Mastering Angular Components

By : Kunz

Buy this Book

Mastering Angular Components

By: Kunz

Buy this Book

Overview of this book

Mastering Angular Components will help you learn how to invent, build, and manage shared and reusable components for your web projects. Angular components are an integral part of any Angular app and are responsible for performing specific tasks in controlling the user interface. Complete with detailed explanations of essential concepts and practical examples, the book begins by helping you build basic layout components, along with developing a fully functional task-management application using Angular. You’ll then learn how to create layout components and build clean data and state architecture for your application. The book will even help you understand component-based routing and create components that render Scalable Vector Graphics (SVG). Toward the concluding chapters, you’ll be able to visualize data using the third-party library Chartist and create a plugin architecture using Angular components. By the end of this book, you will have mastered the component-based architecture in Angular and have the skills you need to build modern and clean user interfaces.

Preface

Who this book is for

What this book covers

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Free Chapter

Component-Based User Interfaces

Thinking in components

Components – the organs of user interfaces

Angular's component architecture

Your first component

JavaScript of the future

Tools

Summary

Ready, Set, Go!

Managing tasks

Starting from scratch

Creating a task list

The right size of components

Adding tasks

Custom UI elements

Task data service

Filtering tasks

Summary

Dealing with Data and State

Reactive programming with RxJS

HTTP client and in-memory web APIs

Immutability

Pure components

Introducing container components

Purifying our task list

Summary

Thinking in Projects

Moving into projects

Creating a tabbed interface component

Building the main navigation

One editor to rule them all

Dealing with users

Building a commenting system

Summary

Component-Based Routing

An introduction to the Angular router

Composition using the router

Back to the routes

Guarding our projects

Summary

Keeping up with Activities

Creating a service for logging activities

Leveraging the power of SVG

Building an interactive activity slider component

Building the activity timeline

Summary

Components for User Experience

Tag management

Supporting tag input

Drag and drop

Summary

Time Will Tell

Task details

Managing efforts

Summary

Spaceship Dashboard

Introduction to Chartist

Projects dashboard

Creating your first chart

Visualizing open tasks

Summary

Putting Things to the Test

An introduction to Jasmine and Karma

Writing our first test

Spying on component output

Utilities to test components

Using TestBed for running Angular tests

Testing components in action

Testing component interaction

Summary

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An introduction to Jasmine and Karma

Jasmine is a very simple testing framework that comes with an API; it allows you to write Behavior-Driven Development (BDD) style tests. BDD is an agile software development process for defining specifications in a written format.

In BDD, we define that an agile user story consists of multiple scenarios. These scenarios closely relate to, or even replace, the acceptance criteria of a story. They define requirements on a higher level, and they are mostly written narratives. Each scenario consists of three parts:

Given: This part is used to describe the initial state of the scenario. The test code is where we perform all of the setup that is needed to execute the test scenario.
When: This part reflects the changes that we perform on the system being tested. Usually, this part consists of some API calls and actions that reflect the behavior of...