hookified/dist/node/index.js

Event Emitting and Middleware Hooks

var n=class{_eventListeners;_maxListeners;_logger;constructor(e){this._eventListeners=new Map,this._maxListeners=100,this._logger=e?.logger}once(e,s){let t=(...r)=>{this.off(e,t),s(...r)};return this.on(e,t),this}listenerCount(e){if(!e)return this.getAllListeners().length;let s=this._eventListeners.get(e);return s?s.length:0}eventNames(){return Array.from(this._eventListeners.keys())}rawListeners(e){return e?this._eventListeners.get(e)??[]:this.getAllListeners()}prependListener(e,s){let t=this._eventListeners.get(e)??[];return t.unshift(s),this._eventListeners.set(e,t),this}prependOnceListener(e,s){let t=(...r)=>{this.off(e,t),s(...r)};return this.prependListener(e,t),this}maxListeners(){return this._maxListeners}addListener(e,s){return this.on(e,s),this}on(e,s){this._eventListeners.has(e)||this._eventListeners.set(e,[]);let t=this._eventListeners.get(e);return t&&(t.length>=this._maxListeners&&console.warn(`MaxListenersExceededWarning: Possible event memory leak detected. ${t.length+1} ${e} listeners added. Use setMaxListeners() to increase limit.`),t.push(s)),this}removeListener(e,s){return this.off(e,s),this}off(e,s){let t=this._eventListeners.get(e)??[],r=t.indexOf(s);return r!==-1&&t.splice(r,1),t.length===0&&this._eventListeners.delete(e),this}emit(e,...s){let t=!1,r=this._eventListeners.get(e);if(r&&r.length>0)for(let i of r)i(...s),t=!0;return t}listeners(e){return this._eventListeners.get(e)??[]}removeAllListeners(e){return e?this._eventListeners.delete(e):this._eventListeners.clear(),this}setMaxListeners(e){this._maxListeners=e;for(let s of this._eventListeners.values())s.length>e&&s.splice(e)}getAllListeners(){let e=new Array;for(let s of this._eventListeners.values())e=e.concat(s);return e}};var l=class extends n{_hooks;_throwHookErrors=!1;constructor(e){super({logger:e?.logger}),this._hooks=new Map,e?.throwHookErrors!==void 0&&(this._throwHookErrors=e.throwHookErrors)}get hooks(){return this._hooks}get throwHookErrors(){return this._throwHookErrors}set throwHookErrors(e){this._throwHookErrors=e}get logger(){return this._logger}set logger(e){this._logger=e}onHook(e,s){let t=this._hooks.get(e);t?t.push(s):this._hooks.set(e,[s])}prependHook(e,s){let t=this._hooks.get(e);t?t.unshift(s):this._hooks.set(e,[s])}prependOnceHook(e,s){let t=async(...r)=>(this.removeHook(e,t),s(...r));this.prependHook(e,t)}onceHook(e,s){let t=async(...r)=>(this.removeHook(e,t),s(...r));this.onHook(e,t)}removeHook(e,s){let t=this._hooks.get(e);if(t){let r=t.indexOf(s);r!==-1&&t.splice(r,1)}}async hook(e,...s){let t=this._hooks.get(e);if(t)for(let r of t)try{await r(...s)}catch(i){let o=`${e}: ${i.message}`;if(this.emit("error",new Error(o)),this._logger&&this._logger.error(o),this._throwHookErrors)throw new Error(o)}}getHooks(e){return this._hooks.get(e)}clearHooks(){this._hooks.clear()}};export{n as Eventified,l as Hookified};