Website Playground Lumis Installation Languages Architecture Community

Recipes Minimal HTML Auto-detect language Linked HTML with CSS theme file Tailwind CSS Multi-theme HTML Terminal output Wrap output with custom HTML Custom theme from JSON Customize Theme Styles Injected languages (HTML + CSS + JS)Phoenix LiveView rendering Stream output to a file (Rust)Generate CSS from a theme (Rust)List languages and themes Generate a theme from a Neovim colorscheme Repeated highlighting (JavaScript / TypeScript)Browsers / CDN Local WASM bundle Light/Dark Mode Filename Title and Copy Button Line Highlighting Line Numbers Cache parsers (CLI)Highlight diffs Rainbow brackets

Recipes

Cache parsers (CLI)

Find the cross-runtime guide to preloading Lumis languages.

Preloading is a cross-runtime concern, not a CLI-only one. See Languages for the choice between loading on demand and preloading, the non-blocking startup APIs, the CLI command, LUMIS_DATA_DIR, Elixir configuration, and the runtimes that need no parser cache at all.

Line Numbers

Number the lines Lumis renders, in HTML and in the terminal.

Highlight diffs

Render a unified diff with the code inside each hunk highlighted as its own language.