"use strict";
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const path = require("path");
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const utils = require("./utils");
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const webpack = require("webpack");
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const config = require("../config");
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const merge = require("webpack-merge");
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const baseWebpackConfig = require("./webpack.base.conf");
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const CopyWebpackPlugin = require("copy-webpack-plugin");
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const HtmlWebpackPlugin = require("html-webpack-plugin");
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const ScriptExtHtmlWebpackPlugin = require("script-ext-html-webpack-plugin");
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const MiniCssExtractPlugin = require("mini-css-extract-plugin");
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const OptimizeCSSAssetsPlugin = require("optimize-css-assets-webpack-plugin");
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const UglifyJsPlugin = require("uglifyjs-webpack-plugin");
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function resolve(dir) {
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return path.join(__dirname, "..", dir);
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}
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const env = require("../config/" + process.env.env_config + ".env");
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// For NamedChunksPlugin
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const seen = new Set();
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const nameLength = 4;
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const webpackConfig = merge(baseWebpackConfig, {
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mode: "production",
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module: {
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rules: utils.styleLoaders({
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sourceMap: config.build.productionSourceMap,
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extract: true,
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usePostCSS: true
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})
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},
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devtool: config.build.productionSourceMap ? config.build.devtool : false,
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output: {
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path: config.build.assetsRoot,
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filename: utils.assetsPath("js/[name].[chunkhash:8].js"),
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chunkFilename: utils.assetsPath("js/[name].[chunkhash:8].js")
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},
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plugins: [
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// http://vuejs.github.io/vue-loader/en/workflow/production.html
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new webpack.DefinePlugin({
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"process.env": env
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}),
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// extract css into its own file
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new MiniCssExtractPlugin({
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filename: utils.assetsPath("css/[name].[contenthash:8].css"),
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chunkFilename: utils.assetsPath("css/[name].[contenthash:8].css")
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}),
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// generate dist index.html with correct asset hash for caching.
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// you can customize output by editing /index.html
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// see https:// github.com/ampedandwired/html-webpack-plugin
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new HtmlWebpackPlugin({
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filename: config.build.index,
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template: "index.html",
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inject: true,
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excludeChunks: ["user"],
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// favicon: resolve("/static/favicon.ico"),
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title: "yrt-wms",
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templateParameters: {
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BASE_URL: config.build.assetsPublicPath + config.build.assetsSubDirectory
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},
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minify: {
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removeComments: true,
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collapseWhitespace: true,
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removeAttributeQuotes: true
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// more options:
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// https:// github.com/kangax/html-minifier#options-quick-reference
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}
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// default sort mode uses toposort which cannot handle cyclic deps
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// in certain cases, and in webpack 4, chunk order in HTML doesn't
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// matter anyway
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}),
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// new ScriptExtHtmlWebpackPlugin({
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// // `runtime` must same as runtimeChunk name. default is `runtime`
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// inline: /runtime\..*\.js$/
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// }),
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// keep chunk.id stable when chunk has no name
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new webpack.NamedChunksPlugin(chunk => {
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if (chunk.name) {
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return chunk.name;
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}
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const modules = Array.from(chunk.modulesIterable);
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if (modules.length > 1) {
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const hash = require("hash-sum");
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const joinedHash = hash(modules.map(m => m.id).join("_"));
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let len = nameLength;
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while (seen.has(joinedHash.substr(0, len))) len++;
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seen.add(joinedHash.substr(0, len));
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return `chunk-${joinedHash.substr(0, len)}`;
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} else {
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return modules[0].id;
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}
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}),
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// keep module.id stable when vender modules does not change
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new webpack.HashedModuleIdsPlugin(),
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// copy custom static assets
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new CopyWebpackPlugin([
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{
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from: path.resolve(__dirname, "../static"),
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to: config.build.assetsSubDirectory,
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ignore: [".*", "config.js"]
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}
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])
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].concat(utils.htmlPlugin()),
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optimization: {
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splitChunks: {
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chunks: "all",
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cacheGroups: {
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libs: {
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name: "chunk-libs",
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test: /[\\/]node_modules[\\/]/,
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priority: 10,
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chunks: "initial" // 只打包初始时依赖的第三方
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},
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elementUI: {
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name: "chunk-elementUI", // 单独将 elementUI 拆包
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priority: 20, // 权重要大于 libs 和 app 不然会被打包进 libs 或者 app
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test: /[\\/]node_modules[\\/]element-ui[\\/]/
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},
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commons: {
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name: "chunk-commons",
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test: resolve("src/components"), // 可自定义拓展你的规则
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minChunks: 3, // 最小公用次数
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priority: 5,
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reuseExistingChunk: true
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}
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}
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},
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runtimeChunk: "single",
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minimizer: [
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new UglifyJsPlugin({
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uglifyOptions: {
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mangle: {
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safari10: true
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}
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},
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sourceMap: config.build.productionSourceMap,
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cache: true,
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parallel: true
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}),
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// Compress extracted CSS. We are using this plugin so that possible
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// duplicated CSS from different components can be deduped.
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new OptimizeCSSAssetsPlugin()
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]
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}
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});
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if (config.build.productionGzip) {
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const CompressionWebpackPlugin = require("compression-webpack-plugin");
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webpackConfig.plugins.push(
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new CompressionWebpackPlugin({
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asset: "[path].gz[query]",
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algorithm: "gzip",
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test: new RegExp("\\.(" + config.build.productionGzipExtensions.join("|") + ")$"),
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pda_printPort: 10240,
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minRatio: 0.8
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})
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);
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}
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if (config.build.generateAnalyzerReport || config.build.bundleAnalyzerReport) {
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const BundleAnalyzerPlugin = require("webpack-bundle-analyzer").BundleAnalyzerPlugin;
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if (config.build.bundleAnalyzerReport) {
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webpackConfig.plugins.push(
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new BundleAnalyzerPlugin({
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analyzerPort: 8080,
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generateStatsFile: false
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})
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);
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}
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if (config.build.generateAnalyzerReport) {
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webpackConfig.plugins.push(
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new BundleAnalyzerPlugin({
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analyzerMode: "static",
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reportFilename: "bundle-report.html",
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openAnalyzer: false
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})
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);
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}
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}
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module.exports = webpackConfig;
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