describe the problem

The URL used to call the transform fn is not correct. This extension will continue to call the remote project rather than the local demo porject.

firestore-algolia-search/functions/src/transform.ts

Line 24 in 5bfc57d

const response = await fetch(`https://${ config.location }-${ config.projectId }.cloudfunctions.net/${ config.transformFunction }`, {

references

https://firebase.google.com/docs/emulator-suite/install_and_configure#use_the_emulator_hub_rest_api

https://firebase.google.com/docs/emulator-suite/use_extensions

Project IDs for demo projects have the demo- prefix.

https://firebase.google.com/docs/functions/local-emulator#instrument_your_app_for_https_functions_emulation

https://localhost:5001/$PROJECT/us-central1/helloWorld