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

Commons EventEmitter

var e={isFunction:t,isNil:s};function t(e){return"function"==typeof e}function s(e){return null==e}function n(e){return null!=e&&"string"==typeof e}var r={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=${i(e)}`)},assertFunction:function(e,s){if(!t(e))throw new Error(`${s?'"'+s+'" ':""}Not Function: type=${typeof e} value=${i(e)}`)},assertNotNil:function(e,t){if(s(e))throw new Error((t?'"'+t+'" ':"")+"Should Not Nil")},assertString:function(e,t){if(!n(e))throw new Error(`${t?'"'+t+'" ':""}Not String: type=${typeof e} value=${i(e)}`)},assertStringOrSymbol:function(e,t){if(!n(e)&&!function(e){return null!=e&&"symbol"==typeof e}(e))throw new Error(`${t?'"'+t+'" ':""}Not String or Symbol: type=${typeof e} value=${i(e)}`)}};function i(e){if(null===e)return"null";if(void 0===e)return"undefined";let t;try{t=JSON.stringify(e)}catch(s){t=e.toString()}return t}new TextDecoder,new TextEncoder;const l="DOwner$#$",{assertFunction:a,assertNotNil:o}=r;class c{constructor(e,t,s=!1){o(e,"event"),a(t,"callback"),this._event=e,this._callback=t,this._isOnce=!!s,this._owner=void 0}set owner(e){this._owner=e}get owner(){return this._owner===l?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:h,isNil:u}=e,{assertStringOrSymbol:_,assertFunction:f}=r;class m{static get DefaultOwner(){return l}constructor(e){_(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 s=this._owner2Listeners.get(e);if(null==s)return!1;for(const e of[...s])e.invoke(...t);return!0}hasListener(e){return!!h(e)&&this._callbacks.has(e)}hasOwner(e){return!u(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,s,n){if(u(e))return!1;f(e),this._callbacks.has(e)||this._callbacks.add(e),t=t??l;const r=new c(this,e,s);r.owner=t,n?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 a=this._owner2Listeners.get(t);return null==a&&(a=new Set,this._owner2Listeners.set(t,a)),a.add(r),!0}removeListener(e){if(u(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 s=this._owner2Listeners.get(t);null!=s&&(s.delete(e),0===s.size&&this._owner2Listeners.delete(t))}return!0}_remove(e){const t=this._listeners.indexOf(e);-1!==t&&this._listeners.splice(t,1);const{callback:s}=e,n=this._callback2Listeners.get(s);null!=n&&(n.delete(e),0===n.size&&(this._callback2Listeners.delete(s),this._callbacks.delete(s)));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(u(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,s=this._callback2Listeners.get(t);null!=s&&(s.delete(e),0===s.size&&(this._callback2Listeners.delete(t),this._callbacks.delete(t)))}return this}}const{isNil:d}=e,{assertString:w,assertFunction:L,assertNumber:v,assertStringOrSymbol:g,assertNotNil:p}=r,b=["on","once","addListener","prependListener","prependOnceListener","off","offAll","offOwner","removeAllListeners","removeListener","emit","emitOwner","setMaxListeners","getMaxListeners","hasOwner","listeners","listenerCount","eventNames","rawListeners"];let O=10;class k{static mixin(e){const t=new k;e.__emitter=t;for(const s of b){const n=t[s];e[s]=n.bind(t)}return e}static get defaultMaxListeners(){return O}static set defaultMaxListeners(e){v(e),O=e??10}constructor(){this._name2Event=new Map,this._maxListeners=O}addListener(e,t,s){return this.on(e,t,s)}prependListener(e,t,s){w(e),L(t),this._checkMaxListeners(e);return this._getOrCreateEvent(e).prependListener(t,s),this}prependOnceListener(e,t,s){w(e),L(t),this._checkMaxListeners(e);return this._getOrCreateEvent(e).prependOnceListener(t,s),this}emit(e,...t){const s=this._name2Event.get(e);return null!=s&&!s.isEmpty()&&(s.emit(...t),!0)}emitOwner(e,t,...s){if(null==t)throw new Error('Missing "owner"');const n=this._name2Event.get(e);return null!=n&&!n.isEmpty()&&(n.emitOwner(t,...s),!0)}eventNames(){return[...this._name2Event.keys()]}getMaxListeners(){return this._maxListeners}listenerCount(e,t){g(e,"eventName");const s=this._name2Event.get(e);return null==s||s.isEmpty()?0:s.listenerCount(t)}listeners(e){g(e,"eventName");const t=this._name2Event.get(e);return null==t||t.isEmpty()?[]:t.callbacks()}off(e,t){const s=this._name2Event.get(e);return null==s?this:(s.removeListener(t),s.isEmpty()?(this._name2Event.delete(e),this):this)}offAll(e,t){g(e,"eventName");const s=this._name2Event.get(e);return null==s?this:(s.removeAllListeners(t),s.isEmpty()?(this._name2Event.delete(e),this):this)}offOwner(e){p(e,"owner");const t=[...this._name2Event.values()];for(const s of t)s.removeAllListeners(e),s.isEmpty()&&this._name2Event.delete(s.name);return this}on(e,t,s){w(e),L(t),this._checkMaxListeners(e);return this._getOrCreateEvent(e).addListener(t,s),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,s){w(e),L(t);return this._getOrCreateEvent(e).addOnceListener(t,s),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(v(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(d(e))return!1;for(const t of this._name2Event.values())if(t.hasOwner(e))return!0;return!1}}export{k as EventEmitter,k as default};
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