mirror of https://github.com/jkjoy/sunpeiwen.git
10 lines
244 B
JavaScript
10 lines
244 B
JavaScript
|
'use strict';
|
||
|
|
|
||
|
|
var functionName = require('function.prototype.name');
|
||
|
|
|
||
|
|
var anon = functionName(function () {});
|
||
|
|
|
||
|
|
module.exports = function isAbstractClosure(x) {
|
||
|
|
return typeof x === 'function' && (!x.prototype || functionName(x) === anon);
|
||
|
|
};
|