https://sharechess.github.io/assets/WebM.13faa943.js

1var H={exports:{}};(function(M){(function(){function f(t,i){let e={};return[t,i].forEach(function(n){for(let u in n)Object.prototype.hasOwnProperty.call(n,u)&&(e[u]=n[u])}),e}function a(t){if(typeof t!="string"||!t.match(/^data:image\/webp;base64,/i))throw new Error("Failed to decode WebP Base64 URL");return window.atob(t.substring(23))}function o(t,i){let e=typeof t=="string"&&/^data:image\/webp/.test(t)?t:t.toDataURL("image/webp",i);return a(e)}function c(t){let i=t.charCodeAt(0),e=t.charCodeAt(1),n=t.charCodeAt(2),u=t.charCodeAt(3);return(i|e<<8|n<<16|u<<24)>>>0}function y(t){let i=t.indexOf("VP8",12);if(i===-1)throw new Error("Bad image format, does this browser support WebP?");let e=!1;for(;i<t.length-8;){let n,u;switch(u=t.substring(i,i+4),i+=4,n=c(t.substring(i,i+4)),i+=4,u){case"VP8 ":return{frame:t.substring(i,i+n),hasAlpha:e};case"ALPH":e=!0;break}i+=n,(n&1)!==0&&i++}throw new Error("Failed to find VP8 keyframe in WebP image, is this image mistakenly encoded in the Lossless 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1var st=H.exports(q.exports,K.exports(null));class ot{constructor(f=1e3){this.frameTime=f,this.video=new st({quality:.8,fileWriter:null,fd:null,frameDuration:1e3,transparent:!1})}video;add(f,a){const o=f.canvas;this.video.addFrame(o,a*this.frameTime)}async render(){const f=await this.video.complete(),a=Date.now();return new File([f],`board_${a}.webm`,{type:"video/webm",lastModified:a})}}export{ot as default};