const webpack = require("webpack");
const merge = require("webpack-merge");
const path = require("path");
const common = require("./webpack.common.js");
const HtmlWebpackPlugin = require("html-webpack-plugin");
const isWebpackDevServer = process.argv.some(
  (a) => path.basename(a) === "webpack-dev-server"
);
const isWatch = process.argv.some((a) => a === "--watch");

const plugins =
  isWebpackDevServer || !isWatch
    ? []
    : [
        function () {
          this.plugin("done", function (stats) {
            process.stderr.write(stats.toString("errors-only"));
          });
        },
      ];
module.exports = merge(common, {
  mode: "development",
  devtool: "eval-source-map",

  devServer: {
    contentBase: path.resolve(__dirname, "dist"),
    port: 4008,
    stats: "errors-only",
  },

  plugins: [
    new webpack.LoaderOptionsPlugin({
      debug: true,
    }),
    new HtmlWebpackPlugin({
      title: "Purescript Fan Page",
      template: "index.html",
    }),
  ].concat(plugins),
});