before_serve hook with SSL and url-rewrite rules defined

before_serve.js

/**
  Copyright (c) 2015, 2020, Oracle and/or its affiliates.
  Licensed under The Universal Permissive License (UPL), Version 1.0
  as shown at https://oss.oracle.com/licenses/upl/

*/

"use strict";

module.exports = function (configObj) {

  // Used for url-rewrite configuration
  function toFilePath(url) {
    const indexPath = "/index.html";
    const matchStaticFiles = url.match(/\/(js|ts|css|ui)\/.*/);
    return matchStaticFiles ? matchStaticFiles[0] : indexPath;
  }

  return new Promise((resolve, reject) => {
    console.log("Running before_serve hook.");

    const express = require("express");

    /*
    Setting up HTTPS for use with PWA   
    */
    const fs = require("fs");
    const https = require("https");
    const key = fs.readFileSync("./key.pem");
    const cert = fs.readFileSync("./cert.pem");
    const passphrase = "1234";


    /*
    Setting up path info and url-rewrite rules so 
    CoreRouter urlPathAdapter will work at development time
    */
    const path = require("path");
		const pathToWeb = path.join(__dirname, "../../web");
    const app = express();

    app.get("/*", (req, res) => {
			res.sendFile(path.join(pathToWeb, toFilePath(req.url)));
		});
    
    /*
    Pass our modified Express instance and the SSL enabled server
    to the tooling configuration 
    */
    configObj['express'] = app;
    configObj['urlPrefix'] = 'https';
    configObj['server'] = https.createServer({
          key: key,
          cert: cert,
          passphrase: passphrase
      }, app);

    const tinylr = require("tiny-lr");
    const lrPort = "35729";

    // We also need to setup the liveReload server to use SSL
    configObj["liveReloadServer"] = tinylr({ lrPort, key, cert, passphrase });

    resolve(configObj);
  });
};