og/lib/render.js

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

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

const renderOptions = {
	fonts: [
		{
			name: 'DM Sans',
			data: fs.readFileSync('./assets/DMSans-Thin.ttf'),
			weight: 100,
			style: 'normal'
		},
		{
			name: 'DM Sans',
			data: fs.readFileSync('./assets/DMSans-ThinItalic.ttf'),
			weight: 100,
			style: 'italic'
		},
		{
			name: 'DM Sans',
			data: fs.readFileSync('./assets/DMSans-ExtraLight.ttf'),
			weight: 200,
			style: 'normal'
		},
		{
			name: 'DM Sans',
			data: fs.readFileSync('./assets/DMSans-ExtraLightItalic.ttf'),
			weight: 200,
			style: 'italic'
		},
		{
			name: 'DM Sans',
			data: fs.readFileSync('./assets/DMSans-Light.ttf'),
			weight: 300,
			style: 'normal'
		},
		{
			name: 'DM Sans',
			data: fs.readFileSync('./assets/DMSans-LightItalic.ttf'),
			weight: 300,
			style: 'italic'
		},
		{
			name: 'DM Sans',
			data: fs.readFileSync('./assets/DMSans-Regular.ttf'),
			weight: 400,
			style: 'normal'
		},
		{
			name: 'DM Sans',
			data: fs.readFileSync('./assets/DMSans-Italic.ttf'),
			weight: 400,
			style: 'italic'
		},
		{
			name: 'DM Sans',
			data: fs.readFileSync('./assets/DMSans-Medium.ttf'),
			weight: 500,
			style: 'normal'
		},
		{
			name: 'DM Sans',
			data: fs.readFileSync('./assets/DMSans-MediumItalic.ttf'),
			weight: 500,
			style: 'italic'
		},
		{
			name: 'DM Sans',
			data: fs.readFileSync('./assets/DMSans-SemiBold.ttf'),
			weight: 600,
			style: 'normal'
		},
		{
			name: 'DM Sans',
			data: fs.readFileSync('./assets/DMSans-SemiBoldItalic.ttf'),
			weight: 600,
			style: 'italic'
		},
		{
			name: 'DM Sans',
			data: fs.readFileSync('./assets/DMSans-Bold.ttf'),
			weight: 700,
			style: 'normal'
		},
		{
			name: 'DM Sans',
			data: fs.readFileSync('./assets/DMSans-BoldItalic.ttf'),
			weight: 700,
			style: 'italic'
		},
		{
			name: 'DM Sans',
			data: fs.readFileSync('./assets/DMSans-ExtraBold.ttf'),
			weight: 800,
			style: 'normal'
		},
		{
			name: 'DM Sans',
			data: fs.readFileSync('./assets/DMSans-ExtraBoldItalic.ttf'),
			weight: 800,
			style: 'italic'
		},
		{
			name: 'DM Sans',
			data: fs.readFileSync('./assets/DMSans-Black.ttf'),
			weight: 900,
			style: 'normal'
		},
		{
			name: 'DM Sans',
			data: fs.readFileSync('./assets/DMSans-BlackItalic.ttf'),
			weight: 900,
			style: 'normal'
		}
	]
}

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

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