error: FirebaseError: Response is not valid JSON object.

[kachick]

It looks intentional, but it makes confusion except the author.
One of the reason is ... these comments appears in code multiple times.
Would it be better when adding notes which code will relate to the current console error.

hashira/hashira-web/src/firebase.ts

Lines 148 to 152 in 2e57b95

	} catch (e) {
	// FIXME:
	// currently cloud functions doesn't return appropriate response
	// that fits httpsCallable protocol even if the function succeeded.
	console.log("error:", e);

hashira/hashira-web/src/firebase.ts

Lines 189 to 194 in 2e57b95

	} catch (e) {
	// FIXME:
	// currently cloud functions doesn't return appropriate response
	// that fits httpsCallable protocol even if the function succeeded.
	console.log("error:", e);
	}

hashira/hashira-web/src/firebase.ts

Lines 209 to 214 in 2e57b95

	} catch (e) {
	// FIXME:
	// currently cloud functions doesn't return appropriate response
	// that fits httpsCallable protocol even if the function succeeded.
	console.log("error:", e);
	}

hashira/hashira-web/src/firebase.ts

Lines 223 to 228 in 2e57b95

	} catch (e) {
	// FIXME:
	// currently cloud functions doesn't return appropriate response
	// that fits httpsCallable protocol even if the function succeeded.
	console.log("error:", e);
	}

[kachick]

Original problem is not yet resolved

[kachick]

I suspect that backend does not correctly return JSON object... 🤔

https://github.com/pankona/hashira/blob/fec942f373cfa12c63c6af4c275e1f2c3c169b9e/hashira-web/functions/func.go