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

Common Utils About Task Retrying

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interval(){return this._interval}_next(t){return this.interval}}const{assertPositive:tt}=f;class et extends N{constructor(t){super(),tt(t,"increasement"),this._increasement=t}set increasement(t){tt(t,"increasement"),this._increasement=t}get increasement(){return this._increasement}_next(t){return this._nextInterval>=this._max?this._max:this._nextInterval+this.increasement}}const{assertPositive:rt}=f;class nt extends N{constructor(t){if(super(),rt(t,"factor"),t<1)throw new Error("factor must be >= 1");this._factor=t}set factor(t){if(rt(t,"factor"),t<1)throw new Error("factor must be >= 1");this._factor=t}get factor(){return this._factor}_next(t){return this._nextInterval>=this._max?this._max:this._nextInterval*this.factor}}const{assertPositive:st}=f;class it extends N{constructor(t){super(),st(t,"stepLength"),this._stepLength=t,this.increasement=t}set stepLength(t){st(t,"stepLength"),this._stepLength=t,this.increasement=t}get stepLength(){return this._stepLength}_next(t){const e=this._nextInterval+this.increasement;return e>=this._max?(this.increasement=-this.stepLength,this._max):e<=this._min?(this.increasement=this.stepLength,this._min):e}}const{assertNotNegative:at}=f;class ot extends Z{constructor(t,e=500){super(t),at(e,"jitter"),this._jitter=e??500}}const{assertNotNegative:ct}=f;class lt extends nt{constructor(t=500){super(2),ct(t,"jitter"),this._jitter=t??500}}const{assertNotNegative:ut}=f;class ht extends et{constructor(t,e=500){super(t),ut(e,"jitter"),this._jitter=e??500}}const{assertNotNil:ft,assertFunction:mt}=f;class _t{constructor(t,e){ft(t,"retrier"),mt(e,"task"),this.retrier=t,this.task=e,this.result=void 0,this.error=void 0}get failed(){return null!=this.error}get succeeded(){return null==this.error}async execute(t,e,r){try{this.result=await this.task(t,e,r),this.error=void 0}catch(t){this.error=t instanceof Error?t:new Error(String(t))}}dispose(){this.retrier=void 0}}class dt extends _t{static isAlwaysTask(t){return t instanceof dt}constructor(t,e,r){super(t,e),this.resetPolicy=r}async execute(t,e,r){await super.execute(t,e,r),this.succeeded&&this.resetPolicy&&this.retrier.resetRetryPolicy()}}class pt extends _t{static isForeverTask(t){return t instanceof pt}constructor(t,e,r){super(t,e),this.resetPolicy=r}async execute(t,e,r){await super.execute(t,e,r),this.succeeded&&this.resetPolicy&&this.retrier.resetRetryPolicy()}}const{assertPositive:wt,assertString:gt,assertFunction:yt,assertNumber:vt}=f,{isNil:kt}=n,xt="!#@%$&^*";class bt{static naming(t){const e=new bt;return e.name(t),e}static infinite(){const t=new bt;return t.infinite(),t}static times(t){const e=new bt;return e.times(t),e}static maxRetries(t){const e=new bt;return e.maxRetries(t),e}static min(t){const e=new bt;return e.min(t),e}static max(t){const e=new bt;return e.max(t),e}static range(t,e){const r=new bt;return r.range(t,e),r}static fixedInterval(t){const e=new bt;return e.fixedInterval(t),e}static fixedBackoff(t,e=500){const r=new bt;return r.fixedBackoff(t,e),r}static fixedIncrease(t){const e=new bt;return e.fixedIncrease(t),e}static linearBackoff(t,e=500){const r=new bt;return r.linearBackoff(t,e),r}static factorIncrease(t){const e=new bt;return e.factorIncrease(t),e}static exponentialBackoff(t=500){const e=new bt;return e.exponentialBackoff(t),e}static shuttleInterval(t){const e=new bt;return e.shuttleInterval(t),e}static timeout(t){const e=new bt;return e.timeout(t),e}static taskTimeout(t){const e=new bt;return e.taskTimeout(t),e}static start(t){const e=new bt;return e.task(t),e.start()}constructor(t){K.mixin(this),this._policy=new Z(t??1e3),this._maxRetries=3,this._currentRetries=1,this._timeout=12e4,this._taskTimeout=2e3,this._name="unamed",this._taskingFlag=void 0,this._breakFlag=void 0,this._breakReason=void 0}get running(){return!kt(this._taskingFlag)}name(t){return gt(t,"name"),this._assertChangeable(t),this._name=t,this}infinite(){return this._assertChangeable("infinite"),this._maxRetries=1/0,this}times(t){return this._assertChangeable("times"),this.maxRetries(t)}maxRetries(t){return wt(t,"maxRetries"),this._assertChangeable("maxRetries"),this._maxRetries=t,this}min(t){return this._assertChangeable("min"),this._policy.min(t),this}max(t){return this._assertChangeable("max"),this._policy.max(t),this}range(t,e){return this._assertChangeable("range"),this._policy.range(t,e),this}fixedInterval(t){this._assertChangeable("fixedInterval");const e=this._policy;if(e instanceof Z)return e.interval=t,this;const r=new Z(t);return e?.copyPolicySettingTo(r),r.reset(),this._policy=r,this}fixedBackoff(t,e=500){this._assertChangeable("fixedBackoff");const r=this._policy;if(r instanceof Z)return r.interval=t,r.jitter=e,this;const n=new ot(t,e);return r?.copyPolicySettingTo(n),n.reset(),this._policy=n,this}fixedIncrease(t){this._assertChangeable("fixedIncrease");const e=this._policy;if(e instanceof et)return e.increasement=t,this;const r=new et(t);return e?.copyPolicySettingTo(r),r.reset(),this._policy=r,this}linearBackoff(t,e=500){this._assertChangeable("linearBackoff");const r=this._policy;if(r instanceof ht)return r.increasement=t,r.jitter=e,this;const n=new ht(t,e);return r?.copyPolicySettingTo(n),n.reset(),this._policy=n,this}factorIncrease(t){this._assertChangeable("factorIncrease");const e=this._policy;if(e instanceof nt)return e.factor=t,this;const r=new nt(t);return e?.copyPolicySettingTo(r),r.reset(),this._policy=r,this}exponentialBackoff(t=500){this._assertChangeable("exponentialBackoff");const e=this._policy;if(e instanceof lt)return e.jitter=t,this;const r=new lt(t);return e?.copyPolicySettingTo(r),r.reset(),this._policy=r,this}shuttleInterval(t){this._assertChangeable("shuttleInterval");const e=this._policy;if(e instanceof it)return e.stepLength=t,this;const r=new it(t);return e?.copyPolicySettingTo(r),r.reset(),this._policy=r,this}taskTimeout(t){return wt(t,"taskTimeout"),this._assertChangeable("taskTimeout"),this._taskTimeout=t,this}timeout(t){return vt(t,"timeout"),this._assertChangeable("timeout"),this._timeout=t,this}noTimeout(){return this._assertChangeable("noTimeout"),this._timeout=0,this}task(t){return yt(t,"task"),this._assertChangeable("task"),this._task=new _t(this,t),this}retry(t){return this._assertChangeable("retry"),this.task(t),this}always(t,e=!0){return this._assertChangeable("always"),this._task=new dt(this,t,e),this}forever(t,e=!0){return this._assertChangeable("forever"),this.noTimeout(),this.infinite(),this._task=new pt(this,t,e),this}async start(){if(null==this._task)throw new Error("No Task to Retry");return null!=this._taskingFlag||(this._taskingFlag=y.defer(),pt.isForeverTask(this._task)?(this._executeForeverTask(this._task),this._taskingFlag.resolve()):this._executeEndableTask(this._task)),this._taskingFlag.promise}wakeup(){this.running?null!=this._sleepWaiter&&this._sleepWaiter.wakeup():this.start()}async stop(t){if(this.emit(Q.Stop,t),null!=this._taskingFlag)return null!=this._breakFlag||(null!=this._sleepWaiter&&this._sleepWaiter.wakeup(),this._breakFlag=y.defer(),this._breakReason=t??new Error("Manually Stop"),this.once(Q.Completed,()=>{this._breakFlag?.resolve()}),this._breakFlag.promise.finally(()=>{this._breakFlag=void 0,this._breakReason=void 0,this._taskingFlag=void 0})),this._breakFlag.promise}resetRetryPolicy(){this._policy.reset()}onRetry(t){return this.on(Q.Retry,t),this}onError(t){return this.on(Q.Error,t),this}onFailure(t){return this.on(Q.Failure,t),this}onSuccess(t){return this.on(Q.Success,t),this}onStart(t){return this.on(Q.Start,t),this}onStop(t){return this.on(Q.Stop,t),this}onTimeout(t){return this.on(Q.Timeout,t),this}onTaskTimeout(t){return this.on(Q.TaskTimeout,t),this}onCompleted(t){return this.on(Q.Completed,t),this}onMaxRetries(t){return this.on(Q.MaxRetries,t),this}async _executeForeverTask(t){if(null==this._taskingFlag)throw new Error("Must be called in start()");const e=Date.now();this.emit(Q.Start,e);let r=null;for(;;){if(null!=this._breakFlag){const t=Date.now()-e;this.emit(Q.Completed,this._currentRetries,t);break}r=Date.now()-e,this.emit(Q.Retry,this._currentRetries,r);const n=this._policy.generate(this._currentRetries);try{try{await y.timeout(t.execute(this._currentRetries,r,n),this._taskTimeout,xt)}catch(t){throw t.message===xt&&this.emit(Q.TaskTimeout,this._currentRetries,r,this._taskTimeout),t}if(t.failed)throw t.error;const e=t.result;this.emit(Q.Success,e,this._currentRetries,r)}catch(t){this.emit(Q.Failure,t,this._currentRetries,r)}++this._currentRetries,this._sleepWaiter=y.wait(n),await this._sleepWaiter.promise}}async _executeEndableTask(t){if(null==this._taskingFlag)throw new Error("Must be called in start()");const e=Date.now();let r;this.emit(Q.Start,e);let n=null;for(;;){if(null!=this._breakFlag){this._taskingFlag.reject(this._breakReason??new Error("Have Been Broken"));break}if(n=Date.now()-e,!Et(this._timeout)&&n>=this._timeout){if(this.emit(Q.Timeout,this._currentRetries,n,this._timeout),dt.isAlwaysTask(this._task)){this._taskingFlag.resolve();break}this._taskingFlag.reject(r??new Error(`Timeout "${this._timeout}" Exceeded`));break}this.emit(Q.Retry,this._currentRetries,n);const s=this._policy.generate(this._currentRetries);try{try{await y.timeout(t.execute(this._currentRetries,n,s),this._taskTimeout,xt)}catch(t){throw t.message===xt&&this.emit(Q.TaskTimeout,this._currentRetries,n,this._taskTimeout),t}if(t.failed)throw r=t.error,t.error;const e=t.result;if(this.emit(Q.Success,e,this._currentRetries,n),!dt.isAlwaysTask(t)){this._taskingFlag.resolve(e);break}}catch(t){this.emit(Q.Failure,t,this._currentRetries,n)}const i=++this._currentRetries;if(this._currentRetries>this._maxRetries){if(this.emit(Q.MaxRetries,i,this._maxRetries),dt.isAlwaysTask(t)){this._taskingFlag.resolve();break}this._taskingFlag.reject(r??new Error(`Max Retries Exceeded, Retring ${this._currentRetries} times > max ${this._maxRetries}`));break}this._sleepWaiter=y.wait(s),await this._sleepWaiter.promise}if(this._taskingFlag.promise.finally(()=>{this.resetRetryPolicy(),this._taskingFlag=void 0;const t=Date.now()-e;this.emit(Q.Completed,this._currentRetries,t)}),!dt.isAlwaysTask(this._task))return this._taskingFlag.promise}_assertChangeable(t){if(null!=this._taskingFlag)throw new Error(`No Change "${t}" After Retrier Started`)}}function Et(t){return t<=0||t===1/0}function Lt(t){const e=new bt;return e.name(t),e}function Nt(){const t=new bt;return t.infinite(),t}function Tt(t){const e=new bt;return e.times(t),e}function St(t){const e=new bt;return e.maxRetries(t),e}function It(t){const e=new bt;return e.min(t),e}function Ft(t){const e=new bt;return e.max(t),e}function Rt(t,e){const r=new bt;return r.range(t,e),r}function $t(t){const e=new bt;return e.fixedInterval(t),e}function At(t,e=500){const r=new bt;return r.fixedBackoff(t,e),r}function Pt(t){const e=new bt;return e.fixedIncrease(t),e}function jt(t,e=500){const r=new bt;return r.linearBackoff(t,e),r}function Ot(t){const e=new bt;return e.factorIncrease(t),e}function Ct(t=500){const e=new bt;return e.exponentialBackoff(t),e}function Mt(t){const e=new bt;return e.shuttleInterval(t),e}function Bt(t){const e=new bt;return e.timeout(t),e}function Dt(t){const e=new bt;return e.taskTimeout(t),e}function Ut(t){const e=new bt;return e.task(t),e.start()}var Wt={retry:function(t){const e=new bt;return e.retry(t),e},always:function(t){const e=new bt;return e.always(t),e},forever:function(t){const e=new bt;return e.forever(t),e},name:Lt,infinite:Nt,times:Tt,maxRetries:St,min:It,max:Ft,range:Rt,fixedInterval:$t,fixedBackoff:At,fixedIncrease:Pt,linearBackoff:jt,factorIncrease:Ot,exponentialBackoff:Ct,shuttleInterval:Mt,timeout:Bt,taskTimeout:Dt,start:Ut};r(bt,Wt);var zt={Policy:N,Retrier:bt,Event:Q,RetrierFactory:Wt,...Wt};t.Event=Q,t.Policy=N,t.Retrier=bt,t.RetrierFactory=Wt,t.default=zt,t.exponentialBackoff=Ct,t.factorIncrease=Ot,t.fixedBackoff=At,t.fixedIncrease=Pt,t.fixedInterval=$t,t.infinite=Nt,t.linearBackoff=jt,t.max=Ft,t.maxRetries=St,t.min=It,t.name=Lt,t.range=Rt,t.shuttleInterval=Mt,t.start=Ut,t.taskTimeout=Dt,t.timeout=Bt,t.times=Tt,Object.defineProperty(t,"__esModule",{value:!0})});
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