helloDie.ts

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

const root = new Node();

root.add("/roll/:nSided", (p: any) => {
  const d = new Dice(parseInt(p.get('nSided')))
  return d.roll()
});

root.add("/", (p: any) => {
  return "Hello"
});

export default async function (
  event: APIGatewayProxyEvent,
  context: Context
): Promise<APIGatewayProxyResult> {
  const path = '/' + (event.pathParameters?.proxy || '')
  console.log("Path is", path)
  const [handler, p] = root.find(path);
  if (handler) {
    return {
      body: handler(p),
      headers: { "content-type": "text/html;charset=utf8" },
      statusCode: 200
    };
  }

  return {
    body: `Welcome to deno ${Deno.version.deno} 🦕 ${JSON.stringify(event)}`,
    headers: { "content-type": "text/html;charset=utf8" },
    statusCode: 200
  };
}