webpack.config.js

/* eslint-env node */
const webpack = require("webpack");
const path = require("path");
const child_process = require("child_process");
const HtmlWebpackPlugin = require("html-webpack-plugin");
const CleanWebpackPlugin = require("clean-webpack-plugin");
const ExtractTextPlugin = require("extract-text-webpack-plugin");
const FaviconsWebpackPlugin = require("favicons-webpack-plugin");
const CopyWebpackPlugin = require("copy-webpack-plugin");

const productionBuild =
  process.env.npm_lifecycle_script !== "webpack-dev-server";

module.exports = {
  entry: {
    turbo: "./js/index.js",
    map: "./js/map.js"
  },
  output: {
    path: path.resolve(__dirname, "build"),
    filename: "[name].[chunkhash].js",
    sourceMapFilename: "[name].[chunkhash].map"
  },
  resolve: {
    alias: {
      tinyqueue: "tinyqueue/tinyqueue.js"
    }
  },
  module: {
    rules: [
      {
        test: /\.html$/,
        use: "html-loader"
      },
      {
        test: /\.css$/,
        use: ExtractTextPlugin.extract({
          use: "css-loader",
          fallback: "style-loader"
        })
      },
      {
        test: /\.(png|jpg|gif|svg|eot|ttf|woff|woff2)$/,
        loader: "url-loader",
        options: {
          limit: 4000
        }
      },
      {
        test: path.resolve("./js/ffs/ffs.pegjs"),
        loader: "pegjs-loader",
        options: {
          optimize: "size"
        }
      },
      {
        test: path.resolve("./js/jsmapcss/eval.pegjs"),
        loader: "pegjs-loader",
        options: {
          optimize: "speed"
        }
      },
      {
        test: require.resolve("codemirror/lib/codemirror.js"),
        use: "exports-loader?window.CodeMirror"
      }
    ]
  },
  plugins: [
    new webpack.DefinePlugin({
      GIT_VERSION: JSON.stringify(
        child_process
          .execSync("git describe --always", {encoding: "utf-8"})
          .trim()
      )
    }),
    new CleanWebpackPlugin([path.resolve(__dirname, "build")]),
    new ExtractTextPlugin({
      filename: "[name].[contenthash].css"
    }),
    new FaviconsWebpackPlugin({
      logo: "./turbo.png",
      prefix: "turbo-[hash]-",
      icons: {
        android: false,
        appleIcon: false,
        appleStartup: false,
        coast: false,
        favicons: true,
        firefox: false,
        opengraph: false,
        twitter: false,
        yandex: false,
        windows: false
      }
    }),
    new CopyWebpackPlugin([
      {
        from: "./icons/**",
        to: path.resolve(__dirname, "build")
      }
    ]),
    new HtmlWebpackPlugin({
      template: "./index.html",
      chunks: ["turbo"],
      inject: "head"
    }),
    new HtmlWebpackPlugin({
      filename: "map.html",
      template: "./map.html",
      chunks: ["map"],
      inject: "head"
    }),
    new HtmlWebpackPlugin({
      filename: "land.html",
      template: "./land.html",
      chunks: [],
      inject: "head"
    })
  ],
  devtool: productionBuild ? undefined : "eval-source-map"
};