Type Alias Advanced

/*
  Data Types
  - Advanced Type Alias
*/

type Buttons = {
  up: string,
  right: string,
  down: string,
  left: string
}

type Last = Buttons & {
  x: boolean
}

function getActions(btns: Last) {
  console.log(`Action For Button Up Is ${btns.up}`);
  console.log(`Action For Button Right Is ${btns.right}`);
  console.log(`Action For Button Down Is ${btns.down}`);
  console.log(`Action For Button Left Is ${btns.left}`);
}

getActions({ up: "Jump", right: "Go Right", down: "Go Down", left: "Go Left", x: true });