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n=this,r=null;if((e=e||{}).references)for(var o=0;o<e.references.length;o++){var i=e.references[o],s=i.type();if(s===this._opentracing.REFERENCE_CHILD_OF||s===this._opentracing.REFERENCE_FOLLOWS_FROM){var c=i.referencedContext();if(!c){this._error("Span reference has an invalid context",c);continue}r=c;break}}var p=r?r._traceGUID:this.generateTraceGUIDForRootSpan(),_=new u.default(this,t,new a.default(this._platform.generateUUID(),p));return _.addTags(this._options.default_span_tags),(0,l.default)(e,(function(t,e){switch(e){case"references":break;case"startTime":_.setBeginMicros(1e3*t);break;case"tags":_.addTags(t);break;default:n._warn("Ignoring unknown field '"+e+"'")}})),null!==r&&_.setParentGUID(r._guid),this.emit("start_span",_),_}},{key:"_inject",value:function(t,e,n){switch(e){case this._opentracing.FORMAT_HTTP_HEADERS:case this._opentracing.FORMAT_TEXT_MAP:this._injectToTextMap(t,n);break;case this._opentracing.FORMAT_BINARY:this._error("Unsupported format: 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e=this._platform.options(this)||{};(0,l.default)(t,(function(t,n){e[n]=t})),this.options(e)}},{key:"addOption",value:function(t,e){e.name=t,this._optionDescs.push(e),this._options[e.name]=e.defaultValue}},{key:"options",value:function(t){var e=this;if(0===arguments.length)return console.assert("object"==typeof this._options,"Internal error: _options field incorrect"),this._options;if("object"!=typeof t)throw new Error("options() must be called with an object: type was "+typeof t);0===t.collector_port&&delete t.collector_port,void 0!==t.collector_encryption&&void 0===t.collector_port&&(t.collector_port="none"!==t.collector_encryption?443:80);var n={},r={};for(var o in(0,l.default)(this._optionDescs,(function(o){e._setOptionInternal(n,r,t,o)})),t)void 0===n[o]&&void 0===r[o]&&this._warn("Invalid option "+o+" with value "+t[o]);this._initReportingDataIfNeeded(n),this._reportingLoopActive||this._startReportingLoop(),this.verbosity()>=3&&function(){var t="",r=0;(0,l.default)(n,(function(e,n){t+="\t"+JSON.stringify(n)+": "+JSON.stringify(e.newValue)+"\n",r++})),r>0&&e._debug("Options modified:\n"+t)}(),this.emit("options",n,this._options,this)}},{key:"_setOptionInternal",value:function(t,e,n,r){var o=r.name,i=n[o],s=typeof i;if(void 0!==i){switch(r.type){case"any":break;case"bool":if(!0!==i&&!1!==i)return void this._error("Invalid boolean option '"+o+"' '"+i+"'");break;case"int":if("number"!==s||Math.floor(i)!==i)return void this._error("Invalid int option '"+o+"' '"+i+"'");if(void 0!==r.min&&void 0!==r.max&&!(i>=r.min&&i<=r.max))return void this._error("Option '"+o+"' out of range '"+i+"' is not between "+r.min+" and "+r.max);break;case"string":switch(s){case"string":break;case"number":i=f.toString(i);break;default:return void this._error("Invalid string option "+o+" "+i)}break;case"array":if("[object Array]"!==Object.prototype.toString.call(i))return void this._error("Invalid type for array option "+o+": found 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t=!0;return(0,l.default)(this._counters,(function(e){e>0&&(t=!1)})),t}},{key:"_addSpanRecord",value:function(t){this._internalAddSpanRecord(t),this.emit("span_added",t)}},{key:"_internalAddSpanRecord",value:function(t){if(t)if(this._spanRecords.length>=this._options.max_span_records){var e=Math.floor(this._spanRecords.length*Math.random());this._spanRecords[e]=t,this._counters["spans.dropped"]++}else this._spanRecords.push(t);else this._error("Attempt to add null record to buffer")}},{key:"_restoreRecords",value:function(t,e,n){var r=this;(0,l.default)(t,(function(t){r._internalAddSpanRecord(t)}));var o=this._internalLogs;this._internalLogs=[];var i=e.concat(o);(0,l.default)(i,(function(t){r._pushInternalLog(t)})),(0,l.default)(n,(function(t){r._counters[t.Name]?r._counters[t.Name]+=t.Value:r._error("Bad counter name: "+t.Name)}))}},{key:"_setupReportOnExit",value:function(){var t=this;if(this._options.disable_report_on_exit)this._debug("report-on-exit is disabled.");else{var e=0;this._platform.onBeforeExit((function(){e++>0||(t._info("Final flush before exit."),t._flushReport(!1,!0,(function(e){e&&t._warn("Final report before exit failed",{error:e,unflushed_spans:t._spanRecords.length,buffer_youngest_micros:t._reportYoungestMicros})})))}))}}},{key:"_startReportingLoop",value:function(){var t=this;if(this._options.disabled)this._info("Not starting reporting loop: instrumentation is disabled.");else if(this._options.disable_reporting_loop)this._info("Not starting reporting loop: reporting loop is disabled.");else if(null!==this._thriftAuth){if(this._reportingLoopActive)return void this._info("Reporting loop already started!");this._info("Starting reporting loop:",this._thriftRuntime),this._reportingLoopActive=!0;var e=0;this._platform.onBeforeExit((function(){e++>0||t._stopReportingLoop()}));var n=function(){t._enqueueNextReport((function(e){t._reportingLoopActive&&n()}))},r=Math.floor(Math.random()*this._options.delay_initial_report_millis);g.detachedTimeout((function(){n()}),r)}}},{key:"_stopReportingLoop",value:function(){this._debug("Stopping reporting loop"),this._reportingLoopActive=!1,clearTimeout(this._reportTimer),this._reportTimer=null}},{key:"_enqueueNextReport",value:function(t){var e=this;if(!this._reportTimer){var n=this._options.max_reporting_interval_millis;0===this._reportErrorStreak&&this._useClockState&&!this._clockState.isReady()&&(n=Math.min(d.CLOCK_STATE_REFRESH_INTERVAL_MS,n));var r=(1+Math.min(7,Math.max(0,this._reportErrorStreak)))*n,o=.5*Math.random()-.25+1,i=Math.floor(Math.max(0,o*r));this._debug("Delaying next flush for "+i+"ms"),this._reportTimer=g.detachedTimeout((function(){e._reportTimer=null,e._flushReport(!1,!1,t)}),i)}}},{key:"_flushReport",value:function(t,e,n){var r=this;n=n||function(t){};var o=this._clockState.isReady(),i=this._clockState.offsetMicros();this._debug("time correction state",{offset_micros:i,active_samples:this._clockState.activeSampleCount(),ready:o});var s=this._spanRecords,a=this._counters,u=this._internalLogs;if(!this._useClockState||t||o||e){if(this._buffersAreEmpty())return this._debug("Skipping empty report"),n(null);this._clearBuffers(),this._debug("Flushing report ("+s.length+" spans)")}else this._debug("Flushing empty report to prime clock state"),s=[],a={},u=[];this._transport.ensureConnection(this._options),console.assert(null!==this._runtimeGUID,"No runtime GUID for Tracer"),(0,l.default)(s,(function(t){t.runtime_guid=r._runtimeGUID}));var p=[];(0,l.default)(a,(function(t,e){0!==t&&p.push(new c.crouton_thrift.MetricsSample({name:f.toString(e),double_value:f.toNumber(t)}))}));var _=this._useClockState?i:0,d=this._platform.nowMicros(),h=new c.crouton_thrift.ReportRequest({runtime:this._thriftRuntime,oldest_micros:this._reportYoungestMicros,youngest_micros:d,span_records:s,internal_logs:u,internal_metrics:new c.crouton_thrift.Metrics({counts:p}),timestamp_offset_micros:_});this.emit("prereport",h);var v=this._platform.nowMicros();this._transport.report(e,this._thriftAuth,h,(function(t,o){var i=r._platform.nowMicros(),s=(d-h.oldest_micros)/1e6;if(t){r._reportErrorStreak++;var a;a=t.message?""+t.message:""+t,r._warn("Error in report: "+a,{last_report_seconds_ago:s}),r._restoreRecords(h.span_records,h.internal_logs,h.counters),r._counters["reports.errors.send"]++,r.emit("report_error",t,{error:t,streak:r._reportErrorStreak,detached:e})}else r.verbosity()>=4&&r._debug("Report flushed for last "+s+" 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r=this.verbosity();if(0!==r){var o=Date.now();if(1===r){if(o<this._lastVisibleErrorMillis+this._options.error_throttle_millis)return void this._skippedVisibleErrors++;if(this._skippedVisibleErrors>0){var i=this._skippedVisibleErrors+" errors masked since last logged error. 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0;"complete"===e&&(n={},window.performance&&performance.timing&&(this._addTimingSpans(t,performance.timing),n["window.performance.timing"]=performance.timing)),t.logEvent("document.readystatechange "+e,n),"complete"===e&&(t.tracer()&&t.tracer().removeActiveRootSpan(t.tracer()),t.finish())}}},{key:"_copyNavigatorProperties",value:function(t){var e={};for(var n in t)try{var r=t[n];switch(n){case"plugins":for(var o=[],i=0;i<r.length;i++){var s=r.item(i);o.push({name:s.name,description:s.description})}e[n]=o;break;case"mimeTypes":for(var a=[],u=0;u<r.length;u++){var l=r.item(u);a.push({type:l.type,description:l.description,suffixes:l.suffixes})}e[n]=a;break;default:e[n]=r}}catch(t){}return e}},{key:"_addTimingSpans",value:function(t,e){var n=this;if(t){if(t.setTag("user_agent",navigator.userAgent),(0,o.default)(e,(function(e,r){if("number"==typeof e&&0!==e){var o=void 0;"navigationStart"===r&&"object"==typeof navigator&&(o={navigator:n._copyNavigatorProperties(navigator)}),t.log({message:"document "+r,payload:o},e)}})),window.chrome&&window.chrome.loadTimes){var r=window.chrome.loadTimes();r&&t.log({message:"window.chrome.loadTimes()",payload:r},e.domComplete)}t.setBeginMicros(1e3*e.navigationStart),t.tracer().startSpan("document/time_to_first_byte",{childOf:t}).setBeginMicros(1e3*e.requestStart).setEndMicros(1e3*e.responseStart).finish(),t.tracer().startSpan("document/response_transfer",{childOf:t}).setBeginMicros(1e3*e.responseStart).setEndMicros(1e3*e.responseEnd).finish(),t.tracer().startSpan("document/dom_load",{childOf:t}).setBeginMicros(1e3*e.domLoading).setEndMicros(1e3*e.domInteractive).finish()}}}]),t}();t.exports=new i},function(t,e,n){"use strict";function r(){if("undefined"==typeof document||!document.cookie)return null;for(var t=document.cookie.split(";"),e={},n=0,r=0;r<t.length;r++){var o=t[r].split("=",2);if(2===o.length){var 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l=function(){function t(){(function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")})(this,t),this._enabled=this._isValidContext(),this._proxyInited=!1,this._internalExclusions=[],this._tracer=null,this._handleOptions=this._handleOptions.bind(this),this._enabled}return i(t,[{key:"name",value:function(){return"instrument_xhr"}},{key:"addOptions",value:function(t){t.addOption("xhr_instrumentation",{type:"bool",defaultValue:!1}),t.addOption("xhr_url_inclusion_patterns",{type:"array",defaultValue:[/.*/]}),t.addOption("xhr_url_exclusion_patterns",{type:"array",defaultValue:[]})}},{key:"start",value:function(t){if(this._enabled){this._tracer=t;var e=t.options();this._addServiceHostToExclusions(e),this._handleOptions({},e),t.on("options",this._handleOptions)}}},{key:"stop",value:function(){if(this._enabled){var t=u.XMLHttpRequest.prototype;t.open=u.open,t.send=u.send}}},{key:"_handleOptions",value:function(t,e){if(t.collector_host&&this._addServiceHostToExclusions(e),!this._proxyInited&&e.xhr_instrumentation){this._proxyInited=!0;var n=u.XMLHttpRequest.prototype;n.setRequestHeader=this._instrumentSetRequestHeader(),n.open=this._instrumentOpen(),n.send=this._instrumentSend()}}},{key:"_addServiceHostToExclusions",value:function(t){function e(t){return(""+t).replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g,"\\$&")}if(0!==t.collector_host.length){var n=e(t.collector_host),r=e(t.collector_port),o=[new RegExp("^https?://"+n+":"+r)];"80"===r?o.push(new RegExp("^http://"+n)):"443"===r&&o.push(new RegExp("^https://"+n)),this._internalExclusions=o}}},{key:"_isValidContext",value:function(){return"undefined"!=typeof window&&!!window.XMLHttpRequest&&!!window.XMLHttpRequest.prototype}},{key:"_instrumentSetRequestHeader",value:function(){return function(t,e){return this.__requestHeaders=this.__requestHeaders||{},this.__requestHeaders[t]=e,u.setRequestHeader.apply(this,arguments)}}},{key:"_instrumentOpen",value:function(){var t=this,e=this._tracer;return function(n,i,a,l,c){if(!t._shouldTrace(e,this,i))return u.open.apply(this,arguments);var p=e.startSpan("XMLHttpRequest");e.addActiveRootSpan(p),this.__tracer_span=p,this.__tracer_url=i;var _={method:n,url:i,async:a,user:l};i&&(_.url_pathname=i.split("?")[0]);var f={};(0,s.default)(_,(function(t,e){f[e]=t})),f.cookies=r();var d=void 0===a||a;d&&this.addEventListener("readystatechange",(function(){if(0===this.readyState)p.log({readyState:0,event:"unsent"});else if(1===this.readyState)p.log({readyState:1,event:"sending"});else if(2===this.readyState)p.log({readyState:2,event:"headers received",method:n,url:i,openPayload:f,headers:o(this)}),p.addTags(_);else if(3===this.readyState)p.log({readyState:3,event:"loading"});else if(4===this.readyState){var t=this.responseType;p.log({readyState:4,url:i,method:n,headers:o(this),status:this.status,statusText:this.statusText,responseType:t}),e.removeActiveRootSpan(p),p.finish()}else p.log({readyState:this.readyState})}));var h=u.open.apply(this,arguments);return d||(e.removeActiveRootSpan(p),p.finish()),h}}},{key:"_instrumentSend",value:function(){var t=this,e=this._tracer;return function(){var n=this;if(!t._shouldTrace(e,this,this.__tracer_url))return u.send.apply(this,arguments);var r=this.__tracer_span;if(!r)return u.send.apply(this,arguments);var o=Array.prototype.slice.call(arguments),i=void 0;if(1===o.length){o[0]&&o[0].length&&(i=o[0].length);try{o=JSON.parse(o[0])}catch(t){}}var s=void 0===i?"":", data length="+i;r.log({event:"send",data_length:s});var l={};return e.inject(r.context(),a.FORMAT_HTTP_HEADERS,l),Object.keys(l).forEach((function(t){u.setRequestHeader.call(n,t,l[t])})),u.send.apply(this,arguments)}}},{key:"_shouldTrace",value:function(t,e,n){if(!t)return!1;var r=t.options();if(r.disabled)return!1;if(!n)return!1;for(var o in this._internalExclusions)if(this._internalExclusions.hasOwnProperty(o)&&this._internalExclusions[o].test(n))return!1;var i=!1;for(var s in r.xhr_url_inclusion_patterns)if(r.xhr_url_inclusion_patterns.hasOwnProperty(s)&&r.xhr_url_inclusion_patterns[s].test(n)){i=!0;break}if(!i)return!1;for(var a in r.xhr_url_exclusion_patterns)if(r.xhr_url_exclusion_patterns.hasOwnProperty(a)&&r.xhr_url_exclusion_patterns[a].test(n))return!1;return!0}}]),t}();t.exports=new l},function(t,e,n){"use strict";var r=function(){function t(t,e){for(var n=0;n<e.length;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)}}return function(e,n,r){return n&&t(e.prototype,n),r&&t(e,r),e}}(),o=n(3),i=function(){function t(){(function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a 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