Function metadataSerializer

scripts/bundle-metadata-plugin.js:156–180

(entryPoint, preModules, graph, options)

}

function metadataSerializer(entryPoint, preModules, graph, options) {
  setupHermescWrapper();
  const baseJSBundle = require('metro/src/DeltaBundler/Serializers/baseJSBundle');
  const bundleToString = require('metro/src/lib/bundleToString');
  const bundle = baseJSBundle(entryPoint, preModules, graph, options);
  const { code: bundleCode } = bundleToString(bundle);
  const contentHash = calculateContentHash(bundleCode);
  const metadataInjection = generateMetadataInjection(contentHash);
  const metadataComment = generateMetadataComment(contentHash);
  const hashFilePath = path.join(PROJECT_ROOT, 'bundle-hash.json');

  try {
    const hashData = {
      contentHash,
      timestamp: new Date().toISOString(),
    };
    fs.writeFileSync(hashFilePath, JSON.stringify(hashData, null, 2));
    console.log(`✅ [Metro] Saved hash to: ${hashFilePath}`);
    console.log(`🔐 [Metro] Hash: ${contentHash.slice(0, 16)}...`);
  } catch (error) {
    console.error('❌ [Metro] Failed to save hash file:', error);
  }

  return bundleCode + metadataInjection + metadataComment;
}

module.exports = {
  metadataSerializer,