webpack4 配置改变

[jackieli123723]

webpack 配置改变

const HtmlWebPackPlugin = require("html-webpack-plugin");
const MiniCssExtractPlugin = require("mini-css-extract-plugin");

module.exports = {
  module: {
    rules: [
      {
        test: /\.js$/,
        exclude: /node_modules/,
        use: {
          loader: "babel-loader"
        }
      },
      {
        test: /\.html$/,
        use: [
          {
            loader: "html-loader",
            options: { minimize: true }
          }
        ]
      },
      {
        test: /\.css$/,
        use: [MiniCssExtractPlugin.loader, "css-loader"]
      }
    ]
  },
  plugins: [
    new HtmlWebPackPlugin({
      template: "./src/index.html",
      filename: "./index.html"
    }),
    new MiniCssExtractPlugin({
      filename: "[name].css",
      chunkFilename: "[id].css"
    })
  ]
};

## webpack4 
 use: [MiniCssExtractPlugin.loader, "css-loader"]

                {
                test: /\.scss$/,
                exclude: /(node_modules|bower_components)/,
                use: [
                  {
                    loader: 'style-loader', // 将 JS 字符串生成为 style 节点
                  },
                  {
                    loader: 'css-loader', // 将 CSS 转化成 CommonJS 模块
                  },
                  {
                    loader: 'sass-loader', // 将 Sass 编译成 CSS
                  },
                ],
              },

            {
                //test: que tipo de archivo quiero reconocer
                //use : que loader se va encargar del archivo
                test:/\.scss$/,
                //use: ['style-loader','css-loader'],
                use: [
                MiniCssExtractPlugin.loader,
                "css-loader","sass-loader"
                  //ExtractTextPlugin.extract({
                   // fallback:'style-loader',
                   // use:'css-loader'
                ]
            },

                {
                test: /\.scss$/,
                use: [
                    MiniCssExtractPlugin.loader,
                    // "style-loader", 
                    'css-loader',
                    {
                        loader: 'postcss-loader',
                        options: {
                            plugins: () => [require('autoprefixer')]
                        }
                    },
                    'sass-loader'
                ]
            }

            [MiniCssExtractPlugin.loader, "style-loader","css-loader","sass-loader"]