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/main.js"],
  },
  resolve: {
    alias: {
      svelte: path.resolve("node_modules", "svelte"),
        '~': path.resolve(__dirname, 'src/'),
        '~C': path.resolve(__dirname, 'src/components/'),
    },
    extensions: [".mjs", ".js", ".svelte"],
    mainFields: ["svelte", "browser", "module", "main"],
  },
  output: {
    path: __dirname + "/public",
    filename: "[name].js",
    chunkFilename: "[name].[id].js",
  },
  module: {
    rules: [
      {
        test: /\.svelte$/,
        use: {
          loader: "svelte-loader",
          options: {
            emitCss: true,
            hotReload: true,
            dev: true,
          },
        },
      },
      {
        test: /\.css$/,
        use: [
          /**
           * MiniCssExtractPlugin doesn't support HMR.
           * For developing, use 'style-loader' instead.
           * */
          prod ? MiniCssExtractPlugin.loader : "style-loader",
            { loader: "css-loader",
                options: {url: false}
            }
        ],
      },
    {
        test: /\.svg$/,
        loader: 'file-loader'
    },
      {
        test: /\.s[ac]ss$/i,
        use: [
          // Creates `style` nodes from JS strings
          "style-loader",
          // Translates CSS into CommonJS
          "css-loader",
          // Compiles Sass to CSS
          {
            loader: "sass-loader",
            options: {
                 webpackImporter: false,
              //implementation: require("node-sass"),
              implementation: require("sass"),
              sassOptions: {
                indentWidth: 4,
                includePaths: ["sass", "node_modules"],
              },
            },
          },
        ],
      },
    ],
  },
  mode,
  plugins: [
    new MiniCssExtractPlugin({
      filename: "[name].css",
    }),
  ],
  devtool: prod ? false : "source-map",
};