singularity-forge/native/README.md
TÂCHES c669c6183a feat: Rust native engine scaffold with grep module
* feat: scaffold Rust native engine with grep module (napi-rs)

Adds a Rust N-API addon architecture inspired by Oh My Pi's pi-natives.
The grep module wraps ripgrep's core crates (grep-regex, grep-searcher,
grep-matcher) and exposes `search()` and `grep()` to Node.js via napi-rs.

Includes:
- Cargo workspace at native/ with engine (cdylib) and grep (lib) crates
- Build script (native/scripts/build.js) producing platform-tagged .node files
- TypeScript wrapper package (@gsd/native) with types and loader
- 6 Rust unit tests + 9 Node.js integration tests (all passing)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* fix: audit fixes for rust native engine PR

- Fix repository URL to gsd-build/gsd-2
- Remove dead add_custom_ignore_filename("") call
- Unify error model: search() now returns Result<> (throws) matching grep()
- Remove error field from NapiSearchResult and SearchResult types
- Use t.after() in integration tests for reliable temp dir cleanup

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-13 12:21:09 -06:00

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# GSD Native Engine
Rust N-API addon providing high-performance native modules for GSD.
## Architecture
```
JS (packages/native) -> N-API -> Rust crates
├── engine/ (N-API bindings, cdylib)
└── grep/ (ripgrep internals, pure Rust lib)
```
Inspired by [Oh My Pi's pi-natives](https://github.com/can1357/oh-my-pi), adapted for GSD's Node.js runtime.
## Prerequisites
- **Rust** (stable, 1.70+): https://rustup.rs
- **Node.js** (20.6+)
## Build
```bash
# Release build (optimized)
npm run build:native
# Debug build (fast compile, no optimizations)
npm run build:native:dev
```
The build script compiles the Rust code and copies the `.node` shared library to `native/addon/`.
## Test
```bash
# Rust unit tests
cd native && cargo test
# Node.js integration tests
npm run test:native
```
## Modules
### grep
Ripgrep-backed regex search using the `grep-regex`, `grep-searcher`, and `grep-matcher` crates.
**Functions:**
- `search(content, options)` — Search in-memory Buffer/Uint8Array content
- `grep(options)` — Search files on disk with glob filtering and .gitignore support
**TypeScript usage:**
```typescript
import { grep, searchContent } from "@gsd/native";
// Search files
const result = grep({
pattern: "TODO",
path: "./src",
glob: "*.ts",
ignoreCase: true,
maxCount: 100,
});
// Search content
const contentResult = searchContent(Buffer.from(fileContent), {
pattern: "function\\s+\\w+",
contextBefore: 2,
contextAfter: 2,
});
```
## Adding New Modules
1. Create a new crate in `native/crates/` (pure Rust library)
2. Add N-API bindings in `native/crates/engine/src/`
3. Add TypeScript wrapper in `packages/native/src/`
4. Add the crate to `engine/Cargo.toml` dependencies