"use strict";
const path = require("path");
const defaultSettings = require("./src/settings.js");

function resolve(dir) {
  return path.join(__dirname, dir);
}

const name = defaultSettings.title || "综合评分系统"; // page title

const port = process.env.port || process.env.npm_config_port || 9528; // dev port

module.exports = {
  publicPath: "/",
  outputDir: "dist",
  assetsDir: "static",
  lintOnSave: process.env.NODE_ENV === "development",
  productionSourceMap: false,
  devServer: {
    port: port,
    open: true,
    overlay: {
      warnings: false,
      errors: true,
    },
    // proxy: { // 配置跨域
    //   '/apis': {
    //     target: 'http://myip.ipip.net/', // 搜狐的域名
    //     ws: true,
    //     changOrigin: true, // 允许跨域
    //     pathRewrite: {
    //       '^/apis': ''// 请求的时候使用这个api就可以
    //     }
    //   }
    // }
  },
  configureWebpack: {
    name: name,
    resolve: {
      alias: {
        "@": resolve("src"),
      },
    },
  },
  chainWebpack(config) {
    config.externals({ "./cptable": "var cptable", BMapGL: "BMapGL" });
    config.plugin("preload").tap(() => [
      {
        rel: "preload",
        fileBlacklist: [/\.map$/, /hot-update\.js$/, /runtime\..*\.js$/],
        include: "initial",
      },
    ]);

    config.plugins.delete("prefetch");

    // set svg-sprite-loader
    config.module.rule("svg").exclude.add(resolve("src/icons")).end();
    config.module
      .rule("icons")
      .test(/\.svg$/)
      .include.add(resolve("src/icons"))
      .end()
      .use("svg-sprite-loader")
      .loader("svg-sprite-loader")
      .options({
        symbolId: "icon-[name]",
      })
      .end();

    config.when(process.env.NODE_ENV !== "development", (config) => {
      config
        .plugin("ScriptExtHtmlWebpackPlugin")
        .after("html")
        .use("script-ext-html-webpack-plugin", [
          {
            // `runtime` must same as runtimeChunk name. default is `runtime`
            inline: /runtime\..*\.js$/,
          },
        ])
        .end();
      config.optimization.splitChunks({
        chunks: "all",
        cacheGroups: {
          libs: {
            name: "chunk-libs",
            test: /[\\/]node_modules[\\/]/,
            priority: 10,
            chunks: "initial", // only package third parties that are initially dependent
          },
          elementUI: {
            name: "chunk-elementUI", // split elementUI into a single package
            priority: 20, // the weight needs to be larger than libs and app or it will be packaged into libs or app
            test: /[\\/]node_modules[\\/]_?element-ui(.*)/, // in order to adapt to cnpm
          },
          commons: {
            name: "chunk-commons",
            test: resolve("src/components"), // can customize your rules
            minChunks: 3, //  minimum common number
            priority: 5,
            reuseExistingChunk: true,
          },
        },
      });
      // https:// webpack.js.org/configuration/optimization/#optimizationruntimechunk
      config.optimization.runtimeChunk("single");
    });
  },
};