puppeteer/phantom_shim/utilities.js

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/**
* Copyright 2017 Google Inc. All rights reserved.
*
* 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.
*/
let loopWhile = require('deasync').loopWhile;
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module.exports = {
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await: function(promise) {
let error;
let result;
let done = false;
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promise.then(r => result = r)
.catch(err => error = err)
.then(() => done = true);
loopWhile(() => !done);
if (error)
throw error;
return result;
}
};