zipkin - npm Package Compare versions

Comparing version 0.21.0 to 0.22.0

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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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 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at(t){this.message=t}function st(t){this.serviceName=t}function ut(t){this.name=t}function ct(t){var e=t.port;this.host=t.host,this.port=e}function ht(t){var e=t.host,n=t.port;this.serviceName=t.serviceName,this.host=e||void 0,this.port=n||0}function ft(t){var e=t.port;this.host=t.host||X.getLocalAddress(),this.port=e||0}function pt(t){var e=t.host,n=t.port;this.serviceName=t.serviceName,this.host=e,this.port=n}function lt(t,e){this.key=t,this.value=e}at.prototype.toString=function(){return'Message("'.concat(this.message,'")')},st.prototype.toString=function(){return'ServiceName("'.concat(this.serviceName,'")')},ut.prototype.toString=function(){return'Rpc("'.concat(this.name,'")')},ct.prototype.toString=function(){return'ClientAddr(host="'.concat(this.host,'", port=').concat(this.port,")")},ht.prototype.toString=function(){return'ServerAddr(serviceName="'.concat(this.serviceName,'", host="').concat(this.host,'", port=').concat(this.port,")")},ft.prototype.toString=function(){return'LocalAddr(host="'.concat(""+this.host,'", port=').concat(this.port,")")},pt.prototype.toString=function(){return'MessageAddr(serviceName="'.concat(this.serviceName,'", host="').concat(this.host,'", port=').concat(this.port,")")},lt.prototype.toString=function(){return"BinaryAnnotation(".concat(this.key,'="').concat(this.value,'")')};var dt={ClientSend:$,ClientRecv:G,ServerSend:Q,ServerRecv:W,ProducerStart:tt,ProducerStop:et,ConsumerStart:nt,ConsumerStop:rt,MessageAddr:pt,Message:at,ServiceName:st,Rpc:ut,ClientAddr:ct,ServerAddr:ht,LocalAddr:ft,BinaryAnnotation:lt,LocalOperationStart:ot,LocalOperationStop:it};Object.keys(dt).forEach(function(t){dt[t].prototype.annotationType=t});var vt=dt,mt=gt;function gt(t){return!!t&&("object"==typeof t||"function"==typeof t)&&"function"==typeof t.then}mt.default=gt;var yt=l.Some,wt=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 yt(n)}},{key:"toString",value:function(){return"Sampler(".concat(""+this.evaluator,")")}}]),t}();function Et(t){return!1}function It(t){return!0}Et.toString=function(){return"never sample"},It.toString=function(){return"always sample"};var bt={Sampler:wt,CountingSampler:function(t){i(r,wt);var e=c(r);function r(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:1;return n(this,r),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 It}return Et}(1>t?t:1))}return r}(),neverSample:Et,alwaysSample:It},St=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}(),At=l.None,Rt=l.verifyIsOptional,_t=l.verifyIsNotOptional,kt=l.isOptional,Tt=new(0,l.Some)(!0),Ot=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?At: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?At:f,l=e.shared,d=void 0!==l&&l;_t(r),Rt(s),Rt(p),this._traceId=kt(i)?i.getOrElse(r):null==i?r:i,this._parentId=s,this._spanId=r,this._sampled=h?Tt: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 Pt=function(){for(var t="",e=0;16>e;e+=1)t+="0123456789abcdef"[Math.floor(16*Math.random())];return t},Ct=void 0!==D&&D.hrtime;var Nt={now:Ct?function(t,e){if(t&&e){var n=D.hrtime(e);return t+Math.floor(1e6*n[0]+n[1]/1e3)}return 1e3*Date.now()}:function(){return 1e3*Date.now()},hrtime:Ct?function(){return D.hrtime()}:function(){}};function Ut(t){var e=t.ipv4,n=t.port;this.setServiceName(t.serviceName),this.setIpv4(e),this.setPort(n)}function xt(t,e){this.timestamp=t,this.value=""+e}function Bt(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()}Ut.prototype.setServiceName=function(t){this.serviceName=t?t.toLocaleLowerCase():void 0},Ut.prototype.setIpv4=function(t){this.ipv4=t},Ut.prototype.setPort=function(t){this.port=t||void 0},Ut.prototype.isEmpty=function(){return void 0===this.serviceName&&void 0===this.ipv4&&void 0===this.port},xt.prototype.toString=function(){return'Annotation(value="'.concat(this.value,'")')},Bt.prototype.setName=function(t){this.name=t?t.toLocaleLowerCase():void 0},Bt.prototype.setKind=function(t){this.kind=t},Bt.prototype.setTimestamp=function(t){this.timestamp=t},Bt.prototype.setDuration=function(t){void 0!==t&&(this.duration=Math.max(t,1))},Bt.prototype.setLocalEndpoint=function(t){this.localEndpoint=t&&!t.isEmpty()?t:void 0},Bt.prototype.setRemoteEndpoint=function(t){this.remoteEndpoint=t&&!t.isEmpty()?t:void 0},Bt.prototype.addAnnotation=function(t,e){this.annotations.push(new xt(t,e))},Bt.prototype.putTag=function(t,e){this.tags[t]=""+e},Bt.prototype.setDebug=function(t){this.debug=t},Bt.prototype.setShared=function(t){this.shared=t},Bt.prototype.toString=function(){var t=this.annotations.map(function(t){return""+t}).join(", ");return"Span(id=".concat(this.traceId,", annotations=[").concat(t,"])")};var Lt={Endpoint:Ut,Span:Bt},Mt=l.None,jt=l.Some,Dt=bt.Sampler,Yt=bt.alwaysSample,qt=Nt.now,Ft=Nt.hrtime,zt=Lt.Endpoint;function Kt(t){throw Error("Tracer: Missing required argument ".concat(t,"."))}function Ht(t){return null==t}var Vt=function(){function t(e){var r=e.ctxImpl,o=void 0===r?Kt("ctxImpl"):r,i=e.recorder,a=void 0===i?Kt("recorder"):i,s=e.sampler,u=void 0===s?new Dt(Yt):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 zt({serviceName:l||"unknown"}),this._ctxImpl=o,this._sentinelTraceId=this.createRootId(),this._startTimestamp=qt(),this._startTick=Ft(),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]:Mt,e=arguments.length>1&&void 0!==arguments[1]&&arguments[1],n=Pt(),r=this.traceId128Bit?Pt()+n:n,o=new Ot({traceId:r,parentId:Mt,spanId:n,sampled:t,flags:e?1:0});return t===Mt&&(o._sampled=this.sampler.shouldSample(o)),o}},{key:"createChildId",value:function(t){if(Ht(t)&&(t=this._ctxImpl.getContext()),t===this._sentinelTraceId||Ht(t))return this.createRootId();var e=new Ot({traceId:t.traceId,parentId:new jt(t.spanId),spanId:Pt(),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]:qt(this._startTimestamp,this._startTick);this.recorder.record(new St({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 vt.LocalOperationStart(t));try{r=e()}catch(t){throw n.recordBinary("error",t.message?t.message:""+t),n.recordAnnotation(new vt.LocalOperationStop),t}return mt(r)?o.sampled.getOrElse(!1)?r.then(function(t){return n._explicitRecord(o,new vt.LocalOperationStop),t}).catch(function(t){throw n._explicitRecord(o,new vt.BinaryAnnotation("error",t.message?t.message:""+t)),n._explicitRecord(o,new vt.LocalOperationStop),t}):r:(n.recordAnnotation(new vt.LocalOperationStop),r)})}},{key:"join",value:function(t){if(Ht(t))throw Error("traceId is a required arg");if(Ht(t._spanId))throw Error("Must be valid TraceId instance");return this.supportsJoin?(t.sampled===Mt?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 vt.Message(t))}},{key:"recordServiceName",value:function(t){this.recordAnnotation(new vt.ServiceName(t))}},{key:"recordRpc",value:function(t){this.recordAnnotation(new vt.Rpc(t))}},{key:"recordClientAddr",value:function(t){this.recordAnnotation(new vt.ClientAddr(t))}},{key:"recordServerAddr",value:function(t){this.recordAnnotation(new vt.ServerAddr(t))}},{key:"recordLocalAddr",value:function(t){this.recordAnnotation(new vt.LocalAddr(t))}},{key:"recordBinary",value:function(t,e){this.recordAnnotation(new vt.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}(),Jt=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}(),Xt={TraceId:"X-B3-TraceId",SpanId:"X-B3-SpanId",ParentSpanId:"X-B3-ParentSpanId",Sampled:"X-B3-Sampled",Flags:"X-B3-Flags"},Zt=Nt.now,$t=Lt.Span,Gt=Lt.Endpoint,Qt=Symbol("defaultTags");var Wt=function(){function t(e,r){n(this,t),this.traceId=e,this.timeoutTimestamp=r,this.delegate=new $t(e),this.localEndpoint=new Gt({}),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}(),te=6e7,ee=function(){function t(e){var r=this,o=e.logger,i=e.timeout,a=void 0===i?te:i;n(this,t),this.logger=o,this.timeout=a,this.partialSpans=new Map,this[Qt]={};var s=setInterval(function(){r.partialSpans.forEach(function(t,e){(function(t){return t.timeoutTimestamp<Zt()})(t)&&(t.delegate.addAnnotation(Zt(),"zipkin-js.flush"),r._writeSpan(e,t))})},1e3);s.unref&&s.unref()}return o(t,[{key:"_addDefaultTagsAndLocalEndpoint",value:function(t){var e=this[Qt];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 Wt(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 Gt({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 Gt({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 Gt({serviceName:t.annotation.serviceName,ipv4:t.annotation.host&&t.annotation.host.ipv4(),port:t.annotation.port}))}})}},{key:"setDefaultTags",value:function(t){this[Qt]=t}},{key:"toString",value:function(){return"BatchRecorder()"}}]),t}(),ne=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}(),re=2147483647,oe=36,ie=1,ae=26,se=38,ue=700,ce=72,he=128,fe="-",pe=/[^\x20-\x7E]/,le=/[\x2E\u3002\uFF0E\uFF61]/g,de={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,wn(r.pathname)&&wn(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),wn(r.pathname)&&wn(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},On.prototype.parseHost=function(){return Vn(this)};var Jn=function(t){var e=Tn.parse(t);return{host:e.hostname,path:e.pathname}},Xn=l.Some,Zn=l.None;function $n(t){return"1"===t||"true"===t}function Gn(t){try{return new Xn(parseInt(t))}catch(t){return Zn}}function Qn(t){throw Error("HttpServerInstrumentation: Missing required argument ".concat(t,"."))}var Wn={addZipkinHeaders:function(t,e){var n=function(t,e){var n=t.headers||{};return n[Xt.TraceId]=e.traceId,n[Xt.SpanId]=e.spanId,e.parentSpanId.ifPresent(function(t){n[Xt.ParentSpanId]=t}),e.sampled.ifPresent(function(t){n[Xt.Sampled]=t?"1":"0"}),e.isDebug()&&(n[Xt.Flags]="1"),n}(t,e);return Object.assign({},t,{headers:n})}};var tr={HttpServer:function(){function t(e){var r=e.tracer,o=void 0===r?Qn("tracer"):r,i=e.serviceName,a=void 0===i?o.localEndpoint.serviceName:i,s=e.host,u=e.port,c=void 0===u?Qn("port"):u;n(this,t),this.tracer=o,this.serviceName=a,this.host=s&&new X(s),this.port=c}return o(t,[{key:"_createIdFromHeaders",value:function(t){if(function(t){return t(Xt.TraceId)!==Zn&&t(Xt.SpanId)!==Zn}(t)){var e=t(Xt.SpanId).map(function(e){var n=t(Xt.TraceId),r=t(Xt.ParentSpanId),o=t(Xt.Sampled),i=t(Xt.Flags).flatMap(Gn).getOrElse(0);return new Ot({traceId:n.getOrElse(),parentId:r,spanId:e,debug:1===i,sampled:o.map($n)})});return new Xn(this.tracer.join(e.getOrElse()))}if(t(Xt.Flags)!==Zn||t(Xt.Sampled)!==Zn){var n=t(Xt.Sampled)===Zn?Zn:t(Xt.Sampled).map($n),r=t(Xt.Flags).flatMap(Gn).getOrElse(0);return new Xn(this.tracer.createRootId(n,1===r))}return new Xn(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=Jn(e).path;return this.tracer.recordServiceName(this.serviceName),this.tracer.recordRpc(t.toUpperCase()),this.tracer.recordBinary("http.path",i),this.tracer.recordAnnotation(new vt.ServerRecv),this.tracer.recordAnnotation(new vt.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 vt.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=Jn(e).path;return this.tracer.recordServiceName(this.serviceName),this.tracer.recordRpc(n.toUpperCase()),this.tracer.recordBinary("http.path",o),this.tracer.recordAnnotation(new vt.ClientSend),this.remoteServiceName&&this.tracer.recordAnnotation(new vt.ServerAddr({serviceName:this.remoteServiceName})),Wn.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 vt.ClientRecv)}},{key:"recordError",value:function(t,e){this.tracer.setId(t),this.tracer.recordBinary("error",""+e),this.tracer.recordAnnotation(new vt.ClientRecv)}}]),t}()};function er(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 nr={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=er(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:er(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=l,t.Annotation=vt,t.Tracer=Vt,t.createNoopTracer=function(){var t=new Jt;return new Vt({recorder:{record:function(){}},ctxImpl:t})},t.randomTraceId=Pt,t.sampler=bt,t.TraceId=Ot,t.HttpHeaders=Xt,t.InetAddress=X,t.BatchRecorder=ee,t.ConsoleRecorder=ne,t.ExplicitContext=Jt,t.Instrumentation=tr,t.Request=Wn,t.jsonEncoder=nr,t.model=Lt,t.parseRequestUrl=Jn,Object.defineProperty(t,"__esModule",{value:!0})});

es/index.js

@@ -73,2 +73,15 @@ import os from 'os';
 
+function _isNativeReflectConstruct() {
+  if (typeof Reflect === "undefined" || !Reflect.construct) return false;
+  if (Reflect.construct.sham) return false;
+  if (typeof Proxy === "function") return true;
+
+  try {
+    Date.prototype.toString.call(Reflect.construct(Date, [], function () {}));
+    return true;
+  } catch (e) {
+    return false;
+  }
+}
+
 function _assertThisInitialized(self) {
@@ -90,2 +103,21 @@ if (self === void 0) {
 
+function _createSuper(Derived) {
+  var hasNativeReflectConstruct = _isNativeReflectConstruct();
+
+  return function () {
+    var Super = _getPrototypeOf(Derived),
+        result;
+
+    if (hasNativeReflectConstruct) {
+      var NewTarget = _getPrototypeOf(this).constructor;
+
+      result = Reflect.construct(Super, arguments, NewTarget);
+    } else {
+      result = Super.apply(this, arguments);
+    }
+
+    return _possibleConstructorReturn(this, result);
+  };
+}
+
 var None = {
@@ -118,5 +150,3 @@ get type() {
 
-var Some =
-/*#__PURE__*/
-function () {
+var Some = /*#__PURE__*/function () {
   function Some(value) {
@@ -261,5 +291,3 @@ _classCallCheck(this, Some);
 
-var InetAddress =
-/*#__PURE__*/
-function () {
+var InetAddress = /*#__PURE__*/function () {
   function InetAddress(addr) {
@@ -330,5 +358,3 @@ _classCallCheck(this, InetAddress);
 
-var SimpleAnnotation =
-/*#__PURE__*/
-function () {
+var SimpleAnnotation = /*#__PURE__*/function () {
   function SimpleAnnotation() {
@@ -348,11 +374,11 @@ _classCallCheck(this, SimpleAnnotation);
 
-var ClientSend =
-/*#__PURE__*/
-function (_SimpleAnnotation) {
+var ClientSend = /*#__PURE__*/function (_SimpleAnnotation) {
   _inherits(ClientSend, _SimpleAnnotation);
 
+  var _super = _createSuper(ClientSend);
+
   function ClientSend() {
     _classCallCheck(this, ClientSend);
 
-    return _possibleConstructorReturn(this, _getPrototypeOf(ClientSend).apply(this, arguments));
+    return _super.apply(this, arguments);
   }
@@ -363,11 +389,11 @@
 
-var ClientRecv =
-/*#__PURE__*/
-function (_SimpleAnnotation2) {
+var ClientRecv = /*#__PURE__*/function (_SimpleAnnotation2) {
   _inherits(ClientRecv, _SimpleAnnotation2);
 
+  var _super2 = _createSuper(ClientRecv);
+
   function ClientRecv() {
     _classCallCheck(this, ClientRecv);
 
-    return _possibleConstructorReturn(this, _getPrototypeOf(ClientRecv).apply(this, arguments));
+    return _super2.apply(this, arguments);
   }
@@ -378,11 +404,11 @@
 
-var ServerSend =
-/*#__PURE__*/
-function (_SimpleAnnotation3) {
+var ServerSend = /*#__PURE__*/function (_SimpleAnnotation3) {
   _inherits(ServerSend, _SimpleAnnotation3);
 
+  var _super3 = _createSuper(ServerSend);
+
   function ServerSend() {
     _classCallCheck(this, ServerSend);
 
-    return _possibleConstructorReturn(this, _getPrototypeOf(ServerSend).apply(this, arguments));
+    return _super3.apply(this, arguments);
   }
@@ -393,11 +419,11 @@
 
-var ServerRecv =
-/*#__PURE__*/
-function (_SimpleAnnotation4) {
+var ServerRecv = /*#__PURE__*/function (_SimpleAnnotation4) {
   _inherits(ServerRecv, _SimpleAnnotation4);
 
+  var _super4 = _createSuper(ServerRecv);
+
   function ServerRecv() {
     _classCallCheck(this, ServerRecv);
 
-    return _possibleConstructorReturn(this, _getPrototypeOf(ServerRecv).apply(this, arguments));
+    return _super4.apply(this, arguments);
   }
@@ -408,11 +434,11 @@
 
-var ProducerStart =
-/*#__PURE__*/
-function (_SimpleAnnotation5) {
+var ProducerStart = /*#__PURE__*/function (_SimpleAnnotation5) {
   _inherits(ProducerStart, _SimpleAnnotation5);
 
+  var _super5 = _createSuper(ProducerStart);
+
   function ProducerStart() {
     _classCallCheck(this, ProducerStart);
 
-    return _possibleConstructorReturn(this, _getPrototypeOf(ProducerStart).apply(this, arguments));
+    return _super5.apply(this, arguments);
   }
@@ -423,11 +449,11 @@
 
-var ProducerStop =
-/*#__PURE__*/
-function (_SimpleAnnotation6) {
+var ProducerStop = /*#__PURE__*/function (_SimpleAnnotation6) {
   _inherits(ProducerStop, _SimpleAnnotation6);
 
+  var _super6 = _createSuper(ProducerStop);
+
   function ProducerStop() {
     _classCallCheck(this, ProducerStop);
 
-    return _possibleConstructorReturn(this, _getPrototypeOf(ProducerStop).apply(this, arguments));
+    return _super6.apply(this, arguments);
   }
@@ -438,11 +464,11 @@
 
-var ConsumerStart =
-/*#__PURE__*/
-function (_SimpleAnnotation7) {
+var ConsumerStart = /*#__PURE__*/function (_SimpleAnnotation7) {
   _inherits(ConsumerStart, _SimpleAnnotation7);
 
+  var _super7 = _createSuper(ConsumerStart);
+
   function ConsumerStart() {
     _classCallCheck(this, ConsumerStart);
 
-    return _possibleConstructorReturn(this, _getPrototypeOf(ConsumerStart).apply(this, arguments));
+    return _super7.apply(this, arguments);
   }
@@ -453,11 +479,11 @@
 
-var ConsumerStop =
-/*#__PURE__*/
-function (_SimpleAnnotation8) {
+var ConsumerStop = /*#__PURE__*/function (_SimpleAnnotation8) {
   _inherits(ConsumerStop, _SimpleAnnotation8);
 
+  var _super8 = _createSuper(ConsumerStop);
+
   function ConsumerStop() {
     _classCallCheck(this, ConsumerStop);
 
-    return _possibleConstructorReturn(this, _getPrototypeOf(ConsumerStop).apply(this, arguments));
+    return _super8.apply(this, arguments);
   }
@@ -476,11 +502,11 @@
 
-var LocalOperationStop =
-/*#__PURE__*/
-function (_SimpleAnnotation9) {
+var LocalOperationStop = /*#__PURE__*/function (_SimpleAnnotation9) {
   _inherits(LocalOperationStop, _SimpleAnnotation9);
 
+  var _super9 = _createSuper(LocalOperationStop);
+
   function LocalOperationStop() {
     _classCallCheck(this, LocalOperationStop);
 
-    return _possibleConstructorReturn(this, _getPrototypeOf(LocalOperationStop).apply(this, arguments));
+    return _super9.apply(this, arguments);
   }
@@ -598,2 +624,3 @@
 var isPromise_1 = isPromise;
+var default_1 = isPromise;
 
@@ -603,2 +630,3 @@ function isPromise(obj) {
 }
+isPromise_1.default = default_1;
 
@@ -611,5 +639,3 @@ var Some$1 = option.Some; // Determines whether or not a traceId should be sampled.
 
-var Sampler =
-/*#__PURE__*/
-function () {
+var Sampler = /*#__PURE__*/function () {
   function Sampler(evaluator) {
@@ -684,7 +710,7 @@ _classCallCheck(this, Sampler);
 
-var CountingSampler =
-/*#__PURE__*/
-function (_Sampler) {
+var CountingSampler = /*#__PURE__*/function (_Sampler) {
   _inherits(CountingSampler, _Sampler);
 
+  var _super = _createSuper(CountingSampler);
+
   function CountingSampler() {
@@ -695,3 +721,3 @@ var sampleRate = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 1;
 
-    return _possibleConstructorReturn(this, _getPrototypeOf(CountingSampler).call(this, makeCountingEvaluator(sampleRate < 1 ? sampleRate : 1)));
+    return _super.call(this, makeCountingEvaluator(sampleRate < 1 ? sampleRate : 1));
   }
@@ -709,5 +735,3 @@
 
-var Record =
-/*#__PURE__*/
-function () {
+var Record = /*#__PURE__*/function () {
   function Record(_ref) {
@@ -744,5 +768,3 @@ var traceId = _ref.traceId,
 
-var TraceId =
-/*#__PURE__*/
-function () {
+var TraceId = /*#__PURE__*/function () {
   function TraceId(params) {
@@ -1034,5 +1056,3 @@ _classCallCheck(this, TraceId);
 
-var Tracer =
-/*#__PURE__*/
-function () {
+var Tracer = /*#__PURE__*/function () {
   function Tracer(_ref) {
@@ -1320,5 +1340,3 @@ var _ref$ctxImpl = _ref.ctxImpl,
 
-var explicitContext =
-/*#__PURE__*/
-function () {
+var explicitContext = /*#__PURE__*/function () {
   function ExplicitContext() {
@@ -1404,5 +1422,3 @@ _classCallCheck(this, ExplicitContext);
 
-var PartialSpan =
-/*#__PURE__*/
-function () {
+var PartialSpan = /*#__PURE__*/function () {
   /**
@@ -1464,5 +1480,3 @@ * @constructor
 
-var BatchRecorder =
-/*#__PURE__*/
-function () {
+var BatchRecorder = /*#__PURE__*/function () {
   /**
@@ -1719,5 +1733,3 @@ * @constructor
  */
-var ConsoleRecorder =
-/*#__PURE__*/
-function () {
+var ConsoleRecorder = /*#__PURE__*/function () {
   /* eslint-disable no-console */
@@ -1787,5 +1799,3 @@ function ConsoleRecorder() {
 
-var HttpServerInstrumentation =
-/*#__PURE__*/
-function () {
+var HttpServerInstrumentation = /*#__PURE__*/function () {
   function HttpServerInstrumentation(_ref) {
@@ -1922,5 +1932,3 @@ var _ref$tracer = _ref.tracer,
 
-var HttpClientInstrumentation =
-/*#__PURE__*/
-function () {
+var HttpClientInstrumentation = /*#__PURE__*/function () {
   function HttpClientInstrumentation(_ref) {
@@ -1927,0 +1935,0 @@ var _ref$tracer = _ref.tracer,

lib/index.js

@@ -79,2 +79,15 @@ 'use strict';
 
+function _isNativeReflectConstruct() {
+  if (typeof Reflect === "undefined" || !Reflect.construct) return false;
+  if (Reflect.construct.sham) return false;
+  if (typeof Proxy === "function") return true;
+
+  try {
+    Date.prototype.toString.call(Reflect.construct(Date, [], function () {}));
+    return true;
+  } catch (e) {
+    return false;
+  }
+}
+
 function _assertThisInitialized(self) {
@@ -96,2 +109,21 @@ if (self === void 0) {
 
+function _createSuper(Derived) {
+  var hasNativeReflectConstruct = _isNativeReflectConstruct();
+
+  return function () {
+    var Super = _getPrototypeOf(Derived),
+        result;
+
+    if (hasNativeReflectConstruct) {
+      var NewTarget = _getPrototypeOf(this).constructor;
+
+      result = Reflect.construct(Super, arguments, NewTarget);
+    } else {
+      result = Super.apply(this, arguments);
+    }
+
+    return _possibleConstructorReturn(this, result);
+  };
+}
+
 var None = {
@@ -124,5 +156,3 @@ get type() {
 
-var Some =
-/*#__PURE__*/
-function () {
+var Some = /*#__PURE__*/function () {
   function Some(value) {
@@ -267,5 +297,3 @@ _classCallCheck(this, Some);
 
-var InetAddress =
-/*#__PURE__*/
-function () {
+var InetAddress = /*#__PURE__*/function () {
   function InetAddress(addr) {
@@ -336,5 +364,3 @@ _classCallCheck(this, InetAddress);
 
-var SimpleAnnotation =
-/*#__PURE__*/
-function () {
+var SimpleAnnotation = /*#__PURE__*/function () {
   function SimpleAnnotation() {
@@ -354,11 +380,11 @@ _classCallCheck(this, SimpleAnnotation);
 
-var ClientSend =
-/*#__PURE__*/
-function (_SimpleAnnotation) {
+var ClientSend = /*#__PURE__*/function (_SimpleAnnotation) {
   _inherits(ClientSend, _SimpleAnnotation);
 
+  var _super = _createSuper(ClientSend);
+
   function ClientSend() {
     _classCallCheck(this, ClientSend);
 
-    return _possibleConstructorReturn(this, _getPrototypeOf(ClientSend).apply(this, arguments));
+    return _super.apply(this, arguments);
   }
@@ -369,11 +395,11 @@
 
-var ClientRecv =
-/*#__PURE__*/
-function (_SimpleAnnotation2) {
+var ClientRecv = /*#__PURE__*/function (_SimpleAnnotation2) {
   _inherits(ClientRecv, _SimpleAnnotation2);
 
+  var _super2 = _createSuper(ClientRecv);
+
   function ClientRecv() {
     _classCallCheck(this, ClientRecv);
 
-    return _possibleConstructorReturn(this, _getPrototypeOf(ClientRecv).apply(this, arguments));
+    return _super2.apply(this, arguments);
   }
@@ -384,11 +410,11 @@
 
-var ServerSend =
-/*#__PURE__*/
-function (_SimpleAnnotation3) {
+var ServerSend = /*#__PURE__*/function (_SimpleAnnotation3) {
   _inherits(ServerSend, _SimpleAnnotation3);
 
+  var _super3 = _createSuper(ServerSend);
+
   function ServerSend() {
     _classCallCheck(this, ServerSend);
 
-    return _possibleConstructorReturn(this, _getPrototypeOf(ServerSend).apply(this, arguments));
+    return _super3.apply(this, arguments);
   }
@@ -399,11 +425,11 @@
 
-var ServerRecv =
-/*#__PURE__*/
-function (_SimpleAnnotation4) {
+var ServerRecv = /*#__PURE__*/function (_SimpleAnnotation4) {
   _inherits(ServerRecv, _SimpleAnnotation4);
 
+  var _super4 = _createSuper(ServerRecv);
+
   function ServerRecv() {
     _classCallCheck(this, ServerRecv);
 
-    return _possibleConstructorReturn(this, _getPrototypeOf(ServerRecv).apply(this, arguments));
+    return _super4.apply(this, arguments);
   }
@@ -414,11 +440,11 @@
 
-var ProducerStart =
-/*#__PURE__*/
-function (_SimpleAnnotation5) {
+var ProducerStart = /*#__PURE__*/function (_SimpleAnnotation5) {
   _inherits(ProducerStart, _SimpleAnnotation5);
 
+  var _super5 = _createSuper(ProducerStart);
+
   function ProducerStart() {
     _classCallCheck(this, ProducerStart);
 
-    return _possibleConstructorReturn(this, _getPrototypeOf(ProducerStart).apply(this, arguments));
+    return _super5.apply(this, arguments);
   }
@@ -429,11 +455,11 @@
 
-var ProducerStop =
-/*#__PURE__*/
-function (_SimpleAnnotation6) {
+var ProducerStop = /*#__PURE__*/function (_SimpleAnnotation6) {
   _inherits(ProducerStop, _SimpleAnnotation6);
 
+  var _super6 = _createSuper(ProducerStop);
+
   function ProducerStop() {
     _classCallCheck(this, ProducerStop);
 
-    return _possibleConstructorReturn(this, _getPrototypeOf(ProducerStop).apply(this, arguments));
+    return _super6.apply(this, arguments);
   }
@@ -444,11 +470,11 @@
 
-var ConsumerStart =
-/*#__PURE__*/
-function (_SimpleAnnotation7) {
+var ConsumerStart = /*#__PURE__*/function (_SimpleAnnotation7) {
   _inherits(ConsumerStart, _SimpleAnnotation7);
 
+  var _super7 = _createSuper(ConsumerStart);
+
   function ConsumerStart() {
     _classCallCheck(this, ConsumerStart);
 
-    return _possibleConstructorReturn(this, _getPrototypeOf(ConsumerStart).apply(this, arguments));
+    return _super7.apply(this, arguments);
   }
@@ -459,11 +485,11 @@
 
-var ConsumerStop =
-/*#__PURE__*/
-function (_SimpleAnnotation8) {
+var ConsumerStop = /*#__PURE__*/function (_SimpleAnnotation8) {
   _inherits(ConsumerStop, _SimpleAnnotation8);
 
+  var _super8 = _createSuper(ConsumerStop);
+
   function ConsumerStop() {
     _classCallCheck(this, ConsumerStop);
 
-    return _possibleConstructorReturn(this, _getPrototypeOf(ConsumerStop).apply(this, arguments));
+    return _super8.apply(this, arguments);
   }
@@ -482,11 +508,11 @@
 
-var LocalOperationStop =
-/*#__PURE__*/
-function (_SimpleAnnotation9) {
+var LocalOperationStop = /*#__PURE__*/function (_SimpleAnnotation9) {
   _inherits(LocalOperationStop, _SimpleAnnotation9);
 
+  var _super9 = _createSuper(LocalOperationStop);
+
   function LocalOperationStop() {
     _classCallCheck(this, LocalOperationStop);
 
-    return _possibleConstructorReturn(this, _getPrototypeOf(LocalOperationStop).apply(this, arguments));
+    return _super9.apply(this, arguments);
   }
@@ -604,2 +630,3 @@
 var isPromise_1 = isPromise;
+var default_1 = isPromise;
 
@@ -609,2 +636,3 @@ function isPromise(obj) {
 }
+isPromise_1.default = default_1;
 
@@ -617,5 +645,3 @@ var Some$1 = option.Some; // Determines whether or not a traceId should be sampled.
 
-var Sampler =
-/*#__PURE__*/
-function () {
+var Sampler = /*#__PURE__*/function () {
   function Sampler(evaluator) {
@@ -690,7 +716,7 @@ _classCallCheck(this, Sampler);
 
-var CountingSampler =
-/*#__PURE__*/
-function (_Sampler) {
+var CountingSampler = /*#__PURE__*/function (_Sampler) {
   _inherits(CountingSampler, _Sampler);
 
+  var _super = _createSuper(CountingSampler);
+
   function CountingSampler() {
@@ -701,3 +727,3 @@ var sampleRate = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 1;
 
-    return _possibleConstructorReturn(this, _getPrototypeOf(CountingSampler).call(this, makeCountingEvaluator(sampleRate < 1 ? sampleRate : 1)));
+    return _super.call(this, makeCountingEvaluator(sampleRate < 1 ? sampleRate : 1));
   }
@@ -715,5 +741,3 @@
 
-var Record =
-/*#__PURE__*/
-function () {
+var Record = /*#__PURE__*/function () {
   function Record(_ref) {
@@ -750,5 +774,3 @@ var traceId = _ref.traceId,
 
-var TraceId =
-/*#__PURE__*/
-function () {
+var TraceId = /*#__PURE__*/function () {
   function TraceId(params) {
@@ -1040,5 +1062,3 @@ _classCallCheck(this, TraceId);
 
-var Tracer =
-/*#__PURE__*/
-function () {
+var Tracer = /*#__PURE__*/function () {
   function Tracer(_ref) {
@@ -1326,5 +1346,3 @@ var _ref$ctxImpl = _ref.ctxImpl,
 
-var explicitContext =
-/*#__PURE__*/
-function () {
+var explicitContext = /*#__PURE__*/function () {
   function ExplicitContext() {
@@ -1410,5 +1428,3 @@ _classCallCheck(this, ExplicitContext);
 
-var PartialSpan =
-/*#__PURE__*/
-function () {
+var PartialSpan = /*#__PURE__*/function () {
   /**
@@ -1470,5 +1486,3 @@ * @constructor
 
-var BatchRecorder =
-/*#__PURE__*/
-function () {
+var BatchRecorder = /*#__PURE__*/function () {
   /**
@@ -1725,5 +1739,3 @@ * @constructor
  */
-var ConsoleRecorder =
-/*#__PURE__*/
-function () {
+var ConsoleRecorder = /*#__PURE__*/function () {
   /* eslint-disable no-console */
@@ -1793,5 +1805,3 @@ function ConsoleRecorder() {
 
-var HttpServerInstrumentation =
-/*#__PURE__*/
-function () {
+var HttpServerInstrumentation = /*#__PURE__*/function () {
   function HttpServerInstrumentation(_ref) {
@@ -1928,5 +1938,3 @@ var _ref$tracer = _ref.tracer,
 
-var HttpClientInstrumentation =
-/*#__PURE__*/
-function () {
+var HttpClientInstrumentation = /*#__PURE__*/function () {
   function HttpClientInstrumentation(_ref) {
@@ -1933,0 +1941,0 @@ var _ref$tracer = _ref.tracer,

package.json

 {
   "name": "zipkin",
-  "version": "0.21.0",
+  "version": "0.22.0",
   "description": "The core tracer for Zipkin JS",
@@ -23,3 +23,3 @@ "main": "lib/index.js",
   },
-  "gitHead": "324702a96c7e378143be861c8eafcc6cea7f00ac"
+  "gitHead": "bc590b2957b4c1e0c434de3c6fb7b4feeb406f8b"
 }

README.md

@@ -24,4 +24,4 @@ # zipkin
 const tracer = new zipkin.Tracer({
-  ctxImpl,
-  recorder: new zipkin.ConsoleRecorder(), // For easy debugging. You probably want to use an actual implementation, like Kafka or Scribe.
+  ctxImpl, // the in-process context
+  recorder: new zipkin.ConsoleRecorder(), // For easy debugging. You probably want to use an actual implementation, like Kafka or AWS SQS.
   sampler: new zipkin.sampler.CountingSampler(0.01), // sample rate 0.01 will sample 1 % of all incoming requests
@@ -33,3 +33,13 @@ traceId128Bit: true, // to generate 128-bit trace IDs. 64-bit (false) is default
 
+### In-process context (node only)
+
+The event loop is what allows Node.js to perform non-blocking I/O operations, hence
+several operations are happening at the same time and we need a way to correlate different operations that happen at the same time to a specific trace. There are two options for this: explicit and implicit context.
+
+In the **explicit context**, we pass around an object `ctx` from the top layer of the application down to those operations we want to trace. For example, a `ctx` will be handed from the HTTP handler down to the application layer and finally to a HTTP call that queries external resources.
+
+In the **implicit context**, we don't need to pass anything, the in-process context is transparent for the user (see [zipkin-context-cls](pakcages/zipkin-context-cls)).
+
 ### Local tracing
+
 Sometimes you have activity that precedes a remote request that you want to
@@ -41,2 +51,3 @@ capture in a trace. `tracer.local` can time an operation, placing a
 Here's an example tracing a synchronous function:
+
 ```javascript
@@ -50,2 +61,3 @@ // A span representing checkout completes before result is returned
 Here's an example tracing a function that returns a promise:
+
 ```javascript
@@ -52,0 +64,0 @@ // A span is in progress and completes when the promise is resolved.

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Number of lines in readme file

65

increased by22.64%

Worsened metrics

Lines of code

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No dependency changes