ts-hashlife
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Efficient TypeScript implementation of HashLife, an optimized algorithm for simulating Conway's Game of Life with memoization and quadtree-based compression.
63 lines • 2.82 kB
JavaScript
var __classPrivateFieldGet = (this && this.__classPrivateFieldGet) || function (receiver, state, kind, f) {
if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a getter");
if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot read private member from an object whose class did not declare it");
return kind === "m" ? f : kind === "a" ? f.call(receiver) : f ? f.value : state.get(receiver);
};
var __classPrivateFieldSet = (this && this.__classPrivateFieldSet) || function (receiver, state, value, kind, f) {
if (kind === "m") throw new TypeError("Private method is not writable");
if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a setter");
if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot write private member to an object whose class did not declare it");
return (kind === "a" ? f.call(receiver, value) : f ? f.value = value : state.set(receiver, value)), value;
};
var _EventBus_listeners;
class EventBus {
constructor() {
_EventBus_listeners.set(this, {});
}
/**
* Emit an event with data
*/
emit(event, data) {
if (!__classPrivateFieldGet(this, _EventBus_listeners, "f")[event])
return;
const callbacks = __classPrivateFieldGet(this, _EventBus_listeners, "f")[event] || [];
callbacks.forEach((callback) => callback(data));
}
/**
* Subscribe to an event
* @returns A function to unsubscribe
*/
on(event, callback) {
if (!__classPrivateFieldGet(this, _EventBus_listeners, "f")[event]) {
__classPrivateFieldGet(this, _EventBus_listeners, "f")[event] = [];
}
__classPrivateFieldGet(this, _EventBus_listeners, "f")[event].push(callback);
// Return unsubscribe function
return () => this.off(event, callback);
}
/**
* Unsubscribe from an event
*/
off(event, callback) {
if (!__classPrivateFieldGet(this, _EventBus_listeners, "f")[event])
return;
const filtered = __classPrivateFieldGet(this, _EventBus_listeners, "f")[event].filter((cb) => cb !== callback);
__classPrivateFieldGet(this, _EventBus_listeners, "f")[event] = filtered;
}
/**
* Clear all listeners for an event or all events
*/
clear(event) {
if (event) {
__classPrivateFieldGet(this, _EventBus_listeners, "f")[event] = [];
}
else {
__classPrivateFieldSet(this, _EventBus_listeners, {}, "f");
}
}
}
_EventBus_listeners = new WeakMap();
// Create a singleton instance
const eventBus = new EventBus();
export default eventBus;
//# sourceMappingURL=event-bus.js.map