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33 lines
897 B
33 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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