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on this file since 59329aa was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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[6a3a178] | 1 | var baseExtremum = require('./_baseExtremum'),
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| 2 | baseGt = require('./_baseGt'),
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| 3 | baseIteratee = require('./_baseIteratee');
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| 4 |
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| 5 | /**
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| 6 | * This method is like `_.max` except that it accepts `iteratee` which is
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| 7 | * invoked for each element in `array` to generate the criterion by which
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| 8 | * the value is ranked. The iteratee is invoked with one argument: (value).
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| 9 | *
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| 10 | * @static
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| 11 | * @memberOf _
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| 12 | * @since 4.0.0
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| 13 | * @category Math
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| 14 | * @param {Array} array The array to iterate over.
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| 15 | * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
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| 16 | * @returns {*} Returns the maximum value.
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| 17 | * @example
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| 18 | *
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| 19 | * var objects = [{ 'n': 1 }, { 'n': 2 }];
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| 20 | *
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| 21 | * _.maxBy(objects, function(o) { return o.n; });
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| 22 | * // => { 'n': 2 }
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| 23 | *
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| 24 | * // The `_.property` iteratee shorthand.
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| 25 | * _.maxBy(objects, 'n');
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| 26 | * // => { 'n': 2 }
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| 27 | */
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| 28 | function maxBy(array, iteratee) {
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| 29 | return (array && array.length)
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| 30 | ? baseExtremum(array, baseIteratee(iteratee, 2), baseGt)
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| 31 | : undefined;
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| 32 | }
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| 33 |
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| 34 | module.exports = maxBy;
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