time-to-botec

Benchmark sampling in different programming languages
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toLength.js (868B)

      1 var baseClamp = require('./_baseClamp'),
      2     toInteger = require('./toInteger');
      3 
      4 /** Used as references for the maximum length and index of an array. */
      5 var MAX_ARRAY_LENGTH = 4294967295;
      6 
      7 /**
      8  * Converts `value` to an integer suitable for use as the length of an
      9  * array-like object.
     10  *
     11  * **Note:** This method is based on
     12  * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
     13  *
     14  * @static
     15  * @memberOf _
     16  * @since 4.0.0
     17  * @category Lang
     18  * @param {*} value The value to convert.
     19  * @returns {number} Returns the converted integer.
     20  * @example
     21  *
     22  * _.toLength(3.2);
     23  * // => 3
     24  *
     25  * _.toLength(Number.MIN_VALUE);
     26  * // => 0
     27  *
     28  * _.toLength(Infinity);
     29  * // => 4294967295
     30  *
     31  * _.toLength('3.2');
     32  * // => 3
     33  */
     34 function toLength(value) {
     35   return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;
     36 }
     37 
     38 module.exports = toLength;