gistfile1.js

// Structure jsm file so EXPORTED_SYMBOLS are compressible

function test() {

  // Just a test to make sure jsm files are initialized
  // the way I assume, so state is updated properly
  hello.what = "there";

  var x = 5;
  var y = 0;
  var out = "";

  let (x = x+10, y = 12) {
    out = out + (x+y + "\n");
  };

  return out + ((x + y) + "\n");
}

function hello() {
  var hello = {
    what: "haha"
  };

  return this[arguments.callee.name] = hello;
}

var EXPORTED_SYMBOLS = [test.name, hello.name];

hello();