QoutaMCP

/** * Error utilities for Project Inspector MCP * All errors are returned as JSON, never as exceptions */ export const ErrorCodes = { PATH_NOT_FOUND: 'PATH_NOT_FOUND', PATH_NOT_DIRECTORY: 'PATH_NOT_DIRECTORY', ACCESS_DENIED: 'ACCESS_DENIED', MAX_DEPTH_EXCEEDED: 'MAX_DEPTH_EXCEEDED', MAX_FILES_EXCEEDED: 'MAX_FILES_EXCEEDED', INVALID_PATH: 'INVALID_PATH', SCAN_ERROR: 'SCAN_ERROR' }; export const ErrorMessages = { [ErrorCodes.PATH_NOT_FOUND]: 'Specified path does not exist', [ErrorCodes.PATH_NOT_DIRECTORY]: 'Path is not a directory', [ErrorCodes.ACCESS_DENIED]: 'Permission denied', [ErrorCodes.MAX_DEPTH_EXCEEDED]: 'Maximum scan depth exceeded', [ErrorCodes.MAX_FILES_EXCEEDED]: 'Maximum file count exceeded', [ErrorCodes.INVALID_PATH]: 'Invalid path format', [ErrorCodes.SCAN_ERROR]: 'Error occurred during scan' }; /** * Create a standardized error response * @param {string} code - Error code from ErrorCodes * @param {string} [customMessage] - Optional custom message to override default * @returns {object} Standardized error object */ export function createError(code, customMessage = null) { return { error: { code, message: customMessage || ErrorMessages[code] || 'Unknown error' } }; } /** * Check if a result is an error * @param {object} result - Result object to check * @returns {boolean} */ export function isError(result) { return result && typeof result === 'object' && 'error' in result; }