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48 lines
1.2 KiB
48 lines
1.2 KiB
10 years ago
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/**
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* Copyright 2013-2015, 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 ReactInstanceMap
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*/
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'use strict';
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/**
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* `ReactInstanceMap` maintains a mapping from a public facing stateful
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* instance (key) and the internal representation (value). This allows public
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* methods to accept the user facing instance as an argument and map them back
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* to internal methods.
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*/
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// TODO: Replace this with ES6: var ReactInstanceMap = new Map();
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var ReactInstanceMap = {
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/**
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* This API should be called `delete` but we'd have to make sure to always
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* transform these to strings for IE support. When this transform is fully
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* supported we can rename it.
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*/
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remove: function(key) {
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key._reactInternalInstance = undefined;
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},
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get: function(key) {
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return key._reactInternalInstance;
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},
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has: function(key) {
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return key._reactInternalInstance !== undefined;
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},
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set: function(key, value) {
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key._reactInternalInstance = value;
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}
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};
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module.exports = ReactInstanceMap;
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