Added condition to change value of port when options.port value is specified. (#5531)

Author: aalej

CHANGELOG.md

@@ -1,3 +1,4 @@
 - Allow configuration of the Cloud Function generated for full-stack web frameworks (#5504)
+- Fixes bug where passing `--port` flag in `functions:shell` does not set which port to emulate functions (#5521)
 - Improve error message during deploy when given invalid hosting rewrite rule (#5533)
 - Generate ESM-compatible SSR function for web frameworks (#5540)

src/functionsShellCommandAction.ts

@@ -49,6 +49,10 @@ export const actionFunction = async (options: Options) => {
   // If the port was not set by the --port flag or determined from 'firebase.json', just scan
   // up from 5000
   let port = 5000;
+  if (typeof options.port === "number") {
+    port = options.port;
+  }
+
   const functionsInfo = remoteEmulators[Emulators.FUNCTIONS];
   if (functionsInfo) {
     utils.logLabeledWarning(