index.js

const path = require("path");
const express = require("express");
const cors = require("cors");
const morgan = require("morgan");
const { init: initDB, Counter } = require("./db");

const logger = morgan("tiny");

const app = express();
app.use(express.urlencoded({ extended: false }));
app.use(express.json());
app.use(cors());
app.use(logger);

// 首页
app.get("/", async (req, res) => {
  res.sendFile(path.join(__dirname, "index.html"));
});

// 小程序调用，获取微信 Open ID
app.get("/api/wx_openid", async (req, res) => {
  if (req.headers["x-wx-source"]) {
    res.send(req.headers["x-wx-openid"]);
  }
});

const port = process.env.PORT || 80;

async function bootstrap() {
  await initDB();
  app.listen(port, () => {
    console.log("启动成功", port);
  });
}

bootstrap();

System.register(["./application.js"], function (_export, _context) {
  "use strict";

  var Application, canvas, $p, bcr, application;

  function topLevelImport(url) {
    return System["import"](url);
  }

  return {
    setters: [function (_applicationJs) {
      Application = _applicationJs.Application;
    }],
    execute: function () {
      canvas = document.getElementById('GameCanvas');
      $p = canvas.parentElement;
      bcr = $p.getBoundingClientRect();
      canvas.width = bcr.width;
      canvas.height = bcr.height;
      application = new Application();
      topLevelImport('cc').then(function (engine) {
        return application.init(engine);
      }).then(function () {
        return application.start();
      })["catch"](function (err) {
        console.error(err);
      });
    }
  };
});