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var e,t,n,i,a=function(e,t){return{name:e,value:void 0===t?-1:t,delta:0,entries:[],id:"v1-".concat(Date.now(),"-").concat(Math.floor(8999999999999*Math.random())+1e12)}},r=function(e,t){try{if(PerformanceObserver.supportedEntryTypes.includes(e)){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"==typeof WeakSet?new WeakSet:new Set,s=function(e,t,n){var i;return function(){t.value>=0&&(n||u.has(t)||"hidden"===document.visibilityState)&&(t.delta=t.value-(i||0),(t.delta||void 0===i)&&(i=t.value,e(t)))}},f=function(e,t){var n,i=a("CLS",0),u=function(e){e.hadRecentInput||(i.value+=e.value,i.entries.push(e),n())},f=r("layout-shift",u);f&&(n=s(e,i,t),o((function(){f.takeRecords().map(u),n()})),c((function(){i=a("CLS",0),n=s(e,i,t)})))},m=-1,v=function(){return"hidden"===document.visibilityState?0:1/0},d=function(){o((function(e){var t=e.timeStamp;m=t}),!0)},p=function(){return m<0&&(m=v(),d(),c((function(){setTimeout((function(){m=v(),d()}),0)}))),{get timeStamp(){return m}}},l=function(e,t){var n,i=p(),o=a("FCP"),f=r("paint",(function(e){"first-contentful-paint"===e.name&&(f&&f.disconnect(),e.startTime<i.timeStamp&&(o.value=e.startTime,o.entries.push(e),u.add(o),n()))}));f&&(n=s(e,o,t),c((function(i){o=a("FCP"),n=s(e,o,t),requestAnimationFrame((function(){requestAnimationFrame((function(){o.value=performance.now()-i.timeStamp,u.add(o),n()}))}))})))},h={passive:!0,capture:!0},S=new Date,y=function(i,a){e||(e=a,t=i,n=new Date,w(removeEventListener),g())},g=function(){if(t>=0&&t<n-S){var a={entryType:"first-input",name:e.type,target:e.target,cancelable:e.cancelable,startTime:e.timeStamp,processingStart:e.timeStamp+t};i.forEach((function(e){e(a)})),i=[]}},E=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),a()},i=function(){a()},a=function(){removeEventListener("pointerup",n,h),removeEventListener("pointercancel",i,h)};addEventListener("pointerup",n,h),addEventListener("pointercancel",i,h)}(t,e):y(t,e)}},w=function(e){["mousedown","keydown","touchstart","pointerdown"].forEach((function(t){return e(t,E,h)}))},L=function(n,f){var m,v=p(),d=a("FID"),l=function(e){e.startTime<v.timeStamp&&(d.value=e.processingStart-e.startTime,d.entries.push(e),u.add(d),m())},h=r("first-input",l);m=s(n,d,f),h&&o((function(){h.takeRecords().map(l),h.disconnect()}),!0),h&&c((function(){var r;d=a("FID"),m=s(n,d,f),i=[],t=-1,e=null,w(addEventListener),r=l,i.push(r),g()}))},T=function(e,t){var n,i=p(),f=a("LCP"),m=function(e){var t=e.startTime;t<i.timeStamp&&(f.value=t,f.entries.push(e)),n()},v=r("largest-contentful-paint",m);if(v){n=s(e,f,t);var d=function(){u.has(f)||(v.takeRecords().map(m),v.disconnect(),u.add(f),n())};["keydown","click"].forEach((function(e){addEventListener(e,d,{once:!0,capture:!0})})),o(d,!0),c((function(i){f=a("LCP"),n=s(e,f,t),requestAnimationFrame((function(){requestAnimationFrame((function(){f.value=performance.now()-i.timeStamp,u.add(f),n()}))}))}))}},b=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}();n.value=n.delta=t.responseStart,n.entries=[t],e(n)}catch(e){}},"complete"===document.readyState?setTimeout(t,0):addEventListener("pageshow",t)};export{f as getCLS,l as getFCP,L as getFID,T as getLCP,b as getTTFB};
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