joplin/packages/tools/website/utils/parser.ts

import { readFile } from 'fs-extra';
import { stripOffFrontMatter } from './frontMatter';

interface ReadmeDoc {
	title: string;
	body: string;
}

export async function readmeFileTitleAndBody(sourcePath: string): Promise<ReadmeDoc> {
	let md = await readFile(sourcePath, 'utf8');
	md = stripOffFrontMatter(md).doc.trim();
	const r = md.match(/^# (.*)/);

	if (!r) {
		throw new Error(`Could not determine title for Markdown file: ${sourcePath}`);
	} else {
		const lines = md.split('\n');
		lines.splice(0, 1);
		return {
			title: r[1],
			body: lines.join('\n'),
		};
	}
}

export async function readmeFileTitle(sourcePath: string) {
	const r = await readmeFileTitleAndBody(sourcePath);
	return r.title;
}

export function replaceGitHubByWebsiteLinks(md: string) {
	return md
		.replace(/https:\/\/github.com\/laurent22\/joplin\/blob\/dev\/readme\/(.*?)\/index\.md(#[^\s)]+|)/g, '/$1/$2')
		.replace(/https:\/\/github.com\/laurent22\/joplin\/blob\/dev\/readme\/(.*?)\.md(#[^\s)]+|)/g, '/$1/$2')
		.replace(/https:\/\/github.com\/laurent22\/joplin\/blob\/dev\/README\.md(#[^\s)]+|)/g, '/help/$1')
		.replace(/https:\/\/raw.githubusercontent.com\/laurent22\/joplin\/dev\/Assets\/WebsiteAssets\/(.*?)/g, '/$1');
}