Kaido Kert | f585e26 | 2020-06-08 11:42:28 -0700 | [diff] [blame] | 1 | var baseFill = require('./_baseFill'), |
| 2 | isIterateeCall = require('./_isIterateeCall'); |
| 3 | |
| 4 | /** |
| 5 | * Fills elements of `array` with `value` from `start` up to, but not |
| 6 | * including, `end`. |
| 7 | * |
| 8 | * **Note:** This method mutates `array`. |
| 9 | * |
| 10 | * @static |
| 11 | * @memberOf _ |
| 12 | * @since 3.2.0 |
| 13 | * @category Array |
| 14 | * @param {Array} array The array to fill. |
| 15 | * @param {*} value The value to fill `array` with. |
| 16 | * @param {number} [start=0] The start position. |
| 17 | * @param {number} [end=array.length] The end position. |
| 18 | * @returns {Array} Returns `array`. |
| 19 | * @example |
| 20 | * |
| 21 | * var array = [1, 2, 3]; |
| 22 | * |
| 23 | * _.fill(array, 'a'); |
| 24 | * console.log(array); |
| 25 | * // => ['a', 'a', 'a'] |
| 26 | * |
| 27 | * _.fill(Array(3), 2); |
| 28 | * // => [2, 2, 2] |
| 29 | * |
| 30 | * _.fill([4, 6, 8, 10], '*', 1, 3); |
| 31 | * // => [4, '*', '*', 10] |
| 32 | */ |
| 33 | function fill(array, value, start, end) { |
| 34 | var length = array == null ? 0 : array.length; |
| 35 | if (!length) { |
| 36 | return []; |
| 37 | } |
| 38 | if (start && typeof start != 'number' && isIterateeCall(array, value, start)) { |
| 39 | start = 0; |
| 40 | end = length; |
| 41 | } |
| 42 | return baseFill(array, value, start, end); |
| 43 | } |
| 44 | |
| 45 | module.exports = fill; |