@trustcomponent/trustcaptcha-frontend/dist/collection/components/trustcaptcha-component/src/simple-event-emitter.js

TrustCaptcha – Privacy-first CAPTCHA solution. GDPR-compliant, bot protection made in Europe.

export class SimpleEventEmitter {
    constructor() {
        this.listeners = {};
    }
    on(event, listener) {
        if (!this.listeners[event]) {
            this.listeners[event] = [];
        }
        this.listeners[event].push(listener);
    }
    // public off(event: string, listener: Listener): void {
    //   if (!this.listeners[event]) return;
    //   this.listeners[event] = this.listeners[event].filter((l) => l !== listener);
    // }
    emit(event, ...args) {
        if (!this.listeners[event])
            return;
        const listeners = [...this.listeners[event]];
        for (const listener of listeners) {
            listener(...args);
        }
    }
}
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