hookified/dist/browser/index.js

Event Emitting and Middleware Hooks

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