valia/dist/schema/managers/events.js

A runtime data validator in TypeScript with advanced type inference, built-in validation functions, and seamless integration for server and client environments.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.eventsManager = eventsManager;
function eventsManager() {
    return ({
        listeners: new Map(),
        on(event, callback) {
            if (!this.listeners.has(event)) {
                this.listeners.set(event, []);
            }
            this.listeners.get(event).push(callback);
        },
        emit(event, ...args) {
            const callbacks = this.listeners.get(event);
            if (!callbacks)
                return;
            for (const callback of callbacks) {
                callback(...args);
            }
        },
        off(event, callback) {
            const listeners = this.listeners.get(event);
            if (!listeners)
                return;
            const index = listeners.indexOf(callback);
            if (index !== -1) {
                listeners.splice(index, 1);
            }
        }
    });
}