Allow blank locale

Author: jamesdaniels

package.json

@@ -1,6 +1,6 @@
 {
   "name": "firebase-frameworks",
-  "version": "0.10.2",
+  "version": "0.10.3",
   "description": "Experimental addon to the Firebase CLI to add web framework support",
   "main": "dist/index.js",
   "repository": "FirebaseExtended/firebase-framework-tools",

src/angular/index.ts

@@ -15,7 +15,7 @@ export const handle = async (req: Request, res: Response) => {
         if (
             typeof src !== "string" ||
             typeof locale !== "string" ||
-            !LOCALE_FORMATS.some(it => locale.match(it)) ||
+            !!locale && !LOCALE_FORMATS.some(it => locale.match(it)) ||
             !NG_BROWSER_OUTPUT_PATH
         ) return res.sendStatus(404);
         const normalizedPath = normalize(join(NG_BROWSER_OUTPUT_PATH, locale, src));