Fix so nonexistant dirs throw an error

next.config.js

@@ -35,12 +35,13 @@ class CustomResolver {
         const resolvedDir =
           path.join(__dirname, match.groups.dir, dirPath.join('/'))
 
-        let selectedPath = request.request
+        // Default to basic (no extension)
+        let selectedPath = path.join(resolvedDir, componentDir)
 
+        // Attempt a few paths with an extension, just in case
         const pathsToCheck = [
           path.join(resolvedDir, componentDir, componentDir + '.js'),
-          path.join(resolvedDir, componentDir + '.js'),
+          path.join(resolvedDir, componentDir + '.js')
-          path.join(resolvedDir, componentDir)
         ]
 
         for(const path of pathsToCheck)