Vue Cli项目重构为Vite的方法步骤

pnpm remove @vue/cli-plugin-babel @vue/cli-plugin-eslint @vue/cli-service

pnpm add -D vite @vitejs/plugin-vue @vitejs/plugin-vue2 @vitejs/plugin-vue2-jsx

pnpm remove -D babel-plugin-dynamic-import-node babel-eslint

{
  "scripts": {
    "dev": "vite --host",
    "build:prod": "vite build",
    "build:stage": "vite build --mode staging"
  }
}

import { defineConfig, loadEnv } from 'vite';
// 如果使用的是 vue2.6, 请使用 vite-plugin-vue2
// import { createVuePlugin as vue } from 'vite-plugin-vue2';
import vue from '@vitejs/plugin-vue2';
import { resolve } from 'path';
import rollupNodePolyFill from 'rollup-plugin-node-polyfills';
import { dataToEsm } from '@rollup/pluginutils';
import vueJsx from '@vitejs/plugin-vue2-jsx';

export default ({ mode }) => {
  process.env = { ...process.env, ...loadEnv(mode, process.cwd(), '') };

  return defineConfig({
    plugins: [
      // vue2.6
      // vue({ jsx: true }),
      // vue2.7
      vue(),
      vueJsx(),
    ],
    server: {
      port: 75,
      proxy: {
        [process.env.VITE_APP_BASE_API]: {
          target: process.env.VITE_APP_PROXY_API,
          changeOrigin: true,
          rewrite: (path) => path.replace(new RegExp(`^${process.env.VITE_APP_BASE_API}`), ''),
        },
      },
    },
    resolve: {
      alias: {
        '@': resolve('src'),
      },
      extensions: ['.js', '.vue', '.json'],
    },
  });
};

defineConfig({
  // ...
  resolve: {
    alias: {
      '@': resolve('src'),
      // 如果你的项目中使用了node的一些模块，需要在这里添加对应的polyfill，如没有配置.js的extensions，需要在末尾添加.js
      path: 'rollup-plugin-node-polyfills/polyfills/path',
  }
})

defineConfig({
  // ...
  build: {
    rollupOptions: {
      output: {
        chunkFileNames: 'js/[name]-[hash].js',
        entryFileNames: 'js/[name]-[hash].js',
        assetFileNames: 'assets/[ext]/[name]-[hash][extname]',
        // 分离依赖包
        manualChunks: {
          vue: ['vue'],
          echarts: ['echarts'],
          'element-ui': ['element-ui'],
        },
      },
    },
  },
});

// 替换前
const uploadFileUrl = process.env.VUE_APP_BASE_API + '/upload';
// 替换后
const uploadFileUrl = import.meta.env.VITE_APP_BASE_API + '/upload';

// 替换前
const { version } = require('../../package.json');
// 替换后
import { version } from '../../package.json';

// 替换前
const svgIcons = require.context('@/assets/icons/svg', false, /\.vue$/);
// 替换后
const svgIcons = import.meta.globEager('@/assets/icons/svg'); 

// 替换前
route.component = () => require([`@/views/${route.component}`]);
// 替换后

// 动态导入
const views = import.meta.glob('@/views/**/**.vue');
route.component = views[`@/views/${route.component}.vue`];

// 确定文件路径的动态导入
// 替换前
route.component = () => require('@/views/index/index');
// 替换后
route.component = () => import('@/views/index/index.vue');

// .eslintrc.js
module.exports = {
  // ...
  // 移除
  // parser: 'babel-eslint',
  // ...
};

<!-- ... -->
<script type="module" src="/src/main.js"></script>
<!-- ... -->

pnpm add -D vite-plugin-svg-icons

import { createSvgIconsPlugin } from 'vite-plugin-svg-icons';

defineConfig({
  // ...
  plugins: [
    // ...
    createSvgIconsPlugin({
      // 图标文件夹中，所有的svg文件将被转换为svg精灵
      iconDirs: [resolve(process.cwd(), 'src/assets/icons/svg')],
      // 指定symbolId格式
      symbolId: 'icon-[dir]-[name]',
    }),
  ],
});

// src/main.js
// ...
import 'virtual:svg-icons-register';
// ...

<template>
  <div v-if="isExternal" :style="styleExternalIcon" class="svg-external-icon svg-icon" v-on="$listeners" />
  <svg v-else :class="svgClass" aria-hidden="true" v-on="$listeners">
    <use :xlink:href="iconName" rel="external nofollow"  />
  </svg>
</template>

<script>
import { isExternal } from '@/utils/validate';

export default {
  name: 'SvgIcon',
  props: {
    iconClass: {
      type: String,
      required: true,
    },
    className: {
      type: String,
      default: '',
    },
  },
  computed: {
    isExternal() {
      return isExternal(this.iconClass);
    },
    iconName() {
      return `#icon-${this.iconClass}`;
    },
    svgClass() {
      if (this.className) {
        return 'svg-icon ' + this.className;
      } else {
        return 'svg-icon';
      }
    },
    styleExternalIcon() {
      return {
        mask: `url(${this.iconClass}) no-repeat 50% 50%`,
        '-webkit-mask': `url(${this.iconClass}) no-repeat 50% 50%`,
      };
    },
  },
};
</script>

<style scoped>
.svg-icon {
  width: 1em;
  height: 1em;
  vertical-align: -0.15em;
  fill: currentColor;
  overflow: hidden;
}

.svg-external-icon {
  background-color: currentColor;
  mask-size: cover !important;
  display: inline-block;
}
</style>