mirror of
https://github.com/actions/setup-python
synced 2024-11-30 21:22:28 +08:00
43 lines
1.2 KiB
JavaScript
43 lines
1.2 KiB
JavaScript
|
var baseIndexOf = require('./_baseIndexOf'),
|
||
|
|
toInteger = require('./toInteger');
|
||
|
|
|
||
|
|
/* Built-in method references for those with the same name as other `lodash` methods. */
|
||
|
|
var nativeMax = Math.max;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets the index at which the first occurrence of `value` is found in `array`
|
||
|
|
* using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
|
||
|
|
* for equality comparisons. If `fromIndex` is negative, it's used as the
|
||
|
|
* offset from the end of `array`.
|
||
|
|
*
|
||
|
|
* @static
|
||
|
|
* @memberOf _
|
||
|
|
* @since 0.1.0
|
||
|
|
* @category Array
|
||
|
|
* @param {Array} array The array to inspect.
|
||
|
|
* @param {*} value The value to search for.
|
||
|
|
* @param {number} [fromIndex=0] The index to search from.
|
||
|
|
* @returns {number} Returns the index of the matched value, else `-1`.
|
||
|
|
* @example
|
||
|
|
*
|
||
|
|
* _.indexOf([1, 2, 1, 2], 2);
|
||
|
|
* // => 1
|
||
|
|
*
|
||
|
|
* // Search from the `fromIndex`.
|
||
|
|
* _.indexOf([1, 2, 1, 2], 2, 2);
|
||
|
|
* // => 3
|
||
|
|
*/
|
||
|
|
function indexOf(array, value, fromIndex) {
|
||
|
|
var length = array == null ? 0 : array.length;
|
||
|
|
if (!length) {
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
var index = fromIndex == null ? 0 : toInteger(fromIndex);
|
||
|
|
if (index < 0) {
|
||
|
|
index = nativeMax(length + index, 0);
|
||
|
|
}
|
||
|
|
return baseIndexOf(array, value, index);
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = indexOf;
|