setup-php/node_modules/object-keys/isArguments.js
Shivam Mathur 8f9786b73f init
2019-09-06 05:17:43 +05:30

18 lines
422 B
JavaScript

'use strict';
var toStr = Object.prototype.toString;
module.exports = function isArguments(value) {
var str = toStr.call(value);
var isArgs = str === '[object Arguments]';
if (!isArgs) {
isArgs = str !== '[object Array]' &&
value !== null &&
typeof value === 'object' &&
typeof value.length === 'number' &&
value.length >= 0 &&
toStr.call(value.callee) === '[object Function]';
}
return isArgs;
};