const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const path = require("path");

const mode = process.env.NODE_ENV || "development";
const prod = mode === "production";

module.exports = {
  entry: {
    bundle: ["./src/ui/main.js"]
  },
  resolve: {
    alias: {
      svelte: path.resolve("node_modules", "svelte")
    },
    extensions: [".mjs", ".js", ".svelte", ".ts"],
    mainFields: ["svelte", "browser", "module", "main"]
  },
  output: {
    path: __dirname + "/public",
    filename: "[name].js",
    chunkFilename: "[name].[id].js"
  },
  module: {
    rules: [
      {
        test: /\.svelte$/,
        use: [
          {
            loader: "svelte-loader",
            options: {
              emitCss: true,
              hotReload: true
            }
          },
          { loader: "eslint-loader" }
        ]
      },
      {
        test: /\.css$/,
        use: [
          /**
           * MiniCssExtractPlugin doesn't support HMR.
           * For developing, use 'style-loader' instead.
           * */
          prod ? MiniCssExtractPlugin.loader : "style-loader",
          "css-loader"
        ]
      },
      {
        test: /\.tsx?$/,
        use: ["ts-loader", "eslint-loader"],
        exclude: /node_modules/
      }
    ]
  },
  mode,
  plugins: [
    new MiniCssExtractPlugin({
      filename: "[name].css"
    })
  ],
  devtool: prod ? false : "source-map",
  devServer: { port: 3000,
    proxy: {
      '/request': {
        target: 'http://localhost:5006'
      }
    }
  }
};