the-forest/client/node_modules/web-vitals/dist/web-vitals.umd.js

2 lines
4.5 KiB
JavaScript
Raw Normal View History

2024-09-17 20:35:18 -04:00
!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)},v=function(){return s<0&&(s=m(),d(),c((function(){setTimeout((function(){s=m(),d()}),0)}))),{get firstHiddenTime(){return s}}},p=function(e,t){var n,i=v(),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,y={passive:!0,capture:!0},T=new Date,h=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(){h(e,t),r()},i=function(){r()},r=function(){removeEventListener("pointerup",n,y),removeEventListener("pointercancel",i,y)};addEventListener("pointerup",n,y),addEventListener("pointercancel",i,y)}(t,e):h(t,e)}},S=function(e){["mousedown","keydown","touchstart","pointerdown"].forEach((function(t){return e(t,L,y)}))},w={};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=[],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())}},v=o("layout-shift",d);v&&(n=f(i,r,t),u((function(){v.takeRecords().map(d),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=v(),d=a("FID"),p=function(e){e.startTime<m.firstHiddenTime&&(d.value=e.processingStart-e.startTime,d.entries.push(e),s(!0))},l=o("first-input",p);s=f(e,d,i),l&&u((function(){l.takeRecords().map(p),l.disconnect()}),!0),l&&c((function(){var o;d=a("FID"),s=f(e,d,i),r=[],n=-1,t=null,S(addEventListener),o=p,r.push(o),E()}))},e.getLCP=function(e,t){var n,i=v(),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=