Add vjs plugin for audio track switching
This commit is contained in:
Xaekai
Calvin Montgomery
parent
e7f0aa98be
commit
aa04f0d034
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@ -254,6 +254,7 @@ html(lang="en")
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script(defer, src="/js/vjs/videojs-dash.js")
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script(defer, src="/js/vjs/videojs-hlsjs-plugin.js")
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script(defer, src="/js/vjs/videojs-resolution-switcher.js")
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script(defer, src="/js/vjs/videojs-audio-switcher.js")
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script(defer, src="/js/playerjs-0.0.12.js")
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script(defer, src="/js/niconico.js")
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script(defer, src="/js/peertube.js")
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587
www/js/vjs/videojs-audio-switcher.js
Normal file
587
www/js/vjs/videojs-audio-switcher.js
Normal file
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@ -0,0 +1,587 @@
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(function (global, factory) {
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typeof exports === 'object' && typeof module !== 'undefined' ? factory(require('video.js')) : typeof define === 'function' && define.amd ? define(['video.js'], factory) : (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.videojs));
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}(this, function (videojs) {
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'use strict';
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function _interopDefaultLegacy(e) {
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return e && typeof e === 'object' && 'default' in e ? e : { 'default': e };
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}
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var videojs__default = /*#__PURE__*/
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_interopDefaultLegacy(videojs);
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/**
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* Checks if `value` is the
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* [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
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* of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
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*
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* @static
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* @memberOf _
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* @since 0.1.0
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* @category Lang
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* @param {*} value The value to check.
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* @returns {boolean} Returns `true` if `value` is an object, else `false`.
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* @example
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*
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* _.isObject({});
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* // => true
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*
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* _.isObject([1, 2, 3]);
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* // => true
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*
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* _.isObject(_.noop);
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* // => true
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*
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* _.isObject(null);
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* // => false
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*/
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function isObject(value) {
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var type = typeof value;
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return value != null && (type == 'object' || type == 'function');
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}
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/** Detect free variable `global` from Node.js. */
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var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;
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/** Detect free variable `self`. */
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var freeSelf = typeof self == 'object' && self && self.Object === Object && self;
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/** Used as a reference to the global object. */
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var root = freeGlobal || freeSelf || Function('return this')();
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/**
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* Gets the timestamp of the number of milliseconds that have elapsed since
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* the Unix epoch (1 January 1970 00:00:00 UTC).
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*
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* @static
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* @memberOf _
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* @since 2.4.0
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* @category Date
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* @returns {number} Returns the timestamp.
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* @example
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*
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* _.defer(function(stamp) {
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* console.log(_.now() - stamp);
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* }, _.now());
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* // => Logs the number of milliseconds it took for the deferred invocation.
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*/
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var now = function () {
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return root.Date.now();
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};
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/** Used to match a single whitespace character. */
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var reWhitespace = /\s/;
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/**
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* Used by `_.trim` and `_.trimEnd` to get the index of the last non-whitespace
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* character of `string`.
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*
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* @private
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* @param {string} string The string to inspect.
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* @returns {number} Returns the index of the last non-whitespace character.
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*/
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function trimmedEndIndex(string) {
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var index = string.length;
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while (index-- && reWhitespace.test(string.charAt(index))) {
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}
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return index;
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}
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/** Used to match leading whitespace. */
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var reTrimStart = /^\s+/;
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/**
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* The base implementation of `_.trim`.
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*
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* @private
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* @param {string} string The string to trim.
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* @returns {string} Returns the trimmed string.
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*/
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function baseTrim(string) {
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return string ? string.slice(0, trimmedEndIndex(string) + 1).replace(reTrimStart, '') : string;
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}
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/** Built-in value references. */
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var Symbol = root.Symbol;
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/** Used for built-in method references. */
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var objectProto$1 = Object.prototype;
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/** Used to check objects for own properties. */
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var hasOwnProperty = objectProto$1.hasOwnProperty;
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/**
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* Used to resolve the
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* [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
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* of values.
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*/
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var nativeObjectToString$1 = objectProto$1.toString;
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/** Built-in value references. */
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var symToStringTag$1 = Symbol ? Symbol.toStringTag : undefined;
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/**
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* A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.
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*
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* @private
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* @param {*} value The value to query.
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* @returns {string} Returns the raw `toStringTag`.
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*/
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function getRawTag(value) {
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var isOwn = hasOwnProperty.call(value, symToStringTag$1), tag = value[symToStringTag$1];
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try {
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value[symToStringTag$1] = undefined;
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var unmasked = true;
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} catch (e) {
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}
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var result = nativeObjectToString$1.call(value);
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if (unmasked) {
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if (isOwn) {
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value[symToStringTag$1] = tag;
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} else {
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delete value[symToStringTag$1];
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}
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}
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return result;
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}
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/** Used for built-in method references. */
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var objectProto = Object.prototype;
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/**
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* Used to resolve the
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* [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
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* of values.
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*/
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var nativeObjectToString = objectProto.toString;
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/**
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* Converts `value` to a string using `Object.prototype.toString`.
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*
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* @private
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* @param {*} value The value to convert.
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* @returns {string} Returns the converted string.
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*/
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function objectToString(value) {
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return nativeObjectToString.call(value);
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}
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/** `Object#toString` result references. */
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var nullTag = '[object Null]', undefinedTag = '[object Undefined]';
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/** Built-in value references. */
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var symToStringTag = Symbol ? Symbol.toStringTag : undefined;
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/**
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* The base implementation of `getTag` without fallbacks for buggy environments.
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*
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* @private
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* @param {*} value The value to query.
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* @returns {string} Returns the `toStringTag`.
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*/
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function baseGetTag(value) {
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if (value == null) {
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return value === undefined ? undefinedTag : nullTag;
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}
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return symToStringTag && symToStringTag in Object(value) ? getRawTag(value) : objectToString(value);
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}
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/**
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* Checks if `value` is object-like. A value is object-like if it's not `null`
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* and has a `typeof` result of "object".
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*
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* @static
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* @memberOf _
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* @since 4.0.0
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* @category Lang
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* @param {*} value The value to check.
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* @returns {boolean} Returns `true` if `value` is object-like, else `false`.
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* @example
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*
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* _.isObjectLike({});
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* // => true
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*
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* _.isObjectLike([1, 2, 3]);
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* // => true
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*
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* _.isObjectLike(_.noop);
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* // => false
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*
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* _.isObjectLike(null);
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* // => false
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*/
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function isObjectLike(value) {
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return value != null && typeof value == 'object';
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}
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/** `Object#toString` result references. */
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var symbolTag = '[object Symbol]';
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/**
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* Checks if `value` is classified as a `Symbol` primitive or object.
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*
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* @static
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* @memberOf _
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* @since 4.0.0
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* @category Lang
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* @param {*} value The value to check.
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* @returns {boolean} Returns `true` if `value` is a symbol, else `false`.
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* @example
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*
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* _.isSymbol(Symbol.iterator);
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* // => true
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*
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* _.isSymbol('abc');
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* // => false
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*/
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function isSymbol(value) {
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return typeof value == 'symbol' || isObjectLike(value) && baseGetTag(value) == symbolTag;
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}
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/** Used as references for various `Number` constants. */
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var NAN = 0 / 0;
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/** Used to detect bad signed hexadecimal string values. */
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var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;
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/** Used to detect binary string values. */
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var reIsBinary = /^0b[01]+$/i;
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/** Used to detect octal string values. */
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var reIsOctal = /^0o[0-7]+$/i;
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/** Built-in method references without a dependency on `root`. */
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var freeParseInt = parseInt;
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/**
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* Converts `value` to a number.
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*
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* @static
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* @memberOf _
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* @since 4.0.0
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* @category Lang
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* @param {*} value The value to process.
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* @returns {number} Returns the number.
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* @example
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*
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* _.toNumber(3.2);
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* // => 3.2
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*
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* _.toNumber(Number.MIN_VALUE);
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* // => 5e-324
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*
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* _.toNumber(Infinity);
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* // => Infinity
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*
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* _.toNumber('3.2');
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* // => 3.2
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*/
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function toNumber(value) {
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if (typeof value == 'number') {
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return value;
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}
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if (isSymbol(value)) {
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return NAN;
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}
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if (isObject(value)) {
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var other = typeof value.valueOf == 'function' ? value.valueOf() : value;
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value = isObject(other) ? other + '' : other;
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}
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if (typeof value != 'string') {
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return value === 0 ? value : +value;
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}
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value = baseTrim(value);
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var isBinary = reIsBinary.test(value);
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return isBinary || reIsOctal.test(value) ? freeParseInt(value.slice(2), isBinary ? 2 : 8) : reIsBadHex.test(value) ? NAN : +value;
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}
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/** Error message constants. */
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var FUNC_ERROR_TEXT$1 = 'Expected a function';
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/* Built-in method references for those with the same name as other `lodash` methods. */
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var nativeMax = Math.max, nativeMin = Math.min;
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/**
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* Creates a debounced function that delays invoking `func` until after `wait`
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* milliseconds have elapsed since the last time the debounced function was
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* invoked. The debounced function comes with a `cancel` method to cancel
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* delayed `func` invocations and a `flush` method to immediately invoke them.
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* Provide `options` to indicate whether `func` should be invoked on the
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* leading and/or trailing edge of the `wait` timeout. The `func` is invoked
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* with the last arguments provided to the debounced function. Subsequent
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* calls to the debounced function return the result of the last `func`
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* invocation.
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*
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* **Note:** If `leading` and `trailing` options are `true`, `func` is
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* invoked on the trailing edge of the timeout only if the debounced function
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* is invoked more than once during the `wait` timeout.
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*
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* If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
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* until to the next tick, similar to `setTimeout` with a timeout of `0`.
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*
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* See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)
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* for details over the differences between `_.debounce` and `_.throttle`.
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*
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* @static
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* @memberOf _
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* @since 0.1.0
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* @category Function
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* @param {Function} func The function to debounce.
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* @param {number} [wait=0] The number of milliseconds to delay.
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* @param {Object} [options={}] The options object.
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* @param {boolean} [options.leading=false]
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* Specify invoking on the leading edge of the timeout.
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* @param {number} [options.maxWait]
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* The maximum time `func` is allowed to be delayed before it's invoked.
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* @param {boolean} [options.trailing=true]
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* Specify invoking on the trailing edge of the timeout.
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* @returns {Function} Returns the new debounced function.
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* @example
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*
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* // Avoid costly calculations while the window size is in flux.
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* jQuery(window).on('resize', _.debounce(calculateLayout, 150));
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*
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* // Invoke `sendMail` when clicked, debouncing subsequent calls.
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* jQuery(element).on('click', _.debounce(sendMail, 300, {
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* 'leading': true,
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* 'trailing': false
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* }));
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*
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* // Ensure `batchLog` is invoked once after 1 second of debounced calls.
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* var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });
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* var source = new EventSource('/stream');
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* jQuery(source).on('message', debounced);
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*
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* // Cancel the trailing debounced invocation.
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* jQuery(window).on('popstate', debounced.cancel);
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*/
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function debounce(func, wait, options) {
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var lastArgs, lastThis, maxWait, result, timerId, lastCallTime, lastInvokeTime = 0, leading = false, maxing = false, trailing = true;
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if (typeof func != 'function') {
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throw new TypeError(FUNC_ERROR_TEXT$1);
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}
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wait = toNumber(wait) || 0;
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if (isObject(options)) {
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leading = !!options.leading;
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maxing = 'maxWait' in options;
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maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;
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trailing = 'trailing' in options ? !!options.trailing : trailing;
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}
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function invokeFunc(time) {
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var args = lastArgs, thisArg = lastThis;
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lastArgs = lastThis = undefined;
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lastInvokeTime = time;
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result = func.apply(thisArg, args);
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return result;
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}
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function leadingEdge(time) {
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// Reset any `maxWait` timer.
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lastInvokeTime = time;
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// Start the timer for the trailing edge.
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timerId = setTimeout(timerExpired, wait);
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// Invoke the leading edge.
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return leading ? invokeFunc(time) : result;
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}
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function remainingWait(time) {
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var timeSinceLastCall = time - lastCallTime, timeSinceLastInvoke = time - lastInvokeTime, timeWaiting = wait - timeSinceLastCall;
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return maxing ? nativeMin(timeWaiting, maxWait - timeSinceLastInvoke) : timeWaiting;
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}
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function shouldInvoke(time) {
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var timeSinceLastCall = time - lastCallTime, timeSinceLastInvoke = time - lastInvokeTime;
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// Either this is the first call, activity has stopped and we're at the
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// trailing edge, the system time has gone backwards and we're treating
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// it as the trailing edge, or we've hit the `maxWait` limit.
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return lastCallTime === undefined || timeSinceLastCall >= wait || timeSinceLastCall < 0 || maxing && timeSinceLastInvoke >= maxWait;
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}
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function timerExpired() {
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var time = now();
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if (shouldInvoke(time)) {
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return trailingEdge(time);
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}
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// Restart the timer.
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timerId = setTimeout(timerExpired, remainingWait(time));
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}
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function trailingEdge(time) {
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timerId = undefined;
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// Only invoke if we have `lastArgs` which means `func` has been
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// debounced at least once.
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if (trailing && lastArgs) {
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return invokeFunc(time);
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}
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lastArgs = lastThis = undefined;
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return result;
|
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}
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function cancel() {
|
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if (timerId !== undefined) {
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clearTimeout(timerId);
|
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}
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lastInvokeTime = 0;
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lastArgs = lastCallTime = lastThis = timerId = undefined;
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}
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function flush() {
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return timerId === undefined ? result : trailingEdge(now());
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}
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function debounced() {
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||||
var time = now(), isInvoking = shouldInvoke(time);
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lastArgs = arguments;
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lastThis = this;
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lastCallTime = time;
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if (isInvoking) {
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if (timerId === undefined) {
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return leadingEdge(lastCallTime);
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}
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if (maxing) {
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// Handle invocations in a tight loop.
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clearTimeout(timerId);
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timerId = setTimeout(timerExpired, wait);
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return invokeFunc(lastCallTime);
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}
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}
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if (timerId === undefined) {
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timerId = setTimeout(timerExpired, wait);
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||||
}
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return result;
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}
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debounced.cancel = cancel;
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debounced.flush = flush;
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||||
return debounced;
|
||||
}
|
||||
/** Error message constants. */
|
||||
var FUNC_ERROR_TEXT = 'Expected a function';
|
||||
/**
|
||||
* Creates a throttled function that only invokes `func` at most once per
|
||||
* every `wait` milliseconds. The throttled function comes with a `cancel`
|
||||
* method to cancel delayed `func` invocations and a `flush` method to
|
||||
* immediately invoke them. Provide `options` to indicate whether `func`
|
||||
* should be invoked on the leading and/or trailing edge of the `wait`
|
||||
* timeout. The `func` is invoked with the last arguments provided to the
|
||||
* throttled function. Subsequent calls to the throttled function return the
|
||||
* result of the last `func` invocation.
|
||||
*
|
||||
* **Note:** If `leading` and `trailing` options are `true`, `func` is
|
||||
* invoked on the trailing edge of the timeout only if the throttled function
|
||||
* is invoked more than once during the `wait` timeout.
|
||||
*
|
||||
* If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
|
||||
* until to the next tick, similar to `setTimeout` with a timeout of `0`.
|
||||
*
|
||||
* See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)
|
||||
* for details over the differences between `_.throttle` and `_.debounce`.
|
||||
*
|
||||
* @static
|
||||
* @memberOf _
|
||||
* @since 0.1.0
|
||||
* @category Function
|
||||
* @param {Function} func The function to throttle.
|
||||
* @param {number} [wait=0] The number of milliseconds to throttle invocations to.
|
||||
* @param {Object} [options={}] The options object.
|
||||
* @param {boolean} [options.leading=true]
|
||||
* Specify invoking on the leading edge of the timeout.
|
||||
* @param {boolean} [options.trailing=true]
|
||||
* Specify invoking on the trailing edge of the timeout.
|
||||
* @returns {Function} Returns the new throttled function.
|
||||
* @example
|
||||
*
|
||||
* // Avoid excessively updating the position while scrolling.
|
||||
* jQuery(window).on('scroll', _.throttle(updatePosition, 100));
|
||||
*
|
||||
* // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.
|
||||
* var throttled = _.throttle(renewToken, 300000, { 'trailing': false });
|
||||
* jQuery(element).on('click', throttled);
|
||||
*
|
||||
* // Cancel the trailing throttled invocation.
|
||||
* jQuery(window).on('popstate', throttled.cancel);
|
||||
*/
|
||||
function throttle(func, wait, options) {
|
||||
var leading = true, trailing = true;
|
||||
if (typeof func != 'function') {
|
||||
throw new TypeError(FUNC_ERROR_TEXT);
|
||||
}
|
||||
if (isObject(options)) {
|
||||
leading = 'leading' in options ? !!options.leading : leading;
|
||||
trailing = 'trailing' in options ? !!options.trailing : trailing;
|
||||
}
|
||||
return debounce(func, wait, {
|
||||
'leading': leading,
|
||||
'maxWait': wait,
|
||||
'trailing': trailing
|
||||
});
|
||||
}
|
||||
const syncTime = (player, audio) => {
|
||||
const time = player.currentTime();
|
||||
audio.currentTime = time;
|
||||
};
|
||||
function audioSwitchPlugin(options) {
|
||||
const {audioElement, audioTracks, debugInterval, syncInterval, volume} = options;
|
||||
const player = this;
|
||||
const checkAudioElement = () => {
|
||||
const videoElement = player.el_;
|
||||
let newAudio;
|
||||
if (typeof audioElement !== 'undefined' && audioElement instanceof HTMLElement) {
|
||||
newAudio = audioElement;
|
||||
this.audio = newAudio;
|
||||
} else {
|
||||
newAudio = document.createElement('audio');
|
||||
this.audio = newAudio;
|
||||
this.isOurAudio = true;
|
||||
this.audio.className = 'audioSwitch-audio';
|
||||
this.audioParent = document.createElement('div');
|
||||
this.audioParent.className = 'audioSwitch-parent';
|
||||
this.audioParent.appendChild(this.audio);
|
||||
if (videoElement.nextSibling) {
|
||||
videoElement.parentNode.insertBefore(this.audioParent, videoElement.nextSibling);
|
||||
} else {
|
||||
videoElement.parentNode.appendChild(this.audioParent);
|
||||
}
|
||||
}
|
||||
return newAudio;
|
||||
};
|
||||
const audio = checkAudioElement();
|
||||
audio.currentTime = 0;
|
||||
audio.volume = volume;
|
||||
const onAudioTracksChange = (player, audio, event) => {
|
||||
var audioTrackList = player.audioTracks();
|
||||
let enabledTrack;
|
||||
for (let i = 0; i < audioTrackList.length; i++) {
|
||||
let track = audioTrackList[i];
|
||||
if (track.enabled) {
|
||||
enabledTrack = track;
|
||||
break;
|
||||
}
|
||||
}
|
||||
enabledTrack = enabledTrack || audioTrackList[0];
|
||||
if (enabledTrack) {
|
||||
const isPlaying = !player.paused();
|
||||
if (isPlaying)
|
||||
player.pause();
|
||||
audio.setAttribute('src', audioTracks.find(audioTrack => audioTrack.label === enabledTrack.label)?.url);
|
||||
syncTime(player, audio);
|
||||
if (isPlaying)
|
||||
player.play();
|
||||
}
|
||||
};
|
||||
var audioTrackList = player.audioTracks();
|
||||
audioTrackList.addEventListener('change', onAudioTracksChange.bind(null, player, audio));
|
||||
if (audioTracks.length > 0) {
|
||||
audioTracks[0].kind = 'main';
|
||||
audioTracks[0].enabled = true;
|
||||
audioTracks.forEach(track => audioTrackList.addTrack(new videojs.AudioTrack(track)));
|
||||
audio.setAttribute('src', audioTracks[0].url);
|
||||
}
|
||||
player.on('play', () => {
|
||||
syncTime(player, audio);
|
||||
if (audio.paused)
|
||||
audio.play();
|
||||
});
|
||||
player.on('pause', () => {
|
||||
syncTime(player, audio);
|
||||
if (!audio.paused)
|
||||
audio.pause();
|
||||
});
|
||||
player.on('seeked', () => {
|
||||
if (!player.paused())
|
||||
player.pause();
|
||||
player.one('canplay', () => {
|
||||
const sync = () => {
|
||||
syncTime(player, audio);
|
||||
audio.removeEventListener('canplay', sync);
|
||||
if (player.paused())
|
||||
player.play();
|
||||
};
|
||||
audio.addEventListener('canplay', sync);
|
||||
});
|
||||
});
|
||||
player.on('volumechange', () => {
|
||||
if (player.muted()) {
|
||||
audio.muted = true;
|
||||
} else {
|
||||
audio.muted = false;
|
||||
audio.volume = player.volume();
|
||||
}
|
||||
});
|
||||
if (syncInterval) {
|
||||
const syncOnInterval = throttle(() => {
|
||||
syncTime(player, audio);
|
||||
}, syncInterval);
|
||||
player.on('timeupdate', syncOnInterval);
|
||||
}
|
||||
if (debugInterval) {
|
||||
const debugOnInterval = throttle(() => {
|
||||
const _audioBefore = audio.currentTime;
|
||||
const _videoBefore = player.currentTime();
|
||||
console.log('debug', {
|
||||
audio: _audioBefore,
|
||||
video: _videoBefore,
|
||||
diff: _videoBefore - _audioBefore
|
||||
});
|
||||
}, debugInterval);
|
||||
player.on('timeupdate', debugOnInterval);
|
||||
}
|
||||
}
|
||||
videojs__default['default'].registerPlugin('audioSwitch', audioSwitchPlugin);
|
||||
}));
|
||||
Loading…
Reference in a new issue