MCP Agent TypeScript Port

"use strict"; /** * Helper functions for working with content objects */ Object.defineProperty(exports, "__esModule", { value: true }); exports.getText = getText; exports.getImageData = getImageData; exports.getMimeType = getMimeType; exports.isTextContent = isTextContent; exports.isImageContent = isImageContent; exports.contentToText = contentToText; /** * Extract text content from a content object if available */ function getText(content) { // Direct text content if ('type' in content && content.type === 'text' && 'text' in content) { return content.text; } // Text resource contents if ('text' in content && typeof content.text === 'string') { return content.text; } // Embedded resource with text if ('type' in content && content.type === 'resource' && 'resource' in content) { const embedded = content; if ('text' in embedded.resource) { return embedded.resource.text; } } return null; } /** * Extract image data from a content object if available */ function getImageData(content) { // Direct image content if ('type' in content && content.type === 'image' && 'data' in content) { return content.data; } // Embedded resource with blob if ('type' in content && content.type === 'resource' && 'resource' in content) { const embedded = content; if ('blob' in embedded.resource) { return embedded.resource.blob; } } return null; } /** * Extract MIME type from a content object if available */ function getMimeType(content) { // Image content has mimeType if ('type' in content && content.type === 'image' && 'mimeType' in content) { return content.mimeType; } // Resource contents might have mimeType if ('mimeType' in content && typeof content.mimeType === 'string') { return content.mimeType; } // Embedded resource if ('type' in content && content.type === 'resource' && 'resource' in content) { const embedded = content; if ('mimeType' in embedded.resource) { return embedded.resource.mimeType; } } return null; } /** * Check if content is text-based */ function isTextContent(content) { return getText(content) !== null; } /** * Check if content is image-based */ function isImageContent(content) { return getImageData(content) !== null; } /** * Convert content array to plain text */ function contentToText(contents) { return contents .map(content => { const text = getText(content); if (text) return text; if (isImageContent(content)) { const mimeType = getMimeType(content) || 'unknown'; return `[Image: ${mimeType}]`; } return '[Unknown content]'; }) .join('\n'); }