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