aubade/src/core/index.js

markdown, orchestrated.

import { engrave } from '../artisan/index.js';
import { parse as manifest } from '../manifest/index.js';
export function assemble(source) {
    const match = /---\r?\n([\s\S]+?)\r?\n---/.exec(source);
    const body = match ? source.slice(match.index + match[0].length) : source;
    const document = engrave(body.trim());
    return {
        doc: document,
        manifest: match ? manifest(match[1].trim()) : {},
        meta: {
            head: match ? match[0] : '',
            body: body.trim() + '\n',
            get table() {
                const toc = [];
                for (const token of document.tokens) {
                    if (token.type !== 'block:heading')
                        continue;
                    toc.push({
                        id: token.attr.id,
                        title: token.meta.text,
                        level: token.meta.level,
                    });
                }
                return toc;
            },
            get words() {
                return count(document.tokens);
                function count(tokens) {
                    let total = 0;
                    for (const token of tokens) {
                        if ('children' in token)
                            total += count(token.children);
                        else if ('text' in token)
                            total += token.text.split(/\s+/).length;
                    }
                    return total;
                }
            },
        },
    };
}