I am working on a web app, which runs compute-intensive code using Emscripten's multithreaded WASM and therefore needs SharedArrayBuffers. Those only work if my app is in Cross-Origin-Isolated mode. And to enable that, I have to set the following headers on my app:
Cross-Origin-Embedder-Policy: require-corp
Cross-Origin-Opener-Policy: same-origin
Now, I would like to use Firebase in my project - first step is to integrate Firebase's Auth. Right now, I'm using firebaseui for handling the login flow. Unfortunately, that doesn't work and when I'm starting the login flow in my browser, I can see the following message in DevTools:
Apart from the error in the network tab, I don't get any indication that an error happened (i.e. no uncaught exceptions). Without the COOP/COEP headers, everything works fine.
Is there a way that I can use Firebase's Auth in Cross-Origin-Isolated mode?