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Last change
on this file was d565449, checked in by stefan toskovski <stefantoska84@…>, 4 weeks ago |
Update repo after prototype presentation
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[d565449] | 1 | import baseSortedIndex from './_baseSortedIndex.js';
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| 2 | import eq from './eq.js';
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| 3 |
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| 4 | /**
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| 5 | * This method is like `_.indexOf` except that it performs a binary
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| 6 | * search on a sorted `array`.
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| 7 | *
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| 8 | * @static
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| 9 | * @memberOf _
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| 10 | * @since 4.0.0
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| 11 | * @category Array
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| 12 | * @param {Array} array The array to inspect.
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| 13 | * @param {*} value The value to search for.
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| 14 | * @returns {number} Returns the index of the matched value, else `-1`.
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| 15 | * @example
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| 16 | *
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| 17 | * _.sortedIndexOf([4, 5, 5, 5, 6], 5);
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| 18 | * // => 1
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| 19 | */
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| 20 | function sortedIndexOf(array, value) {
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| 21 | var length = array == null ? 0 : array.length;
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| 22 | if (length) {
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| 23 | var index = baseSortedIndex(array, value);
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| 24 | if (index < length && eq(array[index], value)) {
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| 25 | return index;
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| 26 | }
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| 27 | }
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| 28 | return -1;
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| 29 | }
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| 30 |
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| 31 | export default sortedIndexOf;
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