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vite-plugin-conditional-compile

v1.4.5

Published

<h2 align='center'>vite-plugin-conditional-compile</h2>

Downloads

453

Readme

English | 简体中文 | 1.3.x旧版本

功能特性

  • 支持根据自定义的条件配置选择性地包含或排除代码块
  • 可以在开发环境和生产环境中使用不同的代码逻辑
  • 灵活的条件表达式,支持逻辑运算和环境变量
  • 可以在 Vite 构建过程中动态生成不同的输出文件

安装

yarn add vite-plugin-conditional-compile -D

使用

务必将该插件的加载顺序放在最前位,防止 jsx 之类的代码被其他插件编译,导致本插件无法解析

// vite.config.ts
import { defineConfig } from "vite";
import vitePluginConditionalCompile from "vite-plugin-conditional-compile";

export default defineConfig({
    plugins: [vitePluginConditionalCompile({
      // 插件配置项...
    }),
    // 其他插件...
  ],
});

配置项

该插件支持以下配置项:

  1. include: string | RegExp | readonly (string | RegExp)[] | null 需要进行条件编译的文件路径或文件匹配模式。

    默认值: ['**/*']

    示例:

       {
         include: [/^.+\/packages\/.+\/.+.(ts|tsx)$/],
       }
  2. exclude: string | RegExp | readonly (string | RegExp)[] | null 需要排除条件编译的文件路径或文件匹配模式。

    默认值: [/[\\/]node_modules[\\/]/, /[\\/]\.git[\\/]/]

    示例:

       {
          exclude: ['/\.eslintrc.js/']
       }
  3. env: Record<string, any> 自定义环境变量选项,用于在条件编译语句中使用自定义的环境变量。示例:

    {
      'MY_VARIABLE': 'my value',
      // 更多自定义环境变量...
    }

    同时,本插件会调用 vite 提供的 loadEnv 来获取项目的环境变量。

示例

// vite.config.ts
import { defineConfig } from "vite";
import vitePluginConditionalCompile from "vite-plugin-conditional-compile";

export default defineConfig({
    plugins: [vitePluginConditionalCompile({
      env:{
        //自定义环境变量, 提供给条件语句使用
        feature: 'code',
        prod_version: 'vite'
      }
    }),
  ],
});


// main.jsx
// #if [DEV]
import { featureA } from './featureA.js';

// 这里的 PROD 取至 项目的环境变量, 若当前为生产环境时将加载此条 import 语句
// #elif [PROD]
import { featureB } from './featureB.js';

//这里的 feature 和 prod_version 取至用户的 env 配置项, 判断 feature 的值是否与 ”code“ 相同、prod_version的值是否不等于 ”vite“. 当满足其中之一时, 该条件成立
// #elif [feature=code || !(prod_version=vite)]
import { featureC } from './featureC.js';

// #else
import { featureD } from './featureD.js';

// #endif

// #if [DEV]
console.log('Development environment');
// #endif

// #if [PROD]
console.log('Production environment');
// #endif

// #if [!!API_URL]
fetch(import.meta.env.API_URL)
  .then(response => response.json())
  .then(data => console.log(data));
// #endif

const Com = () => {
return (
    <div>
      {/* #if [PROD] */}
      <span>prod mode</span>
      {/* #elif [DEV] */}
      <span>dev mode</span>
      {/*#else */}
      <span>unknown mode</span>
      {/* #endif */}
    </div>
  );
}
<script setup lang="ts">
// #if [DEV]
import { featureA } from './featureA.js';
// #endif

</script>

<template>

  <!-- #if [DEV] -->
  <router-link to="/debug">
    <span class="m-2 text-green-500">demo</span>
  </router-link>

  <!-- #elif [PROD] -->
 <router-link to="/prod">
    <span class="m-2 text-green-500">demo</span>
  </router-link>

  <!-- #else -->
  <router-link to="/helloWorld">
    <span class="text-green-500">helloWorld</span>
  </router-link>
  <!-- #endif -->

  <router-view />
</template>

支持的条件语句

注: 条件需要使用 [] 进行包裹

  1. 等式: feature=codeprod_version=4.5.0 等式右侧支持字符以及数字类型。
  2. 不等式: prod_version != vite
  3. 逻辑语句: feature=code || !(prod_version=vite) 支持嵌套逻辑语句。
  4. 变量: DEV 判断 env['DEV'] 的值是否为 true。
  5. 取反符号: !PROD 判断 env['PROD'] 的值是否为 false,可以使用双重取反来模拟 #ifdef。

VS Code 插件

后续将会支持 VS Code插件来高亮条件以及语法校验等功能。