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Diffstat (limited to 'node_modules/react-dom/lib/ReactInstanceMap.js')
-rw-r--r-- | node_modules/react-dom/lib/ReactInstanceMap.js | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/node_modules/react-dom/lib/ReactInstanceMap.js b/node_modules/react-dom/lib/ReactInstanceMap.js new file mode 100644 index 000000000..6303bb51e --- /dev/null +++ b/node_modules/react-dom/lib/ReactInstanceMap.js @@ -0,0 +1,47 @@ +/** + * 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;
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