stimbus/lib/util/bus.js

An event bus for stimulus

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
class EventBus {
    #bus;
    #events;
    constructor() {
        this.#events = {};
        this.#bus = {};
    }
    addEvent(callerId, type, listener) {
        if (!this.#events[callerId]) {
            this.#events[callerId] = {};
        }
        this.#events[callerId][type] = listener;
        this.#bus[type]?.push(listener);
    }
    removeEvent(callerId, type) {
        const listener = this.#events[callerId][type];
        if (!listener) {
            return;
        }
        this.#bus[type] = this.#bus[type]?.filter((x) => x !== listener);
        delete this.#events[callerId][type];
    }
    trigger(type, detail) {
        this.#bus[type]?.forEach((x) => x(detail));
    }
}
exports.default = EventBus;