Fetch coingecko prices

deno_coingecko.ts

import { serve } from "https://deno.land/std@0.120.0/http/server.ts";

async function getPrice(ids: string, vs: string) {
  const url =
    `https://api.coingecko.com/api/v3/simple/price?ids=${ids}&vs_currencies=${vs}`;

  const res = await fetch(url);

  const body = res.json();

  return body;
}

async function handler(req: Request): Promise<Response> {
  const url = new URL(req.url);

  const ids = url.searchParams.get("ids") || "bitcoin";
  const vs = url.searchParams.get("vs") || "usd";
  const res = await getPrice(ids, vs);
  return new Response(JSON.stringify(res));
}

serve(handler);