| 1 | import baseForOwn from './_baseForOwn';
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| 2 | import baseIteratee from './_baseIteratee';
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| 3 |
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| 4 | /**
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| 5 | * The opposite of `_.mapValues`; this method creates an object with the
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| 6 | * same values as `object` and keys generated by running each own enumerable
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| 7 | * string keyed property of `object` thru `iteratee`. The iteratee is invoked
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| 8 | * with three arguments: (value, key, object).
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| 9 | *
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| 10 | * @static
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| 11 | * @memberOf _
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| 12 | * @since 3.8.0
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| 13 | * @category Object
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| 14 | * @param {Object} object The object to iterate over.
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| 15 | * @param {Array|Function|Object|string} [iteratee=_.identity]
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| 16 | * The function invoked per iteration.
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| 17 | * @returns {Object} Returns the new mapped object.
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| 18 | * @example
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| 19 | *
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| 20 | * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {
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| 21 | * return key + value;
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| 22 | * });
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| 23 | * // => { 'a1': 1, 'b2': 2 }
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| 24 | */
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| 25 | function mapKeys(object, iteratee) {
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| 26 | var result = {};
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| 27 | iteratee = baseIteratee(iteratee, 3);
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| 28 |
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| 29 | baseForOwn(object, function(value, key, object) {
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| 30 | result[iteratee(value, key, object)] = value;
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| 31 | });
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| 32 | return result;
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| 33 | }
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| 34 |
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| 35 | export default mapKeys;
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