rem-webpack-plugin v1.0.6

  npm i --save-dev rem-webpack-plugin

  yarn add --dev rem-webpack-plugin

该插件依赖html-webpack-plugin。如未安装，请按照如下方式安装：

  npm i --save-dev html-webpack-plugin

  yarn add --dev html-webpack-plugin

webpack.config.js

const RemWebpackPlugin = require('rem-webpack-plugin')

module.exports = {
  entry: 'index.js',
  output: {
    path: __dirname + '/dist',
    filename: 'main.js'
  },
  plugins: [
    new RemWebpackPlugin()
  ]
}

// width options
module.exports = {
  entry: 'index.js',
  output: {
    path: __dirname + '/dist',
    filename: 'main.js'
  },
  plugins: [
    new RemWebpackPlugin({
        root: 50,
        rootWidth: 375,
        maxWidth: 600
    })
  ]
}