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feat(firebase)!: promote to v1.0.0 — cache auth.Client, adopt xerrors, bump deps to v1

Cache auth.Client in OnInit (eliminates per-probe app.Auth call in HealthCheck).
Replace all fmt.Errorf with xerrors structured errors (ErrInvalidInput / ErrInternal).
Bump health/launcher/logz to v1.0.1, add xerrors v1.0.1, Go directive to 1.26.
API committed as stable.

2026-05-12 18:15:57 +00:00

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v1.0.0

code.nochebuena.dev/go/firebase

Overview

firebase manages the lifecycle of a firebase.google.com/go/v4 App: validates configuration at init time, initialises the SDK App, exposes the native *firebase.App to consumers, and performs health checks by probing the Firebase Auth service.

v1.0.0 caches the auth.Client inside the component (eliminating per-probe allocation), adopts xerrors for all structured error returns, bumps all micro-lib dependencies to v1, and commits the API as stable.

What Changed Since v0.9.0

Auth client cached in `OnInit`

OnInit now calls app.Auth(context.Background()) once and stores the result on the component. HealthCheck uses the cached client directly — no per-probe app.Auth(ctx) call.

Structured errors via `xerrors`

All fmt.Errorf calls replaced with xerrors:

Situation	Code
`ProjectID` empty	`ErrInvalidInput`
`fb.NewApp` fails	`ErrInternal` (wraps SDK error)
`app.Auth` fails	`ErrInternal` (wraps SDK error)
`HealthCheck` before `OnInit`	`ErrInternal`

Dependency updates

health, launcher, logz bumped from v0.9.x to v1.0.1
xerrors v1.0.1 added as direct dependency
Go directive bumped from 1.25 to 1.26

Full API (stable)

Config — ProjectID string (FIREBASE_PROJECT_ID, required)
Provider — App() *fb.App
Component — embeds launcher.Component + health.Checkable + Provider
New(logger, cfg) Component

Installation

go get code.nochebuena.dev/go/firebase@v1.0.0

Changelog

See CHANGELOG.md.

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