使用Webpack 搭建 Vue3 开发环境过程详解

 project-name
+ |- index.html
 |- package.json
+ |- webpack.config.js
+ |- /src
+ |- index.js

'use strict'

const path = require('path')
const HtmlWebpackPlugin = require('html-webpack-plugin')
const { VueLoaderPlugin } = require('vue-loader')

module.exports = {
 mode: 'development',
 entry: './src/index.js',
 output: {
 filename: 'index.js',
 path: path.resolve(__dirname, 'dist')
 },
 resolve: {
 alias: {
  'vue': '@vue/runtime-dom',
  'vuex': 'vuex/dist/vuex.esm-bundler',
  '@': path.join(__dirname, 'src')
 }
 },
 module: {
 rules: [
  {
  test: /\.vue$/,
  use: [
   {
   loader: 'vue-loader'
   }
  ]
  },
  {
  test: /\.css$/,
  use: [
   {
   loader: 'style-loader'
   },
   {
   loader: 'css-loader'
   }
  ]
  },
  {
  test: /\.(png|jpe?g|gif)$/i,
  loader: 'file-loader'
  options: {
   name: 'images/[name].[ext]'
  }
  }
 ]
 },
 plugins: [
 new HtmlWebpackPlugin({
  filename: 'index.html',
  template: './index.html'
 }),
 new VueLoaderPlugin()
 ],
 devServer: {
 compress: true,
 port: 8080
 }
}

npm install --save-dev css-loader file-loader html-webpack-plugin style-loader vue-loader@16.0.0-beta.4 @vue/compiler-sfc webpack webpack-cli webpack-dev-server

npm install --save vue@3.0.0-beta.15 vue-router@4.0.0-alpha.13 vuex@4.0.0-beta.2

 project-name
 |- package.json
 |- /src
+ |- app.vue

<template>
 <ul>
 <li><router-link to="/">Home</router-link></li>
 <li><router-link to="/about">About</router-link></li>
 </ul>
 <router-view/>
</template>

import { createApp } from 'vue'

import App from '@/app.vue'
import router from '@/router'
import store from '@/store'

createApp(app)
 .use(router)
 .use(store)
 .mount('#app')

 project-name
 |- package.json
 |- /src
+ |- /router
+  |- index.js

import { createRouter, createWebHashHistory } from 'vue-router'

const routes = [
 {
 path: '/',
 component: require('@/views/index.vue').default
 },
 {
 path: '/about',
 component: require('@/views/about.vue').default
 },
 {
 path: '/:catchAll(.*)',
 component: require('@/views/404.vue').default
 }
]

const router = createRouter({
 history: createWebHashHistory(),
 routes
})

export default router

import { useRouter } from 'vue-router'

export default {
 setup() {
 const router = useRouter()

 // 也可以解构
 const { push, go, back } = useRouter()
 }
}

import { useRoute } from 'vue-router'

export default {
 setup() {
 const route = useRoute()
 }
}

 project-name
 |- package.json
 |- /src
+ |- /store
+  |- index.js

import { createStore } from 'vuex'

const store = createStore({
 state: {},
 getters: {},
 mutations: {},
 actions: {}
})

export default store

import { useStore } from 'vuex'

export default {
 setup() {
 const { state, getters, commit, dispatch } = useStore()

 return {
  state
 }
 }
}

{
 "scripts": {
 "dev": "webpack-dev-server",
 "build": "webpack"
 }
}