| 1 | if(typeof Promise === 'undefined') {
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| 2 | // Rejection tracking prevents a common issue where React gets into an
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| 3 | // inconsistent state due to an error, but it gets swallowed by a Promise,
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| 4 | // and the user has no idea what causes React's erratic future behavior.
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| 5 | require('promise/lib/rejection-tracking').enable();
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| 6 | window.Promise = require('promise/lib/es6-extensions.js');
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| 7 | }
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| 8 |
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| 9 | // fetch() polyfill for making API calls.
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| 10 | require('whatwg-fetch');
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| 11 |
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| 12 | // Object.assign() is commonly used with React.
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| 13 | // It will use the native implementation if it's present and isn't buggy.
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| 14 | Object.assign = require('object-assign'); |
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