Generating OG Images

Generate Open Graph images with Deno and Supabase Edge Functions. View on GitHub.

Code#

Create a handler.tsx file to construct the OG image in React:

1import React from 'https://esm.sh/react@18.2.0'2import { ImageResponse } from 'https://deno.land/x/og_edge@0.0.4/mod.ts'34export default function handler(req: Request) {5  return new ImageResponse(6    <div7      style={{8        width: '100%',9        height: '100%',10        display: 'flex',11        alignItems: 'center',12        justifyContent: 'center',13        fontSize: 128,14        background: 'lavender',15      }}16    >17      Hello OG Image!18    </div>19  )20}

Create an index.ts file to execute the handler on incoming requests:

1import handler from './handler.tsx'23console.log('Hello from og-image Function!')45Deno.serve(handler)