wallet-core/node_modules/react-dom/lib/ReactInstanceMap.js
2017-08-14 05:02:09 +02:00

45 lines
1.2 KiB
JavaScript

/**
* Copyright 2013-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
*/
'use strict';
/**
* `ReactInstanceMap` maintains a mapping from a public facing stateful
* instance (key) and the internal representation (value). This allows public
* methods to accept the user facing instance as an argument and map them back
* to internal methods.
*/
// TODO: Replace this with ES6: var ReactInstanceMap = new Map();
var ReactInstanceMap = {
/**
* This API should be called `delete` but we'd have to make sure to always
* transform these to strings for IE support. When this transform is fully
* supported we can rename it.
*/
remove: function (key) {
key._reactInternalInstance = undefined;
},
get: function (key) {
return key._reactInternalInstance;
},
has: function (key) {
return key._reactInternalInstance !== undefined;
},
set: function (key, value) {
key._reactInternalInstance = value;
}
};
module.exports = ReactInstanceMap;