@creejs/commons-events/dist/umd/index.min.js

Commons EventEmitter

!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).CommonsLang={})}(this,function(e){"use strict";var t={isFunction:n,isNil:s};function n(e){return"function"==typeof e}function s(e){return null==e}function r(e){return null!=e&&"string"==typeof e}var i={assertNumber:function(e,t){if(!function(e){return null!=e&&"number"==typeof e}(e))throw new Error(`${t?'"'+t+'" ':""}Not Number: type=${typeof e} value=${l(e)}`)},assertFunction:function(e,t){if(!n(e))throw new Error(`${t?'"'+t+'" ':""}Not Function: type=${typeof e} value=${l(e)}`)},assertNotNil:function(e,t){if(s(e))throw new Error((t?'"'+t+'" ':"")+"Should Not Nil")},assertString:function(e,t){if(!r(e))throw new Error(`${t?'"'+t+'" ':""}Not String: type=${typeof e} value=${l(e)}`)},assertStringOrSymbol:function(e,t){if(!r(e)&&!function(e){return null!=e&&"symbol"==typeof e}(e))throw new Error(`${t?'"'+t+'" ':""}Not String or Symbol: type=${typeof e} value=${l(e)}`)}};function l(e){if(null===e)return"null";if(void 0===e)return"undefined";let t;try{t=JSON.stringify(e)}catch(n){t=e.toString()}return t}new TextDecoder,new TextEncoder;const a="DOwner$#$",{assertFunction:o,assertNotNil:c}=i;class h{constructor(e,t,n=!1){c(e,"event"),o(t,"callback"),this._event=e,this._callback=t,this._isOnce=!!n,this._owner=void 0}set owner(e){this._owner=e}get owner(){return this._owner===a?void 0:this._owner}get event(){return this._event}get isOnce(){return this._isOnce}isSameCallback(e){return this._callback===e}get callback(){return this._callback}invoke(...e){try{return this._callback(...e)}finally{if(this._isOnce)try{this._event._remove(this)}catch(e){console.warn(e)}}}listener(...e){return this.invoke(...e)}}const{isFunction:u,isNil:_}=t,{assertStringOrSymbol:f,assertFunction:d}=i;class m{static get DefaultOwner(){return a}constructor(e){f(e,"eventName"),this._name=e,this._callbacks=new Set,this._listeners=[],this._callback2Listeners=new Map,this._listener2Owner=new Map,this._owner2Listeners=new Map}get name(){return this._name}isEmpty(){return 0===this._callbacks.size}rawListeners(){return[...this._listeners]}listenerCount(e){return null==e?this._listeners.length:this._callback2Listeners.get(e)?.size??0}callbacks(){return[...this.rawListeners().map(e=>e.callback)]}emit(...e){if(0===this._listeners.length)return!1;for(const t of[...this._listeners])t.invoke(...e);return!0}emitOwner(e,...t){if(0===this._listeners.length)return!1;const n=this._owner2Listeners.get(e);if(null==n)return!1;for(const e of[...n])e.invoke(...t);return!0}hasListener(e){return!!u(e)&&this._callbacks.has(e)}hasOwner(e){return!_(e)&&this._owner2Listeners.has(e)}addListener(e,t){return this._addListener(e,t,!1,!1)}prependListener(e,t){return this._addListener(e,t,!1,!0)}addOnceListener(e,t){return this._addListener(e,t,!0,!1)}prependOnceListener(e,t){return this._addListener(e,t,!0,!0)}_addListener(e,t,n,s){if(_(e))return!1;d(e),this._callbacks.has(e)||this._callbacks.add(e),t=t??a;const r=new h(this,e,n);r.owner=t,s?this._listeners.unshift(r):this._listeners.push(r),this._listener2Owner.set(r,t);let i=this._callback2Listeners.get(e);null==i&&(i=new Set,this._callback2Listeners.set(e,i)),i.add(r);let l=this._owner2Listeners.get(t);return null==l&&(l=new Set,this._owner2Listeners.set(t,l)),l.add(r),!0}removeListener(e){if(_(e))return!1;if(!this._callbacks.has(e))return!1;this._callbacks.delete(e);const t=this._callback2Listeners.get(e);if(null==t)return!1;this._callback2Listeners.delete(e);for(const e of t){-1!==this._listeners.indexOf(e)&&this._listeners.splice(this._listeners.indexOf(e),1);const t=this._listener2Owner.get(e);if(null==t)continue;this._listener2Owner.delete(e);const n=this._owner2Listeners.get(t);null!=n&&(n.delete(e),0===n.size&&this._owner2Listeners.delete(t))}return!0}_remove(e){const t=this._listeners.indexOf(e);-1!==t&&this._listeners.splice(t,1);const{callback:n}=e,s=this._callback2Listeners.get(n);null!=s&&(s.delete(e),0===s.size&&(this._callback2Listeners.delete(n),this._callbacks.delete(n)));const r=this._listener2Owner.get(e);if(null==r)return;this._listener2Owner.delete(e);const i=this._owner2Listeners.get(r);null!=i&&(i.delete(e),0===i.size&&this._owner2Listeners.delete(r))}removeAllListeners(e){if(_(e))return this._callbacks.clear(),this._listeners.length=0,this._callback2Listeners.clear(),this._listener2Owner.clear(),this._owner2Listeners.clear(),this;const t=this._owner2Listeners.get(e);if(null==t)return this;this._owner2Listeners.delete(e);for(const e of t){-1!==this._listeners.indexOf(e)&&this._listeners.splice(this._listeners.indexOf(e),1),this._listener2Owner.delete(e);const{callback:t}=e,n=this._callback2Listeners.get(t);null!=n&&(n.delete(e),0===n.size&&(this._callback2Listeners.delete(t),this._callbacks.delete(t)))}return this}}const{isNil:L}=t,{assertString:w,assertFunction:v,assertNumber:g,assertStringOrSymbol:p,assertNotNil:b}=i,O=["on","once","addListener","prependListener","prependOnceListener","off","offAll","offOwner","removeAllListeners","removeListener","emit","emitOwner","setMaxListeners","getMaxListeners","hasOwner","listeners","listenerCount","eventNames","rawListeners"];let k=10;class E{static mixin(e){const t=new E;e.__emitter=t;for(const n of O){const s=t[n];e[n]=s.bind(t)}return e}static get defaultMaxListeners(){return k}static set defaultMaxListeners(e){g(e),k=e??10}constructor(){this._name2Event=new Map,this._maxListeners=k}addListener(e,t,n){return this.on(e,t,n)}prependListener(e,t,n){w(e),v(t),this._checkMaxListeners(e);return this._getOrCreateEvent(e).prependListener(t,n),this}prependOnceListener(e,t,n){w(e),v(t),this._checkMaxListeners(e);return this._getOrCreateEvent(e).prependOnceListener(t,n),this}emit(e,...t){const n=this._name2Event.get(e);return null!=n&&!n.isEmpty()&&(n.emit(...t),!0)}emitOwner(e,t,...n){if(null==t)throw new Error('Missing "owner"');const s=this._name2Event.get(e);return null!=s&&!s.isEmpty()&&(s.emitOwner(t,...n),!0)}eventNames(){return[...this._name2Event.keys()]}getMaxListeners(){return this._maxListeners}listenerCount(e,t){p(e,"eventName");const n=this._name2Event.get(e);return null==n||n.isEmpty()?0:n.listenerCount(t)}listeners(e){p(e,"eventName");const t=this._name2Event.get(e);return null==t||t.isEmpty()?[]:t.callbacks()}off(e,t){const n=this._name2Event.get(e);return null==n?this:(n.removeListener(t),n.isEmpty()?(this._name2Event.delete(e),this):this)}offAll(e,t){p(e,"eventName");const n=this._name2Event.get(e);return null==n?this:(n.removeAllListeners(t),n.isEmpty()?(this._name2Event.delete(e),this):this)}offOwner(e){b(e,"owner");const t=[...this._name2Event.values()];for(const n of t)n.removeAllListeners(e),n.isEmpty()&&this._name2Event.delete(n.name);return this}on(e,t,n){w(e),v(t),this._checkMaxListeners(e);return this._getOrCreateEvent(e).addListener(t,n),this}_checkMaxListeners(e){let t=0;0!==this._maxListeners&&this._maxListeners!==1/0&&(t=this.listenerCount(e))>=this._maxListeners&&console.warn(`maxlistenersexceededwarning: Possible EventEmitter memory leak detected. ${t} ${e} listeners added to [${this}]. Use emitter.setMaxListeners() to increase limit`)}once(e,t,n){w(e),v(t);return this._getOrCreateEvent(e).addOnceListener(t,n),this}rawListeners(e){return this._name2Event.get(e)?.rawListeners()||[]}removeAllListeners(e,t){return this.offAll(e,t)}removeListener(e,t){return this.off(e,t)}setMaxListeners(e){if(g(e),e<0)throw new RangeError("maxListeners must >=0");return this._maxListeners=e,this}_getOrCreateEvent(e){if(this._name2Event.has(e))return this._name2Event.get(e);const t=new m(e);return this._name2Event.set(e,t),t}hasOwner(e){if(L(e))return!1;for(const t of this._name2Event.values())if(t.hasOwner(e))return!0;return!1}}e.EventEmitter=E,e.default=E,Object.defineProperty(e,"__esModule",{value:!0})});
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