LeetCode MCP Server

import { Credential, LeetCode, LeetCodeCN } from "leetcode-query"; import { LeetCodeBaseService } from "./leetcode-base-service.js"; import { LeetCodeCNService } from "./leetcode-cn-service.js"; import { LeetCodeGlobalService } from "./leetcode-global-service.js"; /** * Factory class for creating LeetCode service instances based on the specified site. * This factory handles the creation of either Global or China LeetCode service implementations * and manages authentication credentials when provided. */ export class LeetCodeServiceFactory { /** * Creates and configures a LeetCode service instance based on the specified site and optional session credentials. * * @param site - The LeetCode API site to use: 'global' for international LeetCode or 'cn' for LeetCode China * @param sessionCookie - Optional session cookie string for authenticated API access * @returns A promise that resolves to a configured LeetCodeBaseService implementation */ static async createService( site: string, sessionCookie?: string ): Promise<LeetCodeBaseService> { // Create authentication credential if session cookie is provided const credential: Credential = new Credential(); if (sessionCookie) { await credential.init(sessionCookie); } // Create and return the appropriate service based on the specified site if (site.toLowerCase() === "cn") { return new LeetCodeCNService( new LeetCodeCN(credential), credential ); } else { return new LeetCodeGlobalService( new LeetCode(credential), credential ); } } }