Lumis code block decorators

Mix.install([
  {:mdex, "~> 0.12"},
  {:lumis, "~> 0.1"},
  {:kino, "~> 0.16"}
],
  config: [mdex_native: [syntax_highlighter: :lumis]]
)

Intro

Code block decorators are supported by Lumis syntax highlighting. They add key-value pairs to the code fence info string, which Lumis can use for things like line highlights and per-block themes.

All options and more examples at Guides / Code Block Decorators

Decorator: highlight_lines

import MDEx.Sigil

~MD"""
```elixir highlight_lines=2,5,8-10 theme=github_light
defmodule Lines do
  @langs ["elixir", "rust"]

  def langs do
    @langs
  end

  def libs do
    [:comrak, :ammonia, :lumis]
  end
end
```
"""HTML
|> Kino.HTML.new()

Decorator: theme

import MDEx.Sigil

~MD"""
```elixir theme=gruvbox_light
defmodule Lines do
  @langs ["elixir", "rust"]

  def langs do
    @langs
  end

  def libs do
    [:comrak, :ammonia, :lumis]
  end
end
```
"""HTML
|> Kino.HTML.new()

Decorator: highlight_lines_style

import MDEx.Sigil

~MD"""
```elixir highlight_lines=2 highlight_lines_style="background-color: purple; font-weight: bold; font-size: 18px"
defmodule Lines do
  @langs ["elixir", "rust"]

  def langs do
    @langs
  end

  def libs do
    [:comrak, :ammonia, :lumis]
  end
end
```
"""HTML
|> Kino.HTML.new()

Decorator: include_highlights

~MD"""
```elixir include_highlights
defmodule Lines do
  @langs ["elixir", "rust"]

  def langs do
    @langs
  end

  def libs do
    [:comrak, :ammonia, :lumis]
  end
end
```
"""HTML
|> Kino.HTML.new()