This Riot Games API Client is written in TypeScript and offers fluent interfaces, full typing, data classes.

Example usage with top level await:

import {RiotApiClient, Servers} from 'rgac';
const client = new RiotApiClient({
    apiKey: process.env.RIOT_API_KEY,
    server: Servers.EUW1
});
const summoner = await client.leagueOfLegends.summoner.byName('GindenEU');
const {data: [match], getNextPage} = await summoner.getMatches();
const timeline = await match.timeline();
const {data: [anotherMatch]} = await getNextPage();

• Support for following APIs:
  • champion-mastery-v4
  • champion-v3
  • league-exp-v4
  • league-v4
  • lol-status-v3
  • match-v4
  • spectator-v4
  • summoner-v4
  • third-party-code-v4
• Rich objects:
  • Summoner and Match classes
• Joi schemas for all API interfaces
• TypeScript interfaces for API data

• Limited rate limiting - currently, you can specify only maxRequests and perMilliseconds and it's less flexible than system provided by Riot Games.
• Need to manually check if has next page.

• TFT API support
• Tournament API support
• Legends of Runeterra support
• Intelligent caching of responses
• AsyncIterables for pagination

See CONTRIBUTING.MD;

RGAC isn’t endorsed by Riot Games and doesn’t reflect the views or opinions of Riot Games or anyone officially involved in producing or managing League of Legends. League of Legends and Riot Games are trademarks or registered trademarks of Riot Games, Inc. League of Legends © Riot Games, Inc.