String Enum Typed Actions

string-enum-typed-actions.ts

// counter.actions.ts
import { Action } from '@ngrx/store';

export const enum CounterTypes {
  INCREMENT  = '[Counter] Increment';
  DECREMENT  = '[Counter] Decrement';
  RESET      = '[Counter] Reset';
};

export class Increment implements Action {
  readonly type = CounterTypes.INCREMENT;
}

export class Decrement implements Action {
  readonly type = CounterTypes.DECREMENT;
}

export class Reset implements Action {
  readonly type = CounterTypes.RESET;

  constructor(public payload: number) {}
}

export type CounterActions
  = Increment
  | Decrement
  | Reset;