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TS二选一
2023-03-21 17:04:57
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``` export type FilterOptional<T> = Pick< T, Exclude< { [K in keyof T]: T extends Record<K, T[K]> ? K : never }[keyof T], undefined > > export type FilterNotOptional<T> = Pick< T, Exclude< { [K in keyof T]: T extends Record<K, T[K]> ? never : K }[keyof T], undefined > > export type PartialEither<T, K extends keyof any> = { [P in Exclude<keyof FilterOptional<T>, K>]-?: T[P] } & { [P in Exclude<keyof FilterNotOptional<T>, K>]?: T[P] } & { [P in Extract<keyof T, K>]?: undefined } export type Objects = { [name: string]: any } export type EitherOr<O extends Objects, L extends string, R extends string> = ( | PartialEither<Pick<O, L | R>, L> | PartialEither<Pick<O, L | R>, R> ) & Omit<O, L | R> ```
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TS常见问题
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react中常用的ts类型大全
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