Webpack中的文件指纹的实现

'use strict';
 
const path = require('path');
 
module.exports = {
    entry: {
        index: './src/index.js',
        search: './src/search.js'
    },
    output: {
        path: path.join(__dirname, 'dist'),
        // 设置chunkhash，长度为8位
        filename: '[name]_[chunkhash:8].js'
    }
};

'use strict';
 
const path = require('path');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
 
module.exports = {
    
    entry: {
        index: './src/index.js',
        search: './src/search.js'
    },
 
    output: {
        path: path.join(__dirname, 'dist'),
        filename: '[name]_[chunkhash:8].js'
    },
 
    plugins: [
        new MiniCssExtractPlugin({
            // 设置CSS为contenthash，长度为8位
            filename: '[name]_[contenthash:8].css'
        })
    ]
};

'use strict';
 
const path = require('path');
// npm i mini-css-extract-plugin -D
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
 
module.exports = {
    entry: {
        index: './src/index.js',
        search: './src/search.js'
    },
    output: {
        path: path.join(__dirname, 'dist'),
        // 设置JS的文件指纹为chunkhash，长度为8位
        filename: '[name]_[chunkhash:8].js'
    },
    mode: 'production',
    module: {
        rules: [
            {
                test: /.js$/,
                use: 'babel-loader'
            },
            {
                test: /.css$/,
                use: [
                    // 去掉style-loader，将CSS单独提取一个文件
                    MiniCssExtractPlugin.loader,
                    'css-loader'
                ]
            },
            {
                test: /.less$/,
                use: [
                    // 去掉style-loader，将CSS单独提取一个文件
                    MiniCssExtractPlugin.loader,
                    'css-loader',
                    'less-loader'
                ]
            },
            {
                test: /.(png|jpg|gif|jpeg)$/,
                use: [
                    {
                        loader: 'file-loader',
                        options: {
                            // 设置的图片指纹为hash，长度为8位
                            name: '[name]_[hash:8].[ext]'
                        }
                    }
                ]
            },
            {
                test: /.(woff|woff2|eot|ttf|otf)$/,
                use: [
                    {
                        loader: 'file-loader',
                        options: {
                            // 设置字体的指纹为hash，长度为8位
                            name: '[name]_[hash:8][ext]'
                        }
                    }
                ]
            }
        ]
    },
    plugins: [
        // 将CSS提取出来一个文件
        new MiniCssExtractPlugin({
            filename: '[name]_[contenthash:8].css'
        })
    ]
};