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32 lines
897 B
32 lines
897 B
var isSymbol = require('./isSymbol'); |
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/** |
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* The base implementation of methods like `_.max` and `_.min` which accepts a |
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* `comparator` to determine the extremum value. |
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* |
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* @private |
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* @param {Array} array The array to iterate over. |
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* @param {Function} iteratee The iteratee invoked per iteration. |
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* @param {Function} comparator The comparator used to compare values. |
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* @returns {*} Returns the extremum value. |
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*/ |
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function baseExtremum(array, iteratee, comparator) { |
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var index = -1, |
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length = array.length; |
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while (++index < length) { |
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var value = array[index], |
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current = iteratee(value); |
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if (current != null && (computed === undefined |
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? (current === current && !isSymbol(current)) |
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: comparator(current, computed) |
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)) { |
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var computed = current, |
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result = value; |
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} |
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} |
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return result; |
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} |
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module.exports = baseExtremum;
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