| var baseClamp = require('./_baseClamp'), |
| toInteger = require('./toInteger'); |
| |
| /** Used as references for the maximum length and index of an array. */ |
| var MAX_ARRAY_LENGTH = 4294967295; |
| |
| /** |
| * Converts `value` to an integer suitable for use as the length of an |
| * array-like object. |
| * |
| * **Note:** This method is based on |
| * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength). |
| * |
| * @static |
| * @memberOf _ |
| * @since 4.0.0 |
| * @category Lang |
| * @param {*} value The value to convert. |
| * @returns {number} Returns the converted integer. |
| * @example |
| * |
| * _.toLength(3.2); |
| * // => 3 |
| * |
| * _.toLength(Number.MIN_VALUE); |
| * // => 0 |
| * |
| * _.toLength(Infinity); |
| * // => 4294967295 |
| * |
| * _.toLength('3.2'); |
| * // => 3 |
| */ |
| function toLength(value) { |
| return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0; |
| } |
| |
| module.exports = toLength; |