Function readMetadataFromJSBundle

scripts/read.js:165–184

* 从普通 JS bundle 的注释中读取 metadata

(buffer)

 * 从普通 JS bundle 的注释中读取 metadata
 */
function readMetadataFromJSBundle(buffer) {
  const content = buffer.toString('utf8');
  const metadata = {};

  // 查找 //# BUNDLE_METADATA {...} 注释
  const metaMatch = content.match(/\/\/# BUNDLE_METADATA\s+(\{[^}]+\})/);
  if (metaMatch) {
    try {
      const metaObj = JSON.parse(metaMatch[1]);
      metadata.contentHash = metaObj.contentHash;
      console.log(`✅ Found contentHash in JS bundle comment: ${metadata.contentHash.slice(0, 16)}...`);
    } catch (e) {
      console.error('Failed to parse BUNDLE_METADATA comment:', e);
    }
  } else {
    console.warn('⚠️  BUNDLE_METADATA comment not found in JS bundle');
  }

  return metadata;
}

// 测试读取
const metadata = readBundleMetadata('./index.bundlejs');