Ambient enums

Ambient enums are used to describe the shape of already existing enum types.

declare enum Enum {
  A = 1,
  B,
  C = 2
}

One important difference between ambient and non-ambient enums is that, in regular enums, members that don’t have an initializer are considered constant members. For non-const ambient enums member that does not have initializer is considered computed.

Links:

https://www.typescriptlang.org/docs/handbook/enums.html#ambient-enums

doc_TypeScript

2025-01-10 15:47:30

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