@yaser2us/json-api-nestjs-shared/cjs/src/lib/types/entity-type.d.ts

Shared Helper for JsonApi Plugin for NestJs

import { Any } from 'ts-toolbelt';
export type HasId<T, IdKey extends string> = Any.At<T, IdKey> extends undefined ? 0 : 1;
export type CastIteratorType<T> = T extends {
    [Symbol.iterator](): Iterator<infer U>;
} ? U : T;
type RelationCheck<T, IdKey extends string> = T extends never ? 0 : T extends Promise<infer U> ? HasId<U, IdKey> : HasId<CastIteratorType<T>, IdKey>;
export type RelationKeys<E, IdKey extends string = 'id'> = {
    [K in keyof E]: Exclude<E[K], null> extends never ? never : RelationCheck<Exclude<E[K], null>, IdKey> extends 1 ? K : never;
}[keyof E];
export type PropertyKeys<E, IdKey extends string = 'id'> = keyof Omit<E, RelationKeys<E, IdKey>>;
export type IsIterator<T> = T extends {
    [Symbol.iterator](): Iterator<any>;
} ? 1 : 0;
export type TypeOfArray<T> = T extends (infer U)[] ? U : T;
export type ValueOf<T> = T[keyof T];
export type Constructor<T> = new (...args: any[]) => T;
export type AnyEntity<T = object> = T;
export type EntityClass<T extends AnyEntity> = Constructor<T>;
export {};