ekyc

Electronic KYC process with uploading ID document using OAuth 2.1 (experimental)
Log | Files | Refs | README | LICENSE

composer.ts (904B)

      1 export class RegistryComposer<TNeeds extends object = object> {
      2   private readonly creators: CreateServices<TNeeds, object>[] = [];
      3 
      4   add<TServices extends object>(
      5     createServices: CreateServices<TNeeds, TServices>,
      6   ): RegistryComposer<Combine<TNeeds, TServices>> {
      7     this.creators.push(createServices);
      8     return this as never as RegistryComposer<Combine<TNeeds, TServices>>;
      9   }
     10 
     11   compose(): Readonly<TNeeds> {
     12     return Object.freeze(
     13       this.creators.reduce((state, createServices) => {
     14         return Object.assign(state, createServices(state));
     15       }, {} as TNeeds),
     16     );
     17   }
     18 }
     19 
     20 export type CreateServices<TNeeds, TServices extends object = object> = (
     21   needs: TNeeds,
     22 ) => TServices;
     23 
     24 type Combine<TSource extends object, TWith extends object> = Norm<
     25   Omit<TSource, keyof TWith> & TWith
     26 >;
     27 
     28 export type Norm<T> = T extends object ? {
     29     [P in keyof T]: T[P];
     30   }
     31   : never;