ts怎么表示['a'] | ['b'] | ['c'] .... ?

Question

不一定只有abc, 还有['d'], ['e'], 该写个怎样的类型描述上面的情况呢 ?

Answer 1

tuple-types

type Tuple= ['a'|'b'|....]

Answer 2

type MyType = Array<'a' | 'b' | 'c'>;
// 或者
type MyType = ('a' | 'b' | 'c')[];