Claude Desktop Commander MCP

/** * Image file handler * Handles reading image files and converting to base64 */ import fs from "fs/promises"; import { FileHandler, ReadOptions, FileResult, FileInfo } from './base.js'; /** * Image file handler implementation * Supports: PNG, JPEG, GIF, WebP, BMP, SVG */ export class ImageFileHandler implements FileHandler { private static readonly IMAGE_EXTENSIONS = [ '.png', '.jpg', '.jpeg', '.gif', '.webp', '.bmp', '.svg' ]; private static readonly IMAGE_MIME_TYPES: { [key: string]: string } = { '.png': 'image/png', '.jpg': 'image/jpeg', '.jpeg': 'image/jpeg', '.gif': 'image/gif', '.webp': 'image/webp', '.bmp': 'image/bmp', '.svg': 'image/svg+xml' }; canHandle(path: string): boolean { const lowerPath = path.toLowerCase(); return ImageFileHandler.IMAGE_EXTENSIONS.some(ext => lowerPath.endsWith(ext)); } async read(path: string, options?: ReadOptions): Promise<FileResult> { // Images are always read in full, ignoring offset and length const buffer = await fs.readFile(path); const content = buffer.toString('base64'); const mimeType = this.getMimeType(path); return { content, mimeType, metadata: { isImage: true } }; } async write(path: string, content: Buffer | string): Promise<void> { // If content is base64 string, convert to buffer if (typeof content === 'string') { const buffer = Buffer.from(content, 'base64'); await fs.writeFile(path, buffer); } else { await fs.writeFile(path, content); } } async getInfo(path: string): Promise<FileInfo> { const stats = await fs.stat(path); return { size: stats.size, created: stats.birthtime, modified: stats.mtime, accessed: stats.atime, isDirectory: stats.isDirectory(), isFile: stats.isFile(), permissions: stats.mode.toString(8).slice(-3), fileType: 'image', metadata: { isImage: true } }; } /** * Get MIME type for image based on file extension */ private getMimeType(path: string): string { const lowerPath = path.toLowerCase(); for (const [ext, mimeType] of Object.entries(ImageFileHandler.IMAGE_MIME_TYPES)) { if (lowerPath.endsWith(ext)) { return mimeType; } } return 'application/octet-stream'; // Fallback } }