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ever-dev/GetDictValue.d.ts

Created May 14, 2022 02:39
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Type-safety for dictionaries
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GetDictValue.d.ts
type GetDictValue<T extends string, O> = T extends `${infer A}.${infer B}`
? A extends keyof O
? GetDictValue<B, O[A]>
: never
: T extends keyof O
? O[T]
: never;
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