Function readFile

src/lib/docker.ts:178–220

(sessionId: string, filePath: string)

 * Read a file from the container
 */
export async function readFile(sessionId: string, filePath: string): Promise<string> {
  const container = containerCache.get(sessionId);
  if (!container) {
    throw new Error(`No container found for session: ${sessionId}`);
  }

  try {
    const stream = await container.getArchive({ path: filePath });
    const extract = tar.extract();

    return new Promise<string>((resolve, reject) => {
      let content = '';

      extract.on('entry', (header, entryStream, next) => {
        const chunks: Buffer[] = [];

        entryStream.on('data', (chunk: Buffer) => {
          chunks.push(chunk);
        });

        entryStream.on('end', () => {
          content = Buffer.concat(chunks).toString('utf-8');
          next();
        });

        entryStream.resume();
      });

      extract.on('finish', () => {
        resolve(content);
      });

      extract.on('error', (err) => {
        reject(err);
      });

      stream.pipe(extract);
    });
  } catch (error) {
    logger.error('Failed to read file from container', { sessionId, filePath, error });
    throw new Error(`Failed to read file: ${error}`);
  }
}

/**
 * List directory contents in the container