og/lib/render.js

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import html2png, { renderHTML as inline } from '@besties/html2png'
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import fs from 'node:fs'
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const style = fs.readFileSync('./assets/style.css', 'utf8')
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export default async function (html, options = {}) {
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return html2png(`<style>${style}</style>${html}`, options)
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}
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export async function renderHtml(html) {
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const styleNow = await fs.promises.readFile('./assets/style.css', 'utf8')
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return (
`<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<style>
:root {
height: 100%;
font-family: 'DM Sans', Arial, Helvetica, sans-serif;
}
* {
font-family: inherit;
}
body {
margin: 0;
background-color: black;
display: grid;
place-items: center;
height: 100%;
}
</style>
<title>OpenGraph Debug Preview</title>
</head>` + (await inline(`<style>${styleNow}</style>${html}`))
)
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}