import type { z } from 'zod';
import type { ToolConfig } from './types.js';
/**
* Abstract base class for creating tools with typed parameters and results
* Based on VeChain MCP ToolBase pattern
*/
export abstract class ToolBase<TParameters extends z.ZodSchema = z.ZodSchema, TResult = any> {
public readonly name: string;
public readonly description: string;
public readonly parameters: TParameters;
constructor(config: ToolConfig<TParameters>) {
this.name = config.name;
this.description = config.description;
this.parameters = config.parameters;
}
/**
* Executes the tool with the provided parameters
*/
abstract execute(parameters: z.infer<TParameters>): TResult | Promise<TResult>;
}
/**
* Creates a new Tool instance with the provided configuration and execution function
* Helper function to create tools without extending the class
*/
export function createTool<TParameters extends z.ZodSchema, TResult = any>(
config: ToolConfig<TParameters>,
execute: (parameters: z.infer<TParameters>) => TResult | Promise<TResult>
): ToolBase<TParameters, TResult> {
return new (class extends ToolBase<TParameters, TResult> {
execute(parameters: z.infer<TParameters>): TResult | Promise<TResult> {
return execute(parameters);
}
})(config);
}
