zipkin - npm Package Compare versions

Comparing version 0.20.0-alpha.1 to 0.20.0

dist/zipkin.min.js

@@ -1,1 +0,1 @@
-!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports):"function"==typeof define&&define.amd?define(["exports"],e):e(t.Zipkin={})}(this,function(t){"use strict";function e(t){return(e="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function n(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function r(t,e){for(var n=0;e.length>n;n++){var r=e[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}function o(t,e,n){return e&&r(t.prototype,e),n&&r(t,n),t}function i(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function");t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,writable:!0,configurable:!0}}),e&&s(t,e)}function 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Ut={Endpoint:Ct,Span:Nt},xt=p.None,Bt=p.Some,Lt=wt.Sampler,Mt=wt.alwaysSample,jt=Ot.now,Dt=Ot.hrtime,Yt=Ut.Endpoint;function qt(t){throw Error("Tracer: Missing required argument ".concat(t,"."))}function Ft(t){return null==t}var zt=function(){function t(e){var r=e.ctxImpl,o=void 0===r?qt("ctxImpl"):r,i=e.recorder,a=void 0===i?qt("recorder"):i,s=e.sampler,u=void 0===s?new Lt(Mt):s,c=e.traceId128Bit,h=void 0!==c&&c,f=e.supportsJoin,p=void 0===f||f,l=e.localServiceName,d=e.localEndpoint,v=e.log,m=void 0===v?console:v,g=e.defaultTags;n(this,t),this.log=m,this.recorder=a,this.sampler=u,this.traceId128Bit=h,this.supportsJoin=p,this._localEndpoint=d||new Yt({serviceName:l||"unknown"}),this._ctxImpl=o,this._sentinelTraceId=this.createRootId(),this._startTimestamp=jt(),this._startTick=Dt(),this.recorder.setDefaultTags&&this.recorder.setDefaultTags(g)}return o(t,[{key:"scoped",value:function(t){return this._ctxImpl.scoped(t)}},{key:"letId",value:function(t,e){return this._ctxImpl.letContext(t,e)}},{key:"createRootId",value:function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:xt,e=arguments.length>1&&void 0!==arguments[1]&&arguments[1],n=kt(),r=this.traceId128Bit?kt()+n:n,o=new _t({traceId:r,parentId:xt,spanId:n,sampled:t,flags:e?1:0});return t===xt&&(o._sampled=this.sampler.shouldSample(o)),o}},{key:"createChildId",value:function(t){if(Ft(t)&&(t=this._ctxImpl.getContext()),t===this._sentinelTraceId||Ft(t))return this.createRootId();var e=new _t({traceId:t.traceId,parentId:new Bt(t.spanId),spanId:kt(),debug:t.isDebug(),sampled:t.sampled});return!1===e.sampled.present&&(e._sampled=this.sampler.shouldSample(e)),e}},{key:"_explicitRecord",value:function(t,e){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:jt(this._startTimestamp,this._startTick);this.recorder.record(new Et({traceId:t,timestamp:n,annotation:e}))}},{key:"local",value:function(t,e){var n=this;if("function"!=typeof e)throw Error("you must pass a function");return this.scoped(function(){var r,o=n.createChildId();n.setId(o),n.recordServiceName(n._localEndpoint.serviceName),n.recordAnnotation(new lt.LocalOperationStart(t));try{r=e()}catch(t){throw n.recordBinary("error",t.message?t.message:""+t),n.recordAnnotation(new lt.LocalOperationStop),t}return dt(r)?o.sampled.getOrElse(!1)?r.then(function(t){return n._explicitRecord(o,new lt.LocalOperationStop),t}).catch(function(t){throw n._explicitRecord(o,new lt.BinaryAnnotation("error",t.message?t.message:""+t)),n._explicitRecord(o,new lt.LocalOperationStop),t}):r:(n.recordAnnotation(new lt.LocalOperationStop),r)})}},{key:"join",value:function(t){if(Ft(t))throw Error("traceId is a required arg");if(Ft(t._spanId))throw Error("Must be valid TraceId instance");return this.supportsJoin?(t.sampled===xt?t._sampled=this.sampler.shouldSample(t):t._shared=!0,t):this.createChildId(t)}},{key:"setId",value:function(t){this._ctxImpl.setContext(t)}},{key:"recordAnnotation",value:function(t,e){this.id.sampled.getOrElse(!1)&&this._explicitRecord(this.id,t,e)}},{key:"recordMessage",value:function(t){this.recordAnnotation(new lt.Message(t))}},{key:"recordServiceName",value:function(t){this.recordAnnotation(new lt.ServiceName(t))}},{key:"recordRpc",value:function(t){this.recordAnnotation(new lt.Rpc(t))}},{key:"recordClientAddr",value:function(t){this.recordAnnotation(new lt.ClientAddr(t))}},{key:"recordServerAddr",value:function(t){this.recordAnnotation(new lt.ServerAddr(t))}},{key:"recordLocalAddr",value:function(t){this.recordAnnotation(new lt.LocalAddr(t))}},{key:"recordBinary",value:function(t,e){this.recordAnnotation(new lt.BinaryAnnotation(t,e))}},{key:"writeIdToConsole",value:function(t){this.log.info("".concat(t,": ").concat(""+this.id))}},{key:"setTags",value:function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};for(var e in t)Object.prototype.hasOwnProperty.call(t,e)&&this.recordBinary(e,t[e])}},{key:"id",get:function(){return this._ctxImpl.getContext()||this._sentinelTraceId}},{key:"localEndpoint",get:function(){return this._localEndpoint}}]),t}(),Kt=function(){function t(){n(this,t),this.currentCtx=null}return o(t,[{key:"setContext",value:function(t){this.currentCtx=t}},{key:"getContext",value:function(){return this.currentCtx}},{key:"scoped",value:function(t){var e=this.getContext();try{return t()}finally{this.setContext(e)}}},{key:"letContext",value:function(t,e){var n=this;return this.scoped(function(){return n.setContext(t),e()})}}]),t}(),Ht={TraceId:"X-B3-TraceId",SpanId:"X-B3-SpanId",ParentSpanId:"X-B3-ParentSpanId",Sampled:"X-B3-Sampled",Flags:"X-B3-Flags"},Vt=Ot.now,Jt=Ut.Span,Xt=Ut.Endpoint,Zt=6e7,$t=Symbol("defaultTags");var Gt=function(){function t(e,r){n(this,t),this.traceId=e,this.timeoutTimestamp=r,this.delegate=new Jt(e),this.localEndpoint=new Xt({}),this.shouldFlush=!1}return o(t,[{key:"setDuration",value:function(t){if(!this.shouldFlush){this.shouldFlush=!0;var e=this.delegate.timestamp;void 0===e?this.delegate.addAnnotation(t,"finish"):this.delegate.setDuration(t-e)}}}]),t}(),Qt=function(){function t(e){var r=this,o=e.logger,i=e.timeout,a=void 0===i?Zt:i;n(this,t),this.logger=o,this.timeout=a,this.partialSpans=new Map,this[$t]={};var s=setInterval(function(){r.partialSpans.forEach(function(t,e){(function(t){return t.timeoutTimestamp<Vt()})(t)&&(t.delegate.addAnnotation(Vt(),"zipkin-js.flush"),r._writeSpan(e,t))})},1e3);s.unref&&s.unref()}return o(t,[{key:"_addDefaultTagsAndLocalEndpoint",value:function(t){var e=this[$t];for(var n in e)Object.prototype.hasOwnProperty.call(e,n)&&t.delegate.putTag(n,e[n]);t.delegate.setLocalEndpoint(t.localEndpoint)}},{key:"_writeSpan",value:function(t,e){if(arguments.length>2&&void 0!==arguments[2]&&arguments[2]||"undefined"!==this.partialSpans.get(t)){this.partialSpans.delete(t);var n=e.delegate;e.delegate.timestamp&&this._addDefaultTagsAndLocalEndpoint(e),this.logger.logSpan(n)}}},{key:"_updateSpanMap",value:function(t,e,n){var r,o=!1;this.partialSpans.has(t)?r=this.partialSpans.get(t):(o=!0,r=new Gt(t,e+this.timeout)),n(r),r.shouldFlush?this._writeSpan(t,r,o):this.partialSpans.set(t,r)}},{key:"flush",value:function(){var t=this;this.partialSpans.forEach(function(e,n){t._writeSpan(n,e)})}},{key:"record",value:function(t){var e=t.traceId;this._updateSpanMap(e,t.timestamp,function(n){switch(t.annotation.annotationType){case"ClientAddr":n.delegate.setKind("SERVER"),n.delegate.setRemoteEndpoint(new 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pt(t,e){this.key=t,this.value=e}it.prototype.toString=function(){return'Message("'.concat(this.message,'")')},at.prototype.toString=function(){return'ServiceName("'.concat(this.serviceName,'")')},st.prototype.toString=function(){return'Rpc("'.concat(this.name,'")')},ut.prototype.toString=function(){return'ClientAddr(host="'.concat(this.host,'", port=').concat(this.port,")")},ct.prototype.toString=function(){return'ServerAddr(serviceName="'.concat(this.serviceName,'", host="').concat(this.host,'", port=').concat(this.port,")")},ht.prototype.toString=function(){return'LocalAddr(host="'.concat(""+this.host,'", port=').concat(this.port,")")},ft.prototype.toString=function(){return'MessageAddr(serviceName="'.concat(this.serviceName,'", host="').concat(this.host,'", port=').concat(this.port,")")},pt.prototype.toString=function(){return"BinaryAnnotation(".concat(this.key,'="').concat(this.value,'")')};var lt={ClientSend:Z,ClientRecv:$,ServerSend:G,ServerRecv:Q,ProducerStart:W,ProducerStop:tt,ConsumerStart:et,ConsumerStop:nt,MessageAddr:ft,Message:it,ServiceName:at,Rpc:st,ClientAddr:ut,ServerAddr:ct,LocalAddr:ht,BinaryAnnotation:pt,LocalOperationStart:rt,LocalOperationStop:ot};Object.keys(lt).forEach(function(t){lt[t].prototype.annotationType=t});var dt=lt,vt=function(t){return!!t&&("object"==typeof t||"function"==typeof t)&&"function"==typeof t.then};var mt=p.Some,gt=function(){function t(e){n(this,t),this.evaluator=e}return o(t,[{key:"shouldSample",value:function(t){var e=this,n=t.sampled.getOrElse(function(){return e.evaluator(t)});return new mt(n)}},{key:"toString",value:function(){return"Sampler(".concat(""+this.evaluator,")")}}]),t}();function yt(t){return!1}function wt(t){return!0}yt.toString=function(){return"never sample"},wt.toString=function(){return"always sample"};var Et={Sampler:gt,CountingSampler:function(t){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:1;return n(this,e),u(this,a(e).call(this,function(t){if(t>0){if(1>t){var e=0,n=parseInt(1/t),r=function(t){var r=0==(e%=n);return e+=1,r};return r.toString=function(){return"countingSampler: sampleRate=".concat(t)},r}return wt}return yt}(1>t?t:1)))}return i(e,gt),e}(),neverSample:yt,alwaysSample:wt},It=function(){function t(e){var r=e.traceId,o=e.timestamp,i=e.annotation;n(this,t),this.traceId=r,this.timestamp=o,this.annotation=i}return o(t,[{key:"toString",value:function(){return"Record(traceId=".concat(""+this.traceId,", annotation=").concat(""+this.annotation,")")}}]),t}(),bt=p.None,St=p.verifyIsOptional,At=p.verifyIsNotOptional,Rt=p.isOptional,_t=new(0,p.Some)(!0),kt=function(){function t(e){n(this,t);var r=e.spanId,o=e.traceId,i=void 0===o?r:o,a=e.parentId,s=void 0===a?bt:a,u=e.flags,c=e.debug,h=void 0===c?1===(void 0===u?0:u):c,f=e.sampled,p=void 0===f?bt:f,l=e.shared,d=void 0!==l&&l;At(r),St(s),St(p),this._traceId=Rt(i)?i.getOrElse(r):null==i?r:i,this._parentId=s,this._spanId=r,this._sampled=h?_t:p,this._debug=h,this._shared=d}return o(t,[{key:"isDebug",value:function(){return this._debug}},{key:"isShared",value:function(){return this._shared}},{key:"toString",value:function(){return"TraceId(spanId=".concat(""+this.spanId)+", parentSpanId=".concat(""+this.parentSpanId)+", traceId=".concat(""+this.traceId,")")}},{key:"traceId",get:function(){return this._traceId}},{key:"parentSpanId",get:function(){return this._parentId}},{key:"parentId",get:function(){return this._parentId.getOrElse(this._spanId)}},{key:"spanId",get:function(){return this._spanId}},{key:"sampled",get:function(){return this._sampled}},{key:"flags",get:function(){return this._debug?1:0}}]),t}();var Tt=function(){for(var t="",e=0;16>e;e+=1)t+="0123456789abcdef"[Math.floor(16*Math.random())];return t},Ot=void 0!==j&&j.hrtime;var Ct={now:Ot?function(t,e){if(t&&e){var n=j.hrtime(e);return t+Math.floor(1e6*n[0]+n[1]/1e3)}return 1e3*Date.now()}:function(){return 1e3*Date.now()},hrtime:Ot?function(){return j.hrtime()}:function(){}};function Pt(t){var e=t.ipv4,n=t.port;this.setServiceName(t.serviceName),this.setIpv4(e),this.setPort(n)}function Nt(t,e){this.timestamp=t,this.value=""+e}function Ut(t){var e=this;this.traceId=t.traceId,t.parentSpanId.ifPresent(function(t){e.parentId=t}),this.id=t.spanId,this.name=void 0,this.kind=void 0,this.timestamp=void 0,this.duration=void 0,this.localEndpoint=void 0,this.remoteEndpoint=void 0,this.annotations=[],this.tags={},this.debug=t.isDebug(),this.shared=t.isShared()}Pt.prototype.setServiceName=function(t){this.serviceName=t?t.toLocaleLowerCase():void 0},Pt.prototype.setIpv4=function(t){this.ipv4=t},Pt.prototype.setPort=function(t){this.port=t||void 0},Pt.prototype.isEmpty=function(){return void 0===this.serviceName&&void 0===this.ipv4&&void 0===this.port},Nt.prototype.toString=function(){return'Annotation(value="'.concat(this.value,'")')},Ut.prototype.setName=function(t){this.name=t?t.toLocaleLowerCase():void 0},Ut.prototype.setKind=function(t){this.kind=t},Ut.prototype.setTimestamp=function(t){this.timestamp=t},Ut.prototype.setDuration=function(t){void 0!==t&&(this.duration=Math.max(t,1))},Ut.prototype.setLocalEndpoint=function(t){this.localEndpoint=t&&!t.isEmpty()?t:void 0},Ut.prototype.setRemoteEndpoint=function(t){this.remoteEndpoint=t&&!t.isEmpty()?t:void 0},Ut.prototype.addAnnotation=function(t,e){this.annotations.push(new Nt(t,e))},Ut.prototype.putTag=function(t,e){this.tags[t]=""+e},Ut.prototype.setDebug=function(t){this.debug=t},Ut.prototype.setShared=function(t){this.shared=t},Ut.prototype.toString=function(){var t=this.annotations.map(function(t){return""+t}).join(", ");return"Span(id=".concat(this.traceId,", annotations=[").concat(t,"])")};var xt={Endpoint:Pt,Span:Ut},Bt=p.None,Lt=p.Some,Mt=Et.Sampler,jt=Et.alwaysSample,Dt=Ct.now,Yt=Ct.hrtime,qt=xt.Endpoint;function Ft(t){throw Error("Tracer: Missing required argument ".concat(t,"."))}function zt(t){return null==t}var Kt=function(){function t(e){var r=e.ctxImpl,o=void 0===r?Ft("ctxImpl"):r,i=e.recorder,a=void 0===i?Ft("recorder"):i,s=e.sampler,u=void 0===s?new Mt(jt):s,c=e.traceId128Bit,h=void 0!==c&&c,f=e.supportsJoin,p=void 0===f||f,l=e.localServiceName,d=e.localEndpoint,v=e.log,m=void 0===v?console:v,g=e.defaultTags;n(this,t),this.log=m,this.recorder=a,this.sampler=u,this.traceId128Bit=h,this.supportsJoin=p,this._localEndpoint=d||new qt({serviceName:l||"unknown"}),this._ctxImpl=o,this._sentinelTraceId=this.createRootId(),this._startTimestamp=Dt(),this._startTick=Yt(),this.recorder.setDefaultTags&&this.recorder.setDefaultTags(g)}return o(t,[{key:"scoped",value:function(t){return this._ctxImpl.scoped(t)}},{key:"letId",value:function(t,e){return this._ctxImpl.letContext(t,e)}},{key:"createRootId",value:function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:Bt,e=arguments.length>1&&void 0!==arguments[1]&&arguments[1],n=Tt(),r=this.traceId128Bit?Tt()+n:n,o=new kt({traceId:r,parentId:Bt,spanId:n,sampled:t,flags:e?1:0});return t===Bt&&(o._sampled=this.sampler.shouldSample(o)),o}},{key:"createChildId",value:function(t){if(zt(t)&&(t=this._ctxImpl.getContext()),t===this._sentinelTraceId||zt(t))return this.createRootId();var e=new kt({traceId:t.traceId,parentId:new Lt(t.spanId),spanId:Tt(),debug:t.isDebug(),sampled:t.sampled});return!1===e.sampled.present&&(e._sampled=this.sampler.shouldSample(e)),e}},{key:"_explicitRecord",value:function(t,e){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:Dt(this._startTimestamp,this._startTick);this.recorder.record(new It({traceId:t,timestamp:n,annotation:e}))}},{key:"local",value:function(t,e){var n=this;if("function"!=typeof e)throw Error("you must pass a function");return this.scoped(function(){var r,o=n.createChildId();n.setId(o),n.recordServiceName(n._localEndpoint.serviceName),n.recordAnnotation(new dt.LocalOperationStart(t));try{r=e()}catch(t){throw n.recordBinary("error",t.message?t.message:""+t),n.recordAnnotation(new dt.LocalOperationStop),t}return vt(r)?o.sampled.getOrElse(!1)?r.then(function(t){return n._explicitRecord(o,new dt.LocalOperationStop),t}).catch(function(t){throw n._explicitRecord(o,new dt.BinaryAnnotation("error",t.message?t.message:""+t)),n._explicitRecord(o,new dt.LocalOperationStop),t}):r:(n.recordAnnotation(new dt.LocalOperationStop),r)})}},{key:"join",value:function(t){if(zt(t))throw Error("traceId is a required arg");if(zt(t._spanId))throw Error("Must be valid TraceId instance");return this.supportsJoin?(t.sampled===Bt?t._sampled=this.sampler.shouldSample(t):t._shared=!0,t):this.createChildId(t)}},{key:"setId",value:function(t){this._ctxImpl.setContext(t)}},{key:"recordAnnotation",value:function(t,e){this.id.sampled.getOrElse(!1)&&this._explicitRecord(this.id,t,e)}},{key:"recordMessage",value:function(t){this.recordAnnotation(new dt.Message(t))}},{key:"recordServiceName",value:function(t){this.recordAnnotation(new dt.ServiceName(t))}},{key:"recordRpc",value:function(t){this.recordAnnotation(new dt.Rpc(t))}},{key:"recordClientAddr",value:function(t){this.recordAnnotation(new dt.ClientAddr(t))}},{key:"recordServerAddr",value:function(t){this.recordAnnotation(new dt.ServerAddr(t))}},{key:"recordLocalAddr",value:function(t){this.recordAnnotation(new dt.LocalAddr(t))}},{key:"recordBinary",value:function(t,e){this.recordAnnotation(new dt.BinaryAnnotation(t,e))}},{key:"writeIdToConsole",value:function(t){this.log.info("".concat(t,": ").concat(""+this.id))}},{key:"setTags",value:function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};for(var e in t)Object.prototype.hasOwnProperty.call(t,e)&&this.recordBinary(e,t[e])}},{key:"id",get:function(){return this._ctxImpl.getContext()||this._sentinelTraceId}},{key:"localEndpoint",get:function(){return this._localEndpoint}}]),t}(),Ht=function(){function t(){n(this,t),this.currentCtx=null}return o(t,[{key:"setContext",value:function(t){this.currentCtx=t}},{key:"getContext",value:function(){return this.currentCtx}},{key:"scoped",value:function(t){var e=this.getContext();try{return t()}finally{this.setContext(e)}}},{key:"letContext",value:function(t,e){var n=this;return this.scoped(function(){return n.setContext(t),e()})}}]),t}(),Vt={TraceId:"X-B3-TraceId",SpanId:"X-B3-SpanId",ParentSpanId:"X-B3-ParentSpanId",Sampled:"X-B3-Sampled",Flags:"X-B3-Flags"},Jt=Ct.now,Xt=xt.Span,Zt=xt.Endpoint,$t=Symbol("defaultTags");var Gt=function(){function t(e,r){n(this,t),this.traceId=e,this.timeoutTimestamp=r,this.delegate=new Xt(e),this.localEndpoint=new Zt({}),this.shouldFlush=!1}return o(t,[{key:"setDuration",value:function(t){if(!this.shouldFlush){this.shouldFlush=!0;var e=this.delegate.timestamp;void 0===e?this.delegate.addAnnotation(t,"finish"):this.delegate.setDuration(t-e)}}}]),t}(),Qt=6e7,Wt=function(){function t(e){var r=this,o=e.logger,i=e.timeout,a=void 0===i?Qt:i;n(this,t),this.logger=o,this.timeout=a,this.partialSpans=new Map,this[$t]={};var s=setInterval(function(){r.partialSpans.forEach(function(t,e){(function(t){return t.timeoutTimestamp<Jt()})(t)&&(t.delegate.addAnnotation(Jt(),"zipkin-js.flush"),r._writeSpan(e,t))})},1e3);s.unref&&s.unref()}return o(t,[{key:"_addDefaultTagsAndLocalEndpoint",value:function(t){var e=this[$t];for(var n in e)Object.prototype.hasOwnProperty.call(e,n)&&t.delegate.putTag(n,e[n]);t.delegate.setLocalEndpoint(t.localEndpoint)}},{key:"_writeSpan",value:function(t,e){if(arguments.length>2&&void 0!==arguments[2]&&arguments[2]||void 0!==this.partialSpans.get(t)){this.partialSpans.delete(t);var n=e.delegate;e.delegate.timestamp&&this._addDefaultTagsAndLocalEndpoint(e),this.logger.logSpan(n)}}},{key:"_updateSpanMap",value:function(t,e,n){var r,o=!1;this.partialSpans.has(t)?r=this.partialSpans.get(t):(o=!0,r=new Gt(t,e+this.timeout)),n(r),r.shouldFlush?this._writeSpan(t,r,o):this.partialSpans.set(t,r)}},{key:"flush",value:function(){var t=this;this.partialSpans.forEach(function(e,n){t._writeSpan(n,e)})}},{key:"record",value:function(t){var e=t.traceId;this._updateSpanMap(e,t.timestamp,function(n){switch(t.annotation.annotationType){case"ClientAddr":n.delegate.setKind("SERVER"),n.delegate.setRemoteEndpoint(new Zt({serviceName:t.annotation.serviceName,ipv4:t.annotation.host&&t.annotation.host.ipv4(),port:t.annotation.port}));break;case"ClientSend":n.delegate.setKind("CLIENT"),n.delegate.setTimestamp(t.timestamp);break;case"ClientRecv":n.delegate.setKind("CLIENT"),n.setDuration(t.timestamp);break;case"ServerSend":n.delegate.setKind("SERVER"),n.setDuration(t.timestamp);break;case"ServerRecv":n.delegate.setShared(e.isShared()),n.delegate.setKind("SERVER"),n.delegate.setTimestamp(t.timestamp);break;case"ProducerStart":n.delegate.setKind("PRODUCER"),n.delegate.setTimestamp(t.timestamp);break;case"ProducerStop":n.delegate.setKind("PRODUCER"),n.setDuration(t.timestamp);break;case"ConsumerStart":n.delegate.setKind("CONSUMER"),n.delegate.setTimestamp(t.timestamp);break;case"ConsumerStop":n.delegate.setKind("CONSUMER"),n.setDuration(t.timestamp);break;case"MessageAddr":n.delegate.setRemoteEndpoint(new Zt({serviceName:t.annotation.serviceName,ipv4:t.annotation.host&&t.annotation.host.ipv4(),port:t.annotation.port}));break;case"LocalOperationStart":n.delegate.setName(t.annotation.name),n.delegate.setTimestamp(t.timestamp);break;case"LocalOperationStop":n.setDuration(t.timestamp);break;case"Message":n.delegate.addAnnotation(t.timestamp,t.annotation.message);break;case"Rpc":n.delegate.setName(t.annotation.name);break;case"ServiceName":n.localEndpoint.setServiceName(t.annotation.serviceName);break;case"BinaryAnnotation":n.delegate.putTag(t.annotation.key,t.annotation.value);break;case"LocalAddr":n.localEndpoint.setIpv4(t.annotation.host&&t.annotation.host.ipv4()),n.localEndpoint.setPort(t.annotation.port);break;case"ServerAddr":n.delegate.setKind("CLIENT"),n.delegate.setRemoteEndpoint(new Zt({serviceName:t.annotation.serviceName,ipv4:t.annotation.host&&t.annotation.host.ipv4(),port:t.annotation.port}))}})}},{key:"setDefaultTags",value:function(t){this[$t]=t}},{key:"toString",value:function(){return"BatchRecorder()"}}]),t}(),te=function(){function t(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:console.log;n(this,t),this.logger=e}return o(t,[{key:"record",value:function(t){var e=t.traceId,n=e.spanId,r=e.parentId,o=e.traceId;this.logger("Record at (timestamp=".concat(t.timestamp,", spanId=").concat(n,", parentId=").concat(r,", ")+"traceId=".concat(o,"): ").concat(""+t.annotation))}},{key:"toString",value:function(){return"consoleTracer"}}]),t}(),ee=2147483647,ne=36,re=1,oe=26,ie=38,ae=700,se=72,ue=128,ce="-",he=/[^\x20-\x7E]/,fe=/[\x2E\u3002\uFF0E\uFF61]/g,pe={overflow:"Overflow: input needs wider integers to process","not-basic":"Illegal input >= 0x80 (not a basic code point)","invalid-input":"Invalid 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w&&(r.hostname=r.host=y.shift(),(l=!(!r.host||0>=r.host.indexOf("@"))&&r.host.split("@"))&&(r.auth=l.shift(),r.host=r.hostname=l.shift())),r.search=t.search,r.query=t.query,gn(r.pathname)&&gn(r.search)||(r.path=(r.pathname?r.pathname:"")+(r.search?r.search:"")),r.href=r.format(),r;if(!y.length)return r.pathname=null,r.path=r.search?"/"+r.search:null,r.href=r.format(),r;for(var E=y.slice(-1)[0],I=(r.host||t.host||y.length>1)&&("."===E||".."===E)||""===E,b=0,S=y.length;S>=0;S--)"."===(E=y[S])?y.splice(S,1):".."===E?(y.splice(S,1),b++):b&&(y.splice(S,1),b--);if(!m&&!g)for(;b--;b)y.unshift("..");!m||""===y[0]||y[0]&&"/"===y[0].charAt(0)||y.unshift(""),I&&"/"!==y.join("/").substr(-1)&&y.push("");var A=""===y[0]||y[0]&&"/"===y[0].charAt(0);return w&&(r.hostname=r.host=A?"":y.length?y.shift():"",(l=!(!r.host||0>=r.host.indexOf("@"))&&r.host.split("@"))&&(r.auth=l.shift(),r.host=r.hostname=l.shift())),(m=m||r.host&&y.length)&&!A&&y.unshift(""),y.length?r.pathname=y.join("/"):(r.pathname=null,r.path=null),gn(r.pathname)&&gn(r.search)||(r.path=(r.pathname?r.pathname:"")+(r.search?r.search:"")),r.auth=t.auth||r.auth,r.slashes=r.slashes||t.slashes,r.href=r.format(),r},kn.prototype.parseHost=function(){return Kn(this)};var Hn=function(t){var e=_n.parse(t);return{host:e.hostname,path:e.pathname}},Vn=p.Some,Jn=p.None;function Xn(t){return"1"===t||"true"===t}function Zn(t){try{return new Vn(parseInt(t))}catch(t){return Jn}}function $n(t){throw Error("HttpServerInstrumentation: Missing required argument ".concat(t,"."))}var Gn={addZipkinHeaders:function(t,e){var n=function(t,e){var n=t.headers||{};return n[Vt.TraceId]=e.traceId,n[Vt.SpanId]=e.spanId,e.parentSpanId.ifPresent(function(t){n[Vt.ParentSpanId]=t}),e.sampled.ifPresent(function(t){n[Vt.Sampled]=t?"1":"0"}),e.isDebug()&&(n[Vt.Flags]="1"),n}(t,e);return Object.assign({},t,{headers:n})}};var Qn={HttpServer:function(){function t(e){var r=e.tracer,o=void 0===r?$n("tracer"):r,i=e.serviceName,a=void 0===i?o.localEndpoint.serviceName:i,s=e.host,u=e.port,c=void 0===u?$n("port"):u;n(this,t),this.tracer=o,this.serviceName=a,this.host=s&&new J(s),this.port=c}return o(t,[{key:"_createIdFromHeaders",value:function(t){if(function(t){return t(Vt.TraceId)!==Jn&&t(Vt.SpanId)!==Jn}(t)){var e=t(Vt.SpanId).map(function(e){var n=t(Vt.TraceId),r=t(Vt.ParentSpanId),o=t(Vt.Sampled),i=t(Vt.Flags).flatMap(Zn).getOrElse(0);return new kt({traceId:n.getOrElse(),parentId:r,spanId:e,debug:1===i,sampled:o.map(Xn)})});return new Vn(this.tracer.join(e.getOrElse()))}if(t(Vt.Flags)!==Jn||t(Vt.Sampled)!==Jn){var n=t(Vt.Sampled)===Jn?Jn:t(Vt.Sampled).map(Xn),r=t(Vt.Flags).flatMap(Zn).getOrElse(0);return new Vn(this.tracer.createRootId(n,1===r))}return new Vn(this.tracer.createRootId())}},{key:"spanNameFromRoute",value:function(t,e,n){return n>299&&400>n?"".concat(t," redirected"):404===n?"".concat(t," not_found"):e&&""!==e?"".concat(t," ").concat(e):t}},{key:"recordRequest",value:function(t,e,n){var r=this;this._createIdFromHeaders(n).ifPresent(function(t){return r.tracer.setId(t)});var o=this.tracer.id,i=Hn(e).path;return this.tracer.recordServiceName(this.serviceName),this.tracer.recordRpc(t.toUpperCase()),this.tracer.recordBinary("http.path",i),this.tracer.recordAnnotation(new dt.ServerRecv),this.tracer.recordAnnotation(new dt.LocalAddr({host:this.host,port:this.port})),o}},{key:"recordResponse",value:function(t,e,n){this.tracer.setId(t),this.tracer.recordBinary("http.status_code",""+e),n?this.tracer.recordBinary("error",""+n):(200>e||e>399)&&this.tracer.recordBinary("error",""+e),this.tracer.recordAnnotation(new dt.ServerSend)}}]),t}(),HttpClient:function(){function t(e){var r=e.tracer,o=void 0===r?function(t){throw Error("HttpClientInstrumentation: Missing required argument ".concat(t,"."))}("tracer"):r,i=e.serviceName,a=void 0===i?o.localEndpoint.serviceName:i,s=e.remoteServiceName;n(this,t),this.tracer=o,this.serviceName=a,this.remoteServiceName=s}return o(t,[{key:"recordRequest",value:function(t,e,n){this.tracer.setId(this.tracer.createChildId());var r=this.tracer.id,o=Hn(e).path;return this.tracer.recordServiceName(this.serviceName),this.tracer.recordRpc(n.toUpperCase()),this.tracer.recordBinary("http.path",o),this.tracer.recordAnnotation(new dt.ClientSend),this.remoteServiceName&&this.tracer.recordAnnotation(new dt.ServerAddr({serviceName:this.remoteServiceName})),Gn.addZipkinHeaders(t,r)}},{key:"recordResponse",value:function(t,e){this.tracer.setId(t),this.tracer.recordBinary("http.status_code",""+e),(200>e||e>399)&&this.tracer.recordBinary("error",""+e),this.tracer.recordAnnotation(new dt.ClientRecv)}},{key:"recordError",value:function(t,e){this.tracer.setId(t),this.tracer.recordBinary("error",""+e),this.tracer.recordAnnotation(new dt.ClientRecv)}}]),t}()};function Wn(t){if(void 0!==t){var e={serviceName:t.serviceName||""};return t.ipv4&&(e.ipv4=t.ipv4),t.port&&(e.port=t.port),e}}var tr={JSON_V1:{encode:function(t){return function(t){var e={traceId:t.traceId};t.parentId&&(e.parentId=t.parentId),e.id=t.id,e.name=t.name||"",t.shared||(e.timestamp=t.timestamp,e.duration=t.duration);var n,r,o,i=Wn(t.localEndpoint);switch(t.kind){case"CLIENT":n=t.timestamp?"cs":void 0,r="cr",o="sa";break;case"SERVER":n=t.timestamp?"sr":void 0,r="ss",o="ca";break;case"PRODUCER":n=t.timestamp?"ms":void 0,r="ws",o="ma";break;case"CONSUMER":t.timestamp&&t.duration?(n="wr",r="mr"):t.timestamp&&(n="mr"),o="ma"}(t.annotations.length>0||n)&&(e.annotations=t.annotations.map(function(t){return function(t,e){return{value:t.value,timestamp:t.timestamp,endpoint:e}}(t,i)})),n&&(e.annotations.push({value:n,timestamp:t.timestamp,endpoint:i}),t.duration&&e.annotations.push({value:r,timestamp:t.timestamp+t.duration,endpoint:i}));var a=Object.keys(t.tags);if((a.length>0||t.remoteEndpoint)&&(e.binaryAnnotations=a.map(function(e){return{key:e,value:t.tags[e],endpoint:i}})),t.remoteEndpoint){var s={key:o,value:!0,endpoint:Wn(t.remoteEndpoint)};e.binaryAnnotations.push(s)}return t.debug&&(e.debug=!0),JSON.stringify(e)}(t)}},JSON_V2:{encode:function(t){return function(t){var e={traceId:t.traceId};return t.parentId&&(e.parentId=t.parentId),e.id=t.id,t.name&&(e.name=t.name),t.kind&&(e.kind=t.kind),t.timestamp&&(e.timestamp=t.timestamp),t.duration&&(e.duration=t.duration),t.localEndpoint&&(e.localEndpoint=t.localEndpoint),t.remoteEndpoint&&(e.remoteEndpoint=t.remoteEndpoint),t.annotations.length>0&&(e.annotations=t.annotations),Object.keys(t.tags).length>0&&(e.tags=t.tags),t.debug&&(e.debug=!0),t.shared&&(e.shared=!0),JSON.stringify(e)}(t)}}};t.option=p,t.Annotation=dt,t.Tracer=Kt,t.createNoopTracer=function(){var t=new Ht;return new Kt({recorder:{record:function(){}},ctxImpl:t})},t.randomTraceId=Tt,t.sampler=Et,t.TraceId=kt,t.HttpHeaders=Vt,t.InetAddress=J,t.BatchRecorder=Wt,t.ConsoleRecorder=te,t.ExplicitContext=Ht,t.Instrumentation=Qn,t.Request=Gn,t.jsonEncoder=tr,t.model=xt,t.parseRequestUrl=Hn,Object.defineProperty(t,"__esModule",{value:!0})});

es/index.js

@@ -5,2 +5,4 @@ import os from 'os';
 function _typeof(obj) {
+  "@babel/helpers - typeof";
+
   if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
@@ -303,3 +305,3 @@ _typeof = function (obj) {
 
-InetAddress.getLocalAddress = function getLocalAddress() {
+function getLocalAddress() {
   var isNode = (typeof process === "undefined" ? "undefined" : _typeof(process)) === 'object' && typeof process.on === 'function';
@@ -314,2 +316,10 @@
   return new InetAddress(networkAddress.ipv4());
+} // Cache this value at import time so as to avoid network interface
+// lookup on every call
+
+
+var cachedLocalAddress = getLocalAddress();
+
+InetAddress.getLocalAddress = function () {
+  return cachedLocalAddress;
 };
@@ -781,4 +791,3 @@
     /**
-     * Please use parentSpanId instead as this can return confusing results 
-     * (the span ID when absent).
+     * Please use parentSpanId instead as this can return confusing results (the span ID when absent).
      *
@@ -1362,8 +1371,2 @@ * @deprecated since version v0.19
 /**
- * default timeout = 60 seconds (in microseconds)
- * @type {number}
- */
-
-var defaultTimeout = 60 * 1000000;
-/**
  * defaultTags property name
@@ -1389,3 +1392,4 @@ * @type {symbol}
    * @param {TraceId} traceId
-   * @param {timeoutTimestamp} after this moment, data should be forcibly flushed
+   * @param {number} timeoutTimestamp (epoch in microseconds) after this moment, data
+   * should be forcibly flushed
    */
@@ -1404,3 +1408,3 @@ function PartialSpan(traceId, timeoutTimestamp) {
    *
-   * @param {finishTimestamp} time to calculate the duration from
+   * @param {number} finishTimestamp (epoch in microseconds) to calculate the duration from
    */
@@ -1412,3 +1416,6 @@
     value: function setDuration(finishTimestamp) {
-      if (this.shouldFlush) return;
+      if (this.shouldFlush) {
+        return;
+      }
+
       this.shouldFlush = true; // even if we can't derive duration, we should report on finish
@@ -1431,6 +1438,12 @@
 /**
+ * default timeout = 60 seconds (in microseconds)
+ * @type {number}
+ */
+
+
+var defaultTimeout = 60 * 1000000;
+/**
  * @class BatchRecorder
  */
 
-
 var BatchRecorder =
@@ -1442,4 +1455,7 @@ /*#__PURE__*/
    * @param {Object} options
-   * @property {Logger} logger logs the data to zipkin server
-   * @property {number} timeout timeout for span in microseconds
+   * @param {Logger} options.logger logs the data to zipkin server
+   * @param {number} options.timeout timeout after which an unfinished span
+   * is flushed to zipkin in **microseconds**. Passing this value has
+   * implications in the reported data of the span so we discourage users
+   * to pass a value for it unless there is a good reason for.
    */
@@ -1457,2 +1473,6 @@ function BatchRecorder(_ref) {
     this.timeout = timeout;
+    /**
+     * @type Map<string, PartialSpan>
+     */
+
     this.partialSpans = new Map();
@@ -1473,3 +1493,3 @@ this[defaultTagsSymbol] = {}; // read through the partials spans regularly
       });
-    }, 1000);
+    }, 1000); // every second, this will flush to zipkin any spans that have timed out
 
@@ -1497,8 +1517,10 @@ if (timer.unref) {
     key: "_writeSpan",
-    value: function _writeSpan(id, span) {
+    value: function _writeSpan(id,
+    /** @type PartialSpan */
+    span) {
       var isNew = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
 
       // TODO(adriancole) refactor so this responsibility isn't in writeSpan
-      if (!isNew && this.partialSpans.get(id) === 'undefined') {
-        // Span not found.  Could have been expired.
+      if (!isNew && typeof this.partialSpans.get(id) === 'undefined') {
+        // Span not found. Could have been expired.
         return;
@@ -1558,3 +1580,5 @@ } // ready for garbage collection
 
-      this._updateSpanMap(id, rec.timestamp, function (span) {
+      this._updateSpanMap(id, rec.timestamp, function (
+      /** @type PartialSpan */
+      span) {
         switch (rec.annotation.annotationType) {
@@ -1561,0 +1585,0 @@ case 'ClientAddr':

index.d.ts

@@ -294,2 +294,11 @@ // TypeScript type definitions
   class BatchRecorder implements Recorder {
+    /**
+     * @constructor
+     * @param {Object} args
+     * @param {Logger} args.logger logs the data to zipkin server
+     * @param {number} args.timeout timeout after which an unfinished span is
+     * flushed to zipkin in **microseconds**. Passing this value has
+     * implications in the reported data of the span so we discourage users
+     * to pass a value for it unless there is a good reason for.
+     */
     constructor(args: { logger: Logger, timeout?: number });
@@ -296,0 +305,0 @@ record: (rec: Record) => void;

lib/index.js

@@ -11,2 +11,4 @@ 'use strict';
 function _typeof(obj) {
+  "@babel/helpers - typeof";
+
   if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
@@ -309,3 +311,3 @@ _typeof = function (obj) {
 
-InetAddress.getLocalAddress = function getLocalAddress() {
+function getLocalAddress() {
   var isNode = (typeof process === "undefined" ? "undefined" : _typeof(process)) === 'object' && typeof process.on === 'function';
@@ -320,2 +322,10 @@
   return new InetAddress(networkAddress.ipv4());
+} // Cache this value at import time so as to avoid network interface
+// lookup on every call
+
+
+var cachedLocalAddress = getLocalAddress();
+
+InetAddress.getLocalAddress = function () {
+  return cachedLocalAddress;
 };
@@ -787,4 +797,3 @@
     /**
-     * Please use parentSpanId instead as this can return confusing results 
-     * (the span ID when absent).
+     * Please use parentSpanId instead as this can return confusing results (the span ID when absent).
      *
@@ -1368,8 +1377,2 @@ * @deprecated since version v0.19
 /**
- * default timeout = 60 seconds (in microseconds)
- * @type {number}
- */
-
-var defaultTimeout = 60 * 1000000;
-/**
  * defaultTags property name
@@ -1395,3 +1398,4 @@ * @type {symbol}
    * @param {TraceId} traceId
-   * @param {timeoutTimestamp} after this moment, data should be forcibly flushed
+   * @param {number} timeoutTimestamp (epoch in microseconds) after this moment, data
+   * should be forcibly flushed
    */
@@ -1410,3 +1414,3 @@ function PartialSpan(traceId, timeoutTimestamp) {
    *
-   * @param {finishTimestamp} time to calculate the duration from
+   * @param {number} finishTimestamp (epoch in microseconds) to calculate the duration from
    */
@@ -1418,3 +1422,6 @@
     value: function setDuration(finishTimestamp) {
-      if (this.shouldFlush) return;
+      if (this.shouldFlush) {
+        return;
+      }
+
       this.shouldFlush = true; // even if we can't derive duration, we should report on finish
@@ -1437,6 +1444,12 @@
 /**
+ * default timeout = 60 seconds (in microseconds)
+ * @type {number}
+ */
+
+
+var defaultTimeout = 60 * 1000000;
+/**
  * @class BatchRecorder
  */
 
-
 var BatchRecorder =
@@ -1448,4 +1461,7 @@ /*#__PURE__*/
    * @param {Object} options
-   * @property {Logger} logger logs the data to zipkin server
-   * @property {number} timeout timeout for span in microseconds
+   * @param {Logger} options.logger logs the data to zipkin server
+   * @param {number} options.timeout timeout after which an unfinished span
+   * is flushed to zipkin in **microseconds**. Passing this value has
+   * implications in the reported data of the span so we discourage users
+   * to pass a value for it unless there is a good reason for.
    */
@@ -1463,2 +1479,6 @@ function BatchRecorder(_ref) {
     this.timeout = timeout;
+    /**
+     * @type Map<string, PartialSpan>
+     */
+
     this.partialSpans = new Map();
@@ -1479,3 +1499,3 @@ this[defaultTagsSymbol] = {}; // read through the partials spans regularly
       });
-    }, 1000);
+    }, 1000); // every second, this will flush to zipkin any spans that have timed out
 
@@ -1503,8 +1523,10 @@ if (timer.unref) {
     key: "_writeSpan",
-    value: function _writeSpan(id, span) {
+    value: function _writeSpan(id,
+    /** @type PartialSpan */
+    span) {
       var isNew = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
 
       // TODO(adriancole) refactor so this responsibility isn't in writeSpan
-      if (!isNew && this.partialSpans.get(id) === 'undefined') {
-        // Span not found.  Could have been expired.
+      if (!isNew && typeof this.partialSpans.get(id) === 'undefined') {
+        // Span not found. Could have been expired.
         return;
@@ -1564,3 +1586,5 @@ } // ready for garbage collection
 
-      this._updateSpanMap(id, rec.timestamp, function (span) {
+      this._updateSpanMap(id, rec.timestamp, function (
+      /** @type PartialSpan */
+      span) {
         switch (rec.annotation.annotationType) {
@@ -1567,0 +1591,0 @@ case 'ClientAddr':

package.json

 {
   "name": "zipkin",
-  "version": "0.20.0-alpha.1+b49a1b4",
+  "version": "0.20.0",
   "description": "The core tracer for Zipkin JS",
@@ -11,3 +11,3 @@ "main": "lib/index.js",
     "build": "rollup -c",
-    "test": "tsc index.d.ts && mocha --require ../../test/helper.js --require @babel/register && karma start --single-run --browsers ChromeHeadless,FirefoxHeadless ../../karma.conf.js",
+    "test": "tsc --lib es6 index.d.ts && mocha --require ../../test/helper.js --require @babel/register && karma start --single-run --browsers ChromeHeadless,FirefoxHeadless ../../karma.conf.js",
     "test-debug": "mocha --inspect-brk --require ../../test/helper.js",
@@ -24,3 +24,3 @@ "test-browser": "tsc index.d.ts && karma start --single-run --browsers ChromeHeadless ../../karma.conf.js",
   },
-  "gitHead": "b49a1b4d310f92dad1e99fb5d65bd6800ecca853"
+  "gitHead": "2aca37be1edca1b1e0bd62bcdb9ac20d1717c457"
 }

rollup.config.js

@@ -8,3 +8,2 @@ import babel from 'rollup-plugin-babel';
 import builtins from 'rollup-plugin-node-builtins';
-import del from 'rollup-plugin-delete';
 
@@ -27,3 +26,3 @@ const basePlugins = [
     output: {file: 'lib/index.js', format: 'cjs'},
-    plugins: basePlugins.concat([del({targets: 'lib/*'})]),
+    plugins: basePlugins,
     external,
@@ -36,3 +35,3 @@ },
     output: {file: 'es/index.js', format: 'es'},
-    plugins: basePlugins.concat([del({targets: 'es/*'})]),
+    plugins: basePlugins,
     external,
@@ -55,3 +54,2 @@ },
       builtins(),
-      del({targets: 'dist/*'})
     ]),
@@ -58,0 +56,0 @@ },

src/batch-recorder.js

@@ -5,8 +5,2 @@ const {now} = require('./time');
 /**
- * default timeout = 60 seconds (in microseconds)
- * @type {number}
- */
-const defaultTimeout = 60 * 1000000;
-
-/**
  * defaultTags property name
@@ -28,3 +22,4 @@ * @type {symbol}
    * @param {TraceId} traceId
-   * @param {timeoutTimestamp} after this moment, data should be forcibly flushed
+   * @param {number} timeoutTimestamp (epoch in microseconds) after this moment, data
+   * should be forcibly flushed
    */
@@ -42,6 +37,9 @@ constructor(traceId, timeoutTimestamp) {
    *
-   * @param {finishTimestamp} time to calculate the duration from
+   * @param {number} finishTimestamp (epoch in microseconds) to calculate the duration from
    */
   setDuration(finishTimestamp) {
-    if (this.shouldFlush) return;
+    if (this.shouldFlush) {
+      return;
+    }
+
     this.shouldFlush = true; // even if we can't derive duration, we should report on finish
@@ -61,2 +59,8 @@
 /**
+ * default timeout = 60 seconds (in microseconds)
+ * @type {number}
+ */
+const defaultTimeout = 60 * 1000000;
+
+/**
  * @class BatchRecorder
@@ -68,4 +72,7 @@ */
    * @param {Object} options
-   * @property {Logger} logger logs the data to zipkin server
-   * @property {number} timeout timeout for span in microseconds
+   * @param {Logger} options.logger logs the data to zipkin server
+   * @param {number} options.timeout timeout after which an unfinished span
+   * is flushed to zipkin in **microseconds**. Passing this value has
+   * implications in the reported data of the span so we discourage users
+   * to pass a value for it unless there is a good reason for.
    */
@@ -75,2 +82,5 @@ constructor({logger, timeout = defaultTimeout}) {
     this.timeout = timeout;
+    /**
+     * @type Map<string, PartialSpan>
+     */
     this.partialSpans = new Map();
@@ -91,3 +101,3 @@ this[defaultTagsSymbol] = {};
       });
-    }, 1000);
+    }, 1000); // every second, this will flush to zipkin any spans that have timed out
     if (timer.unref) { // unref might not be available in browsers
@@ -110,6 +120,6 @@ timer.unref(); // Allows Node to terminate instead of blocking on timer
 
-  _writeSpan(id, span, isNew = false) {
+  _writeSpan(id, /** @type PartialSpan */ span, isNew = false) {
     // TODO(adriancole) refactor so this responsibility isn't in writeSpan
-    if (!isNew && this.partialSpans.get(id) === 'undefined') {
-      // Span not found.  Could have been expired.
+    if (!isNew && typeof this.partialSpans.get(id) === 'undefined') {
+      // Span not found. Could have been expired.
       return;
@@ -160,3 +170,3 @@ }
 
-    this._updateSpanMap(id, rec.timestamp, (span) => {
+    this._updateSpanMap(id, rec.timestamp, (/** @type PartialSpan */ span) => {
       switch (rec.annotation.annotationType) {
@@ -163,0 +173,0 @@ case 'ClientAddr':

src/InetAddress.js

@@ -34,3 +34,3 @@ class InetAddress {
 // In non-node environments we fallback to 127.0.0.1
-InetAddress.getLocalAddress = function getLocalAddress() {
+function getLocalAddress() {
   const isNode = typeof process === 'object' && typeof process.on === 'function';
@@ -44,4 +44,9 @@ if (!isNode) {
   return new InetAddress(networkAddress.ipv4());
-};
+}
 
+// Cache this value at import time so as to avoid network interface
+// lookup on every call
+const cachedLocalAddress = getLocalAddress();
+InetAddress.getLocalAddress = () => cachedLocalAddress;
+
 module.exports = InetAddress;

src/tracer/TraceId.js

@@ -51,4 +51,3 @@ const {
   /**
-   * Please use parentSpanId instead as this can return confusing results 
-   * (the span ID when absent).
+   * Please use parentSpanId instead as this can return confusing results (the span ID when absent).
    *
@@ -55,0 +54,0 @@ * @deprecated since version v0.19

test/batch-recorder.test.js

@@ -16,2 +16,6 @@ const {expect} = require('chai');
   let spans;
+
+  /**
+   * @type {BatchRecorder}
+   */
   let recorder;
@@ -490,2 +494,13 @@
   });
+
+  it('should not log span that is not in partial spans list', () => {
+    const span = {
+      delegate: {
+        timestamp: 1,
+        setLocalEndpoint: () => {}
+      }
+    };
+    recorder._writeSpan(rootId, span);
+    expect(spans).to.be.empty; // eslint-disable-line no-unused-expressions
+  });
 });

test/InetAddress.test.js

@@ -8,2 +8,6 @@ const InetAddress = require('../src/InetAddress');
 
+  it('should return the same object reference for multiple calls (cached)', () => {
+    expect(InetAddress.getLocalAddress()).to.equal(InetAddress.getLocalAddress());
+  });
+
   it('should convert an IP address to integer representation', () => {
@@ -10,0 +14,0 @@ const addr = new InetAddress('80.91.37.133');

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Improved metrics

Lines of code

12379

increased by0.72%

Number of medium supply chain risk alerts

0

decreased by-100%

Worsened metrics

Total package byte prevSize

486289

decreased by-32.68%

No dependency changes