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Diffstat (limited to 'node_modules/lodash/mapKeys.js')
-rw-r--r-- | node_modules/lodash/mapKeys.js | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/node_modules/lodash/mapKeys.js b/node_modules/lodash/mapKeys.js new file mode 100644 index 0000000..3b68797 --- /dev/null +++ b/node_modules/lodash/mapKeys.js @@ -0,0 +1,36 @@ +var baseAssignValue = require('./_baseAssignValue'), + baseForOwn = require('./_baseForOwn'), + baseIteratee = require('./_baseIteratee'); + +/** + * The opposite of `_.mapValues`; this method creates an object with the + * same values as `object` and keys generated by running each own enumerable + * string keyed property of `object` thru `iteratee`. The iteratee is invoked + * with three arguments: (value, key, object). + * + * @static + * @memberOf _ + * @since 3.8.0 + * @category Object + * @param {Object} object The object to iterate over. + * @param {Function} [iteratee=_.identity] The function invoked per iteration. + * @returns {Object} Returns the new mapped object. + * @see _.mapValues + * @example + * + * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) { + * return key + value; + * }); + * // => { 'a1': 1, 'b2': 2 } + */ +function mapKeys(object, iteratee) { + var result = {}; + iteratee = baseIteratee(iteratee, 3); + + baseForOwn(object, function(value, key, object) { + baseAssignValue(result, iteratee(value, key, object), value); + }); + return result; +} + +module.exports = mapKeys; |