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UTILS_FUNCTION Library

Eine nützliche Bibliothek für verschiedene Funktionen

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/528459/1545384/UTILS_FUNCTION%20Library.js 

  1. // ==UserScript==
  2. // @name         UTILS_FUNCTION Library
  3. // @namespace    dannysaurus.epik
  4. // @version      1.0
  5. // @description  library to modify functions and arrow functions
  6. //
  7. // @license      MIT
  8. // ==/UserScript==
  9.  
  10. /* jslint esversion: 11 */
  11. /* global unsafeWindow */
  12. (() => {
  13.     'use strict';
  14.     unsafeWindow.dannysaurus_epik ||= {};
  15.     unsafeWindow.dannysaurus_epik.libraries ||= {};
  16.  
  17.     unsafeWindow.dannysaurus_epik.libraries.UTILS_FUNCTION = (() => {
  18.  
  19.         /**
  20.           * Throttle function calls with a timeOut between calls.
  21.           * 
  22.           * The timeout is not reset if the function is called again before the timeout has expired.
  23.           * 
  24.           * @param {Function} func - The function to throttle.
  25.           * @param {number} waitMs - The time to wait between function calls in milliseconds.
  26.           * @returns {Function} The throttled function.
  27.           */
  28.         const throttle = (func, waitMs) => {
  29.             let timeout = null;
  30.             let argumnentsForNextCall = null;
  31.  
  32.             // Funktion, die später aufgerufen wird
  33.             const runAfterTimeout = () => {
  34.                 if (argumnentsForNextCall) {
  35.                     func.apply(null, argumnentsForNextCall);
  36.                     argumnentsForNextCall = null;
  37.  
  38.                     timeout = setTimeout(runAfterTimeout, waitMs);
  39.                 } else {
  40.                     timeout = null;
  41.                 }
  42.             };
  43.  
  44.             return (...args) => {
  45.                 if (!timeout) {
  46.                     func.apply(null, args);
  47.  
  48.                     timeout = setTimeout(runAfterTimeout, waitMs);
  49.                 } else {
  50.                     argumnentsForNextCall = args;
  51.                 }
  52.             };
  53.         };
  54.  
  55.         return {
  56.             throttle,
  57.         };
  58.     })();
  59. })();