Frontend/24_12_09/node_modules/web-vitals/dist/web-vitals.js

2 lines
7.0 KiB
JavaScript
Raw Normal View History

2024-12-09 12:11:41 +00:00
var e,n,t,r,i,o=-1,a=function(e){addEventListener("pageshow",(function(n){n.persisted&&(o=n.timeStamp,e(n))}),!0)},c=function(){var e=self.performance&&performance.getEntriesByType&&performance.getEntriesByType("navigation")[0];if(e&&e.responseStart>0&&e.responseStart<performance.now())return e},u=function(){var e=c();return e&&e.activationStart||0},f=function(e,n){var t=c(),r="navigate";o>=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,o;return function(a){n.value>=0&&(a||r)&&((o=n.value-(i||0))||void 0===i)&&(i=n.value,n.delta=o,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(),a((function(){setTimeout((function(){m=h(),y()}),0)}))),{get firstHiddenTime(){return m}}},C=function(e){document.prerendering?addEventListener("prerenderingchange",(function(){return e()}),!0):e()},b=[1800,3e3],S=function(e,n){n=n||{},C((function(){var t,r=E(),i=f("FCP"),o=s("paint",(function(e){e.forEach((function(e){"first-contentful-paint"===e.name&&(o.disconnect(),e.startTime<r.firstHiddenTime&&(i.value=Math.max(e.startTime-u(),0),i.entries.push(e),t(!0)))}))}));o&&(t=d(e,i,b,n.reportAllChanges),a((function(r){i=f("FCP"),t=d(e,i,b,n.reportAllChanges),l((function(){i.value=performance.now()-r.timeStamp,t(!0)}))})))}))},L=[.1,.25],w=function(e,n){n=n||{},S(v((function(){var t,r=f("CLS",0),i=0,o=[],c=function(e){e.forEach((function(e){if(!e.hadRecentInput){var n=o[0],t=o[o.length-1];i&&e.startTime-t.startTime<1e3&&e.startTime-n.startTime<5e3?(i+=e.value,o.push(e)):(i=e.value,o=[e])}})),i>r.value&&(r.value=i,r.entries=o,t())},u=s("layout-shift",c);u&&(t=d(e,r,L,n.reportAllChanges),p((function(){c(u.takeRecords()),t(!0)})),a((function(){i=0,r=f("CLS",0),t=d(e,r,L,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(){return e?A:performance.interactionCount||0},F=function(){"interactionCount"in performance||e||(e=s("event",M,{type:"event",buffered:!0,durationThreshold:0}))},D=[],x=new Map,R=0,B=function(){var e=Math.min(D.length-1,Math.floor((k()-R)/50));return D[e]},H=[],q=function(e){if(H.forEach((function(n){return n(e)})),e.interactionId||"first-input"===e.entryType){var n=D[D.length-1],t=x.get(e.interactionId);if(t||D.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]};x.set(r.id,r),D.push(r)}D.sort((function(e,n){return n.latency-e.latency})),D.length>10&&D.splice(10).forEach((function(e){return x.delete(e.id)}))}}},O=function(e){var n=self.requestIdleCallback||self.setTimeout,t=-1;ret