vercel-deno-dev

vercel-deno

This runtime is currently on development and might be broken on some specific cases specified in the Known Limitation section.

Run Deno runtime on vercel. 🦕 + ▲ = ❤️

Usage

// now.json
{
  "functions": {
    "api/**/*.{ts,tsx}": {
      "runtime": "vercel-deno"
    }
  },
  "build":{
    "env":{
      "DENO_VERSION":"1.0.5 OR latest",
      "DENO_TSCONFIG":"tsconfig.json",
      "DENO_FLAGS":"--allow-read", 
      "DENO_UNSTABLE":true
    }
  }
}

// hello.ts

import {
  APIGatewayProxyEvent,
  APIGatewayProxyResult,
  Context
} from "https://deno.land/x/lambda/mod.ts";

export async function handler(
  event: APIGatewayProxyEvent,
  context: Context
): Promise<APIGatewayProxyResult> {
  return {
    body: `Welcome to deno ${Deno.version.deno} 🦕`,
    headers: { "content-type": "text/html;charset=utf8" },
    statusCode: 200
  };
}

Available config ( with default value )

DENO_VERSION : "latest"
DENO_TSCONFIG : ""
DENO_FLAGS : "--allow-all"
DENO_UNSTABLE : false

Note: vercel v17.x or above are required to use the above configuration.

Known limitation

• Limited to AWS Lambda gateway
• Unable to send response with binary files
• only works on linux, for now.

TODO

• Suport Now Launcher
• Support base64 conversion for binary files response
• implement caching
• add support for windows and macos

Credits

• deno-lambda by Andy Hayden
• now-deno by lucacasonato