☰

Dev stuff

7/29/2024, 8:57:58 PM

当前为 2024-07-30 提交的版本，查看 最新版本。

此脚本不应直接安装。它是供其他脚本使用的外部库，要使用该库请加入元指令 // @require https://update.cn-greasyfork.org/scripts/502146/1419173/Dev%20stuff.js 

  1. // ==UserScript==
  2. // @name        Dev stuff
  3. // @namespace   Violentmonkey Scripts
  4. // @match       https://*/*
  5. // @grant       none
  6. // @version     0.1
  7. // @author      Shaun Mitchell <shaun@shitchell.com>
  8. // @description 7/29/2024, 8:57:58 PM
  9. // @license     WTFPL
  10. // ==/UserScript==
  11.  
  12. function mapToStyle(styles) {
  13.   return Object.entries(styles)
  14.     .map(([key, value]) => `${key}: ${value};`)
  15.     .join(' ');
  16. }
  17.  
  18. class Debugger {
  19.     static name = "debugger";
  20.     static level = "debug";
  21.     static levels = ["debug", "info", "warn", "error"];
  22.     static styles = {
  23.         debug: {
  24.             "color": "grey",
  25.         },
  26.         info: {
  27.             "color": "cyan"
  28.         },
  29.         warn: {
  30.             "color": "yellow",
  31.             "font-weight": "bold"
  32.         },
  33.         error: {
  34.             "background-color": "red",
  35.             "color": "black",
  36.             "font-weight": "bold",
  37.             "font-size": "1.1em"
  38.         }
  39.     }
  40.  
  41.     static setLevel(level) {
  42.         this.level = level;
  43.     }
  44.  
  45.     static isValidLevel(level) {
  46.         let cur_index = -1;
  47.         let lvl_index = -1;
  48.  
  49.         for (let i = 0; i < this.levels.length; i++) {
  50.             let l = this.levels[i];
  51.             if (l == this.level) {
  52.                 cur_index = i;
  53.             }
  54.             if (l == level) {
  55.                 lvl_index = i;
  56.             }
  57.             if (cur_index > -1 && lvl_index > -1) {
  58.                 break;
  59.             }
  60.         }
  61.  
  62.         return lvl_index >= cur_index;
  63.     }
  64.  
  65.     static log(level, ...args) {
  66.         if (this.isValidLevel(level)) {
  67.             const timestamp = new Date().toISOString().replace("T", " ").replace(/\..*/, "")
  68.             const style = mapToStyle(this.styles[level]);
  69.             console[level](`%c[${this.name}.${level} | ${timestamp}]`, style, ...args);
  70.         }
  71.     }
  72.  
  73.     static debug(...args) { this.log("debug", ...args) }
  74.     static info(...args) { this.log("info", ...args) }
  75.     static warn(...args) { this.log("warn", ...args) }
  76.     static error(...args) { this.log("error", ...args) }
  77. }
  78.  
  79. function debug(...args) { Debugger.debug(...args) }
  80. function info(...args) { Debugger.info(...args) }
  81. function warn(...args) { Debugger.warn(...args) }
  82. function error(...args) { Debugger.error(...args) }
  83.  
  84. // attribution:
  85. // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Cyclic_object_value
  86. function getCircularReplacer() {
  87.     const ancestors = [];
  88.     let i = 0;
  89.  
  90.     return function(key, value) {
  91.         if (i % 100 === 99) {
  92.             Debugger.debug("processing key", key);
  93.         }
  94.         if (typeof value !== "object" || value === null) {
  95.             return value;
  96.         }
  97.  
  98.         // `this` is the object that value is contained in,
  99.         // i.e., its direct parent.
  100.         while (ancestors.length > 0 && ancestors.at(-1) !== this) {
  101.             ancestors.pop();
  102.         }
  103.  
  104.         if (ancestors.includes(value)) {
  105.             return "[Circular]";
  106.         }
  107.  
  108.         ancestors.push(value);
  109.         return value;
  110.     };
  111. }
  112.  
  113. function downloadObjectJSON(object, filename, indent) {
  114.     const default_filename = "object-blob.js.json";
  115.     const default_indent = 4;
  116.  
  117.     // Allow for intelligent argument parsing for, e.g.: `downloadObjectBlob(foo, indent=4)`
  118.     args = [object, filename, indent];
  119.     filename = undefined;
  120.     indent = undefined;
  121.     for (const arg of args) {
  122.         switch (typeof arg) {
  123.             case 'number':
  124.                 indent = arg;
  125.                 break;
  126.             case 'string':
  127.                 filename = arg;
  128.                 break;
  129.             case 'object':
  130.                 object = arg;
  131.                 break;
  132.             case 'undefined':
  133.                 break;
  134.             default:
  135.                 error(`error: unexpected type for ${arg}`);
  136.                 return null
  137.         }
  138.     }
  139.     if (filename === undefined) { filename = default_filename }
  140.     if (indent === undefined) { indent = default_indent }
  141.     blob = new Blob([JSON.stringify(object, getCircularReplacer(), " ".repeat(indent))])
  142.     debug(`blob=<Blob size=${blob.size}>, filename=${filename}, indent=${indent}`);
  143.     var a = window.document.createElement('a');
  144.     a.href = window.URL.createObjectURL(blob, {type: 'text/json'});
  145.     a.download = filename;
  146.  
  147.     // Append anchor to body.
  148.     document.body.appendChild(a);
  149.     a.dispatchEvent(new MouseEvent('click'));
  150.  
  151.     // Remove anchor from body
  152.     document.body.removeChild(a);
  153. }
  154.  
  155. /* Export stuff */
  156.  
  157. unsafeWindow.mapToStyle = mapToStyle;
  158. unsafeWindow.Debugger = Debugger;
  159. unsafeWindow.getCircularReplacer = getCircularReplacer;
  160. unsafeWindow.downloadObjectJSON = downloadObjectJSON;
  161. unsafeWindow.debug = debug;
  162. unsafeWindow.info = info;
  163. unsafeWindow.warn = warn;
  164. unsafeWindow.error = error;