAll(node, "script"));
            }
          }

          callback.call(collection[i], node, i);
        }

        if (hasScripts) {
          doc = scripts[scripts.length - 1].ownerDocument; // Reenable scripts

          jQuery.map(scripts, restoreScript); // Evaluate executable scripts on first document insertion

          for (i = 0; i < hasScripts; i++) {
            node = scripts[i];

            if (rscriptType.test(node.type || "") && !dataPriv.access(node, "globalEval") && jQuery.contains(doc, node)) {
              if (node.src && (node.type || "").toLowerCase() !== "module") {
                // Optional AJAX dependency, but won't run scripts if not present
                if (jQuery._evalUrl && !node.noModule) {
                  jQuery._evalUrl(node.src, {
                    nonce: node.nonce || node.getAttribute("nonce")
                  }, doc);
                }
              } else {
                DOMEval(node.textContent.replace(rcleanScript, ""), node, doc);
              }
            }
          }
        }
      }
    }

    return collection;
  }

  function remove(elem, selector, keepData) {
    var node,
        nodes = selector ? jQuery.filter(selector, elem) : elem,
        i = 0;

    for (; (node = nodes[i]) != null; i++) {
      if (!keepData && node.nodeType === 1) {
        jQuery.cleanData(getAll(node));
      }

      if (node.parentNode) {
        if (keepData && isAttached(node)) {
          setGlobalEval(getAll(node, "script"));
        }

        node.parentNode.removeChild(node);
      }
    }

    return elem;
  }

  jQuery.extend({
    htmlPrefilter: function (html) {
      return html;
    },
    clone: function (elem, dataAndEvents, deepDataAndEvents) {
      var i,
          l,
          srcElements,
          destElements,
          clone = elem.cloneNode(true),
          inPage = isAttached(elem); // Fix IE cloning issues

      if (!support.noCloneChecked && (elem.nodeType === 1 || elem.nodeType === 11) && !jQuery.isXMLDoc(elem)) {
        // We eschew Sizzle here for performance reasons: https://jsperf.com/getall-vs-sizzle/2
        destElements = getAll(clone);
        srcElements = getAll(elem);

        for (i = 0, l = srcElements.length; i < l; i++) {
          fixInput(srcElements[i], destElements[i]);
        }
      } // Copy the events from the original to the clone


      if (dataAndEvents) {
        if (deepDataAndEvents) {
          srcElements = srcElements || getAll(elem);
          destElements = destElements || getAll(clone);

          for (i = 0, l = srcElements.length; i < l; i++) {
            cloneCopyEvent(srcElements[i], destElements[i]);
          }
        } else {
          cloneCopyEvent(elem, clone);
        }
      } // Preserve script evaluation history


      destElements = getAll(clone, "script");

      if (destElements.length > 0) {
        setGlobalEval(destElements, !inPage && getAll(elem, "script"));
      } // Return the cloned set


      return clone;
    },
    cleanData: function (elems) {
      var data,
          elem,
          type,
          special = jQuery.event.special,
          i = 0;

      for (; (elem = elems[i]) !== undefined; i++) {
        if (acceptData(elem)) {
          if (data = elem[dataPriv.expando]) {
            if (data.events) {
              for (type in data.events) {
                if (special[type]) {
                  jQuery.event.remove(elem, type); // This is a shortcut to avoid jQuery.event.remove's overhead
                } else {
                  jQuery.removeEvent(elem, type, data.handle);
                }
              }
            } // Support: Chrome <=35 - 45+
            // Assign undefined instead of using delete, see Data#remove


            elem[dataPriv.expando] = undefined;
          }

          if (elem[dataUser.expando]) {
            // Support: Chrome <=35 - 45+
            // Assign undefined instead of using delete, see Data#remove
            elem[dataUser.expando] = undefined;
          }
        }
      }
    }
  });
  jQuery.fn.extend({
    detach: function (selector) {
      return remove(this, selector, true);
    },
    remove: function (selector) {
      return remove(this, selector);
    },
    text: function (value) {
      return access(this, function (value) {
        return value === undefined ? jQuery.text(this) : this.empty().each(function () {
          if (this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9) {
            this.textContent = value;
          }
        });
      }, null, value, arguments.length);
    },
    append: function () {
      return domManip(this, arguments, function (elem) {
        if (this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9) {
          var target = manipulationTarget(this, elem);
          target.appendChild(elem);
        }
      });
    },
    prepend: function () {
      return domManip(this, arguments, function (elem) {
        if (this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9) {
          var target = manipulationTarget(this, elem);
          target.insertBefore(elem, target.firstChild);
        }
      });
    },
    before: function () {
      return domManip(this, arguments, function (elem) {
        if (this.parentNode) {
          this.parentNode.insertBefore(elem, this);
        }
      });
    },
    after: function () {
      return domManip(this, arguments, function (elem) {
        if (this.parentNode) {
          this.parentNode.insertBefore(elem, this.nextSibling);
        }
      });
    },
    empty: function () {
      var elem,
          i = 0;

      for (; (elem = this[i]) != null; i++) {
        if (elem.nodeType === 1) {
          // Prevent memory leaks
          jQuery.cleanData(getAll(elem, false)); // Remove any remaining nodes

          elem.textContent = "";
        }
      }

      return this;
    },
    clone: function (dataAndEvents, deepDataAndEvents) {
      dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
      deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
      return this.map(function () {
        return jQuery.clone(this, dataAndEvents, deepDataAndEvents);
      });
    },
    html: function (value) {
      return access(this, function (value) {
        var elem = this[0] || {},
            i = 0,
            l = this.length;

        if (value === undefined && elem.nodeType === 1) {
          return elem.innerHTML;
        } // See if we can take a shortcut and just use innerHTML


        if (typeof value === "string" && !rnoInnerhtml.test(value) && !wrapMap[(rtagName.exec(value) || ["", ""])[1].toLowerCase()]) {
          value = jQuery.htmlPrefilter(value);

          try {
            for (; i < l; i++) {
              elem = this[i] || {}; // Remove element nodes and prevent memory leaks

              if (elem.nodeType === 1) {
                jQuery.cleanData(getAll(elem, false));
                elem.innerHTML = value;
              }
            }

            elem = 0; // If using innerHTML throws an exception, use the fallback method
          } catch (e) {}
        }

        if (elem) {
          this.empty().append(value);
        }
      }, null, value, arguments.length);
    },
    replaceWith: function () {
      var ignored = []; // Make the changes, replacing each non-ignored context element with the new content

      return domManip(this, arguments, function (elem) {
        var parent = this.parentNode;

        if (jQuery.inArray(this, ignored) < 0) {
          jQuery.cleanData(getAll(this));

          if (parent) {
            parent.replaceChild(elem, this);
          }
        } // Force callback invocation

      }, ignored);
    }
  });
  jQuery.each({
    appendTo: "append",
    prependTo: "prepend",
    insertBefore: "before",
    insertAfter: "after",
    replaceAll: "replaceWith"
  }, function (name, original) {
    jQuery.fn[name] = function (selector) {
      var elems,
          ret = [],
          insert = jQuery(selector),
          last = insert.length - 1,
          i = 0;

      for (; i <= last; i++) {
        elems = i === last ? this : this.clone(true);
        jQuery(insert[i])[original](elems); // Support: Android <=4.0 only, PhantomJS 1 only
        // .get() because push.apply(_, arraylike) throws on ancient WebKit

        push.apply(ret, elems.get());
      }

      return this.pushStack(ret);
    };
  });
  var rnumnonpx = new RegExp("^(" + pnum + ")(?!px)[a-z%]+$", "i");

  var getStyles = function (elem) {
    // Support: IE <=11 only, Firefox <=30 (#15098, #14150)
    // IE throws on elements created in popups
    // FF meanwhile throws on frame elements through "defaultView.getComputedStyle"
    var view = elem.ownerDocument.defaultView;

    if (!view || !view.opener) {
      view = window;
    }

    return view.getComputedStyle(elem);
  };

  var swap = function (elem, options, callback) {
    var ret,
        name,
        old = {}; // Remember the old values, and insert the new ones

    for (name in options) {
      old[name] = elem.style[name];
      elem.style[name] = options[name];
    }

    ret = callback.call(elem); // Revert the old values

    for (name in options) {
      elem.style[name] = old[name];
    }

    return ret;
  };

  var rboxStyle = new RegExp(cssExpand.join("|"), "i");

  (function () {
    // Executing both pixelPosition & boxSizingReliable tests require only one layout
    // so they're executed at the same time to save the second computation.
    function computeStyleTests() {
      // This is a singleton, we need to execute it only once
      if (!div) {
        return;
      }

      container.style.cssText = "position:absolute;left:-11111px;width:60px;" + "margin-top:1px;padding:0;border:0";
      div.style.cssText = "position:relative;display:block;box-sizing:border-box;overflow:scroll;" + "margin:auto;border:1px;padding:1px;" + "width:60%;top:1%";
      documentElement.appendChild(container).appendChild(div);
      var divStyle = window.getComputedStyle(div);
      pixelPositionVal = divStyle.top !== "1%"; // Support: Android 4.0 - 4.3 only, Firefox <=3 - 44

      reliableMarginLeftVal = roundPixelMeasures(divStyle.marginLeft) === 12; // Support: Android 4.0 - 4.3 only, Safari <=9.1 - 10.1, iOS <=7.0 - 9.3
      // Some styles come back with percentage values, even though they shouldn't

      div.style.right = "60%";
      pixelBoxStylesVal = roundPixelMeasures(divStyle.right) === 36; // Support: IE 9 - 11 only
      // Detect misreporting of content dimensions for box-sizing:border-box elements

      boxSizingReliableVal = roundPixelMeasures(divStyle.width) === 36; // Support: IE 9 only
      // Detect overflow:scroll screwiness (gh-3699)
      // Support: Chrome <=64
      // Don't get tricked when zoom affects offsetWidth (gh-4029)

      div.style.position = "absolute";
      scrollboxSizeVal = roundPixelMeasures(div.offsetWidth / 3) === 12;
      documentElement.removeChild(container); // Nullify the div so it wouldn't be stored in the memory and
      // it will also be a sign that checks already performed

      div = null;
    }

    function roundPixelMeasures(measure) {
      return Math.round(parseFloat(measure));
    }

    var pixelPositionVal,
        boxSizingReliableVal,
        scrollboxSizeVal,
        pixelBoxStylesVal,
        reliableTrDimensionsVal,
        reliableMarginLeftVal,
        container = document.createElement("div"),
        div = document.createElement("div"); // Finish early in limited (non-browser) environments

    if (!div.style) {
      return;
    } // Support: IE <=9 - 11 only
    // Style of cloned element affects source element cloned (#8908)


    div.style.backgroundClip = "content-box";
    div.cloneNode(true).style.backgroundClip = "";
    support.clearCloneStyle = div.style.backgroundClip === "content-box";
    jQuery.extend(support, {
      boxSizingReliable: function () {
        computeStyleTests();
        return boxSizingReliableVal;
      },
      pixelBoxStyles: function () {
        computeStyleTests();
        return pixelBoxStylesVal;
      },
      pixelPosition: function () {
        computeStyleTests();
        return pixelPositionVal;
      },
      reliableMarginLeft: function () {
        computeStyleTests();
        return reliableMarginLeftVal;
      },
      scrollboxSize: function () {
        computeStyleTests();
        return scrollboxSizeVal;
      },
      // Support: IE 9 - 11+, Edge 15 - 18+
      // IE/Edge misreport `getComputedStyle` of table rows with width/height
      // set in CSS while `offset*` properties report correct values.
      // Behavior in IE 9 is more subtle than in newer versions & it passes
      // some versions of this test; make sure not to make it pass there!
      //
      // Support: Firefox 70+
      // Only Firefox includes border widths
      // in computed dimensions. (gh-4529)
      reliableTrDimensions: function () {
        var table, tr, trChild, trStyle;

        if (reliableTrDimensionsVal == null) {
          table = document.createElement("table");
          tr = document.createElement("tr");
          trChild = document.createElement("div");
          table.style.cssText = "position:absolute;left:-11111px;border-collapse:separate";
          tr.style.cssText = "border:1px solid"; // Support: Chrome 86+
          // Height set through cssText does not get applied.
          // Computed height then comes back as 0.

          tr.style.height = "1px";
          trChild.style.height = "9px"; // Support: Android 8 Chrome 86+
          // In our bodyBackground.html iframe,
          // display for all div elements is set to "inline",
          // which causes a problem only in Android 8 Chrome 86.
          // Ensuring the div is display: block
          // gets around this issue.

          trChild.style.display = "block";
          documentElement.appendChild(table).appendChild(tr).appendChild(trChild);
          trStyle = window.getComputedStyle(tr);
          reliableTrDimensionsVal = parseInt(trStyle.height, 10) + parseInt(trStyle.borderTopWidth, 10) + parseInt(trStyle.borderBottomWidth, 10) === tr.offsetHeight;
          documentElement.removeChild(table);
        }

        return reliableTrDimensionsVal;
      }
    });
  })();

  function curCSS(elem, name, computed) {
    var width,
        minWidth,
        maxWidth,
        ret,
        // Support: Firefox 51+
    // Retrieving style before computed somehow
    // fixes an issue with getting wrong values
    // on detached elements
    style = elem.style;
    computed = computed || getStyles(elem); // getPropertyValue is needed for:
    //   .css('filter') (IE 9 only, #12537)
    //   .css('--customProperty) (#3144)

    if (computed) {
      ret = computed.getPropertyValue(name) || computed[name];

      if (ret === "" && !isAttached(elem)) {
        ret = jQuery.style(elem, name);
      } // A tribute to the "awesome hack by Dean Edwards"
      // Android Browser returns percentage for some values,
      // but width seems to be reliably pixels.
      // This is against the CSSOM draft spec:
      // https://drafts.csswg.org/cssom/#resolved-values


      if (!support.pixelBoxStyles() && rnumnonpx.test(ret) && rboxStyle.test(name)) {
        // Remember the original values
        width = style.width;
        minWidth = style.minWidth;
        maxWidth = style.maxWidth; // Put in the new values to get a computed value out

        style.minWidth = style.maxWidth = style.width = ret;
        ret = computed.width; // Revert the changed values

        style.width = width;
        style.minWidth = minWidth;
        style.maxWidth = maxWidth;
      }
    }

    return ret !== undefined ? // Support: IE <=9 - 11 only
    // IE returns zIndex value as an integer.
    ret + "" : ret;
  }

  function addGetHookIf(conditionFn, hookFn) {
    // Define the hook, we'll check on the first run if it's really needed.
    return {
      get: function () {
        if (conditionFn()) {
          // Hook not needed (or it's not possible to use it due
          // to missing dependency), remove it.
          delete this.get;
          return;
        } // Hook needed; redefine it so that the support test is not executed again.


        return (this.get = hookFn).apply(this, arguments);
      }
    };
  }

  var cssPrefixes = ["Webkit", "Moz", "ms"],
      emptyStyle = document.createElement("div").style,
      vendorProps = {}; // Return a vendor-prefixed property or undefined

  function vendorPropName(name) {
    // Check for vendor prefixed names
    var capName = name[0].toUpperCase() + name.slice(1),
        i = cssPrefixes.length;

    while (i--) {
      name = cssPrefixes[i] + capName;

      if (name in emptyStyle) {
        return name;
      }
    }
  } // Return a potentially-mapped jQuery.cssProps or vendor prefixed property


  function finalPropName(name) {
    var final = jQuery.cssProps[name] || vendorProps[name];

    if (final) {
      return final;
    }

    if (name in emptyStyle) {
      return name;
    }

    return vendorProps[name] = vendorPropName(name) || name;
  }

  var // Swappable if display is none or starts with table
  // except "table", "table-cell", or "table-caption"
  // See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
  rdisplayswap = /^(none|table(?!-c[ea]).+)/,
      rcustomProp = /^--/,
      cssShow = {
    position: "absolute",
    visibility: "hidden",
    display: "block"
  },
      cssNormalTransform = {
    letterSpacing: "0",
    fontWeight: "400"
  };

  function setPositiveNumber(_elem, value, subtract) {
    // Any relative (+/-) values have already been
    // normalized at this point
    var matches = rcssNum.exec(value);
    return matches ? // Guard against undefined "subtract", e.g., when used as in cssHooks
    Math.max(0, matches[2] - (subtract || 0)) + (matches[3] || "px") : value;
  }

  function boxModelAdjustment(elem, dimension, box, isBorderBox, styles, computedVal) {
    var i = dimension === "width" ? 1 : 0,
        extra = 0,
        delta = 0; // Adjustment may not be necessary

    if (box === (isBorderBox ? "border" : "content")) {
      return 0;
    }

    for (; i < 4; i += 2) {
      // Both box models exclude margin
      if (box === "margin") {
        delta += jQuery.css(elem, box + cssExpand[i], true, styles);
      } // If we get here with a content-box, we're seeking "padding" or "border" or "margin"


      if (!isBorderBox) {
        // Add padding
        delta += jQuery.css(elem, "padding" + cssExpand[i], true, styles); // For "border" or "margin", add border

        if (box !== "padding") {
          delta += jQuery.css(elem, "border" + cssExpand[i] + "Width", true, styles); // But still keep track of it otherwise
        } else {
          extra += jQuery.css(elem, "border" + cssExpand[i] + "Width", true, styles);
        } // If we get here with a border-box (content + padding + border), we're seeking "content" or
        // "padding" or "margin"

      } else {
        // For "content", subtract padding
        if (box === "content") {
          delta -= jQuery.css(elem, "padding" + cssExpand[i], true, styles);
        } // For "content" or "padding", subtract border


        if (box !== "margin") {
          delta -= jQuery.css(elem, "border" + cssExpand[i] + "Width", true, styles);
        }
      }
    } // Account for positive content-box scroll gutter when requested by providing computedVal


    if (!isBorderBox && computedVal >= 0) {
      // offsetWidth/offsetHeight is a rounded sum of content, padding, scroll gutter, and border
      // Assuming integer scroll gutter, subtract the rest and round down
      delta += Math.max(0, Math.ceil(elem["offset" + dimension[0].toUpperCase() + dimension.slice(1)] - computedVal - delta - extra - 0.5 // If offsetWidth/offsetHeight is unknown, then we can't determine content-box scroll gutter
      // Use an explicit zero to avoid NaN (gh-3964)
      )) || 0;
    }

    return delta;
  }

  function getWidthOrHeight(elem, dimension, extra) {
    // Start with computed style
    var styles = getStyles(elem),
        // To avoid forcing a reflow, only fetch boxSizing if we need it (gh-4322).
    // Fake content-box until we know it's needed to know the true value.
    boxSizingNeeded = !support.boxSizingReliable() || extra,
        isBorderBox = boxSizingNeeded && jQuery.css(elem, "boxSizing", false, styles) === "border-box",
        valueIsBorderBox = isBorderBox,
        val = curCSS(elem, dimension, styles),
        offsetProp = "offset" + dimension[0].toUpperCase() + dimension.slice(1); // Support: Firefox <=54
    // Return a confounding non-pixel value or feign ignorance, as appropriate.

    if (rnumnonpx.test(val)) {
      if (!extra) {
        return val;
      }

      val = "auto";
    } // Support: IE 9 - 11 only
    // Use offsetWidth/offsetHeight for when box sizing is unreliable.
    // In those cases, the computed value can be trusted to be border-box.


    if ((!support.boxSizingReliable() && isBorderBox || // Support: IE 10 - 11+, Edge 15 - 18+
    // IE/Edge misreport `getComputedStyle` of table rows with width/height
    // set in CSS while `offset*` properties report correct values.
    // Interestingly, in some cases IE 9 doesn't suffer from this issue.
    !support.reliableTrDimensions() && nodeName(elem, "tr") || // Fall back to offsetWidth/offsetHeight when value is "auto"
    // This happens for inline elements with no explicit setting (gh-3571)
    val === "auto" || // Support: Android <=4.1 - 4.3 only
    // Also use offsetWidth/offsetHeight for misreported inline dimensions (gh-3602)
    !parseFloat(val) && jQuery.css(elem, "display", false, styles) === "inline") && // Make sure the element is visible & connected
    elem.getClientRects().length) {
      isBorderBox = jQuery.css(elem, "boxSizing", false, styles) === "border-box"; // Where available, offsetWidth/offsetHeight approximate border box dimensions.
      // Where not available (e.g., SVG), assume unreliable box-sizing and interpret the
      // retrieved value as a content box dimension.

      valueIsBorderBox = offsetProp in elem;

      if (valueIsBorderBox) {
        val = elem[offsetProp];
      }
    } // Normalize "" and auto


    val = parseFloat(val) || 0; // Adjust for the element's box model

    return val + boxModelAdjustment(elem, dimension, extra || (isBorderBox ? "border" : "content"), valueIsBorderBox, styles, // Provide the current computed size to request scroll gutter calculation (gh-3589)
    val) + "px";
  }

  jQuery.extend({
    // Add in style property hooks for overriding the default
    // behavior of getting and setting a style property
    cssHooks: {
      opacity: {
        get: function (elem, computed) {
          if (computed) {
            // We should always get a number back from opacity
            var ret = curCSS(elem, "opacity");
            return ret === "" ? "1" : ret;
          }
        }
      }
    },
    // Don't automatically add "px" to these possibly-unitless properties
    cssNumber: {
      "animationIterationCount": true,
      "columnCount": true,
      "fillOpacity": true,
      "flexGrow": true,
      "flexShrink": true,
      "fontWeight": true,
      "gridArea": true,
      "gridColumn": true,
      "gridColumnEnd": true,
      "gridColumnStart": true,
      "gridRow": true,
      "gridRowEnd": true,
      "gridRowStart": true,
      "lineHeight": true,
      "opacity": true,
      "order": true,
      "orphans": true,
      "widows": true,
      "zIndex": true,
      "zoom": true
    },
    // Add in properties whose names you wish to fix before
    // setting or getting the value
    cssProps: {},
    // Get and set the style property on a DOM Node
    style: function (elem, name, value, extra) {
      // Don't set styles on text and comment nodes
      if (!elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style) {
        return;
      } // Make sure that we're working with the right name


      var ret,
          type,
          hooks,
          origName = camelCase(name),
          isCustomProp = rcustomProp.test(name),
          style = elem.style; // Make sure that we're working with the right name. We don't
      // want to query the value if it is a CSS custom property
      // since they are user-defined.

      if (!isCustomProp) {
        name = finalPropName(origName);
      } // Gets hook for the prefixed version, then unprefixed version


      hooks = jQuery.cssHooks[name] || jQuery.cssHooks[origName]; // Check if we're setting a value

      if (value !== undefined) {
        type = typeof value; // Convert "+=" or "-=" to relative numbers (#7345)

        if (type === "string" && (ret = rcssNum.exec(value)) && ret[1]) {
          value = adjustCSS(elem, name, ret); // Fixes bug #9237

          type = "number";
        } // Make sure that null and NaN values aren't set (#7116)


        if (value == null || value !== value) {
          return;
        } // If a number was passed in, add the unit (except for certain CSS properties)
        // The isCustomProp check can be removed in jQuery 4.0 when we only auto-append
        // "px" to a few hardcoded values.


        if (type === "number" && !isCustomProp) {
          value += ret && ret[3] || (jQuery.cssNumber[origName] ? "" : "px");
        } // background-* props affect original clone's values


        if (!support.clearCloneStyle && value === "" && name.indexOf("background") === 0) {
          style[name] = "inherit";
        } // If a hook was provided, use that value, otherwise just set the specified value


        if (!hooks || !("set" in hooks) || (value = hooks.set(elem, value, extra)) !== undefined) {
          if (isCustomProp) {
            style.setProperty(name, value);
          } else {
            style[name] = value;
          }
        }
      } else {
        // If a hook was provided get the non-computed value from there
        if (hooks && "get" in hooks && (ret = hooks.get(elem, false, extra)) !== undefined) {
          return ret;
        } // Otherwise just get the value from the style object


        return style[name];
      }
    },
    css: function (elem, name, extra, styles) {
      var val,
          num,
          hooks,
          origName = camelCase(name),
          isCustomProp = rcustomProp.test(name); // Make sure that we're working with the right name. We don't
      // want to modify the value if it is a CSS custom property
      // since they are user-defined.

      if (!isCustomProp) {
        name = finalPropName(origName);
      } // Try prefixed name followed by the unprefixed name


      hooks = jQuery.cssHooks[name] || jQuery.cssHooks[origName]; // If a hook was provided get the computed value from there

      if (hooks && "get" in hooks) {
        val = hooks.get(elem, true, extra);
      } // Otherwise, if a way to get the computed value exists, use that


      if (val === undefined) {
        val = curCSS(elem, name, styles);
      } // Convert "normal" to computed value


      if (val === "normal" && name in cssNormalTransform) {
        val = cssNormalTransform[name];
      } // Make numeric if forced or a qualifier was provided and val looks numeric


      if (extra === "" || extra) {
        num = parseFloat(val);
        return extra === true || isFinite(num) ? num || 0 : val;
      }

      return val;
    }
  });
  jQuery.each(["height", "width"], function (_i, dimension) {
    jQuery.cssHooks[dimension] = {
      get: function (elem, computed, extra) {
        if (computed) {
          // Certain elements can have dimension info if we invisibly show them
          // but it must have a current display style that would benefit
          return rdisplayswap.test(jQuery.css(elem, "display")) && ( // Support: Safari 8+
          // Table columns in Safari have non-zero offsetWidth & zero
          // getBoundingClientRect().width unless display is changed.
          // Support: IE <=11 only
          // Running getBoundingClientRect on a disconnected node
          // in IE throws an error.
          !elem.getClientRects().length || !elem.getBoundingClientRect().width) ? swap(elem, cssShow, function () {
            return getWidthOrHeight(elem, dimension, extra);
          }) : getWidthOrHeight(elem, dimension, extra);
        }
      },
      set: function (elem, value, extra) {
        var matches,
            styles = getStyles(elem),
            // Only read styles.position if the test has a chance to fail
        // to avoid forcing a reflow.
        scrollboxSizeBuggy = !support.scrollboxSize() && styles.position === "absolute",
            // To avoid forcing a reflow, only fetch boxSizing if we need it (gh-3991)
        boxSizingNeeded = scrollboxSizeBuggy || extra,
            isBorderBox = boxSizingNeeded && jQuery.css(elem, "boxSizing", false, styles) === "border-box",
            subtract = extra ? boxModelAdjustment(elem, dimension, extra, isBorderBox, styles) : 0; // Account for unreliable border-box dimensions by comparing offset* to computed and
        // faking a content-box to get border and padding (gh-3699)

        if (isBorderBox && scrollboxSizeBuggy) {
          subtract -= Math.ceil(elem["offset" + dimension[0].toUpperCase() + dimension.slice(1)] - parseFloat(styles[dimension]) - boxModelAdjustment(elem, dimension, "border", false, styles) - 0.5);
        } // Convert to pixels if value adjustment is needed


        if (subtract && (matches = rcssNum.exec(value)) && (matches[3] || "px") !== "px") {
          elem.style[dimension] = value;
          value = jQuery.css(elem, dimension);
        }

        return setPositiveNumber(elem, value, subtract);
      }
    };
  });
  jQuery.cssHooks.marginLeft = addGetHookIf(support.reliableMarginLeft, function (elem, computed) {
    if (computed) {
      return (parseFloat(curCSS(elem, "marginLeft")) || elem.getBoundingClientRect().left - swap(elem, {
        marginLeft: 0
      }, function () {
        return elem.getBoundingClientRect().left;
      })) + "px";
    }
  }); // These hooks are used by animate to expand properties

  jQuery.each({
    margin: "",
    padding: "",
    border: "Width"
  }, function (prefix, suffix) {
    jQuery.cssHooks[prefix + suffix] = {
      expand: function (value) {
        var i = 0,
            expanded = {},
            // Assumes a single number if not a string
        parts = typeof value === "string" ? value.split(" ") : [value];

        for (; i < 4; i++) {
          expanded[prefix + cssExpand[i] + suffix] = parts[i] || parts[i - 2] || parts[0];
        }

        return expanded;
      }
    };

    if (prefix !== "margin") {
      jQuery.cssHooks[prefix + suffix].set = setPositiveNumber;
    }
  });
  jQuery.fn.extend({
    css: function (name, value) {
      return access(this, function (elem, name, value) {
        var styles,
            len,
            map = {},
            i = 0;

        if (Array.isArray(name)) {
          styles = getStyles(elem);
          len = name.length;

          for (; i < len; i++) {
            map[name[i]] = jQuery.css(elem, name[i], false, styles);
          }

          return map;
        }

        return value !== undefined ? jQuery.style(elem, name, value) : jQuery.css(elem, name);
      }, name, value, arguments.length > 1);
    }
  });

  function Tween(elem, options, prop, end, easing) {
    return new Tween.prototype.init(elem, options, prop, end, easing);
  }

  jQuery.Tween = Tween;
  Tween.prototype = {
    constructor: Tween,
    init: function (elem, options, prop, end, easing, unit) {
      this.elem = elem;
      this.prop = prop;
      this.easing = easing || jQuery.easing._default;
      this.options = options;
      this.start = this.now = this.cur();
      this.end = end;
      this.unit = unit || (jQuery.cssNumber[prop] ? "" : "px");
    },
    cur: function () {
      var hooks = Tween.propHooks[this.prop];
      return hooks && hooks.get ? hooks.get(this) : Tween.propHooks._default.get(this);
    },
    run: function (percent) {
      var eased,
          hooks = Tween.propHooks[this.prop];

      if (this.options.duration) {
        this.pos = eased = jQuery.easing[this.easing](percent, this.options.duration * percent, 0, 1, this.options.duration);
      } else {
        this.pos = eased = percent;
      }

      this.now = (this.end - this.start) * eased + this.start;

      if (this.options.step) {
        this.options.step.call(this.elem, this.now, this);
      }

      if (hooks && hooks.set) {
        hooks.set(this);
      } else {
        Tween.propHooks._default.set(this);
      }

      return this;
    }
  };
  Tween.prototype.init.prototype = Tween.prototype;
  Tween.propHooks = {
    _default: {
      get: function (tween) {
        var result; // Use a property on the element directly when it is not a DOM element,
        // or when there is no matching style property that exists.

        if (tween.elem.nodeType !== 1 || tween.elem[tween.prop] != null && tween.elem.style[tween.prop] == null) {
          return tween.elem[tween.prop];
        } // Passing an empty string as a 3rd parameter to .css will automatically
        // attempt a parseFloat and fallback to a string if the parse fails.
        // Simple values such as "10px" are parsed to Float;
        // complex values such as "rotate(1rad)" are returned as-is.


        result = jQuery.css(tween.elem, tween.prop, ""); // Empty strings, null, undefined and "auto" are converted to 0.

        return !result || result === "auto" ? 0 : result;
      },
      set: function (tween) {
        // Use step hook for back compat.
        // Use cssHook if its there.
        // Use .style if available and use plain properties where available.
        if (jQuery.fx.step[tween.prop]) {
          jQuery.fx.step[tween.prop](tween);
        } else if (tween.elem.nodeType === 1 && (jQuery.cssHooks[tween.prop] || tween.elem.style[finalPropName(tween.prop)] != null)) {
          jQuery.style(tween.elem, tween.prop, tween.now + tween.unit);
        } else {
          tween.elem[tween.prop] = tween.now;
        }
      }
    }
  }; // Support: IE <=9 only
  // Panic based approach to setting things on disconnected nodes

  Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
    set: function (tween) {
      if (tween.elem.nodeType && tween.elem.parentNode) {
        tween.elem[tween.prop] = tween.now;
      }
    }
  };
  jQuery.easing = {
    linear: function (p) {
      return p;
    },
    swing: function (p) {
      return 0.5 - Math.cos(p * Math.PI) / 2;
    },
    _default: "swing"
  };
  jQuery.fx = Tween.prototype.init; // Back compat <1.8 extension point

  jQuery.fx.step = {};
  var fxNow,
      inProgress,
      rfxtypes = /^(?:toggle|show|hide)$/,
      rrun = /queueHooks$/;

  function schedule() {
    if (inProgress) {
      if (document.hidden === false && window.requestAnimationFrame) {
        window.requestAnimationFrame(schedule);
      } else {
        window.setTimeout(schedule, jQuery.fx.interval);
      }

      jQuery.fx.tick();
    }
  } // Animations created synchronously will run synchronously


  function createFxNow() {
    window.setTimeout(function () {
      fxNow = undefined;
    });
    return fxNow = Date.now();
  } // Generate parameters to create a standard animation


  function genFx(type, includeWidth) {
    var which,
        i = 0,
        attrs = {
      height: type
    }; // If we include width, step value is 1 to do all cssExpand values,
    // otherwise step value is 2 to skip over Left and Right

    includeWidth = includeWidth ? 1 : 0;

    for (; i < 4; i += 2 - includeWidth) {
      which = cssExpand[i];
      attrs["margin" + which] = attrs["padding" + which] = type;
    }

    if (includeWidth) {
      attrs.opacity = attrs.width = type;
    }

    return attrs;
  }

  function createTween(value, prop, animation) {
    var tween,
        collection = (Animation.tweeners[prop] || []).concat(Animation.tweeners["*"]),
        index = 0,
        length = collection.length;

    for (; index < length; index++) {
      if (tween = collection[index].call(animation, prop, value)) {
        // We're done with this property
        return tween;
      }
    }
  }

  function defaultPrefilter(elem, props, opts) {
    var prop,
        value,
        toggle,
        hooks,
        oldfire,
        propTween,
        restoreDisplay,
        display,
        isBox = "width" in props || "height" in props,
        anim = this,
        orig = {},
        style = elem.style,
        hidden = elem.nodeType && isHiddenWithinTree(elem),
        dataShow = dataPriv.get(elem, "fxshow"); // Queue-skipping animations hijack the fx hooks

    if (!opts.queue) {
      hooks = jQuery._queueHooks(elem, "fx");

      if (hooks.unqueued == null) {
        hooks.unqueued = 0;
        oldfire = hooks.empty.fire;

        hooks.empty.fire = function () {
          if (!hooks.unqueued) {
            oldfire();
          }
        };
      }

      hooks.unqueued++;
      anim.always(function () {
        // Ensure the complete handler is called before this completes
        anim.always(function () {
          hooks.unqueued--;

          if (!jQuery.queue(elem, "fx").length) {
            hooks.empty.fire();
          }
        });
      });
    } // Detect show/hide animations


    for (prop in props) {
      value = props[prop];

      if (rfxtypes.test(value)) {
        delete props[prop];
        toggle = toggle || value === "toggle";

        if (value === (hidden ? "hide" : "show")) {
          // Pretend to be hidden if this is a "show" and
          // there is still data from a stopped show/hide
          if (value === "show" && dataShow && dataShow[prop] !== undefined) {
            hidden = true; // Ignore all other no-op show/hide data
          } else {
            continue;
          }
        }

        orig[prop] = dataShow && dataShow[prop] || jQuery.style(elem, prop);
      }
    } // Bail out if this is a no-op like .hide().hide()


    propTween = !jQuery.isEmptyObject(props);

    if (!propTween && jQuery.isEmptyObject(orig)) {
      return;
    } // Restrict "overflow" and "display" styles during box animations


    if (isBox && elem.nodeType === 1) {
      // Support: IE <=9 - 11, Edge 12 - 15
      // Record all 3 overflow attributes because IE does not infer the shorthand
      // from identically-valued overflowX and overflowY and Edge just mirrors
      // the overflowX value there.
      opts.overflow = [style.overflow, style.overflowX, style.overflowY]; // Identify a display type, preferring old show/hide data over the CSS cascade

      restoreDisplay = dataShow && dataShow.display;

      if (restoreDisplay == null) {
        restoreDisplay = dataPriv.get(elem, "display");
      }

      display = jQuery.css(elem, "display");

      if (display === "none") {
        if (restoreDisplay) {
          display = restoreDisplay;
        } else {
          // Get nonempty value(s) by temporarily forcing visibility
          showHide([elem], true);
          restoreDisplay = elem.style.display || restoreDisplay;
          display = jQuery.css(elem, "display");
          showHide([elem]);
        }
      } // Animate inline elements as inline-block


      if (display === "inline" || display === "inline-block" && restoreDisplay != null) {
        if (jQuery.css(elem, "float") === "none") {
          // Restore the original display value at the end of pure show/hide animations
          if (!propTween) {
            anim.done(function () {
              style.display = restoreDisplay;
            });

            if (restoreDisplay == null) {
              display = style.display;
              restoreDisplay = display === "none" ? "" : display;
            }
          }

          style.display = "inline-block";
        }
      }
    }

    if (opts.overflow) {
      style.overflow = "hidden";
      anim.always(function () {
        style.overflow = opts.overflow[0];
        style.overflowX = opts.overflow[1];
        style.overflowY = opts.overflow[2];
      });
    } // Implement show/hide animations


    propTween = false;

    for (prop in orig) {
      // General show/hide setup for this element animation
      if (!propTween) {
        if (dataShow) {
          if ("hidden" in dataShow) {
            hidden = dataShow.hidden;
          }
        } else {
          dataShow = dataPriv.access(elem, "fxshow", {
            display: restoreDisplay
          });
        } // Store hidden/visible for toggle so `.stop().toggle()` "reverses"


        if (toggle) {
          dataShow.hidden = !hidden;
        } // Show elements before animating them


        if (hidden) {
          showHide([elem], true);
        }
        /* eslint-disable no-loop-func */


        anim.done(function () {
          /* eslint-enable no-loop-func */
          // The final step of a "hide" animation is actually hiding the element
          if (!hidden) {
            showHide([elem]);
          }

          dataPriv.remove(elem, "fxshow");

          for (prop in orig) {
            jQuery.style(elem, prop, orig[prop]);
          }
        });
      } // Per-property setup


      propTween = createTween(hidden ? dataShow[prop] : 0, prop, anim);

      if (!(prop in dataShow)) {
        dataShow[prop] = propTween.start;

        if (hidden) {
          propTween.end = propTween.start;
          propTween.start = 0;
        }
      }
    }
  }

  function propFilter(props, specialEasing) {
    var index, name, easing, value, hooks; // camelCase, specialEasing and expand cssHook pass

    for (index in props) {
      name = camelCase(index);
      easing = specialEasing[name];
      value = props[index];

      if (Array.isArray(value)) {
        easing = value[1];
        value = props[index] = value[0];
      }

      if (index !== name) {
        props[name] = value;
        delete props[index];
      }

      hooks = jQuery.cssHooks[name];

      if (hooks && "expand" in hooks) {
        value = hooks.expand(value);
        delete props[name]; // Not quite $.extend, this won't overwrite existing keys.
        // Reusing 'index' because we have the correct "name"

        for (index in value) {
          if (!(index in props)) {
            props[index] = value[index];
            specialEasing[index] = easing;
          }
        }
      } else {
        specialEasing[name] = easing;
      }
    }
  }

  function Animation(elem, properties, options) {
    var result,
        stopped,
        index = 0,
        length = Animation.prefilters.length,
        deferred = jQuery.Deferred().always(function () {
      // Don't match elem in the :animated selector
      delete tick.elem;
    }),
        tick = function () {
      if (stopped) {
        return false;
      }

      var currentTime = fxNow || createFxNow(),
          remaining = Math.max(0, animation.startTime + animation.duration - currentTime),
          // Support: Android 2.3 only
      // Archaic crash bug won't allow us to use `1 - ( 0.5 || 0 )` (#12497)
      temp = remaining / animation.duration || 0,
          percent = 1 - temp,
          index = 0,
          length = animation.tweens.length;

      for (; index < length; index++) {
        animation.tweens[index].run(percent);
      }

      deferred.notifyWith(elem, [animation, percent, remaining]); // If there's more to do, yield

      if (percent < 1 && length) {
        return remaining;
      } // If this was an empty animation, synthesize a final progress notification


      if (!length) {
        deferred.notifyWith(elem, [animation, 1, 0]);
      } // Resolve the animation and report its conclusion


      deferred.resolveWith(elem, [animation]);
      return false;
    },
        animation = deferred.promise({
      elem: elem,
      props: jQuery.extend({}, properties),
      opts: jQuery.extend(true, {
        specialEasing: {},
        easing: jQuery.easing._default
      }, options),
      originalProperties: properties,
      originalOptions: options,
      startTime: fxNow || createFxNow(),
      duration: options.duration,
      tweens: [],
      createTween: function (prop, end) {
        var tween = jQuery.Tween(elem, animation.opts, prop, end, animation.opts.specialEasing[prop] || animation.opts.easing);
        animation.tweens.push(tween);
        return tween;
      },
      stop: function (gotoEnd) {
        var index = 0,
            // If we are going to the end, we want to run all the tweens
        // otherwise we skip this part
        length = gotoEnd ? animation.tweens.length : 0;

        if (stopped) {
          return this;
        }

        stopped = true;

        for (; index < length; index++) {
          animation.tweens[index].run(1);
        } // Resolve when we played the last frame; otherwise, reject


        if (gotoEnd) {
          deferred.notifyWith(elem, [animation, 1, 0]);
          deferred.resolveWith(elem, [animation, gotoEnd]);
        } else {
          deferred.rejectWith(elem, [animation, gotoEnd]);
        }

        return this;
      }
    }),
        props = animation.props;

    propFilter(props, animation.opts.specialEasing);

    for (; index < length; index++) {
      result = Animation.prefilters[index].call(animation, elem, props, animation.opts);

      if (result) {
        if (isFunction(result.stop)) {
          jQuery._queueHooks(animation.elem, animation.opts.queue).stop = result.stop.bind(result);
        }

        return result;
      }
    }

    jQuery.map(props, createTween, animation);

    if (isFunction(animation.opts.start)) {
      animation.opts.start.call(elem, animation);
    } // Attach callbacks from options


    animation.progress(animation.opts.progress).done(animation.opts.done, animation.opts.complete).fail(animation.opts.fail).always(animation.opts.always);
    jQuery.fx.timer(jQuery.extend(tick, {
      elem: elem,
      anim: animation,
      queue: animation.opts.queue
    }));
    return animation;
  }

  jQuery.Animation = jQuery.extend(Animation, {
    tweeners: {
      "*": [function (prop, value) {
        var tween = this.createTween(prop, value);
        adjustCSS(tween.elem, prop, rcssNum.exec(value), tween);
        return tween;
      }]
    },
    tweener: function (props, callback) {
      if (isFunction(props)) {
        callback = props;
        props = ["*"];
      } else {
        props = props.match(rnothtmlwhite);
      }

      var prop,
          index = 0,
          length = props.length;

      for (; index < length; index++) {
        prop = props[index];
        Animation.tweeners[prop] = Animation.tweeners[prop] || [];
        Animation.tweeners[prop].unshift(callback);
      }
    },
    prefilters: [defaultPrefilter],
    prefilter: function (callback, prepend) {
      if (prepend) {
        Animation.prefilters.unshift(callback);
      } else {
        Animation.prefilters.push(callback);
      }
    }
  });

  jQuery.speed = function (speed, easing, fn) {
    var opt = speed && typeof speed === "object" ? jQuery.extend({}, speed) : {
      complete: fn || !fn && easing || isFunction(speed) && speed,
      duration: speed,
      easing: fn && easing || easing && !isFunction(easing) && easing
    }; // Go to the end state if fx are off

    if (jQuery.fx.off) {
      opt.duration = 0;
    } else {
      if (typeof opt.duration !== "number") {
        if (opt.duration in jQuery.fx.speeds) {
          opt.duration = jQuery.fx.speeds[opt.duration];
        } else {
          opt.duration = jQuery.fx.speeds._default;
        }
      }
    } // Normalize opt.queue - true/undefined/null -> "fx"


    if (opt.queue == null || opt.queue === true) {
      opt.queue = "fx";
    } // Queueing


    opt.old = opt.complete;

    opt.complete = function () {
      if (isFunction(opt.old)) {
        opt.old.call(this);
      }

      if (opt.queue) {
        jQuery.dequeue(this, opt.queue);
      }
    };

    return opt;
  };

  jQuery.fn.extend({
    fadeTo: function (speed, to, easing, callback) {
      // Show any hidden elements after setting opacity to 0
      return this.filter(isHiddenWithinTree).css("opacity", 0).show() // Animate to the value specified
      .end().animate({
        opacity: to
      }, speed, easing, callback);
    },
    animate: function (prop, speed, easing, callback) {
      var empty = jQuery.isEmptyObject(prop),
          optall = jQuery.speed(speed, easing, callback),
          doAnimation = function () {
        // Operate on a copy of prop so per-property easing won't be lost
        var anim = Animation(this, jQuery.extend({}, prop), optall); // Empty animations, or finishing resolves immediately

        if (empty || dataPriv.get(this, "finish")) {
          anim.stop(true);
        }
      };

      doAnimation.finish = doAnimation;
      return empty || optall.queue === false ? this.each(doAnimation) : this.queue(optall.queue, doAnimation);
    },
    stop: function (type, clearQueue, gotoEnd) {
      var stopQueue = function (hooks) {
        var stop = hooks.stop;
        delete hooks.stop;
        stop(gotoEnd);
      };

      if (typeof type !== "string") {
        gotoEnd = clearQueue;
        clearQueue = type;
        type = undefined;
      }

      if (clearQueue) {
        this.queue(type || "fx", []);
      }

      return this.each(function () {
        var dequeue = true,
            index = type != null && type + "queueHooks",
            timers = jQuery.timers,
            data = dataPriv.get(this);

        if (index) {
          if (data[index] && data[index].stop) {
            stopQueue(data[index]);
          }
        } else {
          for (index in data) {
            if (data[index] && data[index].stop && rrun.test(index)) {
              stopQueue(data[index]);
            }
          }
        }

        for (index = timers.length; index--;) {
          if (timers[index].elem === this && (type == null || timers[index].queue === type)) {
            timers[index].anim.stop(gotoEnd);
            dequeue = false;
            timers.splice(index, 1);
          }
        } // Start the next in the queue if the last step wasn't forced.
        // Timers currently will call their complete callbacks, which
        // will dequeue but only if they were gotoEnd.


        if (dequeue || !gotoEnd) {
          jQuery.dequeue(this, type);
        }
      });
    },
    finish: function (type) {
      if (type !== false) {
        type = type || "fx";
      }

      return this.each(function () {
        var index,
            data = dataPriv.get(this),
            queue = data[type + "queue"],
            hooks = data[type + "queueHooks"],
            timers = jQuery.timers,
            length = queue ? queue.length : 0; // Enable finishing flag on private data

        data.finish = true; // Empty the queue first

        jQuery.queue(this, type, []);

        if (hooks && hooks.stop) {
          hooks.stop.call(this, true);
        } // Look for any active animations, and finish them


        for (index = timers.length; index--;) {
          if (timers[index].elem === this && timers[index].queue === type) {
            timers[index].anim.stop(true);
            timers.splice(index, 1);
          }
        } // Look for any animations in the old queue and finish them


        for (index = 0; index < length; index++) {
          if (queue[index] && queue[index].finish) {
            queue[index].finish.call(this);
          }
        } // Turn off finishing flag


        delete data.finish;
      });
    }
  });
  jQuery.each(["toggle", "show", "hide"], function (_i, name) {
    var cssFn = jQuery.fn[name];

    jQuery.fn[name] = function (speed, easing, callback) {
      return speed == null || typeof speed === "boolean" ? cssFn.apply(this, arguments) : this.animate(genFx(name, true), speed, easing, callback);
    };
  }); // Generate shortcuts for custom animations

  jQuery.each({
    slideDown: genFx("show"),
    slideUp: genFx("hide"),
    slideToggle: genFx("toggle"),
    fadeIn: {
      opacity: "show"
    },
    fadeOut: {
      opacity: "hide"
    },
    fadeToggle: {
      opacity: "toggle"
    }
  }, function (name, props) {
    jQuery.fn[name] = function (speed, easing, callback) {
      return this.animate(props, speed, easing, callback);
    };
  });
  jQuery.timers = [];

  jQuery.fx.tick = function () {
    var timer,
        i = 0,
        timers = jQuery.timers;
    fxNow = Date.now();

    for (; i < timers.length; i++) {
      timer = timers[i]; // Run the timer and safely remove it when done (allowing for external removal)

      if (!timer() && timers[i] === timer) {
        timers.splice(i--, 1);
      }
    }

    if (!timers.length) {
      jQuery.fx.stop();
    }

    fxNow = undefined;
  };

  jQuery.fx.timer = function (timer) {
    jQuery.timers.push(timer);
    jQuery.fx.start();
  };

  jQuery.fx.interval = 13;

  jQuery.fx.start = function () {
    if (inProgress) {
      return;
    }

    inProgress = true;
    schedule();
  };

  jQuery.fx.stop = function () {
    inProgress = null;
  };

  jQuery.fx.speeds = {
    slow: 600,
    fast: 200,
    // Default speed
    _default: 400
  }; // Based off of the plugin by Clint Helfers, with permission.
  // https://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/

  jQuery.fn.delay = function (time, type) {
    time = jQuery.fx ? jQuery.fx.speeds[time] || time : time;
    type = type || "fx";
    return this.queue(type, function (next, hooks) {
      var timeout = window.setTimeout(next, time);

      hooks.stop = function () {
        window.clearTimeout(timeout);
      };
    });
  };

  (function () {
    var input = document.createElement("input"),
        select = document.createElement("select"),
        opt = select.appendChild(document.createElement("option"));
    input.type = "checkbox"; // Support: Android <=4.3 only
    // Default value for a checkbox should be "on"

    support.checkOn = input.value !== ""; // Support: IE <=11 only
    // Must access selectedIndex to make default options select

    support.optSelected = opt.selected; // Support: IE <=11 only
    // An input loses its value after becoming a radio

    input = document.createElement("input");
    input.value = "t";
    input.type = "radio";
    support.radioValue = input.value === "t";
  })();

  var boolHook,
      attrHandle = jQuery.expr.attrHandle;
  jQuery.fn.extend({
    attr: function (name, value) {
      return access(this, jQuery.attr, name, value, arguments.length > 1);
    },
    removeAttr: function (name) {
      return this.each(function () {
        jQuery.removeAttr(this, name);
      });
    }
  });
  jQuery.extend({
    attr: function (elem, name, value) {
      var ret,
          hooks,
          nType = elem.nodeType; // Don't get/set attributes on text, comment and attribute nodes

      if (nType === 3 || nType === 8 || nType === 2) {
        return;
      } // Fallback to prop when attributes are not supported


      if (typeof elem.getAttribute === "undefined") {
        return jQuery.prop(elem, name, value);
      } // Attribute hooks are determined by the lowercase version
      // Grab necessary hook if one is defined


      if (nType !== 1 || !jQuery.isXMLDoc(elem)) {
        hooks = jQuery.attrHooks[name.toLowerCase()] || (jQuery.expr.match.bool.test(name) ? boolHook : undefined);
      }

      if (value !== undefined) {
        if (value === null) {
          jQuery.removeAttr(elem, name);
          return;
        }

        if (hooks && "set" in hooks && (ret = hooks.set(elem, value, name)) !== undefined) {
          return ret;
        }

        elem.setAttribute(name, value + "");
        return value;
      }

      if (hooks && "get" in hooks && (ret = hooks.get(elem, name)) !== null) {
        return ret;
      }

      ret = jQuery.find.attr(elem, name); // Non-existent attributes return null, we normalize to undefined

      return ret == null ? undefined : ret;
    },
    attrHooks: {
      type: {
        set: function (elem, value) {
          if (!support.radioValue && value === "radio" && nodeName(elem, "input")) {
            var val = elem.value;
            elem.setAttribute("type", value);

            if (val) {
              elem.value = val;
            }

            return value;
          }
        }
      }
    },
    removeAttr: function (elem, value) {
      var name,
          i = 0,
          // Attribute names can contain non-HTML whitespace characters
      // https://html.spec.whatwg.org/multipage/syntax.html#attributes-2
      attrNames = value && value.match(rnothtmlwhite);

      if (attrNames && elem.nodeType === 1) {
        while (name = attrNames[i++]) {
          elem.removeAttribute(name);
        }
      }
    }
  }); // Hooks for boolean attributes

  boolHook = {
    set: function (elem, value, name) {
      if (value === false) {
        // Remove boolean attributes when set to false
        jQuery.removeAttr(elem, name);
      } else {
        elem.setAttribute(name, name);
      }

      return name;
    }
  };
  jQuery.each(jQuery.expr.match.bool.source.match(/\w+/g), function (_i, name) {
    var getter = attrHandle[name] || jQuery.find.attr;

    attrHandle[name] = function (elem, name, isXML) {
      var ret,
          handle,
          lowercaseName = name.toLowerCase();

      if (!isXML) {
        // Avoid an infinite loop by temporarily removing this function from the getter
        handle = attrHandle[lowercaseName];
        attrHandle[lowercaseName] = ret;
        ret = getter(elem, name, isXML) != null ? lowercaseName : null;
        attrHandle[lowercaseName] = handle;
      }

      return ret;
    };
  });
  var rfocusable = /^(?:input|select|textarea|button)$/i,
      rclickable = /^(?:a|area)$/i;
  jQuery.fn.extend({
    prop: function (name, value) {
      return access(this, jQuery.prop, name, value, arguments.length > 1);
    },
    removeProp: function (name) {
      return this.each(function () {
        delete this[jQuery.propFix[name] || name];
      });
    }
  });
  jQuery.extend({
    prop: function (elem, name, value) {
      var ret,
          hooks,
          nType = elem.nodeType; // Don't get/set properties on text, comment and attribute nodes

      if (nType === 3 || nType === 8 || nType === 2) {
        return;
      }

      if (nType !== 1 || !jQuery.isXMLDoc(elem)) {
        // Fix name and attach hooks
        name = jQuery.propFix[name] || name;
        hooks = jQuery.propHooks[name];
      }

      if (value !== undefined) {
        if (hooks && "set" in hooks && (ret = hooks.set(elem, value, name)) !== undefined) {
          return ret;
        }

        return elem[name] = value;
      }

      if (hooks && "get" in hooks && (ret = hooks.get(elem, name)) !== null) {
        return ret;
      }

      return elem[name];
    },
    propHooks: {
      tabIndex: {
        get: function (elem) {
          // Support: IE <=9 - 11 only
          // elem.tabIndex doesn't always return the
          // correct value when it hasn't been explicitly set
          // https://web.archive.org/web/20141116233347/http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
          // Use proper attribute retrieval(#12072)
          var tabindex = jQuery.find.attr(elem, "tabindex");

          if (tabindex) {
            return parseInt(tabindex, 10);
          }

          if (rfocusable.test(elem.nodeName) || rclickable.test(elem.nodeName) && elem.href) {
            return 0;
          }

          return -1;
        }
      }
    },
    propFix: {
      "for": "htmlFor",
      "class": "className"
    }
  }); // Support: IE <=11 only
  // Accessing the selectedIndex property
  // forces the browser to respect setting selected
  // on the option
  // The getter ensures a default option is selected
  // when in an optgroup
  // eslint rule "no-unused-expressions" is disabled for this code
  // since it considers such accessions noop

  if (!support.optSelected) {
    jQuery.propHooks.selected = {
      get: function (elem) {
        /* eslint no-unused-expressions: "off" */
        var parent = elem.parentNode;

        if (parent && parent.parentNode) {
          parent.parentNode.selectedIndex;
        }

        return null;
      },
      set: function (elem) {
        /* eslint no-unused-expressions: "off" */
        var parent = elem.parentNode;

        if (parent) {
          parent.selectedIndex;

          if (parent.parentNode) {
            parent.parentNode.selectedIndex;
          }
        }
      }
    };
  }

  jQuery.each(["tabIndex", "readOnly", "maxLength", "cellSpacing", "cellPadding", "rowSpan", "colSpan", "useMap", "frameBorder", "contentEditable"], function () {
    jQuery.propFix[this.toLowerCase()] = this;
  }); // Strip and collapse whitespace according to HTML spec
  // https://infra.spec.whatwg.org/#strip-and-collapse-ascii-whitespace

  function stripAndCollapse(value) {
    var tokens = value.match(rnothtmlwhite) || [];
    return tokens.join(" ");
  }

  function getClass(elem) {
    return elem.getAttribute && elem.getAttribute("class") || "";
  }

  function classesToArray(value) {
    if (Array.isArray(value)) {
      return value;
    }

    if (typeof value === "string") {
      return value.match(rnothtmlwhite) || [];
    }

    return [];
  }

  jQuery.fn.extend({
    addClass: function (value) {
      var classes,
          elem,
          cur,
          curValue,
          clazz,
          j,
          finalValue,
          i = 0;

      if (isFunction(value)) {
        return this.each(function (j) {
          jQuery(this).addClass(value.call(this, j, getClass(this)));
        });
      }

      classes = classesToArray(value);

      if (classes.length) {
        while (elem = this[i++]) {
          curValue = getClass(elem);
          cur = elem.nodeType === 1 && " " + stripAndCollapse(curValue) + " ";

          if (cur) {
            j = 0;

            while (clazz = classes[j++]) {
              if (cur.indexOf(" " + clazz + " ") < 0) {
                cur += clazz + " ";
              }
            } // Only assign if different to avoid unneeded rendering.


            finalValue = stripAndCollapse(cur);

            if (curValue !== finalValue) {
              elem.setAttribute("class", finalValue);
            }
          }
        }
      }

      return this;
    },
    removeClass: function (value) {
      var classes,
          elem,
          cur,
          curValue,
          clazz,
          j,
          finalValue,
          i = 0;

      if (isFunction(value)) {
        return this.each(function (j) {
          jQuery(this).removeClass(value.call(this, j, getClass(this)));
        });
      }

      if (!arguments.length) {
        return this.attr("class", "");
      }

      classes = classesToArray(value);

      if (classes.length) {
        while (elem = this[i++]) {
          curValue = getClass(elem); // This expression is here for better compressibility (see addClass)

          cur = elem.nodeType === 1 && " " + stripAndCollapse(curValue) + " ";

          if (cur) {
            j = 0;

            while (clazz = classes[j++]) {
              // Remove *all* instances
              while (cur.indexOf(" " + clazz + " ") > -1) {
                cur = cur.replace(" " + clazz + " ", " ");
              }
            } // Only assign if different to avoid unneeded rendering.


            finalValue = stripAndCollapse(cur);

            if (curValue !== finalValue) {
              elem.setAttribute("class", finalValue);
            }
          }
        }
      }

      return this;
    },
    toggleClass: function (value, stateVal) {
      var type = typeof value,
          isValidValue = type === "string" || Array.isArray(value);

      if (typeof stateVal === "boolean" && isValidValue) {
        return stateVal ? this.addClass(value) : this.removeClass(value);
      }

      if (isFunction(value)) {
        return this.each(function (i) {
          jQuery(this).toggleClass(value.call(this, i, getClass(this), stateVal), stateVal);
        });
      }

      return this.each(function () {
        var className, i, self, classNames;

        if (isValidValue) {
          // Toggle individual class names
          i = 0;
          self = jQuery(this);
          classNames = classesToArray(value);

          while (className = classNames[i++]) {
            // Check each className given, space separated list
            if (self.hasClass(className)) {
              self.removeClass(className);
            } else {
              self.addClass(className);
            }
          } // Toggle whole class name

        } else if (value === undefined || type === "boolean") {
          className = getClass(this);

          if (className) {
            // Store className if set
            dataPriv.set(this, "__className__", className);
          } // If the element has a class name or if we're passed `false`,
          // then remove the whole classname (if there was one, the above saved it).
          // Otherwise bring back whatever was previously saved (if anything),
          // falling back to the empty string if nothing was stored.


          if (this.setAttribute) {
            this.setAttribute("class", className || value === false ? "" : dataPriv.get(this, "__className__") || "");
          }
        }
      });
    },
    hasClass: function (selector) {
      var className,
          elem,
          i = 0;
      className = " " + selector + " ";

      while (elem = this[i++]) {
        if (elem.nodeType === 1 && (" " + stripAndCollapse(getClass(elem)) + " ").indexOf(className) > -1) {
          return true;
        }
      }

      return false;
    }
  });
  var rreturn = /\r/g;
  jQuery.fn.extend({
    val: function (value) {
      var hooks,
          ret,
          valueIsFunction,
          elem = this[0];

      if (!arguments.length) {
        if (elem) {
          hooks = jQuery.valHooks[elem.type] || jQuery.valHooks[elem.nodeName.toLowerCase()];

          if (hooks && "get" in hooks && (ret = hooks.get(elem, "value")) !== undefined) {
            return ret;
          }

          ret = elem.value; // Handle most common string cases

          if (typeof ret === "string") {
            return ret.replace(rreturn, "");
          } // Handle cases where value is null/undef or number


          return ret == null ? "" : ret;
        }

        return;
      }

      valueIsFunction = isFunction(value);
      return this.each(function (i) {
        var val;

        if (this.nodeType !== 1) {
          return;
        }

        if (valueIsFunction) {
          val = value.call(this, i, jQuery(this).val());
        } else {
          val = value;
        } // Treat null/undefined as ""; convert numbers to string


        if (val == null) {
          val = "";
        } else if (typeof val === "number") {
          val += "";
        } else if (Array.isArray(val)) {
          val = jQuery.map(val, function (value) {
            return value == null ? "" : value + "";
          });
        }

        hooks = jQuery.valHooks[this.type] || jQuery.valHooks[this.nodeName.toLowerCase()]; // If set returns undefined, fall back to normal setting

        if (!hooks || !("set" in hooks) || hooks.set(this, val, "value") === undefined) {
          this.value = val;
        }
      });
    }
  });
  jQuery.extend({
    valHooks: {
      option: {
        get: function (elem) {
          var val = jQuery.find.attr(elem, "value");
          return val != null ? val : // Support: IE <=10 - 11 only
          // option.text throws exceptions (#14686, #14858)
          // Strip and collapse whitespace
          // https://html.spec.whatwg.org/#strip-and-collapse-whitespace
          stripAndCollapse(jQuery.text(elem));
        }
      },
      select: {
        get: function (elem) {
          var value,
              option,
              i,
              options = elem.options,
              index = elem.selectedIndex,
              one = elem.type === "select-one",
              values = one ? null : [],
              max = one ? index + 1 : options.length;

          if (index < 0) {
            i = max;
          } else {
            i = one ? index : 0;
          } // Loop through all the selected options


          for (; i < max; i++) {
            option = options[i]; // Support: IE <=9 only
            // IE8-9 doesn't update selected after form reset (#2551)

            if ((option.selected || i === index) && // Don't return options that are disabled or in a disabled optgroup
            !option.disabled && (!option.parentNode.disabled || !nodeName(option.parentNode, "optgroup"))) {
              // Get the specific value for the option
              value = jQuery(option).val(); // We don't need an array for one selects

              if (one) {
                return value;
              } // Multi-Selects return an array


              values.push(value);
            }
          }

          return values;
        },
        set: function (elem, value) {
          var optionSet,
              option,
              options = elem.options,
              values = jQuery.makeArray(value),
              i = options.length;

          while (i--) {
            option = options[i];
            /* eslint-disable no-cond-assign */

            if (option.selected = jQuery.inArray(jQuery.valHooks.option.get(option), values) > -1) {
              optionSet = true;
            }
            /* eslint-enable no-cond-assign */

          } // Force browsers to behave consistently when non-matching value is set


          if (!optionSet) {
            elem.selectedIndex = -1;
          }

          return values;
        }
      }
    }
  }); // Radios and checkboxes getter/setter

  jQuery.each(["radio", "checkbox"], function () {
    jQuery.valHooks[this] = {
      set: function (elem, value) {
        if (Array.isArray(value)) {
          return elem.checked = jQuery.inArray(jQuery(elem).val(), value) > -1;
        }
      }
    };

    if (!support.checkOn) {
      jQuery.valHooks[this].get = function (elem) {
        return elem.getAttribute("value") === null ? "on" : elem.value;
      };
    }
  }); // Return jQuery for attributes-only inclusion

  support.focusin = "onfocusin" in window;

  var rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
      stopPropagationCallback = function (e) {
    e.stopPropagation();
  };

  jQuery.extend(jQuery.event, {
    trigger: function (event, data, elem, onlyHandlers) {
      var i,
          cur,
          tmp,
          bubbleType,
          ontype,
          handle,
          special,
          lastElement,
          eventPath = [elem || document],
          type = hasOwn.call(event, "type") ? event.type : event,
          namespaces = hasOwn.call(event, "namespace") ? event.namespace.split(".") : [];
      cur = lastElement = tmp = elem = elem || document; // Don't do events on text and comment nodes

      if (elem.nodeType === 3 || elem.nodeType === 8) {
        return;
      } // focus/blur morphs to focusin/out; ensure we're not firing them right now


      if (rfocusMorph.test(type + jQuery.event.triggered)) {
        return;
      }

      if (type.indexOf(".") > -1) {
        // Namespaced trigger; create a regexp to match event type in handle()
        namespaces = type.split(".");
        type = namespaces.shift();
        namespaces.sort();
      }

      ontype = type.indexOf(":") < 0 && "on" + type; // Caller can pass in a jQuery.Event object, Object, or just an event type string

      event = event[jQuery.expando] ? event : new jQuery.Event(type, typeof event === "object" && event); // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)

      event.isTrigger = onlyHandlers ? 2 : 3;
      event.namespace = namespaces.join(".");
      event.rnamespace = event.namespace ? new RegExp("(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)") : null; // Clean up the event in case it is being reused

      event.result = undefined;

      if (!event.target) {
        event.target = elem;
      } // Clone any incoming data and prepend the event, creating the handler arg list


      data = data == null ? [event] : jQuery.makeArray(data, [event]); // Allow special events to draw outside the lines

      special = jQuery.event.special[type] || {};

      if (!onlyHandlers && special.trigger && special.trigger.apply(elem, data) === false) {
        return;
      } // Determine event propagation path in advance, per W3C events spec (#9951)
      // Bubble up to document, then to window; watch for a global ownerDocument var (#9724)


      if (!onlyHandlers && !special.noBubble && !isWindow(elem)) {
        bubbleType = special.delegateType || type;

        if (!rfocusMorph.test(bubbleType + type)) {
          cur = cur.parentNode;
        }

        for (; cur; cur = cur.parentNode) {
          eventPath.push(cur);
          tmp = cur;
        } // Only add window if we got to document (e.g., not plain obj or detached DOM)


        if (tmp === (elem.ownerDocument || document)) {
          eventPath.push(tmp.defaultView || tmp.parentWindow || window);
        }
      } // Fire handlers on the event path


      i = 0;

      while ((cur = eventPath[i++]) && !event.isPropagationStopped()) {
        lastElement = cur;
        event.type = i > 1 ? bubbleType : special.bindType || type; // jQuery handler

        handle = (dataPriv.get(cur, "events") || Object.create(null))[event.type] && dataPriv.get(cur, "handle");

        if (handle) {
          handle.apply(cur, data);
        } // Native handler


        handle = ontype && cur[ontype];

        if (handle && handle.apply && acceptData(cur)) {
          event.result = handle.apply(cur, data);

          if (event.result === false) {
            event.preventDefault();
          }
        }
      }

      event.type = type; // If nobody prevented the default action, do it now

      if (!onlyHandlers && !event.isDefaultPrevented()) {
        if ((!special._default || special._default.apply(eventPath.pop(), data) === false) && acceptData(elem)) {
          // Call a native DOM method on the target with the same name as the event.
          // Don't do default actions on window, that's where global variables be (#6170)
          if (ontype && isFunction(elem[type]) && !isWindow(elem)) {
            // Don't re-trigger an onFOO event when we call its FOO() method
            tmp = elem[ontype];

            if (tmp) {
              elem[ontype] = null;
            } // Prevent re-triggering of the same event, since we already bubbled it above


            jQuery.event.triggered = type;

            if (event.isPropagationStopped()) {
              lastElement.addEventListener(type, stopPropagationCallback);
            }

            elem[type]();

            if (event.isPropagationStopped()) {
              lastElement.removeEventListener(type, stopPropagationCallback);
            }

            jQuery.event.triggered = undefined;

            if (tmp) {
              elem[ontype] = tmp;
            }
          }
        }
      }

      return event.result;
    },
    // Piggyback on a donor event to simulate a different one
    // Used only for `focus(in | out)` events
    simulate: function (type, elem, event) {
      var e = jQuery.extend(new jQuery.Event(), event, {
        type: type,
        isSimulated: true
      });
      jQuery.event.trigger(e, null, elem);
    }
  });
  jQuery.fn.extend({
    trigger: function (type, data) {
      return this.each(function () {
        jQuery.event.trigger(type, data, this);
      });
    },
    triggerHandler: function (type, data) {
      var elem = this[0];

      if (elem) {
        return jQuery.event.trigger(type, data, elem, true);
      }
    }
  }); // Support: Firefox <=44
  // Firefox doesn't have focus(in | out) events
  // Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787
  //
  // Support: Chrome <=48 - 49, Safari <=9.0 - 9.1
  // focus(in | out) events fire after focus & blur events,
  // which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order
  // Related ticket - https://bugs.chromium.org/p/chromium/issues/detail?id=449857

  if (!support.focusin) {
    jQuery.each({
      focus: "focusin",
      blur: "focusout"
    }, function (orig, fix) {
      // Attach a single capturing handler on the document while someone wants focusin/focusout
      var handler = function (event) {
        jQuery.event.simulate(fix, event.target, jQuery.event.fix(event));
      };

      jQuery.event.special[fix] = {
        setup: function () {
          // Handle: regular nodes (via `this.ownerDocument`), window
          // (via `this.document`) & document (via `this`).
          var doc = this.ownerDocument || this.document || this,
              attaches = dataPriv.access(doc, fix);

          if (!attaches) {
            doc.addEventListener(orig, handler, true);
          }

          dataPriv.access(doc, fix, (attaches || 0) + 1);
        },
        teardown: function () {
          var doc = this.ownerDocument || this.document || this,
              attaches = dataPriv.access(doc, fix) - 1;

          if (!attaches) {
            doc.removeEventListener(orig, handler, true);
            dataPriv.remove(doc, fix);
          } else {
            dataPriv.access(doc, fix, attaches);
          }
        }
      };
    });
  }

  var location = window.location;
  var nonce = {
    guid: Date.now()
  };
  var rquery = /\?/; // Cross-browser xml parsing

  jQuery.parseXML = function (data) {
    var xml, parserErrorElem;

    if (!data || typeof data !== "string") {
      return null;
    } // Support: IE 9 - 11 only
    // IE throws on parseFromString with invalid input.


    try {
      xml = new window.DOMParser().parseFromString(data, "text/xml");
    } catch (e) {}

    parserErrorElem = xml && xml.getElementsByTagName("parsererror")[0];

    if (!xml || parserErrorElem) {
      jQuery.error("Invalid XML: " + (parserErrorElem ? jQuery.map(parserErrorElem.childNodes, function (el) {
        return el.textContent;
      }).join("\n") : data));
    }

    return xml;
  };

  var rbracket = /\[\]$/,
      rCRLF = /\r?\n/g,
      rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
      rsubmittable = /^(?:input|select|textarea|keygen)/i;

  function buildParams(prefix, obj, traditional, add) {
    var name;

    if (Array.isArray(obj)) {
      // Serialize array item.
      jQuery.each(obj, function (i, v) {
        if (traditional || rbracket.test(prefix)) {
          // Treat each array item as a scalar.
          add(prefix, v);
        } else {
          // Item is non-scalar (array or object), encode its numeric index.
          buildParams(prefix + "[" + (typeof v === "object" && v != null ? i : "") + "]", v, traditional, add);
        }
      });
    } else if (!traditional && toType(obj) === "object") {
      // Serialize object item.
      for (name in obj) {
        buildParams(prefix + "[" + name + "]", obj[name], traditional, add);
      }
    } else {
      // Serialize scalar item.
      add(prefix, obj);
    }
  } // Serialize an array of form elements or a set of
  // key/values into a query string


  jQuery.param = function (a, traditional) {
    var prefix,
        s = [],
        add = function (key, valueOrFunction) {
      // If value is a function, invoke it and use its return value
      var value = isFunction(valueOrFunction) ? valueOrFunction() : valueOrFunction;
      s[s.length] = encodeURIComponent(key) + "=" + encodeURIComponent(value == null ? "" : value);
    };

    if (a == null) {
      return "";
    } // If an array was passed in, assume that it is an array of form elements.


    if (Array.isArray(a) || a.jquery && !jQuery.isPlainObject(a)) {
      // Serialize the form elements
      jQuery.each(a, function () {
        add(this.name, this.value);
      });
    } else {
      // If traditional, encode the "old" way (the way 1.3.2 or older
      // did it), otherwise encode params recursively.
      for (prefix in a) {
        buildParams(prefix, a[prefix], traditional, add);
      }
    } // Return the resulting serialization


    return s.join("&");
  };

  jQuery.fn.extend({
    serialize: function () {
      return jQuery.param(this.serializeArray());
    },
    serializeArray: function () {
      return this.map(function () {
        // Can add propHook for "elements" to filter or add form elements
        var elements = jQuery.prop(this, "elements");
        return elements ? jQuery.makeArray(elements) : this;
      }).filter(function () {
        var type = this.type; // Use .is( ":disabled" ) so that fieldset[disabled] works

        return this.name && !jQuery(this).is(":disabled") && rsubmittable.test(this.nodeName) && !rsubmitterTypes.test(type) && (this.checked || !rcheckableType.test(type));
      }).map(function (_i, elem) {
        var val = jQuery(this).val();

        if (val == null) {
          return null;
        }

        if (Array.isArray(val)) {
          return jQuery.map(val, function (val) {
            return {
              name: elem.name,
              value: val.replace(rCRLF, "\r\n")
            };
          });
        }

        return {
          name: elem.name,
          value: val.replace(rCRLF, "\r\n")
        };
      }).get();
    }
  });
  var r20 = /%20/g,
      rhash = /#.*$/,
      rantiCache = /([?&])_=[^&]*/,
      rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg,
      // #7653, #8125, #8152: local protocol detection
  rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
      rnoContent = /^(?:GET|HEAD)$/,
      rprotocol = /^\/\//,

  /* Prefilters
   * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
   * 2) These are called:
   *    - BEFORE asking for a transport
   *    - AFTER param serialization (s.data is a string if s.processData is true)
   * 3) key is the dataType
   * 4) the catchall symbol "*" can be used
   * 5) execution will start with transport dataType and THEN continue down to "*" if needed
   */
  prefilters = {},

  /* Transports bindings
   * 1) key is the dataType
   * 2) the catchall symbol "*" can be used
   * 3) selection will start with transport dataType and THEN go to "*" if needed
   */
  transports = {},
      // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
  allTypes = "*/".concat("*"),
      // Anchor tag for parsing the document origin
  originAnchor = document.createElement("a");
  originAnchor.href = location.href; // Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport

  function addToPrefiltersOrTransports(structure) {
    // dataTypeExpression is optional and defaults to "*"
    return function (dataTypeExpression, func) {
      if (typeof dataTypeExpression !== "string") {
        func = dataTypeExpression;
        dataTypeExpression = "*";
      }

      var dataType,
          i = 0,
          dataTypes = dataTypeExpression.toLowerCase().match(rnothtmlwhite) || [];

      if (isFunction(func)) {
        // For each dataType in the dataTypeExpression
        while (dataType = dataTypes[i++]) {
          // Prepend if requested
          if (dataType[0] === "+") {
            dataType = dataType.slice(1) || "*";
            (structure[dataType] = structure[dataType] || []).unshift(func); // Otherwise append
          } else {
            (structure[dataType] = structure[dataType] || []).push(func);
          }
        }
      }
    };
  } // Base inspection function for prefilters and transports


  function inspectPrefiltersOrTransports(structure, options, originalOptions, jqXHR) {
    var inspected = {},
        seekingTransport = structure === transports;

    function inspect(dataType) {
      var selected;
      inspected[dataType] = true;
      jQuery.each(structure[dataType] || [], function (_, prefilterOrFactory) {
        var dataTypeOrTransport = prefilterOrFactory(options, originalOptions, jqXHR);

        if (typeof dataTypeOrTransport === "string" && !seekingTransport && !inspected[dataTypeOrTransport]) {
          options.dataTypes.unshift(dataTypeOrTransport);
          inspect(dataTypeOrTransport);
          return false;
        } else if (seekingTransport) {
          return !(selected = dataTypeOrTransport);
        }
      });
      return selected;
    }

    return inspect(options.dataTypes[0]) || !inspected["*"] && inspect("*");
  } // A special extend for ajax options
  // that takes "flat" options (not to be deep extended)
  // Fixes #9887


  function ajaxExtend(target, src) {
    var key,
        deep,
        flatOptions = jQuery.ajaxSettings.flatOptions || {};

    for (key in src) {
      if (src[key] !== undefined) {
        (flatOptions[key] ? target : deep || (deep = {}))[key] = src[key];
      }
    }

    if (deep) {
      jQuery.extend(true, target, deep);
    }

    return target;
  }
  /* Handles responses to an ajax request:
   * - finds the right dataType (mediates between content-type and expected dataType)
   * - returns the corresponding response
   */


  function ajaxHandleResponses(s, jqXHR, responses) {
    var ct,
        type,
        finalDataType,
        firstDataType,
        contents = s.contents,
        dataTypes = s.dataTypes; // Remove auto dataType and get content-type in the process

    while (dataTypes[0] === "*") {
      dataTypes.shift();

      if (ct === undefined) {
        ct = s.mimeType || jqXHR.getResponseHeader("Content-Type");
      }
    } // Check if we're dealing with a known content-type


    if (ct) {
      for (type in contents) {
        if (contents[type] && contents[type].test(ct)) {
          dataTypes.unshift(type);
          break;
        }
      }
    } // Check to see if we have a response for the expected dataType


    if (dataTypes[0] in responses) {
      finalDataType = dataTypes[0];
    } else {
      // Try convertible dataTypes
      for (type in responses) {
        if (!dataTypes[0] || s.converters[type + " " + dataTypes[0]]) {
          finalDataType = type;
          break;
        }

        if (!firstDataType) {
          firstDataType = type;
        }
      } // Or just use first one


      finalDataType = finalDataType || firstDataType;
    } // If we found a dataType
    // We add the dataType to the list if needed
    // and return the corresponding response


    if (finalDataType) {
      if (finalDataType !== dataTypes[0]) {
        dataTypes.unshift(finalDataType);
      }

      return responses[finalDataType];
    }
  }
  /* Chain conversions given the request and the original response
   * Also sets the responseXXX fields on the jqXHR instance
   */


  function ajaxConvert(s, response, jqXHR, isSuccess) {
    var conv2,
        current,
        conv,
        tmp,
        prev,
        converters = {},
        // Work with a copy of dataTypes in case we need to modify it for conversion
    dataTypes = s.dataTypes.slice(); // Create converters map with lowercased keys

    if (dataTypes[1]) {
      for (conv in s.converters) {
        converters[conv.toLowerCase()] = s.converters[conv];
      }
    }

    current = dataTypes.shift(); // Convert to each sequential dataType

    while (current) {
      if (s.responseFields[current]) {
        jqXHR[s.responseFields[current]] = response;
      } // Apply the dataFilter if provided


      if (!prev && isSuccess && s.dataFilter) {
        response = s.dataFilter(response, s.dataType);
      }

      prev = current;
      current = dataTypes.shift();

      if (current) {
        // There's only work to do if current dataType is non-auto
        if (current === "*") {
          current = prev; // Convert response if prev dataType is non-auto and differs from current
        } else if (prev !== "*" && prev !== current) {
          // Seek a direct converter
          conv = converters[prev + " " + current] || converters["* " + current]; // If none found, seek a pair

          if (!conv) {
            for (conv2 in converters) {
              // If conv2 outputs current
              tmp = conv2.split(" ");

              if (tmp[1] === current) {
                // If prev can be converted to accepted input
                conv = converters[prev + " " + tmp[0]] || converters["* " + tmp[0]];

                if (conv) {
                  // Condense equivalence converters
                  if (conv === true) {
                    conv = converters[conv2]; // Otherwise, insert the intermediate dataType
                  } else if (converters[conv2] !== true) {
                    current = tmp[0];
                    dataTypes.unshift(tmp[1]);
                  }

                  break;
                }
              }
            }
          } // Apply converter (if not an equivalence)


          if (conv !== true) {
            // Unless errors are allowed to bubble, catch and return them
            if (conv && s.throws) {
              response = conv(response);
            } else {
              try {
                response = conv(response);
              } catch (e) {
                return {
                  state: "parsererror",
                  error: conv ? e : "No conversion from " + prev + " to " + current
                };
              }
            }
          }
        }
      }
    }

    return {
      state: "success",
      data: response
    };
  }

  jQuery.extend({
    // Counter for holding the number of active queries
    active: 0,
    // Last-Modified header cache for next request
    lastModified: {},
    etag: {},
    ajaxSettings: {
      url: location.href,
      type: "GET",
      isLocal: rlocalProtocol.test(location.protocol),
      global: true,
      processData: true,
      async: true,
      contentType: "application/x-www-form-urlencoded; charset=UTF-8",

      /*
      timeout: 0,
      data: null,
      dataType: null,
      username: null,
      password: null,
      cache: null,
      throws: false,
      traditional: false,
      headers: {},
      */
      accepts: {
        "*": allTypes,
        text: "text/plain",
        html: "text/html",
        xml: "application/xml, text/xml",
        json: "application/json, text/javascript"
      },
      contents: {
        xml: /\bxml\b/,
        html: /\bhtml/,
        json: /\bjson\b/
      },
      responseFields: {
        xml: "responseXML",
        text: "responseText",
        json: "responseJSON"
      },
      // Data converters
      // Keys separate source (or catchall "*") and destination types with a single space
      converters: {
        // Convert anything to text
        "* text": String,
        // Text to html (true = no transformation)
        "text html": true,
        // Evaluate text as a json expression
        "text json": JSON.parse,
        // Parse text as xml
        "text xml": jQuery.parseXML
      },
      // For options that shouldn't be deep extended:
      // you can add your own custom options here if
      // and when you create one that shouldn't be
      // deep extended (see ajaxExtend)
      flatOptions: {
        url: true,
        context: true
      }
    },
    // Creates a full fledged settings object into target
    // with both ajaxSettings and settings fields.
    // If target is omitted, writes into ajaxSettings.
    ajaxSetup: function (target, settings) {
      return settings ? // Building a settings object
      ajaxExtend(ajaxExtend(target, jQuery.ajaxSettings), settings) : // Extending ajaxSettings
      ajaxExtend(jQuery.ajaxSettings, target);
    },
    ajaxPrefilter: addToPrefiltersOrTransports(prefilters),
    ajaxTransport: addToPrefiltersOrTransports(transports),
    // Main method
    ajax: function (url, options) {
      // If url is an object, simulate pre-1.5 signature
      if (typeof url === "object") {
        options = url;
        url = undefined;
      } // Force options to be an object


      options = options || {};
      var transport,
          // URL without anti-cache param
      cacheURL,
          // Response headers
      responseHeadersString,
          responseHeaders,
          // timeout handle
      timeoutTimer,
          // Url cleanup var
      urlAnchor,
          // Request state (becomes false upon send and true upon completion)
      completed,
          // To know if global events are to be dispatched
      fireGlobals,
          // Loop variable
      i,
          // uncached part of the url
      uncached,
          // Create the final options object
      s = jQuery.ajaxSetup({}, options),
          // Callbacks context
      callbackContext = s.context || s,
          // Context for global events is callbackContext if it is a DOM node or jQuery collection
      globalEventContext = s.context && (callbackContext.nodeType || callbackContext.jquery) ? jQuery(callbackContext) : jQuery.event,
          // Deferreds
      deferred = jQuery.Deferred(),
          completeDeferred = jQuery.Callbacks("once memory"),
          // Status-dependent callbacks
      statusCode = s.statusCode || {},
          // Headers (they are sent all at once)
      requestHeaders = {},
          requestHeadersNames = {},
          // Default abort message
      strAbort = "canceled",
          // Fake xhr
      jqXHR = {
        readyState: 0,
        // Builds headers hashtable if needed
        getResponseHeader: function (key) {
          var match;

          if (completed) {
            if (!responseHeaders) {
              responseHeaders = {};

              while (match = rheaders.exec(responseHeadersString)) {
                responseHeaders[match[1].toLowerCase() + " "] = (responseHeaders[match[1].toLowerCase() + " "] || []).concat(match[2]);
              }
            }

            match = responseHeaders[key.toLowerCase() + " "];
          }

          return match == null ? null : match.join(", ");
        },
        // Raw string
        getAllResponseHeaders: function () {
          return completed ? responseHeadersString : null;
        },
        // Caches the header
        setRequestHeader: function (name, value) {
          if (completed == null) {
            name = requestHeadersNames[name.toLowerCase()] = requestHeadersNames[name.toLowerCase()] || name;
            requestHeaders[name] = value;
          }

          return this;
        },
        // Overrides response content-type header
        overrideMimeType: function (type) {
          if (completed == null) {
            s.mimeType = type;
          }

          return this;
        },
        // Status-dependent callbacks
        statusCode: function (map) {
          var code;

          if (map) {
            if (completed) {
              // Execute the appropriate callbacks
              jqXHR.always(map[jqXHR.status]);
            } else {
              // Lazy-add the new callbacks in a way that preserves old ones
              for (code in map) {
                statusCode[code] = [statusCode[code], map[code]];
              }
            }
          }

          return this;
        },
        // Cancel the request
        abort: function (statusText) {
          var finalText = statusText || strAbort;

          if (transport) {
            transport.abort(finalText);
          }

          done(0, finalText);
          return this;
        }
      }; // Attach deferreds

      deferred.promise(jqXHR); // Add protocol if not provided (prefilters might expect it)
      // Handle falsy url in the settings object (#10093: consistency with old signature)
      // We also use the url parameter if available

      s.url = ((url || s.url || location.href) + "").replace(rprotocol, location.protocol + "//"); // Alias method option to type as per ticket #12004

      s.type = options.method || options.type || s.method || s.type; // Extract dataTypes list

      s.dataTypes = (s.dataType || "*").toLowerCase().match(rnothtmlwhite) || [""]; // A cross-domain request is in order when the origin doesn't match the current origin.

      if (s.crossDomain == null) {
        urlAnchor = document.createElement("a"); // Support: IE <=8 - 11, Edge 12 - 15
        // IE throws exception on accessing the href property if url is malformed,
        // e.g. http://example.com:80x/

        try {
          urlAnchor.href = s.url; // Support: IE <=8 - 11 only
          // Anchor's host property isn't correctly set when s.url is relative

          urlAnchor.href = urlAnchor.href;
          s.crossDomain = originAnchor.protocol + "//" + originAnchor.host !== urlAnchor.protocol + "//" + urlAnchor.host;
        } catch (e) {
          // If there is an error parsing the URL, assume it is crossDomain,
          // it can be rejected by the transport if it is invalid
          s.crossDomain = true;
        }
      } // Convert data if not already a string


      if (s.data && s.processData && typeof s.data !== "string") {
        s.data = jQuery.param(s.data, s.traditional);
      } // Apply prefilters


      inspectPrefiltersOrTransports(prefilters, s, options, jqXHR); // If request was aborted inside a prefilter, stop there

      if (completed) {
        return jqXHR;
      } // We can fire global events as of now if asked to
      // Don't fire events if jQuery.event is undefined in an AMD-usage scenario (#15118)


      fireGlobals = jQuery.event && s.global; // Watch for a new set of requests

      if (fireGlobals && jQuery.active++ === 0) {
        jQuery.event.trigger("ajaxStart");
      } // Uppercase the type


      s.type = s.type.toUpperCase(); // Determine if request has content

      s.hasContent = !rnoContent.test(s.type); // Save the URL in case we're toying with the If-Modified-Since
      // and/or If-None-Match header later on
      // Remove hash to simplify url manipulation

      cacheURL = s.url.replace(rhash, ""); // More options handling for requests with no content

      if (!s.hasContent) {
        // Remember the hash so we can put it back
        uncached = s.url.slice(cacheURL.length); // If data is available and should be processed, append data to url

        if (s.data && (s.processData || typeof s.data === "string")) {
          cacheURL += (rquery.test(cacheURL) ? "&" : "?") + s.data; // #9682: remove data so that it's not used in an eventual retry

          delete s.data;
        } // Add or update anti-cache param if needed


        if (s.cache === false) {
          cacheURL = cacheURL.replace(rantiCache, "$1");
          uncached = (rquery.test(cacheURL) ? "&" : "?") + "_=" + nonce.guid++ + uncached;
        } // Put hash and anti-cache on the URL that will be requested (gh-1732)


        s.url = cacheURL + uncached; // Change '%20' to '+' if this is encoded form body content (gh-2658)
      } else if (s.data && s.processData && (s.contentType || "").indexOf("application/x-www-form-urlencoded") === 0) {
        s.data = s.data.replace(r20, "+");
      } // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.


      if (s.ifModified) {
        if (jQuery.lastModified[cacheURL]) {
          jqXHR.setRequestHeader("If-Modified-Since", jQuery.lastModified[cacheURL]);
        }

        if (jQuery.etag[cacheURL]) {
          jqXHR.setRequestHeader("If-None-Match", jQuery.etag[cacheURL]);
        }
      } // Set the correct header, if data is being sent


      if (s.data && s.hasContent && s.contentType !== false || options.contentType) {
        jqXHR.setRequestHeader("Content-Type", s.contentType);
      } // Set the Accepts header for the server, depending on the dataType


      jqXHR.setRequestHeader("Accept", s.dataTypes[0] && s.accepts[s.dataTypes[0]] ? s.accepts[s.dataTypes[0]] + (s.dataTypes[0] !== "*" ? ", " + allTypes + "; q=0.01" : "") : s.accepts["*"]); // Check for headers option

      for (i in s.headers) {
        jqXHR.setRequestHeader(i, s.headers[i]);
      } // Allow custom headers/mimetypes and early abort


      if (s.beforeSend && (s.beforeSend.call(callbackContext, jqXHR, s) === false || completed)) {
        // Abort if not done already and return
        return jqXHR.abort();
      } // Aborting is no longer a cancellation


      strAbort = "abort"; // Install callbacks on deferreds

      completeDeferred.add(s.complete);
      jqXHR.done(s.success);
      jqXHR.fail(s.error); // Get transport

      transport = inspectPrefiltersOrTransports(transports, s, options, jqXHR); // If no transport, we auto-abort

      if (!transport) {
        done(-1, "No Transport");
      } else {
        jqXHR.readyState = 1; // Send global event

        if (fireGlobals) {
          globalEventContext.trigger("ajaxSend", [jqXHR, s]);
        } // If request was aborted inside ajaxSend, stop there


        if (completed) {
          return jqXHR;
        } // Timeout


        if (s.async && s.timeout > 0) {
          timeoutTimer = window.setTimeout(function () {
            jqXHR.abort("timeout");
          }, s.timeout);
        }

        try {
          completed = false;
          transport.send(requestHeaders, done);
        } catch (e) {
          // Rethrow post-completion exceptions
          if (completed) {
            throw e;
          } // Propagate others as results


          done(-1, e);
        }
      } // Callback for when everything is done


      function done(status, nativeStatusText, responses, headers) {
        var isSuccess,
            success,
            error,
            response,
            modified,
            statusText = nativeStatusText; // Ignore repeat invocations

        if (completed) {
          return;
        }

        completed = true; // Clear timeout if it exists

        if (timeoutTimer) {
          window.clearTimeout(timeoutTimer);
        } // Dereference transport for early garbage collection
        // (no matter how long the jqXHR object will be used)


        transport = undefined; // Cache response headers

        responseHeadersString = headers || ""; // Set readyState

        jqXHR.readyState = status > 0 ? 4 : 0; // Determine if successful

        isSuccess = status >= 200 && status < 300 || status === 304; // Get response data

        if (responses) {
          response = ajaxHandleResponses(s, jqXHR, responses);
        } // Use a noop converter for missing script but not if jsonp


        if (!isSuccess && jQuery.inArray("script", s.dataTypes) > -1 && jQuery.inArray("json", s.dataTypes) < 0) {
          s.converters["text script"] = function () {};
        } // Convert no matter what (that way responseXXX fields are always set)


        response = ajaxConvert(s, response, jqXHR, isSuccess); // If successful, handle type chaining

        if (isSuccess) {
          // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
          if (s.ifModified) {
            modified = jqXHR.getResponseHeader("Last-Modified");

            if (modified) {
              jQuery.lastModified[cacheURL] = modified;
            }

            modified = jqXHR.getResponseHeader("etag");

            if (modified) {
              jQuery.etag[cacheURL] = modified;
            }
          } // if no content


          if (status === 204 || s.type === "HEAD") {
            statusText = "nocontent"; // if not modified
          } else if (status === 304) {
            statusText = "notmodified"; // If we have data, let's convert it
          } else {
            statusText = response.state;
            success = response.data;
            error = response.error;
            isSuccess = !error;
          }
        } else {
          // Extract error from statusText and normalize for non-aborts
          error = statusText;

          if (status || !statusText) {
            statusText = "error";

            if (status < 0) {
              status = 0;
            }
          }
        } // Set data for the fake xhr object


        jqXHR.status = status;
        jqXHR.statusText = (nativeStatusText || statusText) + ""; // Success/Error

        if (isSuccess) {
          deferred.resolveWith(callbackContext, [success, statusText, jqXHR]);
        } else {
          deferred.rejectWith(callbackContext, [jqXHR, statusText, error]);
        } // Status-dependent callbacks


        jqXHR.statusCode(statusCode);
        statusCode = undefined;

        if (fireGlobals) {
          globalEventContext.trigger(isSuccess ? "ajaxSuccess" : "ajaxError", [jqXHR, s, isSuccess ? success : error]);
        } // Complete


        completeDeferred.fireWith(callbackContext, [jqXHR, statusText]);

        if (fireGlobals) {
          globalEventContext.trigger("ajaxComplete", [jqXHR, s]); // Handle the global AJAX counter

          if (! --jQuery.active) {
            jQuery.event.trigger("ajaxStop");
          }
        }
      }

      return jqXHR;
    },
    getJSON: function (url, data, callback) {
      return jQuery.get(url, data, callback, "json");
    },
    getScript: function (url, callback) {
      return jQuery.get(url, undefined, callback, "script");
    }
  });
  jQuery.each(["get", "post"], function (_i, method) {
    jQuery[method] = function (url, data, callback, type) {
      // Shift arguments if data argument was omitted
      if (isFunction(data)) {
        type = type || callback;
        callback = data;
        data = undefined;
      } // The url can be an options object (which then must have .url)


      return jQuery.ajax(jQuery.extend({
        url: url,
        type: method,
        dataType: type,
        data: data,
        success: callback
      }, jQuery.isPlainObject(url) && url));
    };
  });
  jQuery.ajaxPrefilter(function (s) {
    var i;

    for (i in s.headers) {
      if (i.toLowerCase() === "content-type") {
        s.contentType = s.headers[i] || "";
      }
    }
  });

  jQuery._evalUrl = function (url, options, doc) {
    return jQuery.ajax({
      url: url,
      // Make this explicit, since user can override this through ajaxSetup (#11264)
      type: "GET",
      dataType: "script",
      cache: true,
      async: false,
      global: false,
      // Only evaluate the response if it is successful (gh-4126)
      // dataFilter is not invoked for failure responses, so using it instead
      // of the default converter is kludgy but it works.
      converters: {
        "text script": function () {}
      },
      dataFilter: function (response) {
        jQuery.globalEval(response, options, doc);
      }
    });
  };

  jQuery.fn.extend({
    wrapAll: function (html) {
      var wrap;

      if (this[0]) {
        if (isFunction(html)) {
          html = html.call(this[0]);
        } // The elements to wrap the target around


        wrap = jQuery(html, this[0].ownerDocument).eq(0).clone(true);

        if (this[0].parentNode) {
          wrap.insertBefore(this[0]);
        }

        wrap.map(function () {
          var elem = this;

          while (elem.firstElementChild) {
            elem = elem.firstElementChild;
          }

          return elem;
        }).append(this);
      }

      return this;
    },
    wrapInner: function (html) {
      if (isFunction(html)) {
        return this.each(function (i) {
          jQuery(this).wrapInner(html.call(this, i));
        });
      }

      return this.each(function () {
        var self = jQuery(this),
            contents = self.contents();

        if (contents.length) {
          contents.wrapAll(html);
        } else {
          self.append(html);
        }
      });
    },
    wrap: function (html) {
      var htmlIsFunction = isFunction(html);
      return this.each(function (i) {
        jQuery(this).wrapAll(htmlIsFunction ? html.call(this, i) : html);
      });
    },
    unwrap: function (selector) {
      this.parent(selector).not("body").each(function () {
        jQuery(this).replaceWith(this.childNodes);
      });
      return this;
    }
  });

  jQuery.expr.pseudos.hidden = function (elem) {
    return !jQuery.expr.pseudos.visible(elem);
  };

  jQuery.expr.pseudos.visible = function (elem) {
    return !!(elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length);
  };

  jQuery.ajaxSettings.xhr = function () {
    try {
      return new window.XMLHttpRequest();
    } catch (e) {}
  };

  var xhrSuccessStatus = {
    // File protocol always yields status code 0, assume 200
    0: 200,
    // Support: IE <=9 only
    // #1450: sometimes IE returns 1223 when it should be 204
    1223: 204
  },
      xhrSupported = jQuery.ajaxSettings.xhr();
  support.cors = !!xhrSupported && "withCredentials" in xhrSupported;
  support.ajax = xhrSupported = !!xhrSupported;
  jQuery.ajaxTransport(function (options) {
    var callback, errorCallback; // Cross domain only allowed if supported through XMLHttpRequest

    if (support.cors || xhrSupported && !options.crossDomain) {
      return {
        send: function (headers, complete) {
          var i,
              xhr = options.xhr();
          xhr.open(options.type, options.url, options.async, options.username, options.password); // Apply custom fields if provided

          if (options.xhrFields) {
            for (i in options.xhrFields) {
              xhr[i] = options.xhrFields[i];
            }
          } // Override mime type if needed


          if (options.mimeType && xhr.overrideMimeType) {
            xhr.overrideMimeType(options.mimeType);
          } // X-Requested-With header
          // For cross-domain requests, seeing as conditions for a preflight are
          // akin to a jigsaw puzzle, we simply never set it to be sure.
          // (it can always be set on a per-request basis or even using ajaxSetup)
          // For same-domain requests, won't change header if already provided.


          if (!options.crossDomain && !headers["X-Requested-With"]) {
            headers["X-Requested-With"] = "XMLHttpRequest";
          } // Set headers


          for (i in headers) {
            xhr.setRequestHeader(i, headers[i]);
          } // Callback


          callback = function (type) {
            return function () {
              if (callback) {
                callback = errorCallback = xhr.onload = xhr.onerror = xhr.onabort = xhr.ontimeout = xhr.onreadystatechange = null;

                if (type === "abort") {
                  xhr.abort();
                } else if (type === "error") {
                  // Support: IE <=9 only
                  // On a manual native abort, IE9 throws
                  // errors on any property access that is not readyState
                  if (typeof xhr.status !== "number") {
                    complete(0, "error");
                  } else {
                    complete( // File: protocol always yields status 0; see #8605, #14207
                    xhr.status, xhr.statusText);
                  }
                } else {
                  complete(xhrSuccessStatus[xhr.status] || xhr.status, xhr.statusText, // Support: IE <=9 only
                  // IE9 has no XHR2 but throws on binary (trac-11426)
                  // For XHR2 non-text, let the caller handle it (gh-2498)
                  (xhr.responseType || "text") !== "text" || typeof xhr.responseText !== "string" ? {
                    binary: xhr.response
                  } : {
                    text: xhr.responseText
                  }, xhr.getAllResponseHeaders());
                }
              }
            };
          }; // Listen to events


          xhr.onload = callback();
          errorCallback = xhr.onerror = xhr.ontimeout = callback("error"); // Support: IE 9 only
          // Use onreadystatechange to replace onabort
          // to handle uncaught aborts

          if (xhr.onabort !== undefined) {
            xhr.onabort = errorCallback;
          } else {
            xhr.onreadystatechange = function () {
              // Check readyState before timeout as it changes
              if (xhr.readyState === 4) {
                // Allow onerror to be called first,
                // but that will not handle a native abort
                // Also, save errorCallback to a variable
                // as xhr.onerror cannot be accessed
                window.setTimeout(function () {
                  if (callback) {
                    errorCallback();
                  }
                });
              }
            };
          } // Create the abort callback


          callback = callback("abort");

          try {
            // Do send the request (this may raise an exception)
            xhr.send(options.hasContent && options.data || null);
          } catch (e) {
            // #14683: Only rethrow if this hasn't been notified as an error yet
            if (callback) {
              throw e;
            }
          }
        },
        abort: function () {
          if (callback) {
            callback();
          }
        }
      };
    }
  }); // Prevent auto-execution of scripts when no explicit dataType was provided (See gh-2432)

  jQuery.ajaxPrefilter(function (s) {
    if (s.crossDomain) {
      s.contents.script = false;
    }
  }); // Install script dataType

  jQuery.ajaxSetup({
    accepts: {
      script: "text/javascript, application/javascript, " + "application/ecmascript, application/x-ecmascript"
    },
    contents: {
      script: /\b(?:java|ecma)script\b/
    },
    converters: {
      "text script": function (text) {
        jQuery.globalEval(text);
        return text;
      }
    }
  }); // Handle cache's special case and crossDomain

  jQuery.ajaxPrefilter("script", function (s) {
    if (s.cache === undefined) {
      s.cache = false;
    }

    if (s.crossDomain) {
      s.type = "GET";
    }
  }); // Bind script tag hack transport

  jQuery.ajaxTransport("script", function (s) {
    // This transport only deals with cross domain or forced-by-attrs requests
    if (s.crossDomain || s.scriptAttrs) {
      var script, callback;
      return {
        send: function (_, complete) {
          script = jQuery("<script>").attr(s.scriptAttrs || {}).prop({
            charset: s.scriptCharset,
            src: s.url
          }).on("load error", callback = function (evt) {
            script.remove();
            callback = null;

            if (evt) {
              complete(evt.type === "error" ? 404 : 200, evt.type);
            }
          }); // Use native DOM manipulation to avoid our domManip AJAX trickery

          document.head.appendChild(script[0]);
        },
        abort: function () {
          if (callback) {
            callback();
          }
        }
      };
    }
  });
  var oldCallbacks = [],
      rjsonp = /(=)\?(?=&|$)|\?\?/; // Default jsonp settings

  jQuery.ajaxSetup({
    jsonp: "callback",
    jsonpCallback: function () {
      var callback = oldCallbacks.pop() || jQuery.expando + "_" + nonce.guid++;
      this[callback] = true;
      return callback;
    }
  }); // Detect, normalize options and install callbacks for jsonp requests

  jQuery.ajaxPrefilter("json jsonp", function (s, originalSettings, jqXHR) {
    var callbackName,
        overwritten,
        responseContainer,
        jsonProp = s.jsonp !== false && (rjsonp.test(s.url) ? "url" : typeof s.data === "string" && (s.contentType || "").indexOf("application/x-www-form-urlencoded") === 0 && rjsonp.test(s.data) && "data"); // Handle iff the expected data type is "jsonp" or we have a parameter to set

    if (jsonProp || s.dataTypes[0] === "jsonp") {
      // Get callback name, remembering preexisting value associated with it
      callbackName = s.jsonpCallback = isFunction(s.jsonpCallback) ? s.jsonpCallback() : s.jsonpCallback; // Insert callback into url or form data

      if (jsonProp) {
        s[jsonProp] = s[jsonProp].replace(rjsonp, "$1" + callbackName);
      } else if (s.jsonp !== false) {
        s.url += (rquery.test(s.url) ? "&" : "?") + s.jsonp + "=" + callbackName;
      } // Use data converter to retrieve json after script execution


      s.converters["script json"] = function () {
        if (!responseContainer) {
          jQuery.error(callbackName + " was not called");
        }

        return responseContainer[0];
      }; // Force json dataType


      s.dataTypes[0] = "json"; // Install callback

      overwritten = window[callbackName];

      window[callbackName] = function () {
        responseContainer = arguments;
      }; // Clean-up function (fires after converters)


      jqXHR.always(function () {
        // If previous value didn't exist - remove it
        if (overwritten === undefined) {
          jQuery(window).removeProp(callbackName); // Otherwise restore preexisting value
        } else {
          window[callbackName] = overwritten;
        } // Save back as free


        if (s[callbackName]) {
          // Make sure that re-using the options doesn't screw things around
          s.jsonpCallback = originalSettings.jsonpCallback; // Save the callback name for future use

          oldCallbacks.push(callbackName);
        } // Call if it was a function and we have a response


        if (responseContainer && isFunction(overwritten)) {
          overwritten(responseContainer[0]);
        }

        responseContainer = overwritten = undefined;
      }); // Delegate to script

      return "script";
    }
  }); // Support: Safari 8 only
  // In Safari 8 documents created via document.implementation.createHTMLDocument
  // collapse sibling forms: the second one becomes a child of the first one.
  // Because of that, this security measure has to be disabled in Safari 8.
  // https://bugs.webkit.org/show_bug.cgi?id=137337

  support.createHTMLDocument = function () {
    var body = document.implementation.createHTMLDocument("").body;
    body.innerHTML = "<form></form><form></form>";
    return body.childNodes.length === 2;
  }(); // Argument "data" should be string of html
  // context (optional): If specified, the fragment will be created in this context,
  // defaults to document
  // keepScripts (optional): If true, will include scripts passed in the html string


  jQuery.parseHTML = function (data, context, keepScripts) {
    if (typeof data !== "string") {
      return [];
    }

    if (typeof context === "boolean") {
      keepScripts = context;
      context = false;
    }

    var base, parsed, scripts;

    if (!context) {
      // Stop scripts or inline event handlers from being executed immediately
      // by using document.implementation
      if (support.createHTMLDocument) {
        context = document.implementation.createHTMLDocument(""); // Set the base href for the created document
        // so any parsed elements with URLs
        // are based on the document's URL (gh-2965)

        base = context.createElement("base");
        base.href = document.location.href;
        context.head.appendChild(base);
      } else {
        context = document;
      }
    }

    parsed = rsingleTag.exec(data);
    scripts = !keepScripts && []; // Single tag

    if (parsed) {
      return [context.createElement(parsed[1])];
    }

    parsed = buildFragment([data], context, scripts);

    if (scripts && scripts.length) {
      jQuery(scripts).remove();
    }

    return jQuery.merge([], parsed.childNodes);
  };
  /**
   * Load a url into a page
   */


  jQuery.fn.load = function (url, params, callback) {
    var selector,
        type,
        response,
        self = this,
        off = url.indexOf(" ");

    if (off > -1) {
      selector = stripAndCollapse(url.slice(off));
      url = url.slice(0, off);
    } // If it's a function


    if (isFunction(params)) {
      // We assume that it's the callback
      callback = params;
      params = undefined; // Otherwise, build a param string
    } else if (params && typeof params === "object") {
      type = "POST";
    } // If we have elements to modify, make the request


    if (self.length > 0) {
      jQuery.ajax({
        url: url,
        // If "type" variable is undefined, then "GET" method will be used.
        // Make value of this field explicit since
        // user can override it through ajaxSetup method
        type: type || "GET",
        dataType: "html",
        data: params
      }).done(function (responseText) {
        // Save response for use in complete callback
        response = arguments;
        self.html(selector ? // If a selector was specified, locate the right elements in a dummy div
        // Exclude scripts to avoid IE 'Permission Denied' errors
        jQuery("<div>").append(jQuery.parseHTML(responseText)).find(selector) : // Otherwise use the full result
        responseText); // If the request succeeds, this function gets "data", "status", "jqXHR"
        // but they are ignored because response was set above.
        // If it fails, this function gets "jqXHR", "status", "error"
      }).always(callback && function (jqXHR, status) {
        self.each(function () {
          callback.apply(this, response || [jqXHR.responseText, status, jqXHR]);
        });
      });
    }

    return this;
  };

  jQuery.expr.pseudos.animated = function (elem) {
    return jQuery.grep(jQuery.timers, function (fn) {
      return elem === fn.elem;
    }).length;
  };

  jQuery.offset = {
    setOffset: function (elem, options, i) {
      var curPosition,
          curLeft,
          curCSSTop,
          curTop,
          curOffset,
          curCSSLeft,
          calculatePosition,
          position = jQuery.css(elem, "position"),
          curElem = jQuery(elem),
          props = {}; // Set position first, in-case top/left are set even on static elem

      if (position === "static") {
        elem.style.position = "relative";
      }

      curOffset = curElem.offset();
      curCSSTop = jQuery.css(elem, "top");
      curCSSLeft = jQuery.css(elem, "left");
      calculatePosition = (position === "absolute" || position === "fixed") && (curCSSTop + curCSSLeft).indexOf("auto") > -1; // Need to be able to calculate position if either
      // top or left is auto and position is either absolute or fixed

      if (calculatePosition) {
        curPosition = curElem.position();
        curTop = curPosition.top;
        curLeft = curPosition.left;
      } else {
        curTop = parseFloat(curCSSTop) || 0;
        curLeft = parseFloat(curCSSLeft) || 0;
      }

      if (isFunction(options)) {
        // Use jQuery.extend here to allow modification of coordinates argument (gh-1848)
        options = options.call(elem, i, jQuery.extend({}, curOffset));
      }

      if (options.top != null) {
        props.top = options.top - curOffset.top + curTop;
      }

      if (options.left != null) {
        props.left = options.left - curOffset.left + curLeft;
      }

      if ("using" in options) {
        options.using.call(elem, props);
      } else {
        curElem.css(props);
      }
    }
  };
  jQuery.fn.extend({
    // offset() relates an element's border box to the document origin
    offset: function (options) {
      // Preserve chaining for setter
      if (arguments.length) {
        return options === undefined ? this : this.each(function (i) {
          jQuery.offset.setOffset(this, options, i);
        });
      }

      var rect,
          win,
          elem = this[0];

      if (!elem) {
        return;
      } // Return zeros for disconnected and hidden (display: none) elements (gh-2310)
      // Support: IE <=11 only
      // Running getBoundingClientRect on a
      // disconnected node in IE throws an error


      if (!elem.getClientRects().length) {
        return {
          top: 0,
          left: 0
        };
      } // Get document-relative position by adding viewport scroll to viewport-relative gBCR


      rect = elem.getBoundingClientRect();
      win = elem.ownerDocument.defaultView;
      return {
        top: rect.top + win.pageYOffset,
        left: rect.left + win.pageXOffset
      };
    },
    // position() relates an element's margin box to its offset parent's padding box
    // This corresponds to the behavior of CSS absolute positioning
    position: function () {
      if (!this[0]) {
        return;
      }

      var offsetParent,
          offset,
          doc,
          elem = this[0],
          parentOffset = {
        top: 0,
        left: 0
      }; // position:fixed elements are offset from the viewport, which itself always has zero offset

      if (jQuery.css(elem, "position") === "fixed") {
        // Assume position:fixed implies availability of getBoundingClientRect
        offset = elem.getBoundingClientRect();
      } else {
        offset = this.offset(); // Account for the *real* offset parent, which can be the document or its root element
        // when a statically positioned element is identified

        doc = elem.ownerDocument;
        offsetParent = elem.offsetParent || doc.documentElement;

        while (offsetParent && (offsetParent === doc.body || offsetParent === doc.documentElement) && jQuery.css(offsetParent, "position") === "static") {
          offsetParent = offsetParent.parentNode;
        }

        if (offsetParent && offsetParent !== elem && offsetParent.nodeType === 1) {
          // Incorporate borders into its offset, since they are outside its content origin
          parentOffset = jQuery(offsetParent).offset();
          parentOffset.top += jQuery.css(offsetParent, "borderTopWidth", true);
          parentOffset.left += jQuery.css(offsetParent, "borderLeftWidth", true);
        }
      } // Subtract parent offsets and element margins


      return {
        top: offset.top - parentOffset.top - jQuery.css(elem, "marginTop", true),
        left: offset.left - parentOffset.left - jQuery.css(elem, "marginLeft", true)
      };
    },
    // This method will return documentElement in the following cases:
    // 1) For the element inside the iframe without offsetParent, this method will return
    //    documentElement of the parent window
    // 2) For the hidden or detached element
    // 3) For body or html element, i.e. in case of the html node - it will return itself
    //
    // but those exceptions were never presented as a real life use-cases
    // and might be considered as more preferable results.
    //
    // This logic, however, is not guaranteed and can change at any point in the future
    offsetParent: function () {
      return this.map(function () {
        var offsetParent = this.offsetParent;

        while (offsetParent && jQuery.css(offsetParent, "position") === "static") {
          offsetParent = offsetParent.offsetParent;
        }

        return offsetParent || documentElement;
      });
    }
  }); // Create scrollLeft and scrollTop methods

  jQuery.each({
    scrollLeft: "pageXOffset",
    scrollTop: "pageYOffset"
  }, function (method, prop) {
    var top = "pageYOffset" === prop;

    jQuery.fn[method] = function (val) {
      return access(this, function (elem, method, val) {
        // Coalesce documents and windows
        var win;

        if (isWindow(elem)) {
          win = elem;
        } else if (elem.nodeType === 9) {
          win = elem.defaultView;
        }

        if (val === undefined) {
          return win ? win[prop] : elem[method];
        }

        if (win) {
          win.scrollTo(!top ? val : win.pageXOffset, top ? val : win.pageYOffset);
        } else {
          elem[method] = val;
        }
      }, method, val, arguments.length);
    };
  }); // Support: Safari <=7 - 9.1, Chrome <=37 - 49
  // Add the top/left cssHooks using jQuery.fn.position
  // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
  // Blink bug: https://bugs.chromium.org/p/chromium/issues/detail?id=589347
  // getComputedStyle returns percent when specified for top/left/bottom/right;
  // rather than make the css module depend on the offset module, just check for it here

  jQuery.each(["top", "left"], function (_i, prop) {
    jQuery.cssHooks[prop] = addGetHookIf(support.pixelPosition, function (elem, computed) {
      if (computed) {
        computed = curCSS(elem, prop); // If curCSS returns percentage, fallback to offset

        return rnumnonpx.test(computed) ? jQuery(elem).position()[prop] + "px" : computed;
      }
    });
  }); // Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods

  jQuery.each({
    Height: "height",
    Width: "width"
  }, function (name, type) {
    jQuery.each({
      padding: "inner" + name,
      content: type,
      "": "outer" + name
    }, function (defaultExtra, funcName) {
      // Margin is only for outerHeight, outerWidth
      jQuery.fn[funcName] = function (margin, value) {
        var chainable = arguments.length && (defaultExtra || typeof margin !== "boolean"),
            extra = defaultExtra || (margin === true || value === true ? "margin" : "border");
        return access(this, function (elem, type, value) {
          var doc;

          if (isWindow(elem)) {
            // $( window ).outerWidth/Height return w/h including scrollbars (gh-1729)
            return funcName.indexOf("outer") === 0 ? elem["inner" + name] : elem.document.documentElement["client" + name];
          } // Get document width or height


          if (elem.nodeType === 9) {
            doc = elem.documentElement; // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height],
            // whichever is greatest

            return Math.max(elem.body["scroll" + name], doc["scroll" + name], elem.body["offset" + name], doc["offset" + name], doc["client" + name]);
          }

          return value === undefined ? // Get width or height on the element, requesting but not forcing parseFloat
          jQuery.css(elem, type, extra) : // Set width or height on the element
          jQuery.style(elem, type, value, extra);
        }, type, chainable ? margin : undefined, chainable);
      };
    });
  });
  jQuery.each(["ajaxStart", "ajaxStop", "ajaxComplete", "ajaxError", "ajaxSuccess", "ajaxSend"], function (_i, type) {
    jQuery.fn[type] = function (fn) {
      return this.on(type, fn);
    };
  });
  jQuery.fn.extend({
    bind: function (types, data, fn) {
      return this.on(types, null, data, fn);
    },
    unbind: function (types, fn) {
      return this.off(types, null, fn);
    },
    delegate: function (selector, types, data, fn) {
      return this.on(types, selector, data, fn);
    },
    undelegate: function (selector, types, fn) {
      // ( namespace ) or ( selector, types [, fn] )
      return arguments.length === 1 ? this.off(selector, "**") : this.off(types, selector || "**", fn);
    },
    hover: function (fnOver, fnOut) {
      return this.mouseenter(fnOver).mouseleave(fnOut || fnOver);
    }
  });
  jQuery.each(("blur focus focusin focusout resize scroll click dblclick " + "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " + "change select submit keydown keypress keyup contextmenu").split(" "), function (_i, name) {
    // Handle event binding
    jQuery.fn[name] = function (data, fn) {
      return arguments.length > 0 ? this.on(name, null, data, fn) : this.trigger(name);
    };
  }); // Support: Android <=4.0 only
  // Make sure we trim BOM and NBSP

  var rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g; // Bind a function to a context, optionally partially applying any
  // arguments.
  // jQuery.proxy is deprecated to promote standards (specifically Function#bind)
  // However, it is not slated for removal any time soon

  jQuery.proxy = function (fn, context) {
    var tmp, args, proxy;

    if (typeof context === "string") {
      tmp = fn[context];
      context = fn;
      fn = tmp;
    } // Quick check to determine if target is callable, in the spec
    // this throws a TypeError, but we will just return undefined.


    if (!isFunction(fn)) {
      return undefined;
    } // Simulated bind


    args = slice.call(arguments, 2);

    proxy = function () {
      return fn.apply(context || this, args.concat(slice.call(arguments)));
    }; // Set the guid of unique handler to the same of original handler, so it can be removed


    proxy.guid = fn.guid = fn.guid || jQuery.guid++;
    return proxy;
  };

  jQuery.holdReady = function (hold) {
    if (hold) {
      jQuery.readyWait++;
    } else {
      jQuery.ready(true);
    }
  };

  jQuery.isArray = Array.isArray;
  jQuery.parseJSON = JSON.parse;
  jQuery.nodeName = nodeName;
  jQuery.isFunction = isFunction;
  jQuery.isWindow = isWindow;
  jQuery.camelCase = camelCase;
  jQuery.type = toType;
  jQuery.now = Date.now;

  jQuery.isNumeric = function (obj) {
    // As of jQuery 3.0, isNumeric is limited to
    // strings and numbers (primitives or objects)
    // that can be coerced to finite numbers (gh-2662)
    var type = jQuery.type(obj);
    return (type === "number" || type === "string") && // parseFloat NaNs numeric-cast false positives ("")
    // ...but misinterprets leading-number strings, particularly hex literals ("0x...")
    // subtraction forces infinities to NaN
    !isNaN(obj - parseFloat(obj));
  };

  jQuery.trim = function (text) {
    return text == null ? "" : (text + "").replace(rtrim, "");
  }; // Register as a named AMD module, since jQuery can be concatenated with other
  // files that may use define, but not via a proper concatenation script that
  // understands anonymous AMD modules. A named AMD is safest and most robust
  // way to register. Lowercase jquery is used because AMD module names are
  // derived from file names, and jQuery is normally delivered in a lowercase
  // file name. Do this after creating the global so that if an AMD module wants
  // to call noConflict to hide this version of jQuery, it will work.
  // Note that for maximum portability, libraries that are not jQuery should
  // declare themselves as anonymous modules, and avoid setting a global if an
  // AMD loader is present. jQuery is a special case. For more information, see
  // https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon


  if (true) {
    !(__WEBPACK_AMD_DEFINE_ARRAY__ = [], __WEBPACK_AMD_DEFINE_RESULT__ = (function () {
      return jQuery;
    }).apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__),
		__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
  }

  var // Map over jQuery in case of overwrite
  _jQuery = window.jQuery,
      // Map over the $ in case of overwrite
  _$ = window.$;

  jQuery.noConflict = function (deep) {
    if (window.$ === jQuery) {
      window.$ = _$;
    }

    if (deep && window.jQuery === jQuery) {
      window.jQuery = _jQuery;
    }

    return jQuery;
  }; // Expose jQuery and $ identifiers, even in AMD
  // (#7102#comment:10, https://github.com/jquery/jquery/pull/557)
  // and CommonJS for browser emulators (#13566)


  if (typeof noGlobal === "undefined") {
    window.jQuery = window.$ = jQuery;
  }

  return jQuery;
});

/***/ }),
/* 2 */
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


const $ = __webpack_require__(1);

const md5 = __webpack_require__(3);

module.exports = async function () {
  const baseItems = [];
  $('video').each(function (i) {
    let url;

    try {
      url = this.src || ($(this).find('source').length > 0 ? $(this).find('source')[0].src : '');
    } catch (error) {
      return console.error(error);
    }

    if (!url) return;
    const meta = {};
    const id = `mono-${md5(url)}`;
    const container = this.parentElement;
    const position = {
      x: -10,
      y: 10
    };
    baseItems.push({
      id,
      url,
      meta,
      container,
      position
    });
  });
  return baseItems;
};

/***/ }),
/* 3 */
/***/ (function(module, exports, __webpack_require__) {

var __WEBPACK_AMD_DEFINE_RESULT__;/*
 * JavaScript MD5
 * https://github.com/blueimp/JavaScript-MD5
 *
 * Copyright 2011, Sebastian Tschan
 * https://blueimp.net
 *
 * Licensed under the MIT license:
 * https://opensource.org/licenses/MIT
 *
 * Based on
 * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
 * Digest Algorithm, as defined in RFC 1321.
 * Version 2.2 Copyright (C) Paul Johnston 1999 - 2009
 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
 * Distributed under the BSD License
 * See http://pajhome.org.uk/crypt/md5 for more info.
 */

/* global define */

/* eslint-disable strict */
;

(function ($) {
  'use strict';
  /**
   * Add integers, wrapping at 2^32.
   * This uses 16-bit operations internally to work around bugs in interpreters.
   *
   * @param {number} x First integer
   * @param {number} y Second integer
   * @returns {number} Sum
   */

  function safeAdd(x, y) {
    var lsw = (x & 0xffff) + (y & 0xffff);
    var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
    return msw << 16 | lsw & 0xffff;
  }
  /**
   * Bitwise rotate a 32-bit number to the left.
   *
   * @param {number} num 32-bit number
   * @param {number} cnt Rotation count
   * @returns {number} Rotated number
   */


  function bitRotateLeft(num, cnt) {
    return num << cnt | num >>> 32 - cnt;
  }
  /**
   * Basic operation the algorithm uses.
   *
   * @param {number} q q
   * @param {number} a a
   * @param {number} b b
   * @param {number} x x
   * @param {number} s s
   * @param {number} t t
   * @returns {number} Result
   */


  function md5cmn(q, a, b, x, s, t) {
    return safeAdd(bitRotateLeft(safeAdd(safeAdd(a, q), safeAdd(x, t)), s), b);
  }
  /**
   * Basic operation the algorithm uses.
   *
   * @param {number} a a
   * @param {number} b b
   * @param {number} c c
   * @param {number} d d
   * @param {number} x x
   * @param {number} s s
   * @param {number} t t
   * @returns {number} Result
   */


  function md5ff(a, b, c, d, x, s, t) {
    return md5cmn(b & c | ~b & d, a, b, x, s, t);
  }
  /**
   * Basic operation the algorithm uses.
   *
   * @param {number} a a
   * @param {number} b b
   * @param {number} c c
   * @param {number} d d
   * @param {number} x x
   * @param {number} s s
   * @param {number} t t
   * @returns {number} Result
   */


  function md5gg(a, b, c, d, x, s, t) {
    return md5cmn(b & d | c & ~d, a, b, x, s, t);
  }
  /**
   * Basic operation the algorithm uses.
   *
   * @param {number} a a
   * @param {number} b b
   * @param {number} c c
   * @param {number} d d
   * @param {number} x x
   * @param {number} s s
   * @param {number} t t
   * @returns {number} Result
   */


  function md5hh(a, b, c, d, x, s, t) {
    return md5cmn(b ^ c ^ d, a, b, x, s, t);
  }
  /**
   * Basic operation the algorithm uses.
   *
   * @param {number} a a
   * @param {number} b b
   * @param {number} c c
   * @param {number} d d
   * @param {number} x x
   * @param {number} s s
   * @param {number} t t
   * @returns {number} Result
   */


  function md5ii(a, b, c, d, x, s, t) {
    return md5cmn(c ^ (b | ~d), a, b, x, s, t);
  }
  /**
   * Calculate the MD5 of an array of little-endian words, and a bit length.
   *
   * @param {Array} x Array of little-endian words
   * @param {number} len Bit length
   * @returns {Array<number>} MD5 Array
   */


  function binlMD5(x, len) {
    /* append padding */
    x[len >> 5] |= 0x80 << len % 32;
    x[(len + 64 >>> 9 << 4) + 14] = len;
    var i;
    var olda;
    var oldb;
    var oldc;
    var oldd;
    var a = 1732584193;
    var b = -271733879;
    var c = -1732584194;
    var d = 271733878;

    for (i = 0; i < x.length; i += 16) {
      olda = a;
      oldb = b;
      oldc = c;
      oldd = d;
      a = md5ff(a, b, c, d, x[i], 7, -680876936);
      d = md5ff(d, a, b, c, x[i + 1], 12, -389564586);
      c = md5ff(c, d, a, b, x[i + 2], 17, 606105819);
      b = md5ff(b, c, d, a, x[i + 3], 22, -1044525330);
      a = md5ff(a, b, c, d, x[i + 4], 7, -176418897);
      d = md5ff(d, a, b, c, x[i + 5], 12, 1200080426);
      c = md5ff(c, d, a, b, x[i + 6], 17, -1473231341);
      b = md5ff(b, c, d, a, x[i + 7], 22, -45705983);
      a = md5ff(a, b, c, d, x[i + 8], 7, 1770035416);
      d = md5ff(d, a, b, c, x[i + 9], 12, -1958414417);
      c = md5ff(c, d, a, b, x[i + 10], 17, -42063);
      b = md5ff(b, c, d, a, x[i + 11], 22, -1990404162);
      a = md5ff(a, b, c, d, x[i + 12], 7, 1804603682);
      d = md5ff(d, a, b, c, x[i + 13], 12, -40341101);
      c = md5ff(c, d, a, b, x[i + 14], 17, -1502002290);
      b = md5ff(b, c, d, a, x[i + 15], 22, 1236535329);
      a = md5gg(a, b, c, d, x[i + 1], 5, -165796510);
      d = md5gg(d, a, b, c, x[i + 6], 9, -1069501632);
      c = md5gg(c, d, a, b, x[i + 11], 14, 643717713);
      b = md5gg(b, c, d, a, x[i], 20, -373897302);
      a = md5gg(a, b, c, d, x[i + 5], 5, -701558691);
      d = md5gg(d, a, b, c, x[i + 10], 9, 38016083);
      c = md5gg(c, d, a, b, x[i + 15], 14, -660478335);
      b = md5gg(b, c, d, a, x[i + 4], 20, -405537848);
      a = md5gg(a, b, c, d, x[i + 9], 5, 568446438);
      d = md5gg(d, a, b, c, x[i + 14], 9, -1019803690);
      c = md5gg(c, d, a, b, x[i + 3], 14, -187363961);
      b = md5gg(b, c, d, a, x[i + 8], 20, 1163531501);
      a = md5gg(a, b, c, d, x[i + 13], 5, -1444681467);
      d = md5gg(d, a, b, c, x[i + 2], 9, -51403784);
      c = md5gg(c, d, a, b, x[i + 7], 14, 1735328473);
      b = md5gg(b, c, d, a, x[i + 12], 20, -1926607734);
      a = md5hh(a, b, c, d, x[i + 5], 4, -378558);
      d = md5hh(d, a, b, c, x[i + 8], 11, -2022574463);
      c = md5hh(c, d, a, b, x[i + 11], 16, 1839030562);
      b = md5hh(b, c, d, a, x[i + 14], 23, -35309556);
      a = md5hh(a, b, c, d, x[i + 1], 4, -1530992060);
      d = md5hh(d, a, b, c, x[i + 4], 11, 1272893353);
      c = md5hh(c, d, a, b, x[i + 7], 16, -155497632);
      b = md5hh(b, c, d, a, x[i + 10], 23, -1094730640);
      a = md5hh(a, b, c, d, x[i + 13], 4, 681279174);
      d = md5hh(d, a, b, c, x[i], 11, -358537222);
      c = md5hh(c, d, a, b, x[i + 3], 16, -722521979);
      b = md5hh(b, c, d, a, x[i + 6], 23, 76029189);
      a = md5hh(a, b, c, d, x[i + 9], 4, -640364487);
      d = md5hh(d, a, b, c, x[i + 12], 11, -421815835);
      c = md5hh(c, d, a, b, x[i + 15], 16, 530742520);
      b = md5hh(b, c, d, a, x[i + 2], 23, -995338651);
      a = md5ii(a, b, c, d, x[i], 6, -198630844);
      d = md5ii(d, a, b, c, x[i + 7], 10, 1126891415);
      c = md5ii(c, d, a, b, x[i + 14], 15, -1416354905);
      b = md5ii(b, c, d, a, x[i + 5], 21, -57434055);
      a = md5ii(a, b, c, d, x[i + 12], 6, 1700485571);
      d = md5ii(d, a, b, c, x[i + 3], 10, -1894986606);
      c = md5ii(c, d, a, b, x[i + 10], 15, -1051523);
      b = md5ii(b, c, d, a, x[i + 1], 21, -2054922799);
      a = md5ii(a, b, c, d, x[i + 8], 6, 1873313359);
      d = md5ii(d, a, b, c, x[i + 15], 10, -30611744);
      c = md5ii(c, d, a, b, x[i + 6], 15, -1560198380);
      b = md5ii(b, c, d, a, x[i + 13], 21, 1309151649);
      a = md5ii(a, b, c, d, x[i + 4], 6, -145523070);
      d = md5ii(d, a, b, c, x[i + 11], 10, -1120210379);
      c = md5ii(c, d, a, b, x[i + 2], 15, 718787259);
      b = md5ii(b, c, d, a, x[i + 9], 21, -343485551);
      a = safeAdd(a, olda);
      b = safeAdd(b, oldb);
      c = safeAdd(c, oldc);
      d = safeAdd(d, oldd);
    }

    return [a, b, c, d];
  }
  /**
   * Convert an array of little-endian words to a string
   *
   * @param {Array<number>} input MD5 Array
   * @returns {string} MD5 string
   */


  function binl2rstr(input) {
    var i;
    var output = '';
    var length32 = input.length * 32;

    for (i = 0; i < length32; i += 8) {
      output += String.fromCharCode(input[i >> 5] >>> i % 32 & 0xff);
    }

    return output;
  }
  /**
   * Convert a raw string to an array of little-endian words
   * Characters >255 have their high-byte silently ignored.
   *
   * @param {string} input Raw input string
   * @returns {Array<number>} Array of little-endian words
   */


  function rstr2binl(input) {
    var i;
    var output = [];
    output[(input.length >> 2) - 1] = undefined;

    for (i = 0; i < output.length; i += 1) {
      output[i] = 0;
    }

    var length8 = input.length * 8;

    for (i = 0; i < length8; i += 8) {
      output[i >> 5] |= (input.charCodeAt(i / 8) & 0xff) << i % 32;
    }

    return output;
  }
  /**
   * Calculate the MD5 of a raw string
   *
   * @param {string} s Input string
   * @returns {string} Raw MD5 string
   */


  function rstrMD5(s) {
    return binl2rstr(binlMD5(rstr2binl(s), s.length * 8));
  }
  /**
   * Calculates the HMAC-MD5 of a key and some data (raw strings)
   *
   * @param {string} key HMAC key
   * @param {string} data Raw input string
   * @returns {string} Raw MD5 string
   */


  function rstrHMACMD5(key, data) {
    var i;
    var bkey = rstr2binl(key);
    var ipad = [];
    var opad = [];
    var hash;
    ipad[15] = opad[15] = undefined;

    if (bkey.length > 16) {
      bkey = binlMD5(bkey, key.length * 8);
    }

    for (i = 0; i < 16; i += 1) {
      ipad[i] = bkey[i] ^ 0x36363636;
      opad[i] = bkey[i] ^ 0x5c5c5c5c;
    }

    hash = binlMD5(ipad.concat(rstr2binl(data)), 512 + data.length * 8);
    return binl2rstr(binlMD5(opad.concat(hash), 512 + 128));
  }
  /**
   * Convert a raw string to a hex string
   *
   * @param {string} input Raw input string
   * @returns {string} Hex encoded string
   */


  function rstr2hex(input) {
    var hexTab = '0123456789abcdef';
    var output = '';
    var x;
    var i;

    for (i = 0; i < input.length; i += 1) {
      x = input.charCodeAt(i);
      output += hexTab.charAt(x >>> 4 & 0x0f) + hexTab.charAt(x & 0x0f);
    }

    return output;
  }
  /**
   * Encode a string as UTF-8
   *
   * @param {string} input Input string
   * @returns {string} UTF8 string
   */


  function str2rstrUTF8(input) {
    return unescape(encodeURIComponent(input));
  }
  /**
   * Encodes input string as raw MD5 string
   *
   * @param {string} s Input string
   * @returns {string} Raw MD5 string
   */


  function rawMD5(s) {
    return rstrMD5(str2rstrUTF8(s));
  }
  /**
   * Encodes input string as Hex encoded string
   *
   * @param {string} s Input string
   * @returns {string} Hex encoded string
   */


  function hexMD5(s) {
    return rstr2hex(rawMD5(s));
  }
  /**
   * Calculates the raw HMAC-MD5 for the given key and data
   *
   * @param {string} k HMAC key
   * @param {string} d Input string
   * @returns {string} Raw MD5 string
   */


  function rawHMACMD5(k, d) {
    return rstrHMACMD5(str2rstrUTF8(k), str2rstrUTF8(d));
  }
  /**
   * Calculates the Hex encoded HMAC-MD5 for the given key and data
   *
   * @param {string} k HMAC key
   * @param {string} d Input string
   * @returns {string} Raw MD5 string
   */


  function hexHMACMD5(k, d) {
    return rstr2hex(rawHMACMD5(k, d));
  }
  /**
   * Calculates MD5 value for a given string.
   * If a key is provided, calculates the HMAC-MD5 value.
   * Returns a Hex encoded string unless the raw argument is given.
   *
   * @param {string} string Input string
   * @param {string} [key] HMAC key
   * @param {boolean} [raw] Raw output switch
   * @returns {string} MD5 output
   */


  function md5(string, key, raw) {
    if (!key) {
      if (!raw) {
        return hexMD5(string);
      }

      return rawMD5(string);
    }

    if (!raw) {
      return hexHMACMD5(key, string);
    }

    return rawHMACMD5(key, string);
  }

  if (true) {
    !(__WEBPACK_AMD_DEFINE_RESULT__ = (function () {
      return md5;
    }).call(exports, __webpack_require__, exports, module),
		__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
  } else {}
})(this);

/***/ }),
/* 4 */
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "isActiveWindow": () => (/* binding */ isActiveWindow),
/* harmony export */   "isTopWindow": () => (/* binding */ isTopWindow),
/* harmony export */   "safePath": () => (/* binding */ safePath),
/* harmony export */   "flaged": () => (/* binding */ flaged),
/* harmony export */   "hasUrlFlag": () => (/* binding */ hasUrlFlag),
/* harmony export */   "getFlags": () => (/* binding */ getFlags),
/* harmony export */   "toDict": () => (/* binding */ toDict),
/* harmony export */   "getCurrentTime": () => (/* binding */ getCurrentTime),
/* harmony export */   "mapEntry": () => (/* binding */ mapEntry),
/* harmony export */   "deepCopy": () => (/* binding */ deepCopy),
/* harmony export */   "isString": () => (/* binding */ isString),
/* harmony export */   "isArray": () => (/* binding */ isArray),
/* harmony export */   "mean": () => (/* binding */ mean),
/* harmony export */   "count": () => (/* binding */ count),
/* harmony export */   "sum": () => (/* binding */ sum)
/* harmony export */ });
const isActiveWindow = () => {
  return !document.hidden;
};
const isTopWindow = () => {
  return window.location.href === unsafeWindow.top.location.href;
};
const safePath = path => {
  return path.replace(/[/\\?%*:|"<>]/g, '-');
};
const URL = window.URL || window.webkitURL;
const flaged = key => {
  return hasUrlFlag(key) || GM_getValue(key) || false;
};
const hasUrlFlag = flag => {
  const url = new URL(window.location.href);
  return url.hash.indexOf(`#${flag}`) > -1;
};
const getFlags = prefix => {
  const url = new URL(window.location.href);
  return url.href.split('#').slice(1).filter(flag => {
    return !prefix || flag.startsWith(prefix);
  });
};
const toDict = (arr, k, vk) => {
  return Object.assign({}, ...arr.map(x => ({
    [x[k]]: vk ? x[vk] : x
  })));
};
const getCurrentTime = () => {
  // 改名getTimesMs
  return new Date().valueOf();
};
const mapEntry = (src, func) => {
  return Object.entries(src).reduce((res, entry, i, allEntries) => {
    res[entry[0]] = func(entry, i, allEntries);
    return res;
  }, {});
};
const deepCopy = src => {
  return src && (Array.isArray(src) && src.map(deepCopy) // Used in safe context
  // eslint-disable-next-line no-restricted-syntax
  || typeof src === 'object' && mapEntry(src, ([, val]) => deepCopy(val))) || src;
};
const isString = str => {
  return typeof str === "string";
};
const isArray = arr => {
  return Array.isArray(arr);
};

const countFunc = function (a, x) {
  const i = isArray(x) ? count(x) : 1;
  return a + i;
};

const sumFunc = function (a, x) {
  let i = x;
  if (isString(i)) i = Number(i);else if (isArray(i)) i = sum(i);
  return a + i;
};

const mean = list => {
  return list.reduce(sumFunc) / list.length;
};
const count = list => {
  return list.reduce(countFunc, 0);
};
const sum = list => {
  return list.reduce(sumFunc, 0);
};

/***/ }),
/* 5 */
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "enableDrag": () => (/* binding */ enableDrag)
/* harmony export */ });
const $ = __webpack_require__(1);

const MOVE_KEY = 'hasMove';
const X_KEY = 'offsetX';
const Y_KEY = 'offsetY';
const enableDrag = function (buttonClass) {
  let $dragItem = null;
  let initialX, initialY;

  const moveStart = e => {
    $dragItem = $(e.target);

    while (!$dragItem.hasClass(buttonClass)) {
      $dragItem = $dragItem.parent();
    }

    $dragItem.attr(MOVE_KEY, 0);
    const offsetX = $dragItem.attr(X_KEY) || 0;
    const offsetY = $dragItem.attr(Y_KEY) || 0;

    if (e.type === "touchstart") {
      initialX = e.touches[0].clientX - offsetX;
      initialY = e.touches[0].clientY - offsetY;
    } else {
      initialX = e.clientX - offsetX;
      initialY = e.clientY - offsetY;
    }

    return true;
  };

  const move = e => {
    if (!$dragItem) return true;
    e.preventDefault();
    let deltaX, deltaY;

    if (e.type === "touchmove") {
      deltaX = e.touches[0].clientX - initialX;
      deltaY = e.touches[0].clientY - initialY;
    } else {
      deltaX = e.clientX - initialX;
      deltaY = e.clientY - initialY;
    }

    $dragItem.css('transform', `translate3d(${deltaX}px, ${deltaY}px, 0) scale(1.0)`).attr(MOVE_KEY, Math.abs(deltaX) + Math.abs(deltaY)).attr(X_KEY, deltaX).attr(Y_KEY, deltaY);
    return true;
  };

  const moveEnd = e => {
    if ($dragItem && $dragItem.attr(MOVE_KEY) > 0) {
      let $item = $dragItem;
      setTimeout(() => {
        $item.attr(MOVE_KEY, 0);
      }, 500);
    }

    $dragItem = null;
    e.preventDefault();
    return true;
  };

  $(document.body).on("touchstart", `.${buttonClass}`, function (e) {
    return moveStart(e);
  }).on("mousedown", `.${buttonClass}`, function (e) {
    return moveStart(e);
  }).on("touchmove", function (e) {
    return move(e);
  }).on("mousemove", function (e) {
    return move(e);
  }).on("mouseup", function (e) {
    return moveEnd(e);
  }).on("touchend", function (e) {
    return moveEnd(e);
  });
};

/***/ }),
/* 6 */
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "default": () => (__WEBPACK_DEFAULT_EXPORT__)
/* harmony export */ });
/* harmony import */ var _button_vue_vue_type_template_id_22b0d96a_scoped_true___WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(7);
/* harmony import */ var _button_vue_vue_type_script_lang_js___WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(9);
/* harmony import */ var _button_vue_vue_type_style_index_0_id_22b0d96a_lang_less_scoped_true___WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(11);
/* harmony import */ var _node_modules_vue_loader_lib_runtime_componentNormalizer_js__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(24);



;


/* normalize component */

var component = (0,_node_modules_vue_loader_lib_runtime_componentNormalizer_js__WEBPACK_IMPORTED_MODULE_3__["default"])(
  _button_vue_vue_type_script_lang_js___WEBPACK_IMPORTED_MODULE_1__["default"],
  _button_vue_vue_type_template_id_22b0d96a_scoped_true___WEBPACK_IMPORTED_MODULE_0__.render,
  _button_vue_vue_type_template_id_22b0d96a_scoped_true___WEBPACK_IMPORTED_MODULE_0__.staticRenderFns,
  false,
  null,
  "22b0d96a",
  null
  
)

/* hot reload */
if (false) { var api; }
component.options.__file = "src/button.vue"
/* harmony default export */ const __WEBPACK_DEFAULT_EXPORT__ = (component.exports);

/***/ }),
/* 7 */
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "render": () => (/* reexport safe */ _node_modules_vue_loader_lib_loaders_templateLoader_js_vue_loader_options_node_modules_vue_loader_lib_index_js_vue_loader_options_button_vue_vue_type_template_id_22b0d96a_scoped_true___WEBPACK_IMPORTED_MODULE_0__.render),
/* harmony export */   "staticRenderFns": () => (/* reexport safe */ _node_modules_vue_loader_lib_loaders_templateLoader_js_vue_loader_options_node_modules_vue_loader_lib_index_js_vue_loader_options_button_vue_vue_type_template_id_22b0d96a_scoped_true___WEBPACK_IMPORTED_MODULE_0__.staticRenderFns)
/* harmony export */ });
/* harmony import */ var _node_modules_vue_loader_lib_loaders_templateLoader_js_vue_loader_options_node_modules_vue_loader_lib_index_js_vue_loader_options_button_vue_vue_type_template_id_22b0d96a_scoped_true___WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(8);


/***/ }),
/* 8 */
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "render": () => (/* binding */ render),
/* harmony export */   "staticRenderFns": () => (/* binding */ staticRenderFns)
/* harmony export */ });
var render = function () {
  var _vm = this
  var _h = _vm.$createElement
  var _c = _vm._self._c || _h
  return _c(
    "div",
    {
      staticClass: "mono-dsg-btn",
      style: _vm.transform,
      attrs: {
        id: _vm.id,
        "mono-dsg-id": _vm.item.id,
        offsetx: _vm.itm.position ? _vm.itm.position.x : 0,
        offsety: _vm.itm.position ? _vm.itm.position.y : 0,
      },
    },
    [
      _c(
        "div",
        { staticClass: "mono-dsg-btn-bg", on: { click: _vm.download } },
        [
          _c(
            "div",
            {
              staticClass: "mono-dsg-btn-inner",
              attrs: { status: _vm.itm.status },
            },
            [
              _c(
                "svg",
                {
                  staticClass: "mono-dsg-icon mono-dsg-icon-init",
                  attrs: {
                    viewBox: "0 0 48 48",
                    fill: "none",
                    xmlns: "http://www.w3.org/2000/svg",
                    stroke: "currentColor",
                    "stroke-width": "6",
                    "stroke-linecap": "butt",
                    "stroke-linejoin": "miter",
                  },
                },
                [
                  _c("path", {
                    attrs: {
                      d: "M24.008 41.99a.01.01 0 0 1-.016 0l-9.978-11.974A.01.01 0 0 1 14.02 30H33.98a.01.01 0 0 1 .007.016l-9.978 11.975Z",
                    },
                  }),
                  _c("path", {
                    attrs: {
                      d: "M24 42 14 30h20L24 42Z",
                      fill: "currentColor",
                      stroke: "none",
                    },
                  }),
                  _c("path", { attrs: { d: "M22 6h4v26h-4z" } }),
                  _c("path", {
                    attrs: {
                      fill: "currentColor",
                      stroke: "none",
                      d: "M22 6h4v26h-4z",
                    },
                  }),
                ]
              ),
              _vm._v(" "),
              _c(
                "svg",
                {
                  staticClass: "mono-dsg-icon mono-dsg-icon-done",
                  attrs: {
                    viewBox: "0 0 48 48",
                    fill: "none",
                    xmlns: "http://www.w3.org/2000/svg",
                  },
                },
                [
                  _c("path", {
                    attrs: {
                      "fill-rule": "evenodd",
                      "clip-rule": "evenodd",
                      d: "M4 24L9 19L19 29L39 9L44 14L19 39L4 24Z",
                      fill: "currentColor",
                      stroke: "currentColor",
                      "stroke-width": "2",
                      "stroke-linecap": "round",
                      "stroke-linejoin": "round",
                    },
                  }),
                ]
              ),
              _vm._v(" "),
              _c(
                "div",
                { staticClass: "mono-dsg-icon mono-dsg-icon-loading" },
                [
                  _c("div", { staticClass: "mono-dsg-icon-prg" }, [
                    _vm._v(_vm._s(_vm.progress)),
                  ]),
                  _vm._v(" "),
                  _vm._l(new Array(_vm.waves), function (_, i) {
                    return _c("div", {
                      key: i,
                      staticClass: "mono-dsg-icon-wave",
                      style: {
                        "--progress": 80 + i * 5 - _vm.progress * 1.3 + "%",
                      },
                    })
                  }),
                ],
                2
              ),
              _vm._v(" "),
              _c("span", { staticClass: "mono-dsg-label" }, [
                _vm._v(_vm._s(_vm.status)),
              ]),
            ]
          ),
        ]
      ),
    ]
  )
}
var staticRenderFns = []
render._withStripped = true



/***/ }),
/* 9 */
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "default": () => (__WEBPACK_DEFAULT_EXPORT__)
/* harmony export */ });
/* harmony import */ var _node_modules_babel_loader_lib_index_js_node_modules_vue_loader_lib_index_js_vue_loader_options_button_vue_vue_type_script_lang_js___WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(10);
 /* harmony default export */ const __WEBPACK_DEFAULT_EXPORT__ = (_node_modules_babel_loader_lib_index_js_node_modules_vue_loader_lib_index_js_vue_loader_options_button_vue_vue_type_script_lang_js___WEBPACK_IMPORTED_MODULE_0__["default"]); 

/***/ }),
/* 10 */
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "default": () => (__WEBPACK_DEFAULT_EXPORT__)
/* harmony export */ });
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
const md5 = __webpack_require__(3);

const STATUS = {
  init: "下载",
  loading: "下载中",
  done: "已完成"
};
/* harmony default export */ const __WEBPACK_DEFAULT_EXPORT__ = ({
  props: ['item'],
  data: function () {
    return {
      waves: 2,
      itm: this.item,
      id: `mono-dsg-${md5(this.item.id)}`
    };
  },
  mounted: function () {
    this.$set(this.itm, 'status', 'init');
    this.$set(this.itm, 'progress', 0);
    this.$set(this.itm, 'position', {
      x: this.itm.position?.x || 0,
      y: this.itm.position?.y || 0
    });
  },
  watch: {},
  computed: {
    transform: function () {
      if (!this.itm.position?.x && !this.itm.position?.y) return '';
      return `transform: translate3d(${this.itm.position.x}px, ${this.itm.position.y}px, 0px) scale(1);`;
    },
    status: function () {
      return STATUS[this.itm.status];
    },
    progress: function () {
      return Math.round(Math.min(this.itm.progress * 100, 99));
    }
  },
  methods: {
    remove: function () {
      console.log('remove!');
    },
    download: function (e) {
      e.preventDefault();
      const btn = e.target.parentNode;
      if ((btn.getAttribute('hasMove') || 0) > 0) return false;
      this.itm.status = 'loading';
      this.$emit('download', this.itm); // this.moke();

      return false;
    },
    moke: function () {
      const moke = () => {
        this.itm.progress += 0.01;
        if (this.itm.progress > 1) return this.itm.status = 'done';
        setTimeout(moke, 100);
      };

      if (this.itm.progress > 1) this.itm.progress = 0;
      moke();
    }
  }
});

/***/ }),
/* 11 */
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var _node_modules_style_loader_dist_cjs_js_clonedRuleSet_3_0_rules_0_use_0_node_modules_css_loader_dist_cjs_js_node_modules_vue_loader_lib_loaders_stylePostLoader_js_node_modules_less_loader_dist_cjs_js_node_modules_vue_loader_lib_index_js_vue_loader_options_button_vue_vue_type_style_index_0_id_22b0d96a_lang_less_scoped_true___WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(12);


/***/ }),
/* 12 */
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "default": () => (__WEBPACK_DEFAULT_EXPORT__)
/* harmony export */ });
/* harmony import */ var _node_modules_style_loader_dist_runtime_injectStylesIntoStyleTag_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(13);
/* harmony import */ var _node_modules_style_loader_dist_runtime_injectStylesIntoStyleTag_js__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(_node_modules_style_loader_dist_runtime_injectStylesIntoStyleTag_js__WEBPACK_IMPORTED_MODULE_0__);
/* harmony import */ var _node_modules_style_loader_dist_runtime_styleDomAPI_js__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(14);
/* harmony import */ var _node_modules_style_loader_dist_runtime_styleDomAPI_js__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(_node_modules_style_loader_dist_runtime_styleDomAPI_js__WEBPACK_IMPORTED_MODULE_1__);
/* harmony import */ var _node_modules_style_loader_dist_runtime_insertBySelector_js__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(15);
/* harmony import */ var _node_modules_style_loader_dist_runtime_insertBySelector_js__WEBPACK_IMPORTED_MODULE_2___default = /*#__PURE__*/__webpack_require__.n(_node_modules_style_loader_dist_runtime_insertBySelector_js__WEBPACK_IMPORTED_MODULE_2__);
/* harmony import */ var _node_modules_style_loader_dist_runtime_setAttributesWithAttributesAndNonce_js__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(16);
/* harmony import */ var _node_modules_style_loader_dist_runtime_setAttributesWithAttributesAndNonce_js__WEBPACK_IMPORTED_MODULE_3___default = /*#__PURE__*/__webpack_require__.n(_node_modules_style_loader_dist_runtime_setAttributesWithAttributesAndNonce_js__WEBPACK_IMPORTED_MODULE_3__);
/* harmony import */ var _node_modules_style_loader_dist_runtime_insertStyleElement_js__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(17);
/* harmony import */ var _node_modules_style_loader_dist_runtime_insertStyleElement_js__WEBPACK_IMPORTED_MODULE_4___default = /*#__PURE__*/__webpack_require__.n(_node_modules_style_loader_dist_runtime_insertStyleElement_js__WEBPACK_IMPORTED_MODULE_4__);
/* harmony import */ var _node_modules_style_loader_dist_runtime_styleTagTransform_js__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(18);
/* harmony import */ var _node_modules_style_loader_dist_runtime_styleTagTransform_js__WEBPACK_IMPORTED_MODULE_5___default = /*#__PURE__*/__webpack_require__.n(_node_modules_style_loader_dist_runtime_styleTagTransform_js__WEBPACK_IMPORTED_MODULE_5__);
/* harmony import */ var _node_modules_css_loader_dist_cjs_js_node_modules_vue_loader_lib_loaders_stylePostLoader_js_node_modules_less_loader_dist_cjs_js_node_modules_vue_loader_lib_index_js_vue_loader_options_button_vue_vue_type_style_index_0_id_22b0d96a_lang_less_scoped_true___WEBPACK_IMPORTED_MODULE_6__ = __webpack_require__(19);

      
      
      
      
      
      
      
      
      

var options = {"attributes":{"mira":"mono-descargar"}};

options.styleTagTransform = (_node_modules_style_loader_dist_runtime_styleTagTransform_js__WEBPACK_IMPORTED_MODULE_5___default());
options.setAttributes = (_node_modules_style_loader_dist_runtime_setAttributesWithAttributesAndNonce_js__WEBPACK_IMPORTED_MODULE_3___default());

      options.insert = _node_modules_style_loader_dist_runtime_insertBySelector_js__WEBPACK_IMPORTED_MODULE_2___default().bind(null, "head");
    
options.domAPI = (_node_modules_style_loader_dist_runtime_styleDomAPI_js__WEBPACK_IMPORTED_MODULE_1___default());
options.insertStyleElement = (_node_modules_style_loader_dist_runtime_insertStyleElement_js__WEBPACK_IMPORTED_MODULE_4___default());

var update = _node_modules_style_loader_dist_runtime_injectStylesIntoStyleTag_js__WEBPACK_IMPORTED_MODULE_0___default()(_node_modules_css_loader_dist_cjs_js_node_modules_vue_loader_lib_loaders_stylePostLoader_js_node_modules_less_loader_dist_cjs_js_node_modules_vue_loader_lib_index_js_vue_loader_options_button_vue_vue_type_style_index_0_id_22b0d96a_lang_less_scoped_true___WEBPACK_IMPORTED_MODULE_6__["default"], options);




       /* harmony default export */ const __WEBPACK_DEFAULT_EXPORT__ = (_node_modules_css_loader_dist_cjs_js_node_modules_vue_loader_lib_loaders_stylePostLoader_js_node_modules_less_loader_dist_cjs_js_node_modules_vue_loader_lib_index_js_vue_loader_options_button_vue_vue_type_style_index_0_id_22b0d96a_lang_less_scoped_true___WEBPACK_IMPORTED_MODULE_6__["default"] && _node_modules_css_loader_dist_cjs_js_node_modules_vue_loader_lib_loaders_stylePostLoader_js_node_modules_less_loader_dist_cjs_js_node_modules_vue_loader_lib_index_js_vue_loader_options_button_vue_vue_type_style_index_0_id_22b0d96a_lang_less_scoped_true___WEBPACK_IMPORTED_MODULE_6__["default"].locals ? _node_modules_css_loader_dist_cjs_js_node_modules_vue_loader_lib_loaders_stylePostLoader_js_node_modules_less_loader_dist_cjs_js_node_modules_vue_loader_lib_index_js_vue_loader_options_button_vue_vue_type_style_index_0_id_22b0d96a_lang_less_scoped_true___WEBPACK_IMPORTED_MODULE_6__["default"].locals : undefined);


/***/ }),
/* 13 */
/***/ ((module) => {

"use strict";


var stylesInDOM = [];

function getIndexByIdentifier(identifier) {
  var result = -1;

  for (var i = 0; i < stylesInDOM.length; i++) {
    if (stylesInDOM[i].identifier === identifier) {
      result = i;
      break;
    }
  }

  return result;
}

function modulesToDom(list, options) {
  var idCountMap = {};
  var identifiers = [];

  for (var i = 0; i < list.length; i++) {
    var item = list[i];
    var id = options.base ? item[0] + options.base : item[0];
    var count = idCountMap[id] || 0;
    var identifier = "".concat(id, " ").concat(count);
    idCountMap[id] = count + 1;
    var indexByIdentifier = getIndexByIdentifier(identifier);
    var obj = {
      css: item[1],
      media: item[2],
      sourceMap: item[3],
      supports: item[4],
      layer: item[5]
    };

    if (indexByIdentifier !== -1) {
      stylesInDOM[indexByIdentifier].references++;
      stylesInDOM[indexByIdentifier].updater(obj);
    } else {
      var updater = addElementStyle(obj, options);
      options.byIndex = i;
      stylesInDOM.splice(i, 0, {
        identifier: identifier,
        updater: updater,
        references: 1
      });
    }

    identifiers.push(identifier);
  }

  return identifiers;
}

function addElementStyle(obj, options) {
  var api = options.domAPI(options);
  api.update(obj);

  var updater = function updater(newObj) {
    if (newObj) {
      if (newObj.css === obj.css && newObj.media === obj.media && newObj.sourceMap === obj.sourceMap && newObj.supports === obj.supports && newObj.layer === obj.layer) {
        return;
      }

      api.update(obj = newObj);
    } else {
      api.remove();
    }
  };

  return updater;
}

module.exports = function (list, options) {
  options = options || {};
  list = list || [];
  var lastIdentifiers = modulesToDom(list, options);
  return function update(newList) {
    newList = newList || [];

    for (var i = 0; i < lastIdentifiers.length; i++) {
      var identifier = lastIdentifiers[i];
      var index = getIndexByIdentifier(identifier);
      stylesInDOM[index].references--;
    }

    var newLastIdentifiers = modulesToDom(newList, options);

    for (var _i = 0; _i < lastIdentifiers.length; _i++) {
      var _identifier = lastIdentifiers[_i];

      var _index = getIndexByIdentifier(_identifier);

      if (stylesInDOM[_index].references === 0) {
        stylesInDOM[_index].updater();

        stylesInDOM.splice(_index, 1);
      }
    }

    lastIdentifiers = newLastIdentifiers;
  };
};

/***/ }),
/* 14 */
/***/ ((module) => {

"use strict";


/* istanbul ignore next  */
function apply(styleElement, options, obj) {
  var css = "";

  if (obj.supports) {
    css += "@supports (".concat(obj.supports, ") {");
  }

  if (obj.media) {
    css += "@media ".concat(obj.media, " {");
  }

  var needLayer = typeof obj.layer !== "undefined";

  if (needLayer) {
    css += "@layer".concat(obj.layer.length > 0 ? " ".concat(obj.layer) : "", " {");
  }

  css += obj.css;

  if (needLayer) {
    css += "}";
  }

  if (obj.media) {
    css += "}";
  }

  if (obj.supports) {
    css += "}";
  }

  var sourceMap = obj.sourceMap;

  if (sourceMap && typeof btoa !== "undefined") {
    css += "\n/*# sourceMappingURL=data:application/json;base64,".concat(btoa(unescape(encodeURIComponent(JSON.stringify(sourceMap)))), " */");
  } // For old IE

  /* istanbul ignore if  */


  options.styleTagTransform(css, styleElement, options.options);
}

function removeStyleElement(styleElement) {
  // istanbul ignore if
  if (styleElement.parentNode === null) {
    return false;
  }

  styleElement.parentNode.removeChild(styleElement);
}
/* istanbul ignore next  */


function domAPI(options) {
  var styleElement = options.insertStyleElement(options);
  return {
    update: function update(obj) {
      apply(styleElement, options, obj);
    },
    remove: function remove() {
      removeStyleElement(styleElement);
    }
  };
}

module.exports = domAPI;

/***/ }),
/* 15 */
/***/ ((module) => {

"use strict";


var memo = {};
/* istanbul ignore next  */

function getTarget(target) {
  if (typeof memo[target] === "undefined") {
    var styleTarget = document.querySelector(target); // Special case to return head of iframe instead of iframe itself

    if (window.HTMLIFrameElement && styleTarget instanceof window.HTMLIFrameElement) {
      try {
        // This will throw an exception if access to iframe is blocked
        // due to cross-origin restrictions
        styleTarget = styleTarget.contentDocument.head;
      } catch (e) {
        // istanbul ignore next
        styleTarget = null;
      }
    }

    memo[target] = styleTarget;
  }

  return memo[target];
}
/* istanbul ignore next  */


function insertBySelector(insert, style) {
  var target = getTarget(insert);

  if (!target) {
    throw new Error("Couldn't find a style target. This probably means that the value for the 'insert' parameter is invalid.");
  }

  target.appendChild(style);
}

module.exports = insertBySelector;

/***/ }),
/* 16 */
/***/ ((module) => {

"use strict";


/* istanbul ignore next  */
function setAttributesWithoutAttributes(styleElement, attributes) {
  Object.keys(attributes).forEach(function (key) {
    styleElement.setAttribute(key, attributes[key]);
  });
}

module.exports = setAttributesWithoutAttributes;

/***/ }),
/* 17 */
/***/ ((module) => {

"use strict";


/* istanbul ignore next  */
function insertStyleElement(options) {
  var element = document.createElement("style");
  options.setAttributes(element, options.attributes);
  options.insert(element, options.options);
  return element;
}

module.exports = insertStyleElement;

/***/ }),
/* 18 */
/***/ ((module) => {

"use strict";


/* istanbul ignore next  */
function styleTagTransform(css, styleElement) {
  if (styleElement.styleSheet) {
    styleElement.styleSheet.cssText = css;
  } else {
    while (styleElement.firstChild) {
      styleElement.removeChild(styleElement.firstChild);
    }

    styleElement.appendChild(document.createTextNode(css));
  }
}

module.exports = styleTagTransform;

/***/ }),
/* 19 */
/***/ ((module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "default": () => (__WEBPACK_DEFAULT_EXPORT__)
/* harmony export */ });
/* harmony import */ var _node_modules_css_loader_dist_runtime_noSourceMaps_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(20);
/* harmony import */ var _node_modules_css_loader_dist_runtime_noSourceMaps_js__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(_node_modules_css_loader_dist_runtime_noSourceMaps_js__WEBPACK_IMPORTED_MODULE_0__);
/* harmony import */ var _node_modules_css_loader_dist_runtime_api_js__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(21);
/* harmony import */ var _node_modules_css_loader_dist_runtime_api_js__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(_node_modules_css_loader_dist_runtime_api_js__WEBPACK_IMPORTED_MODULE_1__);
/* harmony import */ var _node_modules_css_loader_dist_runtime_getUrl_js__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(22);
/* harmony import */ var _node_modules_css_loader_dist_runtime_getUrl_js__WEBPACK_IMPORTED_MODULE_2___default = /*#__PURE__*/__webpack_require__.n(_node_modules_css_loader_dist_runtime_getUrl_js__WEBPACK_IMPORTED_MODULE_2__);
// Imports



var ___CSS_LOADER_URL_IMPORT_0___ = new URL(/* asset import */ __webpack_require__(23), __webpack_require__.b);
var ___CSS_LOADER_EXPORT___ = _node_modules_css_loader_dist_runtime_api_js__WEBPACK_IMPORTED_MODULE_1___default()((_node_modules_css_loader_dist_runtime_noSourceMaps_js__WEBPACK_IMPORTED_MODULE_0___default()));
var ___CSS_LOADER_URL_REPLACEMENT_0___ = _node_modules_css_loader_dist_runtime_getUrl_js__WEBPACK_IMPORTED_MODULE_2___default()(___CSS_LOADER_URL_IMPORT_0___);
// Module
___CSS_LOADER_EXPORT___.push([module.id, "*[data-v-22b0d96a]:focus {\n  outline: 0 !important;\n}\n*[data-v-22b0d96a] {\n  -moz-user-select: none;\n  -o-user-select: none;\n  -khtml-user-select: none;\n  -webkit-user-select: none;\n  -ms-user-select: none;\n  user-select: none;\n  margin: 0;\n  padding: 0;\n  border: 0;\n  box-sizing: border-box;\n  font-weight: 380;\n  font-family: Noto Sans,Helvetica Neue,Helvetica,PingFang SC!important;\n}\n.mono-dsg-btn[data-v-22b0d96a] {\n  top: 0px!important;\n  right: 0px!important;\n  margin: 10px!important;\n  padding: 0px!important;\n  position: absolute!important;\n  z-index: 9999999!important;\n}\n.mono-dsg-btn .mono-dsg-btn-bg[data-v-22b0d96a] {\n  display: flex;\n  text-align: center;\n  align-items: center;\n  justify-content: center;\n  transform: scale(1);\n  pointer-events: auto!important;\n  box-shadow: 0px 0px 5px #666 !important;\n  box-sizing: border-box !important;\n  min-width: 42px !important;\n  margin: 0px!important;\n  padding: 4px !important;\n  border-radius: 21px !important;\n  border: 0px!important;\n  cursor: pointer!important;\n  width: 42px !important;\n  height: 42px !important;\n  line-height: 28px!important;\n  word-spacing: 0!important;\n  background: #FFF;\n  color: #FFF;\n  opacity: 0.9;\n  font-smooth: auto;\n  -webkit-font-smoothing: auto;\n  transition-property: width color opacity;\n  transition-duration: 0.3s;\n}\n.mono-dsg-btn .mono-dsg-btn-bg .bg-rad[data-v-22b0d96a] {\n  content: \"\";\n  display: block;\n  position: absolute;\n  width: 33.6px;\n  height: 29.4px;\n  border-radius: 50%!important;\n  margin: 1px;\n  z-index: 1;\n}\n.mono-dsg-btn .mono-dsg-btn-bg[data-v-22b0d96a]:hover {\n  opacity: 1;\n  width: 100px !important;\n  color: #FFF;\n  transition-property: width color opacity;\n  transition-duration: 0.3s;\n}\n.mono-dsg-btn .mono-dsg-btn-bg:hover .mono-dsg-label[data-v-22b0d96a] {\n  width: 54px;\n  opacity: 1;\n  transition-property: width opacity margin-left;\n  transition-duration: 0.3s;\n}\n.mono-dsg-btn .mono-dsg-btn-bg .mono-dsg-label[data-v-22b0d96a] {\n  width: 0px;\n  text-align: center;\n  font-size: 13px;\n  white-space: nowrap;\n  margin-left: 0px;\n  opacity: 0;\n  transition-property: width opacity margin-left;\n  transition-duration: 0.3s;\n  z-index: 3;\n}\n.mono-dsg-btn .mono-dsg-btn-bg .mono-dsg-btn-inner[data-v-22b0d96a] {\n  pointer-events: none!important;\n  background-color: #165DFF;\n  border-radius: 14.62px !important;\n  width: 100%;\n  height: 100%;\n  z-index: 2;\n  display: flex;\n  text-align: center;\n  align-items: center;\n  justify-content: center;\n  overflow: hidden!important;\n}\n.mono-dsg-btn .mono-dsg-btn-bg .mono-dsg-btn-inner .mono-dsg-icon[data-v-22b0d96a] {\n  flex-shrink: 0;\n  display: none;\n  width: 26px !important;\n}\n.mono-dsg-btn .mono-dsg-btn-bg .mono-dsg-btn-inner .mono-dsg-icon-loading[data-v-22b0d96a] {\n  position: relative;\n  font-size: 18px;\n  width: 26px;\n  height: 26px;\n}\n.mono-dsg-btn .mono-dsg-btn-bg .mono-dsg-btn-inner .mono-dsg-icon-loading[data-v-22b0d96a]:after {\n  content: \"%\";\n  display: block;\n  position: absolute;\n  color: rgba(255, 255, 255, 0.5);\n  font-size: 12px;\n  top: 4px;\n  left: 20px;\n  transform: scale(0.5);\n}\n.mono-dsg-btn .mono-dsg-btn-bg .mono-dsg-btn-inner .mono-dsg-icon-loading .mono-dsg-icon-prg[data-v-22b0d96a] {\n  position: absolute;\n  z-index: 2;\n  width: 26px;\n  height: 26px;\n  margin-top: -1px;\n}\n.mono-dsg-btn .mono-dsg-btn-bg .mono-dsg-btn-inner .mono-dsg-icon-loading .mono-dsg-icon-wave[data-v-22b0d96a] {\n  --progress: 100%;\n  background: url(" + ___CSS_LOADER_URL_REPLACEMENT_0___ + ");\n  background-size: 156px 26px;\n  background-position: 50% 50%;\n  background-repeat: repeat-x;\n  position: absolute;\n  width: 1500%;\n  height: 100%;\n  transform: translate3d(0, 0, 0);\n  opacity: 0.5;\n  margin-top: -4px;\n  top: var(--progress);\n  animation: wave-data-v-22b0d96a 1s linear infinite;\n}\n.mono-dsg-btn .mono-dsg-btn-bg .mono-dsg-btn-inner .mono-dsg-icon-loading .mono-dsg-icon-wave[data-v-22b0d96a]:after {\n  content: \"\";\n  position: absolute;\n  display: block;\n  background-color: #0900A9;\n  top: 20.8px;\n  width: 100%;\n  height: 100%;\n}\n.mono-dsg-btn .mono-dsg-btn-bg .mono-dsg-btn-inner .mono-dsg-icon-loading .mono-dsg-icon-wave[data-v-22b0d96a]:nth-of-type(2) {\n  animation: wave-data-v-22b0d96a 1.3s reverse linear infinite;\n}\n.mono-dsg-btn .mono-dsg-btn-bg .mono-dsg-btn-inner .mono-dsg-icon-loading .mono-dsg-icon-wave[data-v-22b0d96a]:nth-of-type(3) {\n  animation: wave-data-v-22b0d96a 1.5s linear infinite;\n}\n@keyframes wave-data-v-22b0d96a {\n0% {\n    transform: translateX(-10%);\n}\n50% {\n    transform: translateX(-30%);\n}\n100% {\n    transform: translateX(-50%);\n}\n}\n.mono-dsg-btn .mono-dsg-btn-bg .mono-dsg-btn-inner[status=\"init\"] > .mono-dsg-icon-init[data-v-22b0d96a] {\n  display: block;\n}\n.mono-dsg-btn .mono-dsg-btn-bg .mono-dsg-btn-inner[status=\"loading\"] > .mono-dsg-icon-loading[data-v-22b0d96a] {\n  display: block;\n}\n.mono-dsg-btn .mono-dsg-btn-bg .mono-dsg-btn-inner[status=\"done\"][data-v-22b0d96a] {\n  background-color: #08D64D;\n  transition-property: background-color;\n  transition-duration: 0.3s;\n}\n.mono-dsg-btn .mono-dsg-btn-bg .mono-dsg-btn-inner[status=\"done\"] > .mono-dsg-icon-done[data-v-22b0d96a] {\n  display: block;\n}\n", ""]);
// Exports
/* harmony default export */ const __WEBPACK_DEFAULT_EXPORT__ = (___CSS_LOADER_EXPORT___);


/***/ }),
/* 20 */
/***/ ((module) => {

"use strict";


module.exports = function (i) {
  return i[1];
};

/***/ }),
/* 21 */
/***/ ((module) => {

"use strict";

/*
  MIT License http://www.opensource.org/licenses/mit-license.php
  Author Tobias Koppers @sokra
*/

module.exports = function (cssWithMappingToString) {
  var list = []; // return the list of modules as css string

  list.toString = function toString() {
    return this.map(function (item) {
      var content = "";
      var needLayer = typeof item[5] !== "undefined";

      if (item[4]) {
        content += "@supports (".concat(item[4], ") {");
      }

      if (item[2]) {
        content += "@media ".concat(item[2], " {");
      }

      if (needLayer) {
        content += "@layer".concat(item[5].length > 0 ? " ".concat(item[5]) : "", " {");
      }

      content += cssWithMappingToString(item);

      if (needLayer) {
        content += "}";
      }

      if (item[2]) {
        content += "}";
      }

      if (item[4]) {
        content += "}";
      }

      return content;
    }).join("");
  }; // import a list of modules into the list


  list.i = function i(modules, media, dedupe, supports, layer) {
    if (typeof modules === "string") {
      modules = [[null, modules, undefined]];
    }

    var alreadyImportedModules = {};

    if (dedupe) {
      for (var k = 0; k < this.length; k++) {
        var id = this[k][0];

        if (id != null) {
          alreadyImportedModules[id] = true;
        }
      }
    }

    for (var _k = 0; _k < modules.length; _k++) {
      var item = [].concat(modules[_k]);

      if (dedupe && alreadyImportedModules[item[0]]) {
        continue;
      }

      if (typeof layer !== "undefined") {
        if (typeof item[5] === "undefined") {
          item[5] = layer;
        } else {
          item[1] = "@layer".concat(item[5].length > 0 ? " ".concat(item[5]) : "", " {").concat(item[1], "}");
          item[5] = layer;
        }
      }

      if (media) {
        if (!item[2]) {
          item[2] = media;
        } else {
          item[1] = "@media ".concat(item[2], " {").concat(item[1], "}");
          item[2] = media;
        }
      }

      if (supports) {
        if (!item[4]) {
          item[4] = "".concat(supports);
        } else {
          item[1] = "@supports (".concat(item[4], ") {").concat(item[1], "}");
          item[4] = supports;
        }
      }

      list.push(item);
    }
  };

  return list;
};

/***/ }),
/* 22 */
/***/ ((module) => {

"use strict";


module.exports = function (url, options) {
  if (!options) {
    options = {};
  }

  if (!url) {
    return url;
  }

  url = String(url.__esModule ? url.default : url); // If url is already wrapped in quotes, remove them

  if (/^['"].*['"]$/.test(url)) {
    url = url.slice(1, -1);
  }

  if (options.hash) {
    url += options.hash;
  } // Should url be wrapped?
  // See https://drafts.csswg.org/css-values-3/#urls


  if (/["'() \t\n]|(%20)/.test(url) || options.needQuotes) {
    return "\"".concat(url.replace(/"/g, '\\"').replace(/\n/g, "\\n"), "\"");
  }

  return url;
};

/***/ }),
/* 23 */
/***/ ((module) => {

"use strict";
module.exports = "data:image/svg+xml,%3Csvg xmlns=%27http://www.w3.org/2000/svg%27 viewBox=%270 0 800 88.7%27%3E%3Cpath d=%27M800 56.9c-155.5 0-204.9-50-405.5-49.9-200 0-250 49.9-394.5 49.9v31.8h800v-.2-31.6z%27 fill=%27%230900A9%27/%3E%3C/svg%3E";

/***/ }),
/* 24 */
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "default": () => (/* binding */ normalizeComponent)
/* harmony export */ });
/* globals __VUE_SSR_CONTEXT__ */

// IMPORTANT: Do NOT use ES2015 features in this file (except for modules).
// This module is a runtime utility for cleaner component module output and will
// be included in the final webpack user bundle.

function normalizeComponent (
  scriptExports,
  render,
  staticRenderFns,
  functionalTemplate,
  injectStyles,
  scopeId,
  moduleIdentifier, /* server only */
  shadowMode /* vue-cli only */
) {
  // Vue.extend constructor export interop
  var options = typeof scriptExports === 'function'
    ? scriptExports.options
    : scriptExports

  // render functions
  if (render) {
    options.render = render
    options.staticRenderFns = staticRenderFns
    options._compiled = true
  }

  // functional template
  if (functionalTemplate) {
    options.functional = true
  }

  // scopedId
  if (scopeId) {
    options._scopeId = 'data-v-' + scopeId
  }

  var hook
  if (moduleIdentifier) { // server build
    hook = function (context) {
      // 2.3 injection
      context =
        context || // cached call
        (this.$vnode && this.$vnode.ssrContext) || // stateful
        (this.parent && this.parent.$vnode && this.parent.$vnode.ssrContext) // functional
      // 2.2 with runInNewContext: true
      if (!context && typeof __VUE_SSR_CONTEXT__ !== 'undefined') {
        context = __VUE_SSR_CONTEXT__
      }
      // inject component styles
      if (injectStyles) {
        injectStyles.call(this, context)
      }
      // register component module identifier for async chunk inferrence
      if (context && context._registeredComponents) {
        context._registeredComponents.add(moduleIdentifier)
      }
    }
    // used by ssr in case component is cached and beforeCreate
    // never gets called
    options._ssrRegister = hook
  } else if (injectStyles) {
    hook = shadowMode
      ? function () {
        injectStyles.call(
          this,
          (options.functional ? this.parent : this).$root.$options.shadowRoot
        )
      }
      : injectStyles
  }

  if (hook) {
    if (options.functional) {
      // for template-only hot-reload because in that case the render fn doesn't
      // go through the normalizer
      options._injectStyles = hook
      // register for functional component in vue file
      var originalRender = options.render
      options.render = function renderWithStyleInjection (h, context) {
        hook.call(context)
        return originalRender(h, context)
      }
    } else {
      // inject component registration as beforeCreate hook
      var existing = options.beforeCreate
      options.beforeCreate = existing
        ? [].concat(existing, hook)
        : [hook]
    }
  }

  return {
    exports: scriptExports,
    options: options
  }
}


/***/ }),
/* 25 */
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "default": () => (__WEBPACK_DEFAULT_EXPORT__)
/* harmony export */ });
/*!
 * Vue.js v2.6.14
 * (c) 2014-2021 Evan You
 * Released under the MIT License.
 */

/*  */
var emptyObject = Object.freeze({}); // These helpers produce better VM code in JS engines due to their
// explicitness and function inlining.

function isUndef(v) {
  return v === undefined || v === null;
}

function isDef(v) {
  return v !== undefined && v !== null;
}

function isTrue(v) {
  return v === true;
}

function isFalse(v) {
  return v === false;
}
/**
 * Check if value is primitive.
 */


function isPrimitive(value) {
  return typeof value === 'string' || typeof value === 'number' || // $flow-disable-line
  typeof value === 'symbol' || typeof value === 'boolean';
}
/**
 * Quick object check - this is primarily used to tell
 * Objects from primitive values when we know the value
 * is a JSON-compliant type.
 */


function isObject(obj) {
  return obj !== null && typeof obj === 'object';
}
/**
 * Get the raw type string of a value, e.g., [object Object].
 */


var _toString = Object.prototype.toString;

function toRawType(value) {
  return _toString.call(value).slice(8, -1);
}
/**
 * Strict object type check. Only returns true
 * for plain JavaScript objects.
 */


function isPlainObject(obj) {
  return _toString.call(obj) === '[object Object]';
}

function isRegExp(v) {
  return _toString.call(v) === '[object RegExp]';
}
/**
 * Check if val is a valid array index.
 */


function isValidArrayIndex(val) {
  var n = parseFloat(String(val));
  return n >= 0 && Math.floor(n) === n && isFinite(val);
}

function isPromise(val) {
  return isDef(val) && typeof val.then === 'function' && typeof val.catch === 'function';
}
/**
 * Convert a value to a string that is actually rendered.
 */


function toString(val) {
  return val == null ? '' : Array.isArray(val) || isPlainObject(val) && val.toString === _toString ? JSON.stringify(val, null, 2) : String(val);
}
/**
 * Convert an input value to a number for persistence.
 * If the conversion fails, return original string.
 */


function toNumber(val) {
  var n = parseFloat(val);
  return isNaN(n) ? val : n;
}
/**
 * Make a map and return a function for checking if a key
 * is in that map.
 */


function makeMap(str, expectsLowerCase) {
  var map = Object.create(null);
  var list = str.split(',');

  for (var i = 0; i < list.length; i++) {
    map[list[i]] = true;
  }

  return expectsLowerCase ? function (val) {
    return map[val.toLowerCase()];
  } : function (val) {
    return map[val];
  };
}
/**
 * Check if a tag is a built-in tag.
 */


var isBuiltInTag = makeMap('slot,component', true);
/**
 * Check if an attribute is a reserved attribute.
 */

var isReservedAttribute = makeMap('key,ref,slot,slot-scope,is');
/**
 * Remove an item from an array.
 */

function remove(arr, item) {
  if (arr.length) {
    var index = arr.indexOf(item);

    if (index > -1) {
      return arr.splice(index, 1);
    }
  }
}
/**
 * Check whether an object has the property.
 */


var hasOwnProperty = Object.prototype.hasOwnProperty;

function hasOwn(obj, key) {
  return hasOwnProperty.call(obj, key);
}
/**
 * Create a cached version of a pure function.
 */


function cached(fn) {
  var cache = Object.create(null);
  return function cachedFn(str) {
    var hit = cache[str];
    return hit || (cache[str] = fn(str));
  };
}
/**
 * Camelize a hyphen-delimited string.
 */


var camelizeRE = /-(\w)/g;
var camelize = cached(function (str) {
  return str.replace(camelizeRE, function (_, c) {
    return c ? c.toUpperCase() : '';
  });
});
/**
 * Capitalize a string.
 */

var capitalize = cached(function (str) {
  return str.charAt(0).toUpperCase() + str.slice(1);
});
/**
 * Hyphenate a camelCase string.
 */

var hyphenateRE = /\B([A-Z])/g;
var hyphenate = cached(function (str) {
  return str.replace(hyphenateRE, '-$1').toLowerCase();
});
/**
 * Simple bind polyfill for environments that do not support it,
 * e.g., PhantomJS 1.x. Technically, we don't need this anymore
 * since native bind is now performant enough in most browsers.
 * But removing it would mean breaking code that was able to run in
 * PhantomJS 1.x, so this must be kept for backward compatibility.
 */

/* istanbul ignore next */

function polyfillBind(fn, ctx) {
  function boundFn(a) {
    var l = arguments.length;
    return l ? l > 1 ? fn.apply(ctx, arguments) : fn.call(ctx, a) : fn.call(ctx);
  }

  boundFn._length = fn.length;
  return boundFn;
}

function nativeBind(fn, ctx) {
  return fn.bind(ctx);
}

var bind = Function.prototype.bind ? nativeBind : polyfillBind;
/**
 * Convert an Array-like object to a real Array.
 */

function toArray(list, start) {
  start = start || 0;
  var i = list.length - start;
  var ret = new Array(i);

  while (i--) {
    ret[i] = list[i + start];
  }

  return ret;
}
/**
 * Mix properties into target object.
 */


function extend(to, _from) {
  for (var key in _from) {
    to[key] = _from[key];
  }

  return to;
}
/**
 * Merge an Array of Objects into a single Object.
 */


function toObject(arr) {
  var res = {};

  for (var i = 0; i < arr.length; i++) {
    if (arr[i]) {
      extend(res, arr[i]);
    }
  }

  return res;
}
/* eslint-disable no-unused-vars */

/**
 * Perform no operation.
 * Stubbing args to make Flow happy without leaving useless transpiled code
 * with ...rest (https://flow.org/blog/2017/05/07/Strict-Function-Call-Arity/).
 */


function noop(a, b, c) {}
/**
 * Always return false.
 */


var no = function (a, b, c) {
  return false;
};
/* eslint-enable no-unused-vars */

/**
 * Return the same value.
 */


var identity = function (_) {
  return _;
};
/**
 * Check if two values are loosely equal - that is,
 * if they are plain objects, do they have the same shape?
 */


function looseEqual(a, b) {
  if (a === b) {
    return true;
  }

  var isObjectA = isObject(a);
  var isObjectB = isObject(b);

  if (isObjectA && isObjectB) {
    try {
      var isArrayA = Array.isArray(a);
      var isArrayB = Array.isArray(b);

      if (isArrayA && isArrayB) {
        return a.length === b.length && a.every(function (e, i) {
          return looseEqual(e, b[i]);
        });
      } else if (a instanceof Date && b instanceof Date) {
        return a.getTime() === b.getTime();
      } else if (!isArrayA && !isArrayB) {
        var keysA = Object.keys(a);
        var keysB = Object.keys(b);
        return keysA.length === keysB.length && keysA.every(function (key) {
          return looseEqual(a[key], b[key]);
        });
      } else {
        /* istanbul ignore next */
        return false;
      }
    } catch (e) {
      /* istanbul ignore next */
      return false;
    }
  } else if (!isObjectA && !isObjectB) {
    return String(a) === String(b);
  } else {
    return false;
  }
}
/**
 * Return the first index at which a loosely equal value can be
 * found in the array (if value is a plain object, the array must
 * contain an object of the same shape), or -1 if it is not present.
 */


function looseIndexOf(arr, val) {
  for (var i = 0; i < arr.length; i++) {
    if (looseEqual(arr[i], val)) {
      return i;
    }
  }

  return -1;
}
/**
 * Ensure a function is called only once.
 */


function once(fn) {
  var called = false;
  return function () {
    if (!called) {
      called = true;
      fn.apply(this, arguments);
    }
  };
}

var SSR_ATTR = 'data-server-rendered';
var ASSET_TYPES = ['component', 'directive', 'filter'];
var LIFECYCLE_HOOKS = ['beforeCreate', 'created', 'beforeMount', 'mounted', 'beforeUpdate', 'updated', 'beforeDestroy', 'destroyed', 'activated', 'deactivated', 'errorCaptured', 'serverPrefetch'];
/*  */

var config = {
  /**
   * Option merge strategies (used in core/util/options)
   */
  // $flow-disable-line
  optionMergeStrategies: Object.create(null),

  /**
   * Whether to suppress warnings.
   */
  silent: false,

  /**
   * Show production mode tip message on boot?
   */
  productionTip: "development" !== 'production',

  /**
   * Whether to enable devtools
   */
  devtools: "development" !== 'production',

  /**
   * Whether to record perf
   */
  performance: false,

  /**
   * Error handler for watcher errors
   */
  errorHandler: null,

  /**
   * Warn handler for watcher warns
   */
  warnHandler: null,

  /**
   * Ignore certain custom elements
   */
  ignoredElements: [],

  /**
   * Custom user key aliases for v-on
   */
  // $flow-disable-line
  keyCodes: Object.create(null),

  /**
   * Check if a tag is reserved so that it cannot be registered as a
   * component. This is platform-dependent and may be overwritten.
   */
  isReservedTag: no,

  /**
   * Check if an attribute is reserved so that it cannot be used as a component
   * prop. This is platform-dependent and may be overwritten.
   */
  isReservedAttr: no,

  /**
   * Check if a tag is an unknown element.
   * Platform-dependent.
   */
  isUnknownElement: no,

  /**
   * Get the namespace of an element
   */
  getTagNamespace: noop,

  /**
   * Parse the real tag name for the specific platform.
   */
  parsePlatformTagName: identity,

  /**
   * Check if an attribute must be bound using property, e.g. value
   * Platform-dependent.
   */
  mustUseProp: no,

  /**
   * Perform updates asynchronously. Intended to be used by Vue Test Utils
   * This will significantly reduce performance if set to false.
   */
  async: true,

  /**
   * Exposed for legacy reasons
   */
  _lifecycleHooks: LIFECYCLE_HOOKS
};
/*  */

/**
 * unicode letters used for parsing html tags, component names and property paths.
 * using https://www.w3.org/TR/html53/semantics-scripting.html#potentialcustomelementname
 * skipping \u10000-\uEFFFF due to it freezing up PhantomJS
 */

var unicodeRegExp = /a-zA-Z\u00B7\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u037D\u037F-\u1FFF\u200C-\u200D\u203F-\u2040\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD/;
/**
 * Check if a string starts with $ or _
 */

function isReserved(str) {
  var c = (str + '').charCodeAt(0);
  return c === 0x24 || c === 0x5F;
}
/**
 * Define a property.
 */


function def(obj, key, val, enumerable) {
  Object.defineProperty(obj, key, {
    value: val,
    enumerable: !!enumerable,
    writable: true,
    configurable: true
  });
}
/**
 * Parse simple path.
 */


var bailRE = new RegExp("[^" + unicodeRegExp.source + ".$_\\d]");

function parsePath(path) {
  if (bailRE.test(path)) {
    return;
  }

  var segments = path.split('.');
  return function (obj) {
    for (var i = 0; i < segments.length; i++) {
      if (!obj) {
        return;
      }

      obj = obj[segments[i]];
    }

    return obj;
  };
}
/*  */
// can we use __proto__?


var hasProto = ('__proto__' in {}); // Browser environment sniffing

var inBrowser = typeof window !== 'undefined';
var inWeex = typeof WXEnvironment !== 'undefined' && !!WXEnvironment.platform;
var weexPlatform = inWeex && WXEnvironment.platform.toLowerCase();
var UA = inBrowser && window.navigator.userAgent.toLowerCase();
var isIE = UA && /msie|trident/.test(UA);
var isIE9 = UA && UA.indexOf('msie 9.0') > 0;
var isEdge = UA && UA.indexOf('edge/') > 0;
var isAndroid = UA && UA.indexOf('android') > 0 || weexPlatform === 'android';
var isIOS = UA && /iphone|ipad|ipod|ios/.test(UA) || weexPlatform === 'ios';
var isChrome = UA && /chrome\/\d+/.test(UA) && !isEdge;
var isPhantomJS = UA && /phantomjs/.test(UA);
var isFF = UA && UA.match(/firefox\/(\d+)/); // Firefox has a "watch" function on Object.prototype...

var nativeWatch = {}.watch;
var supportsPassive = false;

if (inBrowser) {
  try {
    var opts = {};
    Object.defineProperty(opts, 'passive', {
      get: function get() {
        /* istanbul ignore next */
        supportsPassive = true;
      }
    }); // https://github.com/facebook/flow/issues/285

    window.addEventListener('test-passive', null, opts);
  } catch (e) {}
} // this needs to be lazy-evaled because vue may be required before
// vue-server-renderer can set VUE_ENV


var _isServer;

var isServerRendering = function () {
  if (_isServer === undefined) {
    /* istanbul ignore if */
    if (!inBrowser && !inWeex && typeof __webpack_require__.g !== 'undefined') {
      // detect presence of vue-server-renderer and avoid
      // Webpack shimming the process
      _isServer = __webpack_require__.g['process'] && __webpack_require__.g['process'].env.VUE_ENV === 'server';
    } else {
      _isServer = false;
    }
  }

  return _isServer;
}; // detect devtools


var devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__;
/* istanbul ignore next */

function isNative(Ctor) {
  return typeof Ctor === 'function' && /native code/.test(Ctor.toString());
}

var hasSymbol = typeof Symbol !== 'undefined' && isNative(Symbol) && typeof Reflect !== 'undefined' && isNative(Reflect.ownKeys);

var _Set;
/* istanbul ignore if */
// $flow-disable-line


if (typeof Set !== 'undefined' && isNative(Set)) {
  // use native Set when available.
  _Set = Set;
} else {
  // a non-standard Set polyfill that only works with primitive keys.
  _Set = /*@__PURE__*/function () {
    function Set() {
      this.set = Object.create(null);
    }

    Set.prototype.has = function has(key) {
      return this.set[key] === true;
    };

    Set.prototype.add = function add(key) {
      this.set[key] = true;
    };

    Set.prototype.clear = function clear() {
      this.set = Object.create(null);
    };

    return Set;
  }();
}
/*  */


var warn = noop;
var tip = noop;
var generateComponentTrace = noop; // work around flow check

var formatComponentName = noop;

if (true) {
  var hasConsole = typeof console !== 'undefined';
  var classifyRE = /(?:^|[-_])(\w)/g;

  var classify = function (str) {
    return str.replace(classifyRE, function (c) {
      return c.toUpperCase();
    }).replace(/[-_]/g, '');
  };

  warn = function (msg, vm) {
    var trace = vm ? generateComponentTrace(vm) : '';

    if (config.warnHandler) {
      config.warnHandler.call(null, msg, vm, trace);
    } else if (hasConsole && !config.silent) {
      console.error("[Vue warn]: " + msg + trace);
    }
  };

  tip = function (msg, vm) {
    if (hasConsole && !config.silent) {
      console.warn("[Vue tip]: " + msg + (vm ? generateComponentTrace(vm) : ''));
    }
  };

  formatComponentName = function (vm, includeFile) {
    if (vm.$root === vm) {
      return '<Root>';
    }

    var options = typeof vm === 'function' && vm.cid != null ? vm.options : vm._isVue ? vm.$options || vm.constructor.options : vm;
    var name = options.name || options._componentTag;
    var file = options.__file;

    if (!name && file) {
      var match = file.match(/([^/\\]+)\.vue$/);
      name = match && match[1];
    }

    return (name ? "<" + classify(name) + ">" : "<Anonymous>") + (file && includeFile !== false ? " at " + file : '');
  };

  var repeat = function (str, n) {
    var res = '';

    while (n) {
      if (n % 2 === 1) {
        res += str;
      }

      if (n > 1) {
        str += str;
      }

      n >>= 1;
    }

    return res;
  };

  generateComponentTrace = function (vm) {
    if (vm._isVue && vm.$parent) {
      var tree = [];
      var currentRecursiveSequence = 0;

      while (vm) {
        if (tree.length > 0) {
          var last = tree[tree.length - 1];

          if (last.constructor === vm.constructor) {
            currentRecursiveSequence++;
            vm = vm.$parent;
            continue;
          } else if (currentRecursiveSequence > 0) {
            tree[tree.length - 1] = [last, currentRecursiveSequence];
            currentRecursiveSequence = 0;
          }
        }

        tree.push(vm);
        vm = vm.$parent;
      }

      return '\n\nfound in\n\n' + tree.map(function (vm, i) {
        return "" + (i === 0 ? '---> ' : repeat(' ', 5 + i * 2)) + (Array.isArray(vm) ? formatComponentName(vm[0]) + "... (" + vm[1] + " recursive calls)" : formatComponentName(vm));
      }).join('\n');
    } else {
      return "\n\n(found in " + formatComponentName(vm) + ")";
    }
  };
}
/*  */


var uid = 0;
/**
 * A dep is an observable that can have multiple
 * directives subscribing to it.
 */

var Dep = function Dep() {
  this.id = uid++;
  this.subs = [];
};

Dep.prototype.addSub = function addSub(sub) {
  this.subs.push(sub);
};

Dep.prototype.removeSub = function removeSub(sub) {
  remove(this.subs, sub);
};

Dep.prototype.depend = function depend() {
  if (Dep.target) {
    Dep.target.addDep(this);
  }
};

Dep.prototype.notify = function notify() {
  // stabilize the subscriber list first
  var subs = this.subs.slice();

  if ( true && !config.async) {
    // subs aren't sorted in scheduler if not running async
    // we need to sort them now to make sure they fire in correct
    // order
    subs.sort(function (a, b) {
      return a.id - b.id;
    });
  }

  for (var i = 0, l = subs.length; i < l; i++) {
    subs[i].update();
  }
}; // The current target watcher being evaluated.
// This is globally unique because only one watcher
// can be evaluated at a time.


Dep.target = null;
var targetStack = [];

function pushTarget(target) {
  targetStack.push(target);
  Dep.target = target;
}

function popTarget() {
  targetStack.pop();
  Dep.target = targetStack[targetStack.length - 1];
}
/*  */


var VNode = function VNode(tag, data, children, text, elm, context, componentOptions, asyncFactory) {
  this.tag = tag;
  this.data = data;
  this.children = children;
  this.text = text;
  this.elm = elm;
  this.ns = undefined;
  this.context = context;
  this.fnContext = undefined;
  this.fnOptions = undefined;
  this.fnScopeId = undefined;
  this.key = data && data.key;
  this.componentOptions = componentOptions;
  this.componentInstance = undefined;
  this.parent = undefined;
  this.raw = false;
  this.isStatic = false;
  this.isRootInsert = true;
  this.isComment = false;
  this.isCloned = false;
  this.isOnce = false;
  this.asyncFactory = asyncFactory;
  this.asyncMeta = undefined;
  this.isAsyncPlaceholder = false;
};

var prototypeAccessors = {
  child: {
    configurable: true
  }
}; // DEPRECATED: alias for componentInstance for backwards compat.

/* istanbul ignore next */

prototypeAccessors.child.get = function () {
  return this.componentInstance;
};

Object.defineProperties(VNode.prototype, prototypeAccessors);

var createEmptyVNode = function (text) {
  if (text === void 0) text = '';
  var node = new VNode();
  node.text = text;
  node.isComment = true;
  return node;
};

function createTextVNode(val) {
  return new VNode(undefined, undefined, undefined, String(val));
} // optimized shallow clone
// used for static nodes and slot nodes because they may be reused across
// multiple renders, cloning them avoids errors when DOM manipulations rely
// on their elm reference.


function cloneVNode(vnode) {
  var cloned = new VNode(vnode.tag, vnode.data, // #7975
  // clone children array to avoid mutating original in case of cloning
  // a child.
  vnode.children && vnode.children.slice(), vnode.text, vnode.elm, vnode.context, vnode.componentOptions, vnode.asyncFactory);
  cloned.ns = vnode.ns;
  cloned.isStatic = vnode.isStatic;
  cloned.key = vnode.key;
  cloned.isComment = vnode.isComment;
  cloned.fnContext = vnode.fnContext;
  cloned.fnOptions = vnode.fnOptions;
  cloned.fnScopeId = vnode.fnScopeId;
  cloned.asyncMeta = vnode.asyncMeta;
  cloned.isCloned = true;
  return cloned;
}
/*
 * not type checking this file because flow doesn't play well with
 * dynamically accessing methods on Array prototype
 */


var arrayProto = Array.prototype;
var arrayMethods = Object.create(arrayProto);
var methodsToPatch = ['push', 'pop', 'shift', 'unshift', 'splice', 'sort', 'reverse'];
/**
 * Intercept mutating methods and emit events
 */

methodsToPatch.forEach(function (method) {
  // cache original method
  var original = arrayProto[method];
  def(arrayMethods, method, function mutator() {
    var args = [],
        len = arguments.length;

    while (len--) args[len] = arguments[len];

    var result = original.apply(this, args);
    var ob = this.__ob__;
    var inserted;

    switch (method) {
      case 'push':
      case 'unshift':
        inserted = args;
        break;

      case 'splice':
        inserted = args.slice(2);
        break;
    }

    if (inserted) {
      ob.observeArray(inserted);
    } // notify change


    ob.dep.notify();
    return result;
  });
});
/*  */

var arrayKeys = Object.getOwnPropertyNames(arrayMethods);
/**
 * In some cases we may want to disable observation inside a component's
 * update computation.
 */

var shouldObserve = true;

function toggleObserving(value) {
  shouldObserve = value;
}
/**
 * Observer class that is attached to each observed
 * object. Once attached, the observer converts the target
 * object's property keys into getter/setters that
 * collect dependencies and dispatch updates.
 */


var Observer = function Observer(value) {
  this.value = value;
  this.dep = new Dep();
  this.vmCount = 0;
  def(value, '__ob__', this);

  if (Array.isArray(value)) {
    if (hasProto) {
      protoAugment(value, arrayMethods);
    } else {
      copyAugment(value, arrayMethods, arrayKeys);
    }

    this.observeArray(value);
  } else {
    this.walk(value);
  }
};
/**
 * Walk through all properties and convert them into
 * getter/setters. This method should only be called when
 * value type is Object.
 */


Observer.prototype.walk = function walk(obj) {
  var keys = Object.keys(obj);

  for (var i = 0; i < keys.length; i++) {
    defineReactive$$1(obj, keys[i]);
  }
};
/**
 * Observe a list of Array items.
 */


Observer.prototype.observeArray = function observeArray(items) {
  for (var i = 0, l = items.length; i < l; i++) {
    observe(items[i]);
  }
}; // helpers

/**
 * Augment a target Object or Array by intercepting
 * the prototype chain using __proto__
 */


function protoAugment(target, src) {
  /* eslint-disable no-proto */
  target.__proto__ = src;
  /* eslint-enable no-proto */
}
/**
 * Augment a target Object or Array by defining
 * hidden properties.
 */

/* istanbul ignore next */


function copyAugment(target, src, keys) {
  for (var i = 0, l = keys.length; i < l; i++) {
    var key = keys[i];
    def(target, key, src[key]);
  }
}
/**
 * Attempt to create an observer instance for a value,
 * returns the new observer if successfully observed,
 * or the existing observer if the value already has one.
 */


function observe(value, asRootData) {
  if (!isObject(value) || value instanceof VNode) {
    return;
  }

  var ob;

  if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {
    ob = value.__ob__;
  } else if (shouldObserve && !isServerRendering() && (Array.isArray(value) || isPlainObject(value)) && Object.isExtensible(value) && !value._isVue) {
    ob = new Observer(value);
  }

  if (asRootData && ob) {
    ob.vmCount++;
  }

  return ob;
}
/**
 * Define a reactive property on an Object.
 */


function defineReactive$$1(obj, key, val, customSetter, shallow) {
  var dep = new Dep();
  var property = Object.getOwnPropertyDescriptor(obj, key);

  if (property && property.configurable === false) {
    return;
  } // cater for pre-defined getter/setters


  var getter = property && property.get;
  var setter = property && property.set;

  if ((!getter || setter) && arguments.length === 2) {
    val = obj[key];
  }

  var childOb = !shallow && observe(val);
  Object.defineProperty(obj, key, {
    enumerable: true,
    configurable: true,
    get: function reactiveGetter() {
      var value = getter ? getter.call(obj) : val;

      if (Dep.target) {
        dep.depend();

        if (childOb) {
          childOb.dep.depend();

          if (Array.isArray(value)) {
            dependArray(value);
          }
        }
      }

      return value;
    },
    set: function reactiveSetter(newVal) {
      var value = getter ? getter.call(obj) : val;
      /* eslint-disable no-self-compare */

      if (newVal === value || newVal !== newVal && value !== value) {
        return;
      }
      /* eslint-enable no-self-compare */


      if ( true && customSetter) {
        customSetter();
      } // #7981: for accessor properties without setter


      if (getter && !setter) {
        return;
      }

      if (setter) {
        setter.call(obj, newVal);
      } else {
        val = newVal;
      }

      childOb = !shallow && observe(newVal);
      dep.notify();
    }
  });
}
/**
 * Set a property on an object. Adds the new property and
 * triggers change notification if the property doesn't
 * already exist.
 */


function set(target, key, val) {
  if ( true && (isUndef(target) || isPrimitive(target))) {
    warn("Cannot set reactive property on undefined, null, or primitive value: " + target);
  }

  if (Array.isArray(target) && isValidArrayIndex(key)) {
    target.length = Math.max(target.length, key);
    target.splice(key, 1, val);
    return val;
  }

  if (key in target && !(key in Object.prototype)) {
    target[key] = val;
    return val;
  }

  var ob = target.__ob__;

  if (target._isVue || ob && ob.vmCount) {
     true && warn('Avoid adding reactive properties to a Vue instance or its root $data ' + 'at runtime - declare it upfront in the data option.');
    return val;
  }

  if (!ob) {
    target[key] = val;
    return val;
  }

  defineReactive$$1(ob.value, key, val);
  ob.dep.notify();
  return val;
}
/**
 * Delete a property and trigger change if necessary.
 */


function del(target, key) {
  if ( true && (isUndef(target) || isPrimitive(target))) {
    warn("Cannot delete reactive property on undefined, null, or primitive value: " + target);
  }

  if (Array.isArray(target) && isValidArrayIndex(key)) {
    target.splice(key, 1);
    return;
  }

  var ob = target.__ob__;

  if (target._isVue || ob && ob.vmCount) {
     true && warn('Avoid deleting properties on a Vue instance or its root $data ' + '- just set it to null.');
    return;
  }

  if (!hasOwn(target, key)) {
    return;
  }

  delete target[key];

  if (!ob) {
    return;
  }

  ob.dep.notify();
}
/**
 * Collect dependencies on array elements when the array is touched, since
 * we cannot intercept array element access like property getters.
 */


function dependArray(value) {
  for (var e = void 0, i = 0, l = value.length; i < l; i++) {
    e = value[i];
    e && e.__ob__ && e.__ob__.dep.depend();

    if (Array.isArray(e)) {
      dependArray(e);
    }
  }
}
/*  */

/**
 * Option overwriting strategies are functions that handle
 * how to merge a parent option value and a child option
 * value into the final value.
 */


var strats = config.optionMergeStrategies;
/**
 * Options with restrictions
 */

if (true) {
  strats.el = strats.propsData = function (parent, child, vm, key) {
    if (!vm) {
      warn("option \"" + key + "\" can only be used during instance " + 'creation with the `new` keyword.');
    }

    return defaultStrat(parent, child);
  };
}
/**
 * Helper that recursively merges two data objects together.
 */


function mergeData(to, from) {
  if (!from) {
    return to;
  }

  var key, toVal, fromVal;
  var keys = hasSymbol ? Reflect.ownKeys(from) : Object.keys(from);

  for (var i = 0; i < keys.length; i++) {
    key = keys[i]; // in case the object is already observed...

    if (key === '__ob__') {
      continue;
    }

    toVal = to[key];
    fromVal = from[key];

    if (!hasOwn(to, key)) {
      set(to, key, fromVal);
    } else if (toVal !== fromVal && isPlainObject(toVal) && isPlainObject(fromVal)) {
      mergeData(toVal, fromVal);
    }
  }

  return to;
}
/**
 * Data
 */


function mergeDataOrFn(parentVal, childVal, vm) {
  if (!vm) {
    // in a Vue.extend merge, both should be functions
    if (!childVal) {
      return parentVal;
    }

    if (!parentVal) {
      return childVal;
    } // when parentVal & childVal are both present,
    // we need to return a function that returns the
    // merged result of both functions... no need to
    // check if parentVal is a function here because
    // it has to be a function to pass previous merges.


    return function mergedDataFn() {
      return mergeData(typeof childVal === 'function' ? childVal.call(this, this) : childVal, typeof parentVal === 'function' ? parentVal.call(this, this) : parentVal);
    };
  } else {
    return function mergedInstanceDataFn() {
      // instance merge
      var instanceData = typeof childVal === 'function' ? childVal.call(vm, vm) : childVal;
      var defaultData = typeof parentVal === 'function' ? parentVal.call(vm, vm) : parentVal;

      if (instanceData) {
        return mergeData(instanceData, defaultData);
      } else {
        return defaultData;
      }
    };
  }
}

strats.data = function (parentVal, childVal, vm) {
  if (!vm) {
    if (childVal && typeof childVal !== 'function') {
       true && warn('The "data" option should be a function ' + 'that returns a per-instance value in component ' + 'definitions.', vm);
      return parentVal;
    }

    return mergeDataOrFn(parentVal, childVal);
  }

  return mergeDataOrFn(parentVal, childVal, vm);
};
/**
 * Hooks and props are merged as arrays.
 */


function mergeHook(parentVal, childVal) {
  var res = childVal ? parentVal ? parentVal.concat(childVal) : Array.isArray(childVal) ? childVal : [childVal] : parentVal;
  return res ? dedupeHooks(res) : res;
}

function dedupeHooks(hooks) {
  var res = [];

  for (var i = 0; i < hooks.length; i++) {
    if (res.indexOf(hooks[i]) === -1) {
      res.push(hooks[i]);
    }
  }

  return res;
}

LIFECYCLE_HOOKS.forEach(function (hook) {
  strats[hook] = mergeHook;
});
/**
 * Assets
 *
 * When a vm is present (instance creation), we need to do
 * a three-way merge between constructor options, instance
 * options and parent options.
 */

function mergeAssets(parentVal, childVal, vm, key) {
  var res = Object.create(parentVal || null);

  if (childVal) {
     true && assertObjectType(key, childVal, vm);
    return extend(res, childVal);
  } else {
    return res;
  }
}

ASSET_TYPES.forEach(function (type) {
  strats[type + 's'] = mergeAssets;
});
/**
 * Watchers.
 *
 * Watchers hashes should not overwrite one
 * another, so we merge them as arrays.
 */

strats.watch = function (parentVal, childVal, vm, key) {
  // work around Firefox's Object.prototype.watch...
  if (parentVal === nativeWatch) {
    parentVal = undefined;
  }

  if (childVal === nativeWatch) {
    childVal = undefined;
  }
  /* istanbul ignore if */


  if (!childVal) {
    return Object.create(parentVal || null);
  }

  if (true) {
    assertObjectType(key, childVal, vm);
  }

  if (!parentVal) {
    return childVal;
  }

  var ret = {};
  extend(ret, parentVal);

  for (var key$1 in childVal) {
    var parent = ret[key$1];
    var child = childVal[key$1];

    if (parent && !Array.isArray(parent)) {
      parent = [parent];
    }

    ret[key$1] = parent ? parent.concat(child) : Array.isArray(child) ? child : [child];
  }

  return ret;
};
/**
 * Other object hashes.
 */


strats.props = strats.methods = strats.inject = strats.computed = function (parentVal, childVal, vm, key) {
  if (childVal && "development" !== 'production') {
    assertObjectType(key, childVal, vm);
  }

  if (!parentVal) {
    return childVal;
  }

  var ret = Object.create(null);
  extend(ret, parentVal);

  if (childVal) {
    extend(ret, childVal);
  }

  return ret;
};

strats.provide = mergeDataOrFn;
/**
 * Default strategy.
 */

var defaultStrat = function (parentVal, childVal) {
  return childVal === undefined ? parentVal : childVal;
};
/**
 * Validate component names
 */


function checkComponents(options) {
  for (var key in options.components) {
    validateComponentName(key);
  }
}

function validateComponentName(name) {
  if (!new RegExp("^[a-zA-Z][\\-\\.0-9_" + unicodeRegExp.source + "]*$").test(name)) {
    warn('Invalid component name: "' + name + '". Component names ' + 'should conform to valid custom element name in html5 specification.');
  }

  if (isBuiltInTag(name) || config.isReservedTag(name)) {
    warn('Do not use built-in or reserved HTML elements as component ' + 'id: ' + name);
  }
}
/**
 * Ensure all props option syntax are normalized into the
 * Object-based format.
 */


function normalizeProps(options, vm) {
  var props = options.props;

  if (!props) {
    return;
  }

  var res = {};
  var i, val, name;

  if (Array.isArray(props)) {
    i = props.length;

    while (i--) {
      val = props[i];

      if (typeof val === 'string') {
        name = camelize(val);
        res[name] = {
          type: null
        };
      } else if (true) {
        warn('props must be strings when using array syntax.');
      }
    }
  } else if (isPlainObject(props)) {
    for (var key in props) {
      val = props[key];
      name = camelize(key);
      res[name] = isPlainObject(val) ? val : {
        type: val
      };
    }
  } else if (true) {
    warn("Invalid value for option \"props\": expected an Array or an Object, " + "but got " + toRawType(props) + ".", vm);
  }

  options.props = res;
}
/**
 * Normalize all injections into Object-based format
 */


function normalizeInject(options, vm) {
  var inject = options.inject;

  if (!inject) {
    return;
  }

  var normalized = options.inject = {};

  if (Array.isArray(inject)) {
    for (var i = 0; i < inject.length; i++) {
      normalized[inject[i]] = {
        from: inject[i]
      };
    }
  } else if (isPlainObject(inject)) {
    for (var key in inject) {
      var val = inject[key];
      normalized[key] = isPlainObject(val) ? extend({
        from: key
      }, val) : {
        from: val
      };
    }
  } else if (true) {
    warn("Invalid value for option \"inject\": expected an Array or an Object, " + "but got " + toRawType(inject) + ".", vm);
  }
}
/**
 * Normalize raw function directives into object format.
 */


function normalizeDirectives(options) {
  var dirs = options.directives;

  if (dirs) {
    for (var key in dirs) {
      var def$$1 = dirs[key];

      if (typeof def$$1 === 'function') {
        dirs[key] = {
          bind: def$$1,
          update: def$$1
        };
      }
    }
  }
}

function assertObjectType(name, value, vm) {
  if (!isPlainObject(value)) {
    warn("Invalid value for option \"" + name + "\": expected an Object, " + "but got " + toRawType(value) + ".", vm);
  }
}
/**
 * Merge two option objects into a new one.
 * Core utility used in both instantiation and inheritance.
 */


function mergeOptions(parent, child, vm) {
  if (true) {
    checkComponents(child);
  }

  if (typeof child === 'function') {
    child = child.options;
  }

  normalizeProps(child, vm);
  normalizeInject(child, vm);
  normalizeDirectives(child); // Apply extends and mixins on the child options,
  // but only if it is a raw options object that isn't
  // the result of another mergeOptions call.
  // Only merged options has the _base property.

  if (!child._base) {
    if (child.extends) {
      parent = mergeOptions(parent, child.extends, vm);
    }

    if (child.mixins) {
      for (var i = 0, l = child.mixins.length; i < l; i++) {
        parent = mergeOptions(parent, child.mixins[i], vm);
      }
    }
  }

  var options = {};
  var key;

  for (key in parent) {
    mergeField(key);
  }

  for (key in child) {
    if (!hasOwn(parent, key)) {
      mergeField(key);
    }
  }

  function mergeField(key) {
    var strat = strats[key] || defaultStrat;
    options[key] = strat(parent[key], child[key], vm, key);
  }

  return options;
}
/**
 * Resolve an asset.
 * This function is used because child instances need access
 * to assets defined in its ancestor chain.
 */


function resolveAsset(options, type, id, warnMissing) {
  /* istanbul ignore if */
  if (typeof id !== 'string') {
    return;
  }

  var assets = options[type]; // check local registration variations first

  if (hasOwn(assets, id)) {
    return assets[id];
  }

  var camelizedId = camelize(id);

  if (hasOwn(assets, camelizedId)) {
    return assets[camelizedId];
  }

  var PascalCaseId = capitalize(camelizedId);

  if (hasOwn(assets, PascalCaseId)) {
    return assets[PascalCaseId];
  } // fallback to prototype chain


  var res = assets[id] || assets[camelizedId] || assets[PascalCaseId];

  if ( true && warnMissing && !res) {
    warn('Failed to resolve ' + type.slice(0, -1) + ': ' + id, options);
  }

  return res;
}
/*  */


function validateProp(key, propOptions, propsData, vm) {
  var prop = propOptions[key];
  var absent = !hasOwn(propsData, key);
  var value = propsData[key]; // boolean casting

  var booleanIndex = getTypeIndex(Boolean, prop.type);

  if (booleanIndex > -1) {
    if (absent && !hasOwn(prop, 'default')) {
      value = false;
    } else if (value === '' || value === hyphenate(key)) {
      // only cast empty string / same name to boolean if
      // boolean has higher priority
      var stringIndex = getTypeIndex(String, prop.type);

      if (stringIndex < 0 || booleanIndex < stringIndex) {
        value = true;
      }
    }
  } // check default value


  if (value === undefined) {
    value = getPropDefaultValue(vm, prop, key); // since the default value is a fresh copy,
    // make sure to observe it.

    var prevShouldObserve = shouldObserve;
    toggleObserving(true);
    observe(value);
    toggleObserving(prevShouldObserve);
  }

  if (true) {
    assertProp(prop, key, value, vm, absent);
  }

  return value;
}
/**
 * Get the default value of a prop.
 */


function getPropDefaultValue(vm, prop, key) {
  // no default, return undefined
  if (!hasOwn(prop, 'default')) {
    return undefined;
  }

  var def = prop.default; // warn against non-factory defaults for Object & Array

  if ( true && isObject(def)) {
    warn('Invalid default value for prop "' + key + '": ' + 'Props with type Object/Array must use a factory function ' + 'to return the default value.', vm);
  } // the raw prop value was also undefined from previous render,
  // return previous default value to avoid unnecessary watcher trigger


  if (vm && vm.$options.propsData && vm.$options.propsData[key] === undefined && vm._props[key] !== undefined) {
    return vm._props[key];
  } // call factory function for non-Function types
  // a value is Function if its prototype is function even across different execution context


  return typeof def === 'function' && getType(prop.type) !== 'Function' ? def.call(vm) : def;
}
/**
 * Assert whether a prop is valid.
 */


function assertProp(prop, name, value, vm, absent) {
  if (prop.required && absent) {
    warn('Missing required prop: "' + name + '"', vm);
    return;
  }

  if (value == null && !prop.required) {
    return;
  }

  var type = prop.type;
  var valid = !type || type === true;
  var expectedTypes = [];

  if (type) {
    if (!Array.isArray(type)) {
      type = [type];
    }

    for (var i = 0; i < type.length && !valid; i++) {
      var assertedType = assertType(value, type[i], vm);
      expectedTypes.push(assertedType.expectedType || '');
      valid = assertedType.valid;
    }
  }

  var haveExpectedTypes = expectedTypes.some(function (t) {
    return t;
  });

  if (!valid && haveExpectedTypes) {
    warn(getInvalidTypeMessage(name, value, expectedTypes), vm);
    return;
  }

  var validator = prop.validator;

  if (validator) {
    if (!validator(value)) {
      warn('Invalid prop: custom validator check failed for prop "' + name + '".', vm);
    }
  }
}

var simpleCheckRE = /^(String|Number|Boolean|Function|Symbol|BigInt)$/;

function assertType(value, type, vm) {
  var valid;
  var expectedType = getType(type);

  if (simpleCheckRE.test(expectedType)) {
    var t = typeof value;
    valid = t === expectedType.toLowerCase(); // for primitive wrapper objects

    if (!valid && t === 'object') {
      valid = value instanceof type;
    }
  } else if (expectedType === 'Object') {
    valid = isPlainObject(value);
  } else if (expectedType === 'Array') {
    valid = Array.isArray(value);
  } else {
    try {
      valid = value instanceof type;
    } catch (e) {
      warn('Invalid prop type: "' + String(type) + '" is not a constructor', vm);
      valid = false;
    }
  }

  return {
    valid: valid,
    expectedType: expectedType
  };
}

var functionTypeCheckRE = /^\s*function (\w+)/;
/**
 * Use function string name to check built-in types,
 * because a simple equality check will fail when running
 * across different vms / iframes.
 */

function getType(fn) {
  var match = fn && fn.toString().match(functionTypeCheckRE);
  return match ? match[1] : '';
}

function isSameType(a, b) {
  return getType(a) === getType(b);
}

function getTypeIndex(type, expectedTypes) {
  if (!Array.isArray(expectedTypes)) {
    return isSameType(expectedTypes, type) ? 0 : -1;
  }

  for (var i = 0, len = expectedTypes.length; i < len; i++) {
    if (isSameType(expectedTypes[i], type)) {
      return i;
    }
  }

  return -1;
}

function getInvalidTypeMessage(name, value, expectedTypes) {
  var message = "Invalid prop: type check failed for prop \"" + name + "\"." + " Expected " + expectedTypes.map(capitalize).join(', ');
  var expectedType = expectedTypes[0];
  var receivedType = toRawType(value); // check if we need to specify expected value

  if (expectedTypes.length === 1 && isExplicable(expectedType) && isExplicable(typeof value) && !isBoolean(expectedType, receivedType)) {
    message += " with value " + styleValue(value, expectedType);
  }

  message += ", got " + receivedType + " "; // check if we need to specify received value

  if (isExplicable(receivedType)) {
    message += "with value " + styleValue(value, receivedType) + ".";
  }

  return message;
}

function styleValue(value, type) {
  if (type === 'String') {
    return "\"" + value + "\"";
  } else if (type === 'Number') {
    return "" + Number(value);
  } else {
    return "" + value;
  }
}

var EXPLICABLE_TYPES = ['string', 'number', 'boolean'];

function isExplicable(value) {
  return EXPLICABLE_TYPES.some(function (elem) {
    return value.toLowerCase() === elem;
  });
}

function isBoolean() {
  var args = [],
      len = arguments.length;

  while (len--) args[len] = arguments[len];

  return args.some(function (elem) {
    return elem.toLowerCase() === 'boolean';
  });
}
/*  */


function handleError(err, vm, info) {
  // Deactivate deps tracking while processing error handler to avoid possible infinite rendering.
  // See: https://github.com/vuejs/vuex/issues/1505
  pushTarget();

  try {
    if (vm) {
      var cur = vm;

      while (cur = cur.$parent) {
        var hooks = cur.$options.errorCaptured;

        if (hooks) {
          for (var i = 0; i < hooks.length; i++) {
            try {
              var capture = hooks[i].call(cur, err, vm, info) === false;

              if (capture) {
                return;
              }
            } catch (e) {
              globalHandleError(e, cur, 'errorCaptured hook');
            }
          }
        }
      }
    }

    globalHandleError(err, vm, info);
  } finally {
    popTarget();
  }
}

function invokeWithErrorHandling(handler, context, args, vm, info) {
  var res;

  try {
    res = args ? handler.apply(context, args) : handler.call(context);

    if (res && !res._isVue && isPromise(res) && !res._handled) {
      res.catch(function (e) {
        return handleError(e, vm, info + " (Promise/async)");
      }); // issue #9511
      // avoid catch triggering multiple times when nested calls

      res._handled = true;
    }
  } catch (e) {
    handleError(e, vm, info);
  }

  return res;
}

function globalHandleError(err, vm, info) {
  if (config.errorHandler) {
    try {
      return config.errorHandler.call(null, err, vm, info);
    } catch (e) {
      // if the user intentionally throws the original error in the handler,
      // do not log it twice
      if (e !== err) {
        logError(e, null, 'config.errorHandler');
      }
    }
  }

  logError(err, vm, info);
}

function logError(err, vm, info) {
  if (true) {
    warn("Error in " + info + ": \"" + err.toString() + "\"", vm);
  }
  /* istanbul ignore else */


  if ((inBrowser || inWeex) && typeof console !== 'undefined') {
    console.error(err);
  } else {
    throw err;
  }
}
/*  */


var isUsingMicroTask = false;
var callbacks = [];
var pending = false;

function flushCallbacks() {
  pending = false;
  var copies = callbacks.slice(0);
  callbacks.length = 0;

  for (var i = 0; i < copies.length; i++) {
    copies[i]();
  }
} // Here we have async deferring wrappers using microtasks.
// In 2.5 we used (macro) tasks (in combination with microtasks).
// However, it has subtle problems when state is changed right before repaint
// (e.g. #6813, out-in transitions).
// Also, using (macro) tasks in event handler would cause some weird behaviors
// that cannot be circumvented (e.g. #7109, #7153, #7546, #7834, #8109).
// So we now use microtasks everywhere, again.
// A major drawback of this tradeoff is that there are some scenarios
// where microtasks have too high a priority and fire in between supposedly
// sequential events (e.g. #4521, #6690, which have workarounds)
// or even between bubbling of the same event (#6566).


var timerFunc; // The nextTick behavior leverages the microtask queue, which can be accessed
// via either native Promise.then or MutationObserver.
// MutationObserver has wider support, however it is seriously bugged in
// UIWebView in iOS >= 9.3.3 when triggered in touch event handlers. It
// completely stops working after triggering a few times... so, if native
// Promise is available, we will use it:

/* istanbul ignore next, $flow-disable-line */

if (typeof Promise !== 'undefined' && isNative(Promise)) {
  var p = Promise.resolve();

  timerFunc = function () {
    p.then(flushCallbacks); // In problematic UIWebViews, Promise.then doesn't completely break, but
    // it can get stuck in a weird state where callbacks are pushed into the
    // microtask queue but the queue isn't being flushed, until the browser
    // needs to do some other work, e.g. handle a timer. Therefore we can
    // "force" the microtask queue to be flushed by adding an empty timer.

    if (isIOS) {
      setTimeout(noop);
    }
  };

  isUsingMicroTask = true;
} else if (!isIE && typeof MutationObserver !== 'undefined' && (isNative(MutationObserver) || // PhantomJS and iOS 7.x
MutationObserver.toString() === '[object MutationObserverConstructor]')) {
  // Use MutationObserver where native Promise is not available,
  // e.g. PhantomJS, iOS7, Android 4.4
  // (#6466 MutationObserver is unreliable in IE11)
  var counter = 1;
  var observer = new MutationObserver(flushCallbacks);
  var textNode = document.createTextNode(String(counter));
  observer.observe(textNode, {
    characterData: true
  });

  timerFunc = function () {
    counter = (counter + 1) % 2;
    textNode.data = String(counter);
  };

  isUsingMicroTask = true;
} else if (typeof setImmediate !== 'undefined' && isNative(setImmediate)) {
  // Fallback to setImmediate.
  // Technically it leverages the (macro) task queue,
  // but it is still a better choice than setTimeout.
  timerFunc = function () {
    setImmediate(flushCallbacks);
  };
} else {
  // Fallback to setTimeout.
  timerFunc = function () {
    setTimeout(flushCallbacks, 0);
  };
}

function nextTick(cb, ctx) {
  var _resolve;

  callbacks.push(function () {
    if (cb) {
      try {
        cb.call(ctx);
      } catch (e) {
        handleError(e, ctx, 'nextTick');
      }
    } else if (_resolve) {
      _resolve(ctx);
    }
  });

  if (!pending) {
    pending = true;
    timerFunc();
  } // $flow-disable-line


  if (!cb && typeof Promise !== 'undefined') {
    return new Promise(function (resolve) {
      _resolve = resolve;
    });
  }
}
/*  */

/* not type checking this file because flow doesn't play well with Proxy */


var initProxy;

if (true) {
  var allowedGlobals = makeMap('Infinity,undefined,NaN,isFinite,isNaN,' + 'parseFloat,parseInt,decodeURI,decodeURIComponent,encodeURI,encodeURIComponent,' + 'Math,Number,Date,Array,Object,Boolean,String,RegExp,Map,Set,JSON,Intl,BigInt,' + 'require' // for Webpack/Browserify
  );

  var warnNonPresent = function (target, key) {
    warn("Property or method \"" + key + "\" is not defined on the instance but " + 'referenced during render. Make sure that this property is reactive, ' + 'either in the data option, or for class-based components, by ' + 'initializing the property. ' + 'See: https://vuejs.org/v2/guide/reactivity.html#Declaring-Reactive-Properties.', target);
  };

  var warnReservedPrefix = function (target, key) {
    warn("Property \"" + key + "\" must be accessed with \"$data." + key + "\" because " + 'properties starting with "$" or "_" are not proxied in the Vue instance to ' + 'prevent conflicts with Vue internals. ' + 'See: https://vuejs.org/v2/api/#data', target);
  };

  var hasProxy = typeof Proxy !== 'undefined' && isNative(Proxy);

  if (hasProxy) {
    var isBuiltInModifier = makeMap('stop,prevent,self,ctrl,shift,alt,meta,exact');
    config.keyCodes = new Proxy(config.keyCodes, {
      set: function set(target, key, value) {
        if (isBuiltInModifier(key)) {
          warn("Avoid overwriting built-in modifier in config.keyCodes: ." + key);
          return false;
        } else {
          target[key] = value;
          return true;
        }
      }
    });
  }

  var hasHandler = {
    has: function has(target, key) {
      var has = (key in target);
      var isAllowed = allowedGlobals(key) || typeof key === 'string' && key.charAt(0) === '_' && !(key in target.$data);

      if (!has && !isAllowed) {
        if (key in target.$data) {
          warnReservedPrefix(target, key);
        } else {
          warnNonPresent(target, key);
        }
      }

      return has || !isAllowed;
    }
  };
  var getHandler = {
    get: function get(target, key) {
      if (typeof key === 'string' && !(key in target)) {
        if (key in target.$data) {
          warnReservedPrefix(target, key);
        } else {
          warnNonPresent(target, key);
        }
      }

      return target[key];
    }
  };

  initProxy = function initProxy(vm) {
    if (hasProxy) {
      // determine which proxy handler to use
      var options = vm.$options;
      var handlers = options.render && options.render._withStripped ? getHandler : hasHandler;
      vm._renderProxy = new Proxy(vm, handlers);
    } else {
      vm._renderProxy = vm;
    }
  };
}
/*  */


var seenObjects = new _Set();
/**
 * Recursively traverse an object to evoke all converted
 * getters, so that every nested property inside the object
 * is collected as a "deep" dependency.
 */

function traverse(val) {
  _traverse(val, seenObjects);

  seenObjects.clear();
}

function _traverse(val, seen) {
  var i, keys;
  var isA = Array.isArray(val);

  if (!isA && !isObject(val) || Object.isFrozen(val) || val instanceof VNode) {
    return;
  }

  if (val.__ob__) {
    var depId = val.__ob__.dep.id;

    if (seen.has(depId)) {
      return;
    }

    seen.add(depId);
  }

  if (isA) {
    i = val.length;

    while (i--) {
      _traverse(val[i], seen);
    }
  } else {
    keys = Object.keys(val);
    i = keys.length;

    while (i--) {
      _traverse(val[keys[i]], seen);
    }
  }
}

var mark;
var measure;

if (true) {
  var perf = inBrowser && window.performance;
  /* istanbul ignore if */

  if (perf && perf.mark && perf.measure && perf.clearMarks && perf.clearMeasures) {
    mark = function (tag) {
      return perf.mark(tag);
    };

    measure = function (name, startTag, endTag) {
      perf.measure(name, startTag, endTag);
      perf.clearMarks(startTag);
      perf.clearMarks(endTag); // perf.clearMeasures(name)
    };
  }
}
/*  */


var normalizeEvent = cached(function (name) {
  var passive = name.charAt(0) === '&';
  name = passive ? name.slice(1) : name;
  var once$$1 = name.charAt(0) === '~'; // Prefixed last, checked first

  name = once$$1 ? name.slice(1) : name;
  var capture = name.charAt(0) === '!';
  name = capture ? name.slice(1) : name;
  return {
    name: name,
    once: once$$1,
    capture: capture,
    passive: passive
  };
});

function createFnInvoker(fns, vm) {
  function invoker() {
    var arguments$1 = arguments;
    var fns = invoker.fns;

    if (Array.isArray(fns)) {
      var cloned = fns.slice();

      for (var i = 0; i < cloned.length; i++) {
        invokeWithErrorHandling(cloned[i], null, arguments$1, vm, "v-on handler");
      }
    } else {
      // return handler return value for single handlers
      return invokeWithErrorHandling(fns, null, arguments, vm, "v-on handler");
    }
  }

  invoker.fns = fns;
  return invoker;
}

function updateListeners(on, oldOn, add, remove$$1, createOnceHandler, vm) {
  var name, def$$1, cur, old, event;

  for (name in on) {
    def$$1 = cur = on[name];
    old = oldOn[name];
    event = normalizeEvent(name);

    if (isUndef(cur)) {
       true && warn("Invalid handler for event \"" + event.name + "\": got " + String(cur), vm);
    } else if (isUndef(old)) {
      if (isUndef(cur.fns)) {
        cur = on[name] = createFnInvoker(cur, vm);
      }

      if (isTrue(event.once)) {
        cur = on[name] = createOnceHandler(event.name, cur, event.capture);
      }

      add(event.name, cur, event.capture, event.passive, event.params);
    } else if (cur !== old) {
      old.fns = cur;
      on[name] = old;
    }
  }

  for (name in oldOn) {
    if (isUndef(on[name])) {
      event = normalizeEvent(name);
      remove$$1(event.name, oldOn[name], event.capture);
    }
  }
}
/*  */


function mergeVNodeHook(def, hookKey, hook) {
  if (def instanceof VNode) {
    def = def.data.hook || (def.data.hook = {});
  }

  var invoker;
  var oldHook = def[hookKey];

  function wrappedHook() {
    hook.apply(this, arguments); // important: remove merged hook to ensure it's called only once
    // and prevent memory leak

    remove(invoker.fns, wrappedHook);
  }

  if (isUndef(oldHook)) {
    // no existing hook
    invoker = createFnInvoker([wrappedHook]);
  } else {
    /* istanbul ignore if */
    if (isDef(oldHook.fns) && isTrue(oldHook.merged)) {
      // already a merged invoker
      invoker = oldHook;
      invoker.fns.push(wrappedHook);
    } else {
      // existing plain hook
      invoker = createFnInvoker([oldHook, wrappedHook]);
    }
  }

  invoker.merged = true;
  def[hookKey] = invoker;
}
/*  */


function extractPropsFromVNodeData(data, Ctor, tag) {
  // we are only extracting raw values here.
  // validation and default values are handled in the child
  // component itself.
  var propOptions = Ctor.options.props;

  if (isUndef(propOptions)) {
    return;
  }

  var res = {};
  var attrs = data.attrs;
  var props = data.props;

  if (isDef(attrs) || isDef(props)) {
    for (var key in propOptions) {
      var altKey = hyphenate(key);

      if (true) {
        var keyInLowerCase = key.toLowerCase();

        if (key !== keyInLowerCase && attrs && hasOwn(attrs, keyInLowerCase)) {
          tip("Prop \"" + keyInLowerCase + "\" is passed to component " + formatComponentName(tag || Ctor) + ", but the declared prop name is" + " \"" + key + "\". " + "Note that HTML attributes are case-insensitive and camelCased " + "props need to use their kebab-case equivalents when using in-DOM " + "templates. You should probably use \"" + altKey + "\" instead of \"" + key + "\".");
        }
      }

      checkProp(res, props, key, altKey, true) || checkProp(res, attrs, key, altKey, false);
    }
  }

  return res;
}

function checkProp(res, hash, key, altKey, preserve) {
  if (isDef(hash)) {
    if (hasOwn(hash, key)) {
      res[key] = hash[key];

      if (!preserve) {
        delete hash[key];
      }

      return true;
    } else if (hasOwn(hash, altKey)) {
      res[key] = hash[altKey];

      if (!preserve) {
        delete hash[altKey];
      }

      return true;
    }
  }

  return false;
}
/*  */
// The template compiler attempts to minimize the need for normalization by
// statically analyzing the template at compile time.
//
// For plain HTML markup, normalization can be completely skipped because the
// generated render function is guaranteed to return Array<VNode>. There are
// two cases where extra normalization is needed:
// 1. When the children contains components - because a functional component
// may return an Array instead of a single root. In this case, just a simple
// normalization is needed - if any child is an Array, we flatten the whole
// thing with Array.prototype.concat. It is guaranteed to be only 1-level deep
// because functional components already normalize their own children.


function simpleNormalizeChildren(children) {
  for (var i = 0; i < children.length; i++) {
    if (Array.isArray(children[i])) {
      return Array.prototype.concat.apply([], children);
    }
  }

  return children;
} // 2. When the children contains constructs that always generated nested Arrays,
// e.g. <template>, <slot>, v-for, or when the children is provided by user
// with hand-written render functions / JSX. In such cases a full normalization
// is needed to cater to all possible types of children values.


function normalizeChildren(children) {
  return isPrimitive(children) ? [createTextVNode(children)] : Array.isArray(children) ? normalizeArrayChildren(children) : undefined;
}

function isTextNode(node) {
  return isDef(node) && isDef(node.text) && isFalse(node.isComment);
}

function normalizeArrayChildren(children, nestedIndex) {
  var res = [];
  var i, c, lastIndex, last;

  for (i = 0; i < children.length; i++) {
    c = children[i];

    if (isUndef(c) || typeof c === 'boolean') {
      continue;
    }

    lastIndex = res.length - 1;
    last = res[lastIndex]; //  nested

    if (Array.isArray(c)) {
      if (c.length > 0) {
        c = normalizeArrayChildren(c, (nestedIndex || '') + "_" + i); // merge adjacent text nodes

        if (isTextNode(c[0]) && isTextNode(last)) {
          res[lastIndex] = createTextVNode(last.text + c[0].text);
          c.shift();
        }

        res.push.apply(res, c);
      }
    } else if (isPrimitive(c)) {
      if (isTextNode(last)) {
        // merge adjacent text nodes
        // this is necessary for SSR hydration because text nodes are
        // essentially merged when rendered to HTML strings
        res[lastIndex] = createTextVNode(last.text + c);
      } else if (c !== '') {
        // convert primitive to vnode
        res.push(createTextVNode(c));
      }
    } else {
      if (isTextNode(c) && isTextNode(last)) {
        // merge adjacent text nodes
        res[lastIndex] = createTextVNode(last.text + c.text);
      } else {
        // default key for nested array children (likely generated by v-for)
        if (isTrue(children._isVList) && isDef(c.tag) && isUndef(c.key) && isDef(nestedIndex)) {
          c.key = "__vlist" + nestedIndex + "_" + i + "__";
        }

        res.push(c);
      }
    }
  }

  return res;
}
/*  */


function initProvide(vm) {
  var provide = vm.$options.provide;

  if (provide) {
    vm._provided = typeof provide === 'function' ? provide.call(vm) : provide;
  }
}

function initInjections(vm) {
  var result = resolveInject(vm.$options.inject, vm);

  if (result) {
    toggleObserving(false);
    Object.keys(result).forEach(function (key) {
      /* istanbul ignore else */
      if (true) {
        defineReactive$$1(vm, key, result[key], function () {
          warn("Avoid mutating an injected value directly since the changes will be " + "overwritten whenever the provided component re-renders. " + "injection being mutated: \"" + key + "\"", vm);
        });
      } else {}
    });
    toggleObserving(true);
  }
}

function resolveInject(inject, vm) {
  if (inject) {
    // inject is :any because flow is not smart enough to figure out cached
    var result = Object.create(null);
    var keys = hasSymbol ? Reflect.ownKeys(inject) : Object.keys(inject);

    for (var i = 0; i < keys.length; i++) {
      var key = keys[i]; // #6574 in case the inject object is observed...

      if (key === '__ob__') {
        continue;
      }

      var provideKey = inject[key].from;
      var source = vm;

      while (source) {
        if (source._provided && hasOwn(source._provided, provideKey)) {
          result[key] = source._provided[provideKey];
          break;
        }

        source = source.$parent;
      }

      if (!source) {
        if ('default' in inject[key]) {
          var provideDefault = inject[key].default;
          result[key] = typeof provideDefault === 'function' ? provideDefault.call(vm) : provideDefault;
        } else if (true) {
          warn("Injection \"" + key + "\" not found", vm);
        }
      }
    }

    return result;
  }
}
/*  */

/**
 * Runtime helper for resolving raw children VNodes into a slot object.
 */


function resolveSlots(children, context) {
  if (!children || !children.length) {
    return {};
  }

  var slots = {};

  for (var i = 0, l = children.length; i < l; i++) {
    var child = children[i];
    var data = child.data; // remove slot attribute if the node is resolved as a Vue slot node

    if (data && data.attrs && data.attrs.slot) {
      delete data.attrs.slot;
    } // named slots should only be respected if the vnode was rendered in the
    // same context.


    if ((child.context === context || child.fnContext === context) && data && data.slot != null) {
      var name = data.slot;
      var slot = slots[name] || (slots[name] = []);

      if (child.tag === 'template') {
        slot.push.apply(slot, child.children || []);
      } else {
        slot.push(child);
      }
    } else {
      (slots.default || (slots.default = [])).push(child);
    }
  } // ignore slots that contains only whitespace


  for (var name$1 in slots) {
    if (slots[name$1].every(isWhitespace)) {
      delete slots[name$1];
    }
  }

  return slots;
}

function isWhitespace(node) {
  return node.isComment && !node.asyncFactory || node.text === ' ';
}
/*  */


function isAsyncPlaceholder(node) {
  return node.isComment && node.asyncFactory;
}
/*  */


function normalizeScopedSlots(slots, normalSlots, prevSlots) {
  var res;
  var hasNormalSlots = Object.keys(normalSlots).length > 0;
  var isStable = slots ? !!slots.$stable : !hasNormalSlots;
  var key = slots && slots.$key;

  if (!slots) {
    res = {};
  } else if (slots._normalized) {
    // fast path 1: child component re-render only, parent did not change
    return slots._normalized;
  } else if (isStable && prevSlots && prevSlots !== emptyObject && key === prevSlots.$key && !hasNormalSlots && !prevSlots.$hasNormal) {
    // fast path 2: stable scoped slots w/ no normal slots to proxy,
    // only need to normalize once
    return prevSlots;
  } else {
    res = {};

    for (var key$1 in slots) {
      if (slots[key$1] && key$1[0] !== '$') {
        res[key$1] = normalizeScopedSlot(normalSlots, key$1, slots[key$1]);
      }
    }
  } // expose normal slots on scopedSlots


  for (var key$2 in normalSlots) {
    if (!(key$2 in res)) {
      res[key$2] = proxyNormalSlot(normalSlots, key$2);
    }
  } // avoriaz seems to mock a non-extensible $scopedSlots object
  // and when that is passed down this would cause an error


  if (slots && Object.isExtensible(slots)) {
    slots._normalized = res;
  }

  def(res, '$stable', isStable);
  def(res, '$key', key);
  def(res, '$hasNormal', hasNormalSlots);
  return res;
}

function normalizeScopedSlot(normalSlots, key, fn) {
  var normalized = function () {
    var res = arguments.length ? fn.apply(null, arguments) : fn({});
    res = res && typeof res === 'object' && !Array.isArray(res) ? [res] // single vnode
    : normalizeChildren(res);
    var vnode = res && res[0];
    return res && (!vnode || res.length === 1 && vnode.isComment && !isAsyncPlaceholder(vnode) // #9658, #10391
    ) ? undefined : res;
  }; // this is a slot using the new v-slot syntax without scope. although it is
  // compiled as a scoped slot, render fn users would expect it to be present
  // on this.$slots because the usage is semantically a normal slot.


  if (fn.proxy) {
    Object.defineProperty(normalSlots, key, {
      get: normalized,
      enumerable: true,
      configurable: true
    });
  }

  return normalized;
}

function proxyNormalSlot(slots, key) {
  return function () {
    return slots[key];
  };
}
/*  */

/**
 * Runtime helper for rendering v-for lists.
 */


function renderList(val, render) {
  var ret, i, l, keys, key;

  if (Array.isArray(val) || typeof val === 'string') {
    ret = new Array(val.length);

    for (i = 0, l = val.length; i < l; i++) {
      ret[i] = render(val[i], i);
    }
  } else if (typeof val === 'number') {
    ret = new Array(val);

    for (i = 0; i < val; i++) {
      ret[i] = render(i + 1, i);
    }
  } else if (isObject(val)) {
    if (hasSymbol && val[Symbol.iterator]) {
      ret = [];
      var iterator = val[Symbol.iterator]();
      var result = iterator.next();

      while (!result.done) {
        ret.push(render(result.value, ret.length));
        result = iterator.next();
      }
    } else {
      keys = Object.keys(val);
      ret = new Array(keys.length);

      for (i = 0, l = keys.length; i < l; i++) {
        key = keys[i];
        ret[i] = render(val[key], key, i);
      }
    }
  }

  if (!isDef(ret)) {
    ret = [];
  }

  ret._isVList = true;
  return ret;
}
/*  */

/**
 * Runtime helper for rendering <slot>
 */


function renderSlot(name, fallbackRender, props, bindObject) {
  var scopedSlotFn = this.$scopedSlots[name];
  var nodes;

  if (scopedSlotFn) {
    // scoped slot
    props = props || {};

    if (bindObject) {
      if ( true && !isObject(bindObject)) {
        warn('slot v-bind without argument expects an Object', this);
      }

      props = extend(extend({}, bindObject), props);
    }

    nodes = scopedSlotFn(props) || (typeof fallbackRender === 'function' ? fallbackRender() : fallbackRender);
  } else {
    nodes = this.$slots[name] || (typeof fallbackRender === 'function' ? fallbackRender() : fallbackRender);
  }

  var target = props && props.slot;

  if (target) {
    return this.$createElement('template', {
      slot: target
    }, nodes);
  } else {
    return nodes;
  }
}
/*  */

/**
 * Runtime helper for resolving filters
 */


function resolveFilter(id) {
  return resolveAsset(this.$options, 'filters', id, true) || identity;
}
/*  */


function isKeyNotMatch(expect, actual) {
  if (Array.isArray(expect)) {
    return expect.indexOf(actual) === -1;
  } else {
    return expect !== actual;
  }
}
/**
 * Runtime helper for checking keyCodes from config.
 * exposed as Vue.prototype._k
 * passing in eventKeyName as last argument separately for backwards compat
 */


function checkKeyCodes(eventKeyCode, key, builtInKeyCode, eventKeyName, builtInKeyName) {
  var mappedKeyCode = config.keyCodes[key] || builtInKeyCode;

  if (builtInKeyName && eventKeyName && !config.keyCodes[key]) {
    return isKeyNotMatch(builtInKeyName, eventKeyName);
  } else if (mappedKeyCode) {
    return isKeyNotMatch(mappedKeyCode, eventKeyCode);
  } else if (eventKeyName) {
    return hyphenate(eventKeyName) !== key;
  }

  return eventKeyCode === undefined;
}
/*  */

/**
 * Runtime helper for merging v-bind="object" into a VNode's data.
 */


function bindObjectProps(data, tag, value, asProp, isSync) {
  if (value) {
    if (!isObject(value)) {
       true && warn('v-bind without argument expects an Object or Array value', this);
    } else {
      if (Array.isArray(value)) {
        value = toObject(value);
      }

      var hash;

      var loop = function (key) {
        if (key === 'class' || key === 'style' || isReservedAttribute(key)) {
          hash = data;
        } else {
          var type = data.attrs && data.attrs.type;
          hash = asProp || config.mustUseProp(tag, type, key) ? data.domProps || (data.domProps = {}) : data.attrs || (data.attrs = {});
        }

        var camelizedKey = camelize(key);
        var hyphenatedKey = hyphenate(key);

        if (!(camelizedKey in hash) && !(hyphenatedKey in hash)) {
          hash[key] = value[key];

          if (isSync) {
            var on = data.on || (data.on = {});

            on["update:" + key] = function ($event) {
              value[key] = $event;
            };
          }
        }
      };

      for (var key in value) loop(key);
    }
  }

  return data;
}
/*  */

/**
 * Runtime helper for rendering static trees.
 */


function renderStatic(index, isInFor) {
  var cached = this._staticTrees || (this._staticTrees = []);
  var tree = cached[index]; // if has already-rendered static tree and not inside v-for,
  // we can reuse the same tree.

  if (tree && !isInFor) {
    return tree;
  } // otherwise, render a fresh tree.


  tree = cached[index] = this.$options.staticRenderFns[index].call(this._renderProxy, null, this // for render fns generated for functional component templates
  );
  markStatic(tree, "__static__" + index, false);
  return tree;
}
/**
 * Runtime helper for v-once.
 * Effectively it means marking the node as static with a unique key.
 */


function markOnce(tree, index, key) {
  markStatic(tree, "__once__" + index + (key ? "_" + key : ""), true);
  return tree;
}

function markStatic(tree, key, isOnce) {
  if (Array.isArray(tree)) {
    for (var i = 0; i < tree.length; i++) {
      if (tree[i] && typeof tree[i] !== 'string') {
        markStaticNode(tree[i], key + "_" + i, isOnce);
      }
    }
  } else {
    markStaticNode(tree, key, isOnce);
  }
}

function markStaticNode(node, key, isOnce) {
  node.isStatic = true;
  node.key = key;
  node.isOnce = isOnce;
}
/*  */


function bindObjectListeners(data, value) {
  if (value) {
    if (!isPlainObject(value)) {
       true && warn('v-on without argument expects an Object value', this);
    } else {
      var on = data.on = data.on ? extend({}, data.on) : {};

      for (var key in value) {
        var existing = on[key];
        var ours = value[key];
        on[key] = existing ? [].concat(existing, ours) : ours;
      }
    }
  }

  return data;
}
/*  */


function resolveScopedSlots(fns, // see flow/vnode
res, // the following are added in 2.6
hasDynamicKeys, contentHashKey) {
  res = res || {
    $stable: !hasDynamicKeys
  };

  for (var i = 0; i < fns.length; i++) {
    var slot = fns[i];

    if (Array.isArray(slot)) {
      resolveScopedSlots(slot, res, hasDynamicKeys);
    } else if (slot) {
      // marker for reverse proxying v-slot without scope on this.$slots
      if (slot.proxy) {
        slot.fn.proxy = true;
      }

      res[slot.key] = slot.fn;
    }
  }

  if (contentHashKey) {
    res.$key = contentHashKey;
  }

  return res;
}
/*  */


function bindDynamicKeys(baseObj, values) {
  for (var i = 0; i < values.length; i += 2) {
    var key = values[i];

    if (typeof key === 'string' && key) {
      baseObj[values[i]] = values[i + 1];
    } else if ( true && key !== '' && key !== null) {
      // null is a special value for explicitly removing a binding
      warn("Invalid value for dynamic directive argument (expected string or null): " + key, this);
    }
  }

  return baseObj;
} // helper to dynamically append modifier runtime markers to event names.
// ensure only append when value is already string, otherwise it will be cast
// to string and cause the type check to miss.


function prependModifier(value, symbol) {
  return typeof value === 'string' ? symbol + value : value;
}
/*  */


function installRenderHelpers(target) {
  target._o = markOnce;
  target._n = toNumber;
  target._s = toString;
  target._l = renderList;
  target._t = renderSlot;
  target._q = looseEqual;
  target._i = looseIndexOf;
  target._m = renderStatic;
  target._f = resolveFilter;
  target._k = checkKeyCodes;
  target._b = bindObjectProps;
  target._v = createTextVNode;
  target._e = createEmptyVNode;
  target._u = resolveScopedSlots;
  target._g = bindObjectListeners;
  target._d = bindDynamicKeys;
  target._p = prependModifier;
}
/*  */


function FunctionalRenderContext(data, props, children, parent, Ctor) {
  var this$1 = this;
  var options = Ctor.options; // ensure the createElement function in functional components
  // gets a unique context - this is necessary for correct named slot check

  var contextVm;

  if (hasOwn(parent, '_uid')) {
    contextVm = Object.create(parent); // $flow-disable-line

    contextVm._original = parent;
  } else {
    // the context vm passed in is a functional context as well.
    // in this case we want to make sure we are able to get a hold to the
    // real context instance.
    contextVm = parent; // $flow-disable-line

    parent = parent._original;
  }

  var isCompiled = isTrue(options._compiled);
  var needNormalization = !isCompiled;
  this.data = data;
  this.props = props;
  this.children = children;
  this.parent = parent;
  this.listeners = data.on || emptyObject;
  this.injections = resolveInject(options.inject, parent);

  this.slots = function () {
    if (!this$1.$slots) {
      normalizeScopedSlots(data.scopedSlots, this$1.$slots = resolveSlots(children, parent));
    }

    return this$1.$slots;
  };

  Object.defineProperty(this, 'scopedSlots', {
    enumerable: true,
    get: function get() {
      return normalizeScopedSlots(data.scopedSlots, this.slots());
    }
  }); // support for compiled functional template

  if (isCompiled) {
    // exposing $options for renderStatic()
    this.$options = options; // pre-resolve slots for renderSlot()

    this.$slots = this.slots();
    this.$scopedSlots = normalizeScopedSlots(data.scopedSlots, this.$slots);
  }

  if (options._scopeId) {
    this._c = function (a, b, c, d) {
      var vnode = createElement(contextVm, a, b, c, d, needNormalization);

      if (vnode && !Array.isArray(vnode)) {
        vnode.fnScopeId = options._scopeId;
        vnode.fnContext = parent;
      }

      return vnode;
    };
  } else {
    this._c = function (a, b, c, d) {
      return createElement(contextVm, a, b, c, d, needNormalization);
    };
  }
}

installRenderHelpers(FunctionalRenderContext.prototype);

function createFunctionalComponent(Ctor, propsData, data, contextVm, children) {
  var options = Ctor.options;
  var props = {};
  var propOptions = options.props;

  if (isDef(propOptions)) {
    for (var key in propOptions) {
      props[key] = validateProp(key, propOptions, propsData || emptyObject);
    }
  } else {
    if (isDef(data.attrs)) {
      mergeProps(props, data.attrs);
    }

    if (isDef(data.props)) {
      mergeProps(props, data.props);
    }
  }

  var renderContext = new FunctionalRenderContext(data, props, children, contextVm, Ctor);
  var vnode = options.render.call(null, renderContext._c, renderContext);

  if (vnode instanceof VNode) {
    return cloneAndMarkFunctionalResult(vnode, data, renderContext.parent, options, renderContext);
  } else if (Array.isArray(vnode)) {
    var vnodes = normalizeChildren(vnode) || [];
    var res = new Array(vnodes.length);

    for (var i = 0; i < vnodes.length; i++) {
      res[i] = cloneAndMarkFunctionalResult(vnodes[i], data, renderContext.parent, options, renderContext);
    }

    return res;
  }
}

function cloneAndMarkFunctionalResult(vnode, data, contextVm, options, renderContext) {
  // #7817 clone node before setting fnContext, otherwise if the node is reused
  // (e.g. it was from a cached normal slot) the fnContext causes named slots
  // that should not be matched to match.
  var clone = cloneVNode(vnode);
  clone.fnContext = contextVm;
  clone.fnOptions = options;

  if (true) {
    (clone.devtoolsMeta = clone.devtoolsMeta || {}).renderContext = renderContext;
  }

  if (data.slot) {
    (clone.data || (clone.data = {})).slot = data.slot;
  }

  return clone;
}

function mergeProps(to, from) {
  for (var key in from) {
    to[camelize(key)] = from[key];
  }
}
/*  */

/*  */

/*  */

/*  */
// inline hooks to be invoked on component VNodes during patch


var componentVNodeHooks = {
  init: function init(vnode, hydrating) {
    if (vnode.componentInstance && !vnode.componentInstance._isDestroyed && vnode.data.keepAlive) {
      // kept-alive components, treat as a patch
      var mountedNode = vnode; // work around flow

      componentVNodeHooks.prepatch(mountedNode, mountedNode);
    } else {
      var child = vnode.componentInstance = createComponentInstanceForVnode(vnode, activeInstance);
      child.$mount(hydrating ? vnode.elm : undefined, hydrating);
    }
  },
  prepatch: function prepatch(oldVnode, vnode) {
    var options = vnode.componentOptions;
    var child = vnode.componentInstance = oldVnode.componentInstance;
    updateChildComponent(child, options.propsData, // updated props
    options.listeners, // updated listeners
    vnode, // new parent vnode
    options.children // new children
    );
  },
  insert: function insert(vnode) {
    var context = vnode.context;
    var componentInstance = vnode.componentInstance;

    if (!componentInstance._isMounted) {
      componentInstance._isMounted = true;
      callHook(componentInstance, 'mounted');
    }

    if (vnode.data.keepAlive) {
      if (context._isMounted) {
        // vue-router#1212
        // During updates, a kept-alive component's child components may
        // change, so directly walking the tree here may call activated hooks
        // on incorrect children. Instead we push them into a queue which will
        // be processed after the whole patch process ended.
        queueActivatedComponent(componentInstance);
      } else {
        activateChildComponent(componentInstance, true
        /* direct */
        );
      }
    }
  },
  destroy: function destroy(vnode) {
    var componentInstance = vnode.componentInstance;

    if (!componentInstance._isDestroyed) {
      if (!vnode.data.keepAlive) {
        componentInstance.$destroy();
      } else {
        deactivateChildComponent(componentInstance, true
        /* direct */
        );
      }
    }
  }
};
var hooksToMerge = Object.keys(componentVNodeHooks);

function createComponent(Ctor, data, context, children, tag) {
  if (isUndef(Ctor)) {
    return;
  }

  var baseCtor = context.$options._base; // plain options object: turn it into a constructor

  if (isObject(Ctor)) {
    Ctor = baseCtor.extend(Ctor);
  } // if at this stage it's not a constructor or an async component factory,
  // reject.


  if (typeof Ctor !== 'function') {
    if (true) {
      warn("Invalid Component definition: " + String(Ctor), context);
    }

    return;
  } // async component


  var asyncFactory;

  if (isUndef(Ctor.cid)) {
    asyncFactory = Ctor;
    Ctor = resolveAsyncComponent(asyncFactory, baseCtor);

    if (Ctor === undefined) {
      // return a placeholder node for async component, which is rendered
      // as a comment node but preserves all the raw information for the node.
      // the information will be used for async server-rendering and hydration.
      return createAsyncPlaceholder(asyncFactory, data, context, children, tag);
    }
  }

  data = data || {}; // resolve constructor options in case global mixins are applied after
  // component constructor creation

  resolveConstructorOptions(Ctor); // transform component v-model data into props & events

  if (isDef(data.model)) {
    transformModel(Ctor.options, data);
  } // extract props


  var propsData = extractPropsFromVNodeData(data, Ctor, tag); // functional component

  if (isTrue(Ctor.options.functional)) {
    return createFunctionalComponent(Ctor, propsData, data, context, children);
  } // extract listeners, since these needs to be treated as
  // child component listeners instead of DOM listeners


  var listeners = data.on; // replace with listeners with .native modifier
  // so it gets processed during parent component patch.

  data.on = data.nativeOn;

  if (isTrue(Ctor.options.abstract)) {
    // abstract components do not keep anything
    // other than props & listeners & slot
    // work around flow
    var slot = data.slot;
    data = {};

    if (slot) {
      data.slot = slot;
    }
  } // install component management hooks onto the placeholder node


  installComponentHooks(data); // return a placeholder vnode

  var name = Ctor.options.name || tag;
  var vnode = new VNode("vue-component-" + Ctor.cid + (name ? "-" + name : ''), data, undefined, undefined, undefined, context, {
    Ctor: Ctor,
    propsData: propsData,
    listeners: listeners,
    tag: tag,
    children: children
  }, asyncFactory);
  return vnode;
}

function createComponentInstanceForVnode( // we know it's MountedComponentVNode but flow doesn't
vnode, // activeInstance in lifecycle state
parent) {
  var options = {
    _isComponent: true,
    _parentVnode: vnode,
    parent: parent
  }; // check inline-template render functions

  var inlineTemplate = vnode.data.inlineTemplate;

  if (isDef(inlineTemplate)) {
    options.render = inlineTemplate.render;
    options.staticRenderFns = inlineTemplate.staticRenderFns;
  }

  return new vnode.componentOptions.Ctor(options);
}

function installComponentHooks(data) {
  var hooks = data.hook || (data.hook = {});

  for (var i = 0; i < hooksToMerge.length; i++) {
    var key = hooksToMerge[i];
    var existing = hooks[key];
    var toMerge = componentVNodeHooks[key];

    if (existing !== toMerge && !(existing && existing._merged)) {
      hooks[key] = existing ? mergeHook$1(toMerge, existing) : toMerge;
    }
  }
}

function mergeHook$1(f1, f2) {
  var merged = function (a, b) {
    // flow complains about extra args which is why we use any
    f1(a, b);
    f2(a, b);
  };

  merged._merged = true;
  return merged;
} // transform component v-model info (value and callback) into
// prop and event handler respectively.


function transformModel(options, data) {
  var prop = options.model && options.model.prop || 'value';
  var event = options.model && options.model.event || 'input';
  (data.attrs || (data.attrs = {}))[prop] = data.model.value;
  var on = data.on || (data.on = {});
  var existing = on[event];
  var callback = data.model.callback;

  if (isDef(existing)) {
    if (Array.isArray(existing) ? existing.indexOf(callback) === -1 : existing !== callback) {
      on[event] = [callback].concat(existing);
    }
  } else {
    on[event] = callback;
  }
}
/*  */


var SIMPLE_NORMALIZE = 1;
var ALWAYS_NORMALIZE = 2; // wrapper function for providing a more flexible interface
// without getting yelled at by flow

function createElement(context, tag, data, children, normalizationType, alwaysNormalize) {
  if (Array.isArray(data) || isPrimitive(data)) {
    normalizationType = children;
    children = data;
    data = undefined;
  }

  if (isTrue(alwaysNormalize)) {
    normalizationType = ALWAYS_NORMALIZE;
  }

  return _createElement(context, tag, data, children, normalizationType);
}

function _createElement(context, tag, data, children, normalizationType) {
  if (isDef(data) && isDef(data.__ob__)) {
     true && warn("Avoid using observed data object as vnode data: " + JSON.stringify(data) + "\n" + 'Always create fresh vnode data objects in each render!', context);
    return createEmptyVNode();
  } // object syntax in v-bind


  if (isDef(data) && isDef(data.is)) {
    tag = data.is;
  }

  if (!tag) {
    // in case of component :is set to falsy value
    return createEmptyVNode();
  } // warn against non-primitive key


  if ( true && isDef(data) && isDef(data.key) && !isPrimitive(data.key)) {
    {
      warn('Avoid using non-primitive value as key, ' + 'use string/number value instead.', context);
    }
  } // support single function children as default scoped slot


  if (Array.isArray(children) && typeof children[0] === 'function') {
    data = data || {};
    data.scopedSlots = {
      default: children[0]
    };
    children.length = 0;
  }

  if (normalizationType === ALWAYS_NORMALIZE) {
    children = normalizeChildren(children);
  } else if (normalizationType === SIMPLE_NORMALIZE) {
    children = simpleNormalizeChildren(children);
  }

  var vnode, ns;

  if (typeof tag === 'string') {
    var Ctor;
    ns = context.$vnode && context.$vnode.ns || config.getTagNamespace(tag);

    if (config.isReservedTag(tag)) {
      // platform built-in elements
      if ( true && isDef(data) && isDef(data.nativeOn) && data.tag !== 'component') {
        warn("The .native modifier for v-on is only valid on components but it was used on <" + tag + ">.", context);
      }

      vnode = new VNode(config.parsePlatformTagName(tag), data, children, undefined, undefined, context);
    } else if ((!data || !data.pre) && isDef(Ctor = resolveAsset(context.$options, 'components', tag))) {
      // component
      vnode = createComponent(Ctor, data, context, children, tag);
    } else {
      // unknown or unlisted namespaced elements
      // check at runtime because it may get assigned a namespace when its
      // parent normalizes children
      vnode = new VNode(tag, data, children, undefined, undefined, context);
    }
  } else {
    // direct component options / constructor
    vnode = createComponent(tag, data, context, children);
  }

  if (Array.isArray(vnode)) {
    return vnode;
  } else if (isDef(vnode)) {
    if (isDef(ns)) {
      applyNS(vnode, ns);
    }

    if (isDef(data)) {
      registerDeepBindings(data);
    }

    return vnode;
  } else {
    return createEmptyVNode();
  }
}

function applyNS(vnode, ns, force) {
  vnode.ns = ns;

  if (vnode.tag === 'foreignObject') {
    // use default namespace inside foreignObject
    ns = undefined;
    force = true;
  }

  if (isDef(vnode.children)) {
    for (var i = 0, l = vnode.children.length; i < l; i++) {
      var child = vnode.children[i];

      if (isDef(child.tag) && (isUndef(child.ns) || isTrue(force) && child.tag !== 'svg')) {
        applyNS(child, ns, force);
      }
    }
  }
} // ref #5318
// necessary to ensure parent re-render when deep bindings like :style and
// :class are used on slot nodes


function registerDeepBindings(data) {
  if (isObject(data.style)) {
    traverse(data.style);
  }

  if (isObject(data.class)) {
    traverse(data.class);
  }
}
/*  */


function initRender(vm) {
  vm._vnode = null; // the root of the child tree

  vm._staticTrees = null; // v-once cached trees

  var options = vm.$options;
  var parentVnode = vm.$vnode = options._parentVnode; // the placeholder node in parent tree

  var renderContext = parentVnode && parentVnode.context;
  vm.$slots = resolveSlots(options._renderChildren, renderContext);
  vm.$scopedSlots = emptyObject; // bind the createElement fn to this instance
  // so that we get proper render context inside it.
  // args order: tag, data, children, normalizationType, alwaysNormalize
  // internal version is used by render functions compiled from templates

  vm._c = function (a, b, c, d) {
    return createElement(vm, a, b, c, d, false);
  }; // normalization is always applied for the public version, used in
  // user-written render functions.


  vm.$createElement = function (a, b, c, d) {
    return createElement(vm, a, b, c, d, true);
  }; // $attrs & $listeners are exposed for easier HOC creation.
  // they need to be reactive so that HOCs using them are always updated


  var parentData = parentVnode && parentVnode.data;
  /* istanbul ignore else */

  if (true) {
    defineReactive$$1(vm, '$attrs', parentData && parentData.attrs || emptyObject, function () {
      !isUpdatingChildComponent && warn("$attrs is readonly.", vm);
    }, true);
    defineReactive$$1(vm, '$listeners', options._parentListeners || emptyObject, function () {
      !isUpdatingChildComponent && warn("$listeners is readonly.", vm);
    }, true);
  } else {}
}

var currentRenderingInstance = null;

function renderMixin(Vue) {
  // install runtime convenience helpers
  installRenderHelpers(Vue.prototype);

  Vue.prototype.$nextTick = function (fn) {
    return nextTick(fn, this);
  };

  Vue.prototype._render = function () {
    var vm = this;
    var ref = vm.$options;
    var render = ref.render;
    var _parentVnode = ref._parentVnode;

    if (_parentVnode) {
      vm.$scopedSlots = normalizeScopedSlots(_parentVnode.data.scopedSlots, vm.$slots, vm.$scopedSlots);
    } // set parent vnode. this allows render functions to have access
    // to the data on the placeholder node.


    vm.$vnode = _parentVnode; // render self

    var vnode;

    try {
      // There's no need to maintain a stack because all render fns are called
      // separately from one another. Nested component's render fns are called
      // when parent component is patched.
      currentRenderingInstance = vm;
      vnode = render.call(vm._renderProxy, vm.$createElement);
    } catch (e) {
      handleError(e, vm, "render"); // return error render result,
      // or previous vnode to prevent render error causing blank component

      /* istanbul ignore else */

      if ( true && vm.$options.renderError) {
        try {
          vnode = vm.$options.renderError.call(vm._renderProxy, vm.$createElement, e);
        } catch (e) {
          handleError(e, vm, "renderError");
          vnode = vm._vnode;
        }
      } else {
        vnode = vm._vnode;
      }
    } finally {
      currentRenderingInstance = null;
    } // if the returned array contains only a single node, allow it


    if (Array.isArray(vnode) && vnode.length === 1) {
      vnode = vnode[0];
    } // return empty vnode in case the render function errored out


    if (!(vnode instanceof VNode)) {
      if ( true && Array.isArray(vnode)) {
        warn('Multiple root nodes returned from render function. Render function ' + 'should return a single root node.', vm);
      }

      vnode = createEmptyVNode();
    } // set parent


    vnode.parent = _parentVnode;
    return vnode;
  };
}
/*  */


function ensureCtor(comp, base) {
  if (comp.__esModule || hasSymbol && comp[Symbol.toStringTag] === 'Module') {
    comp = comp.default;
  }

  return isObject(comp) ? base.extend(comp) : comp;
}

function createAsyncPlaceholder(factory, data, context, children, tag) {
  var node = createEmptyVNode();
  node.asyncFactory = factory;
  node.asyncMeta = {
    data: data,
    context: context,
    children: children,
    tag: tag
  };
  return node;
}

function resolveAsyncComponent(factory, baseCtor) {
  if (isTrue(factory.error) && isDef(factory.errorComp)) {
    return factory.errorComp;
  }

  if (isDef(factory.resolved)) {
    return factory.resolved;
  }

  var owner = currentRenderingInstance;

  if (owner && isDef(factory.owners) && factory.owners.indexOf(owner) === -1) {
    // already pending
    factory.owners.push(owner);
  }

  if (isTrue(factory.loading) && isDef(factory.loadingComp)) {
    return factory.loadingComp;
  }

  if (owner && !isDef(factory.owners)) {
    var owners = factory.owners = [owner];
    var sync = true;
    var timerLoading = null;
    var timerTimeout = null;
    owner.$on('hook:destroyed', function () {
      return remove(owners, owner);
    });

    var forceRender = function (renderCompleted) {
      for (var i = 0, l = owners.length; i < l; i++) {
        owners[i].$forceUpdate();
      }

      if (renderCompleted) {
        owners.length = 0;

        if (timerLoading !== null) {
          clearTimeout(timerLoading);
          timerLoading = null;
        }

        if (timerTimeout !== null) {
          clearTimeout(timerTimeout);
          timerTimeout = null;
        }
      }
    };

    var resolve = once(function (res) {
      // cache resolved
      factory.resolved = ensureCtor(res, baseCtor); // invoke callbacks only if this is not a synchronous resolve
      // (async resolves are shimmed as synchronous during SSR)

      if (!sync) {
        forceRender(true);
      } else {
        owners.length = 0;
      }
    });
    var reject = once(function (reason) {
       true && warn("Failed to resolve async component: " + String(factory) + (reason ? "\nReason: " + reason : ''));

      if (isDef(factory.errorComp)) {
        factory.error = true;
        forceRender(true);
      }
    });
    var res = factory(resolve, reject);

    if (isObject(res)) {
      if (isPromise(res)) {
        // () => Promise
        if (isUndef(factory.resolved)) {
          res.then(resolve, reject);
        }
      } else if (isPromise(res.component)) {
        res.component.then(resolve, reject);

        if (isDef(res.error)) {
          factory.errorComp = ensureCtor(res.error, baseCtor);
        }

        if (isDef(res.loading)) {
          factory.loadingComp = ensureCtor(res.loading, baseCtor);

          if (res.delay === 0) {
            factory.loading = true;
          } else {
            timerLoading = setTimeout(function () {
              timerLoading = null;

              if (isUndef(factory.resolved) && isUndef(factory.error)) {
                factory.loading = true;
                forceRender(false);
              }
            }, res.delay || 200);
          }
        }

        if (isDef(res.timeout)) {
          timerTimeout = setTimeout(function () {
            timerTimeout = null;

            if (isUndef(factory.resolved)) {
              reject( true ? "timeout (" + res.timeout + "ms)" : 0);
            }
          }, res.timeout);
        }
      }
    }

    sync = false; // return in case resolved synchronously

    return factory.loading ? factory.loadingComp : factory.resolved;
  }
}
/*  */


function getFirstComponentChild(children) {
  if (Array.isArray(children)) {
    for (var i = 0; i < children.length; i++) {
      var c = children[i];

      if (isDef(c) && (isDef(c.componentOptions) || isAsyncPlaceholder(c))) {
        return c;
      }
    }
  }
}
/*  */

/*  */


function initEvents(vm) {
  vm._events = Object.create(null);
  vm._hasHookEvent = false; // init parent attached events

  var listeners = vm.$options._parentListeners;

  if (listeners) {
    updateComponentListeners(vm, listeners);
  }
}

var target;

function add(event, fn) {
  target.$on(event, fn);
}

function remove$1(event, fn) {
  target.$off(event, fn);
}

function createOnceHandler(event, fn) {
  var _target = target;
  return function onceHandler() {
    var res = fn.apply(null, arguments);

    if (res !== null) {
      _target.$off(event, onceHandler);
    }
  };
}

function updateComponentListeners(vm, listeners, oldListeners) {
  target = vm;
  updateListeners(listeners, oldListeners || {}, add, remove$1, createOnceHandler, vm);
  target = undefined;
}

function eventsMixin(Vue) {
  var hookRE = /^hook:/;

  Vue.prototype.$on = function (event, fn) {
    var vm = this;

    if (Array.isArray(event)) {
      for (var i = 0, l = event.length; i < l; i++) {
        vm.$on(event[i], fn);
      }
    } else {
      (vm._events[event] || (vm._events[event] = [])).push(fn); // optimize hook:event cost by using a boolean flag marked at registration
      // instead of a hash lookup

      if (hookRE.test(event)) {
        vm._hasHookEvent = true;
      }
    }

    return vm;
  };

  Vue.prototype.$once = function (event, fn) {
    var vm = this;

    function on() {
      vm.$off(event, on);
      fn.apply(vm, arguments);
    }

    on.fn = fn;
    vm.$on(event, on);
    return vm;
  };

  Vue.prototype.$off = function (event, fn) {
    var vm = this; // all

    if (!arguments.length) {
      vm._events = Object.create(null);
      return vm;
    } // array of events


    if (Array.isArray(event)) {
      for (var i$1 = 0, l = event.length; i$1 < l; i$1++) {
        vm.$off(event[i$1], fn);
      }

      return vm;
    } // specific event


    var cbs = vm._events[event];

    if (!cbs) {
      return vm;
    }

    if (!fn) {
      vm._events[event] = null;
      return vm;
    } // specific handler


    var cb;
    var i = cbs.length;

    while (i--) {
      cb = cbs[i];

      if (cb === fn || cb.fn === fn) {
        cbs.splice(i, 1);
        break;
      }
    }

    return vm;
  };

  Vue.prototype.$emit = function (event) {
    var vm = this;

    if (true) {
      var lowerCaseEvent = event.toLowerCase();

      if (lowerCaseEvent !== event && vm._events[lowerCaseEvent]) {
        tip("Event \"" + lowerCaseEvent + "\" is emitted in component " + formatComponentName(vm) + " but the handler is registered for \"" + event + "\". " + "Note that HTML attributes are case-insensitive and you cannot use " + "v-on to listen to camelCase events when using in-DOM templates. " + "You should probably use \"" + hyphenate(event) + "\" instead of \"" + event + "\".");
      }
    }

    var cbs = vm._events[event];

    if (cbs) {
      cbs = cbs.length > 1 ? toArray(cbs) : cbs;
      var args = toArray(arguments, 1);
      var info = "event handler for \"" + event + "\"";

      for (var i = 0, l = cbs.length; i < l; i++) {
        invokeWithErrorHandling(cbs[i], vm, args, vm, info);
      }
    }

    return vm;
  };
}
/*  */


var activeInstance = null;
var isUpdatingChildComponent = false;

function setActiveInstance(vm) {
  var prevActiveInstance = activeInstance;
  activeInstance = vm;
  return function () {
    activeInstance = prevActiveInstance;
  };
}

function initLifecycle(vm) {
  var options = vm.$options; // locate first non-abstract parent

  var parent = options.parent;

  if (parent && !options.abstract) {
    while (parent.$options.abstract && parent.$parent) {
      parent = parent.$parent;
    }

    parent.$children.push(vm);
  }

  vm.$parent = parent;
  vm.$root = parent ? parent.$root : vm;
  vm.$children = [];
  vm.$refs = {};
  vm._watcher = null;
  vm._inactive = null;
  vm._directInactive = false;
  vm._isMounted = false;
  vm._isDestroyed = false;
  vm._isBeingDestroyed = false;
}

function lifecycleMixin(Vue) {
  Vue.prototype._update = function (vnode, hydrating) {
    var vm = this;
    var prevEl = vm.$el;
    var prevVnode = vm._vnode;
    var restoreActiveInstance = setActiveInstance(vm);
    vm._vnode = vnode; // Vue.prototype.__patch__ is injected in entry points
    // based on the rendering backend used.

    if (!prevVnode) {
      // initial render
      vm.$el = vm.__patch__(vm.$el, vnode, hydrating, false
      /* removeOnly */
      );
    } else {
      // updates
      vm.$el = vm.__patch__(prevVnode, vnode);
    }

    restoreActiveInstance(); // update __vue__ reference

    if (prevEl) {
      prevEl.__vue__ = null;
    }

    if (vm.$el) {
      vm.$el.__vue__ = vm;
    } // if parent is an HOC, update its $el as well


    if (vm.$vnode && vm.$parent && vm.$vnode === vm.$parent._vnode) {
      vm.$parent.$el = vm.$el;
    } // updated hook is called by the scheduler to ensure that children are
    // updated in a parent's updated hook.

  };

  Vue.prototype.$forceUpdate = function () {
    var vm = this;

    if (vm._watcher) {
      vm._watcher.update();
    }
  };

  Vue.prototype.$destroy = function () {
    var vm = this;

    if (vm._isBeingDestroyed) {
      return;
    }

    callHook(vm, 'beforeDestroy');
    vm._isBeingDestroyed = true; // remove self from parent

    var parent = vm.$parent;

    if (parent && !parent._isBeingDestroyed && !vm.$options.abstract) {
      remove(parent.$children, vm);
    } // teardown watchers


    if (vm._watcher) {
      vm._watcher.teardown();
    }

    var i = vm._watchers.length;

    while (i--) {
      vm._watchers[i].teardown();
    } // remove reference from data ob
    // frozen object may not have observer.


    if (vm._data.__ob__) {
      vm._data.__ob__.vmCount--;
    } // call the last hook...


    vm._isDestroyed = true; // invoke destroy hooks on current rendered tree

    vm.__patch__(vm._vnode, null); // fire destroyed hook


    callHook(vm, 'destroyed'); // turn off all instance listeners.

    vm.$off(); // remove __vue__ reference

    if (vm.$el) {
      vm.$el.__vue__ = null;
    } // release circular reference (#6759)


    if (vm.$vnode) {
      vm.$vnode.parent = null;
    }
  };
}

function mountComponent(vm, el, hydrating) {
  vm.$el = el;

  if (!vm.$options.render) {
    vm.$options.render = createEmptyVNode;

    if (true) {
      /* istanbul ignore if */
      if (vm.$options.template && vm.$options.template.charAt(0) !== '#' || vm.$options.el || el) {
        warn('You are using the runtime-only build of Vue where the template ' + 'compiler is not available. Either pre-compile the templates into ' + 'render functions, or use the compiler-included build.', vm);
      } else {
        warn('Failed to mount component: template or render function not defined.', vm);
      }
    }
  }

  callHook(vm, 'beforeMount');
  var updateComponent;
  /* istanbul ignore if */

  if ( true && config.performance && mark) {
    updateComponent = function () {
      var name = vm._name;
      var id = vm._uid;
      var startTag = "vue-perf-start:" + id;
      var endTag = "vue-perf-end:" + id;
      mark(startTag);

      var vnode = vm._render();

      mark(endTag);
      measure("vue " + name + " render", startTag, endTag);
      mark(startTag);

      vm._update(vnode, hydrating);

      mark(endTag);
      measure("vue " + name + " patch", startTag, endTag);
    };
  } else {
    updateComponent = function () {
      vm._update(vm._render(), hydrating);
    };
  } // we set this to vm._watcher inside the watcher's constructor
  // since the watcher's initial patch may call $forceUpdate (e.g. inside child
  // component's mounted hook), which relies on vm._watcher being already defined


  new Watcher(vm, updateComponent, noop, {
    before: function before() {
      if (vm._isMounted && !vm._isDestroyed) {
        callHook(vm, 'beforeUpdate');
      }
    }
  }, true
  /* isRenderWatcher */
  );
  hydrating = false; // manually mounted instance, call mounted on self
  // mounted is called for render-created child components in its inserted hook

  if (vm.$vnode == null) {
    vm._isMounted = true;
    callHook(vm, 'mounted');
  }

  return vm;
}

function updateChildComponent(vm, propsData, listeners, parentVnode, renderChildren) {
  if (true) {
    isUpdatingChildComponent = true;
  } // determine whether component has slot children
  // we need to do this before overwriting $options._renderChildren.
  // check if there are dynamic scopedSlots (hand-written or compiled but with
  // dynamic slot names). Static scoped slots compiled from template has the
  // "$stable" marker.


  var newScopedSlots = parentVnode.data.scopedSlots;
  var oldScopedSlots = vm.$scopedSlots;
  var hasDynamicScopedSlot = !!(newScopedSlots && !newScopedSlots.$stable || oldScopedSlots !== emptyObject && !oldScopedSlots.$stable || newScopedSlots && vm.$scopedSlots.$key !== newScopedSlots.$key || !newScopedSlots && vm.$scopedSlots.$key); // Any static slot children from the parent may have changed during parent's
  // update. Dynamic scoped slots may also have changed. In such cases, a forced
  // update is necessary to ensure correctness.

  var needsForceUpdate = !!(renderChildren || // has new static slots
  vm.$options._renderChildren || // has old static slots
  hasDynamicScopedSlot);
  vm.$options._parentVnode = parentVnode;
  vm.$vnode = parentVnode; // update vm's placeholder node without re-render

  if (vm._vnode) {
    // update child tree's parent
    vm._vnode.parent = parentVnode;
  }

  vm.$options._renderChildren = renderChildren; // update $attrs and $listeners hash
  // these are also reactive so they may trigger child update if the child
  // used them during render

  vm.$attrs = parentVnode.data.attrs || emptyObject;
  vm.$listeners = listeners || emptyObject; // update props

  if (propsData && vm.$options.props) {
    toggleObserving(false);
    var props = vm._props;
    var propKeys = vm.$options._propKeys || [];

    for (var i = 0; i < propKeys.length; i++) {
      var key = propKeys[i];
      var propOptions = vm.$options.props; // wtf flow?

      props[key] = validateProp(key, propOptions, propsData, vm);
    }

    toggleObserving(true); // keep a copy of raw propsData

    vm.$options.propsData = propsData;
  } // update listeners


  listeners = listeners || emptyObject;
  var oldListeners = vm.$options._parentListeners;
  vm.$options._parentListeners = listeners;
  updateComponentListeners(vm, listeners, oldListeners); // resolve slots + force update if has children

  if (needsForceUpdate) {
    vm.$slots = resolveSlots(renderChildren, parentVnode.context);
    vm.$forceUpdate();
  }

  if (true) {
    isUpdatingChildComponent = false;
  }
}

function isInInactiveTree(vm) {
  while (vm && (vm = vm.$parent)) {
    if (vm._inactive) {
      return true;
    }
  }

  return false;
}

function activateChildComponent(vm, direct) {
  if (direct) {
    vm._directInactive = false;

    if (isInInactiveTree(vm)) {
      return;
    }
  } else if (vm._directInactive) {
    return;
  }

  if (vm._inactive || vm._inactive === null) {
    vm._inactive = false;

    for (var i = 0; i < vm.$children.length; i++) {
      activateChildComponent(vm.$children[i]);
    }

    callHook(vm, 'activated');
  }
}

function deactivateChildComponent(vm, direct) {
  if (direct) {
    vm._directInactive = true;

    if (isInInactiveTree(vm)) {
      return;
    }
  }

  if (!vm._inactive) {
    vm._inactive = true;

    for (var i = 0; i < vm.$children.length; i++) {
      deactivateChildComponent(vm.$children[i]);
    }

    callHook(vm, 'deactivated');
  }
}

function callHook(vm, hook) {
  // #7573 disable dep collection when invoking lifecycle hooks
  pushTarget();
  var handlers = vm.$options[hook];
  var info = hook + " hook";

  if (handlers) {
    for (var i = 0, j = handlers.length; i < j; i++) {
      invokeWithErrorHandling(handlers[i], vm, null, vm, info);
    }
  }

  if (vm._hasHookEvent) {
    vm.$emit('hook:' + hook);
  }

  popTarget();
}
/*  */


var MAX_UPDATE_COUNT = 100;
var queue = [];
var activatedChildren = [];
var has = {};
var circular = {};
var waiting = false;
var flushing = false;
var index = 0;
/**
 * Reset the scheduler's state.
 */

function resetSchedulerState() {
  index = queue.length = activatedChildren.length = 0;
  has = {};

  if (true) {
    circular = {};
  }

  waiting = flushing = false;
} // Async edge case #6566 requires saving the timestamp when event listeners are
// attached. However, calling performance.now() has a perf overhead especially
// if the page has thousands of event listeners. Instead, we take a timestamp
// every time the scheduler flushes and use that for all event listeners
// attached during that flush.


var currentFlushTimestamp = 0; // Async edge case fix requires storing an event listener's attach timestamp.

var getNow = Date.now; // Determine what event timestamp the browser is using. Annoyingly, the
// timestamp can either be hi-res (relative to page load) or low-res
// (relative to UNIX epoch), so in order to compare time we have to use the
// same timestamp type when saving the flush timestamp.
// All IE versions use low-res event timestamps, and have problematic clock
// implementations (#9632)

if (inBrowser && !isIE) {
  var performance = window.performance;

  if (performance && typeof performance.now === 'function' && getNow() > document.createEvent('Event').timeStamp) {
    // if the event timestamp, although evaluated AFTER the Date.now(), is
    // smaller than it, it means the event is using a hi-res timestamp,
    // and we need to use the hi-res version for event listener timestamps as
    // well.
    getNow = function () {
      return performance.now();
    };
  }
}
/**
 * Flush both queues and run the watchers.
 */


function flushSchedulerQueue() {
  currentFlushTimestamp = getNow();
  flushing = true;
  var watcher, id; // Sort queue before flush.
  // This ensures that:
  // 1. Components are updated from parent to child. (because parent is always
  //    created before the child)
  // 2. A component's user watchers are run before its render watcher (because
  //    user watchers are created before the render watcher)
  // 3. If a component is destroyed during a parent component's watcher run,
  //    its watchers can be skipped.

  queue.sort(function (a, b) {
    return a.id - b.id;
  }); // do not cache length because more watchers might be pushed
  // as we run existing watchers

  for (index = 0; index < queue.length; index++) {
    watcher = queue[index];

    if (watcher.before) {
      watcher.before();
    }

    id = watcher.id;
    has[id] = null;
    watcher.run(); // in dev build, check and stop circular updates.

    if ( true && has[id] != null) {
      circular[id] = (circular[id] || 0) + 1;

      if (circular[id] > MAX_UPDATE_COUNT) {
        warn('You may have an infinite update loop ' + (watcher.user ? "in watcher with expression \"" + watcher.expression + "\"" : "in a component render function."), watcher.vm);
        break;
      }
    }
  } // keep copies of post queues before resetting state


  var activatedQueue = activatedChildren.slice();
  var updatedQueue = queue.slice();
  resetSchedulerState(); // call component updated and activated hooks

  callActivatedHooks(activatedQueue);
  callUpdatedHooks(updatedQueue); // devtool hook

  /* istanbul ignore if */

  if (devtools && config.devtools) {
    devtools.emit('flush');
  }
}

function callUpdatedHooks(queue) {
  var i = queue.length;

  while (i--) {
    var watcher = queue[i];
    var vm = watcher.vm;

    if (vm._watcher === watcher && vm._isMounted && !vm._isDestroyed) {
      callHook(vm, 'updated');
    }
  }
}
/**
 * Queue a kept-alive component that was activated during patch.
 * The queue will be processed after the entire tree has been patched.
 */


function queueActivatedComponent(vm) {
  // setting _inactive to false here so that a render function can
  // rely on checking whether it's in an inactive tree (e.g. router-view)
  vm._inactive = false;
  activatedChildren.push(vm);
}

function callActivatedHooks(queue) {
  for (var i = 0; i < queue.length; i++) {
    queue[i]._inactive = true;
    activateChildComponent(queue[i], true
    /* true */
    );
  }
}
/**
 * Push a watcher into the watcher queue.
 * Jobs with duplicate IDs will be skipped unless it's
 * pushed when the queue is being flushed.
 */


function queueWatcher(watcher) {
  var id = watcher.id;

  if (has[id] == null) {
    has[id] = true;

    if (!flushing) {
      queue.push(watcher);
    } else {
      // if already flushing, splice the watcher based on its id
      // if already past its id, it will be run next immediately.
      var i = queue.length - 1;

      while (i > index && queue[i].id > watcher.id) {
        i--;
      }

      queue.splice(i + 1, 0, watcher);
    } // queue the flush


    if (!waiting) {
      waiting = true;

      if ( true && !config.async) {
        flushSchedulerQueue();
        return;
      }

      nextTick(flushSchedulerQueue);
    }
  }
}
/*  */


var uid$2 = 0;
/**
 * A watcher parses an expression, collects dependencies,
 * and fires callback when the expression value changes.
 * This is used for both the $watch() api and directives.
 */

var Watcher = function Watcher(vm, expOrFn, cb, options, isRenderWatcher) {
  this.vm = vm;

  if (isRenderWatcher) {
    vm._watcher = this;
  }

  vm._watchers.push(this); // options


  if (options) {
    this.deep = !!options.deep;
    this.user = !!options.user;
    this.lazy = !!options.lazy;
    this.sync = !!options.sync;
    this.before = options.before;
  } else {
    this.deep = this.user = this.lazy = this.sync = false;
  }

  this.cb = cb;
  this.id = ++uid$2; // uid for batching

  this.active = true;
  this.dirty = this.lazy; // for lazy watchers

  this.deps = [];
  this.newDeps = [];
  this.depIds = new _Set();
  this.newDepIds = new _Set();
  this.expression =  true ? expOrFn.toString() : 0; // parse expression for getter

  if (typeof expOrFn === 'function') {
    this.getter = expOrFn;
  } else {
    this.getter = parsePath(expOrFn);

    if (!this.getter) {
      this.getter = noop;
       true && warn("Failed watching path: \"" + expOrFn + "\" " + 'Watcher only accepts simple dot-delimited paths. ' + 'For full control, use a function instead.', vm);
    }
  }

  this.value = this.lazy ? undefined : this.get();
};
/**
 * Evaluate the getter, and re-collect dependencies.
 */


Watcher.prototype.get = function get() {
  pushTarget(this);
  var value;
  var vm = this.vm;

  try {
    value = this.getter.call(vm, vm);
  } catch (e) {
    if (this.user) {
      handleError(e, vm, "getter for watcher \"" + this.expression + "\"");
    } else {
      throw e;
    }
  } finally {
    // "touch" every property so they are all tracked as
    // dependencies for deep watching
    if (this.deep) {
      traverse(value);
    }

    popTarget();
    this.cleanupDeps();
  }

  return value;
};
/**
 * Add a dependency to this directive.
 */


Watcher.prototype.addDep = function addDep(dep) {
  var id = dep.id;

  if (!this.newDepIds.has(id)) {
    this.newDepIds.add(id);
    this.newDeps.push(dep);

    if (!this.depIds.has(id)) {
      dep.addSub(this);
    }
  }
};
/**
 * Clean up for dependency collection.
 */


Watcher.prototype.cleanupDeps = function cleanupDeps() {
  var i = this.deps.length;

  while (i--) {
    var dep = this.deps[i];

    if (!this.newDepIds.has(dep.id)) {
      dep.removeSub(this);
    }
  }

  var tmp = this.depIds;
  this.depIds = this.newDepIds;
  this.newDepIds = tmp;
  this.newDepIds.clear();
  tmp = this.deps;
  this.deps = this.newDeps;
  this.newDeps = tmp;
  this.newDeps.length = 0;
};
/**
 * Subscriber interface.
 * Will be called when a dependency changes.
 */


Watcher.prototype.update = function update() {
  /* istanbul ignore else */
  if (this.lazy) {
    this.dirty = true;
  } else if (this.sync) {
    this.run();
  } else {
    queueWatcher(this);
  }
};
/**
 * Scheduler job interface.
 * Will be called by the scheduler.
 */


Watcher.prototype.run = function run() {
  if (this.active) {
    var value = this.get();

    if (value !== this.value || // Deep watchers and watchers on Object/Arrays should fire even
    // when the value is the same, because the value may
    // have mutated.
    isObject(value) || this.deep) {
      // set new value
      var oldValue = this.value;
      this.value = value;

      if (this.user) {
        var info = "callback for watcher \"" + this.expression + "\"";
        invokeWithErrorHandling(this.cb, this.vm, [value, oldValue], this.vm, info);
      } else {
        this.cb.call(this.vm, value, oldValue);
      }
    }
  }
};
/**
 * Evaluate the value of the watcher.
 * This only gets called for lazy watchers.
 */


Watcher.prototype.evaluate = function evaluate() {
  this.value = this.get();
  this.dirty = false;
};
/**
 * Depend on all deps collected by this watcher.
 */


Watcher.prototype.depend = function depend() {
  var i = this.deps.length;

  while (i--) {
    this.deps[i].depend();
  }
};
/**
 * Remove self from all dependencies' subscriber list.
 */


Watcher.prototype.teardown = function teardown() {
  if (this.active) {
    // remove self from vm's watcher list
    // this is a somewhat expensive operation so we skip it
    // if the vm is being destroyed.
    if (!this.vm._isBeingDestroyed) {
      remove(this.vm._watchers, this);
    }

    var i = this.deps.length;

    while (i--) {
      this.deps[i].removeSub(this);
    }

    this.active = false;
  }
};
/*  */


var sharedPropertyDefinition = {
  enumerable: true,
  configurable: true,
  get: noop,
  set: noop
};

function proxy(target, sourceKey, key) {
  sharedPropertyDefinition.get = function proxyGetter() {
    return this[sourceKey][key];
  };

  sharedPropertyDefinition.set = function proxySetter(val) {
    this[sourceKey][key] = val;
  };

  Object.defineProperty(target, key, sharedPropertyDefinition);
}

function initState(vm) {
  vm._watchers = [];
  var opts = vm.$options;

  if (opts.props) {
    initProps(vm, opts.props);
  }

  if (opts.methods) {
    initMethods(vm, opts.methods);
  }

  if (opts.data) {
    initData(vm);
  } else {
    observe(vm._data = {}, true
    /* asRootData */
    );
  }

  if (opts.computed) {
    initComputed(vm, opts.computed);
  }

  if (opts.watch && opts.watch !== nativeWatch) {
    initWatch(vm, opts.watch);
  }
}

function initProps(vm, propsOptions) {
  var propsData = vm.$options.propsData || {};
  var props = vm._props = {}; // cache prop keys so that future props updates can iterate using Array
  // instead of dynamic object key enumeration.

  var keys = vm.$options._propKeys = [];
  var isRoot = !vm.$parent; // root instance props should be converted

  if (!isRoot) {
    toggleObserving(false);
  }

  var loop = function (key) {
    keys.push(key);
    var value = validateProp(key, propsOptions, propsData, vm);
    /* istanbul ignore else */

    if (true) {
      var hyphenatedKey = hyphenate(key);

      if (isReservedAttribute(hyphenatedKey) || config.isReservedAttr(hyphenatedKey)) {
        warn("\"" + hyphenatedKey + "\" is a reserved attribute and cannot be used as component prop.", vm);
      }

      defineReactive$$1(props, key, value, function () {
        if (!isRoot && !isUpdatingChildComponent) {
          warn("Avoid mutating a prop directly since the value will be " + "overwritten whenever the parent component re-renders. " + "Instead, use a data or computed property based on the prop's " + "value. Prop being mutated: \"" + key + "\"", vm);
        }
      });
    } else {} // static props are already proxied on the component's prototype
    // during Vue.extend(). We only need to proxy props defined at
    // instantiation here.


    if (!(key in vm)) {
      proxy(vm, "_props", key);
    }
  };

  for (var key in propsOptions) loop(key);

  toggleObserving(true);
}

function initData(vm) {
  var data = vm.$options.data;
  data = vm._data = typeof data === 'function' ? getData(data, vm) : data || {};

  if (!isPlainObject(data)) {
    data = {};
     true && warn('data functions should return an object:\n' + 'https://vuejs.org/v2/guide/components.html#data-Must-Be-a-Function', vm);
  } // proxy data on instance


  var keys = Object.keys(data);
  var props = vm.$options.props;
  var methods = vm.$options.methods;
  var i = keys.length;

  while (i--) {
    var key = keys[i];

    if (true) {
      if (methods && hasOwn(methods, key)) {
        warn("Method \"" + key + "\" has already been defined as a data property.", vm);
      }
    }

    if (props && hasOwn(props, key)) {
       true && warn("The data property \"" + key + "\" is already declared as a prop. " + "Use prop default value instead.", vm);
    } else if (!isReserved(key)) {
      proxy(vm, "_data", key);
    }
  } // observe data


  observe(data, true
  /* asRootData */
  );
}

function getData(data, vm) {
  // #7573 disable dep collection when invoking data getters
  pushTarget();

  try {
    return data.call(vm, vm);
  } catch (e) {
    handleError(e, vm, "data()");
    return {};
  } finally {
    popTarget();
  }
}

var computedWatcherOptions = {
  lazy: true
};

function initComputed(vm, computed) {
  // $flow-disable-line
  var watchers = vm._computedWatchers = Object.create(null); // computed properties are just getters during SSR

  var isSSR = isServerRendering();

  for (var key in computed) {
    var userDef = computed[key];
    var getter = typeof userDef === 'function' ? userDef : userDef.get;

    if ( true && getter == null) {
      warn("Getter is missing for computed property \"" + key + "\".", vm);
    }

    if (!isSSR) {
      // create internal watcher for the computed property.
      watchers[key] = new Watcher(vm, getter || noop, noop, computedWatcherOptions);
    } // component-defined computed properties are already defined on the
    // component prototype. We only need to define computed properties defined
    // at instantiation here.


    if (!(key in vm)) {
      defineComputed(vm, key, userDef);
    } else if (true) {
      if (key in vm.$data) {
        warn("The computed property \"" + key + "\" is already defined in data.", vm);
      } else if (vm.$options.props && key in vm.$options.props) {
        warn("The computed property \"" + key + "\" is already defined as a prop.", vm);
      } else if (vm.$options.methods && key in vm.$options.methods) {
        warn("The computed property \"" + key + "\" is already defined as a method.", vm);
      }
    }
  }
}

function defineComputed(target, key, userDef) {
  var shouldCache = !isServerRendering();

  if (typeof userDef === 'function') {
    sharedPropertyDefinition.get = shouldCache ? createComputedGetter(key) : createGetterInvoker(userDef);
    sharedPropertyDefinition.set = noop;
  } else {
    sharedPropertyDefinition.get = userDef.get ? shouldCache && userDef.cache !== false ? createComputedGetter(key) : createGetterInvoker(userDef.get) : noop;
    sharedPropertyDefinition.set = userDef.set || noop;
  }

  if ( true && sharedPropertyDefinition.set === noop) {
    sharedPropertyDefinition.set = function () {
      warn("Computed property \"" + key + "\" was assigned to but it has no setter.", this);
    };
  }

  Object.defineProperty(target, key, sharedPropertyDefinition);
}

function createComputedGetter(key) {
  return function computedGetter() {
    var watcher = this._computedWatchers && this._computedWatchers[key];

    if (watcher) {
      if (watcher.dirty) {
        watcher.evaluate();
      }

      if (Dep.target) {
        watcher.depend();
      }

      return watcher.value;
    }
  };
}

function createGetterInvoker(fn) {
  return function computedGetter() {
    return fn.call(this, this);
  };
}

function initMethods(vm, methods) {
  var props = vm.$options.props;

  for (var key in methods) {
    if (true) {
      if (typeof methods[key] !== 'function') {
        warn("Method \"" + key + "\" has type \"" + typeof methods[key] + "\" in the component definition. " + "Did you reference the function correctly?", vm);
      }

      if (props && hasOwn(props, key)) {
        warn("Method \"" + key + "\" has already been defined as a prop.", vm);
      }

      if (key in vm && isReserved(key)) {
        warn("Method \"" + key + "\" conflicts with an existing Vue instance method. " + "Avoid defining component methods that start with _ or $.");
      }
    }

    vm[key] = typeof methods[key] !== 'function' ? noop : bind(methods[key], vm);
  }
}

function initWatch(vm, watch) {
  for (var key in watch) {
    var handler = watch[key];

    if (Array.isArray(handler)) {
      for (var i = 0; i < handler.length; i++) {
        createWatcher(vm, key, handler[i]);
      }
    } else {
      createWatcher(vm, key, handler);
    }
  }
}

function createWatcher(vm, expOrFn, handler, options) {
  if (isPlainObject(handler)) {
    options = handler;
    handler = handler.handler;
  }

  if (typeof handler === 'string') {
    handler = vm[handler];
  }

  return vm.$watch(expOrFn, handler, options);
}

function stateMixin(Vue) {
  // flow somehow has problems with directly declared definition object
  // when using Object.defineProperty, so we have to procedurally build up
  // the object here.
  var dataDef = {};

  dataDef.get = function () {
    return this._data;
  };

  var propsDef = {};

  propsDef.get = function () {
    return this._props;
  };

  if (true) {
    dataDef.set = function () {
      warn('Avoid replacing instance root $data. ' + 'Use nested data properties instead.', this);
    };

    propsDef.set = function () {
      warn("$props is readonly.", this);
    };
  }

  Object.defineProperty(Vue.prototype, '$data', dataDef);
  Object.defineProperty(Vue.prototype, '$props', propsDef);
  Vue.prototype.$set = set;
  Vue.prototype.$delete = del;

  Vue.prototype.$watch = function (expOrFn, cb, options) {
    var vm = this;

    if (isPlainObject(cb)) {
      return createWatcher(vm, expOrFn, cb, options);
    }

    options = options || {};
    options.user = true;
    var watcher = new Watcher(vm, expOrFn, cb, options);

    if (options.immediate) {
      var info = "callback for immediate watcher \"" + watcher.expression + "\"";
      pushTarget();
      invokeWithErrorHandling(cb, vm, [watcher.value], vm, info);
      popTarget();
    }

    return function unwatchFn() {
      watcher.teardown();
    };
  };
}
/*  */


var uid$3 = 0;

function initMixin(Vue) {
  Vue.prototype._init = function (options) {
    var vm = this; // a uid

    vm._uid = uid$3++;
    var startTag, endTag;
    /* istanbul ignore if */

    if ( true && config.performance && mark) {
      startTag = "vue-perf-start:" + vm._uid;
      endTag = "vue-perf-end:" + vm._uid;
      mark(startTag);
    } // a flag to avoid this being observed


    vm._isVue = true; // merge options

    if (options && options._isComponent) {
      // optimize internal component instantiation
      // since dynamic options merging is pretty slow, and none of the
      // internal component options needs special treatment.
      initInternalComponent(vm, options);
    } else {
      vm.$options = mergeOptions(resolveConstructorOptions(vm.constructor), options || {}, vm);
    }
    /* istanbul ignore else */


    if (true) {
      initProxy(vm);
    } else {} // expose real self


    vm._self = vm;
    initLifecycle(vm);
    initEvents(vm);
    initRender(vm);
    callHook(vm, 'beforeCreate');
    initInjections(vm); // resolve injections before data/props

    initState(vm);
    initProvide(vm); // resolve provide after data/props

    callHook(vm, 'created');
    /* istanbul ignore if */

    if ( true && config.performance && mark) {
      vm._name = formatComponentName(vm, false);
      mark(endTag);
      measure("vue " + vm._name + " init", startTag, endTag);
    }

    if (vm.$options.el) {
      vm.$mount(vm.$options.el);
    }
  };
}

function initInternalComponent(vm, options) {
  var opts = vm.$options = Object.create(vm.constructor.options); // doing this because it's faster than dynamic enumeration.

  var parentVnode = options._parentVnode;
  opts.parent = options.parent;
  opts._parentVnode = parentVnode;
  var vnodeComponentOptions = parentVnode.componentOptions;
  opts.propsData = vnodeComponentOptions.propsData;
  opts._parentListeners = vnodeComponentOptions.listeners;
  opts._renderChildren = vnodeComponentOptions.children;
  opts._componentTag = vnodeComponentOptions.tag;

  if (options.render) {
    opts.render = options.render;
    opts.staticRenderFns = options.staticRenderFns;
  }
}

function resolveConstructorOptions(Ctor) {
  var options = Ctor.options;

  if (Ctor.super) {
    var superOptions = resolveConstructorOptions(Ctor.super);
    var cachedSuperOptions = Ctor.superOptions;

    if (superOptions !== cachedSuperOptions) {
      // super option changed,
      // need to resolve new options.
      Ctor.superOptions = superOptions; // check if there are any late-modified/attached options (#4976)

      var modifiedOptions = resolveModifiedOptions(Ctor); // update base extend options

      if (modifiedOptions) {
        extend(Ctor.extendOptions, modifiedOptions);
      }

      options = Ctor.options = mergeOptions(superOptions, Ctor.extendOptions);

      if (options.name) {
        options.components[options.name] = Ctor;
      }
    }
  }

  return options;
}

function resolveModifiedOptions(Ctor) {
  var modified;
  var latest = Ctor.options;
  var sealed = Ctor.sealedOptions;

  for (var key in latest) {
    if (latest[key] !== sealed[key]) {
      if (!modified) {
        modified = {};
      }

      modified[key] = latest[key];
    }
  }

  return modified;
}

function Vue(options) {
  if ( true && !(this instanceof Vue)) {
    warn('Vue is a constructor and should be called with the `new` keyword');
  }

  this._init(options);
}

initMixin(Vue);
stateMixin(Vue);
eventsMixin(Vue);
lifecycleMixin(Vue);
renderMixin(Vue);
/*  */

function initUse(Vue) {
  Vue.use = function (plugin) {
    var installedPlugins = this._installedPlugins || (this._installedPlugins = []);

    if (installedPlugins.indexOf(plugin) > -1) {
      return this;
    } // additional parameters


    var args = toArray(arguments, 1);
    args.unshift(this);

    if (typeof plugin.install === 'function') {
      plugin.install.apply(plugin, args);
    } else if (typeof plugin === 'function') {
      plugin.apply(null, args);
    }

    installedPlugins.push(plugin);
    return this;
  };
}
/*  */


function initMixin$1(Vue) {
  Vue.mixin = function (mixin) {
    this.options = mergeOptions(this.options, mixin);
    return this;
  };
}
/*  */


function initExtend(Vue) {
  /**
   * Each instance constructor, including Vue, has a unique
   * cid. This enables us to create wrapped "child
   * constructors" for prototypal inheritance and cache them.
   */
  Vue.cid = 0;
  var cid = 1;
  /**
   * Class inheritance
   */

  Vue.extend = function (extendOptions) {
    extendOptions = extendOptions || {};
    var Super = this;
    var SuperId = Super.cid;
    var cachedCtors = extendOptions._Ctor || (extendOptions._Ctor = {});

    if (cachedCtors[SuperId]) {
      return cachedCtors[SuperId];
    }

    var name = extendOptions.name || Super.options.name;

    if ( true && name) {
      validateComponentName(name);
    }

    var Sub = function VueComponent(options) {
      this._init(options);
    };

    Sub.prototype = Object.create(Super.prototype);
    Sub.prototype.constructor = Sub;
    Sub.cid = cid++;
    Sub.options = mergeOptions(Super.options, extendOptions);
    Sub['super'] = Super; // For props and computed properties, we define the proxy getters on
    // the Vue instances at extension time, on the extended prototype. This
    // avoids Object.defineProperty calls for each instance created.

    if (Sub.options.props) {
      initProps$1(Sub);
    }

    if (Sub.options.computed) {
      initComputed$1(Sub);
    } // allow further extension/mixin/plugin usage


    Sub.extend = Super.extend;
    Sub.mixin = Super.mixin;
    Sub.use = Super.use; // create asset registers, so extended classes
    // can have their private assets too.

    ASSET_TYPES.forEach(function (type) {
      Sub[type] = Super[type];
    }); // enable recursive self-lookup

    if (name) {
      Sub.options.components[name] = Sub;
    } // keep a reference to the super options at extension time.
    // later at instantiation we can check if Super's options have
    // been updated.


    Sub.superOptions = Super.options;
    Sub.extendOptions = extendOptions;
    Sub.sealedOptions = extend({}, Sub.options); // cache constructor

    cachedCtors[SuperId] = Sub;
    return Sub;
  };
}

function initProps$1(Comp) {
  var props = Comp.options.props;

  for (var key in props) {
    proxy(Comp.prototype, "_props", key);
  }
}

function initComputed$1(Comp) {
  var computed = Comp.options.computed;

  for (var key in computed) {
    defineComputed(Comp.prototype, key, computed[key]);
  }
}
/*  */


function initAssetRegisters(Vue) {
  /**
   * Create asset registration methods.
   */
  ASSET_TYPES.forEach(function (type) {
    Vue[type] = function (id, definition) {
      if (!definition) {
        return this.options[type + 's'][id];
      } else {
        /* istanbul ignore if */
        if ( true && type === 'component') {
          validateComponentName(id);
        }

        if (type === 'component' && isPlainObject(definition)) {
          definition.name = definition.name || id;
          definition = this.options._base.extend(definition);
        }

        if (type === 'directive' && typeof definition === 'function') {
          definition = {
            bind: definition,
            update: definition
          };
        }

        this.options[type + 's'][id] = definition;
        return definition;
      }
    };
  });
}
/*  */


function getComponentName(opts) {
  return opts && (opts.Ctor.options.name || opts.tag);
}

function matches(pattern, name) {
  if (Array.isArray(pattern)) {
    return pattern.indexOf(name) > -1;
  } else if (typeof pattern === 'string') {
    return pattern.split(',').indexOf(name) > -1;
  } else if (isRegExp(pattern)) {
    return pattern.test(name);
  }
  /* istanbul ignore next */


  return false;
}

function pruneCache(keepAliveInstance, filter) {
  var cache = keepAliveInstance.cache;
  var keys = keepAliveInstance.keys;
  var _vnode = keepAliveInstance._vnode;

  for (var key in cache) {
    var entry = cache[key];

    if (entry) {
      var name = entry.name;

      if (name && !filter(name)) {
        pruneCacheEntry(cache, key, keys, _vnode);
      }
    }
  }
}

function pruneCacheEntry(cache, key, keys, current) {
  var entry = cache[key];

  if (entry && (!current || entry.tag !== current.tag)) {
    entry.componentInstance.$destroy();
  }

  cache[key] = null;
  remove(keys, key);
}

var patternTypes = [String, RegExp, Array];
var KeepAlive = {
  name: 'keep-alive',
  abstract: true,
  props: {
    include: patternTypes,
    exclude: patternTypes,
    max: [String, Number]
  },
  methods: {
    cacheVNode: function cacheVNode() {
      var ref = this;
      var cache = ref.cache;
      var keys = ref.keys;
      var vnodeToCache = ref.vnodeToCache;
      var keyToCache = ref.keyToCache;

      if (vnodeToCache) {
        var tag = vnodeToCache.tag;
        var componentInstance = vnodeToCache.componentInstance;
        var componentOptions = vnodeToCache.componentOptions;
        cache[keyToCache] = {
          name: getComponentName(componentOptions),
          tag: tag,
          componentInstance: componentInstance
        };
        keys.push(keyToCache); // prune oldest entry

        if (this.max && keys.length > parseInt(this.max)) {
          pruneCacheEntry(cache, keys[0], keys, this._vnode);
        }

        this.vnodeToCache = null;
      }
    }
  },
  created: function created() {
    this.cache = Object.create(null);
    this.keys = [];
  },
  destroyed: function destroyed() {
    for (var key in this.cache) {
      pruneCacheEntry(this.cache, key, this.keys);
    }
  },
  mounted: function mounted() {
    var this$1 = this;
    this.cacheVNode();
    this.$watch('include', function (val) {
      pruneCache(this$1, function (name) {
        return matches(val, name);
      });
    });
    this.$watch('exclude', function (val) {
      pruneCache(this$1, function (name) {
        return !matches(val, name);
      });
    });
  },
  updated: function updated() {
    this.cacheVNode();
  },
  render: function render() {
    var slot = this.$slots.default;
    var vnode = getFirstComponentChild(slot);
    var componentOptions = vnode && vnode.componentOptions;

    if (componentOptions) {
      // check pattern
      var name = getComponentName(componentOptions);
      var ref = this;
      var include = ref.include;
      var exclude = ref.exclude;

      if ( // not included
      include && (!name || !matches(include, name)) || // excluded
      exclude && name && matches(exclude, name)) {
        return vnode;
      }

      var ref$1 = this;
      var cache = ref$1.cache;
      var keys = ref$1.keys;
      var key = vnode.key == null // same constructor may get registered as different local components
      // so cid alone is not enough (#3269)
      ? componentOptions.Ctor.cid + (componentOptions.tag ? "::" + componentOptions.tag : '') : vnode.key;

      if (cache[key]) {
        vnode.componentInstance = cache[key].componentInstance; // make current key freshest

        remove(keys, key);
        keys.push(key);
      } else {
        // delay setting the cache until update
        this.vnodeToCache = vnode;
        this.keyToCache = key;
      }

      vnode.data.keepAlive = true;
    }

    return vnode || slot && slot[0];
  }
};
var builtInComponents = {
  KeepAlive: KeepAlive
};
/*  */

function initGlobalAPI(Vue) {
  // config
  var configDef = {};

  configDef.get = function () {
    return config;
  };

  if (true) {
    configDef.set = function () {
      warn('Do not replace the Vue.config object, set individual fields instead.');
    };
  }

  Object.defineProperty(Vue, 'config', configDef); // exposed util methods.
  // NOTE: these are not considered part of the public API - avoid relying on
  // them unless you are aware of the risk.

  Vue.util = {
    warn: warn,
    extend: extend,
    mergeOptions: mergeOptions,
    defineReactive: defineReactive$$1
  };
  Vue.set = set;
  Vue.delete = del;
  Vue.nextTick = nextTick; // 2.6 explicit observable API

  Vue.observable = function (obj) {
    observe(obj);
    return obj;
  };

  Vue.options = Object.create(null);
  ASSET_TYPES.forEach(function (type) {
    Vue.options[type + 's'] = Object.create(null);
  }); // this is used to identify the "base" constructor to extend all plain-object
  // components with in Weex's multi-instance scenarios.

  Vue.options._base = Vue;
  extend(Vue.options.components, builtInComponents);
  initUse(Vue);
  initMixin$1(Vue);
  initExtend(Vue);
  initAssetRegisters(Vue);
}

initGlobalAPI(Vue);
Object.defineProperty(Vue.prototype, '$isServer', {
  get: isServerRendering
});
Object.defineProperty(Vue.prototype, '$ssrContext', {
  get: function get() {
    /* istanbul ignore next */
    return this.$vnode && this.$vnode.ssrContext;
  }
}); // expose FunctionalRenderContext for ssr runtime helper installation

Object.defineProperty(Vue, 'FunctionalRenderContext', {
  value: FunctionalRenderContext
});
Vue.version = '2.6.14';
/*  */
// these are reserved for web because they are directly compiled away
// during template compilation

var isReservedAttr = makeMap('style,class'); // attributes that should be using props for binding

var acceptValue = makeMap('input,textarea,option,select,progress');

var mustUseProp = function (tag, type, attr) {
  return attr === 'value' && acceptValue(tag) && type !== 'button' || attr === 'selected' && tag === 'option' || attr === 'checked' && tag === 'input' || attr === 'muted' && tag === 'video';
};

var isEnumeratedAttr = makeMap('contenteditable,draggable,spellcheck');
var isValidContentEditableValue = makeMap('events,caret,typing,plaintext-only');

var convertEnumeratedValue = function (key, value) {
  return isFalsyAttrValue(value) || value === 'false' ? 'false' // allow arbitrary string value for contenteditable
  : key === 'contenteditable' && isValidContentEditableValue(value) ? value : 'true';
};

var isBooleanAttr = makeMap('allowfullscreen,async,autofocus,autoplay,checked,compact,controls,declare,' + 'default,defaultchecked,defaultmuted,defaultselected,defer,disabled,' + 'enabled,formnovalidate,hidden,indeterminate,inert,ismap,itemscope,loop,multiple,' + 'muted,nohref,noresize,noshade,novalidate,nowrap,open,pauseonexit,readonly,' + 'required,reversed,scoped,seamless,selected,sortable,' + 'truespeed,typemustmatch,visible');
var xlinkNS = 'http://www.w3.org/1999/xlink';

var isXlink = function (name) {
  return name.charAt(5) === ':' && name.slice(0, 5) === 'xlink';
};

var getXlinkProp = function (name) {
  return isXlink(name) ? name.slice(6, name.length) : '';
};

var isFalsyAttrValue = function (val) {
  return val == null || val === false;
};
/*  */


function genClassForVnode(vnode) {
  var data = vnode.data;
  var parentNode = vnode;
  var childNode = vnode;

  while (isDef(childNode.componentInstance)) {
    childNode = childNode.componentInstance._vnode;

    if (childNode && childNode.data) {
      data = mergeClassData(childNode.data, data);
    }
  }

  while (isDef(parentNode = parentNode.parent)) {
    if (parentNode && parentNode.data) {
      data = mergeClassData(data, parentNode.data);
    }
  }

  return renderClass(data.staticClass, data.class);
}

function mergeClassData(child, parent) {
  return {
    staticClass: concat(child.staticClass, parent.staticClass),
    class: isDef(child.class) ? [child.class, parent.class] : parent.class
  };
}

function renderClass(staticClass, dynamicClass) {
  if (isDef(staticClass) || isDef(dynamicClass)) {
    return concat(staticClass, stringifyClass(dynamicClass));
  }
  /* istanbul ignore next */


  return '';
}

function concat(a, b) {
  return a ? b ? a + ' ' + b : a : b || '';
}

function stringifyClass(value) {
  if (Array.isArray(value)) {
    return stringifyArray(value);
  }

  if (isObject(value)) {
    return stringifyObject(value);
  }

  if (typeof value === 'string') {
    return value;
  }
  /* istanbul ignore next */


  return '';
}

function stringifyArray(value) {
  var res = '';
  var stringified;

  for (var i = 0, l = value.length; i < l; i++) {
    if (isDef(stringified = stringifyClass(value[i])) && stringified !== '') {
      if (res) {
        res += ' ';
      }

      res += stringified;
    }
  }

  return res;
}

function stringifyObject(value) {
  var res = '';

  for (var key in value) {
    if (value[key]) {
      if (res) {
        res += ' ';
      }

      res += key;
    }
  }

  return res;
}
/*  */


var namespaceMap = {
  svg: 'http://www.w3.org/2000/svg',
  math: 'http://www.w3.org/1998/Math/MathML'
};
var isHTMLTag = makeMap('html,body,base,head,link,meta,style,title,' + 'address,article,aside,footer,header,h1,h2,h3,h4,h5,h6,hgroup,nav,section,' + 'div,dd,dl,dt,figcaption,figure,picture,hr,img,li,main,ol,p,pre,ul,' + 'a,b,abbr,bdi,bdo,br,cite,code,data,dfn,em,i,kbd,mark,q,rp,rt,rtc,ruby,' + 's,samp,small,span,strong,sub,sup,time,u,var,wbr,area,audio,map,track,video,' + 'embed,object,param,source,canvas,script,noscript,del,ins,' + 'caption,col,colgroup,table,thead,tbody,td,th,tr,' + 'button,datalist,fieldset,form,input,label,legend,meter,optgroup,option,' + 'output,progress,select,textarea,' + 'details,dialog,menu,menuitem,summary,' + 'content,element,shadow,template,blockquote,iframe,tfoot'); // this map is intentionally selective, only covering SVG elements that may
// contain child elements.

var isSVG = makeMap('svg,animate,circle,clippath,cursor,defs,desc,ellipse,filter,font-face,' + 'foreignobject,g,glyph,image,line,marker,mask,missing-glyph,path,pattern,' + 'polygon,polyline,rect,switch,symbol,text,textpath,tspan,use,view', true);

var isReservedTag = function (tag) {
  return isHTMLTag(tag) || isSVG(tag);
};

function getTagNamespace(tag) {
  if (isSVG(tag)) {
    return 'svg';
  } // basic support for MathML
  // note it doesn't support other MathML elements being component roots


  if (tag === 'math') {
    return 'math';
  }
}

var unknownElementCache = Object.create(null);

function isUnknownElement(tag) {
  /* istanbul ignore if */
  if (!inBrowser) {
    return true;
  }

  if (isReservedTag(tag)) {
    return false;
  }

  tag = tag.toLowerCase();
  /* istanbul ignore if */

  if (unknownElementCache[tag] != null) {
    return unknownElementCache[tag];
  }

  var el = document.createElement(tag);

  if (tag.indexOf('-') > -1) {
    // http://stackoverflow.com/a/28210364/1070244
    return unknownElementCache[tag] = el.constructor === window.HTMLUnknownElement || el.constructor === window.HTMLElement;
  } else {
    return unknownElementCache[tag] = /HTMLUnknownElement/.test(el.toString());
  }
}

var isTextInputType = makeMap('text,number,password,search,email,tel,url');
/*  */

/**
 * Query an element selector if it's not an element already.
 */

function query(el) {
  if (typeof el === 'string') {
    var selected = document.querySelector(el);

    if (!selected) {
       true && warn('Cannot find element: ' + el);
      return document.createElement('div');
    }

    return selected;
  } else {
    return el;
  }
}
/*  */


function createElement$1(tagName, vnode) {
  var elm = document.createElement(tagName);

  if (tagName !== 'select') {
    return elm;
  } // false or null will remove the attribute but undefined will not


  if (vnode.data && vnode.data.attrs && vnode.data.attrs.multiple !== undefined) {
    elm.setAttribute('multiple', 'multiple');
  }

  return elm;
}

function createElementNS(namespace, tagName) {
  return document.createElementNS(namespaceMap[namespace], tagName);
}

function createTextNode(text) {
  return document.createTextNode(text);
}

function createComment(text) {
  return document.createComment(text);
}

function insertBefore(parentNode, newNode, referenceNode) {
  parentNode.insertBefore(newNode, referenceNode);
}

function removeChild(node, child) {
  node.removeChild(child);
}

function appendChild(node, child) {
  node.appendChild(child);
}

function parentNode(node) {
  return node.parentNode;
}

function nextSibling(node) {
  return node.nextSibling;
}

function tagName(node) {
  return node.tagName;
}

function setTextContent(node, text) {
  node.textContent = text;
}

function setStyleScope(node, scopeId) {
  node.setAttribute(scopeId, '');
}

var nodeOps = /*#__PURE__*/Object.freeze({
  createElement: createElement$1,
  createElementNS: createElementNS,
  createTextNode: createTextNode,
  createComment: createComment,
  insertBefore: insertBefore,
  removeChild: removeChild,
  appendChild: appendChild,
  parentNode: parentNode,
  nextSibling: nextSibling,
  tagName: tagName,
  setTextContent: setTextContent,
  setStyleScope: setStyleScope
});
/*  */

var ref = {
  create: function create(_, vnode) {
    registerRef(vnode);
  },
  update: function update(oldVnode, vnode) {
    if (oldVnode.data.ref !== vnode.data.ref) {
      registerRef(oldVnode, true);
      registerRef(vnode);
    }
  },
  destroy: function destroy(vnode) {
    registerRef(vnode, true);
  }
};

function registerRef(vnode, isRemoval) {
  var key = vnode.data.ref;

  if (!isDef(key)) {
    return;
  }

  var vm = vnode.context;
  var ref = vnode.componentInstance || vnode.elm;
  var refs = vm.$refs;

  if (isRemoval) {
    if (Array.isArray(refs[key])) {
      remove(refs[key], ref);
    } else if (refs[key] === ref) {
      refs[key] = undefined;
    }
  } else {
    if (vnode.data.refInFor) {
      if (!Array.isArray(refs[key])) {
        refs[key] = [ref];
      } else if (refs[key].indexOf(ref) < 0) {
        // $flow-disable-line
        refs[key].push(ref);
      }
    } else {
      refs[key] = ref;
    }
  }
}
/**
 * Virtual DOM patching algorithm based on Snabbdom by
 * Simon Friis Vindum (@paldepind)
 * Licensed under the MIT License
 * https://github.com/paldepind/snabbdom/blob/master/LICENSE
 *
 * modified by Evan You (@yyx990803)
 *
 * Not type-checking this because this file is perf-critical and the cost
 * of making flow understand it is not worth it.
 */


var emptyNode = new VNode('', {}, []);
var hooks = ['create', 'activate', 'update', 'remove', 'destroy'];

function sameVnode(a, b) {
  return a.key === b.key && a.asyncFactory === b.asyncFactory && (a.tag === b.tag && a.isComment === b.isComment && isDef(a.data) === isDef(b.data) && sameInputType(a, b) || isTrue(a.isAsyncPlaceholder) && isUndef(b.asyncFactory.error));
}

function sameInputType(a, b) {
  if (a.tag !== 'input') {
    return true;
  }

  var i;
  var typeA = isDef(i = a.data) && isDef(i = i.attrs) && i.type;
  var typeB = isDef(i = b.data) && isDef(i = i.attrs) && i.type;
  return typeA === typeB || isTextInputType(typeA) && isTextInputType(typeB);
}

function createKeyToOldIdx(children, beginIdx, endIdx) {
  var i, key;
  var map = {};

  for (i = beginIdx; i <= endIdx; ++i) {
    key = children[i].key;

    if (isDef(key)) {
      map[key] = i;
    }
  }

  return map;
}

function createPatchFunction(backend) {
  var i, j;
  var cbs = {};
  var modules = backend.modules;
  var nodeOps = backend.nodeOps;

  for (i = 0; i < hooks.length; ++i) {
    cbs[hooks[i]] = [];

    for (j = 0; j < modules.length; ++j) {
      if (isDef(modules[j][hooks[i]])) {
        cbs[hooks[i]].push(modules[j][hooks[i]]);
      }
    }
  }

  function emptyNodeAt(elm) {
    return new VNode(nodeOps.tagName(elm).toLowerCase(), {}, [], undefined, elm);
  }

  function createRmCb(childElm, listeners) {
    function remove$$1() {
      if (--remove$$1.listeners === 0) {
        removeNode(childElm);
      }
    }

    remove$$1.listeners = listeners;
    return remove$$1;
  }

  function removeNode(el) {
    var parent = nodeOps.parentNode(el); // element may have already been removed due to v-html / v-text

    if (isDef(parent)) {
      nodeOps.removeChild(parent, el);
    }
  }

  function isUnknownElement$$1(vnode, inVPre) {
    return !inVPre && !vnode.ns && !(config.ignoredElements.length && config.ignoredElements.some(function (ignore) {
      return isRegExp(ignore) ? ignore.test(vnode.tag) : ignore === vnode.tag;
    })) && config.isUnknownElement(vnode.tag);
  }

  var creatingElmInVPre = 0;

  function createElm(vnode, insertedVnodeQueue, parentElm, refElm, nested, ownerArray, index) {
    if (isDef(vnode.elm) && isDef(ownerArray)) {
      // This vnode was used in a previous render!
      // now it's used as a new node, overwriting its elm would cause
      // potential patch errors down the road when it's used as an insertion
      // reference node. Instead, we clone the node on-demand before creating
      // associated DOM element for it.
      vnode = ownerArray[index] = cloneVNode(vnode);
    }

    vnode.isRootInsert = !nested; // for transition enter check

    if (createComponent(vnode, insertedVnodeQueue, parentElm, refElm)) {
      return;
    }

    var data = vnode.data;
    var children = vnode.children;
    var tag = vnode.tag;

    if (isDef(tag)) {
      if (true) {
        if (data && data.pre) {
          creatingElmInVPre++;
        }

        if (isUnknownElement$$1(vnode, creatingElmInVPre)) {
          warn('Unknown custom element: <' + tag + '> - did you ' + 'register the component correctly? For recursive components, ' + 'make sure to provide the "name" option.', vnode.context);
        }
      }

      vnode.elm = vnode.ns ? nodeOps.createElementNS(vnode.ns, tag) : nodeOps.createElement(tag, vnode);
      setScope(vnode);
      /* istanbul ignore if */

      {
        createChildren(vnode, children, insertedVnodeQueue);

        if (isDef(data)) {
          invokeCreateHooks(vnode, insertedVnodeQueue);
        }

        insert(parentElm, vnode.elm, refElm);
      }

      if ( true && data && data.pre) {
        creatingElmInVPre--;
      }
    } else if (isTrue(vnode.isComment)) {
      vnode.elm = nodeOps.createComment(vnode.text);
      insert(parentElm, vnode.elm, refElm);
    } else {
      vnode.elm = nodeOps.createTextNode(vnode.text);
      insert(parentElm, vnode.elm, refElm);
    }
  }

  function createComponent(vnode, insertedVnodeQueue, parentElm, refElm) {
    var i = vnode.data;

    if (isDef(i)) {
      var isReactivated = isDef(vnode.componentInstance) && i.keepAlive;

      if (isDef(i = i.hook) && isDef(i = i.init)) {
        i(vnode, false
        /* hydrating */
        );
      } // after calling the init hook, if the vnode is a child component
      // it should've created a child instance and mounted it. the child
      // component also has set the placeholder vnode's elm.
      // in that case we can just return the element and be done.


      if (isDef(vnode.componentInstance)) {
        initComponent(vnode, insertedVnodeQueue);
        insert(parentElm, vnode.elm, refElm);

        if (isTrue(isReactivated)) {
          reactivateComponent(vnode, insertedVnodeQueue, parentElm, refElm);
        }

        return true;
      }
    }
  }

  function initComponent(vnode, insertedVnodeQueue) {
    if (isDef(vnode.data.pendingInsert)) {
      insertedVnodeQueue.push.apply(insertedVnodeQueue, vnode.data.pendingInsert);
      vnode.data.pendingInsert = null;
    }

    vnode.elm = vnode.componentInstance.$el;

    if (isPatchable(vnode)) {
      invokeCreateHooks(vnode, insertedVnodeQueue);
      setScope(vnode);
    } else {
      // empty component root.
      // skip all element-related modules except for ref (#3455)
      registerRef(vnode); // make sure to invoke the insert hook

      insertedVnodeQueue.push(vnode);
    }
  }

  function reactivateComponent(vnode, insertedVnodeQueue, parentElm, refElm) {
    var i; // hack for #4339: a reactivated component with inner transition
    // does not trigger because the inner node's created hooks are not called
    // again. It's not ideal to involve module-specific logic in here but
    // there doesn't seem to be a better way to do it.

    var innerNode = vnode;

    while (innerNode.componentInstance) {
      innerNode = innerNode.componentInstance._vnode;

      if (isDef(i = innerNode.data) && isDef(i = i.transition)) {
        for (i = 0; i < cbs.activate.length; ++i) {
          cbs.activate[i](emptyNode, innerNode);
        }

        insertedVnodeQueue.push(innerNode);
        break;
      }
    } // unlike a newly created component,
    // a reactivated keep-alive component doesn't insert itself


    insert(parentElm, vnode.elm, refElm);
  }

  function insert(parent, elm, ref$$1) {
    if (isDef(parent)) {
      if (isDef(ref$$1)) {
        if (nodeOps.parentNode(ref$$1) === parent) {
          nodeOps.insertBefore(parent, elm, ref$$1);
        }
      } else {
        nodeOps.appendChild(parent, elm);
      }
    }
  }

  function createChildren(vnode, children, insertedVnodeQueue) {
    if (Array.isArray(children)) {
      if (true) {
        checkDuplicateKeys(children);
      }

      for (var i = 0; i < children.length; ++i) {
        createElm(children[i], insertedVnodeQueue, vnode.elm, null, true, children, i);
      }
    } else if (isPrimitive(vnode.text)) {
      nodeOps.appendChild(vnode.elm, nodeOps.createTextNode(String(vnode.text)));
    }
  }

  function isPatchable(vnode) {
    while (vnode.componentInstance) {
      vnode = vnode.componentInstance._vnode;
    }

    return isDef(vnode.tag);
  }

  function invokeCreateHooks(vnode, insertedVnodeQueue) {
    for (var i$1 = 0; i$1 < cbs.create.length; ++i$1) {
      cbs.create[i$1](emptyNode, vnode);
    }

    i = vnode.data.hook; // Reuse variable

    if (isDef(i)) {
      if (isDef(i.create)) {
        i.create(emptyNode, vnode);
      }

      if (isDef(i.insert)) {
        insertedVnodeQueue.push(vnode);
      }
    }
  } // set scope id attribute for scoped CSS.
  // this is implemented as a special case to avoid the overhead
  // of going through the normal attribute patching process.


  function setScope(vnode) {
    var i;

    if (isDef(i = vnode.fnScopeId)) {
      nodeOps.setStyleScope(vnode.elm, i);
    } else {
      var ancestor = vnode;

      while (ancestor) {
        if (isDef(i = ancestor.context) && isDef(i = i.$options._scopeId)) {
          nodeOps.setStyleScope(vnode.elm, i);
        }

        ancestor = ancestor.parent;
      }
    } // for slot content they should also get the scopeId from the host instance.


    if (isDef(i = activeInstance) && i !== vnode.context && i !== vnode.fnContext && isDef(i = i.$options._scopeId)) {
      nodeOps.setStyleScope(vnode.elm, i);
    }
  }

  function addVnodes(parentElm, refElm, vnodes, startIdx, endIdx, insertedVnodeQueue) {
    for (; startIdx <= endIdx; ++startIdx) {
      createElm(vnodes[startIdx], insertedVnodeQueue, parentElm, refElm, false, vnodes, startIdx);
    }
  }

  function invokeDestroyHook(vnode) {
    var i, j;
    var data = vnode.data;

    if (isDef(data)) {
      if (isDef(i = data.hook) && isDef(i = i.destroy)) {
        i(vnode);
      }

      for (i = 0; i < cbs.destroy.length; ++i) {
        cbs.destroy[i](vnode);
      }
    }

    if (isDef(i = vnode.children)) {
      for (j = 0; j < vnode.children.length; ++j) {
        invokeDestroyHook(vnode.children[j]);
      }
    }
  }

  function removeVnodes(vnodes, startIdx, endIdx) {
    for (; startIdx <= endIdx; ++startIdx) {
      var ch = vnodes[startIdx];

      if (isDef(ch)) {
        if (isDef(ch.tag)) {
          removeAndInvokeRemoveHook(ch);
          invokeDestroyHook(ch);
        } else {
          // Text node
          removeNode(ch.elm);
        }
      }
    }
  }

  function removeAndInvokeRemoveHook(vnode, rm) {
    if (isDef(rm) || isDef(vnode.data)) {
      var i;
      var listeners = cbs.remove.length + 1;

      if (isDef(rm)) {
        // we have a recursively passed down rm callback
        // increase the listeners count
        rm.listeners += listeners;
      } else {
        // directly removing
        rm = createRmCb(vnode.elm, listeners);
      } // recursively invoke hooks on child component root node


      if (isDef(i = vnode.componentInstance) && isDef(i = i._vnode) && isDef(i.data)) {
        removeAndInvokeRemoveHook(i, rm);
      }

      for (i = 0; i < cbs.remove.length; ++i) {
        cbs.remove[i](vnode, rm);
      }

      if (isDef(i = vnode.data.hook) && isDef(i = i.remove)) {
        i(vnode, rm);
      } else {
        rm();
      }
    } else {
      removeNode(vnode.elm);
    }
  }

  function updateChildren(parentElm, oldCh, newCh, insertedVnodeQueue, removeOnly) {
    var oldStartIdx = 0;
    var newStartIdx = 0;
    var oldEndIdx = oldCh.length - 1;
    var oldStartVnode = oldCh[0];
    var oldEndVnode = oldCh[oldEndIdx];
    var newEndIdx = newCh.length - 1;
    var newStartVnode = newCh[0];
    var newEndVnode = newCh[newEndIdx];
    var oldKeyToIdx, idxInOld, vnodeToMove, refElm; // removeOnly is a special flag used only by <transition-group>
    // to ensure removed elements stay in correct relative positions
    // during leaving transitions

    var canMove = !removeOnly;

    if (true) {
      checkDuplicateKeys(newCh);
    }

    while (oldStartIdx <= oldEndIdx && newStartIdx <= newEndIdx) {
      if (isUndef(oldStartVnode)) {
        oldStartVnode = oldCh[++oldStartIdx]; // Vnode has been moved left
      } else if (isUndef(oldEndVnode)) {
        oldEndVnode = oldCh[--oldEndIdx];
      } else if (sameVnode(oldStartVnode, newStartVnode)) {
        patchVnode(oldStartVnode, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);
        oldStartVnode = oldCh[++oldStartIdx];
        newStartVnode = newCh[++newStartIdx];
      } else if (sameVnode(oldEndVnode, newEndVnode)) {
        patchVnode(oldEndVnode, newEndVnode, insertedVnodeQueue, newCh, newEndIdx);
        oldEndVnode = oldCh[--oldEndIdx];
        newEndVnode = newCh[--newEndIdx];
      } else if (sameVnode(oldStartVnode, newEndVnode)) {
        // Vnode moved right
        patchVnode(oldStartVnode, newEndVnode, insertedVnodeQueue, newCh, newEndIdx);
        canMove && nodeOps.insertBefore(parentElm, oldStartVnode.elm, nodeOps.nextSibling(oldEndVnode.elm));
        oldStartVnode = oldCh[++oldStartIdx];
        newEndVnode = newCh[--newEndIdx];
      } else if (sameVnode(oldEndVnode, newStartVnode)) {
        // Vnode moved left
        patchVnode(oldEndVnode, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);
        canMove && nodeOps.insertBefore(parentElm, oldEndVnode.elm, oldStartVnode.elm);
        oldEndVnode = oldCh[--oldEndIdx];
        newStartVnode = newCh[++newStartIdx];
      } else {
        if (isUndef(oldKeyToIdx)) {
          oldKeyToIdx = createKeyToOldIdx(oldCh, oldStartIdx, oldEndIdx);
        }

        idxInOld = isDef(newStartVnode.key) ? oldKeyToIdx[newStartVnode.key] : findIdxInOld(newStartVnode, oldCh, oldStartIdx, oldEndIdx);

        if (isUndef(idxInOld)) {
          // New element
          createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm, false, newCh, newStartIdx);
        } else {
          vnodeToMove = oldCh[idxInOld];

          if (sameVnode(vnodeToMove, newStartVnode)) {
            patchVnode(vnodeToMove, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);
            oldCh[idxInOld] = undefined;
            canMove && nodeOps.insertBefore(parentElm, vnodeToMove.elm, oldStartVnode.elm);
          } else {
            // same key but different element. treat as new element
            createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm, false, newCh, newStartIdx);
          }
        }

        newStartVnode = newCh[++newStartIdx];
      }
    }

    if (oldStartIdx > oldEndIdx) {
      refElm = isUndef(newCh[newEndIdx + 1]) ? null : newCh[newEndIdx + 1].elm;
      addVnodes(parentElm, refElm, newCh, newStartIdx, newEndIdx, insertedVnodeQueue);
    } else if (newStartIdx > newEndIdx) {
      removeVnodes(oldCh, oldStartIdx, oldEndIdx);
    }
  }

  function checkDuplicateKeys(children) {
    var seenKeys = {};

    for (var i = 0; i < children.length; i++) {
      var vnode = children[i];
      var key = vnode.key;

      if (isDef(key)) {
        if (seenKeys[key]) {
          warn("Duplicate keys detected: '" + key + "'. This may cause an update error.", vnode.context);
        } else {
          seenKeys[key] = true;
        }
      }
    }
  }

  function findIdxInOld(node, oldCh, start, end) {
    for (var i = start; i < end; i++) {
      var c = oldCh[i];

      if (isDef(c) && sameVnode(node, c)) {
        return i;
      }
    }
  }

  function patchVnode(oldVnode, vnode, insertedVnodeQueue, ownerArray, index, removeOnly) {
    if (oldVnode === vnode) {
      return;
    }

    if (isDef(vnode.elm) && isDef(ownerArray)) {
      // clone reused vnode
      vnode = ownerArray[index] = cloneVNode(vnode);
    }

    var elm = vnode.elm = oldVnode.elm;

    if (isTrue(oldVnode.isAsyncPlaceholder)) {
      if (isDef(vnode.asyncFactory.resolved)) {
        hydrate(oldVnode.elm, vnode, insertedVnodeQueue);
      } else {
        vnode.isAsyncPlaceholder = true;
      }

      return;
    } // reuse element for static trees.
    // note we only do this if the vnode is cloned -
    // if the new node is not cloned it means the render functions have been
    // reset by the hot-reload-api and we need to do a proper re-render.


    if (isTrue(vnode.isStatic) && isTrue(oldVnode.isStatic) && vnode.key === oldVnode.key && (isTrue(vnode.isCloned) || isTrue(vnode.isOnce))) {
      vnode.componentInstance = oldVnode.componentInstance;
      return;
    }

    var i;
    var data = vnode.data;

    if (isDef(data) && isDef(i = data.hook) && isDef(i = i.prepatch)) {
      i(oldVnode, vnode);
    }

    var oldCh = oldVnode.children;
    var ch = vnode.children;

    if (isDef(data) && isPatchable(vnode)) {
      for (i = 0; i < cbs.update.length; ++i) {
        cbs.update[i](oldVnode, vnode);
      }

      if (isDef(i = data.hook) && isDef(i = i.update)) {
        i(oldVnode, vnode);
      }
    }

    if (isUndef(vnode.text)) {
      if (isDef(oldCh) && isDef(ch)) {
        if (oldCh !== ch) {
          updateChildren(elm, oldCh, ch, insertedVnodeQueue, removeOnly);
        }
      } else if (isDef(ch)) {
        if (true) {
          checkDuplicateKeys(ch);
        }

        if (isDef(oldVnode.text)) {
          nodeOps.setTextContent(elm, '');
        }

        addVnodes(elm, null, ch, 0, ch.length - 1, insertedVnodeQueue);
      } else if (isDef(oldCh)) {
        removeVnodes(oldCh, 0, oldCh.length - 1);
      } else if (isDef(oldVnode.text)) {
        nodeOps.setTextContent(elm, '');
      }
    } else if (oldVnode.text !== vnode.text) {
      nodeOps.setTextContent(elm, vnode.text);
    }

    if (isDef(data)) {
      if (isDef(i = data.hook) && isDef(i = i.postpatch)) {
        i(oldVnode, vnode);
      }
    }
  }

  function invokeInsertHook(vnode, queue, initial) {
    // delay insert hooks for component root nodes, invoke them after the
    // element is really inserted
    if (isTrue(initial) && isDef(vnode.parent)) {
      vnode.parent.data.pendingInsert = queue;
    } else {
      for (var i = 0; i < queue.length; ++i) {
        queue[i].data.hook.insert(queue[i]);
      }
    }
  }

  var hydrationBailed = false; // list of modules that can skip create hook during hydration because they
  // are already rendered on the client or has no need for initialization
  // Note: style is excluded because it relies on initial clone for future
  // deep updates (#7063).

  var isRenderedModule = makeMap('attrs,class,staticClass,staticStyle,key'); // Note: this is a browser-only function so we can assume elms are DOM nodes.

  function hydrate(elm, vnode, insertedVnodeQueue, inVPre) {
    var i;
    var tag = vnode.tag;
    var data = vnode.data;
    var children = vnode.children;
    inVPre = inVPre || data && data.pre;
    vnode.elm = elm;

    if (isTrue(vnode.isComment) && isDef(vnode.asyncFactory)) {
      vnode.isAsyncPlaceholder = true;
      return true;
    } // assert node match


    if (true) {
      if (!assertNodeMatch(elm, vnode, inVPre)) {
        return false;
      }
    }

    if (isDef(data)) {
      if (isDef(i = data.hook) && isDef(i = i.init)) {
        i(vnode, true
        /* hydrating */
        );
      }

      if (isDef(i = vnode.componentInstance)) {
        // child component. it should have hydrated its own tree.
        initComponent(vnode, insertedVnodeQueue);
        return true;
      }
    }

    if (isDef(tag)) {
      if (isDef(children)) {
        // empty element, allow client to pick up and populate children
        if (!elm.hasChildNodes()) {
          createChildren(vnode, children, insertedVnodeQueue);
        } else {
          // v-html and domProps: innerHTML
          if (isDef(i = data) && isDef(i = i.domProps) && isDef(i = i.innerHTML)) {
            if (i !== elm.innerHTML) {
              /* istanbul ignore if */
              if ( true && typeof console !== 'undefined' && !hydrationBailed) {
                hydrationBailed = true;
                console.warn('Parent: ', elm);
                console.warn('server innerHTML: ', i);
                console.warn('client innerHTML: ', elm.innerHTML);
              }

              return false;
            }
          } else {
            // iterate and compare children lists
            var childrenMatch = true;
            var childNode = elm.firstChild;

            for (var i$1 = 0; i$1 < children.length; i$1++) {
              if (!childNode || !hydrate(childNode, children[i$1], insertedVnodeQueue, inVPre)) {
                childrenMatch = false;
                break;
              }

              childNode = childNode.nextSibling;
            } // if childNode is not null, it means the actual childNodes list is
            // longer than the virtual children list.


            if (!childrenMatch || childNode) {
              /* istanbul ignore if */
              if ( true && typeof console !== 'undefined' && !hydrationBailed) {
                hydrationBailed = true;
                console.warn('Parent: ', elm);
                console.warn('Mismatching childNodes vs. VNodes: ', elm.childNodes, children);
              }

              return false;
            }
          }
        }
      }

      if (isDef(data)) {
        var fullInvoke = false;

        for (var key in data) {
          if (!isRenderedModule(key)) {
            fullInvoke = true;
            invokeCreateHooks(vnode, insertedVnodeQueue);
            break;
          }
        }

        if (!fullInvoke && data['class']) {
          // ensure collecting deps for deep class bindings for future updates
          traverse(data['class']);
        }
      }
    } else if (elm.data !== vnode.text) {
      elm.data = vnode.text;
    }

    return true;
  }

  function assertNodeMatch(node, vnode, inVPre) {
    if (isDef(vnode.tag)) {
      return vnode.tag.indexOf('vue-component') === 0 || !isUnknownElement$$1(vnode, inVPre) && vnode.tag.toLowerCase() === (node.tagName && node.tagName.toLowerCase());
    } else {
      return node.nodeType === (vnode.isComment ? 8 : 3);
    }
  }

  return function patch(oldVnode, vnode, hydrating, removeOnly) {
    if (isUndef(vnode)) {
      if (isDef(oldVnode)) {
        invokeDestroyHook(oldVnode);
      }

      return;
    }

    var isInitialPatch = false;
    var insertedVnodeQueue = [];

    if (isUndef(oldVnode)) {
      // empty mount (likely as component), create new root element
      isInitialPatch = true;
      createElm(vnode, insertedVnodeQueue);
    } else {
      var isRealElement = isDef(oldVnode.nodeType);

      if (!isRealElement && sameVnode(oldVnode, vnode)) {
        // patch existing root node
        patchVnode(oldVnode, vnode, insertedVnodeQueue, null, null, removeOnly);
      } else {
        if (isRealElement) {
          // mounting to a real element
          // check if this is server-rendered content and if we can perform
          // a successful hydration.
          if (oldVnode.nodeType === 1 && oldVnode.hasAttribute(SSR_ATTR)) {
            oldVnode.removeAttribute(SSR_ATTR);
            hydrating = true;
          }

          if (isTrue(hydrating)) {
            if (hydrate(oldVnode, vnode, insertedVnodeQueue)) {
              invokeInsertHook(vnode, insertedVnodeQueue, true);
              return oldVnode;
            } else if (true) {
              warn('The client-side rendered virtual DOM tree is not matching ' + 'server-rendered content. This is likely caused by incorrect ' + 'HTML markup, for example nesting block-level elements inside ' + '<p>, or missing <tbody>. Bailing hydration and performing ' + 'full client-side render.');
            }
          } // either not server-rendered, or hydration failed.
          // create an empty node and replace it


          oldVnode = emptyNodeAt(oldVnode);
        } // replacing existing element


        var oldElm = oldVnode.elm;
        var parentElm = nodeOps.parentNode(oldElm); // create new node

        createElm(vnode, insertedVnodeQueue, // extremely rare edge case: do not insert if old element is in a
        // leaving transition. Only happens when combining transition +
        // keep-alive + HOCs. (#4590)
        oldElm._leaveCb ? null : parentElm, nodeOps.nextSibling(oldElm)); // update parent placeholder node element, recursively

        if (isDef(vnode.parent)) {
          var ancestor = vnode.parent;
          var patchable = isPatchable(vnode);

          while (ancestor) {
            for (var i = 0; i < cbs.destroy.length; ++i) {
              cbs.destroy[i](ancestor);
            }

            ancestor.elm = vnode.elm;

            if (patchable) {
              for (var i$1 = 0; i$1 < cbs.create.length; ++i$1) {
                cbs.create[i$1](emptyNode, ancestor);
              } // #6513
              // invoke insert hooks that may have been merged by create hooks.
              // e.g. for directives that uses the "inserted" hook.


              var insert = ancestor.data.hook.insert;

              if (insert.merged) {
                // start at index 1 to avoid re-invoking component mounted hook
                for (var i$2 = 1; i$2 < insert.fns.length; i$2++) {
                  insert.fns[i$2]();
                }
              }
            } else {
              registerRef(ancestor);
            }

            ancestor = ancestor.parent;
          }
        } // destroy old node


        if (isDef(parentElm)) {
          removeVnodes([oldVnode], 0, 0);
        } else if (isDef(oldVnode.tag)) {
          invokeDestroyHook(oldVnode);
        }
      }
    }

    invokeInsertHook(vnode, insertedVnodeQueue, isInitialPatch);
    return vnode.elm;
  };
}
/*  */


var directives = {
  create: updateDirectives,
  update: updateDirectives,
  destroy: function unbindDirectives(vnode) {
    updateDirectives(vnode, emptyNode);
  }
};

function updateDirectives(oldVnode, vnode) {
  if (oldVnode.data.directives || vnode.data.directives) {
    _update(oldVnode, vnode);
  }
}

function _update(oldVnode, vnode) {
  var isCreate = oldVnode === emptyNode;
  var isDestroy = vnode === emptyNode;
  var oldDirs = normalizeDirectives$1(oldVnode.data.directives, oldVnode.context);
  var newDirs = normalizeDirectives$1(vnode.data.directives, vnode.context);
  var dirsWithInsert = [];
  var dirsWithPostpatch = [];
  var key, oldDir, dir;

  for (key in newDirs) {
    oldDir = oldDirs[key];
    dir = newDirs[key];

    if (!oldDir) {
      // new directive, bind
      callHook$1(dir, 'bind', vnode, oldVnode);

      if (dir.def && dir.def.inserted) {
        dirsWithInsert.push(dir);
      }
    } else {
      // existing directive, update
      dir.oldValue = oldDir.value;
      dir.oldArg = oldDir.arg;
      callHook$1(dir, 'update', vnode, oldVnode);

      if (dir.def && dir.def.componentUpdated) {
        dirsWithPostpatch.push(dir);
      }
    }
  }

  if (dirsWithInsert.length) {
    var callInsert = function () {
      for (var i = 0; i < dirsWithInsert.length; i++) {
        callHook$1(dirsWithInsert[i], 'inserted', vnode, oldVnode);
      }
    };

    if (isCreate) {
      mergeVNodeHook(vnode, 'insert', callInsert);
    } else {
      callInsert();
    }
  }

  if (dirsWithPostpatch.length) {
    mergeVNodeHook(vnode, 'postpatch', function () {
      for (var i = 0; i < dirsWithPostpatch.length; i++) {
        callHook$1(dirsWithPostpatch[i], 'componentUpdated', vnode, oldVnode);
      }
    });
  }

  if (!isCreate) {
    for (key in oldDirs) {
      if (!newDirs[key]) {
        // no longer present, unbind
        callHook$1(oldDirs[key], 'unbind', oldVnode, oldVnode, isDestroy);
      }
    }
  }
}

var emptyModifiers = Object.create(null);

function normalizeDirectives$1(dirs, vm) {
  var res = Object.create(null);

  if (!dirs) {
    // $flow-disable-line
    return res;
  }

  var i, dir;

  for (i = 0; i < dirs.length; i++) {
    dir = dirs[i];

    if (!dir.modifiers) {
      // $flow-disable-line
      dir.modifiers = emptyModifiers;
    }

    res[getRawDirName(dir)] = dir;
    dir.def = resolveAsset(vm.$options, 'directives', dir.name, true);
  } // $flow-disable-line


  return res;
}

function getRawDirName(dir) {
  return dir.rawName || dir.name + "." + Object.keys(dir.modifiers || {}).join('.');
}

function callHook$1(dir, hook, vnode, oldVnode, isDestroy) {
  var fn = dir.def && dir.def[hook];

  if (fn) {
    try {
      fn(vnode.elm, dir, vnode, oldVnode, isDestroy);
    } catch (e) {
      handleError(e, vnode.context, "directive " + dir.name + " " + hook + " hook");
    }
  }
}

var baseModules = [ref, directives];
/*  */

function updateAttrs(oldVnode, vnode) {
  var opts = vnode.componentOptions;

  if (isDef(opts) && opts.Ctor.options.inheritAttrs === false) {
    return;
  }

  if (isUndef(oldVnode.data.attrs) && isUndef(vnode.data.attrs)) {
    return;
  }

  var key, cur, old;
  var elm = vnode.elm;
  var oldAttrs = oldVnode.data.attrs || {};
  var attrs = vnode.data.attrs || {}; // clone observed objects, as the user probably wants to mutate it

  if (isDef(attrs.__ob__)) {
    attrs = vnode.data.attrs = extend({}, attrs);
  }

  for (key in attrs) {
    cur = attrs[key];
    old = oldAttrs[key];

    if (old !== cur) {
      setAttr(elm, key, cur, vnode.data.pre);
    }
  } // #4391: in IE9, setting type can reset value for input[type=radio]
  // #6666: IE/Edge forces progress value down to 1 before setting a max

  /* istanbul ignore if */


  if ((isIE || isEdge) && attrs.value !== oldAttrs.value) {
    setAttr(elm, 'value', attrs.value);
  }

  for (key in oldAttrs) {
    if (isUndef(attrs[key])) {
      if (isXlink(key)) {
        elm.removeAttributeNS(xlinkNS, getXlinkProp(key));
      } else if (!isEnumeratedAttr(key)) {
        elm.removeAttribute(key);
      }
    }
  }
}

function setAttr(el, key, value, isInPre) {
  if (isInPre || el.tagName.indexOf('-') > -1) {
    baseSetAttr(el, key, value);
  } else if (isBooleanAttr(key)) {
    // set attribute for blank value
    // e.g. <option disabled>Select one</option>
    if (isFalsyAttrValue(value)) {
      el.removeAttribute(key);
    } else {
      // technically allowfullscreen is a boolean attribute for <iframe>,
      // but Flash expects a value of "true" when used on <embed> tag
      value = key === 'allowfullscreen' && el.tagName === 'EMBED' ? 'true' : key;
      el.setAttribute(key, value);
    }
  } else if (isEnumeratedAttr(key)) {
    el.setAttribute(key, convertEnumeratedValue(key, value));
  } else if (isXlink(key)) {
    if (isFalsyAttrValue(value)) {
      el.removeAttributeNS(xlinkNS, getXlinkProp(key));
    } else {
      el.setAttributeNS(xlinkNS, key, value);
    }
  } else {
    baseSetAttr(el, key, value);
  }
}

function baseSetAttr(el, key, value) {
  if (isFalsyAttrValue(value)) {
    el.removeAttribute(key);
  } else {
    // #7138: IE10 & 11 fires input event when setting placeholder on
    // <textarea>... block the first input event and remove the blocker
    // immediately.

    /* istanbul ignore if */
    if (isIE && !isIE9 && el.tagName === 'TEXTAREA' && key === 'placeholder' && value !== '' && !el.__ieph) {
      var blocker = function (e) {
        e.stopImmediatePropagation();
        el.removeEventListener('input', blocker);
      };

      el.addEventListener('input', blocker); // $flow-disable-line

      el.__ieph = true;
      /* IE placeholder patched */
    }

    el.setAttribute(key, value);
  }
}

var attrs = {
  create: updateAttrs,
  update: updateAttrs
};
/*  */

function updateClass(oldVnode, vnode) {
  var el = vnode.elm;
  var data = vnode.data;
  var oldData = oldVnode.data;

  if (isUndef(data.staticClass) && isUndef(data.class) && (isUndef(oldData) || isUndef(oldData.staticClass) && isUndef(oldData.class))) {
    return;
  }

  var cls = genClassForVnode(vnode); // handle transition classes

  var transitionClass = el._transitionClasses;

  if (isDef(transitionClass)) {
    cls = concat(cls, stringifyClass(transitionClass));
  } // set the class


  if (cls !== el._prevClass) {
    el.setAttribute('class', cls);
    el._prevClass = cls;
  }
}

var klass = {
  create: updateClass,
  update: updateClass
};
/*  */

/*  */

/*  */

/*  */
// in some cases, the event used has to be determined at runtime
// so we used some reserved tokens during compile.

var RANGE_TOKEN = '__r';
var CHECKBOX_RADIO_TOKEN = '__c';
/*  */
// normalize v-model event tokens that can only be determined at runtime.
// it's important to place the event as the first in the array because
// the whole point is ensuring the v-model callback gets called before
// user-attached handlers.

function normalizeEvents(on) {
  /* istanbul ignore if */
  if (isDef(on[RANGE_TOKEN])) {
    // IE input[type=range] only supports `change` event
    var event = isIE ? 'change' : 'input';
    on[event] = [].concat(on[RANGE_TOKEN], on[event] || []);
    delete on[RANGE_TOKEN];
  } // This was originally intended to fix #4521 but no longer necessary
  // after 2.5. Keeping it for backwards compat with generated code from < 2.4

  /* istanbul ignore if */


  if (isDef(on[CHECKBOX_RADIO_TOKEN])) {
    on.change = [].concat(on[CHECKBOX_RADIO_TOKEN], on.change || []);
    delete on[CHECKBOX_RADIO_TOKEN];
  }
}

var target$1;

function createOnceHandler$1(event, handler, capture) {
  var _target = target$1; // save current target element in closure

  return function onceHandler() {
    var res = handler.apply(null, arguments);

    if (res !== null) {
      remove$2(event, onceHandler, capture, _target);
    }
  };
} // #9446: Firefox <= 53 (in particular, ESR 52) has incorrect Event.timeStamp
// implementation and does not fire microtasks in between event propagation, so
// safe to exclude.


var useMicrotaskFix = isUsingMicroTask && !(isFF && Number(isFF[1]) <= 53);

function add$1(name, handler, capture, passive) {
  // async edge case #6566: inner click event triggers patch, event handler
  // attached to outer element during patch, and triggered again. This
  // happens because browsers fire microtask ticks between event propagation.
  // the solution is simple: we save the timestamp when a handler is attached,
  // and the handler would only fire if the event passed to it was fired
  // AFTER it was attached.
  if (useMicrotaskFix) {
    var attachedTimestamp = currentFlushTimestamp;
    var original = handler;

    handler = original._wrapper = function (e) {
      if ( // no bubbling, should always fire.
      // this is just a safety net in case event.timeStamp is unreliable in
      // certain weird environments...
      e.target === e.currentTarget || // event is fired after handler attachment
      e.timeStamp >= attachedTimestamp || // bail for environments that have buggy event.timeStamp implementations
      // #9462 iOS 9 bug: event.timeStamp is 0 after history.pushState
      // #9681 QtWebEngine event.timeStamp is negative value
      e.timeStamp <= 0 || // #9448 bail if event is fired in another document in a multi-page
      // electron/nw.js app, since event.timeStamp will be using a different
      // starting reference
      e.target.ownerDocument !== document) {
        return original.apply(this, arguments);
      }
    };
  }

  target$1.addEventListener(name, handler, supportsPassive ? {
    capture: capture,
    passive: passive
  } : capture);
}

function remove$2(name, handler, capture, _target) {
  (_target || target$1).removeEventListener(name, handler._wrapper || handler, capture);
}

function updateDOMListeners(oldVnode, vnode) {
  if (isUndef(oldVnode.data.on) && isUndef(vnode.data.on)) {
    return;
  }

  var on = vnode.data.on || {};
  var oldOn = oldVnode.data.on || {};
  target$1 = vnode.elm;
  normalizeEvents(on);
  updateListeners(on, oldOn, add$1, remove$2, createOnceHandler$1, vnode.context);
  target$1 = undefined;
}

var events = {
  create: updateDOMListeners,
  update: updateDOMListeners
};
/*  */

var svgContainer;

function updateDOMProps(oldVnode, vnode) {
  if (isUndef(oldVnode.data.domProps) && isUndef(vnode.data.domProps)) {
    return;
  }

  var key, cur;
  var elm = vnode.elm;
  var oldProps = oldVnode.data.domProps || {};
  var props = vnode.data.domProps || {}; // clone observed objects, as the user probably wants to mutate it

  if (isDef(props.__ob__)) {
    props = vnode.data.domProps = extend({}, props);
  }

  for (key in oldProps) {
    if (!(key in props)) {
      elm[key] = '';
    }
  }

  for (key in props) {
    cur = props[key]; // ignore children if the node has textContent or innerHTML,
    // as these will throw away existing DOM nodes and cause removal errors
    // on subsequent patches (#3360)

    if (key === 'textContent' || key === 'innerHTML') {
      if (vnode.children) {
        vnode.children.length = 0;
      }

      if (cur === oldProps[key]) {
        continue;
      } // #6601 work around Chrome version <= 55 bug where single textNode
      // replaced by innerHTML/textContent retains its parentNode property


      if (elm.childNodes.length === 1) {
        elm.removeChild(elm.childNodes[0]);
      }
    }

    if (key === 'value' && elm.tagName !== 'PROGRESS') {
      // store value as _value as well since
      // non-string values will be stringified
      elm._value = cur; // avoid resetting cursor position when value is the same

      var strCur = isUndef(cur) ? '' : String(cur);

      if (shouldUpdateValue(elm, strCur)) {
        elm.value = strCur;
      }
    } else if (key === 'innerHTML' && isSVG(elm.tagName) && isUndef(elm.innerHTML)) {
      // IE doesn't support innerHTML for SVG elements
      svgContainer = svgContainer || document.createElement('div');
      svgContainer.innerHTML = "<svg>" + cur + "</svg>";
      var svg = svgContainer.firstChild;

      while (elm.firstChild) {
        elm.removeChild(elm.firstChild);
      }

      while (svg.firstChild) {
        elm.appendChild(svg.firstChild);
      }
    } else if ( // skip the update if old and new VDOM state is the same.
    // `value` is handled separately because the DOM value may be temporarily
    // out of sync with VDOM state due to focus, composition and modifiers.
    // This  #4521 by skipping the unnecessary `checked` update.
    cur !== oldProps[key]) {
      // some property updates can throw
      // e.g. `value` on <progress> w/ non-finite value
      try {
        elm[key] = cur;
      } catch (e) {}
    }
  }
} // check platforms/web/util/attrs.js acceptValue


function shouldUpdateValue(elm, checkVal) {
  return !elm.composing && (elm.tagName === 'OPTION' || isNotInFocusAndDirty(elm, checkVal) || isDirtyWithModifiers(elm, checkVal));
}

function isNotInFocusAndDirty(elm, checkVal) {
  // return true when textbox (.number and .trim) loses focus and its value is
  // not equal to the updated value
  var notInFocus = true; // #6157
  // work around IE bug when accessing document.activeElement in an iframe

  try {
    notInFocus = document.activeElement !== elm;
  } catch (e) {}

  return notInFocus && elm.value !== checkVal;
}

function isDirtyWithModifiers(elm, newVal) {
  var value = elm.value;
  var modifiers = elm._vModifiers; // injected by v-model runtime

  if (isDef(modifiers)) {
    if (modifiers.number) {
      return toNumber(value) !== toNumber(newVal);
    }

    if (modifiers.trim) {
      return value.trim() !== newVal.trim();
    }
  }

  return value !== newVal;
}

var domProps = {
  create: updateDOMProps,
  update: updateDOMProps
};
/*  */

var parseStyleText = cached(function (cssText) {
  var res = {};
  var listDelimiter = /;(?![^(]*\))/g;
  var propertyDelimiter = /:(.+)/;
  cssText.split(listDelimiter).forEach(function (item) {
    if (item) {
      var tmp = item.split(propertyDelimiter);
      tmp.length > 1 && (res[tmp[0].trim()] = tmp[1].trim());
    }
  });
  return res;
}); // merge static and dynamic style data on the same vnode

function normalizeStyleData(data) {
  var style = normalizeStyleBinding(data.style); // static style is pre-processed into an object during compilation
  // and is always a fresh object, so it's safe to merge into it

  return data.staticStyle ? extend(data.staticStyle, style) : style;
} // normalize possible array / string values into Object


function normalizeStyleBinding(bindingStyle) {
  if (Array.isArray(bindingStyle)) {
    return toObject(bindingStyle);
  }

  if (typeof bindingStyle === 'string') {
    return parseStyleText(bindingStyle);
  }

  return bindingStyle;
}
/**
 * parent component style should be after child's
 * so that parent component's style could override it
 */


function getStyle(vnode, checkChild) {
  var res = {};
  var styleData;

  if (checkChild) {
    var childNode = vnode;

    while (childNode.componentInstance) {
      childNode = childNode.componentInstance._vnode;

      if (childNode && childNode.data && (styleData = normalizeStyleData(childNode.data))) {
        extend(res, styleData);
      }
    }
  }

  if (styleData = normalizeStyleData(vnode.data)) {
    extend(res, styleData);
  }

  var parentNode = vnode;

  while (parentNode = parentNode.parent) {
    if (parentNode.data && (styleData = normalizeStyleData(parentNode.data))) {
      extend(res, styleData);
    }
  }

  return res;
}
/*  */


var cssVarRE = /^--/;
var importantRE = /\s*!important$/;

var setProp = function (el, name, val) {
  /* istanbul ignore if */
  if (cssVarRE.test(name)) {
    el.style.setProperty(name, val);
  } else if (importantRE.test(val)) {
    el.style.setProperty(hyphenate(name), val.replace(importantRE, ''), 'important');
  } else {
    var normalizedName = normalize(name);

    if (Array.isArray(val)) {
      // Support values array created by autoprefixer, e.g.
      // {display: ["-webkit-box", "-ms-flexbox", "flex"]}
      // Set them one by one, and the browser will only set those it can recognize
      for (var i = 0, len = val.length; i < len; i++) {
        el.style[normalizedName] = val[i];
      }
    } else {
      el.style[normalizedName] = val;
    }
  }
};

var vendorNames = ['Webkit', 'Moz', 'ms'];
var emptyStyle;
var normalize = cached(function (prop) {
  emptyStyle = emptyStyle || document.createElement('div').style;
  prop = camelize(prop);

  if (prop !== 'filter' && prop in emptyStyle) {
    return prop;
  }

  var capName = prop.charAt(0).toUpperCase() + prop.slice(1);

  for (var i = 0; i < vendorNames.length; i++) {
    var name = vendorNames[i] + capName;

    if (name in emptyStyle) {
      return name;
    }
  }
});

function updateStyle(oldVnode, vnode) {
  var data = vnode.data;
  var oldData = oldVnode.data;

  if (isUndef(data.staticStyle) && isUndef(data.style) && isUndef(oldData.staticStyle) && isUndef(oldData.style)) {
    return;
  }

  var cur, name;
  var el = vnode.elm;
  var oldStaticStyle = oldData.staticStyle;
  var oldStyleBinding = oldData.normalizedStyle || oldData.style || {}; // if static style exists, stylebinding already merged into it when doing normalizeStyleData

  var oldStyle = oldStaticStyle || oldStyleBinding;
  var style = normalizeStyleBinding(vnode.data.style) || {}; // store normalized style under a different key for next diff
  // make sure to clone it if it's reactive, since the user likely wants
  // to mutate it.

  vnode.data.normalizedStyle = isDef(style.__ob__) ? extend({}, style) : style;
  var newStyle = getStyle(vnode, true);

  for (name in oldStyle) {
    if (isUndef(newStyle[name])) {
      setProp(el, name, '');
    }
  }

  for (name in newStyle) {
    cur = newStyle[name];

    if (cur !== oldStyle[name]) {
      // ie9 setting to null has no effect, must use empty string
      setProp(el, name, cur == null ? '' : cur);
    }
  }
}

var style = {
  create: updateStyle,
  update: updateStyle
};
/*  */

var whitespaceRE = /\s+/;
/**
 * Add class with compatibility for SVG since classList is not supported on
 * SVG elements in IE
 */

function addClass(el, cls) {
  /* istanbul ignore if */
  if (!cls || !(cls = cls.trim())) {
    return;
  }
  /* istanbul ignore else */


  if (el.classList) {
    if (cls.indexOf(' ') > -1) {
      cls.split(whitespaceRE).forEach(function (c) {
        return el.classList.add(c);
      });
    } else {
      el.classList.add(cls);
    }
  } else {
    var cur = " " + (el.getAttribute('class') || '') + " ";

    if (cur.indexOf(' ' + cls + ' ') < 0) {
      el.setAttribute('class', (cur + cls).trim());
    }
  }
}
/**
 * Remove class with compatibility for SVG since classList is not supported on
 * SVG elements in IE
 */


function removeClass(el, cls) {
  /* istanbul ignore if */
  if (!cls || !(cls = cls.trim())) {
    return;
  }
  /* istanbul ignore else */


  if (el.classList) {
    if (cls.indexOf(' ') > -1) {
      cls.split(whitespaceRE).forEach(function (c) {
        return el.classList.remove(c);
      });
    } else {
      el.classList.remove(cls);
    }

    if (!el.classList.length) {
      el.removeAttribute('class');
    }
  } else {
    var cur = " " + (el.getAttribute('class') || '') + " ";
    var tar = ' ' + cls + ' ';

    while (cur.indexOf(tar) >= 0) {
      cur = cur.replace(tar, ' ');
    }

    cur = cur.trim();

    if (cur) {
      el.setAttribute('class', cur);
    } else {
      el.removeAttribute('class');
    }
  }
}
/*  */


function resolveTransition(def$$1) {
  if (!def$$1) {
    return;
  }
  /* istanbul ignore else */


  if (typeof def$$1 === 'object') {
    var res = {};

    if (def$$1.css !== false) {
      extend(res, autoCssTransition(def$$1.name || 'v'));
    }

    extend(res, def$$1);
    return res;
  } else if (typeof def$$1 === 'string') {
    return autoCssTransition(def$$1);
  }
}

var autoCssTransition = cached(function (name) {
  return {
    enterClass: name + "-enter",
    enterToClass: name + "-enter-to",
    enterActiveClass: name + "-enter-active",
    leaveClass: name + "-leave",
    leaveToClass: name + "-leave-to",
    leaveActiveClass: name + "-leave-active"
  };
});
var hasTransition = inBrowser && !isIE9;
var TRANSITION = 'transition';
var ANIMATION = 'animation'; // Transition property/event sniffing

var transitionProp = 'transition';
var transitionEndEvent = 'transitionend';
var animationProp = 'animation';
var animationEndEvent = 'animationend';

if (hasTransition) {
  /* istanbul ignore if */
  if (window.ontransitionend === undefined && window.onwebkittransitionend !== undefined) {
    transitionProp = 'WebkitTransition';
    transitionEndEvent = 'webkitTransitionEnd';
  }

  if (window.onanimationend === undefined && window.onwebkitanimationend !== undefined) {
    animationProp = 'WebkitAnimation';
    animationEndEvent = 'webkitAnimationEnd';
  }
} // binding to window is necessary to make hot reload work in IE in strict mode


var raf = inBrowser ? window.requestAnimationFrame ? window.requestAnimationFrame.bind(window) : setTimeout :
/* istanbul ignore next */
function (fn) {
  return fn();
};

function nextFrame(fn) {
  raf(function () {
    raf(fn);
  });
}

function addTransitionClass(el, cls) {
  var transitionClasses = el._transitionClasses || (el._transitionClasses = []);

  if (transitionClasses.indexOf(cls) < 0) {
    transitionClasses.push(cls);
    addClass(el, cls);
  }
}

function removeTransitionClass(el, cls) {
  if (el._transitionClasses) {
    remove(el._transitionClasses, cls);
  }

  removeClass(el, cls);
}

function whenTransitionEnds(el, expectedType, cb) {
  var ref = getTransitionInfo(el, expectedType);
  var type = ref.type;
  var timeout = ref.timeout;
  var propCount = ref.propCount;

  if (!type) {
    return cb();
  }

  var event = type === TRANSITION ? transitionEndEvent : animationEndEvent;
  var ended = 0;

  var end = function () {
    el.removeEventListener(event, onEnd);
    cb();
  };

  var onEnd = function (e) {
    if (e.target === el) {
      if (++ended >= propCount) {
        end();
      }
    }
  };

  setTimeout(function () {
    if (ended < propCount) {
      end();
    }
  }, timeout + 1);
  el.addEventListener(event, onEnd);
}

var transformRE = /\b(transform|all)(,|$)/;

function getTransitionInfo(el, expectedType) {
  var styles = window.getComputedStyle(el); // JSDOM may return undefined for transition properties

  var transitionDelays = (styles[transitionProp + 'Delay'] || '').split(', ');
  var transitionDurations = (styles[transitionProp + 'Duration'] || '').split(', ');
  var transitionTimeout = getTimeout(transitionDelays, transitionDurations);
  var animationDelays = (styles[animationProp + 'Delay'] || '').split(', ');
  var animationDurations = (styles[animationProp + 'Duration'] || '').split(', ');
  var animationTimeout = getTimeout(animationDelays, animationDurations);
  var type;
  var timeout = 0;
  var propCount = 0;
  /* istanbul ignore if */

  if (expectedType === TRANSITION) {
    if (transitionTimeout > 0) {
      type = TRANSITION;
      timeout = transitionTimeout;
      propCount = transitionDurations.length;
    }
  } else if (expectedType === ANIMATION) {
    if (animationTimeout > 0) {
      type = ANIMATION;
      timeout = animationTimeout;
      propCount = animationDurations.length;
    }
  } else {
    timeout = Math.max(transitionTimeout, animationTimeout);
    type = timeout > 0 ? transitionTimeout > animationTimeout ? TRANSITION : ANIMATION : null;
    propCount = type ? type === TRANSITION ? transitionDurations.length : animationDurations.length : 0;
  }

  var hasTransform = type === TRANSITION && transformRE.test(styles[transitionProp + 'Property']);
  return {
    type: type,
    timeout: timeout,
    propCount: propCount,
    hasTransform: hasTransform
  };
}

function getTimeout(delays, durations) {
  /* istanbul ignore next */
  while (delays.length < durations.length) {
    delays = delays.concat(delays);
  }

  return Math.max.apply(null, durations.map(function (d, i) {
    return toMs(d) + toMs(delays[i]);
  }));
} // Old versions of Chromium (below 61.0.3163.100) formats floating pointer numbers
// in a locale-dependent way, using a comma instead of a dot.
// If comma is not replaced with a dot, the input will be rounded down (i.e. acting
// as a floor function) causing unexpected behaviors


function toMs(s) {
  return Number(s.slice(0, -1).replace(',', '.')) * 1000;
}
/*  */


function enter(vnode, toggleDisplay) {
  var el = vnode.elm; // call leave callback now

  if (isDef(el._leaveCb)) {
    el._leaveCb.cancelled = true;

    el._leaveCb();
  }

  var data = resolveTransition(vnode.data.transition);

  if (isUndef(data)) {
    return;
  }
  /* istanbul ignore if */


  if (isDef(el._enterCb) || el.nodeType !== 1) {
    return;
  }

  var css = data.css;
  var type = data.type;
  var enterClass = data.enterClass;
  var enterToClass = data.enterToClass;
  var enterActiveClass = data.enterActiveClass;
  var appearClass = data.appearClass;
  var appearToClass = data.appearToClass;
  var appearActiveClass = data.appearActiveClass;
  var beforeEnter = data.beforeEnter;
  var enter = data.enter;
  var afterEnter = data.afterEnter;
  var enterCancelled = data.enterCancelled;
  var beforeAppear = data.beforeAppear;
  var appear = data.appear;
  var afterAppear = data.afterAppear;
  var appearCancelled = data.appearCancelled;
  var duration = data.duration; // activeInstance will always be the <transition> component managing this
  // transition. One edge case to check is when the <transition> is placed
  // as the root node of a child component. In that case we need to check
  // <transition>'s parent for appear check.

  var context = activeInstance;
  var transitionNode = activeInstance.$vnode;

  while (transitionNode && transitionNode.parent) {
    context = transitionNode.context;
    transitionNode = transitionNode.parent;
  }

  var isAppear = !context._isMounted || !vnode.isRootInsert;

  if (isAppear && !appear && appear !== '') {
    return;
  }

  var startClass = isAppear && appearClass ? appearClass : enterClass;
  var activeClass = isAppear && appearActiveClass ? appearActiveClass : enterActiveClass;
  var toClass = isAppear && appearToClass ? appearToClass : enterToClass;
  var beforeEnterHook = isAppear ? beforeAppear || beforeEnter : beforeEnter;
  var enterHook = isAppear ? typeof appear === 'function' ? appear : enter : enter;
  var afterEnterHook = isAppear ? afterAppear || afterEnter : afterEnter;
  var enterCancelledHook = isAppear ? appearCancelled || enterCancelled : enterCancelled;
  var explicitEnterDuration = toNumber(isObject(duration) ? duration.enter : duration);

  if ( true && explicitEnterDuration != null) {
    checkDuration(explicitEnterDuration, 'enter', vnode);
  }

  var expectsCSS = css !== false && !isIE9;
  var userWantsControl = getHookArgumentsLength(enterHook);
  var cb = el._enterCb = once(function () {
    if (expectsCSS) {
      removeTransitionClass(el, toClass);
      removeTransitionClass(el, activeClass);
    }

    if (cb.cancelled) {
      if (expectsCSS) {
        removeTransitionClass(el, startClass);
      }

      enterCancelledHook && enterCancelledHook(el);
    } else {
      afterEnterHook && afterEnterHook(el);
    }

    el._enterCb = null;
  });

  if (!vnode.data.show) {
    // remove pending leave element on enter by injecting an insert hook
    mergeVNodeHook(vnode, 'insert', function () {
      var parent = el.parentNode;
      var pendingNode = parent && parent._pending && parent._pending[vnode.key];

      if (pendingNode && pendingNode.tag === vnode.tag && pendingNode.elm._leaveCb) {
        pendingNode.elm._leaveCb();
      }

      enterHook && enterHook(el, cb);
    });
  } // start enter transition


  beforeEnterHook && beforeEnterHook(el);

  if (expectsCSS) {
    addTransitionClass(el, startClass);
    addTransitionClass(el, activeClass);
    nextFrame(function () {
      removeTransitionClass(el, startClass);

      if (!cb.cancelled) {
        addTransitionClass(el, toClass);

        if (!userWantsControl) {
          if (isValidDuration(explicitEnterDuration)) {
            setTimeout(cb, explicitEnterDuration);
          } else {
            whenTransitionEnds(el, type, cb);
          }
        }
      }
    });
  }

  if (vnode.data.show) {
    toggleDisplay && toggleDisplay();
    enterHook && enterHook(el, cb);
  }

  if (!expectsCSS && !userWantsControl) {
    cb();
  }
}

function leave(vnode, rm) {
  var el = vnode.elm; // call enter callback now

  if (isDef(el._enterCb)) {
    el._enterCb.cancelled = true;

    el._enterCb();
  }

  var data = resolveTransition(vnode.data.transition);

  if (isUndef(data) || el.nodeType !== 1) {
    return rm();
  }
  /* istanbul ignore if */


  if (isDef(el._leaveCb)) {
    return;
  }

  var css = data.css;
  var type = data.type;
  var leaveClass = data.leaveClass;
  var leaveToClass = data.leaveToClass;
  var leaveActiveClass = data.leaveActiveClass;
  var beforeLeave = data.beforeLeave;
  var leave = data.leave;
  var afterLeave = data.afterLeave;
  var leaveCancelled = data.leaveCancelled;
  var delayLeave = data.delayLeave;
  var duration = data.duration;
  var expectsCSS = css !== false && !isIE9;
  var userWantsControl = getHookArgumentsLength(leave);
  var explicitLeaveDuration = toNumber(isObject(duration) ? duration.leave : duration);

  if ( true && isDef(explicitLeaveDuration)) {
    checkDuration(explicitLeaveDuration, 'leave', vnode);
  }

  var cb = el._leaveCb = once(function () {
    if (el.parentNode && el.parentNode._pending) {
      el.parentNode._pending[vnode.key] = null;
    }

    if (expectsCSS) {
      removeTransitionClass(el, leaveToClass);
      removeTransitionClass(el, leaveActiveClass);
    }

    if (cb.cancelled) {
      if (expectsCSS) {
        removeTransitionClass(el, leaveClass);
      }

      leaveCancelled && leaveCancelled(el);
    } else {
      rm();
      afterLeave && afterLeave(el);
    }

    el._leaveCb = null;
  });

  if (delayLeave) {
    delayLeave(performLeave);
  } else {
    performLeave();
  }

  function performLeave() {
    // the delayed leave may have already been cancelled
    if (cb.cancelled) {
      return;
    } // record leaving element


    if (!vnode.data.show && el.parentNode) {
      (el.parentNode._pending || (el.parentNode._pending = {}))[vnode.key] = vnode;
    }

    beforeLeave && beforeLeave(el);

    if (expectsCSS) {
      addTransitionClass(el, leaveClass);
      addTransitionClass(el, leaveActiveClass);
      nextFrame(function () {
        removeTransitionClass(el, leaveClass);

        if (!cb.cancelled) {
          addTransitionClass(el, leaveToClass);

          if (!userWantsControl) {
            if (isValidDuration(explicitLeaveDuration)) {
              setTimeout(cb, explicitLeaveDuration);
            } else {
              whenTransitionEnds(el, type, cb);
            }
          }
        }
      });
    }

    leave && leave(el, cb);

    if (!expectsCSS && !userWantsControl) {
      cb();
    }
  }
} // only used in dev mode


function checkDuration(val, name, vnode) {
  if (typeof val !== 'number') {
    warn("<transition> explicit " + name + " duration is not a valid number - " + "got " + JSON.stringify(val) + ".", vnode.context);
  } else if (isNaN(val)) {
    warn("<transition> explicit " + name + " duration is NaN - " + 'the duration expression might be incorrect.', vnode.context);
  }
}

function isValidDuration(val) {
  return typeof val === 'number' && !isNaN(val);
}
/**
 * Normalize a transition hook's argument length. The hook may be:
 * - a merged hook (invoker) with the original in .fns
 * - a wrapped component method (check ._length)
 * - a plain function (.length)
 */


function getHookArgumentsLength(fn) {
  if (isUndef(fn)) {
    return false;
  }

  var invokerFns = fn.fns;

  if (isDef(invokerFns)) {
    // invoker
    return getHookArgumentsLength(Array.isArray(invokerFns) ? invokerFns[0] : invokerFns);
  } else {
    return (fn._length || fn.length) > 1;
  }
}

function _enter(_, vnode) {
  if (vnode.data.show !== true) {
    enter(vnode);
  }
}

var transition = inBrowser ? {
  create: _enter,
  activate: _enter,
  remove: function remove$$1(vnode, rm) {
    /* istanbul ignore else */
    if (vnode.data.show !== true) {
      leave(vnode, rm);
    } else {
      rm();
    }
  }
} : {};
var platformModules = [attrs, klass, events, domProps, style, transition];
/*  */
// the directive module should be applied last, after all
// built-in modules have been applied.

var modules = platformModules.concat(baseModules);
var patch = createPatchFunction({
  nodeOps: nodeOps,
  modules: modules
});
/**
 * Not type checking this file because flow doesn't like attaching
 * properties to Elements.
 */

/* istanbul ignore if */

if (isIE9) {
  // http://www.matts411.com/post/internet-explorer-9-oninput/
  document.addEventListener('selectionchange', function () {
    var el = document.activeElement;

    if (el && el.vmodel) {
      trigger(el, 'input');
    }
  });
}

var directive = {
  inserted: function inserted(el, binding, vnode, oldVnode) {
    if (vnode.tag === 'select') {
      // #6903
      if (oldVnode.elm && !oldVnode.elm._vOptions) {
        mergeVNodeHook(vnode, 'postpatch', function () {
          directive.componentUpdated(el, binding, vnode);
        });
      } else {
        setSelected(el, binding, vnode.context);
      }

      el._vOptions = [].map.call(el.options, getValue);
    } else if (vnode.tag === 'textarea' || isTextInputType(el.type)) {
      el._vModifiers = binding.modifiers;

      if (!binding.modifiers.lazy) {
        el.addEventListener('compositionstart', onCompositionStart);
        el.addEventListener('compositionend', onCompositionEnd); // Safari < 10.2 & UIWebView doesn't fire compositionend when
        // switching focus before confirming composition choice
        // this also fixes the issue where some browsers e.g. iOS Chrome
        // fires "change" instead of "input" on autocomplete.

        el.addEventListener('change', onCompositionEnd);
        /* istanbul ignore if */

        if (isIE9) {
          el.vmodel = true;
        }
      }
    }
  },
  componentUpdated: function componentUpdated(el, binding, vnode) {
    if (vnode.tag === 'select') {
      setSelected(el, binding, vnode.context); // in case the options rendered by v-for have changed,
      // it's possible that the value is out-of-sync with the rendered options.
      // detect such cases and filter out values that no longer has a matching
      // option in the DOM.

      var prevOptions = el._vOptions;
      var curOptions = el._vOptions = [].map.call(el.options, getValue);

      if (curOptions.some(function (o, i) {
        return !looseEqual(o, prevOptions[i]);
      })) {
        // trigger change event if
        // no matching option found for at least one value
        var needReset = el.multiple ? binding.value.some(function (v) {
          return hasNoMatchingOption(v, curOptions);
        }) : binding.value !== binding.oldValue && hasNoMatchingOption(binding.value, curOptions);

        if (needReset) {
          trigger(el, 'change');
        }
      }
    }
  }
};

function setSelected(el, binding, vm) {
  actuallySetSelected(el, binding, vm);
  /* istanbul ignore if */

  if (isIE || isEdge) {
    setTimeout(function () {
      actuallySetSelected(el, binding, vm);
    }, 0);
  }
}

function actuallySetSelected(el, binding, vm) {
  var value = binding.value;
  var isMultiple = el.multiple;

  if (isMultiple && !Array.isArray(value)) {
     true && warn("<select multiple v-model=\"" + binding.expression + "\"> " + "expects an Array value for its binding, but got " + Object.prototype.toString.call(value).slice(8, -1), vm);
    return;
  }

  var selected, option;

  for (var i = 0, l = el.options.length; i < l; i++) {
    option = el.options[i];

    if (isMultiple) {
      selected = looseIndexOf(value, getValue(option)) > -1;

      if (option.selected !== selected) {
        option.selected = selected;
      }
    } else {
      if (looseEqual(getValue(option), value)) {
        if (el.selectedIndex !== i) {
          el.selectedIndex = i;
        }

        return;
      }
    }
  }

  if (!isMultiple) {
    el.selectedIndex = -1;
  }
}

function hasNoMatchingOption(value, options) {
  return options.every(function (o) {
    return !looseEqual(o, value);
  });
}

function getValue(option) {
  return '_value' in option ? option._value : option.value;
}

function onCompositionStart(e) {
  e.target.composing = true;
}

function onCompositionEnd(e) {
  // prevent triggering an input event for no reason
  if (!e.target.composing) {
    return;
  }

  e.target.composing = false;
  trigger(e.target, 'input');
}

function trigger(el, type) {
  var e = document.createEvent('HTMLEvents');
  e.initEvent(type, true, true);
  el.dispatchEvent(e);
}
/*  */
// recursively search for possible transition defined inside the component root


function locateNode(vnode) {
  return vnode.componentInstance && (!vnode.data || !vnode.data.transition) ? locateNode(vnode.componentInstance._vnode) : vnode;
}

var show = {
  bind: function bind(el, ref, vnode) {
    var value = ref.value;
    vnode = locateNode(vnode);
    var transition$$1 = vnode.data && vnode.data.transition;
    var originalDisplay = el.__vOriginalDisplay = el.style.display === 'none' ? '' : el.style.display;

    if (value && transition$$1) {
      vnode.data.show = true;
      enter(vnode, function () {
        el.style.display = originalDisplay;
      });
    } else {
      el.style.display = value ? originalDisplay : 'none';
    }
  },
  update: function update(el, ref, vnode) {
    var value = ref.value;
    var oldValue = ref.oldValue;
    /* istanbul ignore if */

    if (!value === !oldValue) {
      return;
    }

    vnode = locateNode(vnode);
    var transition$$1 = vnode.data && vnode.data.transition;

    if (transition$$1) {
      vnode.data.show = true;

      if (value) {
        enter(vnode, function () {
          el.style.display = el.__vOriginalDisplay;
        });
      } else {
        leave(vnode, function () {
          el.style.display = 'none';
        });
      }
    } else {
      el.style.display = value ? el.__vOriginalDisplay : 'none';
    }
  },
  unbind: function unbind(el, binding, vnode, oldVnode, isDestroy) {
    if (!isDestroy) {
      el.style.display = el.__vOriginalDisplay;
    }
  }
};
var platformDirectives = {
  model: directive,
  show: show
};
/*  */

var transitionProps = {
  name: String,
  appear: Boolean,
  css: Boolean,
  mode: String,
  type: String,
  enterClass: String,
  leaveClass: String,
  enterToClass: String,
  leaveToClass: String,
  enterActiveClass: String,
  leaveActiveClass: String,
  appearClass: String,
  appearActiveClass: String,
  appearToClass: String,
  duration: [Number, String, Object]
}; // in case the child is also an abstract component, e.g. <keep-alive>
// we want to recursively retrieve the real component to be rendered

function getRealChild(vnode) {
  var compOptions = vnode && vnode.componentOptions;

  if (compOptions && compOptions.Ctor.options.abstract) {
    return getRealChild(getFirstComponentChild(compOptions.children));
  } else {
    return vnode;
  }
}

function extractTransitionData(comp) {
  var data = {};
  var options = comp.$options; // props

  for (var key in options.propsData) {
    data[key] = comp[key];
  } // events.
  // extract listeners and pass them directly to the transition methods


  var listeners = options._parentListeners;

  for (var key$1 in listeners) {
    data[camelize(key$1)] = listeners[key$1];
  }

  return data;
}

function placeholder(h, rawChild) {
  if (/\d-keep-alive$/.test(rawChild.tag)) {
    return h('keep-alive', {
      props: rawChild.componentOptions.propsData
    });
  }
}

function hasParentTransition(vnode) {
  while (vnode = vnode.parent) {
    if (vnode.data.transition) {
      return true;
    }
  }
}

function isSameChild(child, oldChild) {
  return oldChild.key === child.key && oldChild.tag === child.tag;
}

var isNotTextNode = function (c) {
  return c.tag || isAsyncPlaceholder(c);
};

var isVShowDirective = function (d) {
  return d.name === 'show';
};

var Transition = {
  name: 'transition',
  props: transitionProps,
  abstract: true,
  render: function render(h) {
    var this$1 = this;
    var children = this.$slots.default;

    if (!children) {
      return;
    } // filter out text nodes (possible whitespaces)


    children = children.filter(isNotTextNode);
    /* istanbul ignore if */

    if (!children.length) {
      return;
    } // warn multiple elements


    if ( true && children.length > 1) {
      warn('<transition> can only be used on a single element. Use ' + '<transition-group> for lists.', this.$parent);
    }

    var mode = this.mode; // warn invalid mode

    if ( true && mode && mode !== 'in-out' && mode !== 'out-in') {
      warn('invalid <transition> mode: ' + mode, this.$parent);
    }

    var rawChild = children[0]; // if this is a component root node and the component's
    // parent container node also has transition, skip.

    if (hasParentTransition(this.$vnode)) {
      return rawChild;
    } // apply transition data to child
    // use getRealChild() to ignore abstract components e.g. keep-alive


    var child = getRealChild(rawChild);
    /* istanbul ignore if */

    if (!child) {
      return rawChild;
    }

    if (this._leaving) {
      return placeholder(h, rawChild);
    } // ensure a key that is unique to the vnode type and to this transition
    // component instance. This key will be used to remove pending leaving nodes
    // during entering.


    var id = "__transition-" + this._uid + "-";
    child.key = child.key == null ? child.isComment ? id + 'comment' : id + child.tag : isPrimitive(child.key) ? String(child.key).indexOf(id) === 0 ? child.key : id + child.key : child.key;
    var data = (child.data || (child.data = {})).transition = extractTransitionData(this);
    var oldRawChild = this._vnode;
    var oldChild = getRealChild(oldRawChild); // mark v-show
    // so that the transition module can hand over the control to the directive

    if (child.data.directives && child.data.directives.some(isVShowDirective)) {
      child.data.show = true;
    }

    if (oldChild && oldChild.data && !isSameChild(child, oldChild) && !isAsyncPlaceholder(oldChild) && // #6687 component root is a comment node
    !(oldChild.componentInstance && oldChild.componentInstance._vnode.isComment)) {
      // replace old child transition data with fresh one
      // important for dynamic transitions!
      var oldData = oldChild.data.transition = extend({}, data); // handle transition mode

      if (mode === 'out-in') {
        // return placeholder node and queue update when leave finishes
        this._leaving = true;
        mergeVNodeHook(oldData, 'afterLeave', function () {
          this$1._leaving = false;
          this$1.$forceUpdate();
        });
        return placeholder(h, rawChild);
      } else if (mode === 'in-out') {
        if (isAsyncPlaceholder(child)) {
          return oldRawChild;
        }

        var delayedLeave;

        var performLeave = function () {
          delayedLeave();
        };

        mergeVNodeHook(data, 'afterEnter', performLeave);
        mergeVNodeHook(data, 'enterCancelled', performLeave);
        mergeVNodeHook(oldData, 'delayLeave', function (leave) {
          delayedLeave = leave;
        });
      }
    }

    return rawChild;
  }
};
/*  */

var props = extend({
  tag: String,
  moveClass: String
}, transitionProps);
delete props.mode;
var TransitionGroup = {
  props: props,
  beforeMount: function beforeMount() {
    var this$1 = this;
    var update = this._update;

    this._update = function (vnode, hydrating) {
      var restoreActiveInstance = setActiveInstance(this$1); // force removing pass

      this$1.__patch__(this$1._vnode, this$1.kept, false, // hydrating
      true // removeOnly (!important, avoids unnecessary moves)
      );

      this$1._vnode = this$1.kept;
      restoreActiveInstance();
      update.call(this$1, vnode, hydrating);
    };
  },
  render: function render(h) {
    var tag = this.tag || this.$vnode.data.tag || 'span';
    var map = Object.create(null);
    var prevChildren = this.prevChildren = this.children;
    var rawChildren = this.$slots.default || [];
    var children = this.children = [];
    var transitionData = extractTransitionData(this);

    for (var i = 0; i < rawChildren.length; i++) {
      var c = rawChildren[i];

      if (c.tag) {
        if (c.key != null && String(c.key).indexOf('__vlist') !== 0) {
          children.push(c);
          map[c.key] = c;
          (c.data || (c.data = {})).transition = transitionData;
        } else if (true) {
          var opts = c.componentOptions;
          var name = opts ? opts.Ctor.options.name || opts.tag || '' : c.tag;
          warn("<transition-group> children must be keyed: <" + name + ">");
        }
      }
    }

    if (prevChildren) {
      var kept = [];
      var removed = [];

      for (var i$1 = 0; i$1 < prevChildren.length; i$1++) {
        var c$1 = prevChildren[i$1];
        c$1.data.transition = transitionData;
        c$1.data.pos = c$1.elm.getBoundingClientRect();

        if (map[c$1.key]) {
          kept.push(c$1);
        } else {
          removed.push(c$1);
        }
      }

      this.kept = h(tag, null, kept);
      this.removed = removed;
    }

    return h(tag, null, children);
  },
  updated: function updated() {
    var children = this.prevChildren;
    var moveClass = this.moveClass || (this.name || 'v') + '-move';

    if (!children.length || !this.hasMove(children[0].elm, moveClass)) {
      return;
    } // we divide the work into three loops to avoid mixing DOM reads and writes
    // in each iteration - which helps prevent layout thrashing.


    children.forEach(callPendingCbs);
    children.forEach(recordPosition);
    children.forEach(applyTranslation); // force reflow to put everything in position
    // assign to this to avoid being removed in tree-shaking
    // $flow-disable-line

    this._reflow = document.body.offsetHeight;
    children.forEach(function (c) {
      if (c.data.moved) {
        var el = c.elm;
        var s = el.style;
        addTransitionClass(el, moveClass);
        s.transform = s.WebkitTransform = s.transitionDuration = '';
        el.addEventListener(transitionEndEvent, el._moveCb = function cb(e) {
          if (e && e.target !== el) {
            return;
          }

          if (!e || /transform$/.test(e.propertyName)) {
            el.removeEventListener(transitionEndEvent, cb);
            el._moveCb = null;
            removeTransitionClass(el, moveClass);
          }
        });
      }
    });
  },
  methods: {
    hasMove: function hasMove(el, moveClass) {
      /* istanbul ignore if */
      if (!hasTransition) {
        return false;
      }
      /* istanbul ignore if */


      if (this._hasMove) {
        return this._hasMove;
      } // Detect whether an element with the move class applied has
      // CSS transitions. Since the element may be inside an entering
      // transition at this very moment, we make a clone of it and remove
      // all other transition classes applied to ensure only the move class
      // is applied.


      var clone = el.cloneNode();

      if (el._transitionClasses) {
        el._transitionClasses.forEach(function (cls) {
          removeClass(clone, cls);
        });
      }

      addClass(clone, moveClass);
      clone.style.display = 'none';
      this.$el.appendChild(clone);
      var info = getTransitionInfo(clone);
      this.$el.removeChild(clone);
      return this._hasMove = info.hasTransform;
    }
  }
};

function callPendingCbs(c) {
  /* istanbul ignore if */
  if (c.elm._moveCb) {
    c.elm._moveCb();
  }
  /* istanbul ignore if */


  if (c.elm._enterCb) {
    c.elm._enterCb();
  }
}

function recordPosition(c) {
  c.data.newPos = c.elm.getBoundingClientRect();
}

function applyTranslation(c) {
  var oldPos = c.data.pos;
  var newPos = c.data.newPos;
  var dx = oldPos.left - newPos.left;
  var dy = oldPos.top - newPos.top;

  if (dx || dy) {
    c.data.moved = true;
    var s = c.elm.style;
    s.transform = s.WebkitTransform = "translate(" + dx + "px," + dy + "px)";
    s.transitionDuration = '0s';
  }
}

var platformComponents = {
  Transition: Transition,
  TransitionGroup: TransitionGroup
};
/*  */
// install platform specific utils

Vue.config.mustUseProp = mustUseProp;
Vue.config.isReservedTag = isReservedTag;
Vue.config.isReservedAttr = isReservedAttr;
Vue.config.getTagNamespace = getTagNamespace;
Vue.config.isUnknownElement = isUnknownElement; // install platform runtime directives & components

extend(Vue.options.directives, platformDirectives);
extend(Vue.options.components, platformComponents); // install platform patch function

Vue.prototype.__patch__ = inBrowser ? patch : noop; // public mount method

Vue.prototype.$mount = function (el, hydrating) {
  el = el && inBrowser ? query(el) : undefined;
  return mountComponent(this, el, hydrating);
}; // devtools global hook

/* istanbul ignore next */


if (inBrowser) {
  setTimeout(function () {
    if (config.devtools) {
      if (devtools) {
        devtools.emit('init', Vue);
      } else if (true) {
        console[console.info ? 'info' : 'log']('Download the Vue Devtools extension for a better development experience:\n' + 'https://github.com/vuejs/vue-devtools');
      }
    }

    if ( true && config.productionTip !== false && typeof console !== 'undefined') {
      console[console.info ? 'info' : 'log']("You are running Vue in development mode.\n" + "Make sure to turn on production mode when deploying for production.\n" + "See more tips at https://vuejs.org/guide/deployment.html");
    }
  }, 0);
}
/*  */


/* harmony default export */ const __WEBPACK_DEFAULT_EXPORT__ = (Vue);

/***/ })
/******/ 	]);
/************************************************************************/
/******/ 	// The module cache
/******/ 	var __webpack_module_cache__ = {};
/******/ 	
/******/ 	// The require function
/******/ 	function __webpack_require__(moduleId) {
/******/ 		// Check if module is in cache
/******/ 		var cachedModule = __webpack_module_cache__[moduleId];
/******/ 		if (cachedModule !== undefined) {
/******/ 			return cachedModule.exports;
/******/ 		}
/******/ 		// Create a new module (and put it into the cache)
/******/ 		var module = __webpack_module_cache__[moduleId] = {
/******/ 			id: moduleId,
/******/ 			// no module.loaded needed
/******/ 			exports: {}
/******/ 		};
/******/ 	
/******/ 		// Execute the module function
/******/ 		__webpack_modules__[moduleId].call(module.exports, module, module.exports, __webpack_require__);
/******/ 	
/******/ 		// Return the exports of the module
/******/ 		return module.exports;
/******/ 	}
/******/ 	
/******/ 	// expose the modules object (__webpack_modules__)
/******/ 	__webpack_require__.m = __webpack_modules__;
/******/ 	
/************************************************************************/
/******/ 	/* webpack/runtime/compat get default export */
/******/ 	(() => {
/******/ 		// getDefaultExport function for compatibility with non-harmony modules
/******/ 		__webpack_require__.n = (module) => {
/******/ 			var getter = module && module.__esModule ?
/******/ 				() => (module['default']) :
/******/ 				() => (module);
/******/ 			__webpack_require__.d(getter, { a: getter });
/******/ 			return getter;
/******/ 		};
/******/ 	})();
/******/ 	
/******/ 	/* webpack/runtime/define property getters */
/******/ 	(() => {
/******/ 		// define getter functions for harmony exports
/******/ 		__webpack_require__.d = (exports, definition) => {
/******/ 			for(var key in definition) {
/******/ 				if(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {
/******/ 					Object.defineProperty(exports, key, { enumerable: true, get: definition[key] });
/******/ 				}
/******/ 			}
/******/ 		};
/******/ 	})();
/******/ 	
/******/ 	/* webpack/runtime/global */
/******/ 	(() => {
/******/ 		__webpack_require__.g = (function() {
/******/ 			if (typeof globalThis === 'object') return globalThis;
/******/ 			try {
/******/ 				return this || new Function('return this')();
/******/ 			} catch (e) {
/******/ 				if (typeof window === 'object') return window;
/******/ 			}
/******/ 		})();
/******/ 	})();
/******/ 	
/******/ 	/* webpack/runtime/hasOwnProperty shorthand */
/******/ 	(() => {
/******/ 		__webpack_require__.o = (obj, prop) => (Object.prototype.hasOwnProperty.call(obj, prop))
/******/ 	})();
/******/ 	
/******/ 	/* webpack/runtime/make namespace object */
/******/ 	(() => {
/******/ 		// define __esModule on exports
/******/ 		__webpack_require__.r = (exports) => {
/******/ 			if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
/******/ 				Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
/******/ 			}
/******/ 			Object.defineProperty(exports, '__esModule', { value: true });
/******/ 		};
/******/ 	})();
/******/ 	
/******/ 	/* webpack/runtime/jsonp chunk loading */
/******/ 	(() => {
/******/ 		__webpack_require__.b = document.baseURI || self.location.href;
/******/ 		
/******/ 		// object to store loaded and loading chunks
/******/ 		// undefined = chunk not loaded, null = chunk preloaded/prefetched
/******/ 		// [resolve, reject, Promise] = chunk loading, 0 = chunk loaded
/******/ 		var installedChunks = {
/******/ 			0: 0
/******/ 		};
/******/ 		
/******/ 		// no chunk on demand loading
/******/ 		
/******/ 		// no prefetching
/******/ 		
/******/ 		// no preloaded
/******/ 		
/******/ 		// no HMR
/******/ 		
/******/ 		// no HMR manifest
/******/ 		
/******/ 		// no on chunks loaded
/******/ 		
/******/ 		// no jsonp function
/******/ 	})();
/******/ 	
/************************************************************************/
var __webpack_exports__ = {};
// This entry need to be wrapped in an IIFE because it need to be in strict mode.
(() => {
"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "default": () => (__WEBPACK_DEFAULT_EXPORT__)
/* harmony export */ });
/* harmony import */ var vue__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(25);




const $ = __webpack_require__(1);

const defaultParser = __webpack_require__(2);

const {
  getCurrentTime,
  deepCopy,
  isActiveWindow,
  safePath
} = __webpack_require__(4);

const {
  enableDrag
} = __webpack_require__(5);

const md5 = __webpack_require__(3);

const FAIL_TO_DEFAULT = 999;
const DEFAULT_INTER = 50;
const pionero = 'mono-pionero';
const win = unsafeWindow || window;

if (!win[pionero]) {
  let listener;
  const origOpen = XMLHttpRequest.prototype.open;

  XMLHttpRequest.prototype.open = function (method, url, ...rest) {
    this.addEventListener('load', function () {
      try {
        const data = {
          method,
          url,
          resp: this.responseText
        };
        if (listener) listener(data);
      } catch (e) {}
    });
    origOpen.call(this, method, url, ...rest);
  };

  const originFetch = fetch;

  win.fetch = async (url, request) => {
    const response = await originFetch(url, request);

    try {
      const data = {
        method,
        url,
        resp: await response.text()
      };
      if (listener) listener(data);
    } catch (e) {}

    return response;
  };

  win[pionero] = {
    onRequest: func => {
      listener = func;
    }
  };
} else {
  console.log('use window pionero!');
}

class DownloadManager {
  constructor({
    parser,
    interval
  }) {
    this.items = {};
    this.setParser(parser);
    this.start(interval);
  }

  start(interval) {
    this.interval = Number(interval) || DEFAULT_INTER;
    $(document).ready(() => {
      enableDrag('mono-dsg-btn');
      this.updateItems();
    });
  }

  setParser(parser) {
    if (parser && typeof parser === 'function') this.parser = parser;
    if (!this.parser) this.parser = defaultParser;
  }

  async updateItems() {
    // 如果不是当前tab且不是自动下载的状态,就降频刷新
    if (!isActiveWindow()) {
      //  && !settings.useAuto
      return setTimeout(() => this.updateItems(), this.interval * 100);
    }

    let items;

    try {
      items = await this.parser();
    } catch (error) {
      // failover to defaultParser
      if (error === FAIL_TO_DEFAULT && this.parser != defaultParser) {
        items = await defaultParser();
      } else {
        console.log("parser error", error);
      }
    }

    if (items) this.renderItems(items); // autoDownload();

    setTimeout(() => this.updateItems(), this.interval);
  }

  renderItems(newItems) {
    for (var i in newItems) {
      var item = newItems[i];
      var oldItem = this.items[item.id];

      if (oldItem && oldItem.$vm) {
        // 找到id,就不做任何操作了
        if ($(`#${oldItem.$vm.id}`).length > 0) continue;
        if (oldItem.meta != item.meta && oldItem.$vm) oldItem.$vm.remove();
      } else {
        this.items[item.id] = item;
      }

      this.renderItem(item);
    }
  }

  renderItem(item) {
    if (!item.container) return;
    const key = 'data-mono-descargar';
    const children = $(item.container).find(`[${key}]`); // 如果container下已经有按钮了,需要检查,避免重复添加

    if (children.length > 0) {
      for (let i = 0; i < children.length; i++) {
        if (item.id == children[i].id) return;
        $(children[i]).remove();
      }
    }

    const btnView = (__webpack_require__(6)["default"]);

    const vm = new vue__WEBPACK_IMPORTED_MODULE_0__["default"]({
      render: h => h(btnView, {
        props: {
          item
        }
      })
    }).$mount();
    item.container.appendChild(vm.$el);
    item.$vm = vm.$children[0];
    item.$vm.$on('download', this.download);
  }

  download(item) {
    const meta = item.meta || {};
    meta.pageUrl = window?.location?.href;
    meta.pageTitle = document?.title;
    const name = safePath(meta.name || 'mono-' + md5(item.url) + '.mp4');
    const headers = {
      referer: meta.pageUrl,
      ...(meta.headers || {})
    };
    const opts = {
      url: item.url,
      name,
      headers,
      meta,
      onprogress: res => {
        let progress = 0;

        if (typeof res === 'object' && res.loaded > 0 && res.total > 0) {
          progress = Number(res.loaded / res.total);
        }

        if (!isNaN(progress) && progress > 0) item.progress = progress;
      },
      onerror: res => {
        console.log('onerror', res);
        setTimeout(() => item.status = 'init', 500);
      },
      onload: res => {
        console.log('onload', res);
        item.status = 'done';
      }
    }; // download handler

    if (meta.m3u8Data) {
      opts.data = meta.m3u8Data;
      opts.type = 'm3u8';
    } else if (meta.audio) {
      opts.data = meta.audio;
      opts.type = 'merge';
    } else if (!opts.type) {
      opts.type = 'download';
    }

    console.log('on download', opts);
    GM_download(opts);
  }

}

let instance;
/* harmony default export */ const __WEBPACK_DEFAULT_EXPORT__ = ({
  FAIL_TO_DEFAULT,
  jQuery: $,
  md5,
  onRequest: win[pionero].onRequest,
  init: options => {
    if (!instance) instance = new DownloadManager(options || {});
    return instance;
  }
});
})();

window["mono-descargar"] = __webpack_exports__["default"];
/******/ })()
;