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node_modules/videojs-vtt.js/lib/browser-index.js 1.42 KB
2a09d1a4   liuqimichale   添加宜春 天水 宣化
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  /**
   * Copyright 2013 vtt.js Contributors
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  // Default exports for Node. Export the extended versions of VTTCue and
  // VTTRegion in Node since we likely want the capability to convert back and
  // forth between JSON. If we don't then it's not that big of a deal since we're
  // off browser.
  
  var window = require('global/window');
  
  var vttjs = module.exports = {
    WebVTT: require("./vtt.js"),
    VTTCue: require("./vttcue.js"),
    VTTRegion: require("./vttregion.js")
  };
  
  window.vttjs = vttjs;
  window.WebVTT = vttjs.WebVTT;
  
  var cueShim = vttjs.VTTCue;
  var regionShim = vttjs.VTTRegion;
  var nativeVTTCue = window.VTTCue;
  var nativeVTTRegion = window.VTTRegion;
  
  vttjs.shim = function() {
    window.VTTCue = cueShim;
    window.VTTRegion = regionShim;
  };
  
  vttjs.restore = function() {
    window.VTTCue = nativeVTTCue;
    window.VTTRegion = nativeVTTRegion;
  };
  
  if (!window.VTTCue) {
    vttjs.shim();
  }