window.console.log = console.log = (function() {
  let orig=console.log;

  if(process.env.NODE_ENV === 'production'){
    return function(){
      let tmp=process.stdout;
      try {
        process.stdout=process.stderr;
        orig.apply(console, [`Функция console.log() недоступна в режиме: ${process.env.NODE_ENV}`]);
      } finally {
        process.stdout=tmp;
      }
    };
  }

  return function() {
    let tmp=process.stdout;
    try {
      process.stdout=process.stderr;
      orig.apply(console, arguments);
    } finally {
      process.stdout=tmp;
    }
  };
})();