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34 lines
1.0 KiB
JavaScript
34 lines
1.0 KiB
JavaScript
6 years ago
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var baseIteratee = require('./_baseIteratee'),
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baseSortedIndexBy = require('./_baseSortedIndexBy');
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/**
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* This method is like `_.sortedIndex` except that it accepts `iteratee`
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* which is invoked for `value` and each element of `array` to compute their
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* sort ranking. The iteratee is invoked with one argument: (value).
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*
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* @static
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* @memberOf _
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* @since 4.0.0
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* @category Array
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* @param {Array} array The sorted array to inspect.
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* @param {*} value The value to evaluate.
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* @param {Function} [iteratee=_.identity] The iteratee invoked per element.
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* @returns {number} Returns the index at which `value` should be inserted
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* into `array`.
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* @example
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*
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* var objects = [{ 'x': 4 }, { 'x': 5 }];
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*
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* _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });
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* // => 0
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*
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* // The `_.property` iteratee shorthand.
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* _.sortedIndexBy(objects, { 'x': 4 }, 'x');
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* // => 0
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*/
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function sortedIndexBy(array, value, iteratee) {
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return baseSortedIndexBy(array, value, baseIteratee(iteratee, 2));
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}
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module.exports = sortedIndexBy;
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