Angular 4

What Is the forRoot Method in Angular 4?

What Is the forRoot Method?
The forRoot is a static method and it’s very easy for developers to configure the modules and the best example is - RouterModule.forRoot.

The RouterModule also offers a forChild. It’s also a static method and use to configure the routes of lazy-loaded modules. The forRoot and forChild are the traditional names for methods that configure services in root.


Example –
import { NgModule } from '@angular/core';
import { RouterModule, Routes  } from '@angular/router';
import { HttpModule } from '@angular/http';
import { FormsModule, ReactiveFormsModule } from '@angular/forms';
import { AppComponent } from './components/app/app.component'
import { NavMenuComponent } from './components/navmenu/navmenu.component';
import { HomeComponent } from './components/home/home.component';
import { UserComponent } from './components/user/user.component';
import { UserService } from './components/service/user.service';
import { BarCodePipe } from './components/pipe/custom.pipe';


export const sharedConfig: NgModule = {
    bootstrap: [ AppComponent ],
    declarations: [
        AppComponent,
        NavMenuComponent,
        HomeComponent,
        UserComponent,
        BarCodePipe
    ],
    imports: [
        RouterModule.forRoot([
            { path: '', redirectTo: 'home', pathMatch: 'full'},
            { path: 'home', component: HomeComponent },
            { path: 'user', component: UserComponent },
            { path: '**', redirectTo: 'home' }
        ])
    ],
    providers: [UserService]
};

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ANIL SINGH

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