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xenv-webpack-plugin

v0.0.5

Published

webpack plugin auto inject process.env.xxx and process and process.env

Downloads

8

Readme

xenv-webpack-plugin

借助 webpack.DefinePlugin 自动注入 config/[X_ENV].js

Usage

  • 第一步: 构建时配置 X_ENV 环境变量, 代表当前打包的环境: 测试环境、预发布环境、线上环境 ......
  • 第二步: 项目中新增文件: config/${X_ENV}.js, 该文件导出一个 javascript 对象
  • 第三步: webpack 配置中添加该插件配置

配置测试环境示例

  • 1、npm-script build:test 配置: cross-env X_ENV=test webpack
  • 2、新增配置文件 config/test.js, 内容参考下方:
  • 3、webpack 配置添加该插件
  • 4、运行打包: npm run build:test
// package.json 脚本命令配置:
{
  "scripts": {
    "build:test": "cross-env X_ENV=test webpack"
  }
}

// 新增 config/test.js 文件:
module.exports = {
  version: 3,
  baseUrl: 'https://xxx-test.yyy.cn',
  arr: ['value-1', 'value-2'],
  sso: {
    login: 'https://login-test.yyy.cn',
  },
};

// webpack.config.js 文件配置:
const EnvWebpackPlugin = require('xenv-webpack-plugin');
module.exports = {
  ...,
  plugins: [
    new EnvWebpackPlugin(),
  ],
};

// 在 src/index.js 中使用环境变量
console.log(process.env.version); // 数字类型: 3
console.log(process.env.baseUrl); // 字符串类型: https://xxx-test.yyy.cn
console.log(process.env.arr); // 数组类型: ['value-1', 'value-2']
console.log(process.env.sso.login); // 字符串类型: https://login-test.yyy.cn

console.log(process.env); // 对象类型: { X_ENV: 'test', version: 3, ... }
console.log(process.env.X_ENV); // 字符串类型: 'test' 【不需要在 config/test.js 中导出, 会自动注入】
console.log(process.env.sso); // 对象类型: { login: 'https://login-test.yyy.cn' }

配置项

构造参数 | 默认值 | 说明 | --- | --- | --- | --- | envKey | X_ENV | 使用的环境变量的名字。如果配置了该值, 则需要确保示例中第一步 cross-env X_ENV=test 中的 X_ENV 改为自定义的值 | defaultEnv | development | 如果环境变量 envKey 未设置, 使用的默认值 | dir | config | 配置文件存储的目录, 默认为 项目下的 config 文件夹 |

const EnvWebpackPlugin = require('xenv-webpack-plugin');
module.exports = {
  ...,
  plugins: [
    new EnvWebpackPlugin({
      envKey: 'X_ENV',
      defaultEnv: 'development',
      dir: 'config',
    }),
  ],
};