WaniKani API

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

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.gf.qytechs.cn/scripts/34539/226222/WaniKani%20API.js

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

You will need to install an extension such as Tampermonkey to install this script.

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name WaniKani API
// @version 1.0
// @description  Tools for accessing the WaniKani API without having to use jQuery.
// @copyright 2017 jeshuam
// @grant       GM_getValue
// @grant       GM_setValue
// @grant       GM_registerMenuCommand
// ==/UserScript==

/**
 * WaniKani API utilities, for use within userscripts.
 * Just place this script in the @require section of the userscript header.
 */
(function() {
  // Common key to use for the API key.
  var API_RETREIVAL_KEY = 'jeshuam-wanikani-apikey';

  var WaniKaniAPI = window.WaniKaniAPI = {
    /**
     * Get the API key from storage and return it. If it doesn't exist, return null.
     */
    getAPIKey: function() {
      return GM_getValue(API_RETREIVAL_KEY, undefined);
    },

    /**
     * Insert the API key into storage. If you are deleting, rather use deleteAPIKey().
     */
    setAPIKey: function(apiKey) {
      GM_setValue(API_RETREIVAL_KEY, apiKey);
    },

    /**
     * Remove the API key from storage.
     */
    deleteAPIKey: function() {
      GM_deleteValue(API_RETREIVAL_KEY);
    },

    /**
     * Get the API base URL.
     */
    apiURL: function(action) {
      return 'https://www.wanikani.com/api/v1.2/user/' + WaniKaniAPI.getAPIKey() + '/' + action;
    },

    /**
     * Make an AJAX request to the given API url, and call `callback` when finished.
     */
    load: function(url, callback) {
      var xhr;

      // Get the XHR element first.
      if (typeof XMLHttpRequest !== 'undefined') {
        xhr = new XMLHttpRequest();
      } else {
        var versions = ["MSXML2.XmlHttp.5.0",
          "MSXML2.XmlHttp.4.0",
          "MSXML2.XmlHttp.3.0",
          "MSXML2.XmlHttp.2.0",
          "Microsoft.XmlHttp"
        ]

        for (var i = 0, len = versions.length; i < len; i++) {
          try {
            xhr = new ActiveXObject(versions[i]);
            break;
          } catch (e) {

          }
        }
      }

      // Function to execute when the state of the XHR request changes.
      xhr.onreadystatechange = function() {
        if (xhr.readyState < 4) {
          return;
        }

        if (xhr.status !== 200) {
          return;
        }

        if (xhr.readyState === 4) {
          callback(JSON.parse(xhr.responseText));
        }
      };

      // Start the request.
      xhr.open('GET', url, true);
      xhr.send('');
    }
  };

  // Register some GreaseMonkey commands.
  GM_registerMenuCommand('JeshuaM Scripts: Change API Key', function() {
    var apiKey = prompt('Please enter your API key.', WaniKaniAPI.getAPIKey() || '');
    if (apiKey !== null) {
      WaniKaniAPI.setAPIKey(apiKey);
      alert('JeshuaM Scripts: API Key Saved! ' + apiKey);
    }
  });

  GM_registerMenuCommand('JeshuaM Scripts: Reset API Key', function() {
    WaniKaniAPI.deleteAPIKey();
    alert('JeshuaM Scripts: API Key Deleted!');
  });
})();

//////////////////////////////
/////// Start Function ///////
//////////////////////////////
document.addEventListener('DOMContentLoaded', function() {
  if (WaniKaniAPI.getAPIKey() === undefined) {
    // If we are on the account page, populate the API key (and maybe move back
    // to where we were before).
    if (window.location.href.indexOf('settings/account') >= 0) {
      key = document.querySelector('#user_api_key').value;
      WaniKaniAPI.setAPIKey(key);

      // From http://stackoverflow.com/questions/901115/how-can-i-get-query-string-values-in-javascript
      let getParameterByName = function(name) {
        name = name.replace(/[\[]/, "\\[").replace(/[\]]/, "\\]");
        var regex = new RegExp("[\\?&]" + name + "=([^&#]*)");
        var results = regex.exec(location.search);
        return results === null ? "" : decodeURIComponent(results[1].replace(/\+/g, " "));
      };

      // Notify the user, then redirect if necessary.
      var redirect = getParameterByName('prev');
      if (redirect) {
        window.alert('WANIKANI-API: API key set to ' + key + '! Going back to ' + redirect);
        window.location.href = redirect;
      } else {
        window.alert('WANIKANI-API: API key set to ' + key + '!');
      }
    } else {
      if (window.confirm('WANIKANI-API: Moving to settings page to fetch API key!')) {
        window.location.href = '/settings/account?prev=' + window.location.href;
      }
    }
  }
});