8c54882118
Add tree-sitter-md for markdown parsing with injection support for fenced code blocks. Code inside markdown code fences (```rust, ```bash, etc.) is now fully syntax highlighted. Key fix: Use `#set! injection.include-children` directive in the injection query to override tree-sitter-md's internal tokenization of code_fence_content, allowing proper language injection. - Add tree-sitter-md v0.5.2 dependency - Add Markdown variant to Language enum (md, markdown aliases) - Create queries/md-highlights.scm (minimal markdown highlights) - Create queries/md-injections.scm (with include-children directive) - Add test: test_markdown_injection_rust
88 lines
1.8 KiB
Markdown
88 lines
1.8 KiB
Markdown
---
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title: Syntax Highlighting
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description: Build-time code highlighting with Tree-sitter
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weight: 3
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---
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# Syntax Highlighting
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sukr highlights code blocks at build time using Tree-sitter. No client-side JavaScript required.
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## Usage
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Use fenced code blocks with a language identifier:
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````md
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```rust
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fn main() {
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println!("Hello, world!");
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}
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```
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````
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## Supported Languages
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| Language | Identifier |
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| ---------- | --------------------- |
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| Rust | `rust`, `rs` |
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| Python | `python`, `py` |
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| JavaScript | `javascript`, `js` |
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| TypeScript | `typescript`, `ts` |
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| Go | `go`, `golang` |
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| Bash | `bash`, `sh`, `shell` |
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| Nix | `nix` |
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| TOML | `toml` |
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| YAML | `yaml`, `yml` |
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| JSON | `json` |
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| HTML | `html` |
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| CSS | `css` |
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| Markdown | `markdown`, `md` |
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## How It Works
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1. During Markdown parsing, code blocks are intercepted
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2. Tree-sitter parses the code and generates a syntax tree
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3. Spans are generated with semantic CSS classes
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4. All work happens at build time
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## Styling
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Highlighted code uses semantic CSS classes:
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```css
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.keyword {
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color: #ff79c6;
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}
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.string {
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color: #f1fa8c;
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}
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.function {
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color: #50fa7b;
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}
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.comment {
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color: #6272a4;
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}
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.number {
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color: #bd93f9;
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}
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```
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The exact classes depend on the language grammar.
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## Nix Language Support
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sukr includes full Nix highlighting with injection support. Bash code inside `buildPhase` and similar attributes is highlighted correctly:
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```nix
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stdenv.mkDerivation {
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buildPhase = ''
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echo "Building..."
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make -j$NIX_BUILD_CORES
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'';
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}
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```
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## Fallback
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Unknown languages fall back to plain `<code>` blocks without highlighting.
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