How to make TypeScript enum restrict to specific number

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https://stackoverflow.com/questions/59205588/how-to-make-typescript-enum-restrict-to-specific-number

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如何限制 enum 类型必须传 enum 类型

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// use namespace as enum
export namespace ColorEnum {
  export const Red = 1
  export const Green = 2
  export const Blue = 3
}
export type ColorEnumType = (typeof ColorEnum)[keyof typeof ColorEnum]

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使用命名空间模拟枚举类型