JS Module Exporter (AMD, CommonJS, Globals)

module-exporter.js

(function(globals){
  // module name
  const MODULE_NAME = 'moduleName';
  
  // define your functions here
  const functions = {
    fn1: alert,
    fn2: console.log
  };
  
  function exportFunctions (functions) {
    if (typeof define === 'function' && define.amd) {
      // set module name for AMD-based implementations
      define(function () {
        return functions;
      });
    } else if (typeof module !== 'undefined' && module !== null && module.exports) {
      // set module name for CommonJS-based implementations
      module.exports = functions;
    } else {
      // set module name for Global-based implementations
      globals[MODULE_NAME] = functions;
    }
  }
  
  exportFunctions(functions);
})(this)