web-vitals/dist/web-vitals.umd.cjs

Easily measure performance metrics in JavaScript

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n,t=(n=Math.min(q.length-1,Math.floor(R()/50)),q[n]);t&&t.latency!==i.value&&(i.value=t.latency,i.entries=t.entries,r())},a=d("event",o,{durationThreshold:n.durationThreshold||40});r=p(e,i,t,n.reportAllChanges),a&&(a.observe({type:"first-input",buffered:!0}),l((function(){o(a.takeRecords()),i.value<0&&R()>0&&(i.value=0,i.entries=[]),r(!0)})),c((function(){q=[],N=D(),i=s("INP"),r=p(e,i,t,n.reportAllChanges)})))},_={},V=function(e,n){n=n||{};var t,r=[2500,4e3],i=g(),o=s("LCP"),a=function(e){var n=e[e.length-1];if(n){var r=n.startTime-f();r<i.firstHiddenTime&&(o.value=r,o.entries=[n],t())}},u=d("largest-contentful-paint",a);if(u){t=p(e,o,r,n.reportAllChanges);var v=function(){_[o.id]||(a(u.takeRecords()),u.disconnect(),_[o.id]=!0,t(!0))};["keydown","click"].forEach((function(e){addEventListener(e,v,{once:!0,capture:!0})})),l(v,!0),c((function(i){o=s("LCP"),t=p(e,o,r,n.reportAllChanges),requestAnimationFrame((function(){requestAnimationFrame((function(){o.value=performance.now()-i.timeStamp,_[o.id]=!0,t(!0)}))}))}))}},z=function e(n){document.prerendering?addEventListener("prerenderingchange",(function(){return e(n)}),!0):"complete"!==document.readyState?addEventListener("load",(function(){return e(n)}),!0):setTimeout(n,0)},G=function(e,n){n=n||{};var t=[800,1800],r=s("TTFB"),i=p(e,r,t,n.reportAllChanges);z((function(){var 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