fixes #33: Only listen to functionTarget.

Author: grant

src/index.ts

@@ -96,7 +96,7 @@ if (!USER_FUNCTION) {
   process.exit(1);
 }
 
-const SERVER = getServer(USER_FUNCTION!, SIGNATURE_TYPE!);
+const SERVER = getServer(USER_FUNCTION!, SIGNATURE_TYPE!, TARGET);
 const ERROR_HANDLER = new ErrorHandler(SERVER);
 SERVER.listen(PORT, () => {
   ERROR_HANDLER.register();

src/invoker.ts

@@ -548,13 +548,14 @@ export class ErrorHandler {
  */
 export function getServer(
   userFunction: HandlerFunction,
-  functionSignatureType: SignatureType
+  functionSignatureType: SignatureType,
+  functionTarget: string
 ): http.Server {
   // App to use for function executions.
   const app = express();
 
   // Set request-specific values in the very first middleware.
-  app.use('/*', (req, res, next) => {
+  app.use(`/${functionTarget}`, (req, res, next) => {
     latestRes = res;
     res.locals.functionExecutionFinished = false;
     next();