Function url

packages/socket.io-cluster-engine/test/util.ts:3–9

(port: number, sid?: string)

import expect = require("expect.js");

export function url(port: number, sid?: string) {
  let url = `http://localhost:${port}/engine.io/?EIO=4&transport=polling`;
  if (sid) {
    url += `&sid=${sid}`;
  }
  return url;
}

export async function handshake(port: number) {
  const res = await fetch(url(port));