@firesystem/s3/dist/index.cjs.map

AWS S3 implementation of Virtual File System

{"version":3,"sources":["../src/index.ts","../src/S3FileSystem.ts"],"sourcesContent":["export { S3FileSystem } from \"./S3FileSystem\";\nexport type { S3FileSystemConfig } from \"./types\";","import type {\n  IFileSystem,\n  IReactiveFileSystem,\n  FileEntry,\n  FileStat,\n  FileMetadata,\n  FSEvent,\n  Disposable,\n  FileSystemEventPayloads,\n} from \"@firesystem/core\";\nimport {\n  normalizePath,\n  dirname,\n  basename,\n  join,\n  TypedEventEmitter,\n  FileSystemEvents,\n} from \"@firesystem/core\";\nimport {\n  S3Client,\n  PutObjectCommand,\n  GetObjectCommand,\n  DeleteObjectCommand,\n  ListObjectsV2Command,\n  HeadObjectCommand,\n  CopyObjectCommand,\n  DeleteObjectsCommand,\n  type _Object,\n} from \"@aws-sdk/client-s3\";\nimport type { S3FileSystemConfig } from \"./types\";\n\ninterface WatchListener {\n  id: string;\n  pattern: string;\n  callback: (event: FSEvent) => void;\n}\n\nexport class S3FileSystem implements IReactiveFileSystem {\n  private client: S3Client;\n  private config: S3FileSystemConfig & { prefix: string; mode: \"strict\" | \"lenient\" };\n  private watchers: WatchListener[] = [];\n  public readonly events = new TypedEventEmitter<FileSystemEventPayloads>();\n\n  constructor(config: S3FileSystemConfig) {\n    this.config = {\n      ...config,\n      prefix: config.prefix || \"/\",\n      mode: config.mode || \"strict\",\n    };\n\n    // Normalize prefix\n    if (this.config.prefix !== \"/\") {\n      this.config.prefix = normalizePath(this.config.prefix);\n      if (!this.config.prefix.endsWith(\"/\")) {\n        this.config.prefix += \"/\";\n      }\n      // Remove leading slash for S3\n      this.config.prefix = this.config.prefix.substring(1);\n    }\n\n    this.client = new S3Client({\n      region: config.region,\n      credentials: config.credentials,\n      ...config.clientOptions,\n    });\n  }\n\n  async initialize(): Promise<void> {\n    const startTime = Date.now();\n    this.events.emit(FileSystemEvents.INITIALIZING, undefined as any);\n\n    try {\n      // Only create root directory marker in strict mode\n      if (this.config.mode === \"strict\" && \n          this.config.prefix !== \"/\" && \n          this.config.prefix !== \"\") {\n        await this.ensureDirectoryMarker(this.config.prefix);\n      }\n\n      this.events.emit(FileSystemEvents.INITIALIZED, {\n        duration: Date.now() - startTime,\n      });\n    } catch (error) {\n      this.events.emit(FileSystemEvents.OPERATION_ERROR, {\n        operation: \"initialize\",\n        path: \"/\",\n        error: error as Error,\n      });\n      throw error;\n    }\n  }\n\n  private toS3Key(path: string): string {\n    const normalized = normalizePath(path);\n    if (normalized === \"/\") {\n      return this.config.prefix === \"/\" ? \"\" : this.config.prefix;\n    }\n    \n    const withoutLeadingSlash = normalized.substring(1);\n    if (this.config.prefix === \"/\" || this.config.prefix === \"\") {\n      return withoutLeadingSlash;\n    }\n    \n    return this.config.prefix + withoutLeadingSlash;\n  }\n\n  private fromS3Key(key: string): string {\n    if (this.config.prefix === \"/\" || this.config.prefix === \"\") {\n      return \"/\" + key;\n    }\n    \n    if (key.startsWith(this.config.prefix)) {\n      const withoutPrefix = key.substring(this.config.prefix.length);\n      return \"/\" + withoutPrefix;\n    }\n    \n    return \"/\" + key;\n  }\n\n  private async streamToString(stream: any): Promise<string> {\n    const chunks: any[] = [];\n    for await (const chunk of stream) {\n      chunks.push(chunk);\n    }\n    return Buffer.concat(chunks).toString(\"utf-8\");\n  }\n\n  private async ensureDirectoryMarker(s3Key: string): Promise<void> {\n    const key = s3Key.endsWith(\"/\") ? s3Key : s3Key + \"/\";\n    \n    try {\n      await this.client.send(new PutObjectCommand({\n        Bucket: this.config.bucket,\n        Key: key,\n        Body: \"\",\n        ContentType: \"application/x-directory\",\n        Metadata: {\n          \"x-amz-meta-type\": \"directory\",\n          \"x-amz-meta-created\": new Date().toISOString(),\n        },\n      }));\n    } catch (error) {\n      throw new Error(`Failed to create directory marker: ${error}`);\n    }\n  }\n\n  private async ensureParentExists(path: string): Promise<void> {\n    // Only ensure parent exists in strict mode\n    if (this.config.mode !== \"strict\") return;\n    \n    const parent = dirname(path);\n    if (parent === \"/\" || parent === \".\") return;\n\n    const s3Key = this.toS3Key(parent);\n    await this.ensureDirectoryMarker(s3Key);\n  }\n\n  private parseS3Metadata(metadata?: Record<string, string>): {\n    created?: Date;\n    modified?: Date;\n    fileMetadata?: FileMetadata;\n    type?: \"file\" | \"directory\";\n  } {\n    const result: any = {};\n    \n    if (metadata) {\n      if (metadata[\"x-amz-meta-created\"]) {\n        result.created = new Date(metadata[\"x-amz-meta-created\"]);\n      }\n      if (metadata[\"x-amz-meta-modified\"]) {\n        result.modified = new Date(metadata[\"x-amz-meta-modified\"]);\n      }\n      if (metadata[\"x-amz-meta-type\"]) {\n        result.type = metadata[\"x-amz-meta-type\"] as \"file\" | \"directory\";\n      }\n      if (metadata[\"x-amz-meta-custom\"]) {\n        try {\n          result.fileMetadata = JSON.parse(metadata[\"x-amz-meta-custom\"]);\n        } catch {\n          // Ignore parse errors\n        }\n      }\n    }\n    \n    return result;\n  }\n\n  private createS3Metadata(\n    type: \"file\" | \"directory\",\n    metadata?: FileMetadata,\n    created?: Date,\n  ): Record<string, string> {\n    const now = new Date();\n    const s3Metadata: Record<string, string> = {\n      \"x-amz-meta-type\": type,\n      \"x-amz-meta-created\": (created || now).toISOString(),\n      \"x-amz-meta-modified\": now.toISOString(),\n    };\n\n    if (metadata) {\n      s3Metadata[\"x-amz-meta-custom\"] = JSON.stringify(metadata);\n    }\n\n    return s3Metadata;\n  }\n\n  async readFile(path: string): Promise<FileEntry> {\n    const normalized = normalizePath(path);\n    const startTime = Date.now();\n    const operationId = `read-${normalized}-${startTime}`;\n\n    this.events.emit(FileSystemEvents.OPERATION_START, {\n      operation: \"readFile\",\n      path: normalized,\n      id: operationId,\n    });\n\n    try {\n      const s3Key = this.toS3Key(normalized);\n      \n      // First check if it's a directory\n      const dirKey = s3Key.endsWith(\"/\") ? s3Key : s3Key + \"/\";\n      try {\n        const dirCheck = await this.client.send(new HeadObjectCommand({\n          Bucket: this.config.bucket,\n          Key: dirKey,\n        }));\n        if (dirCheck) {\n          throw new Error(`EISDIR: illegal operation on a directory, read '${normalized}'`);\n        }\n      } catch (error: any) {\n        if (error.name !== \"NoSuchKey\" && !error.message?.includes(\"EISDIR\")) {\n          throw error;\n        }\n      }\n      \n      const response = await this.client.send(new GetObjectCommand({\n        Bucket: this.config.bucket,\n        Key: s3Key,\n      }));\n\n      if (!response.Body) {\n        throw new Error(`File not found: ${normalized}`);\n      }\n\n      const parsedMetadata = this.parseS3Metadata(response.Metadata);\n\n      // In lenient mode, infer type from key\n      let type = parsedMetadata.type;\n      if (!type && this.config.mode === \"lenient\") {\n        type = s3Key.endsWith(\"/\") ? \"directory\" : \"file\";\n      }\n\n      // Check if trying to read a directory\n      if (type === \"directory\" || s3Key.endsWith(\"/\")) {\n        throw new Error(`EISDIR: illegal operation on a directory, read '${normalized}'`);\n      }\n\n      // Read content based on metadata\n      let content: any;\n      if (parsedMetadata.fileMetadata?.isBinary) {\n        // Decode from base64 and return as ArrayBuffer\n        const base64Content = await this.streamToString(response.Body);\n        const buffer = Buffer.from(base64Content, 'base64');\n        content = buffer.buffer.slice(buffer.byteOffset, buffer.byteOffset + buffer.byteLength);\n      } else {\n        content = await this.streamToString(response.Body);\n      }\n\n      const result: FileEntry = {\n        path: normalized,\n        name: basename(normalized),\n        type: type || \"file\",\n        size: response.ContentLength || 0,\n        created: parsedMetadata.created || new Date(response.LastModified || Date.now()),\n        modified: parsedMetadata.modified || new Date(response.LastModified || Date.now()),\n        metadata: parsedMetadata.fileMetadata,\n        content: content,\n      };\n\n      this.events.emit(FileSystemEvents.FILE_READ, {\n        path: normalized,\n        size: result.size || 0,\n      });\n      this.events.emit(FileSystemEvents.OPERATION_END, {\n        operation: \"readFile\",\n        path: normalized,\n        id: operationId,\n        duration: Date.now() - startTime,\n      });\n\n      return result;\n    } catch (error: any) {\n      if (error.name === \"NoSuchKey\") {\n        const notFoundError = new Error(`ENOENT: no such file or directory, open '${normalized}'`);\n        this.events.emit(FileSystemEvents.OPERATION_ERROR, {\n          operation: \"readFile\",\n          path: normalized,\n          error: notFoundError,\n        });\n        throw notFoundError;\n      }\n      \n      this.events.emit(FileSystemEvents.OPERATION_ERROR, {\n        operation: \"readFile\",\n        path: normalized,\n        error: error as Error,\n      });\n      throw error;\n    }\n  }\n\n  async writeFile(\n    path: string,\n    content: any,\n    metadata?: FileMetadata,\n  ): Promise<FileEntry> {\n    const normalized = normalizePath(path);\n    const startTime = Date.now();\n    const operationId = `write-${normalized}-${startTime}`;\n    let contentStr: string;\n    let isBinary = false;\n    let originalSize: number;\n    \n    if (content === null || content === undefined) {\n      contentStr = \"\";\n      originalSize = 0;\n    } else if (typeof content === \"string\") {\n      contentStr = content;\n      originalSize = Buffer.byteLength(contentStr);\n    } else if (content instanceof ArrayBuffer) {\n      contentStr = Buffer.from(content).toString('base64');\n      isBinary = true;\n      originalSize = content.byteLength; // Use original ArrayBuffer size\n    } else {\n      contentStr = JSON.stringify(content);\n      originalSize = Buffer.byteLength(contentStr);\n    }\n    \n    const size = originalSize;\n\n    this.events.emit(FileSystemEvents.OPERATION_START, {\n      operation: \"writeFile\",\n      path: normalized,\n      id: operationId,\n    });\n    this.events.emit(FileSystemEvents.FILE_WRITING, { path: normalized, size });\n\n    try {\n      // In strict mode, check if parent exists\n      if (this.config.mode === \"strict\") {\n        const parent = dirname(normalized);\n        if (parent !== \"/\" && parent !== \".\") {\n          const parentExists = await this.exists(parent);\n          if (!parentExists) {\n            throw new Error(`ENOENT: no such file or directory, open '${normalized}'`);\n          }\n        }\n      }\n      \n      await this.ensureParentExists(normalized);\n\n      const s3Key = this.toS3Key(normalized);\n      \n      // Check if file already exists to preserve created date\n      let existingCreated: Date | undefined;\n      try {\n        const existing = await this.client.send(new HeadObjectCommand({\n          Bucket: this.config.bucket,\n          Key: s3Key,\n        }));\n        if (existing.Metadata?.[\"x-amz-meta-created\"]) {\n          existingCreated = new Date(existing.Metadata[\"x-amz-meta-created\"]);\n        }\n      } catch {\n        // File doesn't exist, which is fine\n      }\n      \n      const finalMetadata = isBinary ? { ...metadata, isBinary: true } : metadata;\n      const s3Metadata = this.createS3Metadata(\"file\", finalMetadata, existingCreated);\n\n      await this.client.send(new PutObjectCommand({\n        Bucket: this.config.bucket,\n        Key: s3Key,\n        Body: contentStr,\n        ContentType: \"text/plain\",\n        Metadata: s3Metadata,\n      }));\n\n      const now = new Date();\n      const result: FileEntry = {\n        path: normalized,\n        name: basename(normalized),\n        type: \"file\",\n        size,\n        created: existingCreated || new Date(s3Metadata[\"x-amz-meta-created\"]),\n        modified: now,\n        metadata: finalMetadata,\n        content,\n      };\n\n      // Notify watchers\n      this.notifyWatchers({\n        type: existingCreated ? \"updated\" : \"created\",\n        path: normalized,\n        timestamp: now,\n      });\n\n      this.events.emit(FileSystemEvents.FILE_WRITTEN, {\n        path: normalized,\n        size,\n      });\n      this.events.emit(FileSystemEvents.OPERATION_END, {\n        operation: \"writeFile\",\n        path: normalized,\n        id: operationId,\n        duration: Date.now() - startTime,\n      });\n\n      return result;\n    } catch (error) {\n      this.events.emit(FileSystemEvents.OPERATION_ERROR, {\n        operation: \"writeFile\",\n        path: normalized,\n        error: error as Error,\n      });\n      throw error;\n    }\n  }\n\n  async deleteFile(path: string): Promise<void> {\n    const normalized = normalizePath(path);\n    const startTime = Date.now();\n    const operationId = `delete-${normalized}-${startTime}`;\n\n    this.events.emit(FileSystemEvents.OPERATION_START, {\n      operation: \"deleteFile\",\n      path: normalized,\n      id: operationId,\n    });\n    this.events.emit(FileSystemEvents.FILE_DELETING, { path: normalized });\n\n    try {\n      // Check if file exists first\n      const exists = await this.exists(normalized);\n      if (!exists) {\n        throw new Error(`ENOENT: no such file or directory, unlink '${normalized}'`);\n      }\n      \n      const s3Key = this.toS3Key(normalized);\n      \n      // Check if it's a directory with contents\n      if (await this.isDirectory(normalized)) {\n        const entries = await this.readDir(normalized);\n        if (entries.length > 0) {\n          throw new Error(`ENOTEMPTY: directory not empty, rmdir '${normalized}'`);\n        }\n      }\n      \n      await this.client.send(new DeleteObjectCommand({\n        Bucket: this.config.bucket,\n        Key: s3Key,\n      }));\n\n      // Notify watchers\n      this.notifyWatchers({\n        type: \"deleted\",\n        path: normalized,\n        timestamp: new Date(),\n      });\n\n      this.events.emit(FileSystemEvents.FILE_DELETED, { path: normalized });\n      this.events.emit(FileSystemEvents.OPERATION_END, {\n        operation: \"deleteFile\",\n        path: normalized,\n        id: operationId,\n        duration: Date.now() - startTime,\n      });\n    } catch (error) {\n      this.events.emit(FileSystemEvents.OPERATION_ERROR, {\n        operation: \"deleteFile\",\n        path: normalized,\n        error: error as Error,\n      });\n      throw error;\n    }\n  }\n\n  async exists(path: string): Promise<boolean> {\n    const normalized = normalizePath(path);\n    \n    try {\n      const s3Key = this.toS3Key(normalized);\n      \n      // Check as file first\n      try {\n        await this.client.send(new HeadObjectCommand({\n          Bucket: this.config.bucket,\n          Key: s3Key,\n        }));\n        return true;\n      } catch {\n        // In lenient mode, also check if it's a prefix with contents\n        if (this.config.mode === \"lenient\") {\n          const prefix = s3Key.endsWith(\"/\") ? s3Key : s3Key + \"/\";\n          const response = await this.client.send(new ListObjectsV2Command({\n            Bucket: this.config.bucket,\n            Prefix: prefix,\n            MaxKeys: 1,\n          }));\n          return (response.Contents?.length || 0) > 0;\n        }\n        \n        // In strict mode, check for directory marker\n        const dirKey = s3Key.endsWith(\"/\") ? s3Key : s3Key + \"/\";\n        try {\n          await this.client.send(new HeadObjectCommand({\n            Bucket: this.config.bucket,\n            Key: dirKey,\n          }));\n          return true;\n        } catch {\n          return false;\n        }\n      }\n    } catch {\n      return false;\n    }\n  }\n\n  async readDir(path: string): Promise<FileEntry[]> {\n    const normalized = normalizePath(path);\n    const startTime = Date.now();\n    const operationId = `readdir-${normalized}-${startTime}`;\n\n    this.events.emit(FileSystemEvents.OPERATION_START, {\n      operation: \"readDir\",\n      path: normalized,\n      id: operationId,\n    });\n\n    try {\n      // Check if directory exists first (except root)\n      if (normalized !== \"/\") {\n        const exists = await this.exists(normalized);\n        if (!exists) {\n          throw new Error(`ENOENT: no such file or directory, scandir '${normalized}'`);\n        }\n      }\n      \n      const s3Prefix = this.toS3Key(normalized);\n      const prefix = s3Prefix === \"\" ? \"\" : (s3Prefix.endsWith(\"/\") ? s3Prefix : s3Prefix + \"/\");\n      \n      const entries: FileEntry[] = [];\n      const seenPaths = new Set<string>();\n      let continuationToken: string | undefined;\n\n      do {\n        const response = await this.client.send(new ListObjectsV2Command({\n          Bucket: this.config.bucket,\n          Prefix: prefix,\n          Delimiter: \"/\",\n          ContinuationToken: continuationToken,\n        }));\n\n        // Add directories (CommonPrefixes)\n        if (response.CommonPrefixes) {\n          for (const commonPrefix of response.CommonPrefixes) {\n            if (commonPrefix.Prefix) {\n              const path = this.fromS3Key(commonPrefix.Prefix);\n              if (!seenPaths.has(path)) {\n                seenPaths.add(path);\n                entries.push({\n                  path,\n                  name: basename(path.endsWith(\"/\") ? path.slice(0, -1) : path),\n                  type: \"directory\",\n                  size: 0,\n                  created: new Date(),\n                  modified: new Date(),\n                });\n              }\n            }\n          }\n        }\n\n        // Add files (Contents)\n        if (response.Contents) {\n          for (const object of response.Contents) {\n            if (object.Key) {\n              // Skip directory markers\n              if (object.Key.endsWith(\"/\")) continue;\n              \n              // Skip objects not directly in this directory\n              const relativePath = object.Key.substring(prefix.length);\n              if (relativePath.includes(\"/\")) continue;\n\n              const path = this.fromS3Key(object.Key);\n              if (!seenPaths.has(path)) {\n                seenPaths.add(path);\n                entries.push({\n                  path,\n                  name: basename(path),\n                  type: \"file\",\n                  size: object.Size || 0,\n                  created: object.LastModified || new Date(),\n                  modified: object.LastModified || new Date(),\n                });\n              }\n            }\n          }\n        }\n\n        continuationToken = response.NextContinuationToken;\n      } while (continuationToken);\n\n      this.events.emit(FileSystemEvents.DIR_READ, {\n        path: normalized,\n        count: entries.length,\n      });\n      this.events.emit(FileSystemEvents.OPERATION_END, {\n        operation: \"readDir\",\n        path: normalized,\n        id: operationId,\n        duration: Date.now() - startTime,\n      });\n\n      return entries;\n    } catch (error) {\n      this.events.emit(FileSystemEvents.OPERATION_ERROR, {\n        operation: \"readDir\",\n        path: normalized,\n        error: error as Error,\n      });\n      throw error;\n    }\n  }\n\n  async mkdir(path: string, recursive?: boolean): Promise<FileEntry> {\n    const normalized = normalizePath(path);\n    const startTime = Date.now();\n    const operationId = `mkdir-${normalized}-${startTime}`;\n\n    this.events.emit(FileSystemEvents.OPERATION_START, {\n      operation: \"mkdir\",\n      path: normalized,\n      id: operationId,\n    });\n    this.events.emit(FileSystemEvents.DIR_CREATING, { path: normalized, recursive: !!recursive });\n\n    try {\n      // Check if trying to create root\n      if (normalized === \"/\") {\n        throw new Error(`EEXIST: file already exists, mkdir '${normalized}'`);\n      }\n      \n      // Check if directory already exists\n      if (await this.exists(normalized)) {\n        throw new Error(`EEXIST: file already exists, mkdir '${normalized}'`);\n      }\n      \n      // In lenient mode, directories are virtual - just return success\n      if (this.config.mode === \"lenient\") {\n        const now = new Date();\n        const result: FileEntry = {\n          path: normalized,\n          name: basename(normalized),\n          type: \"directory\",\n          size: 0,\n          created: now,\n          modified: now,\n        };\n\n        this.notifyWatchers({\n          type: \"created\",\n          path: normalized,\n          timestamp: now,\n        });\n\n        this.events.emit(FileSystemEvents.DIR_CREATED, { path: normalized });\n        this.events.emit(FileSystemEvents.OPERATION_END, {\n          operation: \"mkdir\",\n          path: normalized,\n          id: operationId,\n          duration: Date.now() - startTime,\n        });\n\n        return result;\n      }\n\n      // Strict mode - create directory markers\n      if (recursive) {\n        // Create all parent directories\n        const parts = normalized.split(\"/\").filter(Boolean);\n        let currentPath = \"\";\n        \n        for (const part of parts) {\n          currentPath += \"/\" + part;\n          const s3Key = this.toS3Key(currentPath);\n          await this.ensureDirectoryMarker(s3Key);\n        }\n      } else {\n        // Check if parent exists\n        const parent = dirname(normalized);\n        if (parent !== \"/\" && parent !== \".\") {\n          const parentExists = await this.exists(parent);\n          if (!parentExists) {\n            throw new Error(`ENOENT: no such file or directory, mkdir '${normalized}'`);\n          }\n        }\n        \n        // Ensure parent exists\n        await this.ensureParentExists(normalized);\n        \n        // Create directory marker\n        const s3Key = this.toS3Key(normalized);\n        await this.ensureDirectoryMarker(s3Key);\n      }\n\n      const now = new Date();\n      const result: FileEntry = {\n        path: normalized,\n        name: basename(normalized),\n        type: \"directory\",\n        size: 0,\n        created: now,\n        modified: now,\n      };\n\n      // Notify watchers\n      this.notifyWatchers({\n        type: \"created\",\n        path: normalized,\n        timestamp: now,\n      });\n\n      this.events.emit(FileSystemEvents.DIR_CREATED, { path: normalized });\n      this.events.emit(FileSystemEvents.OPERATION_END, {\n        operation: \"mkdir\",\n        path: normalized,\n        id: operationId,\n        duration: Date.now() - startTime,\n      });\n\n      return result;\n    } catch (error) {\n      this.events.emit(FileSystemEvents.OPERATION_ERROR, {\n        operation: \"mkdir\",\n        path: normalized,\n        error: error as Error,\n      });\n      throw error;\n    }\n  }\n\n  async rmdir(path: string, recursive?: boolean): Promise<void> {\n    const normalized = normalizePath(path);\n    const startTime = Date.now();\n    const operationId = `rmdir-${normalized}-${startTime}`;\n\n    this.events.emit(FileSystemEvents.OPERATION_START, {\n      operation: \"rmdir\",\n      path: normalized,\n      id: operationId,\n    });\n    this.events.emit(FileSystemEvents.DIR_DELETING, { path: normalized, recursive: !!recursive });\n\n    try {\n      // Check if trying to remove root\n      if (normalized === \"/\") {\n        throw new Error(`EBUSY: resource busy or locked, rmdir '${normalized}'`);\n      }\n      \n      // Check if directory exists\n      const exists = await this.exists(normalized);\n      if (!exists) {\n        throw new Error(`ENOENT: no such file or directory, rmdir '${normalized}'`);\n      }\n      \n      // Check if it's actually a file\n      if (!await this.isDirectory(normalized)) {\n        throw new Error(`ENOTDIR: not a directory, rmdir '${normalized}'`);\n      }\n      \n      const s3Prefix = this.toS3Key(normalized);\n      const prefix = s3Prefix.endsWith(\"/\") ? s3Prefix : s3Prefix + \"/\";\n\n      if (recursive) {\n        // Delete all objects with this prefix\n        const objectsToDelete: { Key: string }[] = [];\n        let continuationToken: string | undefined;\n\n        do {\n          const response = await this.client.send(new ListObjectsV2Command({\n            Bucket: this.config.bucket,\n            Prefix: prefix,\n            ContinuationToken: continuationToken,\n          }));\n\n          if (response.Contents) {\n            for (const object of response.Contents) {\n              if (object.Key) {\n                objectsToDelete.push({ Key: object.Key });\n              }\n            }\n          }\n\n          continuationToken = response.NextContinuationToken;\n        } while (continuationToken);\n\n        // Delete in batches (S3 allows max 1000 per request)\n        const batchSize = 1000;\n        for (let i = 0; i < objectsToDelete.length; i += batchSize) {\n          const batch = objectsToDelete.slice(i, i + batchSize);\n          await this.client.send(new DeleteObjectsCommand({\n            Bucket: this.config.bucket,\n            Delete: { Objects: batch },\n          }));\n        }\n      } else {\n        // Check if directory is empty\n        const response = await this.client.send(new ListObjectsV2Command({\n          Bucket: this.config.bucket,\n          Prefix: prefix,\n          MaxKeys: 2, // We only need to know if there's more than the dir marker\n        }));\n\n        const hasContents = (response.Contents?.length || 0) > 1 ||\n          (response.Contents?.length === 1 && !response.Contents[0].Key?.endsWith(\"/\"));\n\n        if (hasContents) {\n          throw new Error(`ENOTEMPTY: directory not empty, rmdir '${normalized}'`);\n        }\n\n        // Delete directory marker\n        await this.client.send(new DeleteObjectCommand({\n          Bucket: this.config.bucket,\n          Key: prefix,\n        }));\n      }\n\n      // Notify watchers\n      this.notifyWatchers({\n        type: \"deleted\",\n        path: normalized,\n        timestamp: new Date(),\n      });\n\n      this.events.emit(FileSystemEvents.DIR_DELETED, { path: normalized });\n      this.events.emit(FileSystemEvents.OPERATION_END, {\n        operation: \"rmdir\",\n        path: normalized,\n        id: operationId,\n        duration: Date.now() - startTime,\n      });\n    } catch (error) {\n      this.events.emit(FileSystemEvents.OPERATION_ERROR, {\n        operation: \"rmdir\",\n        path: normalized,\n        error: error as Error,\n      });\n      throw error;\n    }\n  }\n\n  async rename(oldPath: string, newPath: string): Promise<FileEntry> {\n    const normalizedOld = normalizePath(oldPath);\n    const normalizedNew = normalizePath(newPath);\n    const startTime = Date.now();\n    const operationId = `rename-${normalizedOld}-${startTime}`;\n\n    this.events.emit(FileSystemEvents.OPERATION_START, {\n      operation: \"rename\",\n      path: normalizedOld,\n      id: operationId,\n    });\n\n    try {\n      // Check if source exists\n      if (!await this.exists(normalizedOld)) {\n        throw new Error(`ENOENT: no such file or directory, rename 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async canModify(path: string): Promise<boolean> {\n    // TODO: Implementar verificação real de permissões S3\n    return true;\n  }\n\n  async canCreateIn(parentPath: string): Promise<boolean> {\n    // TODO: Implementar verificação real de permissões S3\n    return true;\n  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