You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
34 lines
669 B
34 lines
669 B
3 years ago
|
var toInteger = require('./toInteger');
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Checks if `value` is an integer.
|
||
|
|
*
|
||
|
|
* **Note:** This method is based on
|
||
|
|
* [`Number.isInteger`](https://mdn.io/Number/isInteger).
|
||
|
|
*
|
||
|
|
* @static
|
||
|
|
* @memberOf _
|
||
|
|
* @since 4.0.0
|
||
|
|
* @category Lang
|
||
|
|
* @param {*} value The value to check.
|
||
|
|
* @returns {boolean} Returns `true` if `value` is an integer, else `false`.
|
||
|
|
* @example
|
||
|
|
*
|
||
|
|
* _.isInteger(3);
|
||
|
|
* // => true
|
||
|
|
*
|
||
|
|
* _.isInteger(Number.MIN_VALUE);
|
||
|
|
* // => false
|
||
|
|
*
|
||
|
|
* _.isInteger(Infinity);
|
||
|
|
* // => false
|
||
|
|
*
|
||
|
|
* _.isInteger('3');
|
||
|
|
* // => false
|
||
|
|
*/
|
||
|
|
function isInteger(value) {
|
||
|
|
return typeof value == 'number' && value == toInteger(value);
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = isInteger;
|