Javascript 优化bundle.js文件大小

下面是网页配置代码，它的大小约为6.2MB。在生产模式下，加载登录页面url的时间看起来更长，从第二次开始看起来很好，第一次出现问题，需要建议减小bundle.js文件大小

webpack.base.js webpack.client.js： webpack.server.js：

---

下面是我如何优化网页包。您可以查看我的完整配置

首先，当您想在生产环境中构建时，需要运行webpack生产模式

webpack -p --mode=production

下面是小型配置

const path = require("path");
const webpack = require("webpack");
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const CompressionPlugin = require("compression-webpack-plugin");
const UglifyJsPlugin = require("uglifyjs-webpack-plugin");
const WebpackShellPlugin = require('webpack-shell-plugin');
const OptimizeCSSAssetsPlugin = require("optimize-css-assets-webpack-plugin");

module.exports = {
    optimization: {
        minimizer: [
            new UglifyJsPlugin({ // minify js file
                cache: true,
                parallel: true,
                sourceMap: false,
                extractComments: 'all',
                uglifyOptions: {
                    compress: true,
                    output: null
                }
            }),
            new OptimizeCSSAssetsPlugin({ // minify css
                cssProcessorOptions: {
                    safe: true,
                    discardComments: {
                        removeAll: true,
                    },
                },
            })
        ]
    },
    plugins: [
        new CompressionPlugin({ // gzip js and css 
            test: /\.(js|css)/
        }),
        new UglifyJsPlugin(), // uglify js
        new WebpackShellPlugin({
            onBuildStart: ['echo "Starting postcss command"'],
            onBuildEnd: ['postcss --dir wwwroot/dist wwwroot/dist/*.css'] // uglify css using postcss
        })
    ],
    module: {
        rules: [{
                test: /\.scss$/,
                use: [
                    'style-loader',
                    MiniCssExtractPlugin.loader,
                    {
                        loader: "css-loader",
                        options: {
                            minimize: true,
                            sourceMap: true
                        }
                    },
                    {
                        loader: "sass-loader"
                    }
                ]
            },
            {
                test: /\.(js|jsx)$/,
                exclude: /node_modules/,
                loader: ["babel-loader", "eslint-loader"]
            },
            {
                test: /\.(jpe?g|png|gif)$/i,
                loader: "file-loader"
            },
            {
                test: /\.(woff|ttf|otf|eot|woff2|svg)$/i,
                loader: "file-loader"
            }
        ]
    }
};

---

下面是我如何优化网页包。您可以查看我的完整配置

首先，当您想在生产环境中构建时，需要运行webpack生产模式

webpack -p --mode=production

下面是小型配置

const path = require("path");
const webpack = require("webpack");
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const CompressionPlugin = require("compression-webpack-plugin");
const UglifyJsPlugin = require("uglifyjs-webpack-plugin");
const WebpackShellPlugin = require('webpack-shell-plugin');
const OptimizeCSSAssetsPlugin = require("optimize-css-assets-webpack-plugin");

module.exports = {
    optimization: {
        minimizer: [
            new UglifyJsPlugin({ // minify js file
                cache: true,
                parallel: true,
                sourceMap: false,
                extractComments: 'all',
                uglifyOptions: {
                    compress: true,
                    output: null
                }
            }),
            new OptimizeCSSAssetsPlugin({ // minify css
                cssProcessorOptions: {
                    safe: true,
                    discardComments: {
                        removeAll: true,
                    },
                },
            })
        ]
    },
    plugins: [
        new CompressionPlugin({ // gzip js and css 
            test: /\.(js|css)/
        }),
        new UglifyJsPlugin(), // uglify js
        new WebpackShellPlugin({
            onBuildStart: ['echo "Starting postcss command"'],
            onBuildEnd: ['postcss --dir wwwroot/dist wwwroot/dist/*.css'] // uglify css using postcss
        })
    ],
    module: {
        rules: [{
                test: /\.scss$/,
                use: [
                    'style-loader',
                    MiniCssExtractPlugin.loader,
                    {
                        loader: "css-loader",
                        options: {
                            minimize: true,
                            sourceMap: true
                        }
                    },
                    {
                        loader: "sass-loader"
                    }
                ]
            },
            {
                test: /\.(js|jsx)$/,
                exclude: /node_modules/,
                loader: ["babel-loader", "eslint-loader"]
            },
            {
                test: /\.(jpe?g|png|gif)$/i,
                loader: "file-loader"
            },
            {
                test: /\.(woff|ttf|otf|eot|woff2|svg)$/i,
                loader: "file-loader"
            }
        ]
    }
};

const path = require("path");
const webpack = require("webpack");
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const CompressionPlugin = require("compression-webpack-plugin");
const UglifyJsPlugin = require("uglifyjs-webpack-plugin");
const WebpackShellPlugin = require('webpack-shell-plugin');
const OptimizeCSSAssetsPlugin = require("optimize-css-assets-webpack-plugin");

module.exports = {
    optimization: {
        minimizer: [
            new UglifyJsPlugin({ // minify js file
                cache: true,
                parallel: true,
                sourceMap: false,
                extractComments: 'all',
                uglifyOptions: {
                    compress: true,
                    output: null
                }
            }),
            new OptimizeCSSAssetsPlugin({ // minify css
                cssProcessorOptions: {
                    safe: true,
                    discardComments: {
                        removeAll: true,
                    },
                },
            })
        ]
    },
    plugins: [
        new CompressionPlugin({ // gzip js and css 
            test: /\.(js|css)/
        }),
        new UglifyJsPlugin(), // uglify js
        new WebpackShellPlugin({
            onBuildStart: ['echo "Starting postcss command"'],
            onBuildEnd: ['postcss --dir wwwroot/dist wwwroot/dist/*.css'] // uglify css using postcss
        })
    ],
    module: {
        rules: [{
                test: /\.scss$/,
                use: [
                    'style-loader',
                    MiniCssExtractPlugin.loader,
                    {
                        loader: "css-loader",
                        options: {
                            minimize: true,
                            sourceMap: true
                        }
                    },
                    {
                        loader: "sass-loader"
                    }
                ]
            },
            {
                test: /\.(js|jsx)$/,
                exclude: /node_modules/,
                loader: ["babel-loader", "eslint-loader"]
            },
            {
                test: /\.(jpe?g|png|gif)$/i,
                loader: "file-loader"
            },
            {
                test: /\.(woff|ttf|otf|eot|woff2|svg)$/i,
                loader: "file-loader"
            }
        ]
    }
};