@tanstack/highlight/dist/languages/mermaid.js

Tiny class-based syntax highlighting for documentation.

import { defineLanguage } from '../core.js';
import { patternTokenizer } from '../internal/patterns.js';
export const mermaid = defineLanguage({
    name: 'mermaid',
    tokenize: patternTokenizer([
        [/^\s*%%.*$/gm, 'comment'],
        [/^\s*(?:classDiagram|erDiagram|flowchart|gantt|gitGraph|graph|journey|mindmap|pie|quadrantChart|requirementDiagram|sequenceDiagram|stateDiagram-v2|timeline)\b/gm, 'keyword'],
        [/-->>?|---|==>|-.->|<--?>|:::|\|/g, 'operator'],
        [/"(?:\\.|[^"\\])*"/g, 'string'],
    ]),
});