nestjs-cls
Version:
A continuation-local storage module compatible with NestJS's dependency injection.
25 lines • 834 B
TypeScript
/**
* If the condition type (C) extends (E), return T, else E2
*/
export type TypeIfType<C, E, T, T2> = [C] extends [E] ? T : T2;
/**
* If the condition type (C) extends (E), return T, else E2
*/
export type TypeIfSymbol<C, T, T2> = [C] extends [symbol] ? T : T2;
/**
* If the condition type (C) is `undefined`, return T, else T2
*/
export type TypeIfUndefined<C, T, T2> = [C] extends [undefined] ? T : T2;
/**
* If the condition type (C) is `never`, return T, else C
*/
export type TypeIfNever<C, T> = [C] extends [never] ? T : C;
/**
* If the condition type (C) is `never`, return `string`, else C
*/
export type AnyIfNever<C> = TypeIfNever<C, any>;
/**
* If the condition type (C) is `never`, return `any`, else C
*/
export type StringIfNever<C> = TypeIfNever<C, string>;
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