snek-tech-blog/static/js/instant.page.v5.1.1.js

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/*! instant.page v5.1.1 - (C) 2019-2020 Alexandre Dieulot - https://instant.page/license */
/* Modified by Rin - https://rin.systems/ */
let z,x;const n=new Set,o=document.createElement("link"),i=o.relList&&o.relList.supports&&o.relList.supports("prefetch")&&window.IntersectionObserver&&"isIntersecting"in IntersectionObserverEntry.prototype,s="instantAllowQueryString"in document.body.dataset,a="instantAllowExternalLinks"in document.body.dataset,r="instantWhitelist"in document.body.dataset,c="instantMousedownShortcut"in document.body.dataset,d=1111;let l=65,u=!1,f=!1,m=!1;if("instantIntensity"in document.body.dataset){const t=document.body.dataset.instantIntensity;if("mousedown"==t.substr(0,"mousedown".length))u=!0,"mousedown-only"==t&&(f=!0);else if("viewport"==t.substr(0,"viewport".length))navigator.connection&&(navigator.connection.saveData||navigator.connection.effectiveType&&navigator.connection.effectiveType.includes("2g"))||("viewport"==t?document.documentElement.clientWidth*document.documentElement.clientHeight<45e4&&(m=!0):"viewport-all"==t&&(m=!0));else{const e=parseInt(t);isNaN(e)||(l=e)}}if(i){const t={capture:!0,passive:!0};if(f||document.addEventListener("touchstart",(function(t){x=performance.now();const e=t.target.closest("a");h(e)&&v(e.href)}),t),u?c||document.addEventListener("mousedown",(function(t){const e=t.target.closest("a");h(e)&&v(e.href)}),t):document.addEventListener("mouseover",(function(t){if(performance.now()-x<d)return;if(!("closest"in t.target))return;const e=t.target.closest("a");h(e)&&(e.addEventListener("mouseout",p,{passive:!0}),z=setTimeout((()=>{v(e.href),z=void 0}),l))}),t),c&&document.addEventListener("mousedown",(function(t){if(performance.now()-x<d)return;const e=t.target.closest("a");if(t.which>1||t.metaKey||t.ctrlKey)return;if(!e)return;e.addEventListener("click",(function(t){1337!=t.detail&&t.preventDefault()}),{capture:!0,passive:!1,once:!0});const n=new MouseEvent("click",{view:window,bubbles:!0,cancelable:!1,detail:1337});e.dispatchEvent(n)}),t),m){let t;(t=window.requestIdleCallback?t=>{requestIdleCallback(t,{timeout:1500})}:t=>{t()})((()=>{const t=new IntersectionObserver((e=>{e.forEach((e=>{if(e.isIntersecting){const n=e.target;t.unobserve(n),v(n.href)}}))}));document.querySelectorAll("a").forEach((e=>{h(e)&&t.observe(e)}))}))}}function p(t){t.relatedTarget&&t.target.closest("a")==t.relatedTarget.closest("a")||z&&(clearTimeout(z),z=void 0)}function h(t){if(t&&t.href&&(!r||"instant"in t.dataset)&&(a||t.origin==location.origin||"instant"in t.dataset)&&["http:","https:"].includes(t.protocol)&&("http:"!=t.protocol||"https:"!=location.protocol)&&(s||!t.search||"instant"in t.dataset)&&!(t.hash&&t.pathname+t.search==location.pathname+location.search||"noInstant"in t.dataset))return!0}function v(t){if(n.has(t))return;const e=document.createElement("link");e.rel="prefetch",e.href=t,document.head.appendChild(e),n.add(t)}