autumnus 0.1.1

Syntax highlighter powered by tree-sitter and Neovim themes.
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Autumnus

Crates.io docs.rs

Autumnus is a syntax highlighter powered by tree-sitter and Neovim themes. It provides beautiful and accurate syntax highlighting for over 50 programming languages with support for over 100 themes.

Features

  • 🎨 Over 100 themes including popular ones like:
    • Dracula, Catppuccin, Tokyo Night, Gruvbox
    • GitHub themes (light/dark)
    • Solarized variants
    • Nord, OneDark, and many more
  • 🌳 Tree-sitter powered syntax highlighting for accurate parsing
  • 📝 Support for 50+ programming languages
  • 🎯 Multiple output formats:
    • HTML with inline styles
    • HTML with linked stylesheets
    • Terminal output with ANSI colors
  • 🔍 Automatic language detection from file extensions
  • 🚀 Zero configuration needed to get started

Installation

Add Autumnus to your Cargo.toml:

[dependencies]
autumnus = "0.1.0"

Usage

Basic Example

use autumnus::{highlight, Options};

let code = r#"
    function greet(name) {
        console.log(`Hello ${name}!`);
    }
"#;

let html = highlight("javascript", code, Options::default());

Using a Specific Theme

use autumnus::{highlight, Options, themes};

let code = "SELECT * FROM users WHERE active = true;";
let html = highlight(
    "sql",
    code,
    Options {
        theme: themes::get("dracula").expect("Theme not found"),
        ..Options::default()
    }
);

Language Detection from File Path

use autumnus::{highlight, Options};

let code = r#"
    defmodule MyApp do
      def hello, do: :world
    end
"#;
// Language will be automatically detected as Elixir from the .ex extension
let html = highlight("app.ex", code, Options::default());

Terminal Output with ANSI Colors

use autumnus::{highlight, Options, FormatterOption};

let code = "puts 'Hello from Ruby!'";
let ansi = highlight(
    "ruby",
    code,
    Options {
        formatter: FormatterOption::Terminal,
        ..Options::default()
    }
);

HTML with Linked Stylesheets

use autumnus::{highlight, Options, FormatterOption};

let code = "console.log('Hello!')";
let html = highlight(
    "javascript",
    code,
    Options {
        formatter: FormatterOption::HtmlLinked,
        ..Options::default()
    }
);

When using FormatterOption::HtmlLinked, include the corresponding CSS file for your chosen theme:

<link rel="stylesheet" href="css/dracula.css" />

Supported Languages

Autumnus supports a wide range of programming languages, including but not limited to:

  • Angular
  • Astro
  • Bash
  • C/C++
  • C#
  • Clojure
  • CSS/SCSS
  • Dockerfile
  • Elixir/EEx/HEEx
  • Elm
  • Erlang
  • F#
  • Go
  • GraphQL
  • Haskell
  • HTML
  • Java
  • JavaScript/TypeScript
  • JSON
  • Kotlin
  • LaTeX
  • Lua
  • Markdown
  • OCaml
  • PHP
  • Python
  • Ruby
  • Rust
  • SQL
  • Swift
  • TOML
  • XML
  • YAML
  • And many more!

Check the documentation for a complete list of supported languages and file extensions.

Available Themes

Autumnus includes over 100 themes, such as:

  • Dracula and Dracula Soft
  • Catppuccin (Mocha, Macchiato, Frappe, Latte)
  • GitHub themes (Light/Dark, High Contrast, Colorblind)
  • Gruvbox (Light/Dark variants)
  • Nord
  • OneDark variants
  • Rose Pine
  • Solarized variants
  • Tokyo Night variants
  • And many more!

Visit the documentation for a complete list of available themes.

Contributing

Contributions are welcome! Feel free to:

  • Report bugs
  • Suggest new features
  • Add new themes
  • Add support for new languages
  • Improve documentation

Acknowledgements

Autumnus would not be possible without theses projects: