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Learning Vue.js 2

Learning Vue.js 2

By : Olga Filipova
4.4 (10)
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Learning Vue.js 2

Learning Vue.js 2

4.4 (10)
By: Olga Filipova

Overview of this book

Vue.js is one of the latest new frameworks to have piqued the interest of web developers due to its reactivity, reusable components, and ease of use. This book shows developers how to leverage its features to build high-performing, reactive web interfaces with Vue.js. From the initial structuring to full deployment, this book provides step-by-step guidance to developing an interactive web interface from scratch with Vue.js. You will start by building a simple application in Vue.js which will let you observe its features in action. Delving into more complex concepts, you will learn about reactive data binding, reusable components, plugins, filters, and state management with Vuex. This book will also teach you how to bring reactivity to an existing static application using Vue.js. By the time you finish this book you will have built, tested, and deployed a complete reactive application in Vue.js from scratch.
Table of Contents (11 chapters)
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Preface
Preface
What this book covers
What you need for this book
Who this book is for
Conventions
Reader feedback
Customer support
Free Chapter
1
1. Going Shopping with Vue.js
1. Going Shopping with Vue.js
Buzzwords
Vue.js history
The most important thing about Vue.js
Let's go shopping!
Using Vue.js in an existing project
Vue.js 2.0!
Projects using Vue.js
Book roadmap
Let's manage time!
Exercise
Summary
2
2. Fundamentals – Installing and Using
2. Fundamentals – Installing and Using
MVVM architectural pattern
DefineProperty, getters, and setters
Comparing with other frameworks
Vue.js fundamentals
Installing, using, and debugging a Vue.js application
Debugging your Vue application
Scaffolding our applications
Exercise
Summary
3
3. Components – Understanding and Using
3. Components – Understanding and Using
Revisiting components
Benefits of using components
Rewriting the shopping list with simple components
Exercise
Single-file components
Rewriting our shopping list application with single-file components
Exercise
Rewriting the Pomodoro application with single-file components
Reactive binding of CSS transitions
Summary
4
4. Reactivity – Binding Data to Your Application
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4. Reactivity – Binding Data to Your Application
Revisiting data binding
Interpolating data
Using expressions and filters
Revisiting and applying directives
Kittens
Summary
5
5. Vuex – Managing State in Your Application
5. Vuex – Managing State in Your Application
Parent-child components' communication, events, and brain teaser
Why do we need a global state store?
What is Vuex?
How does the store work and what is so special about it?
Greetings with store
Installing and using the Vuex store in our applications
Using the Vuex store in the shopping list application
Using Vuex store in the Pomodoro application
Summary
6
6. Plugins – Building Your House with Your Own Bricks
6. Plugins – Building Your House with Your Own Bricks
The nature of Vue plugins
Using the vue-resource plugin in the shopping list application
Creating and using a plugin in the Pomodoro application
Summary
7
7. Testing – Time to Test What We Have Done So Far!
7. Testing – Time to Test What We Have Done So Far!
Why unit tests?
Unit tests for Vue application
Writing unit tests for the shopping list application
Writing unit tests for our Pomodoro application
What is end- to-end testing?
Nightwatch for e2e
Writing e2e tests for the Pomodoro application
Summary
8
8. Deploying – Time to Go Live!
8. Deploying – Time to Go Live!
Software deployment
Moving the application to the GitHub repository
Setting continuous integration with Travis
Deploying the Pomodoro application
Deploying the shopping list application
9
9. What Is Next?
9. What Is Next?
The journey so far
Vue 2.0
Revisiting our applications
Why is it just the beginning?
Summary
10
A. Solutions to Exercises
Exercise for chapter 1
Exercises for chapter 2
Exercises for chapter 3
Summary

Revisiting and applying directives

In the previous section, we saw how to interpolate the application's data and how to bind it to the visual layer. Though the syntax is pretty powerful and offers a high possibility of data modification (using filters and expressions), it has some limitations. Try, for example, to implement the following using {{}} notation:

  • Use the interpolated data in the user input and apply the changes to the corresponding data when the user types in the input
  • Bind a specific element's attribute (for example, src) to the data
  • Render some element conditionally
  • Iterate through an array and render some component with the elements of the array
  • Create event listeners on the elements

Let's try at least the first one. Open, for example, the shopping list application (it's in the chapter4/shopping-list folder). Create an input element in the App.vue template and set its value to {{ title }}:

<template> 
  <div id="app" class="container"> 
    <h2>{{ title...

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