All files / pdf.js/build/lib/shared streams_polyfill.js

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/* Copyright 2017 Mozilla Foundation
 *
 * 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.
 */
'use strict';
 
var isReadableStreamSupported = false;
Iif (typeof ReadableStream !== 'undefined') {
  try {
    new ReadableStream({
      start: function start(controller) {
        controller.close();
      }
    });
    isReadableStreamSupported = true;
  } catch (e) {}
}
Iif (isReadableStreamSupported) {
  exports.ReadableStream = ReadableStream;
} else {
  exports.ReadableStream = require('../../external/streams/streams-lib').ReadableStream;
}