webpack.config.js

const webpack = require("webpack");
const paths = require("./config/paths");
const path = require("path");
const ManifestPlugin = require("webpack-manifest-plugin");
const { CleanWebpackPlugin } = require("clean-webpack-plugin");
const HTMLWebpackPlugin = require("html-webpack-plugin");
const CopyWebpackPlugin = require("copy-webpack-plugin");
const { merge } = require("webpack-merge");
const loadPreset = require("./config/presets/loadPreset");
const { WebpackManifestPlugin } = require("webpack-manifest-plugin");
const loadConfig = (mode) => require(`./config/webpack.${mode}.js`)(mode);

module.exports = function (env) {
  const { mode = "production" } = env || {};
  return merge(
    {
      mode,
      entry: `${paths.srcPath}/index.js`,
      output: {
        path: paths.distPath,
        filename: "[name].bundle.js",
        publicPath: "/",
      },
      module: {
        rules: [
          {
            test: /\.m?js/,
            resolve: {
              fullySpecified: false,
            },
          },
          {
            test: /\.js$/,
            use: ["babel-loader"],
            exclude: path.resolve(__dirname, "node_modules"),
          },
          // Images: Copy image files to build folder
          { test: /\.(?:ico|gif|png|jpg|jpeg)$/i, type: "asset/resource" },

          // Fonts and SVGs: Inline files
          { test: /\.(woff(2)?|eot|ttf|otf|svg|)$/, type: "asset/inline" },

          // Load .txt files
          {
            test: /\.txt$/i,
            use: "raw-loader",
          },
        ],
      },
      resolve: {
        modules: [paths.srcPath, "node_modules"],
        extensions: [".js", ".jsx", ".json"],
        fallback: {
          crypto: require.resolve("crypto-browserify"),
          stream: require.resolve("stream-browserify"),
        },
        // Fix for using `yarn link "near-social-vm"`
        alias: {
          react: path.resolve(__dirname, "./node_modules/react"),
          "react-dom": path.resolve(__dirname, "./node_modules/react-dom"),
        },
      },
      plugins: [
        new webpack.EnvironmentPlugin({
          // Configure environment variables here.
          ENVIRONMENT: "browser",
        }),
        new CleanWebpackPlugin(),
        // Copies files from target to destination folder
        new CopyWebpackPlugin({
          patterns: [
            {
              from: paths.publicPath,
              to: "assets",
              globOptions: {
                ignore: ["*.DS_Store"],
              },
              noErrorOnMissing: true,
            },
          ],
        }),
        new HTMLWebpackPlugin({
          template: `${paths.publicPath}/index.html`,
          favicon: `${paths.publicPath}/favicon.png`,
          robots: `${paths.publicPath}/robots.txt`,
        }),
        new webpack.ProgressPlugin(),
        new webpack.ProvidePlugin({
          process: "process/browser",
          Buffer: [require.resolve("buffer/"), "Buffer"],
        }),
        new ManifestPlugin.WebpackManifestPlugin(),
      ],
    },
    loadConfig(mode),
    loadPreset(env)
  );
};