Created
June 7, 2019 14:19
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| type RequireOnlyOne<T, Keys extends keyof T = keyof T> = | |
| Pick<T, Exclude<keyof T, Keys>> | |
| & { [K in Keys]-?: | |
| Required<Pick<T, K>> | |
| & Partial<Record<Exclude<Keys, K>, undefined>> | |
| }[Keys] | |
| type RequireAtLeastOne<T, Keys extends keyof T = keyof T> = | |
| Pick<T, Exclude<keyof T, Keys>> | |
| & { | |
| [K in Keys]-?: Required<Pick<T, K>> & Partial<Pick<T, Exclude<Keys, K>>> | |
| }[Keys] |
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