discord-prevnames/index.js

Unofficial Discord module to track and retrieve users' previous usernames and display names by ID .

const NameApiService = require('./src/services/nameApiService');
const nameEvents = require('./src/events/nameEvents');
const { validateUserId } = require('./src/utils/validators');

class PrevNames {
    constructor() {
        this.apiService = new NameApiService();
        this.events = nameEvents;
        this.isListening = false;
        this.startListening();
    }

    startListening() {
        if (this.isListening) return;
        
        this.isListening = true;
        this.apiService.listenToPrevnamesEvents((data) => {
            try {
              
              
                if (data && data.type === 'displayname') {
                   
                    this.events.emitNameAdded({
                        userId: data.userId,
                        type: data.type,
                        name: data.name,
                        changedAt: data.changedAt
                    });
                }
            } catch (error) {
               
                this.isListening = false;
                this.startListening();
            }
        });
    }

    on(eventName, callback) {
        if (typeof callback !== 'function') {
            throw new Error('Callback must be function');
        }
        this.events.on(eventName, callback);
        return () => this.events.removeListener(eventName, callback);
    }

    async getUserPrevnames(userId) {
        try {
            validateUserId(userId);
            return await this.apiService.getUserPrevnames(userId);
        } catch (error) {
            throw new Error(error.message);
        }
    }

    stop() {
        this.isListening = false;
        this.events.removeAllListeners();
    }
}

module.exports = PrevNames;