Function readProjectFileContent

lib/services/file-browser.ts:179–219

(
  projectId: string,
  filePath: string
)

const MAX_FILE_BYTES = 500_000; // 500KB safeguard

export async function readProjectFileContent(
  projectId: string,
  filePath: string
): Promise<{ path: string; content: string }> {
  const project = await getProjectById(projectId);
  if (!project) {
    throw new FileBrowserError('Project not found', 404);
  }

  const repoRoot = resolveRepoRoot(project);
  const normalizedPath = normalizeRelativePath(filePath);
  const absolutePath = await resolveSafePath(
    repoRoot,
    normalizedPath === '.' ? '.' : normalizedPath
  );

  let stats;
  try {
    stats = await fs.stat(absolutePath);
  } catch (error) {
    throw new FileBrowserError('File not found', 404);
  }

  if (!stats.isFile()) {
    throw new FileBrowserError('Not a file', 400);
  }

  if (stats.size > MAX_FILE_BYTES) {
    throw new FileBrowserError('File too large to display', 400);
  }

  try {
    const content = await fs.readFile(absolutePath, 'utf-8');
    return {
      path: normalizedPath.replace(/\\/g, '/'),
      content,
    };
  } catch (error) {
    throw new FileBrowserError('Failed to read file', 500);
  }
}

const MAX_WRITE_BYTES = 1_000_000; // 1MB safeguard