m5r / og Goto Github PK

    const imgRes = new ImageResponse((<OGImageRenderer title={title} />), {
      width: 1200,
      height: 630,
    })

    // vercels types are wrong
    const i = imgRes as Response

    // I tried getting the streams API to work, but failed, so we need to use full buffers
    const b = await i.blob()

    res.setHeader('content-type', b.type)
    res.setHeader('content-length', b.size)
    res.setHeader(
      'cache-control',
      process.env.NODE_ENV === 'development'
        ? 'no-cache, no-store'
        : 'public, immutable, no-transform, max-age=31536000'
    )

    res.status(200)
    const arrayBuffer = await b.arrayBuffer()

    res.send(Buffer.from(arrayBuffer))