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1 | var baseExtremum = require('./_baseExtremum'),
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2 | baseIteratee = require('./_baseIteratee'),
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3 | baseLt = require('./_baseLt');
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4 |
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5 | /**
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6 | * This method is like `_.min` 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 minimum 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 | * _.minBy(objects, function(o) { return o.n; });
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22 | * // => { 'n': 1 }
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23 | *
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24 | * // The `_.property` iteratee shorthand.
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25 | * _.minBy(objects, 'n');
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26 | * // => { 'n': 1 }
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27 | */
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28 | function minBy(array, iteratee) {
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29 | return (array && array.length)
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30 | ? baseExtremum(array, baseIteratee(iteratee, 2), baseLt)
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31 | : undefined;
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32 | }
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33 |
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34 | module.exports = minBy;
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