preprocess.js

#!/usr/bin/env node
import fs from 'fs';
import path from 'path';
import { fileURLToPath } from 'url';

const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);

const srcDir = path.join(__dirname, 'src');

function processFiles(dir) {
  const files = fs.readdirSync(dir);

  files.forEach((file) => {
    const filepath = path.join(dir, file);
    const stat = fs.statSync(filepath);

    if (stat.isDirectory() && file !== 'node_modules') {
      processFiles(filepath);
    } else if (file.endsWith('.ts') && !file.endsWith('.spec.ts')) {
      let content = fs.readFileSync(filepath, 'utf-8');
      const original = content;

      // Strip .ts extensions ONLY for relative imports (starting with . or /)
      content = content.replace(/from\s+['"]([./][^'"]*).ts['"]/g, "from '$1'");

      if (content !== original) {
        fs.writeFileSync(filepath, content, 'utf-8');
      }
    }
  });
}

function restoreFiles(dir) {
  const files = fs.readdirSync(dir);

  files.forEach((file) => {
    const filepath = path.join(dir, file);
    const stat = fs.statSync(filepath);

    if (stat.isDirectory() && file !== 'node_modules') {
      restoreFiles(filepath);
    } else if (file.endsWith('.ts') && !file.endsWith('.spec.ts')) {
      let content = fs.readFileSync(filepath, 'utf-8');
      // Restore .ts extensions ONLY for relative imports (starting with . or /)
      content = content.replace(/from\s+['"]([./][^'"]*)['"]/g, "from '$1.ts'");
      fs.writeFileSync(filepath, content, 'utf-8');
    }
  });
}

if (process.argv[2] === 'restore') {
  restoreFiles(srcDir);
  console.log('✓ Restored .ts extensions');
} else {
  processFiles(srcDir);
  console.log('✓ Stripped .ts extensions temporarily');
}