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43 lines
1.3 KiB
43 lines
1.3 KiB
var baseAssignValue = require('./_baseAssignValue'), |
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baseForOwn = require('./_baseForOwn'), |
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baseIteratee = require('./_baseIteratee'); |
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/** |
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* Creates an object with the same keys as `object` and values generated |
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* by running each own enumerable string keyed property of `object` thru |
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* `iteratee`. The iteratee is invoked with three arguments: |
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* (value, key, object). |
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* |
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* @static |
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* @memberOf _ |
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* @since 2.4.0 |
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* @category Object |
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* @param {Object} object The object to iterate over. |
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* @param {Function} [iteratee=_.identity] The function invoked per iteration. |
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* @returns {Object} Returns the new mapped object. |
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* @see _.mapKeys |
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* @example |
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* |
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* var users = { |
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* 'fred': { 'user': 'fred', 'age': 40 }, |
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* 'pebbles': { 'user': 'pebbles', 'age': 1 } |
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* }; |
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* |
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* _.mapValues(users, function(o) { return o.age; }); |
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* // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed) |
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* |
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* // The `_.property` iteratee shorthand. |
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* _.mapValues(users, 'age'); |
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* // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed) |
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*/ |
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function mapValues(object, iteratee) { |
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var result = {}; |
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iteratee = baseIteratee(iteratee, 3); |
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baseForOwn(object, function(value, key, object) { |
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baseAssignValue(result, key, iteratee(value, key, object)); |
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}); |
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return result; |
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} |
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module.exports = mapValues;
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