index.js

const path = require("path");
const fs = require("fs-extra");
const dotenv = require("dotenv");

const appsDir = path.join(__dirname, "apps");
const packagesDir = path.join(__dirname, "packages");

const baseAppDir = path.join(packagesDir, "base-app");

// Excluded files
const filesToKeep = [
  ".next",
  ".env",
  ".env.dev",
  ".env.tst",
  ".env.prd",
  ".gitignore",
  "node_modules"
];
const filesToExclude = [
  ".next",
  ".env",
  ".env.dev",
  ".env.tst",
  ".env.prd",
  ".gitignore",
  "node_modules"
];

// Iterate over each app
fs.readdirSync(appsDir).forEach(appName => {
  const appPath = path.join(appsDir, appName);

  // Delete all files and folders within the app directory, except for the specified files to keep
  fs.readdirSync(appPath).forEach(file => {
    const filePath = path.join(appPath, file);

    if (!filesToKeep.includes(file)) {
      fs.removeSync(filePath);
    }
  });

  // Copy all files from the base app directory to the app directory, except for specified files to exclude
  fs.readdirSync(baseAppDir).forEach(file => {
    if (!filesToExclude.includes(file)) {
      const filePath = path.join(baseAppDir, file);
      fs.copySync(filePath, path.join(appPath, file));
    }
  });

  // Load the .env file for the current app
  const envFilePath = path.join(appPath, ".env");
  const envConfig = dotenv.parse(fs.readFileSync(envFilePath));

  // Update the "name" field in the app's package.json with the value from .env
  const packageFilePath = path.join(appPath, "package.json");
  const packageJson = fs.readJsonSync(packageFilePath);

  packageJson.name = envConfig.APP_NAME;

  fs.writeJsonSync(packageFilePath, packageJson, { spaces: 2 });
});