2016-04-19 22:17:16 -07:00
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define(['./_baseExtremum', './_baseGt', './_baseIteratee'], function(baseExtremum, baseGt, baseIteratee) {
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2015-12-16 17:53:20 -08:00
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/** Used as a safe reference for `undefined` in pre-ES5 environments. */
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var undefined;
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/**
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* This method is like `_.max` except that it accepts `iteratee` which is
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* invoked for each element in `array` to generate the criterion by which
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* the value is ranked. The iteratee is invoked with one argument: (value).
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*
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* @static
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* @memberOf _
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2016-03-26 00:00:01 -07:00
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* @since 4.0.0
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2015-12-16 17:53:20 -08:00
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* @category Math
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* @param {Array} array The array to iterate over.
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2016-07-24 09:52:04 -07:00
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* @param {Function} [iteratee=_.identity] The iteratee invoked per element.
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2015-12-16 17:53:20 -08:00
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* @returns {*} Returns the maximum value.
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* @example
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*
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* var objects = [{ 'n': 1 }, { 'n': 2 }];
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*
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2016-01-24 18:06:10 -08:00
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* _.maxBy(objects, function(o) { return o.n; });
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2015-12-16 17:53:20 -08:00
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* // => { 'n': 2 }
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*
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2016-02-01 23:13:04 -08:00
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* // The `_.property` iteratee shorthand.
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2015-12-16 17:53:20 -08:00
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* _.maxBy(objects, 'n');
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* // => { 'n': 2 }
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*/
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function maxBy(array, iteratee) {
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return (array && array.length)
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2016-07-24 09:52:04 -07:00
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? baseExtremum(array, baseIteratee(iteratee, 2), baseGt)
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2015-12-16 17:53:20 -08:00
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: undefined;
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}
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return maxBy;
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});
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