Function isBlobText

src/codeScan/git/diffProcessor.ts:274–291

(repoPath: string, sha: string)

}

async function isBlobText(repoPath: string, sha: string): Promise<boolean> {
  try {
    const result = await execa('git', ['cat-file', 'blob', sha], {
      cwd: repoPath,
      encoding: 'buffer',
      maxBuffer: 4096,
    });

    // Convert Uint8Array to Buffer and check if text
    const buffer = Buffer.from(result.stdout);
    const textCheck = isText(null, buffer);

    // isText can return boolean | null, treat null as false
    return textCheck === true;
  } catch {
    return false;
  }
}

/**
 * Check file extension against known text and binary extension lists