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vite-plugin-optimizer

v1.4.3

Published

Manually Pre-Bundling of Vite

Downloads

20,702

Readme

vite-plugin-optimizer

手动版的 Vite 预构建

NPM version NPM Downloads awesome-vite

English | 简体中文

  • 兼容 Browser, Node.js and Electron
  • 自定义 Vite 预构建 Pre-Bundling 内容

安装

npm i vite-plugin-optimizer -D

使用

import optimizer from 'vite-plugin-optimizer'

export default {
  plugins: [
    optimizer({
      vue: `const vue = window.Vue; export { vue as default }`,
    }),
  ]
}

读取本地文件

optimizer({
  // 支持嵌套模块命名
  // 支持返回 Promise
  '@scope/name': () => require('fs/promises').readFile('path', 'utf-8'),
})

Node.js 与 Electron

optimizer({
  // 预构建 ipcRenderer 在 Electron 渲染进程中使用
  electron: `const { ipcRenderer } = require('electron'); export { ipcRenderer };`,

  // 这表示 'fs' 与 'node:fs' 同时支持
  // e.g.
  //   `import fs from 'fs'`
  //   or
  //   `import fs from 'node:fs'`
  fs: () => ({
    // 这与 `alias` 行为一致
    find: /^(node:)?fs$/,
    code: `const fs = require('fs'); export { fs as default }`;
  }),
})

高级

将 Node.js ESM 包转换成 CommonJs 模块供 Node.js/Electron 使用
e.g. execa, node-fetch

看看这 👉 vite-plugin-esmodule

API (Define)

optimizer(entries[, options])

function optimizer(entries: Entries, options?: OptimizerOptions): import('vite').Plugin;
export interface OptimizerArgs {
  /** 生成缓存文件路径 */
  dir: string;
}

export interface ResultDescription {
  /**
   * 这与 `alias` 行为一致。
   * 
   * e.g.  
   *   `import fs from 'fs'`  
   *   or  
   *   `import fs from 'node:fs'`  
   * 
   * @example
   * {
   *   // 这种写法表示同时支持 'fs' 和 'node:fs'。  
   *   find: /^(node:)?fs$/,
   *   replacement: '/project/node_modules/.vite-plugin-optimizer/fs.js',
   * }
   */
  alias?: {
    find: string | RegExp;
    /**
     * 如果没有显式的指定,将会使用生成文件的路径作为默认值。
     */
    replacement?: string;
  };
  code?: string;
}

export interface Entries {
  [moduleId: string]:
  | string
  | ResultDescription
  | ((args: OptimizerArgs) => string | ResultDescription | Promise<string | ResultDescription | void> | void);
}

export interface OptimizerOptions {
  /**
   * @default ".vite-plugin-optimizer"
   */
  dir?: string;
  resolveId?: ((id: string) => string | Promise<string | void> | void);
}

工作原理

用 Vue 来举个 🌰

optimizer({
  vue: `const vue = window.Vue; export { vue as default }`,
})
  1. 创建 node_modules/.vite-plugin-optimizer/vue.js 文件并包含下面的代码
const vue = window.Vue; export { vue as default }
  1. 创建一个 vue 的别名项,并且添加到 resolve.alias
{
  resolve: {
    alias: [
      {
        find: 'vue',
        replacement: '/User/work-directory/node_modules/.vite-plugin-optimizer/vue',
      },
    ],
  },
}

/**
 * 🚧
 * 如果你是用的是 function 并且没有返回值, 那么就不会注册 alias
 * 这种情况下, 你必须显式的返回 alias
 * 
 * e.g.
 * 
 * optimizer({
 *   async vue(args) {
 * 
 *     // ① 你可能会自己构建 `vue` 并且输出到指定的文件夹
 *     await require('vite').build({
 *       entry: require.resolve('vue'),
 *       outputDir: args.dir + '/vue',
 *     })
 * 
 *     return {
 *       alias: {
 *         find: 'vue',
 *         // ② 确保 replacement 指向 Vue 构建后的路径
 *         replacement: args.dir + '/vue',
 *       }
 *     }
 *   },
 * })
 */
  1. 默认会将 vue 添加到 optimizeDeps.exclude
export default {
  optimizeDeps: {
    // 你可以通过 `optimizeDeps.include` 避开这种行为
    exclude: ['vue'],
  },
}