cdn.min.js

function iosPWASplash(t,e="white"){if("string"!=typeof t||0===t.length)throw Error("Invalid icon URL provided");let i=screen.width,a=screen.height,h=window.devicePixelRatio||1,n=document.createElement("canvas"),l=document.createElement("canvas"),r=n.getContext("2d"),d=l.getContext("2d"),o=new Image;o.onerror=function(){throw Error("Failed to load icon image")},o.src=t,o.onload=function(){let t=o.width/(3/h),g=o.height/(3/h);n.width=i*h,l.height=n.width,n.height=a*h,l.width=n.height,r.fillStyle=e,d.fillStyle=e,r.fillRect(0,0,n.width,n.height),d.fillRect(0,0,l.width,l.height);let c=(n.width-t)/2,p=(n.height-g)/2,s=(l.width-t)/2,w=(l.height-g)/2;r.drawImage(o,c,p,t,g),d.drawImage(o,s,w,t,g);let m=n.toDataURL("image/png"),u=l.toDataURL("image/png"),f=document.createElement("link");f.setAttribute("rel","apple-touch-startup-image"),f.setAttribute("media","screen and (orientation: portrait)"),f.setAttribute("href",m),document.head.appendChild(f);let A=document.createElement("link");A.setAttribute("rel","apple-touch-startup-image"),A.setAttribute("media","screen and (orientation: landscape)"),A.setAttribute("href",u),document.head.appendChild(A)}}