EVOLUTION-NINJA

Edit File: is-plain-function.js

"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)); };