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Pwuts/recursive-readonly.ts

Created February 2, 2021 12:26
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Typescript RecursiveReadonly utility
Raw
recursive-readonly.ts
export type RecursiveReadonly<T extends object> = Readonly<{
readonly [key in keyof T]:
T[key] extends object
? T[key] extends BigInt | Date | Number | Symbol ? T[key] : RecursiveReadonly<T[key]>
: T[key]
}>
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