devsite/node_modules/is-number/index.js

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2024-07-08 01:49:38 +00:00
/*!
* is-number <https://github.com/jonschlinkert/is-number>
*
* Copyright (c) 2014-present, Jon Schlinkert.
* Released under the MIT License.
*/
'use strict';
module.exports = function(num) {
if (typeof num === 'number') {
return num - num === 0;
}
if (typeof num === 'string' && num.trim() !== '') {
return Number.isFinite ? Number.isFinite(+num) : isFinite(+num);
}
return false;
};