IOTConnect-Web/node_modules/es5-ext/object/is-plain-function.js
2024-05-09 09:49:52 +08:00

12 lines
350 B
JavaScript

"use strict";
var isClassStr = RegExp.prototype.test.bind(/^\s*class[\s{/}]/)
, fnToString = Function.prototype.toString;
module.exports = function (fn) {
if (typeof fn !== "function") return false;
if (typeof fn.call !== "function") return false;
if (typeof fn.apply !== "function") return false;
return !isClassStr(fnToString.call(fn));
};