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Diffstat (limited to 'node_modules/lodash/keyBy.js')
-rw-r--r-- | node_modules/lodash/keyBy.js | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/node_modules/lodash/keyBy.js b/node_modules/lodash/keyBy.js new file mode 100644 index 0000000..acc007a --- /dev/null +++ b/node_modules/lodash/keyBy.js @@ -0,0 +1,36 @@ +var baseAssignValue = require('./_baseAssignValue'), + createAggregator = require('./_createAggregator'); + +/** + * Creates an object composed of keys generated from the results of running + * each element of `collection` thru `iteratee`. The corresponding value of + * each key is the last element responsible for generating the key. The + * iteratee is invoked with one argument: (value). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Collection + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} [iteratee=_.identity] The iteratee to transform keys. + * @returns {Object} Returns the composed aggregate object. + * @example + * + * var array = [ + * { 'dir': 'left', 'code': 97 }, + * { 'dir': 'right', 'code': 100 } + * ]; + * + * _.keyBy(array, function(o) { + * return String.fromCharCode(o.code); + * }); + * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } } + * + * _.keyBy(array, 'dir'); + * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } } + */ +var keyBy = createAggregator(function(result, value, key) { + baseAssignValue(result, key, value); +}); + +module.exports = keyBy; |