32 lines
1012 B
JavaScript
32 lines
1012 B
JavaScript
/**
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* Copyright (c) Nicolas Gallagher.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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*
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*/
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import { canUseDOM } from 'fbjs/lib/ExecutionEnvironment';
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var _requestIdleCallback = function _requestIdleCallback(cb, options) {
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return setTimeout(function () {
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var start = Date.now();
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cb({
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didTimeout: false,
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timeRemaining: function timeRemaining() {
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return Math.max(0, 50 - (Date.now() - start));
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}
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});
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}, 1);
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}; // $FlowFixMe (TimeoutID type is not recognized by eslint)
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var _cancelIdleCallback = function _cancelIdleCallback(id) {
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clearTimeout(id);
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};
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var isSupported = canUseDOM && typeof window.requestIdleCallback !== 'undefined';
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var requestIdleCallback = isSupported ? window.requestIdleCallback : _requestIdleCallback;
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var cancelIdleCallback = isSupported ? window.cancelIdleCallback : _cancelIdleCallback;
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export default requestIdleCallback;
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export { cancelIdleCallback }; |