@dark-engine/core/dist/cjs/emitter/emitter.js

The lightweight and powerful UI rendering engine without dependencies and written in TypeScript (Browser, Node.js, Android, iOS, Windows, Linux, macOS)

'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
exports.EventEmitter = void 0;
class EventEmitter {
  subscribers = new Map();
  on(e, fn) {
    !this.subscribers.has(e) && this.subscribers.set(e, new Set());
    this.subscribers.get(e).add(fn);
    return () => this.subscribers.has(e) && this.subscribers.get(e).delete(fn);
  }
  emit(e, data) {
    this.subscribers.has(e) && this.subscribers.get(e).forEach(x => x(data));
  }
  kill() {
    this.subscribers = new Map();
  }
  __getSize() {
    return this.subscribers.size;
  }
}
exports.EventEmitter = EventEmitter;
//# sourceMappingURL=emitter.js.map