ts中枚举

enum Direction {
  Up,
  Down,
  Left,
  Right
}
console.log({ Direction });
console.log({ 'Object.entries(Direction)': Object.entries(Direction) });
console.log({ 'Direction[0]': Direction[0] });
console.log({ 'Direction.Up': Direction.Up });

const count = ref(Direction.Up)

<button type="button" @click="count++">count is: {{ count + Direction[count] }}</button>

enum Direction {
  Up = '上',
  Down = '下',
  Left = '左',
  Right = '右'
}

enum Direction {
  Up = 1,
  Down,
  Left,
  Right = 10
}

{
    "1": "Up",
    "2": "Down",
    "3": "Left",
    "10": "Right",
    "Up": 1,
    "Down": 2,
    "Left": 3,
    "Right": 10
}