@sumologic/opentelemetry-rum/dist/browser.js

Adds OpenTelemetry tracing auto-instrumentation in the browser. Collects spans on network events and sends them to Sumo Logic.

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duration(){return this._duration}get ended(){return this._ended}get droppedAttributesCount(){return this._droppedAttributesCount}get droppedEventsCount(){return this._droppedEventsCount}get droppedLinksCount(){return this._droppedLinksCount}_isSpanEnded(){return this._ended&&gt.warn(`Can not execute the operation on ended Span {traceId: ${this._spanContext.traceId}, spanId: ${this._spanContext.spanId}}`),this._ended}_truncateToLimitUtil(t,e){return t.length<=e?t:t.substr(0,e)}_truncateToSize(t){const e=this._attributeValueLengthLimit;return e<=0?(gt.warn(`Attribute value limit must be positive, got ${e}`),t):"string"==typeof t?this._truncateToLimitUtil(t,e):Array.isArray(t)?t.map((t=>"string"==typeof t?this._truncateToLimitUtil(t,e):t)):t}}var On;!function(t){t[t.NOT_RECORD=0]="NOT_RECORD",t[t.RECORD=1]="RECORD",t[t.RECORD_AND_SAMPLED=2]="RECORD_AND_SAMPLED"}(On||(On={}));class Rn{shouldSample(){return{decision:On.NOT_RECORD}}toString(){return"AlwaysOffSampler"}}class Ln{shouldSample(){return{decision:On.RECORD_AND_SAMPLED}}toString(){return"AlwaysOnSampler"}}class An{constructor(t){var e,n,r,s;this._root=t.root,this._root||(Qt(new Error("ParentBasedSampler must have a root sampler configured")),this._root=new Ln),this._remoteParentSampled=null!==(e=t.remoteParentSampled)&&void 0!==e?e:new Ln,this._remoteParentNotSampled=null!==(n=t.remoteParentNotSampled)&&void 0!==n?n:new Rn,this._localParentSampled=null!==(r=t.localParentSampled)&&void 0!==r?r:new Ln,this._localParentNotSampled=null!==(s=t.localParentNotSampled)&&void 0!==s?s:new Rn}shouldSample(t,e,n,r,s,i){const o=Mt.getSpanContext(t);return o&&et(o)?o.isRemote?o.traceFlags&H.SAMPLED?this._remoteParentSampled.shouldSample(t,e,n,r,s,i):this._remoteParentNotSampled.shouldSample(t,e,n,r,s,i):o.traceFlags&H.SAMPLED?this._localParentSampled.shouldSample(t,e,n,r,s,i):this._localParentNotSampled.shouldSample(t,e,n,r,s,i):this._root.shouldSample(t,e,n,r,s,i)}toString(){return`ParentBased{root=${this._root.toString()}, remoteParentSampled=${this._remoteParentSampled.toString()}, remoteParentNotSampled=${this._remoteParentNotSampled.toString()}, localParentSampled=${this._localParentSampled.toString()}, localParentNotSampled=${this._localParentNotSampled.toString()}}`}}class wn{constructor(t=0){this._ratio=t,this._ratio=this._normalize(t),this._upperBound=Math.floor(4294967295*this._ratio)}shouldSample(t,e){return{decision:J(e)&&this._accumulate(e)<this._upperBound?On.RECORD_AND_SAMPLED:On.NOT_RECORD}}toString(){return`TraceIdRatioBased{${this._ratio}}`}_normalize(t){return"number"!=typeof t||isNaN(t)?0:t>=1?1:t<=0?0:t}_accumulate(t){let e=0;for(let n=0;n<t.length/8;n++){const r=8*n;e=(e^parseInt(t.slice(r,r+8),16))>>>0}return e}}const yn=Ee(),Nn=Zt.AlwaysOn,Pn=1;function Cn(){return{sampler:In(yn),forceFlushTimeoutMillis:3e4,generalLimits:{attributeValueLengthLimit:Ee().OTEL_ATTRIBUTE_VALUE_LENGTH_LIMIT,attributeCountLimit:Ee().OTEL_ATTRIBUTE_COUNT_LIMIT},spanLimits:{attributeValueLengthLimit:Ee().OTEL_SPAN_ATTRIBUTE_VALUE_LENGTH_LIMIT,attributeCountLimit:Ee().OTEL_SPAN_ATTRIBUTE_COUNT_LIMIT,linkCountLimit:Ee().OTEL_SPAN_LINK_COUNT_LIMIT,eventCountLimit:Ee().OTEL_SPAN_EVENT_COUNT_LIMIT,attributePerEventCountLimit:Ee().OTEL_SPAN_ATTRIBUTE_PER_EVENT_COUNT_LIMIT,attributePerLinkCountLimit:Ee().OTEL_SPAN_ATTRIBUTE_PER_LINK_COUNT_LIMIT}}}function In(t=Ee()){switch(t.OTEL_TRACES_SAMPLER){case Zt.AlwaysOn:return new Ln;case Zt.AlwaysOff:return new Rn;case Zt.ParentBasedAlwaysOn:return new An({root:new Ln});case Zt.ParentBasedAlwaysOff:return new An({root:new Rn});case Zt.TraceIdRatio:return new wn(xn(t));case Zt.ParentBasedTraceIdRatio:return new An({root:new wn(xn(t))});default:return gt.error(`OTEL_TRACES_SAMPLER value "${t.OTEL_TRACES_SAMPLER} invalid, defaulting to ${Nn}".`),new Ln}}function xn(t){if(void 0===t.OTEL_TRACES_SAMPLER_ARG||""===t.OTEL_TRACES_SAMPLER_ARG)return gt.error(`OTEL_TRACES_SAMPLER_ARG is blank, defaulting to ${Pn}.`),Pn;const e=Number(t.OTEL_TRACES_SAMPLER_ARG);return isNaN(e)?(gt.error(`OTEL_TRACES_SAMPLER_ARG=${t.OTEL_TRACES_SAMPLER_ARG} was given, but it is invalid, defaulting to ${Pn}.`),Pn):e<0||e>1?(gt.error(`OTEL_TRACES_SAMPLER_ARG=${t.OTEL_TRACES_SAMPLER_ARG} was given, but it is out of range ([0..1]), defaulting to ${Pn}.`),Pn):e}function Mn(t){var e,n,r,s,i,o,a,c,u,l,d,h;const _=Object.assign({},t.spanLimits),p="undefined"!=typeof process&&process&&process.env?me(process.env):me(Jt);return _.attributeCountLimit=null!==(o=null!==(i=null!==(s=null!==(n=null===(e=t.spanLimits)||void 0===e?void 0:e.attributeCountLimit)&&void 0!==n?n:null===(r=t.generalLimits)||void 0===r?void 0:r.attributeCountLimit)&&void 0!==s?s:p.OTEL_SPAN_ATTRIBUTE_COUNT_LIMIT)&&void 0!==i?i:p.OTEL_ATTRIBUTE_COUNT_LIMIT)&&void 0!==o?o:ce,_.attributeValueLengthLimit=null!==(h=null!==(d=null!==(l=null!==(c=null===(a=t.spanLimits)||void 0===a?void 0:a.attributeValueLengthLimit)&&void 0!==c?c:null===(u=t.generalLimits)||void 0===u?void 0:u.attributeValueLengthLimit)&&void 0!==l?l:p.OTEL_SPAN_ATTRIBUTE_VALUE_LENGTH_LIMIT)&&void 0!==d?d:p.OTEL_ATTRIBUTE_VALUE_LENGTH_LIMIT)&&void 0!==h?h:ae,Object.assign({},t,{spanLimits:_})}class Un{constructor(t,e){this._exporter=t,this._isExporting=!1,this._finishedSpans=[],this._droppedSpansCount=0;const n=Ee();this._maxExportBatchSize="number"==typeof(null==e?void 0:e.maxExportBatchSize)?e.maxExportBatchSize:n.OTEL_BSP_MAX_EXPORT_BATCH_SIZE,this._maxQueueSize="number"==typeof(null==e?void 0:e.maxQueueSize)?e.maxQueueSize:n.OTEL_BSP_MAX_QUEUE_SIZE,this._scheduledDelayMillis="number"==typeof(null==e?void 0:e.scheduledDelayMillis)?e.scheduledDelayMillis:n.OTEL_BSP_SCHEDULE_DELAY,this._exportTimeoutMillis="number"==typeof(null==e?void 0:e.exportTimeoutMillis)?e.exportTimeoutMillis:n.OTEL_BSP_EXPORT_TIMEOUT,this._shutdownOnce=new Sn(this._shutdown,this),this._maxExportBatchSize>this._maxQueueSize&&(gt.warn("BatchSpanProcessor: maxExportBatchSize must be smaller or equal to maxQueueSize, setting maxExportBatchSize to match maxQueueSize"),this._maxExportBatchSize=this._maxQueueSize)}forceFlush(){return this._shutdownOnce.isCalled?this._shutdownOnce.promise:this._flushAll()}onStart(t,e){}onEnd(t){this._shutdownOnce.isCalled||0!=(t.spanContext().traceFlags&H.SAMPLED)&&this._addToBuffer(t)}shutdown(){return this._shutdownOnce.call()}_shutdown(){return Promise.resolve().then((()=>this.onShutdown())).then((()=>this._flushAll())).then((()=>this._exporter.shutdown()))}_addToBuffer(t){if(this._finishedSpans.length>=this._maxQueueSize)return 0===this._droppedSpansCount&&gt.debug("maxQueueSize reached, dropping spans"),void this._droppedSpansCount++;this._droppedSpansCount>0&&(gt.warn(`Dropped ${this._droppedSpansCount} spans because maxQueueSize reached`),this._droppedSpansCount=0),this._finishedSpans.push(t),this._maybeStartTimer()}_flushAll(){return new Promise(((t,e)=>{const n=[];for(let t=0,e=Math.ceil(this._finishedSpans.length/this._maxExportBatchSize);t<e;t++)n.push(this._flushOneBatch());Promise.all(n).then((()=>{t()})).catch(e)}))}_flushOneBatch(){return this._clearTimer(),0===this._finishedSpans.length?Promise.resolve():new Promise(((t,e)=>{const n=window.setTimeout((()=>{e(new Error("Timeout"))}),this._exportTimeoutMillis);Tt.with(function(t){return t.setValue(kt,!0)}(Tt.active()),(()=>{const r=this._finishedSpans.splice(0,this._maxExportBatchSize),s=()=>this._exporter.export(r,(r=>{var s;clearTimeout(n),r.code===Be.SUCCESS?t():e(null!==(s=r.error)&&void 0!==s?s:new Error("BatchSpanProcessor: span export failed"))})),i=r.map((t=>t.resource)).filter((t=>t.asyncAttributesPending));0===i.length?s():Promise.all(i.map((t=>{var e;return null===(e=t.waitForAsyncAttributes)||void 0===e?void 0:e.call(t)}))).then(s,(t=>{Qt(t),e(t)}))}))}))}_maybeStartTimer(){if(this._isExporting)return;const t=()=>{this._isExporting=!0,this._flushOneBatch().finally((()=>{this._isExporting=!1,this._finishedSpans.length>0&&(this._clearTimer(),this._maybeStartTimer())})).catch((t=>{this._isExporting=!1,Qt(t)}))};if(this._finishedSpans.length>=this._maxExportBatchSize)return t();void 0===this._timer&&(this._timer=window.setTimeout((()=>t()),this._scheduledDelayMillis),this._timer)}_clearTimer(){void 0!==this._timer&&(clearTimeout(this._timer),this._timer=void 0)}}class Dn extends Un{constructor(t,e){super(t,e),this.onInit(e)}onInit(t){!0!==(null==t?void 0:t.disableAutoFlushOnDocumentHide)&&"undefined"!=typeof document&&(this._visibilityChangeListener=()=>{"hidden"===document.visibilityState&&this.forceFlush()},this._pageHideListener=()=>{this.forceFlush()},document.addEventListener("visibilitychange",this._visibilityChangeListener),document.addEventListener("pagehide",this._pageHideListener))}onShutdown(){"undefined"!=typeof document&&(this._visibilityChangeListener&&document.removeEventListener("visibilitychange",this._visibilityChangeListener),this._pageHideListener&&document.removeEventListener("pagehide",this._pageHideListener))}}class kn{constructor(){this.generateTraceId=Hn(16),this.generateSpanId=Hn(8)}}const Bn=Array(32);function Hn(t){return function(){for(let e=0;e<2*t;e++)Bn[e]=Math.floor(16*Math.random())+48,Bn[e]>=58&&(Bn[e]+=39);return String.fromCharCode.apply(null,Bn.slice(0,2*t))}}class jn{constructor(t,e,n){this._tracerProvider=n;const r=function(t){const e={sampler:In()},n=Cn(),r=Object.assign({},n,e,t);return r.generalLimits=Object.assign({},n.generalLimits,t.generalLimits||{}),r.spanLimits=Object.assign({},n.spanLimits,t.spanLimits||{}),r}(e);this._sampler=r.sampler,this._generalLimits=r.generalLimits,this._spanLimits=r.spanLimits,this._idGenerator=e.idGenerator||new kn,this.resource=n.resource,this.instrumentationLibrary=t}startSpan(t,e={},n=Tt.active()){var r,s,i;e.root&&(n=Mt.deleteSpan(n));const o=Mt.getSpan(n);if(Bt(n)){gt.debug("Instrumentation suppressed, returning Noop Span");return Mt.wrapSpanContext(V)}const a=null==o?void 0:o.spanContext(),c=this._idGenerator.generateSpanId();let u,l,d;a&&Mt.isSpanContextValid(a)?(u=a.traceId,l=a.traceState,d=a.spanId):u=this._idGenerator.generateTraceId();const h=null!==(r=e.kind)&&void 0!==r?r:lt.INTERNAL,_=(null!==(s=e.links)&&void 0!==s?s:[]).map((t=>({context:t.context,attributes:zt(t.attributes)}))),p=zt(e.attributes),m=this._sampler.shouldSample(n,u,t,h,p,_);l=null!==(i=m.traceState)&&void 0!==i?i:l;const E={traceId:u,spanId:c,traceFlags:m.decision===ut.RECORD_AND_SAMPLED?H.SAMPLED:H.NONE,traceState:l};if(m.decision===ut.NOT_RECORD){gt.debug("Recording is off, propagating context in a non-recording span");return Mt.wrapSpanContext(E)}const T=zt(Object.assign(p,m.attributes));return new bn(this,n,t,E,h,d,_,e.startTime,void 0,T)}startActiveSpan(t,e,n,r){let s,i,o;if(arguments.length<2)return;2===arguments.length?o=e:3===arguments.length?(s=e,o=n):(s=e,i=n,o=r);const a=null!=i?i:Tt.active(),c=this.startSpan(t,s,a),u=Mt.setSpan(a,c);return Tt.with(u,o,void 0,c)}getGeneralLimits(){return this._generalLimits}getSpanLimits(){return this._spanLimits}getActiveSpanProcessor(){return this._tracerProvider.getActiveSpanProcessor()}}function Fn(t,e,n,r){return new(n||(n=Promise))((function(s,i){function o(t){try{c(r.next(t))}catch(t){i(t)}}function a(t){try{c(r.throw(t))}catch(t){i(t)}}function c(t){var e;t.done?s(t.value):(e=t.value,e instanceof n?e:new n((function(t){t(e)}))).then(o,a)}c((r=r.apply(t,e||[])).next())}))}class Vn{constructor(t,e){var n;this._attributes=t,this.asyncAttributesPending=null!=e,this._syncAttributes=null!==(n=this._attributes)&&void 0!==n?n:{},this._asyncAttributesPromise=null==e?void 0:e.then((t=>(this._attributes=Object.assign({},this._attributes,t),this.asyncAttributesPending=!1,t)),(t=>(gt.debug("a resource's async attributes promise rejected: %s",t),this.asyncAttributesPending=!1,{})))}static empty(){return Vn.EMPTY}static default(){return new Vn({[Re.SERVICE_NAME]:"unknown_service",[Re.TELEMETRY_SDK_LANGUAGE]:Ae[Re.TELEMETRY_SDK_LANGUAGE],[Re.TELEMETRY_SDK_NAME]:Ae[Re.TELEMETRY_SDK_NAME],[Re.TELEMETRY_SDK_VERSION]:Ae[Re.TELEMETRY_SDK_VERSION]})}get attributes(){var t;return this.asyncAttributesPending&&gt.error("Accessing resource attributes before async attributes settled"),null!==(t=this._attributes)&&void 0!==t?t:{}}waitForAsyncAttributes(){return Fn(this,void 0,void 0,(function*(){this.asyncAttributesPending&&(yield this._asyncAttributesPromise)}))}merge(t){var e;if(!t)return this;const n=Object.assign(Object.assign({},this._syncAttributes),null!==(e=t._syncAttributes)&&void 0!==e?e:t.attributes);if(!this._asyncAttributesPromise&&!t._asyncAttributesPromise)return new Vn(n);const r=Promise.all([this._asyncAttributesPromise,t._asyncAttributesPromise]).then((([e,n])=>{var r;return Object.assign(Object.assign(Object.assign(Object.assign({},this._syncAttributes),e),null!==(r=t._syncAttributes)&&void 0!==r?r:t.attributes),n)}));return new Vn(n,r)}}Vn.EMPTY=new Vn({});class Gn{constructor(t){this._spanProcessors=t}forceFlush(){const t=[];for(const e of this._spanProcessors)t.push(e.forceFlush());return new Promise((e=>{Promise.all(t).then((()=>{e()})).catch((t=>{Qt(t||new Error("MultiSpanProcessor: forceFlush failed")),e()}))}))}onStart(t,e){for(const n of this._spanProcessors)n.onStart(t,e)}onEnd(t){for(const e of this._spanProcessors)e.onEnd(t)}shutdown(){const t=[];for(const e of this._spanProcessors)t.push(e.shutdown());return new Promise(((e,n)=>{Promise.all(t).then((()=>{e()}),n)}))}}class $n{onStart(t,e){}onEnd(t){}shutdown(){return Promise.resolve()}forceFlush(){return Promise.resolve()}}var Xn,zn;!function(t){t[t.resolved=0]="resolved",t[t.timeout=1]="timeout",t[t.error=2]="error",t[t.unresolved=3]="unresolved"}(Xn||(Xn={}));class qn{constructor(t={}){var e;this._registeredSpanProcessors=[],this._tracers=new Map;const n=function(...t){let e=t.shift();const n=new WeakMap;for(;t.length>0;)e=hn(e,t.shift(),0,n);return e}({},Cn(),Mn(t));this.resource=null!==(e=n.resource)&&void 0!==e?e:Vn.empty(),this.resource=Vn.default().merge(this.resource),this._config=Object.assign({},n,{resource:this.resource});const r=this._buildExporterFromEnv();if(void 0!==r){const t=new Dn(r);this.activeSpanProcessor=t}else this.activeSpanProcessor=new $n}getTracer(t,e,n){const r=`${t}@${e||""}:${(null==n?void 0:n.schemaUrl)||""}`;return this._tracers.has(r)||this._tracers.set(r,new jn({name:t,version:e,schemaUrl:null==n?void 0:n.schemaUrl},this._config,this)),this._tracers.get(r)}addSpanProcessor(t){0===this._registeredSpanProcessors.length&&this.activeSpanProcessor.shutdown().catch((t=>gt.error("Error while trying to shutdown current span processor",t))),this._registeredSpanProcessors.push(t),this.activeSpanProcessor=new Gn(this._registeredSpanProcessors)}getActiveSpanProcessor(){return this.activeSpanProcessor}register(t={}){Mt.setGlobalTracerProvider(this),void 0===t.propagator&&(t.propagator=this._buildPropagatorFromEnv()),t.contextManager&&Tt.setGlobalContextManager(t.contextManager),t.propagator&&Ct.setGlobalPropagator(t.propagator)}forceFlush(){const t=this._config.forceFlushTimeoutMillis,e=this._registeredSpanProcessors.map((e=>new Promise((n=>{let r;const s=setTimeout((()=>{n(new Error(`Span processor did not completed within timeout period of ${t} ms`)),r=Xn.timeout}),t);e.forceFlush().then((()=>{clearTimeout(s),r!==Xn.timeout&&(r=Xn.resolved,n(r))})).catch((t=>{clearTimeout(s),r=Xn.error,n(t)}))}))));return new Promise(((t,n)=>{Promise.all(e).then((e=>{const r=e.filter((t=>t!==Xn.resolved));r.length>0?n(r):t()})).catch((t=>n([t])))}))}shutdown(){return this.activeSpanProcessor.shutdown()}_getPropagator(t){var e;return null