@triviality/core/example/overrides/ScreamGreetingsFeature.ts

Purely typed service container

import { FF } from '../../src';
import { GreetingsServiceInterface } from './services/GreetingsServiceInterface';
import { ScreamGreetingsService } from './services/ScreamGreetingsService';
import { GreetingsFeatureServices } from './GreetingsFeature';

function decorateWithScreams(greeter: GreetingsServiceInterface): GreetingsServiceInterface {
  return new ScreamGreetingsService(greeter);
}

export const ScreamGreetingsFeature: FF<unknown, GreetingsFeatureServices> = ({ override: { greetingService } }) => ({
  ...greetingService((original) => decorateWithScreams(original())),
});