replay-viewer/eventbus/EventBus.js

Rocket League replay viewer React component and tooling

var EventBus = /** @class */ (function () {
    function EventBus() {
        this.listeners = {};
    }
    EventBus.prototype.buildEvent = function (type, scope) {
        var _this = this;
        var addEventListener = function (callback) {
            return _this.addEventListener(type, callback, scope);
        };
        var removeEventListener = function (callback) {
            return _this.removeEventListener(type, callback, scope);
        };
        var dispatch = function (args) { return _this.dispatch(type, args); };
        return {
            addEventListener: addEventListener,
            removeEventListener: removeEventListener,
            dispatch: dispatch,
        };
    };
    EventBus.prototype.addEventListener = function (type, callback, scope) {
        if (!this.listeners[type]) {
            this.listeners[type] = [];
        }
        // Remove duplicate event listeners
        this.removeEventListener(type, callback, scope);
        // Add this listener to the list
        this.listeners[type].push({ type: type, callback: callback, scope: scope });
    };
    EventBus.prototype.removeEventListener = function (type, callback, scope) {
        if (!this.listeners[type]) {
            return;
        }
        this.listeners[type] = this.listeners[type].filter(function (_a) {
            var t = _a.type, c = _a.callback, s = _a.scope;
            return !(type === t && callback === c && scope === s);
        });
    };
    EventBus.prototype.dispatch = function (type, arg) {
        if (!this.listeners[type]) {
            return;
        }
        this.listeners[type].forEach(function (listener) {
            if (type === listener.type) {
                listener.callback.call(listener.scope || null, arg);
            }
        });
    };
    EventBus.prototype.reset = function () {
        var _this = this;
        Object.keys(this.listeners).forEach(function (key) {
            delete _this.listeners[key];
        });
    };
    return EventBus;
}());
export default new EventBus();
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