-var path = require('../internals/path');
var global = require('../internals/global');
+var isCallable = require('../internals/is-callable');
-var aFunction = function (variable) {
- return typeof variable == 'function' ? variable : undefined;
+var aFunction = function (argument) {
+ return isCallable(argument) ? argument : undefined;
};
module.exports = function (namespace, method) {
- return arguments.length < 2 ? aFunction(path[namespace]) || aFunction(global[namespace])
- : path[namespace] && path[namespace][method] || global[namespace] && global[namespace][method];
+ return arguments.length < 2 ? aFunction(global[namespace]) : global[namespace] && global[namespace][method];
};