mcp-chat-adapter/dist/tools/error-handler.js

MCP server for OpenAI chat completion

import { ChatTimeoutError, ConversationNotFoundError } from '../types.js';
/**
 * Standard error handler for tool functions
 *
 * This function:
 * 1. Logs the error with consistent formatting
 * 2. Handles specific error types (like ConversationNotFoundError)
 * 3. Provides standardized error messages
 *
 * @param context - Context identifier for the log entry
 * @param error - The error to handle
 * @param customMessage - Optional custom error message prefix
 */
export function handleToolError(log, context, error, customMessage) {
    // Get a readable error message
    const errorMessage = error instanceof Error ? error.message : String(error);
    // Log the error
    log.error(context, `${customMessage || 'Error'}: ${errorMessage}`);
    // Handle specific error types
    if (error instanceof ConversationNotFoundError) {
        // ConversationNotFoundError should be passed through directly
        throw error;
    }
    if (error instanceof ChatTimeoutError) {
        // ChatTimeoutError should be passed through directly
        throw error;
    }
    if (error instanceof Error && error.name === 'AbortError') {
        // Convert AbortError to ChatTimeoutError for consistency
        log.error(context, "Request timed out or was cancelled");
        throw new ChatTimeoutError();
    }
    // For other errors, throw a generic error with context
    throw new Error(`${customMessage || 'Error in'} ${context}: ${errorMessage}`);
}
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