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.
23 lines
420 B
23 lines
420 B
1 year ago
|
/*!
|
||
|
|
* is-number <https://github.com/jonschlinkert/is-number>
|
||
|
|
*
|
||
|
|
* Copyright (c) 2014-2015, Jon Schlinkert.
|
||
|
|
* Licensed under the MIT License.
|
||
|
|
*/
|
||
|
|
|
||
|
|
'use strict';
|
||
|
|
|
||
|
|
var typeOf = require('kind-of');
|
||
|
|
|
||
|
|
module.exports = function isNumber(num) {
|
||
|
|
var type = typeOf(num);
|
||
|
|
|
||
|
|
if (type === 'string') {
|
||
|
|
if (!num.trim()) return false;
|
||
|
|
} else if (type !== 'number') {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return (num - num + 1) >= 0;
|
||
|
|
};
|