@inweb/eventemitter2/dist/eventemitter2.min.js

JavaScript event emitter

!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports):"function"==typeof define&&define.amd?define(["exports"],t):t((e="undefined"!=typeof globalThis?globalThis:e||self).ODA=e.ODA||{})}(this,(function(e){"use strict";e.EventEmitter2=class{constructor(){this._listeners={}}addEventListener(e,t){return void 0===this._listeners[e]&&(this._listeners[e]=[]),this._listeners[e].push(t),this}removeEventListener(e,t){if(void 0===this._listeners[e])return this;const s=this._listeners[e].filter((e=>e!==t));return 0!==s.length?this._listeners[e]=s:delete this._listeners[e],this}removeAllListeners(e){return e?delete this._listeners[e]:this._listeners={},this}emitEvent(e){if(void 0===this._listeners[e.type])return!1;return this._listeners[e.type].slice().forEach((t=>t.call(this,e))),!0}on(e,t){return this.addEventListener(e,t)}off(e,t){return this.removeEventListener(e,t)}emit(e,...t){return"string"==typeof e?this.emitEvent({type:e,args:t}):"object"==typeof e&&this.emitEvent(e)}}}));