Backup all your .env files while keeping the directory structure of the source directory

backup-env.mjs

import process from "node:process";
import fsp from "node:fs/promises";
import path from "node:path";
import fg from "fast-glob";

async function copyEnvFiles(sourceDir, backupDir) {
  try {
    const envFiles = await fg(["**/.env"], {
      cwd: sourceDir,
      ignore: ["**/node_modules/**"],
    });

    for (const envFile of envFiles) {
      const sourcePath = path.join(sourceDir, envFile);
      const targetPath = path.join(backupDir, envFile);

      // Create the backup directory if it doesn't exist
      await fsp.mkdir(path.dirname(targetPath), { recursive: true });

      // Copy the .env file
      await fsp.copyFile(sourcePath, targetPath);
      console.log(`Copied ${envFile} to ${targetPath}`);
    }
  } catch (error) {
    console.error("Error during backup:", error.message);
  }
}

const sourceDirectory = process.argv[2];
const backupDirectory = process.argv[3];

if (!sourceDirectory || !backupDirectory) {
  console.error(
    "Usage: node backup-env-files.mjs <source-directory> <backup-directory>"
  );
  process.exit(1);
}

await copyEnvFiles(sourceDirectory, backupDirectory);
console.log("Backup completed successfully!");