38 lines
		
	
	
		
			836 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
		
		
			
		
	
	
			38 lines
		
	
	
		
			836 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
|  | var baseClamp = require('./_baseClamp'), | ||
|  |     toInteger = require('./toInteger'); | ||
|  | 
 | ||
|  | /** Used as references for various `Number` constants. */ | ||
|  | var MAX_SAFE_INTEGER = 9007199254740991; | ||
|  | 
 | ||
|  | /** | ||
|  |  * Converts `value` to a safe integer. A safe integer can be compared and | ||
|  |  * represented correctly. | ||
|  |  * | ||
|  |  * @static | ||
|  |  * @memberOf _ | ||
|  |  * @since 4.0.0 | ||
|  |  * @category Lang | ||
|  |  * @param {*} value The value to convert. | ||
|  |  * @returns {number} Returns the converted integer. | ||
|  |  * @example | ||
|  |  * | ||
|  |  * _.toSafeInteger(3.2); | ||
|  |  * // => 3
 | ||
|  |  * | ||
|  |  * _.toSafeInteger(Number.MIN_VALUE); | ||
|  |  * // => 0
 | ||
|  |  * | ||
|  |  * _.toSafeInteger(Infinity); | ||
|  |  * // => 9007199254740991
 | ||
|  |  * | ||
|  |  * _.toSafeInteger('3.2'); | ||
|  |  * // => 3
 | ||
|  |  */ | ||
|  | function toSafeInteger(value) { | ||
|  |   return value | ||
|  |     ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER) | ||
|  |     : (value === 0 ? value : 0); | ||
|  | } | ||
|  | 
 | ||
|  | module.exports = toSafeInteger; |