Handler example

handler-class.ts

export class SomeHandler {
  constructor(private http: Http) {  }
  @afterEvery(SomeCommand)
  async handleSomeCommand(action: SomeCommand, dispatch: Dispatch) {
    const withData = await this.http.get("/");
    dispatch(someEventHappened(withData));
  }
}

handler-hof.ts

export const handleSomeCommand = (http: Http) => afterEvery(SomeCommand)(
  async (action: SomeCommand, dispatch: Dispatch) => {
    const withData = await http.get("/");
    dispatch(someEventHappened(withData));
  }
)

handler-old-class.ts

export class SomeHandler {
  private http: Http
  constructor(http: Http) { 
    this.http = http;
  }
  @afterEvery(SomeCommand)
  async handleSomeCommand(action: SomeCommand, dispatch: Dispatch) {
    const withData = await this.http.get("/");
    dispatch(someEventHappened(withData));
  }
}