28 lines
754 B
JavaScript
28 lines
754 B
JavaScript
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/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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* @providesModule mergeIntoFast
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* @flow
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*/
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'use strict';
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/**
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* Faster version of `mergeInto` that doesn't check its arguments and
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* also copies over prototype inherited properties.
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*
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* @param {object} one Object to assign to.
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* @param {object} two Object to assign from.
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*/
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var mergeIntoFast = function(one: Object, two: Object): void {
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for (var keyTwo in two) {
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one[keyTwo] = two[keyTwo];
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}
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};
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module.exports = mergeIntoFast;
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