How to install recommended extensions for vue

Vue.js is a popular JavaScript framework that provides a simple, flexible and efficient way to develop front-end applications. Vue’s ecosystem is very rich and has many useful extensions including components, plugins, libraries, and more. These extensions can greatly improve our work efficiency and development speed. In this article, we will discuss how to install some recommended extensions for Vue to speed up your development.

Vue CLI

Vue CLI is an official scaffolding tool used to quickly build Vue.js projects. The Vue CLI provides many useful features, including:

• Create and manage Vue projects from the command line.
• Built-in development server supports hot loading and hot module replacement.
• Automatically generate project structure and configuration files.
• Supports different build tools and plugins, such as Babel, TypeScript, ESLint, PWA, etc.

Installing Vue CLI is very simple:

npm install -g @vue/cli

After the installation is complete, you can use the following command to create a new Vue project:

vue create my-project

Vue Router

Vue Router is an officially supported router for managing navigation of front-end applications. Vue Router can map multiple components to different URLs to facilitate conversion between URLs and components. Vue Router also provides advanced features such as nested routing, named views, routing parameters, and more.

Installing Vue Router is easy. Just run the following command:

npm install vue-router

After the installation is complete, you need to introduce Vue Router into the Vue project:

import Vue from 'vue'
import VueRouter from 'vue-router'

Vue.use(VueRouter)

Then, define the router in your Vue component:

const router = new VueRouter({
  mode: 'history', // 可选值：'hash' 或 'history'
  routes: [
    {
      path: '/',
      component: Home
    },
    {
      path: '/about',
      component: About
    }
  ]
})

Finally, bind the router to the Vue instance:

new Vue({
  router,
  render: h => h(App)
}).$mount('#app')

Vuex

Vuex is an officially supported state management library for managing the data flow of Vue.js applications. Vuex provides a general, extensible way to manage application state. It stores the application's state in a single store and provides some useful tools for handling state changes, asynchronous operations, plugins, and more.

Installing Vuex is easy, just run the following command:

npm install vuex

Then, use Vuex in your Vue component:

import Vue from 'vue'
import Vuex from 'vuex'

Vue.use(Vuex)

const store = new Vuex.Store({
  state: {
    count: 0
  },
  mutations: {
    increment(state) {
      state.count++
    }
  }
})

new Vue({
  store,
  render: h => h(App)
}).$mount('#app')

Now, in your component pass $store accesses the value in the store:

this.$store.state.count

Call mutations to update status:

this.$store.commit('increment')

Vue Devtools

Vue Devtools is a browser extension for debugging Vue. js application. Vue Devtools provides many useful features, including:

• Component hierarchy, showing all components in the current page.
• Real-time data, showing all state changes of the store and the props and data of the component.
• Event monitor displays events triggered by all components and their parameters and return values.

Installing Vue Devtools is very simple. Simply search for "Vue Devtools" in your browser and follow the browser extension's installation process.

Vue Test Utils

Vue Test Utils is an officially supported testing tool library for writing unit tests and end-to-end tests. Vue Test Utils provides a set of useful tools, including:

• A test runner that can run in Node.js and the browser.
• Provides some manual and automatic ways to create and destroy Vue components.
• Provides some simulation methods for Vue components to make testing easier.

Installing Vue Test Utils is easy. Just run the following command:

npm install --save-dev @vue/test-utils

Then, import and use Vue Test Utils in your test file:

import { mount } from '@vue/test-utils'
import MyComponent from './MyComponent.vue'

describe('MyComponent', () => {
  it('renders correctly', () => {
    const wrapper = mount(MyComponent)
    expect(wrapper.html()).toContain('Hello, World!')
  })
})

Vue-i18n

Vue-i18n is an official Supported internationalization libraries for localizing applications into other languages. Vue-i18n provides a simple, flexible way to translate all text in your application into other languages.

Installing Vue-i18n is easy, just run the following command:

npm install vue-i18n

Then, use Vue-i18n in your Vue component:

import Vue from 'vue'
import VueI18n from 'vue-i18n'

Vue.use(VueI18n)

const i18n = new VueI18n({
  locale: 'en',
  messages: {
    en: {
      hello: 'Hello, World!'
    },
    fr: {
      hello: 'Bonjour, Tout le Monde!'
    }
  }
})

new Vue({
  i18n,
  render: h => h(App)
}).$mount('#app')

Now, in your Use the $t method in the component to get the text:

<template>
  <div>{{ $t('hello') }}</div>
</template>

The above are some recommended extensions for Vue. These extensions can help you develop Vue.js more efficiently. If you need more extensions or other help, check out the official Vue.js documentation or community resources.

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