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

Tiny class-based syntax highlighting for documentation.

import { defineLanguage } from '../core.js';
import { patternTokenizer } from '../internal/patterns.js';
export const scheme = defineLanguage({
    name: 'scheme',
    aliases: ['scm', 'racket'],
    tokenize: patternTokenizer([
        { className: 'comment', regex: /;[^\n]*|#\|[\s\S]*?\|#/g },
        { className: 'string', regex: /"(?:\\.|[^"\\])*"/g },
        {
            className: 'keyword',
            regex: /\b(?:and|begin|case|cond|define|delay|do|else|if|lambda|let|let\*|letrec|or|quasiquote|quote|set!|unquote)\b/g,
        },
        { className: 'literal', regex: /#(?:t|f|true|false)\b/g },
        { className: 'number', regex: /(?:^|[\s(])(-?\d+(?:\.\d+)?)(?=[\s)])/g, group: 1 },
        { className: 'function', regex: /\(define\s+\(([A-Za-z_+\-*/<>=!?][\w+\-*/<>=!?]*)/g, group: 1 },
    ]),
});