web-vitals - npm Package Compare versions

Comparing version 4.0.0-beta.0 to 4.0.0-beta.1

dist/modules/attribution/onTTFB.js

@@ -25,6 +25,6 @@ /*
         metric.attribution = {
-            waitingTime: dnsStart,
-            dnsTime: connectStart - dnsStart,
-            connectionTime: requestStart - connectStart,
-            requestTime: metric.value - requestStart,
+            waitingDuration: dnsStart,
+            dnsDuration: connectStart - dnsStart,
+            connectionDuration: requestStart - connectStart,
+            requestDuration: metric.value - requestStart,
             navigationEntry: navigationEntry,
@@ -36,6 +36,6 @@ };
     metric.attribution = {
-        waitingTime: 0,
-        dnsTime: 0,
-        connectionTime: 0,
-        requestTime: 0,
+        waitingDuration: 0,
+        dnsDuration: 0,
+        connectionDuration: 0,
+        requestDuration: 0,
     };
@@ -42,0 +42,0 @@ };

dist/modules/lib/interactions.d.ts

@@ -12,7 +12,2 @@ interface Interaction {
 export declare const DEFAULT_DURATION_THRESHOLD = 40;
-/**
- * Returns the interaction count since the last bfcache restore (or for the
- * full page lifecycle if there were no bfcache restores).
- */
-export declare const getInteractionCountForNavigation: () => number;
 export declare const resetInteractions: () => void;
@@ -19,0 +14,0 @@ /**

dist/modules/lib/interactions.js

@@ -33,3 +33,3 @@ /*
  */
-export const getInteractionCountForNavigation = () => {
+const getInteractionCountForNavigation = () => {
     return getInteractionCount() - prevInteractionCount;
@@ -36,0 +36,0 @@ };

dist/modules/lib/whenIdle.js

@@ -17,4 +17,4 @@ /*
 import { onHidden } from './onHidden.js';
+import { runOnce } from './runOnce.js';
 const rIC = self.requestIdleCallback || self.setTimeout;
-const cIC = self.cancelIdleCallback || self.clearTimeout;
 /**
@@ -26,2 +26,5 @@ * Runs the passed callback during the next idle period, or immediately
     let handle = -1;
+    cb = runOnce(cb);
+    // If the document is hidden, run the callback immediately, otherwise
+    // race an idle callback with the next `visibilitychange` event.
     if (document.visibilityState === 'hidden') {
@@ -32,8 +35,5 @@ cb();
         handle = rIC(cb);
-        onHidden(() => {
-            cIC(handle);
-            cb();
-        });
+        onHidden(cb);
     }
     return handle;
 };

dist/modules/onINP.js

@@ -19,3 +19,3 @@ /*
 import { initMetric } from './lib/initMetric.js';
-import { DEFAULT_DURATION_THRESHOLD, processInteractionEntry, estimateP98LongestInteraction, getInteractionCountForNavigation, resetInteractions, } from './lib/interactions.js';
+import { DEFAULT_DURATION_THRESHOLD, processInteractionEntry, estimateP98LongestInteraction, resetInteractions, } from './lib/interactions.js';
 import { observe } from './lib/observe.js';
@@ -62,14 +62,4 @@ import { onHidden } from './lib/onHidden.js';
         let report;
-        const durationThreshold = opts.durationThreshold ?? DEFAULT_DURATION_THRESHOLD;
         const handleEntries = (entries) => {
-            entries.forEach((entry) => {
-                // Ignore `first-input` entries if the duration value is greater
-                // than the threshold (since that means an `event` entry should
-                // have been dispatched).
-                if (entry.entryType === 'first-input' &&
-                    entry.duration >= durationThreshold) {
-                    return;
-                }
-                processInteractionEntry(entry);
-            });
+            entries.forEach(processInteractionEntry);
             const inp = estimateP98LongestInteraction();
@@ -102,8 +92,2 @@ if (inp && inp.latency !== metric.value) {
                 handleEntries(po.takeRecords());
-                // If the interaction count shows that there were interactions but
-                // none were captured by the PerformanceObserver, report a latency of 0.
-                if (metric.value < 0 && getInteractionCountForNavigation() > 0) {
-                    metric.value = 0;
-                    metric.entries = [];
-                }
                 report(true);
@@ -110,0 +94,0 @@ });

dist/modules/types/ttfb.d.ts

@@ -20,17 +20,17 @@ import type { Metric } from './base.js';
      */
-    waitingTime: number;
+    waitingDuration: number;
     /**
      * The total time to resolve the DNS for the current request.
      */
-    dnsTime: number;
+    dnsDuration: number;
     /**
      * The total time to create the connection to the requested domain.
      */
-    connectionTime: number;
+    connectionDuration: number;
     /**
-     * The time time from when the request was sent until the first byte of the
+     * The total time from when the request was sent until the first byte of the
      * response was received. This includes network time as well as server
      * processing time.
      */
-    requestTime: number;
+    requestDuration: number;
     /**
@@ -37,0 +37,0 @@ * The `navigation` entry of the current page, which is useful for diagnosing

dist/web-vitals.attribution.iife.js

@@ -1,1 +0,1 @@
-var webVitals=function(t){"use strict";var e,n,r=function(){return self.performance&&performance.getEntriesByType&&performance.getEntriesByType("navigation")[0]},i=function(t){if("loading"===document.readyState)return"loading";var e=r();if(e){if(t<e.domInteractive)return"loading";if(0===e.domContentLoadedEventStart||t<e.domContentLoadedEventStart)return"dom-interactive";if(0===e.domComplete||t<e.domComplete)return"dom-content-loaded"}return"complete"},a=function(t){var e=t.nodeName;return 1===t.nodeType?e.toLowerCase():e.toUpperCase().replace(/^#/,"")},o=function(t,e){var n="";try{for(;t&&9!==t.nodeType;){var r=t,i=r.id?"#"+r.id:a(r)+(r.classList&&r.classList.value&&r.classList.value.trim()&&r.classList.value.trim().length?"."+r.classList.value.trim().replace(/\s+/g,"."):"");if(n.length+i.length>(e||100)-1)return n||i;if(n=n?i+">"+n:i,r.id)break;t=r.parentNode}}catch(t){}return n},u=-1,c=function(){return u},s=function(t){addEventListener("pageshow",(function(e){e.persisted&&(u=e.timeStamp,t(e))}),!0)},f=function(){var t=r();return t&&t.activationStart||0},l=function(t,e){var n=r(),i="navigate";c()>=0?i="back-forward-cache":n&&(document.prerendering||f()>0?i="prerender":document.wasDiscarded?i="restore":n.type&&(i=n.type.replace(/_/g,"-")));return{name:t,value:void 0===e?-1:e,rating:"good",delta:0,entries:[],id:"v4-".concat(Date.now(),"-").concat(Math.floor(8999999999999*Math.random())+1e12),navigationType:i}},d=function(t,e,n){try{if(PerformanceObserver.supportedEntryTypes.includes(t)){var r=new PerformanceObserver((function(t){Promise.resolve().then((function(){e(t.getEntries())}))}));return r.observe(Object.assign({type:t,buffered:!0},n||{})),r}}catch(t){}},m=function(t,e,n,r){var i,a;return function(o){e.value>=0&&(o||r)&&((a=e.value-(i||0))||void 0===i)&&(i=e.value,e.delta=a,e.rating=function(t,e){return t>e[1]?"poor":t>e[0]?"needs-improvement":"good"}(e.value,n),t(e))}},p=function(t){requestAnimationFrame((function(){return requestAnimationFrame((function(){return t()}))}))},v=function(t){document.addEventListener("visibilitychange",(function(){"hidden"===document.visibilityState&&t()}))},h=function(t){var e=!1;return function(){e||(t(),e=!0)}},g=-1,T=function(){return"hidden"!==document.visibilityState||document.prerendering?1/0:0},y=function(t){"hidden"===document.visibilityState&&g>-1&&(g="visibilitychange"===t.type?t.timeStamp:0,S())},E=function(){addEventListener("visibilitychange",y,!0),addEventListener("prerenderingchange",y,!0)},S=function(){removeEventListener("visibilitychange",y,!0),removeEventListener("prerenderingchange",y,!0)},b=function(){return g<0&&(g=T(),E(),s((function(){setTimeout((function(){g=T(),E()}),0)}))),{get firstHiddenTime(){return g}}},C=function(t){document.prerendering?addEventListener("prerenderingchange",(function(){return t()}),!0):t()},L=[1800,3e3],M=function(t,e){e=e||{},C((function(){var n,r=b(),i=l("FCP"),a=d("paint",(function(t){t.forEach((function(t){"first-contentful-paint"===t.name&&(a.disconnect(),t.startTime<r.firstHiddenTime&&(i.value=Math.max(t.startTime-f(),0),i.entries.push(t),n(!0)))}))}));a&&(n=m(t,i,L,e.reportAllChanges),s((function(r){i=l("FCP"),n=m(t,i,L,e.reportAllChanges),p((function(){i.value=performance.now()-r.timeStamp,n(!0)}))})))}))},w=[.1,.25],F=function(t){return t<=0||t>performance.now()},I=0,P=1/0,D=0,k=function(t){t.forEach((function(t){t.interactionId&&(P=Math.min(P,t.interactionId),D=Math.max(D,t.interactionId),I=D?(D-P)/7+1:0)}))},x=function(){"interactionCount"in performance||e||(e=d("event",k,{type:"event",buffered:!0,durationThreshold:0}))},A=[],B=new Map,R=0,q=function(){return(e?I:performance.interactionCount||0)-R},N=[],H=self.requestIdleCallback||self.setTimeout,O=self.cancelIdleCallback||self.clearTimeout,V=function(t){var e=-1;return"hidden"===document.visibilityState?t():(e=H(t),v((function(){O(e),t()}))),e},W=[200,500],j=function(t,e){e=e||{},C((function(){var n,r;x();var i,a=l("INP"),o=null!==(n=e.durationThreshold)&&void 0!==n?n:40,u=function(t){t.forEach((function(t){"first-input"===t.entryType&&t.duration>=o||function(t){if(N.forEach((function(e){return e(t)})),t.interactionId||"first-input"===t.entryType){var e=A[A.length-1],n=B.get(t.interactionId);if(n||A.length<10||t.duration>e.latency){if(n)t.duration>n.latency?(n.entries=[t],n.latency=t.duration):t.duration===n.latency&&t.startTime===n.entries[0].startTime&&n.entries.push(t);else{var r={id:t.interactionId,latency:t.duration,entries:[t]};B.set(r.id,r),A.push(r)}A.sort((function(t,e){return e.latency-t.latency})),A.length>10&&A.splice(10).forEach((function(t){return B.delete(t.id)}))}}}(t)}));var e,n=(e=Math.min(A.length-1,Math.floor(q()/50)),A[e]);n&&n.latency!==a.value&&(a.value=n.latency,a.entries=n.entries,i())},c=d("event",u,{durationThreshold:null!==(r=e.durationThreshold)&&void 0!==r?r:40});i=m(t,a,W,e.reportAllChanges),c&&("PerformanceEventTiming"in self&&"interactionId"in PerformanceEventTiming.prototype&&c.observe({type:"first-input",buffered:!0}),v((function(){u(c.takeRecords()),a.value<0&&q()>0&&(a.value=0,a.entries=[]),i(!0)})),s((function(){R=0,A.length=0,B.clear(),a=l("INP"),i=m(t,a,W,e.reportAllChanges)})))}))},U=[],_=new Map,z=[],G=new WeakMap,J=-1,K=function(t){t.forEach((function(t){return U.push(t)}))},Q=function(){z=z.slice(-50);var t=new Set(z.concat(A.map((function(t){return G.get(t.entries[0])}))));_.forEach((function(e,n){t.has(n)||_.delete(n)}));var e=new Set;_.forEach((function(t){tt(t.startTime,t.processingEnd).forEach((function(t){e.add(t)}))})),U=Array.from(e),J=-1};N.push((function(t){for(var e,n=t.startTime+t.duration,r=z.length-1;r>=0;r--)if(e=z[r],Math.abs(n-e)<=8){var i=_.get(e);i.startTime=Math.min(t.startTime,i.startTime),i.processingStart=Math.min(t.processingStart,i.processingStart),i.processingEnd=Math.max(t.processingEnd,i.processingEnd),i.entries.push(t),n=e;break}n!==e&&(z.push(n),_.set(n,{startTime:t.startTime,processingStart:t.processingStart,processingEnd:t.processingEnd,entries:[t]})),(t.interactionId||"first-input"===t.entryType)&&G.set(t,n),J<0&&(J=V(Q))}));var X,Y,Z,$,tt=function(t,e){for(var n,r=[],i=0;n=U[i];i++)if(!(n.startTime+n.duration<t)){if(n.startTime>e)break;r.push(n)}return r},et=[2500,4e3],nt={},rt=[800,1800],it=function t(e){document.prerendering?C((function(){return t(e)})):"complete"!==document.readyState?addEventListener("load",(function(){return t(e)}),!0):setTimeout(e,0)},at=function(t,e){e=e||{};var n=l("TTFB"),i=m(t,n,rt,e.reportAllChanges);it((function(){var a=r();if(a){var o=a.responseStart;if(F(o))return;n.value=Math.max(o-f(),0),n.entries=[a],i(!0),s((function(){n=l("TTFB",0),(i=m(t,n,rt,e.reportAllChanges))(!0)}))}}))},ot={passive:!0,capture:!0},ut=new Date,ct=function(t,e){X||(X=e,Y=t,Z=new Date,lt(removeEventListener),st())},st=function(){if(Y>=0&&Y<Z-ut){var t={entryType:"first-input",name:X.type,target:X.target,cancelable:X.cancelable,startTime:X.timeStamp,processingStart:X.timeStamp+Y};$.forEach((function(e){e(t)})),$=[]}},ft=function(t){if(t.cancelable){var e=(t.timeStamp>1e12?new Date:performance.now())-t.timeStamp;"pointerdown"==t.type?function(t,e){var n=function(){ct(t,e),i()},r=function(){i()},i=function(){removeEventListener("pointerup",n,ot),removeEventListener("pointercancel",r,ot)};addEventListener("pointerup",n,ot),addEventListener("pointercancel",r,ot)}(e,t):ct(e,t)}},lt=function(t){["mousedown","keydown","touchstart","pointerdown"].forEach((function(e){return t(e,ft,ot)}))},dt=[100,300],mt=function(t,e){e=e||{},C((function(){var n,r=b(),i=l("FID"),a=function(t){t.startTime<r.firstHiddenTime&&(i.value=t.processingStart-t.startTime,i.entries.push(t),n(!0))},o=function(t){t.forEach(a)},u=d("first-input",o);n=m(t,i,dt,e.reportAllChanges),u&&(v(h((function(){o(u.takeRecords()),u.disconnect()}))),s((function(){var r;i=l("FID"),n=m(t,i,dt,e.reportAllChanges),$=[],Y=-1,X=null,lt(addEventListener),r=a,$.push(r),st()})))}))};return t.CLSThresholds=w,t.FCPThresholds=L,t.FIDThresholds=dt,t.INPThresholds=W,t.LCPThresholds=et,t.TTFBThresholds=rt,t.onCLS=function(t,e){!function(t,e){e=e||{},M(h((function(){var n,r=l("CLS",0),i=0,a=[],o=function(t){t.forEach((function(t){if(!t.hadRecentInput){var e=a[0],n=a[a.length-1];i&&t.startTime-n.startTime<1e3&&t.startTime-e.startTime<5e3?(i+=t.value,a.push(t)):(i=t.value,a=[t])}})),i>r.value&&(r.value=i,r.entries=a,n())},u=d("layout-shift",o);u&&(n=m(t,r,w,e.reportAllChanges),v((function(){o(u.takeRecords()),n(!0)})),s((function(){i=0,r=l("CLS",0),n=m(t,r,w,e.reportAllChanges),p((function(){return n()}))})),setTimeout(n,0))})))}((function(e){!function(t){if(t.entries.length){var e=t.entries.reduce((function(t,e){return t&&t.value>e.value?t:e}));if(e&&e.sources&&e.sources.length){var n=(r=e.sources).find((function(t){return t.node&&1===t.node.nodeType}))||r[0];if(n)return void(t.attribution={largestShiftTarget:o(n.node),largestShiftTime:e.startTime,largestShiftValue:e.value,largestShiftSource:n,largestShiftEntry:e,loadState:i(e.startTime)})}}var r;t.attribution={}}(e),t(e)}),e)},t.onFCP=function(t,e){M((function(e){!function(t){if(t.entries.length){var e=r(),n=t.entries[t.entries.length-1];if(e){var a=e.responseStart;if(F(a))return;var o=e.activationStart||0,u=Math.max(0,a-o);return void(t.attribution={timeToFirstByte:u,firstByteToFCP:t.value-u,loadState:i(t.entries[0].startTime),navigationEntry:e,fcpEntry:n})}}t.attribution={timeToFirstByte:0,firstByteToFCP:t.value,loadState:i(c())}}(e),t(e)}),e)},t.onFID=function(t,e){mt((function(e){!function(t){var e=t.entries[0];t.attribution={eventTarget:o(e.target),eventType:e.name,eventTime:e.startTime,eventEntry:e,loadState:i(e.startTime)}}(e),t(e)}),e)},t.onINP=function(t,e){n||(n=d("long-animation-frame",K)),j((function(e){V((function(){!function(t){var e=t.entries[0],n=G.get(e),r=_.get(n),a=e.processingStart,u=r.processingEnd,c=r.entries.sort((function(t,e){return t.processingStart-e.processingStart})),s=tt(e.startTime,u),f=t.entries.find((function(t){return t.target})),l=[e.startTime+e.duration,u].concat(s.map((function(t){return t.startTime+t.duration}))),d=Math.max.apply(Math,l);t.attribution={interactionTarget:o(f&&f.target),interactionType:e.name.startsWith("key")?"keyboard":"pointer",interactionTime:e.startTime,nextPaintTime:d,processedEventEntries:c,longAnimationFrameEntries:s,inputDelay:a-e.startTime,processingDuration:u-a,presentationDelay:Math.max(d-u,0),loadState:i(e.startTime)}}(e),t(e)}))}),e)},t.onLCP=function(t,e){!function(t,e){e=e||{},C((function(){var n,r=b(),i=l("LCP"),a=function(t){var e=t[t.length-1];e&&e.startTime<r.firstHiddenTime&&(i.value=Math.max(e.startTime-f(),0),i.entries=[e],n())},o=d("largest-contentful-paint",a);if(o){n=m(t,i,et,e.reportAllChanges);var u=h((function(){nt[i.id]||(a(o.takeRecords()),o.disconnect(),nt[i.id]=!0,n(!0))}));["keydown","click"].forEach((function(t){addEventListener(t,(function(){return V(u)}),!0)})),v(u),s((function(r){i=l("LCP"),n=m(t,i,et,e.reportAllChanges),p((function(){i.value=performance.now()-r.timeStamp,nt[i.id]=!0,n(!0)}))}))}}))}((function(e){!function(t){if(t.entries.length){var e=r();if(e){var n=e.responseStart;if(F(n))return;var i=e.activationStart||0,a=t.entries[t.entries.length-1],u=a.url&&performance.getEntriesByType("resource").filter((function(t){return t.name===a.url}))[0],c=Math.max(0,n-i),s=Math.max(c,u?(u.requestStart||u.startTime)-i:0),f=Math.max(s,u?u.responseEnd-i:0),l=Math.max(f,a.startTime-i),d={element:o(a.element),timeToFirstByte:c,resourceLoadDelay:s-c,resourceLoadDuration:f-s,elementRenderDelay:l-f,navigationEntry:e,lcpEntry:a};return a.url&&(d.url=a.url),u&&(d.lcpResourceEntry=u),void(t.attribution=d)}}t.attribution={timeToFirstByte:0,resourceLoadDelay:0,resourceLoadDuration:0,elementRenderDelay:t.value}}(e),t(e)}),e)},t.onTTFB=function(t,e){at((function(e){!function(t){if(t.entries.length){var e=t.entries[0],n=e.activationStart||0,r=Math.max(e.domainLookupStart-n,0),i=Math.max(e.connectStart-n,0),a=Math.max(e.requestStart-n,0);t.attribution={waitingTime:r,dnsTime:i-r,connectionTime:a-i,requestTime:t.value-a,navigationEntry:e}}else t.attribution={waitingTime:0,dnsTime:0,connectionTime:0,requestTime:0}}(e),t(e)}),e)},t}({});
+var webVitals=function(t){"use strict";var e,n,r=function(){return self.performance&&performance.getEntriesByType&&performance.getEntriesByType("navigation")[0]},i=function(t){if("loading"===document.readyState)return"loading";var e=r();if(e){if(t<e.domInteractive)return"loading";if(0===e.domContentLoadedEventStart||t<e.domContentLoadedEventStart)return"dom-interactive";if(0===e.domComplete||t<e.domComplete)return"dom-content-loaded"}return"complete"},a=function(t){var e=t.nodeName;return 1===t.nodeType?e.toLowerCase():e.toUpperCase().replace(/^#/,"")},o=function(t,e){var n="";try{for(;t&&9!==t.nodeType;){var r=t,i=r.id?"#"+r.id:a(r)+(r.classList&&r.classList.value&&r.classList.value.trim()&&r.classList.value.trim().length?"."+r.classList.value.trim().replace(/\s+/g,"."):"");if(n.length+i.length>(e||100)-1)return n||i;if(n=n?i+">"+n:i,r.id)break;t=r.parentNode}}catch(t){}return n},u=-1,c=function(){return u},s=function(t){addEventListener("pageshow",(function(e){e.persisted&&(u=e.timeStamp,t(e))}),!0)},f=function(){var t=r();return t&&t.activationStart||0},d=function(t,e){var n=r(),i="navigate";c()>=0?i="back-forward-cache":n&&(document.prerendering||f()>0?i="prerender":document.wasDiscarded?i="restore":n.type&&(i=n.type.replace(/_/g,"-")));return{name:t,value:void 0===e?-1:e,rating:"good",delta:0,entries:[],id:"v4-".concat(Date.now(),"-").concat(Math.floor(8999999999999*Math.random())+1e12),navigationType:i}},l=function(t,e,n){try{if(PerformanceObserver.supportedEntryTypes.includes(t)){var r=new PerformanceObserver((function(t){Promise.resolve().then((function(){e(t.getEntries())}))}));return r.observe(Object.assign({type:t,buffered:!0},n||{})),r}}catch(t){}},m=function(t,e,n,r){var i,a;return function(o){e.value>=0&&(o||r)&&((a=e.value-(i||0))||void 0===i)&&(i=e.value,e.delta=a,e.rating=function(t,e){return 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dist/web-vitals.iife.js

@@ -1,1 +0,1 @@
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dist/web-vitals.js

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n(e)})),e.interactionId||"first-input"===e.entryType){var n=F[F.length-1],t=D.get(e.interactionId);if(t||F.length<10||e.duration>n.latency){if(t)e.duration>t.latency?(t.entries=[e],t.latency=e.duration):e.duration===t.latency&&e.startTime===t.entries[0].startTime&&t.entries.push(e);else{var i={id:e.interactionId,latency:e.duration,entries:[e]};D.set(i.id,i),F.push(i)}F.sort((function(e,n){return n.latency-e.latency})),F.length>10&&F.splice(10).forEach((function(e){return D.delete(e.id)}))}}}(e)}));var n,t=(n=Math.min(F.length-1,Math.floor(R()/50)),F[n]);t&&t.latency!==a.value&&(a.value=t.latency,a.entries=t.entries,r())},l=s("event",u,{durationThreshold:null!==(i=n.durationThreshold)&&void 0!==i?i:40});r=d(e,a,H,n.reportAllChanges),l&&("PerformanceEventTiming"in self&&"interactionId"in PerformanceEventTiming.prototype&&l.observe({type:"first-input",buffered:!0}),v((function(){u(l.takeRecords()),a.value<0&&R()>0&&(a.value=0,a.entries=[]),r(!0)})),o((function(){x=0,F.length=0,D.clear(),a=f("INP"),r=d(e,a,H,n.reportAllChanges)})))}))},O=self.requestIdleCallback||self.setTimeout,N=self.cancelIdleCallback||self.clearTimeout,j=[2500,4e3],_={},z=function(e,n){n=n||{},b((function(){var t,i=E(),r=f("LCP"),a=function(e){var n=e[e.length-1];n&&n.startTime<i.firstHiddenTime&&(r.value=Math.max(n.startTime-u(),0),r.entries=[n],t())},c=s("largest-contentful-paint",a);if(c){t=d(e,r,j,n.reportAllChanges);var m=p((function(){_[r.id]||(a(c.takeRecords()),c.disconnect(),_[r.id]=!0,t(!0))}));["keydown","click"].forEach((function(e){addEventListener(e,(function(){return e=m,n=-1,"hidden"===document.visibilityState?e():(n=O(e),v((function(){N(n),e()}))),n;var e,n}),!0)})),v(m),o((function(i){r=f("LCP"),t=d(e,r,j,n.reportAllChanges),l((function(){r.value=performance.now()-i.timeStamp,_[r.id]=!0,t(!0)}))}))}}))},G=[800,1800],J=function e(n){document.prerendering?b((function(){return e(n)})):"complete"!==document.readyState?addEventListener("load",(function(){return e(n)}),!0):setTimeout(n,0)},K=function(e,n){n=n||{};var t=f("TTFB"),i=d(e,t,G,n.reportAllChanges);J((function(){var r,a=c();if(a){var s=a.responseStart;if((r=s)<=0||r>performance.now())return;t.value=Math.max(s-u(),0),t.entries=[a],i(!0),o((function(){t=f("TTFB",0),(i=d(e,t,G,n.reportAllChanges))(!0)}))}}))},Q={passive:!0,capture:!0},U=new Date,V=function(e,r){n||(n=r,t=e,i=new Date,Y(removeEventListener),W())},W=function(){if(t>=0&&t<i-U){var e={entryType:"first-input",name:n.type,target:n.target,cancelable:n.cancelable,startTime:n.timeStamp,processingStart:n.timeStamp+t};r.forEach((function(n){n(e)})),r=[]}},X=function(e){if(e.cancelable){var n=(e.timeStamp>1e12?new Date:performance.now())-e.timeStamp;"pointerdown"==e.type?function(e,n){var t=function(){V(e,n),r()},i=function(){r()},r=function(){removeEventListener("pointerup",t,Q),removeEventListener("pointercancel",i,Q)};addEventListener("pointerup",t,Q),addEventListener("pointercancel",i,Q)}(n,e):V(n,e)}},Y=function(e){["mousedown","keydown","touchstart","pointerdown"].forEach((function(n){return e(n,X,Q)}))},Z=[100,300],$=function(e,i){i=i||{},b((function(){var a,c=E(),u=f("FID"),l=function(e){e.startTime<c.firstHiddenTime&&(u.value=e.processingStart-e.startTime,u.entries.push(e),a(!0))},m=function(e){e.forEach(l)},h=s("first-input",m);a=d(e,u,Z,i.reportAllChanges),h&&(v(p((function(){m(h.takeRecords()),h.disconnect()}))),o((function(){var o;u=f("FID"),a=d(e,u,Z,i.reportAllChanges),r=[],t=-1,n=null,Y(addEventListener),o=l,r.push(o),W()})))}))};export{S as CLSThresholds,C as FCPThresholds,Z as FIDThresholds,H as INPThresholds,j as LCPThresholds,G as TTFBThresholds,w as onCLS,L as onFCP,$ as onFID,q as onINP,z as onLCP,K as onTTFB};
+var e,n,t,r,i,a=-1,o=function(e){addEventListener("pageshow",(function(n){n.persisted&&(a=n.timeStamp,e(n))}),!0)},c=function(){return self.performance&&performance.getEntriesByType&&performance.getEntriesByType("navigation")[0]},u=function(){var e=c();return e&&e.activationStart||0},f=function(e,n){var t=c(),r="navigate";a>=0?r="back-forward-cache":t&&(document.prerendering||u()>0?r="prerender":document.wasDiscarded?r="restore":t.type&&(r=t.type.replace(/_/g,"-")));return{name:e,value:void 0===n?-1:n,rating:"good",delta:0,entries:[],id:"v4-".concat(Date.now(),"-").concat(Math.floor(8999999999999*Math.random())+1e12),navigationType:r}},s=function(e,n,t){try{if(PerformanceObserver.supportedEntryTypes.includes(e)){var r=new PerformanceObserver((function(e){Promise.resolve().then((function(){n(e.getEntries())}))}));return r.observe(Object.assign({type:e,buffered:!0},t||{})),r}}catch(e){}},d=function(e,n,t,r){var i,a;return function(o){n.value>=0&&(o||r)&&((a=n.value-(i||0))||void 0===i)&&(i=n.value,n.delta=a,n.rating=function(e,n){return e>n[1]?"poor":e>n[0]?"needs-improvement":"good"}(n.value,t),e(n))}},l=function(e){requestAnimationFrame((function(){return requestAnimationFrame((function(){return e()}))}))},p=function(e){document.addEventListener("visibilitychange",(function(){"hidden"===document.visibilityState&&e()}))},v=function(e){var n=!1;return function(){n||(e(),n=!0)}},m=-1,h=function(){return"hidden"!==document.visibilityState||document.prerendering?1/0:0},g=function(e){"hidden"===document.visibilityState&&m>-1&&(m="visibilitychange"===e.type?e.timeStamp:0,T())},y=function(){addEventListener("visibilitychange",g,!0),addEventListener("prerenderingchange",g,!0)},T=function(){removeEventListener("visibilitychange",g,!0),removeEventListener("prerenderingchange",g,!0)},E=function(){return m<0&&(m=h(),y(),o((function(){setTimeout((function(){m=h(),y()}),0)}))),{get firstHiddenTime(){return m}}},b=function(e){document.prerendering?addEventListener("prerenderingchange",(function(){return e()}),!0):e()},C=[1800,3e3],L=function(e,n){n=n||{},b((function(){var t,r=E(),i=f("FCP"),a=s("paint",(function(e){e.forEach((function(e){"first-contentful-paint"===e.name&&(a.disconnect(),e.startTime<r.firstHiddenTime&&(i.value=Math.max(e.startTime-u(),0),i.entries.push(e),t(!0)))}))}));a&&(t=d(e,i,C,n.reportAllChanges),o((function(r){i=f("FCP"),t=d(e,i,C,n.reportAllChanges),l((function(){i.value=performance.now()-r.timeStamp,t(!0)}))})))}))},S=[.1,.25],w=function(e,n){n=n||{},L(v((function(){var t,r=f("CLS",0),i=0,a=[],c=function(e){e.forEach((function(e){if(!e.hadRecentInput){var n=a[0],t=a[a.length-1];i&&e.startTime-t.startTime<1e3&&e.startTime-n.startTime<5e3?(i+=e.value,a.push(e)):(i=e.value,a=[e])}})),i>r.value&&(r.value=i,r.entries=a,t())},u=s("layout-shift",c);u&&(t=d(e,r,S,n.reportAllChanges),p((function(){c(u.takeRecords()),t(!0)})),o((function(){i=0,r=f("CLS",0),t=d(e,r,S,n.reportAllChanges),l((function(){return t()}))})),setTimeout(t,0))})))},A=0,I=1/0,P=0,M=function(e){e.forEach((function(e){e.interactionId&&(I=Math.min(I,e.interactionId),P=Math.max(P,e.interactionId),A=P?(P-I)/7+1:0)}))},k=function(){"interactionCount"in performance||e||(e=s("event",M,{type:"event",buffered:!0,durationThreshold:0}))},F=[],D=new Map,x=0,R=function(){return(e?A:performance.interactionCount||0)-x},B=[],H=function(e){if(B.forEach((function(n){return n(e)})),e.interactionId||"first-input"===e.entryType){var n=F[F.length-1],t=D.get(e.interactionId);if(t||F.length<10||e.duration>n.latency){if(t)e.duration>t.latency?(t.entries=[e],t.latency=e.duration):e.duration===t.latency&&e.startTime===t.entries[0].startTime&&t.entries.push(e);else{var r={id:e.interactionId,latency:e.duration,entries:[e]};D.set(r.id,r),F.push(r)}F.sort((function(e,n){return n.latency-e.latency})),F.length>10&&F.splice(10).forEach((function(e){return D.delete(e.id)}))}}},q=[200,500],O=function(e,n){n=n||{},b((function(){var t;k();var r,i=f("INP"),a=function(e){e.forEach(H);var n,t=(n=Math.min(F.length-1,Math.floor(R()/50)),F[n]);t&&t.latency!==i.value&&(i.value=t.latency,i.entries=t.entries,r())},c=s("event",a,{durationThreshold:null!==(t=n.durationThreshold)&&void 0!==t?t:40});r=d(e,i,q,n.reportAllChanges),c&&("PerformanceEventTiming"in self&&"interactionId"in PerformanceEventTiming.prototype&&c.observe({type:"first-input",buffered:!0}),p((function(){a(c.takeRecords()),r(!0)})),o((function(){x=0,F.length=0,D.clear(),i=f("INP"),r=d(e,i,q,n.reportAllChanges)})))}))},N=self.requestIdleCallback||self.setTimeout,j=[2500,4e3],_={},z=function(e,n){n=n||{},b((function(){var t,r=E(),i=f("LCP"),a=function(e){var n=e[e.length-1];n&&n.startTime<r.firstHiddenTime&&(i.value=Math.max(n.startTime-u(),0),i.entries=[n],t())},c=s("largest-contentful-paint",a);if(c){t=d(e,i,j,n.reportAllChanges);var m=v((function(){_[i.id]||(a(c.takeRecords()),c.disconnect(),_[i.id]=!0,t(!0))}));["keydown","click"].forEach((function(e){addEventListener(e,(function(){return n=-1,e=v(e=m),"hidden"===document.visibilityState?e():(n=N(e),p(e)),n;var e,n}),!0)})),p(m),o((function(r){i=f("LCP"),t=d(e,i,j,n.reportAllChanges),l((function(){i.value=performance.now()-r.timeStamp,_[i.id]=!0,t(!0)}))}))}}))},G=[800,1800],J=function e(n){document.prerendering?b((function(){return e(n)})):"complete"!==document.readyState?addEventListener("load",(function(){return e(n)}),!0):setTimeout(n,0)},K=function(e,n){n=n||{};var t=f("TTFB"),r=d(e,t,G,n.reportAllChanges);J((function(){var i,a=c();if(a){var s=a.responseStart;if((i=s)<=0||i>performance.now())return;t.value=Math.max(s-u(),0),t.entries=[a],r(!0),o((function(){t=f("TTFB",0),(r=d(e,t,G,n.reportAllChanges))(!0)}))}}))},Q={passive:!0,capture:!0},U=new Date,V=function(e,i){n||(n=i,t=e,r=new Date,Y(removeEventListener),W())},W=function(){if(t>=0&&t<r-U){var e={entryType:"first-input",name:n.type,target:n.target,cancelable:n.cancelable,startTime:n.timeStamp,processingStart:n.timeStamp+t};i.forEach((function(n){n(e)})),i=[]}},X=function(e){if(e.cancelable){var n=(e.timeStamp>1e12?new Date:performance.now())-e.timeStamp;"pointerdown"==e.type?function(e,n){var t=function(){V(e,n),i()},r=function(){i()},i=function(){removeEventListener("pointerup",t,Q),removeEventListener("pointercancel",r,Q)};addEventListener("pointerup",t,Q),addEventListener("pointercancel",r,Q)}(n,e):V(n,e)}},Y=function(e){["mousedown","keydown","touchstart","pointerdown"].forEach((function(n){return e(n,X,Q)}))},Z=[100,300],$=function(e,r){r=r||{},b((function(){var a,c=E(),u=f("FID"),l=function(e){e.startTime<c.firstHiddenTime&&(u.value=e.processingStart-e.startTime,u.entries.push(e),a(!0))},m=function(e){e.forEach(l)},h=s("first-input",m);a=d(e,u,Z,r.reportAllChanges),h&&(p(v((function(){m(h.takeRecords()),h.disconnect()}))),o((function(){var o;u=f("FID"),a=d(e,u,Z,r.reportAllChanges),i=[],t=-1,n=null,Y(addEventListener),o=l,i.push(o),W()})))}))};export{S as CLSThresholds,C as FCPThresholds,Z as FIDThresholds,q as INPThresholds,j as LCPThresholds,G as TTFBThresholds,w as onCLS,L as onFCP,$ as onFID,O as onINP,z as onLCP,K as onTTFB};

package.json

 {
   "name": "web-vitals",
-  "version": "4.0.0-beta.0",
+  "version": "4.0.0-beta.1",
   "description": "Easily measure performance metrics in JavaScript",
@@ -5,0 +5,0 @@ "type": "module",

README.md

@@ -1031,17 +1031,17 @@ # `web-vitals`
    */
-  waitingTime: number;
+  waitingDuration: number;
   /**
    * The total time to resolve the DNS for the current request.
    */
-  dnsTime: number;
+  dnsDuration: number;
   /**
    * The total time to create the connection to the requested domain.
    */
-  connectionTime: number;
+  connectionDuration: number;
   /**
-   * The time time from when the request was sent until the first byte of the
+   * The total time from when the request was sent until the first byte of the
    * response was received. This includes network time as well as server
    * processing time.
    */
-  requestTime: number;
+  requestDuration: number;
   /**
@@ -1048,0 +1048,0 @@ * The `navigation` entry of the current page, which is useful for diagnosing

src/attribution/onTTFB.ts

@@ -45,6 +45,6 @@ /*
     (metric as TTFBMetricWithAttribution).attribution = {
-      waitingTime: dnsStart,
-      dnsTime: connectStart - dnsStart,
-      connectionTime: requestStart - connectStart,
-      requestTime: metric.value - requestStart,
+      waitingDuration: dnsStart,
+      dnsDuration: connectStart - dnsStart,
+      connectionDuration: requestStart - connectStart,
+      requestDuration: metric.value - requestStart,
       navigationEntry: navigationEntry,
@@ -56,6 +56,6 @@ };
   (metric as TTFBMetricWithAttribution).attribution = {
-    waitingTime: 0,
-    dnsTime: 0,
-    connectionTime: 0,
-    requestTime: 0,
+    waitingDuration: 0,
+    dnsDuration: 0,
+    connectionDuration: 0,
+    requestDuration: 0,
   };
@@ -62,0 +62,0 @@ };

src/lib/interactions.ts

@@ -49,3 +49,3 @@ /*
  */
-export const getInteractionCountForNavigation = () => {
+const getInteractionCountForNavigation = () => {
   return getInteractionCount() - prevInteractionCount;
@@ -52,0 +52,0 @@ };

src/lib/whenIdle.ts

@@ -18,5 +18,5 @@ /*
 import {onHidden} from './onHidden.js';
+import {runOnce} from './runOnce.js';
 
 const rIC = self.requestIdleCallback || self.setTimeout;
-const cIC = self.cancelIdleCallback || self.clearTimeout;
 
@@ -29,2 +29,5 @@ /**
   let handle = -1;
+  cb = runOnce(cb);
+  // If the document is hidden, run the callback immediately, otherwise
+  // race an idle callback with the next `visibilitychange` event.
   if (document.visibilityState === 'hidden') {
@@ -34,8 +37,5 @@ cb();
     handle = rIC(cb);
-    onHidden(() => {
-      cIC(handle);
-      cb();
-    });
+    onHidden(cb);
   }
   return handle;
 };

src/onINP.ts

@@ -24,3 +24,2 @@ /*
   estimateP98LongestInteraction,
-  getInteractionCountForNavigation,
   resetInteractions,
@@ -81,18 +80,4 @@ } from './lib/interactions.js';
 
-    const durationThreshold =
-      opts!.durationThreshold ?? DEFAULT_DURATION_THRESHOLD;
-
     const handleEntries = (entries: INPMetric['entries']) => {
-      entries.forEach((entry) => {
-        // Ignore `first-input` entries if the duration value is greater
-        // than the threshold (since that means an `event` entry should
-        // have been dispatched).
-        if (
-          entry.entryType === 'first-input' &&
-          entry.duration >= durationThreshold
-        ) {
-          return;
-        }
-        processInteractionEntry(entry);
-      });
+      entries.forEach(processInteractionEntry);
 
@@ -138,10 +123,2 @@ const inp = estimateP98LongestInteraction();
         handleEntries(po.takeRecords() as INPMetric['entries']);
-
-        // If the interaction count shows that there were interactions but
-        // none were captured by the PerformanceObserver, report a latency of 0.
-        if (metric.value < 0 && getInteractionCountForNavigation() > 0) {
-          metric.value = 0;
-          metric.entries = [];
-        }
-
         report(true);
@@ -148,0 +125,0 @@ });

src/types/ttfb.ts

@@ -38,17 +38,17 @@ /*
    */
-  waitingTime: number;
+  waitingDuration: number;
   /**
    * The total time to resolve the DNS for the current request.
    */
-  dnsTime: number;
+  dnsDuration: number;
   /**
    * The total time to create the connection to the requested domain.
    */
-  connectionTime: number;
+  connectionDuration: number;
   /**
-   * The time time from when the request was sent until the first byte of the
+   * The total time from when the request was sent until the first byte of the
    * response was received. This includes network time as well as server
    * processing time.
    */
-  requestTime: number;
+  requestDuration: number;
   /**
@@ -55,0 +55,0 @@ * The `navigation` entry of the current page, which is useful for diagnosing

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Worsened metrics

Total package byte prevSize

380842

decreased by-0.73%

Lines of code

6545

decreased by-0.68%

No dependency changes