Book Image

Front-End Development Projects with Vue.js

By : Raymond Camden, Hugo Di Francesco, Clifford Gurney, Philip Kirkbride, Maya Shavin
Book Image

Front-End Development Projects with Vue.js

By: Raymond Camden, Hugo Di Francesco, Clifford Gurney, Philip Kirkbride, Maya Shavin

Overview of this book

Are you looking to use Vue 2 for web applications, but don't know where to begin? Front-End Development Projects with Vue.js will help build your development toolkit and get ready to tackle real-world web projects. You'll get to grips with the core concepts of this JavaScript framework with practical examples and activities. Through the use-cases in this book, you'll discover how to handle data in Vue components, define communication interfaces between components, and handle static and dynamic routing to control application flow. You'll get to grips with Vue CLI and Vue DevTools, and learn how to handle transition and animation effects to create an engaging user experience. In chapters on testing and deploying to the web, you'll gain the skills to start working like an experienced Vue developer and build professional apps that can be used by other people. You'll work on realistic projects that are presented as bitesize exercises and activities, allowing you to challenge yourself in an enjoyable and attainable way. These mini projects include a chat interface, a shopping cart and price calculator, a to-do app, and a profile card generator for storing contact details. By the end of this book, you'll have the confidence to handle any web development project and tackle real-world front-end development problems.
Table of Contents (16 chapters)
Preface

Router Hooks

The general flow of route navigation is described in the following diagram:

Figure 6.23: Navigation resolution flow diagram

Once navigation is triggered on a certain route, Vue Router provides several primary navigation guards, or Hooks, for developers to guard or intercept that navigation process. These guards can be hooked either globally or in the component, depending on the type. Some examples are as follows:

  • Globally: beforeEach, beforeResolve, and afterEach
  • Per component: beforeEnter
  • In-component: beforeRouteUpdate, beforeRouteEnter, and beforeRouterLeave

As seen in Figure 6.23, navigation is considered completed only after all the Hooks or guards have been resolved, including any asynchronous guard. Now, let's see how to set up beforeEach Hooks.

Setting up beforeEach Hooks

beforeEach is a global Hook and is called at the very beginning of navigation, before the other global and in-component Hooks are triggered...