Revert to using mock-require but return require instead of wrapping in fn

package.json

@@ -30,7 +30,8 @@
   },
   "homepage": "https://github.com/lukechilds/requireable",
   "dependencies": {
-    "find-root": "^1.1.0"
+    "find-root": "^1.1.0",
+    "mock-require": "^2.0.2"
   },
   "devDependencies": {
     "ava": "^0.19.1",

src/index.js

@@ -1,15 +1,14 @@
 'use strict';
 
-const Module = require('module');
 const findRoot = require('find-root');
+const mock = require('mock-require');
 
 const pkg = { success: false };
 
 try {
 	pkg.path = findRoot(process.cwd());
 	pkg.name = require(pkg.path + '/package.json').name;
-	const origRequire = Module.prototype.require;
+	mock(pkg.name, require(pkg.path));
-	Module.prototype.require = pkgName => pkgName === pkg.name ? origRequire(pkg.path) : origRequire(pkgName);
 	pkg.success = true;
 } catch (err) {}