webpack.config.js

const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const CleanWebpackPlugin = require('clean-webpack-plugin');
const postcssNormalize = require('postcss-normalize');

const cssRegex = /\.css$/;
const cssModuleRegex = /\.module\.css$/;
const lessRegex = /\.less$/;
const lessModuleRegex = /\.module\.less$/;

module.exports = {
    entry: {
        index: './src/index.js',
    },

    output: {
        path: path.resolve(__dirname, 'dist'),
        publicPath: '/paic/',
        filename: '[name].[contenthash:8].js',
        // chunkFilename: '[name].[contenthash:8].js'
    },

    module: {
        rules: [
            // {
            // enforce: 'pre',
            // test: /\.js$/,
            // include: [path.resolve(__dirname, 'src')],
            // use: {
            // loader: 'eslint-loader',
            // options: {
            // formatter: require("eslint/lib/formatters/stylish"),
            // }
            // }
            // },
            {
                test: /\.js$/,
                include: [
                    path.resolve(__dirname, 'src')
                ],
                use: {
                    loader: 'babel-loader',
                    options: {
                        compact: true,
                        presets: ['@babel/preset-env', '@babel/preset-react'],
                        plugins: ['@babel/plugin-syntax-dynamic-import']
                    }
                }
            },
            {
                test: cssRegex,
                include: [path.resolve(__dirname, 'src')],
                exclude: [cssModuleRegex],
                use: [
                    {
                        loader: MiniCssExtractPlugin.loader,
                        options: {
                            publicPath: '../',
                            hmr: process.env.NODE_ENV === 'development',
                        }
                    },
                    {
                        loader: "css-loader",
                    },
                    {
                        loader: 'postcss-loader',
                        options: {
                            ident: 'postcss',
                            plugins: () => [
                                require('postcss-flexbugs-fixes'),
                                require('postcss-preset-env')({
                                    autoprefixer: {
                                        flexbox: 'no-2009',
                                    },
                                    stage: 3,
                                }),
                                require('postcss-preset-env')(),
                                postcssNormalize(),
                            ],
                        }
                    }
                ]
            },
            {
                test: cssModuleRegex,
                include: [path.resolve(__dirname, 'src')],
                use: [
                    {
                        loader: MiniCssExtractPlugin.loader,
                        options: {
                            publicPath: '../',
                            hmr: process.env.NODE_ENV === 'development',
                        }
                    },
                    {
                        loader: "css-loader",
                        options: {
                            modules: true,
                            localIdentName: '[path][name]__[local]--[hash:base64:5]',
                        }
                    },
                    {
                        loader: 'postcss-loader',
                        options: {
                            ident: 'postcss',
                            plugins: () => [
                                require('postcss-flexbugs-fixes'),
                                require('postcss-preset-env')({
                                    autoprefixer: {
                                        flexbox: 'no-2009',
                                    },
                                    stage: 3,
                                }),
                                require('postcss-preset-env')(),
                                postcssNormalize(),
                            ],
                        }
                    }
                ]
            },
            {
                test: /\.less$/,
                include: [path.resolve(__dirname, 'src')],
                use: [{
                    loader: MiniCssExtractPlugin.loader,
                    options: {
                        publicPath: '../',
                        hmr: process.env.NODE_ENV === 'development',
                    }
                },
                    "css-loader",
                    "less-loader"
                ]
            },
            {
                test: /\.(png|jpg|gif|svg)$/,
                use: 'file-loader'
            }
        ],
    },

    resolve: {
        modules: [
            path.resolve(__dirname, 'node_modules'),
            'node_modules'
        ],
    },

    devServer: {
        publicPath: '/paic/',
    },

    optimization: {
        splitChunks: {
            cacheGroups: {
                vendor: {
                    chunks: "initial",
                    test: /react|reaact-dom|react-router-dom/,
                    name: "libs", // 使用 vendor 入口做爲公共部分
                    enforce: true,
                }
            }
        }
    },

    plugins: [
        new HtmlWebpackPlugin({
            favicon: 'public/favicon.ico',
            filename: 'index.html',
            template: 'public/index.html'
        }),
        new MiniCssExtractPlugin({
            filename: '[name].[hash:8].css',
            // chunkFilename: '[id].[contenthash:8].css',
        }),
        new CleanWebpackPlugin(),
    ]
}
複製代碼

{
  "name": "webpack-guide",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "start": "set NODE_ENV=dev && webpack-dev-server --mode development --config webpack.dev.js",
    "build": "webpack --mode production",
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "keywords": [],
  "author": "",
  "license": "ISC",
  "devDependencies": {
    "@babel/core": "^7.4.5",
    "@babel/plugin-syntax-dynamic-import": "^7.2.0",
    "@babel/preset-env": "^7.4.5",
    "@babel/preset-react": "^7.0.0",
    "babel-loader": "^8.0.6",
    "clean-webpack-plugin": "^2.0.2",
    "css-loader": "^2.1.1",
    "eslint": "^5.16.0",
    "eslint-loader": "^2.1.2",
    "extract-text-webpack-plugin": "^3.0.2",
    "file-loader": "^3.0.1",
    "html-webpack-plugin": "^3.2.0",
    "less": "^3.9.0",
    "less-loader": "^5.0.0",
    "mini-css-extract-plugin": "^0.7.0",
    "postcss-flexbugs-fixes": "^4.1.0",
    "postcss-loader": "^3.0.0",
    "postcss-normalize": "^7.0.1",
    "postcss-preset-env": "^6.6.0",
    "style-loader": "^0.23.1",
    "webpack": "^4.32.2",
    "webpack-cli": "^3.3.2",
    "webpack-dev-server": "^3.4.1"
  },
  "dependencies": {
    "@loadable/component": "^5.10.1",
    "antd": "^3.19.1",
    "lodash": "^4.17.11",
    "react": "^16.8.6",
    "react-dom": "^16.8.6",
    "react-router-dom": "^5.0.0"
  },
  "browserslist": [
    "> 1%",
    "last 2 versions",
    "not ie <= 10"
  ]
}

複製代碼