Function processHBCFile

scripts/hermesc-wrapper.js:45–97

(hbcFilePath)

});

function processHBCFile(hbcFilePath) {
  const hashFilePath = path.join(PROJECT_ROOT, 'bundle-hash.json');

  if (!fs.existsSync(hashFilePath)) {
    console.warn(`[Hermesc Wrapper] ⚠️  Hash file not found: ${hashFilePath}`);
    console.warn(`[Hermesc Wrapper] Skipping metadata injection.`);
    process.exit(0);
    return;
  }

  if (!fs.existsSync(hbcFilePath)) {
    console.warn(`[Hermesc Wrapper] ⚠️  HBC file not found: ${hbcFilePath}`);
    console.warn(`[Hermesc Wrapper] Skipping metadata injection.`);
    process.exit(0);
    return;
  }

  try {
    const hashData = JSON.parse(fs.readFileSync(hashFilePath, 'utf8'));
    const { contentHash } = hashData;

    console.log(`[Hermesc Wrapper] 📝 Injecting metadata into HBC...`);
    console.log(`[Hermesc Wrapper] Hash: ${contentHash.slice(0, 16)}...`);

    const hbcBuffer = fs.readFileSync(hbcFilePath);

    const metadata = { contentHash };
    const metadataJson = JSON.stringify(metadata);

    const MAGIC = Buffer.from('RNUPDATE', 'utf8');
    const jsonBuffer = Buffer.from(metadataJson, 'utf8');
    const lengthBuffer = Buffer.alloc(4);
    lengthBuffer.writeUInt32LE(jsonBuffer.length);

    const finalBuffer = Buffer.concat([
      hbcBuffer,
      MAGIC,
      jsonBuffer,
      lengthBuffer,
      MAGIC,
    ]);

    fs.writeFileSync(hbcFilePath, finalBuffer);

    console.log(`[Hermesc Wrapper] ✅ Successfully injected metadata into: ${hbcFilePath}`);
    console.log(`[Hermesc Wrapper] 🧹 Cleaning up hash file...`);

    process.exit(0);
  } catch (error) {
    console.error(`[Hermesc Wrapper] ❌ Failed to process HBC file:`, error);
    process.exit(1);
  }
}