When the webpack project is in dev mode, all files are compiled with each change

  1. Project is an old project of gulp + webpack
  2. start the development server and change the code. After saving, all files will be compiled, and those with no changes will also be compiled, resulting in slow compilation, which takes three minutes each time

webpack version 2.7.0

configure

const webpackConfig = {
    devtool: devtool,
    entry: entry,
    output: {
        filename: "js/[name].js",
        path: path.join(process.cwd(), "dist", "assets"),
        publicPath: publicPath,
        chunkFilename: "js/ensure/[name]-[id]-[chunkhash].js",
        libraryTarget: "umd"
    },
    resolve: {
        modules: [
            "node_modules",
            path.join(rootDir, "src/")
        ],
        alias: moduleConfig.alias
    },
    module: {
        //
        loaders: [{ test: /\.css$/, use: "happypack/loader?id=styles" },
            { test: /\.less$/, loader: "style-loader!css-loader!less-loader" }, {
                test: /\.js$/,
                exclude: /(node_modules)/,
                use: "happypack/loader?id=js"
            },
            {
                test: /\.vue$/,
                loader: "happypack/loader?id=vue",
            },
            { test: /\.(html|tpl)$/, loader: "art-template-loader" }
        ]
    },
    plugins: [
        new HappyPack({
            id: "js",
            cache: true,
            threadPool: HappyThreadPool,
            loaders: [{
                loader: "babel-loader",
                options: {
                    presets: [
                        "stage-3"
                    ],
                    plugins: ["syntax-dynamic-import"]
                }
            }],               
        }),
        new HappyPack({
            id: "styles",
            cache: true,
            threadPool: HappyThreadPool,
            loaders: [{
                loader: "style-loader!css-loader" 
            }],               
        }), 
        new HappyPack({
            id: "tpl",
            cache: true,
            threadPool: HappyThreadPool,
            loaders: [{
                loader: "art-template-loader" 
            }],               
        }),                  
        new HappyPack({
            id: "vue",
            loaders: [
                {
                    loader: "vue-loader",
                    options: {
                        loaders: {
                            less: "vue-style-loader!css-loader!less-loader"
                        }
                    }           
                },             
            ]
        }),
        new webpack.ProvidePlugin(moduleConfig.global),
        new webpack.DefinePlugin({
            "baseEnv": JSON.stringify(envConfig.baseEnv),
        }),
        new webpack.LoaderOptionsPlugin({
            debug: true
        }),
        new HtmlWebpackPlugin({
            filename: path.join(rootDir, "dist/index.html"),
            template: path.join(rootDir, "src/modules/index.html"),
            publicPath: config.dev.publicPath,
            hash: true
        }),
        new webpack.optimize.OccurrenceOrderPlugin(),
        new webpack.NoEmitOnErrorsPlugin(),
        new webpack.HotModuleReplacementPlugin() //
    ],
};
Mar.22,2021

how many files are there in your entry?


how did the landlord solve it in the end? I'm in your situation, too.


remove the sentence libraryTarget: 'umd'


I have encountered the cancellation caused by the Es3ifyPlugin webpack plug-in

.
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b37dde-2c0e1.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b37dde-2c0e1.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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