1 |
3a515b92
|
cagy
|
/**
|
2 |
|
|
* The base implementation of `_.findIndex` and `_.findLastIndex` without
|
3 |
|
|
* support for iteratee shorthands.
|
4 |
|
|
*
|
5 |
|
|
* @private
|
6 |
|
|
* @param {Array} array The array to inspect.
|
7 |
|
|
* @param {Function} predicate The function invoked per iteration.
|
8 |
|
|
* @param {number} fromIndex The index to search from.
|
9 |
|
|
* @param {boolean} [fromRight] Specify iterating from right to left.
|
10 |
|
|
* @returns {number} Returns the index of the matched value, else `-1`.
|
11 |
|
|
*/
|
12 |
|
|
function baseFindIndex(array, predicate, fromIndex, fromRight) {
|
13 |
|
|
var length = array.length,
|
14 |
|
|
index = fromIndex + (fromRight ? 1 : -1);
|
15 |
|
|
|
16 |
|
|
while ((fromRight ? index-- : ++index < length)) {
|
17 |
|
|
if (predicate(array[index], index, array)) {
|
18 |
|
|
return index;
|
19 |
|
|
}
|
20 |
|
|
}
|
21 |
|
|
return -1;
|
22 |
|
|
}
|
23 |
|
|
|
24 |
|
|
module.exports = baseFindIndex;
|