Herb Highlighter

Package: @herb-tools/highlighter

---

Syntax highlighter, code snippet renderer, and diagnostic renderer for HTML+ERB templates with terminal color support.

Installation

:::code-group

``shell [npm]
npm add @herb-tools/highlighter
`

`shell [pnpm]
pnpm add @herb-tools/highlighter
`

`shell [yarn]
yarn add @herb-tools/highlighter
`

`shell [bun]
bun add @herb-tools/highlighter
`

:::

#### CLI Usage

`bash


Highlight a file

herb-highlight app/views/users/show.html.erb

Highlight a file with a theme

herb-highlight app/views/users/show.html.erb --theme=tokyo-night

Highlight a file with a custom theme

herb-highlight app/views/users/show.html.erb --theme=path/to/theme.json

Focus on line 10

herb-highlight app/views/users/show.html.erb --focus=10

Focus on line 10 and show 3 lines before/after

herb-highlight app/views/users/show.html.erb --focus=10 --context-lines=3
`

Usage

`typescript
import { Herb } from "@herb-tools/node-wasm"
import { Highlighter } from "@herb-tools/highlighter"

const highlighter = new Highlighter("default", Herb)

await highlighter.initialize()

highlighter.highlight(
"filename.html.erb",
"<% if true %>true<% end %>",
)
`

Configuration Options

`typescript
interface HighlightOptions {
diagnostics?: Diagnostic[]
splitDiagnostics?: boolean
contextLines?: number
focusLine?: number
showLineNumbers?: boolean
}
``