og/lib/render.js

import html2png, { renderHtml as htmlParser } from '@besties/html2png'
import fs from 'node:fs'
import { DMSans } from './fonts.js'

const css = fs.readFileSync('./assets/style.css', 'utf8')

const renderOptions = {
	fonts: DMSans
}

export default async function (html, options = {}) {
	return html2png(html, css, { ...renderOptions, ...options })
}

export async function renderHtml(html) {
	return htmlParser(
		html,
		await fs.promises.readFile('./assets/style.css', 'utf8')
	).outerHTML
}