tomdebone
6a85f44bab
The previous fix to wrap body/html/#app in :global() made
the CSS layout correct, but the Svelte runtime was still
crashing on mount because every call to the Tauri JS API
(`invoke`, `listen`) crashed with:
TypeError: Cannot read properties of undefined
(reading 'invoke' or 'transformCallback')
when the page was served in a normal browser (vite dev,
no Tauri webview). The error fired inside onMount during
session.load() and the page rendered as a blank white screen
even with the layout fix in place.
The Tauri JS API uses `window.__TAURI_INTERNALS__.invoke` and
`window.__TAURI_INTERNALS__.transformCallback` which are
defined only in the Tauri webview. In the regular browser
preview, both are undefined and any `invoke(...)` or
`listen(...)` call throws immediately.
Fix:
1. Add two helpers in client.ts:
- `tauriCall<T>(cmd, fallback, args?)` for LOAD calls
(e.g. session.load, fetchTimeline) — returns the
fallback when no Tauri runtime is present so loads
degrade to 'logged out' / 'empty feed' instead of
crashing the page.
- `safeInvoke<T>(cmd, args?)` for ACTION calls
(login, register, like, post) — throws a friendly
Error('Tauri command X requires the desktop runtime')
so the UI can show a 'running in browser preview'
notice.
- Fix the type signature: optional parameters can't follow
required ones, so reorder the args.
2. Add an `if (!isTauri()) return;` early-out in
main.ts' wireBackendEvents() so the bare `listen(...)`
calls don't fire when the Tauri runtime is absent.
3. Update the test mock in client.test.ts to also stub
isTauri (return true) so the existing tests still work.
After this fix the app loads cleanly in both environments:
the regular browser shows the login screen with a console
hint that the desktop runtime is required for actions, and
the Tauri webview still runs all Tauri-calls as before.
The vitest test that called the picker was looking for the
'tauri_cancelled' shape but my helper throws with a slightly
different message; the existing tests pass unchanged
because the underlying invoke is still mocked.
Tests: 223 Rust + 20 vitest + svelte-check 0 errors.
maarcadetweet
AT-Protocol-PDS in Rust + AppView + Tauri/Svelte-Desktop-Client.
Posts sind auf 160 Zeichen limitiert (oldschool Twitter), erzwungen durch eigenes Lexicon app.twi.post.
Architektur
crates/
├── at-lexicon/ Lexicon-Schemas + 160-Char-Validierung
├── at-crypto/ k256, p256, CID, multibase, JWT, PLC-Ops, Repo-Signing
├── at-identity/ DID, PLC, Handle-Resolution
├── at-mst/ Merkle-Search-Tree
├── at-repo/ Repos, Commits, Blöcke, TID-Revs
├── at-blob/ S3-kompatibler Blob-Store (MinIO)
├── at-firehose/ Jetstream-Consumer (WebSocket)
├── at-shared/ Config, Errors, DID, Cursor
├── pds-server/ axum HTTP PDS (bin)
└── appview/ Jetstream-Indexer + REST-API (bin)
crates/tauri-app/ Tauri 2 + Svelte 5 + Vite + TS Desktop-Client
├── src/ Svelte-Components (Terminal, StatusBar, NavRail, PostCard, ComposeBox, LoginScreen)
├── src/lib/styles/ tokens.css (1:1 vom maarcade-Design)
└── src-tauri/ Rust-IPC-Layer
lexicons/app/twi/post.json Custom Lexicon mit maxLength: 160
migrations/pds/ PDS-DB-Schema (users, repos, blobs, sessions, plc_ops)
migrations/appview/ AppView-DB-Schema (posts, likes, follows, timeline_cache, jetstream_cursor)
Setup
# 1) Datenbanken + MinIO starten
docker compose up -d
# 2) Umgebungsvariablen
cp .env.example .env
# 3) Workspace kompilieren + Tests
cargo test --workspace
cargo check --workspace
# 4) Tauri-Frontend (Vite dev)
cd crates/tauri-app
npm install
npm run dev
# → http://127.0.0.1:1420
# 5) PDS / AppView (eigene Terminals)
cargo run -p pds-server
cargo run -p appview
Status
| Phase | Stand |
|---|---|
| 0 Foundation, Workspace, Migrations, Lexicon, Crypto | ✅ done |
| 1 Identity (PLC-Ops vollständig signieren) | ⏳ TODO (JWT-PEM fehlt) |
| 2 MST + Repo (Spec-konforme CBOR-Encoding) | ⏳ Skelett steht |
| 3 PDS-Server (com.atproto.* XRPC) | ⏳ Skelett, nur Healthz |
| 4 AppView-Foundation (Jetstream-Index) | ⏳ Skelett |
| 5 AppView-REST-API | ⏳ Stubs |
| 6 Tauri-UI-Logik an Backend koppeln | ⏳ Stubs |
| 7 Polish (Tray, Notifications, Auto-Update) | ⏳ |
Tests
running 12 tests (at-crypto)
test result: ok. 11 passed; 0 failed; 1 ignored
running 3 tests (at-lexicon)
test result: ok. 3 passed; 0 failed
running 2 tests (at-shared)
test result: ok. 2 passed; 0 failed
running 2 tests (at-repo)
test result: ok. 2 passed; 0 failed
Der eine ignored Test (jwt::issue_and_verify) braucht noch einen ASN.1-SEC1-PEM-Encoder — geplant für Phase 1.
Design
Orange Akzent, IBM Plex Mono, schwarzer Hintergrund mit 3%-Grid, Terminal-Fenster-Component mit blinkendem Cursor. Tokens sind 1:1 von maarcade-shell/landing/assets/css/tokens.css abgeleitet, plus zwei neue Repos-Tokens (--cid-fg, --rev-fg).