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Angular News Sunday, March 11 Angular cli, New angular app, Json web tokens & more…

Angular News TLDR / Table of Contents

  • This can be achieved with following node libraries: – lint-staged Run linters/formatters on git staged fileshusky Git hooks made easyInstall: – yarn add -D lint-staged huskyConfigure lint-staged: – lint-staged config within package.jsonAnd add commit hook via custom npm script, which will be recognised by husky and executed on particular git-hook….
  • Excellent, you will never ever have to argue with your PR reviewer about semicolons vs no-semicolons, spacesyou nameit.With that said, lets switch to more serious stuff – Unit TestingIf youre not testing your codebase I will find you and I will:DAngular CLI comes with Karma test runner and Jasmine expectation/spy…
  • Jest is a complete testing solution, that includes both test runner and assertion/spy library and much more – Its super easy to setup, its blazingly fast and introduces a brand new type of testingsnapshot testing ( which can be leveraged with everything that is serializablecomponent snapshots, state snapshots, image snapshots)…
  • You can see it deployed with various Angular stories examples here – Storybook CLI integration – To add Storybook to Angular CLI, we will leverage storybook CLI: – npx @storybook/cli@alpha getstorybookWhile we are enjoying our morning quick shot of espresso, everything is setup for us.Amazing!add storybook to angularCLIThen we execute…
  • You can learn more here – Storybook: write a story – Lets look very quickly how to write a story for simple button component: – Angular ComponetStoryStorybook: Component folder structure – With storybook covered, our final component folder structure should look like this: – Final folder structureimplementationunit test with snapshotsexternal…

Tags: Angular CLI, new Angular app, Angular team, various Angular stories, better Angular

  • /app.component’; – import { LoginComponent } from declarations: [ – AppComponent, – LoginComponent, – ], – imports: [ – BrowserModule, – RouterModule.forRoot([ – { path: ‘login’, component: LoginComponent } – ]) – ], – providers: [], – bootstrap: [AppComponent] – }) – – export class AppModule { } – -…
  • Auth Service – Next, lets create a global service to handle a user logging in, logging out, and signing up: – – $ ng generate service services/auth – – – Edit the auth.service.ts so that it has the following code: – – import { Injectable } from class AuthService {…
  • /app.component’; – import { LoginComponent } from { AuthService } from declarations: [ – AppComponent, – LoginComponent, – ], – imports: [ – BrowserModule, – RouterModule.forRoot([ – { path: ‘login’, component: LoginComponent } – ]) – ], – providers: [AuthService], – bootstrap: [AppComponent] – }) – – export class AppModule…
  • User Login – To handle logging a user in, update the AuthService like so: – – import { Injectable } from ‘@angular/core’; – import { Headers, Http } from ‘@angular/http’; – import class AuthService { – private BASE_URL: string = ‘http://localhost:5000/auth’; – private headers: Headers = new Headers({‘Content-Type’: ‘application/json’}); -…
  • /app.component’; – import { LoginComponent } from { AuthService } from declarations: [ – AppComponent, – LoginComponent, – ], – imports: [ – BrowserModule, – HttpModule, – RouterModule.forRoot([ – { path: ‘login’, component: LoginComponent } – ]) – ], – providers: [AuthService], – bootstrap: [AppComponent] – }) – – export…

Tags: JSON Web Tokens, app.module.ts file, new route handler, javascript console, Angular app

  • Below is my sub Express application: – – import * as express from ‘express’; import {enableProdMode} from ‘@angular/core’; let app: any = express(); import * as path from ‘path’; const VIEW_FOLDER = path.join(process.cwd(), ‘angular-server’); import ‘zone.js/dist/zone-node’; import ‘reflect-metadata’; import {ngExpressEngine} from ‘@nguniversal/express-engine’; import {AppServerModuleNgFactory} from enableProdMode(); app.engine(‘html’, ngExpressEngine({ bootstrap: AppServerModuleNgFactory,…
  • I have included the relevant Angular code below: – – import {NgModule} from ‘@angular/core’; import {ServerModule} from ‘@angular/platform-server’; import {AppModule} from ‘.
  • /app.component’; @NgModule({ imports: [ AppModule, ServerModule ], bootstrap: [ AppComponent ], }) export class AppServerModule {} – – import {NgModule} from ‘@angular/core’; import {CommonModule} from ‘@angular/common’; import {BrowserModule} from ‘@angular/platform-browser’; import {AppComponent} from ‘.
  • /app.component’; @NgModule({ imports: ‘angular-samples’}), CommonModule], declarations: [AppComponent] }) export class AppModule {} – – import {Component} from ‘@angular/core’; import {CHAPTERS} from ‘.
  • map(articles => { return CHAPTERS.map(chapter => { const article = articles.find(a => a.friendlyUrl === chapter.key); chapter.intro = article.intro; return chapter; }); }); } } – – You may have noticed that for server side applications we import but otherwise most of the code is familiar Angular code.

Tags: Angular, Angular code, Angular article dashboard, Angular Universal, standard Angular code

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