sub-with-uuid.js

var list = {
  "uuid1": [
    "vmess://xxxxxx",
    "vless://xxxxxx"
  ],
  "uuid2": [
    "vmess://yyyyyy",
    "vless://yyyyyy"
  ],
  ...
}
export default {
  async fetch(request, env) {
    const uuid = (new URL(request.url)).pathname.replace(/^\//, '')
    if (uuid in list) {
      return new Response(btoa(list[uuid].join("\r\n")))
    } else {
      return new Response('Invalid uuid!', { status: 404 });
    }
  }
}