/**
* Error handling utilities for the StatPearls MCP server
*/
/**
* Custom error class for search-related errors
*/
export class SearchError extends Error {
constructor(message: string) {
super(message);
this.name = "SearchError";
}
}
/**
* Custom error class for content retrieval errors
*/
export class ContentError extends Error {
constructor(message: string) {
super(message);
this.name = "ContentError";
}
}
/**
* Custom error class for parsing errors
*/
export class ParsingError extends Error {
constructor(message: string) {
super(message);
this.name = "ParsingError";
}
}
/**
* Wraps a function with error handling
* @param fn The function to wrap
* @param errorMessage The error message to use if the function throws
* @returns The wrapped function
*/
export function withErrorHandling<T, Args extends any[]>(
fn: (...args: Args) => Promise<T>,
errorMessage: string
): (...args: Args) => Promise<T> {
return async (...args: Args) => {
try {
return await fn(...args);
} catch (error) {
throw new Error(`${errorMessage}: ${error instanceof Error ? error.message : String(error)}`);
}
};
}
/**
* Wraps a synchronous function with error handling
* @param fn The function to wrap
* @param errorMessage The error message to use if the function throws
* @returns The wrapped function
*/
export function withSyncErrorHandling<T, Args extends any[]>(
fn: (...args: Args) => T,
errorMessage: string
): (...args: Args) => T {
return (...args: Args) => {
try {
return fn(...args);
} catch (error) {
throw new Error(`${errorMessage}: ${error instanceof Error ? error.message : String(error)}`);
}
};
}
/**
* Logs an error to the console
* @param error The error to log
* @param context Additional context information
*/
export function logError(error: unknown, context?: string): void {
const errorMessage = error instanceof Error ? error.message : String(error);
const contextPrefix = context ? `[${context}] ` : '';
console.error(`${contextPrefix}Error: ${errorMessage}`);
if (error instanceof Error && error.stack) {
console.error(error.stack);
}
}
