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/** * @license * Video.js 7.8.4 <http://videojs.com/> * Copyright Brightcove, Inc. <https://www.brightcove.com/> * Available under Apache License Version 2.0 * <https://github.com/videojs/video.js/blob/master/LICENSE> * * Includes vtt.js <https://github.com/mozilla/vtt.js> * Available under Apache License Version 2.0 * <https://github.com/mozilla/vtt.js/blob/master/LICENSE> */ (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('global/window'), require('global/document')) : typeof define === 'function' && define.amd ? define(['global/window', 'global/document'], factory) : (global = global || self, global.videojs = factory(global.window, global.document)); }(this, (function (window$3, document) { 'use strict'; window$3 = window$3 && Object.prototype.hasOwnProperty.call(window$3, 'default') ? window$3['default'] : window$3; document = document && Object.prototype.hasOwnProperty.call(document, 'default') ? document['default'] : document; var version = "7.8.4"; /** * @file create-logger.js * @module create-logger */ var history = []; /** * Log messages to the console and history based on the type of message * * @private * @param {string} type * The name of the console method to use. * * @param {Array} args * The arguments to be passed to the matching console method. */ var LogByTypeFactory = function LogByTypeFactory(name, log) { return function (type, level, args) { var lvl = log.levels[level]; var lvlRegExp = new RegExp("^(" + lvl + ")$"); if (type !== 'log') { // Add the type to the front of the message when it's not "log". args.unshift(type.toUpperCase() + ':'); } // Add console prefix after adding to history. args.unshift(name + ':'); // Add a clone of the args at this point to history. if (history) { history.push([].concat(args)); // only store 1000 history entries var splice = history.length - 1000; history.splice(0, splice > 0 ? splice : 0); } // If there's no console then don't try to output messages, but they will // still be stored in history. if (!window$3.console) { return; } // Was setting these once outside of this function, but containing them // in the function makes it easier to test cases where console doesn't exist // when the module is executed. var fn = window$3.console[type]; if (!fn && type === 'debug') { // Certain browsers don't have support for console.debug. For those, we // should default to the closest comparable log. fn = window$3.console.info || window$3.console.log; } // Bail out if there's no console or if this type is not allowed by the // current logging level. if (!fn || !lvl || !lvlRegExp.test(type)) { return; } fn[Array.isArray(args) ? 'apply' : 'call'](window$3.console, args); }; }; function createLogger(name) { // This is the private tracking variable for logging level. var level = 'info'; // the curried logByType bound to the specific log and history var logByType; /** * Logs plain debug messages. Similar to `console.log`. * * Due to [limitations](https://github.com/jsdoc3/jsdoc/issues/955#issuecomment-313829149) * of our JSDoc template, we cannot properly document this as both a function * and a namespace, so its function signature is documented here. * * #### Arguments * ##### *args * Mixed[] * * Any combination of values that could be passed to `console.log()`. * * #### Return Value * * `undefined` * * @namespace * @param {Mixed[]} args * One or more messages or objects that should be logged. */ var log = function log() { for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) { args[_key] = arguments[_key]; } logByType('log', level, args); }; // This is the logByType helper that the logging methods below use logByType = LogByTypeFactory(name, log); /** * Create a new sublogger which chains the old name to the new name. * * For example, doing `videojs.log.createLogger('player')` and then using that logger will log the following: * ```js * mylogger('foo'); * // > VIDEOJS: player: foo * ``` * * @param {string} name * The name to add call the new logger * @return {Object} */ log.createLogger = function (subname) { return createLogger(name + ': ' + subname); }; /** * Enumeration of available logging levels, where the keys are the level names * and the values are `|`-separated strings containing logging methods allowed * in that logging level. These strings are used to create a regular expression * matching the function name being called. * * Levels provided by Video.js are: * * - `off`: Matches no calls. Any value that can be cast to `false` will have * this effect. The most restrictive. * - `all`: Matches only Video.js-provided functions (`debug`, `log`, * `log.warn`, and `log.error`). * - `debug`: Matches `log.debug`, `log`, `log.warn`, and `log.error` calls. * - `info` (default): Matches `log`, `log.warn`, and `log.error` calls. * - `warn`: Matches `log.warn` and `log.error` calls. * - `error`: Matches only `log.error` calls. * * @type {Object} */ log.levels = { all: 'debug|log|warn|error', off: '', debug: 'debug|log|warn|error', info: 'log|warn|error', warn: 'warn|error', error: 'error', DEFAULT: level }; /** * Get or set the current logging level. * * If a string matching a key from {@link module:log.levels} is provided, acts * as a setter. * * @param {string} [lvl] * Pass a valid level to set a new logging level. * * @return {string} * The current logging level. */ log.level = function (lvl) { if (typeof lvl === 'string') { if (!log.levels.hasOwnProperty(lvl)) { throw new Error("\"" + lvl + "\" in not a valid log level"); } level = lvl; } return level; }; /** * Returns an array containing everything that has been logged to the history. * * This array is a shallow clone of the internal history record. However, its * contents are _not_ cloned; so, mutating objects inside this array will * mutate them in history. * * @return {Array} */ log.history = function () { return history ? [].concat(history) : []; }; /** * Allows you to filter the history by the given logger name * * @param {string} fname * The name to filter by * * @return {Array} * The filtered list to return */ log.history.filter = function (fname) { return (history || []).filter(function (historyItem) { // if the first item in each historyItem includes `fname`, then it's a match return new RegExp(".*" + fname + ".*").test(historyItem[0]); }); }; /** * Clears the internal history tracking, but does not prevent further history * tracking. */ log.history.clear = function () { if (history) { history.length = 0; } }; /** * Disable history tracking if it is currently enabled. */ log.history.disable = function () { if (history !== null) { history.length = 0; history = null; } }; /** * Enable history tracking if it is currently disabled. */ log.history.enable = function () { if (history === null) { history = []; }