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Diffstat (limited to 'node_modules/fbjs/lib/keyMirror.js')
-rw-r--r-- | node_modules/fbjs/lib/keyMirror.js | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/node_modules/fbjs/lib/keyMirror.js b/node_modules/fbjs/lib/keyMirror.js deleted file mode 100644 index 59a4b8d06..000000000 --- a/node_modules/fbjs/lib/keyMirror.js +++ /dev/null @@ -1,45 +0,0 @@ -/** - * Copyright (c) 2013-present, Facebook, Inc. - * - * This source code is licensed under the MIT license found in the - * LICENSE file in the root directory of this source tree. - * - * @typechecks static-only - */ - -'use strict'; - -var invariant = require('./invariant'); - -/** - * Constructs an enumeration with keys equal to their value. - * - * For example: - * - * var COLORS = keyMirror({blue: null, red: null}); - * var myColor = COLORS.blue; - * var isColorValid = !!COLORS[myColor]; - * - * The last line could not be performed if the values of the generated enum were - * not equal to their keys. - * - * Input: {key1: val1, key2: val2} - * Output: {key1: key1, key2: key2} - * - * @param {object} obj - * @return {object} - */ -var keyMirror = function keyMirror(obj) { - var ret = {}; - var key; - !(obj instanceof Object && !Array.isArray(obj)) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'keyMirror(...): Argument must be an object.') : invariant(false) : void 0; - for (key in obj) { - if (!obj.hasOwnProperty(key)) { - continue; - } - ret[key] = key; - } - return ret; -}; - -module.exports = keyMirror;
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