refactor: better parsing name of file

register.js

@@ -25,8 +25,7 @@ function deregisterExtension(extension) {
 
 function registerExtension(extension) {
 	require.extensions[extension] = function(module, filename) {
-		const name = path.basename(filename)
-			.slice(0, -path.extname(filename).length)
+		const name = path.parse(filename).name
 			.replace(/^\d/, '_$&')
 			.replace(/[^a-zA-Z0-9_$]/g, '');
 
@@ -46,4 +45,4 @@ function registerExtension(extension) {
 registerExtension('.svelte');
 registerExtension('.html');
 
-module.exports = register;
+module.exports = register;