time-to-botec

Benchmark sampling in different programming languages
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toSafeInteger.js (836B)

      1 var baseClamp = require('./_baseClamp'),
      2     toInteger = require('./toInteger');
      3 
      4 /** Used as references for various `Number` constants. */
      5 var MAX_SAFE_INTEGER = 9007199254740991;
      6 
      7 /**
      8  * Converts `value` to a safe integer. A safe integer can be compared and
      9  * represented correctly.
     10  *
     11  * @static
     12  * @memberOf _
     13  * @since 4.0.0
     14  * @category Lang
     15  * @param {*} value The value to convert.
     16  * @returns {number} Returns the converted integer.
     17  * @example
     18  *
     19  * _.toSafeInteger(3.2);
     20  * // => 3
     21  *
     22  * _.toSafeInteger(Number.MIN_VALUE);
     23  * // => 0
     24  *
     25  * _.toSafeInteger(Infinity);
     26  * // => 9007199254740991
     27  *
     28  * _.toSafeInteger('3.2');
     29  * // => 3
     30  */
     31 function toSafeInteger(value) {
     32   return value
     33     ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)
     34     : (value === 0 ? value : 0);
     35 }
     36 
     37 module.exports = toSafeInteger;