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typescript helpers
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| export type UniqueArray<T> = T extends readonly [infer X, ...infer Rest] | |
| ? InArray<Rest, X> extends true | |
| ? ['Encountered value with duplicates:', X] | |
| : readonly [X, ...UniqueArray<Rest>] | readonly [...UniqueArray<Rest>] | |
| : T; | |
| type InArray<T, X> = T extends readonly [X, ...infer _Rest] | |
| ? true | |
| : T extends readonly [X] | |
| ? true | |
| : T extends readonly [infer _, ...infer Rest] | |
| ? InArray<Rest, X> | |
| : false; | |
| export 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]; | |
| type SnakeToCamelCase<S extends string> = S extends `${infer T}_${infer U}` | |
| ? `${T}${Capitalize<SnakeToCamelCase<U>>}` | |
| : S; | |
| export type SnakeToCamelCaseNested<T> = T extends object | |
| ? { | |
| [K in keyof T as SnakeToCamelCase<K & string>]: SnakeToCamelCaseNested<T[K]>; | |
| } | |
| : T; |
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