source: imaps-frontend/node_modules/lodash-es/indexOf.js

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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]1import baseIndexOf from './_baseIndexOf.js';
2import toInteger from './toInteger.js';
3
4/* Built-in method references for those with the same name as other `lodash` methods. */
5var nativeMax = Math.max;
6
7/**
8 * Gets the index at which the first occurrence of `value` is found in `array`
9 * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
10 * for equality comparisons. If `fromIndex` is negative, it's used as the
11 * offset from the end of `array`.
12 *
13 * @static
14 * @memberOf _
15 * @since 0.1.0
16 * @category Array
17 * @param {Array} array The array to inspect.
18 * @param {*} value The value to search for.
19 * @param {number} [fromIndex=0] The index to search from.
20 * @returns {number} Returns the index of the matched value, else `-1`.
21 * @example
22 *
23 * _.indexOf([1, 2, 1, 2], 2);
24 * // => 1
25 *
26 * // Search from the `fromIndex`.
27 * _.indexOf([1, 2, 1, 2], 2, 2);
28 * // => 3
29 */
30function indexOf(array, value, fromIndex) {
31 var length = array == null ? 0 : array.length;
32 if (!length) {
33 return -1;
34 }
35 var index = fromIndex == null ? 0 : toInteger(fromIndex);
36 if (index < 0) {
37 index = nativeMax(length + index, 0);
38 }
39 return baseIndexOf(array, value, index);
40}
41
42export default indexOf;
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