22 lines
850 B
JavaScript
22 lines
850 B
JavaScript
'use strict'
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if (typeof Promise === 'undefined') {
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// Rejection tracking prevents a common issue where React gets into an
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// inconsistent state due to an error, but it gets swallowed by a Promise,
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// and the user has no idea what causes React's erratic future behavior.
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require('promise/lib/rejection-tracking').enable()
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window.Promise = require('promise/lib/es6-extensions.js')
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}
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// fetch() polyfill for making API calls.
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require('whatwg-fetch')
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// Object.assign() is commonly used with React.
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// It will use the native implementation if it's present and isn't buggy.
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Object.assign = require('object-assign')
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// In tests, polyfill requestAnimationFrame since jsdom doesn't provide it yet.
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// We don't polyfill it in the browser--this is user's responsibility.
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if (process.env.NODE_ENV === 'test') {
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require('raf').polyfill(global)
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}
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