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js-dos v8's C extraction code (jsdos-libzip.c) iterates ZIP entries
linearly and calls mkdir() on each directory entry. If a child
directory appears before its parent, mkdir() fails with perror()
and exit(1) — fatal crash with 'No such file or directory'.
Previous approach wrote directory entries interleaved with files,
deepest-first (from the file path right-to-left). Now:
Phase 1: Walk entire file tree to discover ALL directories
Phase 2: Write ALL dir entries sorted (shallowest first via TreeSet
natural ordering — '/' sorts before any letter)
Phase 3: Write .jsdos/ config files
Phase 4: Write game files (parents already exist from Phase 2)
This guarantees that mkdir("NAS50TH/TRACKS/") runs before
mkdir("NAS50TH/TRACKS/WILKES/"), which runs before open().
Dostalgia — Quarkus Edition
A nostalgic DOS game hub. Upload your old DOS games, scrape artwork, and play them directly in the browser via js-dos (WebAssembly DOSBox).
Quick Start
# Build and run with Docker
docker build -t dostalgia .
docker run -p 8765:8765 -v $(pwd)/data:/data dostalgia
Development (without Docker)
Terminal 1 — Frontend dev server:
cd frontend && npm install && npm run dev
Terminal 2 — Quarkus dev server:
mvn quarkus:dev
Open http://localhost:5173 (Vite proxies API calls to Quarkus on port 8765)
Production build (local)
cd frontend && npm install && npm run build
mvn package -DskipTests
java -jar target/quarkus-app/quarkus-run.jar
Architecture
- Backend: Quarkus (Java 21, JAX-RS) — ~5 REST resource classes, zero database
- Frontend: Svelte 5 SPA with hash-based routing
- Emulation: js-dos v8 loaded from CDN, runs DOSBox in WebAssembly
- Storage: JSON-per-game under
/data/games/{id}/game.json
API
| Method | Path | Description |
|---|---|---|
| GET | /api/games |
List all games |
| GET | /api/games/:id |
Get game details |
| PATCH | /api/games/:id |
Update game metadata |
| DELETE | /api/games/:id |
Delete a game |
| POST | /api/upload |
Upload a game ZIP (multipart) |
| POST | /api/games/:id/cover |
Upload cover art |
| GET | /api/igdb/search?q= |
Search IGDB (placeholder) |
Game JSON Schema
{
"id": "doom",
"title": "Doom",
"year": 1993,
"genre": "FPS",
"developer": "id Software",
"bundle_file": "doom.jsdos",
"has_cover": true,
"ready": true
}