mirror of
https://github.com/electron-vite/electron-vite-vue
synced 2025-01-20 04:16:36 +08:00
314 lines
12 KiB
Markdown
314 lines
12 KiB
Markdown
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- 伴随着 `vue3` 的发布，vue 全家桶又添新成成员 ——`vite` 脚手架工具；相比 `@vue/cli` 基于浏览器内置的 ES module 极快的冷启动速度、基于 `Rollup` 打包的配置更简单(确实简单)；
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`vite` 底层原理网上已有好多文章，本文主要讲使用
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- 公司的项目用的整合方案是 `umi` + `electron` ，umi 是我用过目前最傻瓜化的框架了，你能想到的她都做了而且还是自动化的 👍
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唯一一点不大好的 umi 的构建速度较慢；
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vite 冷启动速度确实让人眼前一亮，索性拿来和 electron 集成一波；算是一个技术备选方案 `^_^`
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> 毕竟 ****尤大出品，必是精品**** 定律嘛！
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[完整代码 https://github.com/caoxiemeihao/electron-vue-vite](https://github.com/caoxiemeihao/electron-vue-vite)
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**`喜欢的(づ￣3￣)づ╭❤～给点个start哦~`**
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#### 划重点 (踩坑记录)
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- import { write } from 'fs' 的这种形式会被 vite 编译成 /@modules/fs?import
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- const { write } = require('fs') 这种形式就能用了 😉
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- const { ipcRenderer } = require('electron') 同理
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- 虽然开发期可以用 require 避开 vite 的编译问题，但是打包时候 rollup 那边又出了问题；
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* 拿 require('electron-store') 举例，在 vite.config.ts 中通过 **`自定义 rollup-plugin`** 转换成 EMS 形式即可
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* `const Store = require('electron-store')` >> `import Store from 'electron-store'`
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#### 准备材料
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- `vue3`
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- `vite` vue3 脚手架
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- `electron`
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- `electron-builder` electron 构建工具
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- `electron-connect` 主进程代码修改热重启
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- `rollup` 之前写过一个偏文章 [Electron、webpack、react、typescript 从零开始搭积木](https://www.jianshu.com/p/3aafab67ff70)
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* 一来能少装个包，vite 用的也是 rollup —— 入乡随俗
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* 二来 rollup 的配置比 webpack 简单又专注于 js 的打包；只是用来打包 electron 主进程代码确实方便
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- `concurrently` 同时启动 vite(渲染进程)、electron(主进程)
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- `wait-on` 用于监听 vite 启动，随后拉起 electron 启动
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- `chalk` 命令行文字颜色、背景色
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- `ora` 命令行友好提示
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- `minimist` 命令行参数解析
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- `dotenv` 解析 .env 文件
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#### 先用创建一个 vite 工程
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- 官方命令: [https://github.com/vitejs/vite#getting-started](https://github.com/vitejs/vite#getting-started)
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```bash
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yarn create vite-app <project-name>
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```
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#### 然后调整目录结构
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```tree
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.
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├─dist 打包后的文件夹
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├─screenshot
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├─script
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│ ├─build.js 主进程构建文件
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│ └─rollup.config.js 主进程构建配置
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└─src
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├─main
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│ └─index.ts 主进程入口文件
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└─render
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├─assets
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├─components
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├─dist vue 打包后目录
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│ _assets
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├─public
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├─App.vue
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├─index.css
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├─index.html
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└─main.js 渲染进程入口文件
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└─.env 配置文件
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```
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#### 主进程构建配置
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> script/rollup.config.js
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- `@rollup/plugin-node-resolve` 支持引入 `node_modules` 模块
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- `@rollup/plugin-commonjs` 支持 `require`、`module.exports` 写法
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- `@rollup/plugin-typescript` 支持 `typescript`
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```javascript
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const path = require('path');
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const { nodeResolve } = require('@rollup/plugin-node-resolve');
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const commonjs = require('@rollup/plugin-commonjs');
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const typescript = require('@rollup/plugin-typescript');
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module.exports = (env = 'production') => {
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return {
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input: path.join(__dirname, '../src/main/index.ts'), // 入口文件
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output: {
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file: path.join(__dirname, '../src/main/_.js'), // 输出目标
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format: 'cjs', // CommonJs 格式
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name: 'ElectronMainBundle', // 模块名称(可选)
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sourcemap: true,
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},
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plugins: [
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nodeResolve({ jsnext: true, preferBuiltins: true, browser: true }), // 支持引入 node_modules 模块
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commonjs(), // 支持 CommonJs 规范
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typescript(), // 支持 TypeScript
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],
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external: [
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// 告诉 rollup 碰到下面模块时候不要去打包
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'fs',
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'path',
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'http',
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'https',
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'child_process',
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'os',
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'electron',
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],
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}
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};
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```
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#### 主进程构建脚本
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> script/build.js
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- 实现思路: 使用 `wait-on` 监听 `vite` 启动，然后拉起 `electron` 打开渲染进程加载 vue 应用
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- `rollup` 使用比较简单
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* 如果是开发模式用 `rollup.watch(options)` 会监听文件变化，文件改变自动重新编译
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* 如果只是构建使用 `rollup.rollup(options)` 只会执行一次构建
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```javascript
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/**
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* electron 打包
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*/
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const path = require('path');
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const rollup = require('rollup');
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const argv = require('minimist')(process.argv.slice(2));
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const chalk = require('chalk');
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const ora = require('ora');
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const waitOn = require('wait-on');
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const electron = require('electron-connect').server.create({ stopOnClose: true }); // 表示要操作主进程端(对应的还是渲染进程端；渲染进程用的 vite 热更新)
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require('dotenv').config({ path: path.join(__dirname, '../.env') }); // 解析项目根目录下的 .env 文件
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const options = require('./rollup.config'); // 引入 rollup 配置
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const opt = options(argv.env);
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const TAG = '[script/build.js]';
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const spinner = ora(`${TAG} Electron build...`);
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if (argv.watch) { // 开发模式 (命令行传入 --watch 标识)
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waitOn({
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resources: [`http://localhost:${process.env.PORT}`], // 等待 vite 服务器启动，然后拉起 electron
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log: false,
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}, err => {
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if (err) {
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console.log(err);
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process.exit(1);
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}
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// once here, all resources are available
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const watcher = rollup.watch(opt);
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watcher.on('change', filename => {
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const log = chalk.green(`change -- ${filename}`);
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console.log(TAG, log);
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});
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watcher.on('event', ev => {
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if (ev.code === 'END') {
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// init-未启动、started-第一次启动、restarted-重新启动
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electron.electronState === 'init' ? electron.start() : electron.restart();
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}
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});
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});
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} else { // 构建模式
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spinner.start();
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rollup.rollup(opt)
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.then(build => {
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spinner.stop();
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console.log(TAG, chalk.green('Electron build successed.'));
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build.write(opt.output);
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})
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.catch(error => {
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spinner.stop();
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console.log(`\n${TAG} ${chalk.red('构建报错')}\n`, error, '\n');
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});
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}
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```
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#### 渲染进程 vite 配置
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> vite.config.ts
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- 需要改变 `vite` 的构建路径，因为 vue 代码移动到了 `src/render` 下
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- 通过 `.env` 配置启动端口，配合主进程监听端口启动
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```typescript
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/**
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* 参考链接: https://github.com/vitejs/vite/blob/master/src/node/config.ts
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*/
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import { join } from 'path'
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import { UserConfig } from 'vite'
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import dotenv from 'dotenv'
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dotenv.config({ path: join(__dirname, '.env') })
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const root = join(__dirname, 'src/render')
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const config: UserConfig = {
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root,
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port: +process.env.PORT,
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base: './',
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outDir: join(__dirname, 'dist/render'),
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alias: {
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// 别名必须以 / 开头、结尾
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// '/@/': root, -- vite 内部在用，这里不能用了
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// '/root/': __dirname, -- vite 内部在用，这里不能用了
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'/assets/': join(__dirname, 'src/render/assets'),
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'/components/': join(__dirname, 'src/render/components'),
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'/lib/': join(__dirname, 'src/render/lib'),
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'/utils/': join(__dirname, 'src/render/utils'),
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'/views/': join(__dirname, 'src/render/views'),
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},
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optimizeDeps: {
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// 这里不加也没事，用 require 的形式就能避开 import 被编译成 /@modules/fs?import
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// allowNodeBuiltins: ['electron-is-dev', 'electron-store', 'electron']
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},
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rollupInputOptions: {
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external: [
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'crypto',
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'assert',
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'fs',
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'util',
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'os',
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'events',
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'child_process',
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'http',
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'https',
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'path',
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'electron',
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],
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plugins: [
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{
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name: '@rollup/plugin-cjs2esm',
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transform(code, filename) {
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if (filename.includes('/node_modules/')) {
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return code
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}
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const cjsRegexp = /(const|let|var)[\n\s]+(\w+)[\n\s]*=[\n\s]*require\(["|'](.+)["|']\)/g
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const res = code.match(cjsRegexp)
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if (res) {
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// const Store = require('electron-store') -> import Store from 'electron-store'
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code = code.replace(cjsRegexp, `import $2 from '$3'`)
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}
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return code
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},
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}
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],
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},
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rollupOutputOptions: {
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format: 'commonjs',
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},
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}
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export default config
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```
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#### 启动脚本配置
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```json
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{
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"main": "src/main/_.js",
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"scripts": {
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"dev": "npm run dev:all",
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"dev:all": "concurrently -n=vue,ele -c=green,blue \"npm run dev:vue\" \"npm run dev:ele\"",
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"dev:vue": "vite",
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"dev:ele": "node script/build --env=development --watch",
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"build:vue": "vite build",
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"build:ele": "node script/build --env=production",
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"build": "npm run build:vue && npm run build:ele && electron-builder"
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}
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}
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```
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- main `electron` 启动后会加载 main 配置的文件
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- dev:all 使用 `concurrently` 同时启动 `dev:vue`、`dev:ele`
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- dev:ele `electron` 开发模式脚本，通过传入 `--watch` 表示 rollup 监听主进程变化自动编译
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- build 使用 `electron-builder` 打包
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#### 启动一下试试
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```bash
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$ yarn dev
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yarn run v1.22.4
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$ npm run dev:all
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> electron-vue@0.0.1 dev:all D:\github\electron-vue-vite
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> concurrently -n=vue,ele -c=green,blue "npm run dev:vue" "npm run dev:ele"
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[ele]
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[ele] > electron-vue@0.0.1 dev:ele D:\github\electron-vue-vite
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[ele] > node script/build --env=development --watch
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[ele]
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[vue]
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[vue] > electron-vue@0.0.1 dev:vue D:\github\electron-vue-vite
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[vue] > vite
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[vue]
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[vue] vite v1.0.0-rc.4
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[vue]
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[vue] Dev server running at:
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[vue] > Network: http://192.168.1.9:3344/
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[vue] > Network: http://192.168.119.1:3344/
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[vue] > Network: http://10.0.60.32:3344/
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[vue] > Local: http://localhost:3344/
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[vue]
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[ele] [2020-08-17T08:57:11.850Z] [electron-connect] [server] started electron process: 1488
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[ele] [2020-08-17T08:57:11.851Z] [electron-connect] [server] server created and listening on 30080
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[ele]
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```
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#### 尾巴
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- 2019 款 13 寸 mac-pro 启动速度 4秒 左右
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- 奔腾 G4560 台机 CUP 神舟笔记本启动速度 6 秒左右
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- 毋庸置疑 vite 的方案比起 @vue/cli、umi、create-react-app 这类基于 webpack 的脚手架启动这块的优势大的多滴多
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- 技术总是飞快的迭代、进步，目的都是解决一些已经存在、或即将到来的问题；继续治疗、学习起来、加油哇~
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