Vanilla JS module structure

module-structure.js

var MyModule = (function() {

  var ModuleExport = function() {
    // Do constructor stuff.
  };

  ModuleExport.prototype = {
    doStuff: function( param ) {
      // do stuff, then...
      this.doOtherStuff();
    },
    doOtherStuff: function() {
      // Do other stuff
    }
  };

  // Export a single instance or constructor
  // return ModuleExport;
  return new ModuleExport();

}());