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WaniKani API

Tools for accessing the WaniKani API without having to use jQuery.

此脚本不应直接安装，它是一个供其他脚本使用的外部库。如果您需要使用该库，请在脚本元属性加入：// @require https://update.cn-greasyfork.org/scripts/34539/226222/WaniKani%20API.js 

  1. // ==UserScript==
  2. // @name WaniKani API
  3. // @version 1.0
  4. // @description  Tools for accessing the WaniKani API without having to use jQuery.
  5. // @copyright 2017 jeshuam
  6. // @grant       GM_getValue
  7. // @grant       GM_setValue
  8. // @grant       GM_registerMenuCommand
  9. // ==/UserScript==
  10.  
  11. /**
  12.  * WaniKani API utilities, for use within userscripts.
  13.  * Just place this script in the @require section of the userscript header.
  14.  */
  15. (function() {
  16.   // Common key to use for the API key.
  17.   var API_RETREIVAL_KEY = 'jeshuam-wanikani-apikey';
  18.  
  19.   var WaniKaniAPI = window.WaniKaniAPI = {
  20.     /**
  21.      * Get the API key from storage and return it. If it doesn't exist, return null.
  22.      */
  23.     getAPIKey: function() {
  24.       return GM_getValue(API_RETREIVAL_KEY, undefined);
  25.     },
  26.  
  27.     /**
  28.      * Insert the API key into storage. If you are deleting, rather use deleteAPIKey().
  29.      */
  30.     setAPIKey: function(apiKey) {
  31.       GM_setValue(API_RETREIVAL_KEY, apiKey);
  32.     },
  33.  
  34.     /**
  35.      * Remove the API key from storage.
  36.      */
  37.     deleteAPIKey: function() {
  38.       GM_deleteValue(API_RETREIVAL_KEY);
  39.     },
  40.  
  41.     /**
  42.      * Get the API base URL.
  43.      */
  44.     apiURL: function(action) {
  45.       return 'https://www.wanikani.com/api/v1.2/user/' + WaniKaniAPI.getAPIKey() + '/' + action;
  46.     },
  47.  
  48.     /**
  49.      * Make an AJAX request to the given API url, and call `callback` when finished.
  50.      */
  51.     load: function(url, callback) {
  52.       var xhr;
  53.  
  54.       // Get the XHR element first.
  55.       if (typeof XMLHttpRequest !== 'undefined') {
  56.         xhr = new XMLHttpRequest();
  57.       } else {
  58.         var versions = ["MSXML2.XmlHttp.5.0",
  59.           "MSXML2.XmlHttp.4.0",
  60.           "MSXML2.XmlHttp.3.0",
  61.           "MSXML2.XmlHttp.2.0",
  62.           "Microsoft.XmlHttp"
  63.         ]
  64.  
  65.         for (var i = 0, len = versions.length; i < len; i++) {
  66.           try {
  67.             xhr = new ActiveXObject(versions[i]);
  68.             break;
  69.           } catch (e) {
  70.  
  71.           }
  72.         }
  73.       }
  74.  
  75.       // Function to execute when the state of the XHR request changes.
  76.       xhr.onreadystatechange = function() {
  77.         if (xhr.readyState < 4) {
  78.           return;
  79.         }
  80.  
  81.         if (xhr.status !== 200) {
  82.           return;
  83.         }
  84.  
  85.         if (xhr.readyState === 4) {
  86.           callback(JSON.parse(xhr.responseText));
  87.         }
  88.       };
  89.  
  90.       // Start the request.
  91.       xhr.open('GET', url, true);
  92.       xhr.send('');
  93.     }
  94.   };
  95.  
  96.   // Register some GreaseMonkey commands.
  97.   GM_registerMenuCommand('JeshuaM Scripts: Change API Key', function() {
  98.     var apiKey = prompt('Please enter your API key.', WaniKaniAPI.getAPIKey() || '');
  99.     if (apiKey !== null) {
  100.       WaniKaniAPI.setAPIKey(apiKey);
  101.       alert('JeshuaM Scripts: API Key Saved! ' + apiKey);
  102.     }
  103.   });
  104.  
  105.   GM_registerMenuCommand('JeshuaM Scripts: Reset API Key', function() {
  106.     WaniKaniAPI.deleteAPIKey();
  107.     alert('JeshuaM Scripts: API Key Deleted!');
  108.   });
  109. })();
  110.  
  111. //////////////////////////////
  112. /////// Start Function ///////
  113. //////////////////////////////
  114. document.addEventListener('DOMContentLoaded', function() {
  115.   if (WaniKaniAPI.getAPIKey() === undefined) {
  116.     // If we are on the account page, populate the API key (and maybe move back
  117.     // to where we were before).
  118.     if (window.location.href.indexOf('settings/account') >= 0) {
  119.       key = document.querySelector('#user_api_key').value;
  120.       WaniKaniAPI.setAPIKey(key);
  121.  
  122.       // From http://stackoverflow.com/questions/901115/how-can-i-get-query-string-values-in-javascript
  123.       let getParameterByName = function(name) {
  124.         name = name.replace(/[\[]/, "\\[").replace(/[\]]/, "\\]");
  125.         var regex = new RegExp("[\\?&]" + name + "=([^&#]*)");
  126.         var results = regex.exec(location.search);
  127.         return results === null ? "" : decodeURIComponent(results[1].replace(/\+/g, " "));
  128.       };
  129.  
  130.       // Notify the user, then redirect if necessary.
  131.       var redirect = getParameterByName('prev');
  132.       if (redirect) {
  133.         window.alert('WANIKANI-API: API key set to ' + key + '! Going back to ' + redirect);
  134.         window.location.href = redirect;
  135.       } else {
  136.         window.alert('WANIKANI-API: API key set to ' + key + '!');
  137.       }
  138.     } else {
  139.       if (window.confirm('WANIKANI-API: Moving to settings page to fetch API key!')) {
  140.         window.location.href = '/settings/account?prev=' + window.location.href;
  141.       }
  142.     }
  143.   }
  144. });