Build livelify-web.js

build-livelify-web.js

/*global require, __dirname*/

let fs = require("fs"),
    path = require("path"),

    files = [
      require.resolve("babel-standalone/babel.js"),
      require.resolve("systemjs/dist/system.src.js"),
      require.resolve("lively.modules/dist/lively.modules.js"),
      require.resolve("lively-system-interface/dist/lively-system-interface-only-local.js"),
      require.resolve("lively.keyboard/dist/lively.keyboard.min.js"),
      require.resolve("lively.2lively/dist/lively.2lively_client.js"),
    ],
    targetFile = "livelify-web.js",

    init = `
(function() {
  let query = lively.resources.parseQuery(document.location.search),
      host = query["L2L_SESSIONTRACKER_SERVER"] || query["l2l_sessiontracker_server"] || document.location.origin,
      url = host + '/lively-socket.io';
  lively.l2l.client = lively.l2l.L2LClient.ensure(
    {url, namespace: "l2l", info: {type: "livelify-web", location: String(document.location)}});
  lively.l2l.client.whenRegistered(20*1000)
    .then(() => console.log("[l2l] online"))
    .catch(err => console.error("[l2l] failed:", err));
})();`;

fs.writeFileSync(targetFile,
  files.map(ea => fs.readFileSync(ea)).concat(init).join("\n\n"));

console.log(path.join(__dirname, targetFile) + " written");

Assumes to be run in nodejs inside the folder created by the lively.installer.