1234567891011121314151617181920212223242526272829303132333435363738 |
- 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;
|