8 lines
22 KiB
JavaScript
8 lines
22 KiB
JavaScript
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/*!
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* Engine.IO v6.5.3
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* (c) 2014-2023 Guillermo Rauch
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* Released under the MIT License.
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*/
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const t=Object.create(null);t.open="0",t.close="1",t.ping="2",t.pong="3",t.message="4",t.upgrade="5",t.noop="6";const e=Object.create(null);Object.keys(t).forEach((s=>{e[t[s]]=s}));const s={type:"error",data:"parser error"},r="function"==typeof Blob||"undefined"!=typeof Blob&&"[object BlobConstructor]"===Object.prototype.toString.call(Blob),i="function"==typeof ArrayBuffer,o=t=>"function"==typeof ArrayBuffer.isView?ArrayBuffer.isView(t):t&&t.buffer instanceof ArrayBuffer,n=({type:e,data:s},n,h)=>r&&s instanceof Blob?n?h(s):a(s,h):i&&(s instanceof ArrayBuffer||o(s))?n?h(s):a(new Blob([s]),h):h(t[e]+(s||"")),a=(t,e)=>{const s=new FileReader;return s.onload=function(){const t=s.result.split(",")[1];e("b"+(t||""))},s.readAsDataURL(t)};function h(t){return t instanceof Uint8Array?t:t instanceof ArrayBuffer?new Uint8Array(t):new Uint8Array(t.buffer,t.byteOffset,t.byteLength)}let c;const p="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",l="undefined"==typeof Uint8Array?[]:new Uint8Array(256);for(let t=0;t<p.length;t++)l[p.charCodeAt(t)]=t;const u="function"==typeof ArrayBuffer,d=(t,r)=>{if("string"!=typeof t)return{type:"message",data:y(t,r)};const i=t.charAt(0);if("b"===i)return{type:"message",data:f(t.substring(1),r)};return e[i]?t.length>1?{type:e[i],data:t.substring(1)}:{type:e[i]}:s},f=(t,e)=>{if(u){const s=(t=>{let e,s,r,i,o,n=.75*t.length,a=t.length,h=0;"="===t[t.length-1]&&(n--,"="===t[t.length-2]&&n--);const c=new ArrayBuffer(n),p=new Uint8Array(c);for(e=0;e<a;e+=4)s=l[t.charCodeAt(e)],r=l[t.charCodeAt(e+1)],i=l[t.charCodeAt(e+2)],o=l[t.charCodeAt(e+3)],p[h++]=s<<2|r>>4,p[h++]=(15&r)<<4|i>>2,p[h++]=(3&i)<<6|63&o;return c})(t);return y(s,e)}return{base64:!0,data:t}},y=(t,e)=>"blob"===e?t instanceof Blob?t:new Blob([t]):t instanceof ArrayBuffer?t:t.buffer,g=String.fromCharCode(30);function m(){return new TransformStream({transform(t,e){!function(t,e){r&&t.data instanceof Blob?t.data.arrayBuffer().then(h).then(e):i&&(t.data instanceof ArrayBuffer||o(t.data))?e(h(t.data)):n(t,!1,(t=>{c||(c=new TextEncoder),e(c.encode(t))}))}(t,(s=>{const r=s.length;let i;if(r<126)i=new Uint8Array(1),new DataView(i.buffer).setUint8(0,r);else if(r<65536){i=new Uint8Array(3);const t=new DataView(i.buffer);t.setUint8(0,126),t.setUint16(1,r)}else{i=new Uint8Array(9);const t=new DataView(i.buffer);t.setUint8(0,127),t.setBigUint64(1,BigInt(r))}t.data&&"string"!=typeof t.data&&(i[0]|=128),e.enqueue(i),e.enqueue(s)}))}})}let b;function w(t){return t.reduce(((t,e)=>t+e.length),0)}function v(t,e){if(t[0].length===e)return t.shift();const s=new Uint8Array(e);let r=0;for(let i=0;i<e;i++)s[i]=t[0][r++],r===t[0].length&&(t.shift(),r=0);return t.length&&r<t[0].length&&(t[0]=t[0].slice(r)),s}function k(t){if(t)return function(t){for(var e in k.prototype)t[e]=k.prototype[e];return t}(t)}k.prototype.on=k.prototype.addEventListener=function(t,e){return this._callbacks=this._callbacks||{},(this._callbacks["$"+t]=this._callbacks["$"+t]||[]).push(e),this},k.prototype.once=function(t,e){function s(){this.off(t,s),e.apply(this,arguments)}return s.fn=e,this.on(t,s),this},k.prototype.off=k.prototype.removeListener=k.prototype.removeAllListeners=k.prototype.removeEventListener=function(t,e){if(this._callbacks=this._callbacks||{},0==arguments.length)return this._callbacks={},this;var s,r=this._callbacks["$"+t];if(!r)return this;if(1==arguments.length)return delete this._callbacks["$"+t],this;for(var i=0;i<r.length;i++)if((s=r[i])===e||s.fn===e){r.splice(i,1);break}return 0===r.length&&delete this._callbacks["$"+t],this},k.prototype.emit=function(t){this._callbacks=this._callbacks||{};for(var e=new Array(arguments.length-1),s=this._callbacks["$"+t],r=1;r<arguments.length;r++)e[r-1]=arguments[r];if(s){r=0;for(var i=(s=s.slice(0)).length;r<i;++r)s[r].apply(this,e)}return this},k.prototype.emitReserved=k.prototype.emit,k.prototype.listeners=function(t){return this._callbacks=this._callbacks||{},this._callbacks["$"+t]||[]},k.prototype.hasListeners=function(t){return!!this.listeners(t).length};const T="undefined"!=typeof self?self:"undefined"!=typeof win
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