61 lines
1.5 KiB
JavaScript
61 lines
1.5 KiB
JavaScript
/**
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* Game Iframe SDK - Event Emitter
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* Simple typed event emitter for SDK
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*/
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export class EventEmitter {
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constructor() {
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this.handlers = new Map();
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}
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/**
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* Subscribe to an event
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*/
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on(event, handler) {
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if (!this.handlers.has(event)) {
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this.handlers.set(event, new Set());
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}
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this.handlers.get(event).add(handler);
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// Return unsubscribe function
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return () => this.off(event, handler);
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}
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/**
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* Subscribe to an event (once)
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*/
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once(event, handler) {
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const wrappedHandler = (data) => {
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this.off(event, wrappedHandler);
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handler(data);
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};
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return this.on(event, wrappedHandler);
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}
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/**
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* Unsubscribe from an event
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*/
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off(event, handler) {
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this.handlers.get(event)?.delete(handler);
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}
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/**
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* Emit an event
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*/
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emit(event, data) {
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this.handlers.get(event)?.forEach(handler => {
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try {
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handler(data);
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}
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catch (err) {
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console.error(`[EventEmitter] Error in handler for "${String(event)}":`, err);
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}
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});
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}
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/**
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* Remove all handlers for an event (or all events)
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*/
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removeAllListeners(event) {
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if (event) {
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this.handlers.delete(event);
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}
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else {
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this.handlers.clear();
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}
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}
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}
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//# sourceMappingURL=EventEmitter.js.map
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