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44 lines
1.3 KiB
44 lines
1.3 KiB
8 months ago
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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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