jakemac@google.com
31c524cdca
BUG= http://dartbug.com/21583 R=sigmund@google.com Review URL: https://codereview.chromium.org//723393003 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@42114 260f80e4-7a28-3924-810f-c04153c831b5
38 lines
1.0 KiB
JavaScript
38 lines
1.0 KiB
JavaScript
/*
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* Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
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* This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
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* The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
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* The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
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* Code distributed by Google as part of the polymer project is also
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* subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
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*/
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(function(scope) {
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var iterations = 0;
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var callbacks = [];
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var twiddle = document.createTextNode('');
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function endOfMicrotask(callback) {
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twiddle.textContent = iterations++;
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callbacks.push(callback);
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}
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function atEndOfMicrotask() {
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while (callbacks.length) {
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callbacks.shift()();
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}
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}
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new (window.MutationObserver || JsMutationObserver)(atEndOfMicrotask)
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.observe(twiddle, {characterData: true})
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;
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// exports
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scope.endOfMicrotask = endOfMicrotask;
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// bc
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Platform.endOfMicrotask = endOfMicrotask;
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})(Polymer);
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