solidworks-mcp-server/dist/presentation/transformers/error-transformer.js

Clean Architecture SolidWorks MCP Server - Production-ready with SOLID principles

/**
 * Error Transformer
 * Transforms errors to MCP-compatible format
 */
import { McpError, ErrorCode } from '@modelcontextprotocol/sdk/types.js';
import { DomainError } from '../../core/interfaces/core-abstractions.js';
export class ErrorTransformer {
    /**
     * Transform any error to MCP error
     */
    transform(error) {
        if (error instanceof McpError) {
            return error;
        }
        if (error instanceof DomainError) {
            return new McpError(this.mapErrorCode(error.statusCode), error.message, error.toJSON());
        }
        if (error instanceof Error) {
            return new McpError(ErrorCode.InternalError, error.message, {
                name: error.name,
                stack: error.stack
            });
        }
        return new McpError(ErrorCode.InternalError, 'An unexpected error occurred', { error: String(error) });
    }
    /**
     * Map HTTP status code to MCP error code
     */
    mapErrorCode(statusCode) {
        switch (statusCode) {
            case 400:
                return ErrorCode.InvalidRequest;
            case 404:
                return ErrorCode.MethodNotFound;
            case 422:
                return ErrorCode.InvalidParams;
            case 503:
                return ErrorCode.InternalError;
            default:
                return ErrorCode.InternalError;
        }
    }
}
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