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
663 B
23 lines
663 B
var isObj = require('./isObj'); |
|
var isFn = require('./isFn'); |
|
var toSrc = require('./toSrc'); |
|
exports = function(val) { |
|
if (!isObj(val)) return false; |
|
if (isFn(val)) return regIsNative.test(toSrc(val)); |
|
|
|
return regIsHostCtor.test(toSrc(val)); |
|
}; |
|
var hasOwnProperty = Object.prototype.hasOwnProperty; |
|
var regIsNative = new RegExp( |
|
'^' + |
|
toSrc(hasOwnProperty) |
|
.replace(/[\\^$.*+?()[\]{}|]/g, '\\$&') |
|
.replace( |
|
/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, |
|
'$1.*?' |
|
) + |
|
'$' |
|
); |
|
var regIsHostCtor = /^\[object .+?Constructor\]$/; |
|
|
|
module.exports = exports;
|
|
|