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Diffstat (limited to 'webapp/non_npm_dependencies/key-mirror/keyMirror.js')
-rw-r--r-- | webapp/non_npm_dependencies/key-mirror/keyMirror.js | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/webapp/non_npm_dependencies/key-mirror/keyMirror.js b/webapp/non_npm_dependencies/key-mirror/keyMirror.js deleted file mode 100644 index 3bd4cff33..000000000 --- a/webapp/non_npm_dependencies/key-mirror/keyMirror.js +++ /dev/null @@ -1,51 +0,0 @@ -/** - * Copyright (c) 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. - * - * @providesModule keyMirror - * @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(obj) { - var ret = {}; - var key; - invariant( - obj instanceof Object && !Array.isArray(obj), - 'keyMirror(...): Argument must be an object.' - ); - for (key in obj) { - if (!obj.hasOwnProperty(key)) { - continue; - } - ret[key] = key; - } - return ret; -}; - -module.exports = keyMirror;
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