Musique/node_modules/es5-ext/function/is-function.js

8 lines
273 B
JavaScript

"use strict";
var objToString = Object.prototype.toString
, isFunctionStringTag = RegExp.prototype.test.bind(/^[object [A-Za-z0-9]*Function]$/);
module.exports = function (value) {
return typeof value === "function" && isFunctionStringTag(objToString.call(value));
};