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on this file since 571e0df was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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1 | var isSymbol = require('./isSymbol');
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2 |
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3 | /**
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4 | * The base implementation of methods like `_.max` and `_.min` which accepts a
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5 | * `comparator` to determine the extremum value.
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6 | *
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7 | * @private
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8 | * @param {Array} array The array to iterate over.
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9 | * @param {Function} iteratee The iteratee invoked per iteration.
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10 | * @param {Function} comparator The comparator used to compare values.
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11 | * @returns {*} Returns the extremum value.
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12 | */
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13 | function baseExtremum(array, iteratee, comparator) {
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14 | var index = -1,
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15 | length = array.length;
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16 |
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17 | while (++index < length) {
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18 | var value = array[index],
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19 | current = iteratee(value);
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20 |
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21 | if (current != null && (computed === undefined
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22 | ? (current === current && !isSymbol(current))
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23 | : comparator(current, computed)
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24 | )) {
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25 | var computed = current,
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26 | result = value;
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27 | }
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28 | }
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29 | return result;
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30 | }
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31 |
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32 | module.exports = baseExtremum;
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