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web-vitals

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web-vitals - npm Package Compare versions

Comparing version 2.1.1 to 2.1.2

4

CHANGELOG.md
# Changelog
### v2.1.2 (2021-10-11)
- Ensure reported TTFB values are less than the current page time ([#187](https://github.com/GoogleChrome/web-vitals/pull/187))
### v2.1.1 (2021-10-06)

@@ -4,0 +8,0 @@

6

dist/modules/getTTFB.js

@@ -51,5 +51,7 @@ /*

navigationEntry.responseStart;
// In some cases the value reported is negative. Ignore these cases:
// In some cases the value reported is negative or is larger
// than the current page time. Ignore these cases:
// https://github.com/GoogleChrome/web-vitals/issues/137
if (metric.value < 0)
// https://github.com/GoogleChrome/web-vitals/issues/162
if (metric.value < 0 || metric.value > performance.now())
return;

@@ -56,0 +58,0 @@ metric.entries = [navigationEntry];

2

dist/web-vitals.base.iife.js

@@ -1,1 +0,1 @@

!function(e){"use strict";var t=function(e,t){return{name:e,value:void 0===t?-1:t,delta:0,entries:[],id:"v2-".concat(Date.now(),"-").concat(Math.floor(8999999999999*Math.random())+1e12)}},n=function(e,t){try{if(PerformanceObserver.supportedEntryTypes.includes(e)){if("first-input"===e&&!("PerformanceEventTiming"in self))return;var n=new PerformanceObserver((function(e){return e.getEntries().map(t)}));return n.observe({type:e,buffered:!0}),n}}catch(e){}},i=function(e,t){var n=function n(i){"pagehide"!==i.type&&"hidden"!==document.visibilityState||(e(i),t&&(removeEventListener("visibilitychange",n,!0),removeEventListener("pagehide",n,!0)))};addEventListener("visibilitychange",n,!0),addEventListener("pagehide",n,!0)},r=function(e){addEventListener("pageshow",(function(t){t.persisted&&e(t)}),!0)},a=function(e,t,n){var i;return function(r){t.value>=0&&(r||n)&&(t.delta=t.value-(i||0),(t.delta||void 0===i)&&(i=t.value,e(t)))}},o=-1,u=function(){i((function(e){var t=e.timeStamp;o=t}),!0)},s=function(){return o<0&&((o=window.webVitals.firstHiddenTime)===1/0&&u(),r((function(){setTimeout((function(){o="hidden"===document.visibilityState?0:1/0,u()}),0)}))),{get firstHiddenTime(){return o}}},c=function(e,i){var o,u=s(),c=t("FCP"),f=function(e){"first-contentful-paint"===e.name&&(m&&m.disconnect(),e.startTime<u.firstHiddenTime&&(c.value=e.startTime,c.entries.push(e),o(!0)))},d=window.performance&&performance.getEntriesByName&&performance.getEntriesByName("first-contentful-paint")[0],m=d?null:n("paint",f);(d||m)&&(o=a(e,c,i),d&&f(d),r((function(n){c=t("FCP"),o=a(e,c,i),requestAnimationFrame((function(){requestAnimationFrame((function(){c.value=performance.now()-n.timeStamp,o(!0)}))}))})))},f=!1,d=-1,m={};e.getCLS=function(e,o){f||(c((function(e){d=e.value})),f=!0);var u,s=function(t){d>-1&&e(t)},m=t("CLS",0),v=0,l=[],p=function(e){if(!e.hadRecentInput){var t=l[0],n=l[l.length-1];v&&e.startTime-n.startTime<1e3&&e.startTime-t.startTime<5e3?(v+=e.value,l.push(e)):(v=e.value,l=[e]),v>m.value&&(m.value=v,m.entries=l,u())}},g=n("layout-shift",p);g&&(u=a(s,m,o),i((function(){g.takeRecords().map(p),u(!0)})),r((function(){v=0,d=-1,m=t("CLS",0),u=a(s,m,o)})))},e.getFCP=c,e.getFID=function(e,o){var u,c=s(),f=t("FID"),d=function(e){e.startTime<c.firstHiddenTime&&(f.value=e.processingStart-e.startTime,f.entries.push(e),u(!0))},m=n("first-input",d);u=a(e,f,o),m&&i((function(){m.takeRecords().map(d),m.disconnect()}),!0),m||window.webVitals.firstInputPolyfill(d),r((function(){f=t("FID"),u=a(e,f,o),window.webVitals.resetFirstInputPolyfill(),window.webVitals.firstInputPolyfill(d)}))},e.getLCP=function(e,o){var u,c=s(),f=t("LCP"),d=function(e){var t=e.startTime;t<c.firstHiddenTime&&(f.value=t,f.entries.push(e)),u()},v=n("largest-contentful-paint",d);if(v){u=a(e,f,o);var l=function(){m[f.id]||(v.takeRecords().map(d),v.disconnect(),m[f.id]=!0,u(!0))};["keydown","click"].forEach((function(e){addEventListener(e,l,{once:!0,capture:!0})})),i(l,!0),r((function(n){f=t("LCP"),u=a(e,f,o),requestAnimationFrame((function(){requestAnimationFrame((function(){f.value=performance.now()-n.timeStamp,m[f.id]=!0,u(!0)}))}))}))}},e.getTTFB=function(e){var n,i=t("TTFB");n=function(){try{var t=performance.getEntriesByType("navigation")[0]||function(){var e=performance.timing,t={entryType:"navigation",startTime:0};for(var n in e)"navigationStart"!==n&&"toJSON"!==n&&(t[n]=Math.max(e[n]-e.navigationStart,0));return t}();if(i.value=i.delta=t.responseStart,i.value<0)return;i.entries=[t],e(i)}catch(e){}},"complete"===document.readyState?setTimeout(n,0):addEventListener("pageshow",n)},Object.defineProperty(e,"__esModule",{value:!0})}(this.webVitals=this.webVitals||{});
!function(e){"use strict";var t=function(e,t){return{name:e,value:void 0===t?-1:t,delta:0,entries:[],id:"v2-".concat(Date.now(),"-").concat(Math.floor(8999999999999*Math.random())+1e12)}},n=function(e,t){try{if(PerformanceObserver.supportedEntryTypes.includes(e)){if("first-input"===e&&!("PerformanceEventTiming"in self))return;var n=new PerformanceObserver((function(e){return e.getEntries().map(t)}));return n.observe({type:e,buffered:!0}),n}}catch(e){}},i=function(e,t){var n=function n(i){"pagehide"!==i.type&&"hidden"!==document.visibilityState||(e(i),t&&(removeEventListener("visibilitychange",n,!0),removeEventListener("pagehide",n,!0)))};addEventListener("visibilitychange",n,!0),addEventListener("pagehide",n,!0)},r=function(e){addEventListener("pageshow",(function(t){t.persisted&&e(t)}),!0)},a=function(e,t,n){var i;return function(r){t.value>=0&&(r||n)&&(t.delta=t.value-(i||0),(t.delta||void 0===i)&&(i=t.value,e(t)))}},o=-1,u=function(){i((function(e){var t=e.timeStamp;o=t}),!0)},s=function(){return o<0&&((o=window.webVitals.firstHiddenTime)===1/0&&u(),r((function(){setTimeout((function(){o="hidden"===document.visibilityState?0:1/0,u()}),0)}))),{get firstHiddenTime(){return o}}},c=function(e,i){var o,u=s(),c=t("FCP"),f=function(e){"first-contentful-paint"===e.name&&(m&&m.disconnect(),e.startTime<u.firstHiddenTime&&(c.value=e.startTime,c.entries.push(e),o(!0)))},d=window.performance&&performance.getEntriesByName&&performance.getEntriesByName("first-contentful-paint")[0],m=d?null:n("paint",f);(d||m)&&(o=a(e,c,i),d&&f(d),r((function(n){c=t("FCP"),o=a(e,c,i),requestAnimationFrame((function(){requestAnimationFrame((function(){c.value=performance.now()-n.timeStamp,o(!0)}))}))})))},f=!1,d=-1,m={};e.getCLS=function(e,o){f||(c((function(e){d=e.value})),f=!0);var u,s=function(t){d>-1&&e(t)},m=t("CLS",0),v=0,l=[],p=function(e){if(!e.hadRecentInput){var t=l[0],n=l[l.length-1];v&&e.startTime-n.startTime<1e3&&e.startTime-t.startTime<5e3?(v+=e.value,l.push(e)):(v=e.value,l=[e]),v>m.value&&(m.value=v,m.entries=l,u())}},g=n("layout-shift",p);g&&(u=a(s,m,o),i((function(){g.takeRecords().map(p),u(!0)})),r((function(){v=0,d=-1,m=t("CLS",0),u=a(s,m,o)})))},e.getFCP=c,e.getFID=function(e,o){var u,c=s(),f=t("FID"),d=function(e){e.startTime<c.firstHiddenTime&&(f.value=e.processingStart-e.startTime,f.entries.push(e),u(!0))},m=n("first-input",d);u=a(e,f,o),m&&i((function(){m.takeRecords().map(d),m.disconnect()}),!0),m||window.webVitals.firstInputPolyfill(d),r((function(){f=t("FID"),u=a(e,f,o),window.webVitals.resetFirstInputPolyfill(),window.webVitals.firstInputPolyfill(d)}))},e.getLCP=function(e,o){var u,c=s(),f=t("LCP"),d=function(e){var t=e.startTime;t<c.firstHiddenTime&&(f.value=t,f.entries.push(e)),u()},v=n("largest-contentful-paint",d);if(v){u=a(e,f,o);var l=function(){m[f.id]||(v.takeRecords().map(d),v.disconnect(),m[f.id]=!0,u(!0))};["keydown","click"].forEach((function(e){addEventListener(e,l,{once:!0,capture:!0})})),i(l,!0),r((function(n){f=t("LCP"),u=a(e,f,o),requestAnimationFrame((function(){requestAnimationFrame((function(){f.value=performance.now()-n.timeStamp,m[f.id]=!0,u(!0)}))}))}))}},e.getTTFB=function(e){var n,i=t("TTFB");n=function(){try{var t=performance.getEntriesByType("navigation")[0]||function(){var e=performance.timing,t={entryType:"navigation",startTime:0};for(var n in e)"navigationStart"!==n&&"toJSON"!==n&&(t[n]=Math.max(e[n]-e.navigationStart,0));return t}();if(i.value=i.delta=t.responseStart,i.value<0||i.value>performance.now())return;i.entries=[t],e(i)}catch(e){}},"complete"===document.readyState?setTimeout(n,0):addEventListener("pageshow",n)},Object.defineProperty(e,"__esModule",{value:!0})}(this.webVitals=this.webVitals||{});

2

dist/web-vitals.base.js

@@ -1,1 +0,1 @@

var e=function(e,t){return{name:e,value:void 0===t?-1:t,delta:0,entries:[],id:"v2-".concat(Date.now(),"-").concat(Math.floor(8999999999999*Math.random())+1e12)}},t=function(e,t){try{if(PerformanceObserver.supportedEntryTypes.includes(e)){if("first-input"===e&&!("PerformanceEventTiming"in self))return;var n=new PerformanceObserver((function(e){return e.getEntries().map(t)}));return n.observe({type:e,buffered:!0}),n}}catch(e){}},n=function(e,t){var n=function n(i){"pagehide"!==i.type&&"hidden"!==document.visibilityState||(e(i),t&&(removeEventListener("visibilitychange",n,!0),removeEventListener("pagehide",n,!0)))};addEventListener("visibilitychange",n,!0),addEventListener("pagehide",n,!0)},i=function(e){addEventListener("pageshow",(function(t){t.persisted&&e(t)}),!0)},r=function(e,t,n){var i;return function(r){t.value>=0&&(r||n)&&(t.delta=t.value-(i||0),(t.delta||void 0===i)&&(i=t.value,e(t)))}},a=-1,o=function(){n((function(e){var t=e.timeStamp;a=t}),!0)},u=function(){return a<0&&((a=window.webVitals.firstHiddenTime)===1/0&&o(),i((function(){setTimeout((function(){a="hidden"===document.visibilityState?0:1/0,o()}),0)}))),{get firstHiddenTime(){return a}}},c=function(n,a){var o,c=u(),s=e("FCP"),f=function(e){"first-contentful-paint"===e.name&&(m&&m.disconnect(),e.startTime<c.firstHiddenTime&&(s.value=e.startTime,s.entries.push(e),o(!0)))},d=window.performance&&performance.getEntriesByName&&performance.getEntriesByName("first-contentful-paint")[0],m=d?null:t("paint",f);(d||m)&&(o=r(n,s,a),d&&f(d),i((function(t){s=e("FCP"),o=r(n,s,a),requestAnimationFrame((function(){requestAnimationFrame((function(){s.value=performance.now()-t.timeStamp,o(!0)}))}))})))},s=!1,f=-1,d=function(a,o){s||(c((function(e){f=e.value})),s=!0);var u,d=function(e){f>-1&&a(e)},m=e("CLS",0),v=0,l=[],p=function(e){if(!e.hadRecentInput){var t=l[0],n=l[l.length-1];v&&e.startTime-n.startTime<1e3&&e.startTime-t.startTime<5e3?(v+=e.value,l.push(e)):(v=e.value,l=[e]),v>m.value&&(m.value=v,m.entries=l,u())}},T=t("layout-shift",p);T&&(u=r(d,m,o),n((function(){T.takeRecords().map(p),u(!0)})),i((function(){v=0,f=-1,m=e("CLS",0),u=r(d,m,o)})))},m=function(a,o){var c,s=u(),f=e("FID"),d=function(e){e.startTime<s.firstHiddenTime&&(f.value=e.processingStart-e.startTime,f.entries.push(e),c(!0))},m=t("first-input",d);c=r(a,f,o),m&&n((function(){m.takeRecords().map(d),m.disconnect()}),!0),m||window.webVitals.firstInputPolyfill(d),i((function(){f=e("FID"),c=r(a,f,o),window.webVitals.resetFirstInputPolyfill(),window.webVitals.firstInputPolyfill(d)}))},v={},l=function(a,o){var c,s=u(),f=e("LCP"),d=function(e){var t=e.startTime;t<s.firstHiddenTime&&(f.value=t,f.entries.push(e)),c()},m=t("largest-contentful-paint",d);if(m){c=r(a,f,o);var l=function(){v[f.id]||(m.takeRecords().map(d),m.disconnect(),v[f.id]=!0,c(!0))};["keydown","click"].forEach((function(e){addEventListener(e,l,{once:!0,capture:!0})})),n(l,!0),i((function(t){f=e("LCP"),c=r(a,f,o),requestAnimationFrame((function(){requestAnimationFrame((function(){f.value=performance.now()-t.timeStamp,v[f.id]=!0,c(!0)}))}))}))}},p=function(t){var n,i=e("TTFB");n=function(){try{var e=performance.getEntriesByType("navigation")[0]||function(){var e=performance.timing,t={entryType:"navigation",startTime:0};for(var n in e)"navigationStart"!==n&&"toJSON"!==n&&(t[n]=Math.max(e[n]-e.navigationStart,0));return t}();if(i.value=i.delta=e.responseStart,i.value<0)return;i.entries=[e],t(i)}catch(e){}},"complete"===document.readyState?setTimeout(n,0):addEventListener("pageshow",n)};export{d as getCLS,c as getFCP,m as getFID,l as getLCP,p as getTTFB};
var e=function(e,t){return{name:e,value:void 0===t?-1:t,delta:0,entries:[],id:"v2-".concat(Date.now(),"-").concat(Math.floor(8999999999999*Math.random())+1e12)}},t=function(e,t){try{if(PerformanceObserver.supportedEntryTypes.includes(e)){if("first-input"===e&&!("PerformanceEventTiming"in self))return;var n=new PerformanceObserver((function(e){return e.getEntries().map(t)}));return n.observe({type:e,buffered:!0}),n}}catch(e){}},n=function(e,t){var n=function n(i){"pagehide"!==i.type&&"hidden"!==document.visibilityState||(e(i),t&&(removeEventListener("visibilitychange",n,!0),removeEventListener("pagehide",n,!0)))};addEventListener("visibilitychange",n,!0),addEventListener("pagehide",n,!0)},i=function(e){addEventListener("pageshow",(function(t){t.persisted&&e(t)}),!0)},r=function(e,t,n){var i;return function(r){t.value>=0&&(r||n)&&(t.delta=t.value-(i||0),(t.delta||void 0===i)&&(i=t.value,e(t)))}},a=-1,o=function(){n((function(e){var t=e.timeStamp;a=t}),!0)},u=function(){return a<0&&((a=window.webVitals.firstHiddenTime)===1/0&&o(),i((function(){setTimeout((function(){a="hidden"===document.visibilityState?0:1/0,o()}),0)}))),{get firstHiddenTime(){return a}}},c=function(n,a){var o,c=u(),s=e("FCP"),f=function(e){"first-contentful-paint"===e.name&&(d&&d.disconnect(),e.startTime<c.firstHiddenTime&&(s.value=e.startTime,s.entries.push(e),o(!0)))},m=window.performance&&performance.getEntriesByName&&performance.getEntriesByName("first-contentful-paint")[0],d=m?null:t("paint",f);(m||d)&&(o=r(n,s,a),m&&f(m),i((function(t){s=e("FCP"),o=r(n,s,a),requestAnimationFrame((function(){requestAnimationFrame((function(){s.value=performance.now()-t.timeStamp,o(!0)}))}))})))},s=!1,f=-1,m=function(a,o){s||(c((function(e){f=e.value})),s=!0);var u,m=function(e){f>-1&&a(e)},d=e("CLS",0),v=0,l=[],p=function(e){if(!e.hadRecentInput){var t=l[0],n=l[l.length-1];v&&e.startTime-n.startTime<1e3&&e.startTime-t.startTime<5e3?(v+=e.value,l.push(e)):(v=e.value,l=[e]),v>d.value&&(d.value=v,d.entries=l,u())}},T=t("layout-shift",p);T&&(u=r(m,d,o),n((function(){T.takeRecords().map(p),u(!0)})),i((function(){v=0,f=-1,d=e("CLS",0),u=r(m,d,o)})))},d=function(a,o){var c,s=u(),f=e("FID"),m=function(e){e.startTime<s.firstHiddenTime&&(f.value=e.processingStart-e.startTime,f.entries.push(e),c(!0))},d=t("first-input",m);c=r(a,f,o),d&&n((function(){d.takeRecords().map(m),d.disconnect()}),!0),d||window.webVitals.firstInputPolyfill(m),i((function(){f=e("FID"),c=r(a,f,o),window.webVitals.resetFirstInputPolyfill(),window.webVitals.firstInputPolyfill(m)}))},v={},l=function(a,o){var c,s=u(),f=e("LCP"),m=function(e){var t=e.startTime;t<s.firstHiddenTime&&(f.value=t,f.entries.push(e)),c()},d=t("largest-contentful-paint",m);if(d){c=r(a,f,o);var l=function(){v[f.id]||(d.takeRecords().map(m),d.disconnect(),v[f.id]=!0,c(!0))};["keydown","click"].forEach((function(e){addEventListener(e,l,{once:!0,capture:!0})})),n(l,!0),i((function(t){f=e("LCP"),c=r(a,f,o),requestAnimationFrame((function(){requestAnimationFrame((function(){f.value=performance.now()-t.timeStamp,v[f.id]=!0,c(!0)}))}))}))}},p=function(t){var n,i=e("TTFB");n=function(){try{var e=performance.getEntriesByType("navigation")[0]||function(){var e=performance.timing,t={entryType:"navigation",startTime:0};for(var n in e)"navigationStart"!==n&&"toJSON"!==n&&(t[n]=Math.max(e[n]-e.navigationStart,0));return t}();if(i.value=i.delta=e.responseStart,i.value<0||i.value>performance.now())return;i.entries=[e],t(i)}catch(e){}},"complete"===document.readyState?setTimeout(n,0):addEventListener("pageshow",n)};export{m as getCLS,c as getFCP,d as getFID,l as getLCP,p as getTTFB};

2

dist/web-vitals.base.umd.js

@@ -1,1 +0,1 @@

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2

dist/web-vitals.iife.js

@@ -1,1 +0,1 @@

var webVitals=function(e){"use strict";var t,n,i,r,a=function(e,t){return{name:e,value:void 0===t?-1:t,delta:0,entries:[],id:"v2-".concat(Date.now(),"-").concat(Math.floor(8999999999999*Math.random())+1e12)}},o=function(e,t){try{if(PerformanceObserver.supportedEntryTypes.includes(e)){if("first-input"===e&&!("PerformanceEventTiming"in self))return;var n=new PerformanceObserver((function(e){return e.getEntries().map(t)}));return n.observe({type:e,buffered:!0}),n}}catch(e){}},u=function(e,t){var n=function n(i){"pagehide"!==i.type&&"hidden"!==document.visibilityState||(e(i),t&&(removeEventListener("visibilitychange",n,!0),removeEventListener("pagehide",n,!0)))};addEventListener("visibilitychange",n,!0),addEventListener("pagehide",n,!0)},c=function(e){addEventListener("pageshow",(function(t){t.persisted&&e(t)}),!0)},f=function(e,t,n){var i;return function(r){t.value>=0&&(r||n)&&(t.delta=t.value-(i||0),(t.delta||void 0===i)&&(i=t.value,e(t)))}},s=-1,m=function(){return"hidden"===document.visibilityState?0:1/0},v=function(){u((function(e){var t=e.timeStamp;s=t}),!0)},d=function(){return s<0&&(s=m(),v(),c((function(){setTimeout((function(){s=m(),v()}),0)}))),{get firstHiddenTime(){return s}}},p=function(e,t){var n,i=d(),r=a("FCP"),u=function(e){"first-contentful-paint"===e.name&&(m&&m.disconnect(),e.startTime<i.firstHiddenTime&&(r.value=e.startTime,r.entries.push(e),n(!0)))},s=window.performance&&performance.getEntriesByName&&performance.getEntriesByName("first-contentful-paint")[0],m=s?null:o("paint",u);(s||m)&&(n=f(e,r,t),s&&u(s),c((function(i){r=a("FCP"),n=f(e,r,t),requestAnimationFrame((function(){requestAnimationFrame((function(){r.value=performance.now()-i.timeStamp,n(!0)}))}))})))},l=!1,g=-1,h={passive:!0,capture:!0},T=new Date,y=function(e,r){t||(t=r,n=e,i=new Date,S(removeEventListener),E())},E=function(){if(n>=0&&n<i-T){var e={entryType:"first-input",name:t.type,target:t.target,cancelable:t.cancelable,startTime:t.timeStamp,processingStart:t.timeStamp+n};r.forEach((function(t){t(e)})),r=[]}},L=function(e){if(e.cancelable){var t=(e.timeStamp>1e12?new Date:performance.now())-e.timeStamp;"pointerdown"==e.type?function(e,t){var n=function(){y(e,t),r()},i=function(){r()},r=function(){removeEventListener("pointerup",n,h),removeEventListener("pointercancel",i,h)};addEventListener("pointerup",n,h),addEventListener("pointercancel",i,h)}(t,e):y(t,e)}},S=function(e){["mousedown","keydown","touchstart","pointerdown"].forEach((function(t){return e(t,L,h)}))},w={};return e.getCLS=function(e,t){l||(p((function(e){g=e.value})),l=!0);var n,i=function(t){g>-1&&e(t)},r=a("CLS",0),s=0,m=[],v=function(e){if(!e.hadRecentInput){var t=m[0],i=m[m.length-1];s&&e.startTime-i.startTime<1e3&&e.startTime-t.startTime<5e3?(s+=e.value,m.push(e)):(s=e.value,m=[e]),s>r.value&&(r.value=s,r.entries=m,n())}},d=o("layout-shift",v);d&&(n=f(i,r,t),u((function(){d.takeRecords().map(v),n(!0)})),c((function(){s=0,g=-1,r=a("CLS",0),n=f(i,r,t)})))},e.getFCP=p,e.getFID=function(e,i){var s,m=d(),v=a("FID"),p=function(e){e.startTime<m.firstHiddenTime&&(v.value=e.processingStart-e.startTime,v.entries.push(e),s(!0))},l=o("first-input",p);s=f(e,v,i),l&&u((function(){l.takeRecords().map(p),l.disconnect()}),!0),l&&c((function(){var o;v=a("FID"),s=f(e,v,i),r=[],n=-1,t=null,S(addEventListener),o=p,r.push(o),E()}))},e.getLCP=function(e,t){var n,i=d(),r=a("LCP"),s=function(e){var t=e.startTime;t<i.firstHiddenTime&&(r.value=t,r.entries.push(e)),n()},m=o("largest-contentful-paint",s);if(m){n=f(e,r,t);var v=function(){w[r.id]||(m.takeRecords().map(s),m.disconnect(),w[r.id]=!0,n(!0))};["keydown","click"].forEach((function(e){addEventListener(e,v,{once:!0,capture:!0})})),u(v,!0),c((function(i){r=a("LCP"),n=f(e,r,t),requestAnimationFrame((function(){requestAnimationFrame((function(){r.value=performance.now()-i.timeStamp,w[r.id]=!0,n(!0)}))}))}))}},e.getTTFB=function(e){var t,n=a("TTFB");t=function(){try{var t=performance.getEntriesByType("navigation")[0]||function(){var e=performance.timing,t={entryType:"navigation",startTime:0};for(var n in e)"navigationStart"!==n&&"toJSON"!==n&&(t[n]=Math.max(e[n]-e.navigationStart,0));return t}();if(n.value=n.delta=t.responseStart,n.value<0)return;n.entries=[t],e(n)}catch(e){}},"complete"===document.readyState?setTimeout(t,0):addEventListener("pageshow",t)},Object.defineProperty(e,"__esModule",{value:!0}),e}({});
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2

dist/web-vitals.js

@@ -1,1 +0,1 @@

var e,t,n,i,r=function(e,t){return{name:e,value:void 0===t?-1:t,delta:0,entries:[],id:"v2-".concat(Date.now(),"-").concat(Math.floor(8999999999999*Math.random())+1e12)}},a=function(e,t){try{if(PerformanceObserver.supportedEntryTypes.includes(e)){if("first-input"===e&&!("PerformanceEventTiming"in self))return;var n=new PerformanceObserver((function(e){return e.getEntries().map(t)}));return n.observe({type:e,buffered:!0}),n}}catch(e){}},o=function(e,t){var n=function n(i){"pagehide"!==i.type&&"hidden"!==document.visibilityState||(e(i),t&&(removeEventListener("visibilitychange",n,!0),removeEventListener("pagehide",n,!0)))};addEventListener("visibilitychange",n,!0),addEventListener("pagehide",n,!0)},c=function(e){addEventListener("pageshow",(function(t){t.persisted&&e(t)}),!0)},u=function(e,t,n){var i;return function(r){t.value>=0&&(r||n)&&(t.delta=t.value-(i||0),(t.delta||void 0===i)&&(i=t.value,e(t)))}},f=-1,s=function(){return"hidden"===document.visibilityState?0:1/0},m=function(){o((function(e){var t=e.timeStamp;f=t}),!0)},v=function(){return f<0&&(f=s(),m(),c((function(){setTimeout((function(){f=s(),m()}),0)}))),{get firstHiddenTime(){return f}}},p=function(e,t){var n,i=v(),o=r("FCP"),f=function(e){"first-contentful-paint"===e.name&&(m&&m.disconnect(),e.startTime<i.firstHiddenTime&&(o.value=e.startTime,o.entries.push(e),n(!0)))},s=window.performance&&performance.getEntriesByName&&performance.getEntriesByName("first-contentful-paint")[0],m=s?null:a("paint",f);(s||m)&&(n=u(e,o,t),s&&f(s),c((function(i){o=r("FCP"),n=u(e,o,t),requestAnimationFrame((function(){requestAnimationFrame((function(){o.value=performance.now()-i.timeStamp,n(!0)}))}))})))},d=!1,l=-1,h=function(e,t){d||(p((function(e){l=e.value})),d=!0);var n,i=function(t){l>-1&&e(t)},f=r("CLS",0),s=0,m=[],v=function(e){if(!e.hadRecentInput){var t=m[0],i=m[m.length-1];s&&e.startTime-i.startTime<1e3&&e.startTime-t.startTime<5e3?(s+=e.value,m.push(e)):(s=e.value,m=[e]),s>f.value&&(f.value=s,f.entries=m,n())}},h=a("layout-shift",v);h&&(n=u(i,f,t),o((function(){h.takeRecords().map(v),n(!0)})),c((function(){s=0,l=-1,f=r("CLS",0),n=u(i,f,t)})))},g={passive:!0,capture:!0},y=new Date,T=function(i,r){e||(e=r,t=i,n=new Date,w(removeEventListener),E())},E=function(){if(t>=0&&t<n-y){var r={entryType:"first-input",name:e.type,target:e.target,cancelable:e.cancelable,startTime:e.timeStamp,processingStart:e.timeStamp+t};i.forEach((function(e){e(r)})),i=[]}},S=function(e){if(e.cancelable){var t=(e.timeStamp>1e12?new Date:performance.now())-e.timeStamp;"pointerdown"==e.type?function(e,t){var n=function(){T(e,t),r()},i=function(){r()},r=function(){removeEventListener("pointerup",n,g),removeEventListener("pointercancel",i,g)};addEventListener("pointerup",n,g),addEventListener("pointercancel",i,g)}(t,e):T(t,e)}},w=function(e){["mousedown","keydown","touchstart","pointerdown"].forEach((function(t){return e(t,S,g)}))},L=function(n,f){var s,m=v(),p=r("FID"),d=function(e){e.startTime<m.firstHiddenTime&&(p.value=e.processingStart-e.startTime,p.entries.push(e),s(!0))},l=a("first-input",d);s=u(n,p,f),l&&o((function(){l.takeRecords().map(d),l.disconnect()}),!0),l&&c((function(){var a;p=r("FID"),s=u(n,p,f),i=[],t=-1,e=null,w(addEventListener),a=d,i.push(a),E()}))},b={},F=function(e,t){var n,i=v(),f=r("LCP"),s=function(e){var t=e.startTime;t<i.firstHiddenTime&&(f.value=t,f.entries.push(e)),n()},m=a("largest-contentful-paint",s);if(m){n=u(e,f,t);var p=function(){b[f.id]||(m.takeRecords().map(s),m.disconnect(),b[f.id]=!0,n(!0))};["keydown","click"].forEach((function(e){addEventListener(e,p,{once:!0,capture:!0})})),o(p,!0),c((function(i){f=r("LCP"),n=u(e,f,t),requestAnimationFrame((function(){requestAnimationFrame((function(){f.value=performance.now()-i.timeStamp,b[f.id]=!0,n(!0)}))}))}))}},P=function(e){var t,n=r("TTFB");t=function(){try{var t=performance.getEntriesByType("navigation")[0]||function(){var e=performance.timing,t={entryType:"navigation",startTime:0};for(var n in e)"navigationStart"!==n&&"toJSON"!==n&&(t[n]=Math.max(e[n]-e.navigationStart,0));return t}();if(n.value=n.delta=t.responseStart,n.value<0)return;n.entries=[t],e(n)}catch(e){}},"complete"===document.readyState?setTimeout(t,0):addEventListener("pageshow",t)};export{h as getCLS,p as getFCP,L as getFID,F as getLCP,P as getTTFB};
var e,t,n,i,r=function(e,t){return{name:e,value:void 0===t?-1:t,delta:0,entries:[],id:"v2-".concat(Date.now(),"-").concat(Math.floor(8999999999999*Math.random())+1e12)}},a=function(e,t){try{if(PerformanceObserver.supportedEntryTypes.includes(e)){if("first-input"===e&&!("PerformanceEventTiming"in self))return;var n=new PerformanceObserver((function(e){return e.getEntries().map(t)}));return n.observe({type:e,buffered:!0}),n}}catch(e){}},o=function(e,t){var n=function n(i){"pagehide"!==i.type&&"hidden"!==document.visibilityState||(e(i),t&&(removeEventListener("visibilitychange",n,!0),removeEventListener("pagehide",n,!0)))};addEventListener("visibilitychange",n,!0),addEventListener("pagehide",n,!0)},c=function(e){addEventListener("pageshow",(function(t){t.persisted&&e(t)}),!0)},u=function(e,t,n){var i;return function(r){t.value>=0&&(r||n)&&(t.delta=t.value-(i||0),(t.delta||void 0===i)&&(i=t.value,e(t)))}},f=-1,s=function(){return"hidden"===document.visibilityState?0:1/0},m=function(){o((function(e){var t=e.timeStamp;f=t}),!0)},v=function(){return f<0&&(f=s(),m(),c((function(){setTimeout((function(){f=s(),m()}),0)}))),{get firstHiddenTime(){return f}}},p=function(e,t){var n,i=v(),o=r("FCP"),f=function(e){"first-contentful-paint"===e.name&&(m&&m.disconnect(),e.startTime<i.firstHiddenTime&&(o.value=e.startTime,o.entries.push(e),n(!0)))},s=window.performance&&performance.getEntriesByName&&performance.getEntriesByName("first-contentful-paint")[0],m=s?null:a("paint",f);(s||m)&&(n=u(e,o,t),s&&f(s),c((function(i){o=r("FCP"),n=u(e,o,t),requestAnimationFrame((function(){requestAnimationFrame((function(){o.value=performance.now()-i.timeStamp,n(!0)}))}))})))},d=!1,l=-1,h=function(e,t){d||(p((function(e){l=e.value})),d=!0);var n,i=function(t){l>-1&&e(t)},f=r("CLS",0),s=0,m=[],v=function(e){if(!e.hadRecentInput){var t=m[0],i=m[m.length-1];s&&e.startTime-i.startTime<1e3&&e.startTime-t.startTime<5e3?(s+=e.value,m.push(e)):(s=e.value,m=[e]),s>f.value&&(f.value=s,f.entries=m,n())}},h=a("layout-shift",v);h&&(n=u(i,f,t),o((function(){h.takeRecords().map(v),n(!0)})),c((function(){s=0,l=-1,f=r("CLS",0),n=u(i,f,t)})))},g={passive:!0,capture:!0},y=new Date,T=function(i,r){e||(e=r,t=i,n=new Date,S(removeEventListener),E())},E=function(){if(t>=0&&t<n-y){var r={entryType:"first-input",name:e.type,target:e.target,cancelable:e.cancelable,startTime:e.timeStamp,processingStart:e.timeStamp+t};i.forEach((function(e){e(r)})),i=[]}},w=function(e){if(e.cancelable){var t=(e.timeStamp>1e12?new Date:performance.now())-e.timeStamp;"pointerdown"==e.type?function(e,t){var n=function(){T(e,t),r()},i=function(){r()},r=function(){removeEventListener("pointerup",n,g),removeEventListener("pointercancel",i,g)};addEventListener("pointerup",n,g),addEventListener("pointercancel",i,g)}(t,e):T(t,e)}},S=function(e){["mousedown","keydown","touchstart","pointerdown"].forEach((function(t){return e(t,w,g)}))},L=function(n,f){var s,m=v(),p=r("FID"),d=function(e){e.startTime<m.firstHiddenTime&&(p.value=e.processingStart-e.startTime,p.entries.push(e),s(!0))},l=a("first-input",d);s=u(n,p,f),l&&o((function(){l.takeRecords().map(d),l.disconnect()}),!0),l&&c((function(){var a;p=r("FID"),s=u(n,p,f),i=[],t=-1,e=null,S(addEventListener),a=d,i.push(a),E()}))},b={},F=function(e,t){var n,i=v(),f=r("LCP"),s=function(e){var t=e.startTime;t<i.firstHiddenTime&&(f.value=t,f.entries.push(e)),n()},m=a("largest-contentful-paint",s);if(m){n=u(e,f,t);var p=function(){b[f.id]||(m.takeRecords().map(s),m.disconnect(),b[f.id]=!0,n(!0))};["keydown","click"].forEach((function(e){addEventListener(e,p,{once:!0,capture:!0})})),o(p,!0),c((function(i){f=r("LCP"),n=u(e,f,t),requestAnimationFrame((function(){requestAnimationFrame((function(){f.value=performance.now()-i.timeStamp,b[f.id]=!0,n(!0)}))}))}))}},P=function(e){var t,n=r("TTFB");t=function(){try{var t=performance.getEntriesByType("navigation")[0]||function(){var e=performance.timing,t={entryType:"navigation",startTime:0};for(var n in e)"navigationStart"!==n&&"toJSON"!==n&&(t[n]=Math.max(e[n]-e.navigationStart,0));return t}();if(n.value=n.delta=t.responseStart,n.value<0||n.value>performance.now())return;n.entries=[t],e(n)}catch(e){}},"complete"===document.readyState?setTimeout(t,0):addEventListener("pageshow",t)};export{h as getCLS,p as getFCP,L as getFID,F as getLCP,P as getTTFB};

2

dist/web-vitals.umd.js

@@ -1,1 +0,1 @@

!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports):"function"==typeof define&&define.amd?define(["exports"],t):t((e="undefined"!=typeof globalThis?globalThis:e||self).webVitals={})}(this,(function(e){"use strict";var t,n,i,r,a=function(e,t){return{name:e,value:void 0===t?-1:t,delta:0,entries:[],id:"v2-".concat(Date.now(),"-").concat(Math.floor(8999999999999*Math.random())+1e12)}},o=function(e,t){try{if(PerformanceObserver.supportedEntryTypes.includes(e)){if("first-input"===e&&!("PerformanceEventTiming"in self))return;var n=new PerformanceObserver((function(e){return e.getEntries().map(t)}));return n.observe({type:e,buffered:!0}),n}}catch(e){}},u=function(e,t){var n=function n(i){"pagehide"!==i.type&&"hidden"!==document.visibilityState||(e(i),t&&(removeEventListener("visibilitychange",n,!0),removeEventListener("pagehide",n,!0)))};addEventListener("visibilitychange",n,!0),addEventListener("pagehide",n,!0)},c=function(e){addEventListener("pageshow",(function(t){t.persisted&&e(t)}),!0)},f=function(e,t,n){var i;return function(r){t.value>=0&&(r||n)&&(t.delta=t.value-(i||0),(t.delta||void 0===i)&&(i=t.value,e(t)))}},s=-1,m=function(){return"hidden"===document.visibilityState?0:1/0},d=function(){u((function(e){var t=e.timeStamp;s=t}),!0)},p=function(){return s<0&&(s=m(),d(),c((function(){setTimeout((function(){s=m(),d()}),0)}))),{get firstHiddenTime(){return s}}},v=function(e,t){var n,i=p(),r=a("FCP"),u=function(e){"first-contentful-paint"===e.name&&(m&&m.disconnect(),e.startTime<i.firstHiddenTime&&(r.value=e.startTime,r.entries.push(e),n(!0)))},s=window.performance&&performance.getEntriesByName&&performance.getEntriesByName("first-contentful-paint")[0],m=s?null:o("paint",u);(s||m)&&(n=f(e,r,t),s&&u(s),c((function(i){r=a("FCP"),n=f(e,r,t),requestAnimationFrame((function(){requestAnimationFrame((function(){r.value=performance.now()-i.timeStamp,n(!0)}))}))})))},l=!1,g=-1,h={passive:!0,capture:!0},y=new Date,T=function(e,r){t||(t=r,n=e,i=new Date,S(removeEventListener),E())},E=function(){if(n>=0&&n<i-y){var e={entryType:"first-input",name:t.type,target:t.target,cancelable:t.cancelable,startTime:t.timeStamp,processingStart:t.timeStamp+n};r.forEach((function(t){t(e)})),r=[]}},L=function(e){if(e.cancelable){var t=(e.timeStamp>1e12?new Date:performance.now())-e.timeStamp;"pointerdown"==e.type?function(e,t){var n=function(){T(e,t),r()},i=function(){r()},r=function(){removeEventListener("pointerup",n,h),removeEventListener("pointercancel",i,h)};addEventListener("pointerup",n,h),addEventListener("pointercancel",i,h)}(t,e):T(t,e)}},S=function(e){["mousedown","keydown","touchstart","pointerdown"].forEach((function(t){return e(t,L,h)}))},w={};e.getCLS=function(e,t){l||(v((function(e){g=e.value})),l=!0);var n,i=function(t){g>-1&&e(t)},r=a("CLS",0),s=0,m=[],d=function(e){if(!e.hadRecentInput){var t=m[0],i=m[m.length-1];s&&e.startTime-i.startTime<1e3&&e.startTime-t.startTime<5e3?(s+=e.value,m.push(e)):(s=e.value,m=[e]),s>r.value&&(r.value=s,r.entries=m,n())}},p=o("layout-shift",d);p&&(n=f(i,r,t),u((function(){p.takeRecords().map(d),n(!0)})),c((function(){s=0,g=-1,r=a("CLS",0),n=f(i,r,t)})))},e.getFCP=v,e.getFID=function(e,i){var s,m=p(),d=a("FID"),v=function(e){e.startTime<m.firstHiddenTime&&(d.value=e.processingStart-e.startTime,d.entries.push(e),s(!0))},l=o("first-input",v);s=f(e,d,i),l&&u((function(){l.takeRecords().map(v),l.disconnect()}),!0),l&&c((function(){var o;d=a("FID"),s=f(e,d,i),r=[],n=-1,t=null,S(addEventListener),o=v,r.push(o),E()}))},e.getLCP=function(e,t){var n,i=p(),r=a("LCP"),s=function(e){var t=e.startTime;t<i.firstHiddenTime&&(r.value=t,r.entries.push(e)),n()},m=o("largest-contentful-paint",s);if(m){n=f(e,r,t);var d=function(){w[r.id]||(m.takeRecords().map(s),m.disconnect(),w[r.id]=!0,n(!0))};["keydown","click"].forEach((function(e){addEventListener(e,d,{once:!0,capture:!0})})),u(d,!0),c((function(i){r=a("LCP"),n=f(e,r,t),requestAnimationFrame((function(){requestAnimationFrame((function(){r.value=performance.now()-i.timeStamp,w[r.id]=!0,n(!0)}))}))}))}},e.getTTFB=function(e){var t,n=a("TTFB");t=function(){try{var t=performance.getEntriesByType("navigation")[0]||function(){var e=performance.timing,t={entryType:"navigation",startTime:0};for(var n in e)"navigationStart"!==n&&"toJSON"!==n&&(t[n]=Math.max(e[n]-e.navigationStart,0));return t}();if(n.value=n.delta=t.responseStart,n.value<0)return;n.entries=[t],e(n)}catch(e){}},"complete"===document.readyState?setTimeout(t,0):addEventListener("pageshow",t)},Object.defineProperty(e,"__esModule",{value:!0})}));
!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports):"function"==typeof define&&define.amd?define(["exports"],t):t((e="undefined"!=typeof globalThis?globalThis:e||self).webVitals={})}(this,(function(e){"use strict";var t,n,i,r,a=function(e,t){return{name:e,value:void 0===t?-1:t,delta:0,entries:[],id:"v2-".concat(Date.now(),"-").concat(Math.floor(8999999999999*Math.random())+1e12)}},o=function(e,t){try{if(PerformanceObserver.supportedEntryTypes.includes(e)){if("first-input"===e&&!("PerformanceEventTiming"in self))return;var n=new PerformanceObserver((function(e){return e.getEntries().map(t)}));return n.observe({type:e,buffered:!0}),n}}catch(e){}},u=function(e,t){var n=function n(i){"pagehide"!==i.type&&"hidden"!==document.visibilityState||(e(i),t&&(removeEventListener("visibilitychange",n,!0),removeEventListener("pagehide",n,!0)))};addEventListener("visibilitychange",n,!0),addEventListener("pagehide",n,!0)},c=function(e){addEventListener("pageshow",(function(t){t.persisted&&e(t)}),!0)},f=function(e,t,n){var i;return function(r){t.value>=0&&(r||n)&&(t.delta=t.value-(i||0),(t.delta||void 0===i)&&(i=t.value,e(t)))}},s=-1,m=function(){return"hidden"===document.visibilityState?0:1/0},d=function(){u((function(e){var t=e.timeStamp;s=t}),!0)},p=function(){return s<0&&(s=m(),d(),c((function(){setTimeout((function(){s=m(),d()}),0)}))),{get firstHiddenTime(){return s}}},v=function(e,t){var n,i=p(),r=a("FCP"),u=function(e){"first-contentful-paint"===e.name&&(m&&m.disconnect(),e.startTime<i.firstHiddenTime&&(r.value=e.startTime,r.entries.push(e),n(!0)))},s=window.performance&&performance.getEntriesByName&&performance.getEntriesByName("first-contentful-paint")[0],m=s?null:o("paint",u);(s||m)&&(n=f(e,r,t),s&&u(s),c((function(i){r=a("FCP"),n=f(e,r,t),requestAnimationFrame((function(){requestAnimationFrame((function(){r.value=performance.now()-i.timeStamp,n(!0)}))}))})))},l=!1,g=-1,h={passive:!0,capture:!0},y=new Date,T=function(e,r){t||(t=r,n=e,i=new Date,L(removeEventListener),E())},E=function(){if(n>=0&&n<i-y){var e={entryType:"first-input",name:t.type,target:t.target,cancelable:t.cancelable,startTime:t.timeStamp,processingStart:t.timeStamp+n};r.forEach((function(t){t(e)})),r=[]}},w=function(e){if(e.cancelable){var t=(e.timeStamp>1e12?new Date:performance.now())-e.timeStamp;"pointerdown"==e.type?function(e,t){var n=function(){T(e,t),r()},i=function(){r()},r=function(){removeEventListener("pointerup",n,h),removeEventListener("pointercancel",i,h)};addEventListener("pointerup",n,h),addEventListener("pointercancel",i,h)}(t,e):T(t,e)}},L=function(e){["mousedown","keydown","touchstart","pointerdown"].forEach((function(t){return e(t,w,h)}))},S={};e.getCLS=function(e,t){l||(v((function(e){g=e.value})),l=!0);var n,i=function(t){g>-1&&e(t)},r=a("CLS",0),s=0,m=[],d=function(e){if(!e.hadRecentInput){var t=m[0],i=m[m.length-1];s&&e.startTime-i.startTime<1e3&&e.startTime-t.startTime<5e3?(s+=e.value,m.push(e)):(s=e.value,m=[e]),s>r.value&&(r.value=s,r.entries=m,n())}},p=o("layout-shift",d);p&&(n=f(i,r,t),u((function(){p.takeRecords().map(d),n(!0)})),c((function(){s=0,g=-1,r=a("CLS",0),n=f(i,r,t)})))},e.getFCP=v,e.getFID=function(e,i){var s,m=p(),d=a("FID"),v=function(e){e.startTime<m.firstHiddenTime&&(d.value=e.processingStart-e.startTime,d.entries.push(e),s(!0))},l=o("first-input",v);s=f(e,d,i),l&&u((function(){l.takeRecords().map(v),l.disconnect()}),!0),l&&c((function(){var o;d=a("FID"),s=f(e,d,i),r=[],n=-1,t=null,L(addEventListener),o=v,r.push(o),E()}))},e.getLCP=function(e,t){var n,i=p(),r=a("LCP"),s=function(e){var t=e.startTime;t<i.firstHiddenTime&&(r.value=t,r.entries.push(e)),n()},m=o("largest-contentful-paint",s);if(m){n=f(e,r,t);var d=function(){S[r.id]||(m.takeRecords().map(s),m.disconnect(),S[r.id]=!0,n(!0))};["keydown","click"].forEach((function(e){addEventListener(e,d,{once:!0,capture:!0})})),u(d,!0),c((function(i){r=a("LCP"),n=f(e,r,t),requestAnimationFrame((function(){requestAnimationFrame((function(){r.value=performance.now()-i.timeStamp,S[r.id]=!0,n(!0)}))}))}))}},e.getTTFB=function(e){var t,n=a("TTFB");t=function(){try{var t=performance.getEntriesByType("navigation")[0]||function(){var e=performance.timing,t={entryType:"navigation",startTime:0};for(var n in e)"navigationStart"!==n&&"toJSON"!==n&&(t[n]=Math.max(e[n]-e.navigationStart,0));return t}();if(n.value=n.delta=t.responseStart,n.value<0||n.value>performance.now())return;n.entries=[t],e(n)}catch(e){}},"complete"===document.readyState?setTimeout(t,0):addEventListener("pageshow",t)},Object.defineProperty(e,"__esModule",{value:!0})}));

2

package.json
{
"name": "web-vitals",
"version": "2.1.1",
"version": "2.1.2",
"description": "Easily measure performance metrics in JavaScript",

@@ -5,0 +5,0 @@ "main": "dist/web-vitals.umd.js",

6

src/getTTFB.ts

@@ -62,5 +62,7 @@ /*

// In some cases the value reported is negative. Ignore these cases:
// In some cases the value reported is negative or is larger
// than the current page time. Ignore these cases:
// https://github.com/GoogleChrome/web-vitals/issues/137
if (metric.value < 0) return;
// https://github.com/GoogleChrome/web-vitals/issues/162
if (metric.value < 0 || metric.value > performance.now()) return;

@@ -67,0 +69,0 @@ metric.entries = [navigationEntry];

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