//drill 1

function doTrafficLights() {
  const activeLight = getActiveLight();
  if (activeLight === "red") {
    turnRed();
  }

  else if (activeLight === "green") {
    turnGreen();
  }

  else {
    turnYellow();
  }
}

//drill 2

function main() {
  try {
    doAllTheThings();
}
  catch(e){
    console.error(e);
    reportError(e);
  }
}

function doAllTheThings() {
  throw {
    message: "Everything's ruined",
    name: "FatalException",
    toString: function() {
      return `${this.name}: ${this.message}`;
    }
  }
}