Store Angular

app.module.ts

import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';
import { StoreModule } from '@ngrx/store';
import { counterReducer } from './store/counter';

import { AppComponent } from './app.component';

@NgModule({
  declarations: [
    AppComponent
  ],
  imports: [
    BrowserModule,
    StoreModule.forRoot({ counter: counterReducer })
  ],
  providers: [],
  bootstrap: [AppComponent]
})
export class AppModule { }

reducer.ts

import { Action } from '@ngrx/store';

export const INCREMENT = 'INCREMENT';
export const DECREMENT = 'DECREMENT';
export const RESET = 'RESET';

export function counterReducer(state: number = 0, action: Action) {
  switch (action.type) {
    case INCREMENT:
      return state + 1;

    case DECREMENT:
      return state - 1;

    case RESET:
      return 0;

    default:
      return state;
  }
}

utils.txt

https://github.com/ngrx/store

https://github.com/angular-redux/form

https://github.com/angular-redux/form/tree/master/source/connect

https://gist.github.com/falexandre/8b74b4ad186622f6ac0e3be3c23044f4