Cannot find module 'fs'

[0l1v3rr]

Hello,

I used this template to create a NestJS application and installed some additional dependencies. I needed to modify my webpack config to load .node files correctly. Currently, my webpack config looks like this:

const path = require("path");
const { IgnorePlugin } = require("webpack");
const { swcDefaultsFactory } = require("@nestjs/cli/lib/compiler/defaults/swc-defaults");
const TsconfigPathsPlugin = require("tsconfig-paths-webpack-plugin");

/** @type { import('webpack').Configuration } */
module.exports = {
  entry: "./src/server",
  externals: [
    function ({ request }, callback) {
      if (/\.node$/.test(request)) {
        return callback(null, `commonjs ${request}`);
      }
      return callback();
    },
  ],
  module: {
    rules: [
      {
        exclude: /node_modules/,
        test: /\.ts$/,
        use: {
          loader: "swc-loader",
          options: swcDefaultsFactory().swcOptions,
        },
      },
      {
        test: /\.node$/,
        use: "file-loader",
      },
    ],
  },
  node: {
    __dirname: false,
    __filename: false,
  },
  output: {
    filename: "server.js",
    path: path.resolve(__dirname, "dist/"),
  },
  plugins: [
    new IgnorePlugin({
      checkResource(resource) {
        const lazyImports = [
          "@fastify/static",
          "@fastify/view",
          "@nestjs/microservices",
          "@nestjs/microservices/microservices-module",
          "@nestjs/platform-express",
          "@nestjs/websockets/socket-module",
          "amqp-connection-manager",
          "amqplib",
          "cache-manager",
          "cache-manager/package.json",
          "class-transformer/storage",
          "hbs",
          "ioredis",
          "kafkajs",
          "mqtt",
          "nats",
        ];
        if (!lazyImports.includes(resource)) {
          return false;
        }
        try {
          require.resolve(resource, { paths: [process.cwd()] });
        } catch (err) {
          return true;
        }
        return false;
      },
    }),
  ],
  resolve: {
    extensions: [".js", ".json", ".ts"],
    mainFields: ["main"],
    plugins: [new TsconfigPathsPlugin({ configFile: "tsconfig.json" })],
  },
  target: "node",
};

With this config, I can build my NestJS application. However, when I try to run the compiled file (node ./dist/server.js) I get this error:

Error: Cannot find module 'fs'
    at webpackEmptyContext (...\apps\backend\dist\server.js:134951:10)

My nest-cli.json and tsconfig.json look the same, and I installed every necessary dependency.

Has anyone ever faced this issue, or have any idea on how to fix this?

Thanks.