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Contents
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;
Version data entries
276 entries across 274 versions & 30 rubygems