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elk/types/utils.ts
2023-01-04 18:21:18 +08:00

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TypeScript

export type Mutable<T> = {
-readonly[P in keyof T]: T[P]
}
export type Overwrite<T, O> = Omit<T, keyof O> & O
export type MarkNonNullable<T, K extends keyof T> = Overwrite<T, {
[P in K]-?: NonNullable<T[P]>
}>