chrome-devtools-frontend/front_end/third_party/lighthouse/lighthouse-dt-bundle.js

Chrome DevTools UI

/**
 * Lighthouse v9.1.0 8100b8034507e679c95b2fab5ab48965875443b6 (Nov 29 2021)
 *
 * Automated auditing, performance metrics, and best practices for the web.
 *
 * @homepage https://github.com/GoogleChrome/lighthouse#readme
 * @author   The Lighthouse Authors
 * @license  Apache-2.0
 */
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let t=0;for(let r=0;r<e.length;r++)t=(t<<5)-t+e.charCodeAt(r),t|=0;return createDebug.colors[Math.abs(t)%createDebug.colors.length]},createDebug.enable(createDebug.load()),createDebug}var common=setup;!function(e,t){t.formatArgs=function formatArgs(t){if(t[0]=(this.useColors?"%c":"")+this.namespace+(this.useColors?" %c":" ")+t[0]+(this.useColors?"%c ":" ")+"+"+e.exports.humanize(this.diff),!this.useColors)return;const r="color: "+this.color;t.splice(1,0,r,"color: inherit");let n=0,a=0;t[0].replace(/%[a-zA-Z%]/g,(e=>{"%%"!==e&&(n++,"%c"===e&&(a=n))})),t.splice(a,0,r)},t.save=function save(e){try{e?t.storage.setItem("debug",e):t.storage.removeItem("debug")}catch(e){}},t.load=function load(){let e;try{e=t.storage.getItem("debug")}catch(e){}!e&&void 0!==process$3&&"env"in process$3&&(e=process$3.env.DEBUG);return e},t.useColors=function useColors(){if("undefined"!=typeof window&&window.process&&("renderer"===window.process.type||window.process.__nwjs))return!0
;if("undefined"!=typeof navigator&&navigator.userAgent&&navigator.userAgent.toLowerCase().match(/(edge|trident)\/(\d+)/))return!1;return"undefined"!=typeof document&&document.documentElement&&document.documentElement.style&&document.documentElement.style.WebkitAppearance||"undefined"!=typeof window&&window.console&&(window.console.firebug||window.console.exception&&window.console.table)||"undefined"!=typeof navigator&&navigator.userAgent&&navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/)&&parseInt(RegExp.$1,10)>=31||"undefined"!=typeof navigator&&navigator.userAgent&&navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/)},t.storage=function localstorage(){try{return localStorage}catch(e){}}(),t.destroy=(()=>{let e=!1;return()=>{e||(e=!0,console.warn("Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`."))}})(),
t.colors=["#0000CC","#0000FF","#0033CC","#0033FF","#0066CC","#0066FF","#0099CC","#0099FF","#00CC00","#00CC33","#00CC66","#00CC99","#00CCCC","#00CCFF","#3300CC","#3300FF","#3333CC","#3333FF","#3366CC","#3366FF","#3399CC","#3399FF","#33CC00","#33CC33","#33CC66","#33CC99","#33CCCC","#33CCFF","#6600CC","#6600FF","#6633CC","#6633FF","#66CC00","#66CC33","#9900CC","#9900FF","#9933CC","#9933FF","#99CC00","#99CC33","#CC0000","#CC0033","#CC0066","#CC0099","#CC00CC","#CC00FF","#CC3300","#CC3333","#CC3366","#CC3399","#CC33CC","#CC33FF","#CC6600","#CC6633","#CC9900","#CC9933","#CCCC00","#CCCC33","#FF0000","#FF0033","#FF0066","#FF0099","#FF00CC","#FF00FF","#FF3300","#FF3333","#FF3366","#FF3399","#FF33CC","#FF33FF","#FF6600","#FF6633","#FF9900","#FF9933","#FFCC00","#FFCC33"],t.log=console.debug||console.log||(()=>{}),e.exports=common(t);const{formatters:r}=e.exports;r.j=function(e){try{return JSON.stringify(e)}catch(e){return"[UnexpectedJSONParseError]: "+e.message}}}(browser,browser.exports)
;var perf="undefined"!=typeof performance&&performance,nowForNode,hrtime=process$3.hrtime,getNanoSeconds=function(){var e=hrtime();return 1e9*e[0]+e[1]},loadTime=getNanoSeconds();nowForNode=function(){return(getNanoSeconds()-loadTime)/1e6};var now=nowForNode,mark,stop,getEntries,clear;function throwIfEmpty(e){if(!e)throw new Error("name must be non-empty")}function insertSorted(e,t){for(var r,n=0,a=e.length;n<a;)e[r=n+a>>>1].startTime<t.startTime?n=r+1:a=r;e.splice(n,0,t)}if(perf&&perf.mark&&perf.getEntriesByName&&perf.getEntriesByType&&perf.clearMeasures)mark=function(e){throwIfEmpty(e),perf.mark("start "+e)},stop=function(e){throwIfEmpty(e),perf.mark("end "+e),perf.measure(e,"start "+e,"end "+e);var t=perf.getEntriesByName(e);return t[t.length-1]},getEntries=function(){return perf.getEntriesByType("measure")},clear=function(){perf.clearMarks(),perf.clearMeasures()};else{var marks={},entries=[];mark=function(e){throwIfEmpty(e);var t=now();marks["$"+e]=t},stop=function(e){
throwIfEmpty(e);var t=now(),r=marks["$"+e];if(!r)throw new Error("no known mark: "+e);var n={startTime:r,name:e,duration:t-r,entryType:"measure"};return insertSorted(entries,n),n},getEntries=function(){return entries},clear=function(){marks={},entries=[]}}var marky_es=Object.freeze({__proto__:null,get clear(){return clear},get getEntries(){return getEntries},get mark(){return mark},get stop(){return stop}}),require$$2$1=getAugmentedNamespace(marky_es),domain;function EventHandlers(){}function EventEmitter$5(){EventEmitter$5.init.call(this)}function $getMaxListeners(e){return void 0===e._maxListeners?EventEmitter$5.defaultMaxListeners:e._maxListeners}function emitNone(e,t,r){if(t)e.call(r);else for(var n=e.length,a=arrayClone(e,n),i=0;i<n;++i)a[i].call(r)}function emitOne(e,t,r,n){if(t)e.call(r,n);else for(var a=e.length,i=arrayClone(e,a),o=0;o<a;++o)i[o].call(r,n)}function emitTwo(e,t,r,n,a){if(t)e.call(r,n,a);else for(var i=e.length,o=arrayClone(e,i),l=0;l<i;++l)o[l].call(r,n,a)}
function emitThree(e,t,r,n,a,i){if(t)e.call(r,n,a,i);else for(var o=e.length,l=arrayClone(e,o),c=0;c<o;++c)l[c].call(r,n,a,i)}function emitMany(e,t,r,n){if(t)e.apply(r,n);else for(var a=e.length,i=arrayClone(e,a),o=0;o<a;++o)i[o].apply(r,n)}function _addListener(e,t,r,n){var a,i,o;if("function"!=typeof r)throw new TypeError('"listener" argument must be a function');if((i=e._events)?(i.newListener&&(e.emit("newListener",t,r.listener?r.listener:r),i=e._events),o=i[t]):(i=e._events=new EventHandlers,e._eventsCount=0),o){if("function"==typeof o?o=i[t]=n?[r,o]:[o,r]:n?o.unshift(r):o.push(r),!o.warned&&(a=$getMaxListeners(e))&&a>0&&o.length>a){o.warned=!0;var l=new Error("Possible EventEmitter memory leak detected. "+o.length+" "+t+" listeners added. Use emitter.setMaxListeners() to increase limit");l.name="MaxListenersExceededWarning",l.emitter=e,l.type=t,l.count=o.length,emitWarning(l)}}else o=i[t]=r,++e._eventsCount;return e}function emitWarning(e){
"function"==typeof console.warn?console.warn(e):console.log(e)}function _onceWrap(e,t,r){var n=!1;function g(){e.removeListener(t,g),n||(n=!0,r.apply(e,arguments))}return g.listener=r,g}function listenerCount$1(e){var t=this._events;if(t){var r=t[e];if("function"==typeof r)return 1;if(r)return r.length}return 0}function spliceOne(e,t){for(var r=t,n=r+1,a=e.length;n<a;r+=1,n+=1)e[r]=e[n];e.pop()}function arrayClone(e,t){for(var r=new Array(t);t--;)r[t]=e[t];return r}function unwrapListeners(e){for(var t=new Array(e.length),r=0;r<t.length;++r)t[r]=e[r].listener||e[r];return t}EventHandlers.prototype=Object.create(null),EventEmitter$5.EventEmitter=EventEmitter$5,EventEmitter$5.usingDomains=!1,EventEmitter$5.prototype.domain=void 0,EventEmitter$5.prototype._events=void 0,EventEmitter$5.prototype._maxListeners=void 0,EventEmitter$5.defaultMaxListeners=10,EventEmitter$5.init=function(){this.domain=null,EventEmitter$5.usingDomains&&domain.active,
this._events&&this._events!==Object.getPrototypeOf(this)._events||(this._events=new EventHandlers,this._eventsCount=0),this._maxListeners=this._maxListeners||void 0},EventEmitter$5.prototype.setMaxListeners=function setMaxListeners(e){if("number"!=typeof e||e<0||isNaN(e))throw new TypeError('"n" argument must be a positive number');return this._maxListeners=e,this},EventEmitter$5.prototype.getMaxListeners=function getMaxListeners(){return $getMaxListeners(this)},EventEmitter$5.prototype.emit=function emit(e){var t,r,n,a,i,o,l,c="error"===e;if(o=this._events)c=c&&null==o.error;else if(!c)return!1;if(l=this.domain,c){if(t=arguments[1],!l){if(t instanceof Error)throw t;var u=new Error('Uncaught, unspecified "error" event. ('+t+")");throw u.context=t,u}return t||(t=new Error('Uncaught, unspecified "error" event')),t.domainEmitter=this,t.domain=l,t.domainThrown=!1,l.emit("error",t),!1}if(!(r=o[e]))return!1;var p="function"==typeof r;switch(n=arguments.length){case 1:emitNone(r,p,this);break
;case 2:emitOne(r,p,this,arguments[1]);break;case 3:emitTwo(r,p,this,arguments[1],arguments[2]);break;case 4:emitThree(r,p,this,arguments[1],arguments[2],arguments[3]);break;default:for(a=new Array(n-1),i=1;i<n;i++)a[i-1]=arguments[i];emitMany(r,p,this,a)}return!0},EventEmitter$5.prototype.addListener=function addListener(e,t){return _addListener(this,e,t,!1)},EventEmitter$5.prototype.on=EventEmitter$5.prototype.addListener,EventEmitter$5.prototype.prependListener=function prependListener(e,t){return _addListener(this,e,t,!0)},EventEmitter$5.prototype.once=function once(e,t){if("function"!=typeof t)throw new TypeError('"listener" argument must be a function');return this.on(e,_onceWrap(this,e,t)),this},EventEmitter$5.prototype.prependOnceListener=function prependOnceListener(e,t){if("function"!=typeof t)throw new TypeError('"listener" argument must be a function');return this.prependListener(e,_onceWrap(this,e,t)),this},
EventEmitter$5.prototype.removeListener=function removeListener(e,t){var r,n,a,i,o;if("function"!=typeof t)throw new TypeError('"listener" argument must be a function');if(!(n=this._events))return this;if(!(r=n[e]))return this;if(r===t||r.listener&&r.listener===t)0==--this._eventsCount?this._events=new EventHandlers:(delete n[e],n.removeListener&&this.emit("removeListener",e,r.listener||t));else if("function"!=typeof r){for(a=-1,i=r.length;i-- >0;)if(r[i]===t||r[i].listener&&r[i].listener===t){o=r[i].listener,a=i;break}if(a<0)return this;if(1===r.length){if(r[0]=void 0,0==--this._eventsCount)return this._events=new EventHandlers,this;delete n[e]}else spliceOne(r,a);n.removeListener&&this.emit("removeListener",e,o||t)}return this},EventEmitter$5.prototype.off=function(e,t){return this.removeListener(e,t)},EventEmitter$5.prototype.removeAllListeners=function removeAllListeners(e){var t,r;if(!(r=this._events))return this
;if(!r.removeListener)return 0===arguments.length?(this._events=new EventHandlers,this._eventsCount=0):r[e]&&(0==--this._eventsCount?this._events=new EventHandlers:delete r[e]),this;if(0===arguments.length){for(var n,a=Object.keys(r),i=0;i<a.length;++i)"removeListener"!==(n=a[i])&&this.removeAllListeners(n);return this.removeAllListeners("removeListener"),this._events=new EventHandlers,this._eventsCount=0,this}if("function"==typeof(t=r[e]))this.removeListener(e,t);else if(t)do{this.removeListener(e,t[t.length-1])}while(t[0]);return this},EventEmitter$5.prototype.listeners=function listeners(e){var t,r=this._events;return r&&(t=r[e])?"function"==typeof t?[t.listener||t]:unwrapListeners(t):[]},EventEmitter$5.listenerCount=function(e,t){return"function"==typeof e.listenerCount?e.listenerCount(t):listenerCount$1.call(e,t)},EventEmitter$5.prototype.listenerCount=listenerCount$1,EventEmitter$5.prototype.eventNames=function eventNames(){
return this._eventsCount>0?Reflect.ownKeys(this._events):[]};var _polyfillNode_events=Object.freeze({__proto__:null,default:EventEmitter$5,EventEmitter:EventEmitter$5}),require$$1$3=getAugmentedNamespace(_polyfillNode_events);const process$2=require$$0$4,debug$1=browser.exports,marky=require$$2$1,EventEmitter$4=require$$1$3.EventEmitter,isWindows="win32"===process$2.platform,isBrowser=process$2.browser,colors={red:isBrowser?"crimson":1,yellow:isBrowser?"gold":3,cyan:isBrowser?"darkturquoise":6,green:isBrowser?"forestgreen":2,blue:isBrowser?"steelblue":4,magenta:isBrowser?"palevioletred":5};debug$1.colors=[colors.cyan,colors.green,colors.blue,colors.magenta];class Emitter extends EventEmitter$4{issueStatus(e,t){"status"!==e&&"statusEnd"!==e||this.emit(e,[e,...t])}issueWarning(e,t){this.emit("warning",[e,...t])}}const loggersByTitle={},loggingBufferColumns=25;let level_;class Log{static _logToStdErr(e,t){Log.loggerfn(e)(...t)}static loggerfn(e){let t=loggersByTitle[e=`LH:${e}`]
;return t||(t=debug$1(e),loggersByTitle[e]=t,e.endsWith("error")?t.color=colors.red:e.endsWith("warn")&&(t.color=colors.yellow)),t}static setLevel(e){switch(level_=e,e){case"silent":debug$1.enable("-LH:*");break;case"verbose":debug$1.enable("LH:*");break;case"error":debug$1.enable("-LH:*, LH:*:error");break;default:debug$1.enable("LH:*, -LH:*:verbose")}}static formatProtocol(e,t,r){const n=!process$2||process$2.browser?1/0:process$2.stdout.columns,a=t.method||"?????",i=n-a.length-e.length-loggingBufferColumns,o=t.params&&"IO.read"!==a?JSON.stringify(t.params).substr(0,i):"";Log._logToStdErr(`${e}:${r||""}`,[a,o])}static isVerbose(){return"verbose"===level_}static time({msg:e,id:t,args:r=[]},n="log"){marky.mark(t),Log[n]("status",e,...r)}static timeEnd({msg:e,id:t,args:r=[]},n="verbose"){Log[n]("statusEnd",e,...r),marky.stop(t)}static log(e,...t){return Log.events.issueStatus(e,t),Log._logToStdErr(e,t)}static warn(e,...t){return Log.events.issueWarning(e,t),
Log._logToStdErr(`${e}:warn`,t)}static error(e,...t){return Log._logToStdErr(`${e}:error`,t)}static verbose(e,...t){return Log.events.issueStatus(e,t),Log._logToStdErr(`${e}:verbose`,t)}static greenify(e){return`${Log.green}${e}${Log.reset}`}static redify(e){return`${Log.red}${e}${Log.reset}`}static get green(){return""}static get red(){return""}static get yellow(){return""}static get purple(){return""}static get reset(){return""}static get bold(){return""}static get dim(){return""}static get tick(){return isWindows?"√":"✓"}static get cross(){return isWindows?"×":"✘"}static get whiteSmallSquare(){return isWindows?"·":"▫"}static get heavyHorizontal(){return isWindows?"─":"━"}static get heavyVertical(){return isWindows?"│ ":"┃ "}static get heavyUpAndRight(){return isWindows?"└":"┗"}static get heavyVerticalAndRight(){return isWindows?"├":"┣"}static get heavyDownAndHorizontal(){return isWindows?"┬":"┳"}static get doubleLightHorizontal(){return"──"}}
Log.events=new Emitter,Log.takeTimeEntries=()=>{const e=marky.getEntries();return marky.clear(),e},Log.getTimeEntries=()=>marky.getEntries();var lighthouseLogger=Log;const DEVTOOLS_RTT_ADJUSTMENT_FACTOR=3.75,DEVTOOLS_THROUGHPUT_ADJUSTMENT_FACTOR=.9,throttling={DEVTOOLS_RTT_ADJUSTMENT_FACTOR,DEVTOOLS_THROUGHPUT_ADJUSTMENT_FACTOR,mobileSlow4G:{rttMs:150,throughputKbps:1638.4,requestLatencyMs:150*DEVTOOLS_RTT_ADJUSTMENT_FACTOR,downloadThroughputKbps:1638.4*DEVTOOLS_THROUGHPUT_ADJUSTMENT_FACTOR,uploadThroughputKbps:750*DEVTOOLS_THROUGHPUT_ADJUSTMENT_FACTOR,cpuSlowdownMultiplier:4},mobileRegular3G:{rttMs:300,throughputKbps:700,requestLatencyMs:300*DEVTOOLS_RTT_ADJUSTMENT_FACTOR,downloadThroughputKbps:700*DEVTOOLS_THROUGHPUT_ADJUSTMENT_FACTOR,uploadThroughputKbps:700*DEVTOOLS_THROUGHPUT_ADJUSTMENT_FACTOR,cpuSlowdownMultiplier:4},desktopDense4G:{rttMs:40,throughputKbps:10240,cpuSlowdownMultiplier:1,requestLatencyMs:0,downloadThroughputKbps:0,uploadThroughputKbps:0}},MOTOG4_EMULATION_METRICS={
mobile:!0,width:360,height:640,deviceScaleFactor:2.625,disabled:!1},DESKTOP_EMULATION_METRICS={mobile:!1,width:1350,height:940,deviceScaleFactor:1,disabled:!1},screenEmulationMetrics={mobile:MOTOG4_EMULATION_METRICS,desktop:DESKTOP_EMULATION_METRICS},MOTOG4_USERAGENT="Mozilla/5.0 (Linux; Android 7.0; Moto G (4)) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/98.0.4695.0 Mobile Safari/537.36 Chrome-Lighthouse",DESKTOP_USERAGENT="Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/98.0.4695.0 Safari/537.36 Chrome-Lighthouse",userAgents={mobile:MOTOG4_USERAGENT,desktop:DESKTOP_USERAGENT},defaultSettings={output:"json",maxWaitForFcp:3e4,maxWaitForLoad:45e3,formFactor:"mobile",throttling:throttling.mobileSlow4G,throttlingMethod:"simulate",screenEmulation:screenEmulationMetrics.mobile,emulatedUserAgent:userAgents.mobile,auditMode:!1,gatherMode:!1,disableStorageReset:!1,debugNavigation:!1,channel:"node",budgets:null,locale:"en-US",
blockedUrlPatterns:null,additionalTraceCategories:null,extraHeaders:null,precomputedLanternData:null,onlyAudits:null,onlyCategories:null,skipAudits:null},defaultPassConfig={passName:"defaultPass",loadFailureMode:"fatal",recordTrace:!1,useThrottling:!1,pauseAfterFcpMs:0,pauseAfterLoadMs:0,networkQuietThresholdMs:0,cpuQuietThresholdMs:0,blockedUrlPatterns:[],blankPage:"about:blank",gatherers:[]},defaultNavigationConfig={id:"default",loadFailureMode:"fatal",disableThrottling:!1,disableStorageReset:!1,pauseAfterFcpMs:0,pauseAfterLoadMs:0,networkQuietThresholdMs:0,cpuQuietThresholdMs:0,blockedUrlPatterns:[],blankPage:"about:blank",artifacts:[]},nonSimulatedPassConfigOverrides={pauseAfterFcpMs:5250,pauseAfterLoadMs:5250,networkQuietThresholdMs:5250,cpuQuietThresholdMs:5250};var constants$7={throttling,screenEmulationMetrics,userAgents,defaultSettings,defaultPassConfig,defaultNavigationConfig,nonSimulatedPassConfigOverrides};function wrapRuntimeEvalErrorInBrowser(e){
return e&&"string"!=typeof e||(e=new Error(e)),{__failedInBrowser:!0,name:e.name||"Error",message:e.message||"unknown error",stack:e.stack}}function getElementsInDocument(e){const t=window.__ElementMatches||window.Element.prototype.matches,r=[],_findAllElements=n=>{for(let a,i=0;a=n[i];++i){if(!e||t.call(a,e)){const e=a;r.push(e)}a.shadowRoot&&_findAllElements(a.shadowRoot.querySelectorAll("*"))}};return _findAllElements(document.querySelectorAll("*")),r}function getOuterHTMLSnippet(e,t=[],r=500){const n=["autofill-information","autofill-prediction","title"];e instanceof ShadowRoot&&(e=e.host);try{const a=e.cloneNode();e.ownerDocument.createElement("template").content.append(a),t.concat(n).forEach((e=>{a.removeAttribute(e)}));let i=0;for(const t of a.getAttributeNames()){if(i>r){a.removeAttribute(t);continue}let n=a.getAttribute(t);if(null===n)continue;let o=!1;if("src"===t&&"currentSrc"in e){const t=e,r=t.currentSrc,a=t.ownerDocument.location.href;new URL(n,a).toString()!==r&&(n=r,
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function getNodePath(e){const isShadowRoot=e=>e.nodeType===Node.DOCUMENT_FRAGMENT_NODE,getNodeParent=e=>isShadowRoot(e)?e.host:e.parentNode;function getNodeIndex(e){if(isShadowRoot(e))return"a";let t,r=0;for(;t=e.previousSibling;)(e=t).nodeType===Node.TEXT_NODE&&0===(e.nodeValue||"").trim().length||r++;return r}let t=e;const r=[];for(;t&&getNodeParent(t);){const e=getNodeIndex(t);r.push([e,t.nodeName]),t=getNodeParent(t)}return r.reverse(),r.join(",")}function getNodeSelector(e){function getSelectorPart(e){let t=e.tagName.toLowerCase();return e.id?t+="#"+e.id:e.classList.length>0&&(t+="."+e.classList[0]),t}const t=[];for(;t.length<4&&(t.unshift(getSelectorPart(e)),e.parentElement)&&"HTML"!==(e=e.parentElement).tagName;);return t.join(" > ")}function isPositionFixed(e){function getStyleAttrValue(e,t){return e.style[t]||window.getComputedStyle(e)[t]}const t=document.querySelector("html");if(!t)throw new Error("html element not found in document")
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const getNodeDetailsString=`function getNodeDetails(element) {\n  ${getNodePath.toString()};\n  ${getNodeSelector.toString()};\n  ${getBoundingClientRect.toString()};\n  ${getOuterHTMLSnippet.toString()};\n  ${getNodeLabel.toString()};\n  return (${getNodeDetails.toString()})(element);\n}`;var pageFunctions$h={wrapRuntimeEvalErrorInBrowserString:wrapRuntimeEvalErrorInBrowser.toString(),wrapRuntimeEvalErrorInBrowser,getElementsInDocument,getElementsInDocumentString:getElementsInDocument.toString(),getOuterHTMLSnippetString:getOuterHTMLSnippet.toString(),getOuterHTMLSnippet,computeBenchmarkIndex,computeBenchmarkIndexString:computeBenchmarkIndex.toString(),getMaxTextureSize,getNodeDetailsString,getNodeDetails,getNodePathString:getNodePath.toString(),getNodeSelectorString:getNodeSelector.toString(),getNodePath,getNodeSelector,getNodeLabel,getNodeLabelString:getNodeLabel.toString(),isPositionFixedString:isPositionFixed.toString(),wrapRequestIdleCallback,
getBoundingClientRectString:getBoundingClientRect.toString()};function normalizeArray(e,t){for(var r=0,n=e.length-1;n>=0;n--){var a=e[n];"."===a?e.splice(n,1):".."===a?(e.splice(n,1),r++):r&&(e.splice(n,1),r--)}if(t)for(;r--;r)e.unshift("..");return e}var splitPathRe=/^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/,splitPath=function(e){return splitPathRe.exec(e).slice(1)};function resolve(){for(var e="",t=!1,r=arguments.length-1;r>=-1&&!t;r--){var n=r>=0?arguments[r]:"/";if("string"!=typeof n)throw new TypeError("Arguments to path.resolve must be strings");n&&(e=n+"/"+e,t="/"===n.charAt(0))}return(t?"/":"")+(e=normalizeArray(filter(e.split("/"),(function(e){return!!e})),!t).join("/"))||"."}function normalize(e){var t=isAbsolute(e),r="/"===substr(e,-1);return(e=normalizeArray(filter(e.split("/"),(function(e){return!!e})),!t).join("/"))||t||(e="."),e&&r&&(e+="/"),(t?"/":"")+e}function isAbsolute(e){return"/"===e.charAt(0)}function join(){
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function peg$computeLocation(e,t){var r=peg$computePosDetails(e),n=peg$computePosDetails(t);return{start:{offset:e,line:r.line,column:r.column},end:{offset:t,line:n.line,column:n.column}}}function peg$fail(e){re<ie||(re>ie&&(ie=re,se=[]),se.push(e))}function peg$parsestart(){return peg$parsemessageFormatPattern()}function peg$parsemessageFormatPattern(){var e,t,r;for(e=re,t=[],r=peg$parsemessageFormatElement();r!==n;)t.push(r),r=peg$parsemessageFormatElement();return t!==n&&(ne=e,t={type:"messageFormatPattern",elements:t,location:location()}),e=t}function peg$parsemessageFormatElement(){var t;return(t=function peg$parsemessageTextElement(){var t,r;t=re,(r=function peg$parsemessageText(){var t,r,a,i,o,l;t=re,r=[],a=re,(i=peg$parse_())!==n&&(o=peg$parsechars())!==n&&(l=peg$parse_())!==n?a=i=[i,o,l]:(re=a,a=n);if(a!==n)for(;a!==n;)r.push(a),a=re,(i=peg$parse_())!==n&&(o=peg$parsechars())!==n&&(l=peg$parse_())!==n?a=i=[i,o,l]:(re=a,a=n);else r=n;r!==n&&(ne=t,r=r.reduce((function(e,t){
return e.concat(t)}),[]).join(""));(t=r)===n&&(t=re,t=(r=peg$parsews())!==n?e.substring(t,re):r);return t}())!==n&&(ne=t,r={type:"messageTextElement",value:r,location:location()});return t=r}())===n&&(t=function peg$parseargumentElement(){var t,r,a,i,D,C,k;t=re,123===e.charCodeAt(re)?(r="{",re++):(r=n,0===oe&&peg$fail(o));r!==n&&peg$parse_()!==n&&(a=function peg$parseargument(){var e,t,r;if((e=peg$parsenumber())===n){for(e