ownBuffer.js

for(var lookup=[],revLookup=[],Arr="undefined"!=typeof Uint8Array?Uint8Array:Array,code="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",i=0,len=code.length;i<len;++i)lookup[i]=code[i],revLookup[code.charCodeAt(i)]=i;function getLens(t){var e=t.length;if(e%4>0)throw new Error("Invalid string. Length must be a multiple of 4");var r=t.indexOf("=");return-1===r&&(r=e),[r,r===e?0:4-r%4]}function byteLength(t){var e=getLens(t),r=e[0],n=e[1];return 3*(r+n)/4-n}function _byteLength(t,e,r){return 3*(e+r)/4-r}function toByteArray(t){var e,r,n=getLens(t),f=n[0],o=n[1],i=new Arr(_byteLength(t,f,o)),u=0,s=o>0?f-4:f;for(r=0;r<s;r+=4)e=revLookup[t.charCodeAt(r)]<<18|revLookup[t.charCodeAt(r+1)]<<12|revLookup[t.charCodeAt(r+2)]<<6|revLookup[t.charCodeAt(r+3)],i[u++]=e>>16&255,i[u++]=e>>8&255,i[u++]=255&e;return 2===o&&(e=revLookup[t.charCodeAt(r)]<<2|revLookup[t.charCodeAt(r+1)]>>4,i[u++]=255&e),1===o&&(e=revLookup[t.charCodeAt(r)]<<10|revLookup[t.charCodeAt(r+1)]<<4|revLookup[t.charCodeAt(r+2)]>>2,i[u++]=e>>8&255,i[u++]=255&e),i}function tripletToBase64(t){return lookup[t>>18&63]+lookup[t>>12&63]+lookup[t>>6&63]+lookup[63&t]}function encodeChunk(t,e,r){for(var n,f=[],o=e;o<r;o+=3)n=(t[o]<<16&16711680)+(t[o+1]<<8&65280)+(255&t[o+2]),f.push(tripletToBase64(n));return f.join("")}function fromByteArray(t){for(var e,r=t.length,n=r%3,f=[],o=16383,i=0,u=r-n;i<u;i+=o)f.push(encodeChunk(t,i,i+o>u?u:i+o));return 1===n?(e=t[r-1],f.push(lookup[e>>2]+lookup[e<<4&63]+"==")):2===n&&(e=(t[r-2]<<8)+t[r-1],f.push(lookup[e>>10]+lookup[e>>4&63]+lookup[e<<2&63]+"=")),f.join("")}function ieee754Read(t,e,r,n,f){let o,i;const u=8*f-n-1,s=(1<<u)-1,h=s>>1;let c=-7,a=r?f-1:0;const l=r?-1:1;let p=t[e+a];for(a+=l,o=p&(1<<-c)-1,p>>=-c,c+=u;c>0;)o=256*o+t[e+a],a+=l,c-=8;for(i=o&(1<<-c)-1,o>>=-c,c+=n;c>0;)i=256*i+t[e+a],a+=l,c-=8;if(0===o)o=1-h;else{if(o===s)return i?NaN:1/0*(p?-1:1);i+=Math.pow(2,n),o-=h}return(p?-1:1)*i*Math.pow(2,o-n)}function ieee754Write(t,e,r,n,f,o){let i,u,s,h=8*o-f-1;const c=(1<<h)-1,a=c>>1,l=23===f?Math.pow(2,-24)-Math.pow(2,-77):0;let p=n?0:o-1;const w=n?1:-1,y=e<0||0===e&&1/e<0?1:0;for(e=Math.abs(e),isNaN(e)||e===1/0?(u=isNaN(e)?1:0,i=c):(i=Math.floor(Math.log(e)/Math.LN2),e*(s=Math.pow(2,-i))<1&&(i--,s*=2),(e+=i+a>=1?l/s:l*Math.pow(2,1-a))*s>=2&&(i++,s/=2),i+a>=c?(u=0,i=c):i+a>=1?(u=(e*s-1)*Math.pow(2,f),i+=a):(u=e*Math.pow(2,a-1)*Math.pow(2,f),i=0));f>=8;)t[r+p]=255&u,p+=w,u/=256,f-=8;for(i=i<<f|u,h+=f;h>0;)t[r+p]=255&i,p+=w,i/=256,h-=8;t[r+p-w]|=128*y}revLookup["-".charCodeAt(0)]=62,revLookup["_".charCodeAt(0)]=63;const customInspectSymbol="function"==typeof Symbol&&"function"==typeof Symbol.for?Symbol.for("nodejs.util.inspect.custom"):null,INSPECT_MAX_BYTES=50,K_MAX_LENGTH=2147483647;function typedArraySupport(){try{const t=new Uint8Array(1),e={foo:function(){return 42}};return Object.setPrototypeOf(e,Uint8Array.prototype),Object.setPrototypeOf(t,e),42===t.foo()}catch(t){return!1}}function createBuffer(t){if(t>2147483647)throw new RangeError('The value "'+t+'" is invalid for option "size"');const e=new Uint8Array(t);return Object.setPrototypeOf(e,OwnBuffer.prototype),e}function OwnBuffer(t,e,r){if("number"==typeof t){if("string"==typeof e)throw new TypeError('The "string" argument must be of type string. Received type number');return allocUnsafe(t)}return from(t,e,r)}function from(t,e,r){if("string"==typeof t)return fromString(t,e);if(ArrayBuffer.isView(t))return fromArrayView(t);if(null==t)throw new TypeError("The first argument must be one of type string, Buffer, ArrayBuffer, Array, or Array-like Object. Received type "+typeof t);if(isInstance(t,ArrayBuffer)||t&&isInstance(t.buffer,ArrayBuffer))return fromArrayBuffer(t,e,r);if("undefined"!=typeof SharedArrayBuffer&&(isInstance(t,SharedArrayBuffer)||t&&isInstance(t.buffer,SharedArrayBuffer)))return fromArrayBuffer(t,e,r);if("number"==typeof t)throw new TypeError('The "value" argument must not be of type number. Received type number');const n=t.valueOf&&t.valueOf();if(null!=n&&n!==t)return OwnBuffer.from(n,e,r);const f=fromObject(t);if(f)return f;if("undefined"!=typeof Symbol&&null!=Symbol.toPrimitive&&"function"==typeof t[Symbol.toPrimitive])return OwnBuffer.from(t[Symbol.toPrimitive]("string"),e,r);throw new TypeError("The first argument must be one of type string, Buffer, ArrayBuffer, Array, or Array-like Object. Received type "+typeof t)}function assertSize(t){if("number"!=typeof t)throw new TypeError('"size" argument must be of type number');if(t<0)throw new RangeError('The value "'+t+'" is invalid for option "size"')}function alloc(t,e,r){return assertSize(t),t<=0?createBuffer(t):void 0!==e?"string"==typeof r?createBuffer(t).fill(e,r):createBuffer(t).fill(e):createBuffer(t)}function allocUnsafe(t){return assertSize(t),createBuffer(t<0?0:0|checked(t))}function fromString(t,e){if("string"==typeof e&&""!==e||(e="utf8"),!OwnBuffer.isEncoding(e))throw new TypeError("Unknown encoding: "+e);const r=0|byteLength(t,e);let n=createBuffer(r);const f=n.write(t,e);return f!==r&&(n=n.slice(0,f)),n}function fromArrayLike(t){const e=t.length<0?0:0|checked(t.length),r=createBuffer(e);for(let n=0;n<e;n+=1)r[n]=255&t[n];return r}function fromArrayView(t){if(isInstance(t,Uint8Array)){const e=new Uint8Array(t);return fromArrayBuffer(e.buffer,e.byteOffset,e.byteLength)}return fromArrayLike(t)}function fromArrayBuffer(t,e,r){if(e<0||t.byteLength<e)throw new RangeError('"offset" is outside of buffer bounds');if(t.byteLength<e+(r||0))throw new RangeError('"length" is outside of buffer bounds');let n;return n=void 0===e&&void 0===r?new Uint8Array(t):void 0===r?new Uint8Array(t,e):new Uint8Array(t,e,r),Object.setPrototypeOf(n,OwnBuffer.prototype),n}function fromObject(t){if(OwnBuffer.isBuffer(t)){const e=0|checked(t.length),r=createBuffer(e);return 0===r.length||t.copy(r,0,0,e),r}return void 0!==t.length?"number"!=typeof t.length||numberIsNaN(t.length)?createBuffer(0):fromArrayLike(t):"Buffer"===t.type&&Array.isArray(t.data)?fromArrayLike(t.data):void 0}function checked(t){if(t>=2147483647)throw new RangeError("Attempt to allocate Buffer larger than maximum size: 0x"+2147483647..toString(16)+" bytes");return 0|t}function SlowBuffer(t){return+t!=t&&(t=0),OwnBuffer.alloc(+t)}function byteLength(t,e){if(OwnBuffer.isBuffer(t))return t.length;if(ArrayBuffer.isView(t)||isInstance(t,ArrayBuffer))return t.byteLength;if("string"!=typeof t)throw new TypeError('The "string" argument must be one of type string, Buffer, or ArrayBuffer. Received type '+typeof t);const r=t.length,n=arguments.length>2&&!0===arguments[2];if(!n&&0===r)return 0;let f=!1;for(;;)switch(e){case"ascii":case"latin1":case"binary":return r;case"utf8":case"utf-8":return utf8ToBytes(t).length;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return 2*r;case"hex":return r>>>1;case"base64":return base64ToBytes(t).length;default:if(f)return n?-1:utf8ToBytes(t).length;e=(""+e).toLowerCase(),f=!0}}function slowToString(t,e,r){let n=!1;if((void 0===e||e<0)&&(e=0),e>this.length)return"";if((void 0===r||r>this.length)&&(r=this.length),r<=0)return"";if((r>>>=0)<=(e>>>=0))return"";for(t||(t="utf8");;)switch(t){case"hex":return hexSlice(this,e,r);case"utf8":case"utf-8":return utf8Slice(this,e,r);case"ascii":return asciiSlice(this,e,r);case"latin1":case"binary":return latin1Slice(this,e,r);case"base64":return base64Slice(this,e,r);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return utf16leSlice(this,e,r);default:if(n)throw new TypeError("Unknown encoding: "+t);t=(t+"").toLowerCase(),n=!0}}function swap(t,e,r){const n=t[e];t[e]=t[r],t[r]=n}function bidirectionalIndexOf(t,e,r,n,f){if(0===OwnBuffer.length)return-1;if("string"==typeof r?(n=r,r=0):r>2147483647?r=2147483647:r<-2147483648&&(r=-2147483648),numberIsNaN(r=+r)&&(r=f?0:OwnBuffer.length-1),r<0&&(r=OwnBuffer.length+r),r>=OwnBuffer.length){if(f)return-1;r=OwnBuffer.length-1}else if(r<0){if(!f)return-1;r=0}if("string"==typeof e&&(e=OwnBuffer.from(e,n)),OwnBuffer.isBuffer(e))return 0===e.length?-1:arrayIndexOf(t,e,r,n,f);if("number"==typeof e)return e&=255,"function"==typeof Uint8Array.prototype.indexOf?f?Uint8Array.prototype.indexOf.call(t,e,r):Uint8Array.prototype.lastIndexOf.call(t,e,r):arrayIndexOf(t,[e],r,n,f);throw new TypeError("val must be string, number or Buffer")}function arrayIndexOf(t,e,r,n,f){let o,i=1,u=t.length,s=e.length;if(void 0!==n&&("ucs2"===(n=String(n).toLowerCase())||"ucs-2"===n||"utf16le"===n||"utf-16le"===n)){if(t.length<2||e.length<2)return-1;i=2,u/=2,s/=2,r/=2}function h(t,e){return 1===i?t[e]:t.readUInt16BE(e*i)}if(f){let n=-1;for(o=r;o<u;o++)if(h(t,o)===h(e,-1===n?0:o-n)){if(-1===n&&(n=o),o-n+1===s)return n*i}else-1!==n&&(o-=o-n),n=-1}else for(r+s>u&&(r=u-s),o=r;o>=0;o--){let r=!0;for(let n=0;n<s;n++)if(h(t,o+n)!==h(e,n)){r=!1;break}if(r)return o}return-1}function hexWrite(t,e,r,n){r=Number(r)||0;const f=t.length-r;n?(n=Number(n))>f&&(n=f):n=f;const o=e.length;let i;for(n>o/2&&(n=o/2),i=0;i<n;++i){const n=parseInt(e.substr(2*i,2),16);if(numberIsNaN(n))return i;t[r+i]=n}return i}function utf8Write(t,e,r,n){return blitBuffer(utf8ToBytes(e,t.length-r),t,r,n)}function asciiWrite(t,e,r,n){return blitBuffer(asciiToBytes(e),t,r,n)}function base64Write(t,e,r,n){return blitBuffer(base64ToBytes(e),t,r,n)}function ucs2Write(t,e,r,n){return blitBuffer(utf16leToBytes(e,t.length-r),t,r,n)}function base64Slice(t,e,r){return 0===e&&r===t.length?fromByteArray(t):fromByteArray(t.slice(e,r))}function utf8Slice(t,e,r){r=Math.min(t.length,r);const n=[];let f=e;for(;f<r;){const e=t[f];let o=null,i=e>239?4:e>223?3:e>191?2:1;if(f+i<=r){let r,n,u,s;switch(i){case 1:e<128&&(o=e);break;case 2:r=t[f+1],128==(192&r)&&(s=(31&e)<<6|63&r,s>127&&(o=s));break;case 3:r=t[f+1],n=t[f+2],128==(192&r)&&128==(192&n)&&(s=(15&e)<<12|(63&r)<<6|63&n,s>2047&&(s<55296||s>57343)&&(o=s));break;case 4:r=t[f+1],n=t[f+2],u=t[f+3],128==(192&r)&&128==(192&n)&&128==(192&u)&&(s=(15&e)<<18|(63&r)<<12|(63&n)<<6|63&u,s>65535&&s<1114112&&(o=s))}}null===o?(o=65533,i=1):o>65535&&(o-=65536,n.push(o>>>10&1023|55296),o=56320|1023&o),n.push(o),f+=i}return decodeCodePointsArray(n)}OwnBuffer.TYPED_ARRAY_SUPPORT=typedArraySupport(),OwnBuffer.TYPED_ARRAY_SUPPORT||"undefined"==typeof console||"function"!=typeof console.error||console.error("This browser lacks typed array (Uint8Array) support which is required by `buffer` v5.x. Use `buffer` v4.x if you require old browser support."),Object.defineProperty(OwnBuffer.prototype,"parent",{enumerable:!0,get:function(){if(OwnBuffer.isBuffer(this))return this.buffer}}),Object.defineProperty(OwnBuffer.prototype,"offset",{enumerable:!0,get:function(){if(OwnBuffer.isBuffer(this))return this.byteOffset}}),OwnBuffer.poolSize=8192,OwnBuffer.from=function(t,e,r){return from(t,e,r)},Object.setPrototypeOf(OwnBuffer.prototype,Uint8Array.prototype),Object.setPrototypeOf(OwnBuffer,Uint8Array),OwnBuffer.alloc=function(t,e,r){return alloc(t,e,r)},OwnBuffer.allocUnsafe=function(t){return allocUnsafe(t)},OwnBuffer.allocUnsafeSlow=function(t){return allocUnsafe(t)},OwnBuffer.isBuffer=function(t){return null!=t&&!0===t._isBuffer&&t!==OwnBuffer.prototype},OwnBuffer.compare=function(t,e){if(isInstance(t,Uint8Array)&&(t=OwnBuffer.from(t,t.offset,t.byteLength)),isInstance(e,Uint8Array)&&(e=OwnBuffer.from(e,e.offset,e.byteLength)),!OwnBuffer.isBuffer(t)||!OwnBuffer.isBuffer(e))throw new TypeError('The "buf1", "buf2" arguments must be one of type Buffer or Uint8Array');if(t===e)return 0;let r=t.length,n=e.length;for(let f=0,o=Math.min(r,n);f<o;++f)if(t[f]!==e[f]){r=t[f],n=e[f];break}return r<n?-1:n<r?1:0},OwnBuffer.isEncoding=function(t){switch(String(t).toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"latin1":case"binary":case"base64":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return!0;default:return!1}},OwnBuffer.concat=function(t,e){if(!Array.isArray(t))throw new TypeError('"list" argument must be an Array of Buffers');if(0===t.length)return OwnBuffer.alloc(0);let r;if(void 0===e)for(e=0,r=0;r<t.length;++r)e+=t[r].length;const n=OwnBuffer.allocUnsafe(e);let f=0;for(r=0;r<t.length;++r){let e=t[r];if(isInstance(e,Uint8Array))f+e.length>OwnBuffer.length?(OwnBuffer.isBuffer(e)||(e=OwnBuffer.from(e)),e.copy(n,f)):Uint8Array.prototype.set.call(n,e,f);else{if(!OwnBuffer.isBuffer(e))throw new TypeError('"list" argument must be an Array of Buffers');e.copy(n,f)}f+=e.length}return n},OwnBuffer.byteLength=byteLength,OwnBuffer.prototype._isBuffer=!0,OwnBuffer.prototype.swap16=function(){const t=this.length;if(t%2!=0)throw new RangeError("Buffer size must be a multiple of 16-bits");for(let e=0;e<t;e+=2)swap(this,e,e+1);return this},OwnBuffer.prototype.swap32=function(){const t=this.length;if(t%4!=0)throw new RangeError("Buffer size must be a multiple of 32-bits");for(let e=0;e<t;e+=4)swap(this,e,e+3),swap(this,e+1,e+2);return this},OwnBuffer.prototype.swap64=function(){const t=this.length;if(t%8!=0)throw new RangeError("Buffer size must be a multiple of 64-bits");for(let e=0;e<t;e+=8)swap(this,e,e+7),swap(this,e+1,e+6),swap(this,e+2,e+5),swap(this,e+3,e+4);return this},OwnBuffer.prototype.toString=function(){const t=this.length;return 0===t?"":0===arguments.length?utf8Slice(this,0,t):slowToString.apply(this,arguments)},OwnBuffer.prototype.toLocaleString=OwnBuffer.prototype.toString,OwnBuffer.prototype.equals=function(t){if(!OwnBuffer.isBuffer(t))throw new TypeError("Argument must be a Buffer");return this===t||0===OwnBuffer.compare(this,t)},OwnBuffer.prototype.inspect=function(){let t="";return t=this.toString("hex",0,50).replace(/(.{2})/g,"$1 ").trim(),this.length>50&&(t+=" ... "),"<Buffer "+t+">"},customInspectSymbol&&(OwnBuffer.prototype[customInspectSymbol]=OwnBuffer.prototype.inspect),OwnBuffer.prototype.compare=function(t,e,r,n,f){if(isInstance(t,Uint8Array)&&(t=OwnBuffer.from(t,t.offset,t.byteLength)),!OwnBuffer.isBuffer(t))throw new TypeError('The "target" argument must be one of type Buffer or Uint8Array. Received type '+typeof t);if(void 0===e&&(e=0),void 0===r&&(r=t?t.length:0),void 0===n&&(n=0),void 0===f&&(f=this.length),e<0||r>t.length||n<0||f>this.length)throw new RangeError("out of range index");if(n>=f&&e>=r)return 0;if(n>=f)return-1;if(e>=r)return 1;if(this===t)return 0;let o=(f>>>=0)-(n>>>=0),i=(r>>>=0)-(e>>>=0);const u=Math.min(o,i),s=this.slice(n,f),h=t.slice(e,r);for(let t=0;t<u;++t)if(s[t]!==h[t]){o=s[t],i=h[t];break}return o<i?-1:i<o?1:0},OwnBuffer.prototype.includes=function(t,e,r){return-1!==this.indexOf(t,e,r)},OwnBuffer.prototype.indexOf=function(t,e,r){return bidirectionalIndexOf(this,t,e,r,!0)},OwnBuffer.prototype.lastIndexOf=function(t,e,r){return bidirectionalIndexOf(this,t,e,r,!1)},OwnBuffer.prototype.write=function(t,e,r,n){if(void 0===e)n="utf8",r=this.length,e=0;else if(void 0===r&&"string"==typeof e)n=e,r=this.length,e=0;else{if(!isFinite(e))throw new Error("OwnBuffer.write(string, encoding, offset[, length]) is no longer supported");e>>>=0,isFinite(r)?(r>>>=0,void 0===n&&(n="utf8")):(n=r,r=void 0)}const f=this.length-e;if((void 0===r||r>f)&&(r=f),t.length>0&&(r<0||e<0)||e>this.length)throw new RangeError("Attempt to write outside buffer bounds");n||(n="utf8");let o=!1;for(;;)switch(n){case"hex":return hexWrite(this,t,e,r);case"utf8":case"utf-8":return utf8Write(this,t,e,r);case"ascii":case"latin1":case"binary":return asciiWrite(this,t,e,r);case"base64":return base64Write(this,t,e,r);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return ucs2Write(this,t,e,r);default:if(o)throw new TypeError("Unknown encoding: "+n);n=(""+n).toLowerCase(),o=!0}},OwnBuffer.prototype.toJSON=function(){return{type:"Buffer",data:Array.prototype.slice.call(this._arr||this,0)}};const MAX_ARGUMENTS_LENGTH=4096;function decodeCodePointsArray(t){const e=t.length;if(e<=4096)return String.fromCharCode.apply(String,t);let r="",n=0;for(;n<e;)r+=String.fromCharCode.apply(String,t.slice(n,n+=4096));return r}function asciiSlice(t,e,r){let n="";r=Math.min(t.length,r);for(let f=e;f<r;++f)n+=String.fromCharCode(127&t[f]);return n}function latin1Slice(t,e,r){let n="";r=Math.min(t.length,r);for(let f=e;f<r;++f)n+=String.fromCharCode(t[f]);return n}function hexSlice(t,e,r){const n=t.length;(!e||e<0)&&(e=0),(!r||r<0||r>n)&&(r=n);let f="";for(let n=e;n<r;++n)f+=hexSliceLookupTable[t[n]];return f}function utf16leSlice(t,e,r){const n=t.slice(e,r);let f="";for(let t=0;t<n.length-1;t+=2)f+=String.fromCharCode(n[t]+256*n[t+1]);return f}function checkOffset(t,e,r){if(t%1!=0||t<0)throw new RangeError("offset is not uint");if(t+e>r)throw new RangeError("Trying to access beyond buffer length")}function checkInt(t,e,r,n,f,o){if(!OwnBuffer.isBuffer(t))throw new TypeError('"buffer" argument must be a Buffer instance');if(e>f||e<o)throw new RangeError('"value" argument is out of bounds');if(r+n>t.length)throw new RangeError("Index out of range")}function wrtBigUInt64LE(t,e,r,n,f){checkIntBI(e,n,f,t,r,7);let o=Number(e&BigInt(4294967295));t[r++]=o,o>>=8,t[r++]=o,o>>=8,t[r++]=o,o>>=8,t[r++]=o;let i=Number(e>>BigInt(32)&BigInt(4294967295));return t[r++]=i,i>>=8,t[r++]=i,i>>=8,t[r++]=i,i>>=8,t[r++]=i,r}function wrtBigUInt64BE(t,e,r,n,f){checkIntBI(e,n,f,t,r,7);let o=Number(e&BigInt(4294967295));t[r+7]=o,o>>=8,t[r+6]=o,o>>=8,t[r+5]=o,o>>=8,t[r+4]=o;let i=Number(e>>BigInt(32)&BigInt(4294967295));return t[r+3]=i,i>>=8,t[r+2]=i,i>>=8,t[r+1]=i,i>>=8,t[r]=i,r+8}function checkIEEE754(t,e,r,n,f,o){if(r+n>t.length)throw new RangeError("Index out of range");if(r<0)throw new RangeError("Index out of range")}function writeFloat(t,e,r,n,f){return e=+e,r>>>=0,f||checkIEEE754(t,e,r,4,34028234663852886e22,-34028234663852886e22),ieee754Write(t,e,r,n,23,4),r+4}function writeDouble(t,e,r,n,f){return e=+e,r>>>=0,f||checkIEEE754(t,e,r,8,17976931348623157e292,-17976931348623157e292),ieee754Write(t,e,r,n,52,8),r+8}OwnBuffer.prototype.slice=function(t,e){const r=this.length;(t=~~t)<0?(t+=r)<0&&(t=0):t>r&&(t=r),(e=void 0===e?r:~~e)<0?(e+=r)<0&&(e=0):e>r&&(e=r),e<t&&(e=t);const n=this.subarray(t,e);return Object.setPrototypeOf(n,OwnBuffer.prototype),n},OwnBuffer.prototype.readUintLE=OwnBuffer.prototype.readUIntLE=function(t,e,r){t>>>=0,e>>>=0,r||checkOffset(t,e,this.length);let n=this[t],f=1,o=0;for(;++o<e&&(f*=256);)n+=this[t+o]*f;return n},OwnBuffer.prototype.readUintBE=OwnBuffer.prototype.readUIntBE=function(t,e,r){t>>>=0,e>>>=0,r||checkOffset(t,e,this.length);let n=this[t+--e],f=1;for(;e>0&&(f*=256);)n+=this[t+--e]*f;return n},OwnBuffer.prototype.readUint8=OwnBuffer.prototype.readUInt8=function(t,e){return t>>>=0,e||checkOffset(t,1,this.length),this[t]},OwnBuffer.prototype.readUint16LE=OwnBuffer.prototype.readUInt16LE=function(t,e){return t>>>=0,e||checkOffset(t,2,this.length),this[t]|this[t+1]<<8},OwnBuffer.prototype.readUint16BE=OwnBuffer.prototype.readUInt16BE=function(t,e){return t>>>=0,e||checkOffset(t,2,this.length),this[t]<<8|this[t+1]},OwnBuffer.prototype.readUint32LE=OwnBuffer.prototype.readUInt32LE=function(t,e){return t>>>=0,e||checkOffset(t,4,this.length),(this[t]|this[t+1]<<8|this[t+2]<<16)+16777216*this[t+3]},OwnBuffer.prototype.readUint32BE=OwnBuffer.prototype.readUInt32BE=function(t,e){return t>>>=0,e||checkOffset(t,4,this.length),16777216*this[t]+(this[t+1]<<16|this[t+2]<<8|this[t+3])},OwnBuffer.prototype.readBigUInt64LE=defineBigIntMethod((function(t){validateNumber(t>>>=0,"offset");const e=this[t],r=this[t+7];void 0!==e&&void 0!==r||boundsError(t,this.length-8);const n=e+256*this[++t]+65536*this[++t]+this[++t]*2**24,f=this[++t]+256*this[++t]+65536*this[++t]+r*2**24;return BigInt(n)+(BigInt(f)<<BigInt(32))})),OwnBuffer.prototype.readBigUInt64BE=defineBigIntMethod((function(t){validateNumber(t>>>=0,"offset");const e=this[t],r=this[t+7];void 0!==e&&void 0!==r||boundsError(t,this.length-8);const n=e*2**24+65536*this[++t]+256*this[++t]+this[++t],f=this[++t]*2**24+65536*this[++t]+256*this[++t]+r;return(BigInt(n)<<BigInt(32))+BigInt(f)})),OwnBuffer.prototype.readIntLE=function(t,e,r){t>>>=0,e>>>=0,r||checkOffset(t,e,this.length);let n=this[t],f=1,o=0;for(;++o<e&&(f*=256);)n+=this[t+o]*f;return f*=128,n>=f&&(n-=Math.pow(2,8*e)),n},OwnBuffer.prototype.readIntBE=function(t,e,r){t>>>=0,e>>>=0,r||checkOffset(t,e,this.length);let n=e,f=1,o=this[t+--n];for(;n>0&&(f*=256);)o+=this[t+--n]*f;return f*=128,o>=f&&(o-=Math.pow(2,8*e)),o},OwnBuffer.prototype.readInt8=function(t,e){return t>>>=0,e||checkOffset(t,1,this.length),128&this[t]?-1*(255-this[t]+1):this[t]},OwnBuffer.prototype.readInt16LE=function(t,e){t>>>=0,e||checkOffset(t,2,this.length);const r=this[t]|this[t+1]<<8;return 32768&r?4294901760|r:r},OwnBuffer.prototype.readInt16BE=function(t,e){t>>>=0,e||checkOffset(t,2,this.length);const r=this[t+1]|this[t]<<8;return 32768&r?4294901760|r:r},OwnBuffer.prototype.readInt32LE=function(t,e){return t>>>=0,e||checkOffset(t,4,this.length),this[t]|this[t+1]<<8|this[t+2]<<16|this[t+3]<<24},OwnBuffer.prototype.readInt32BE=function(t,e){return t>>>=0,e||checkOffset(t,4,this.length),this[t]<<24|this[t+1]<<16|this[t+2]<<8|this[t+3]},OwnBuffer.prototype.readBigInt64LE=defineBigIntMethod((function(t){validateNumber(t>>>=0,"offset");const e=this[t],r=this[t+7];void 0!==e&&void 0!==r||boundsError(t,this.length-8);const n=this[t+4]+256*this[t+5]+65536*this[t+6]+(r<<24);return(BigInt(n)<<BigInt(32))+BigInt(e+256*this[++t]+65536*this[++t]+this[++t]*2**24)})),OwnBuffer.prototype.readBigInt64BE=defineBigIntMethod((function(t){validateNumber(t>>>=0,"offset");const e=this[t],r=this[t+7];void 0!==e&&void 0!==r||boundsError(t,this.length-8);const n=(e<<24)+65536*this[++t]+256*this[++t]+this[++t];return(BigInt(n)<<BigInt(32))+BigInt(this[++t]*2**24+65536*this[++t]+256*this[++t]+r)})),OwnBuffer.prototype.readFloatLE=function(t,e){return t>>>=0,e||checkOffset(t,4,this.length),ieee754Read(this,t,!0,23,4)},OwnBuffer.prototype.readFloatBE=function(t,e){return t>>>=0,e||checkOffset(t,4,this.length),ieee754Read(this,t,!1,23,4)},OwnBuffer.prototype.readDoubleLE=function(t,e){return t>>>=0,e||checkOffset(t,8,this.length),ieee754Read(this,t,!0,52,8)},OwnBuffer.prototype.readDoubleBE=function(t,e){return t>>>=0,e||checkOffset(t,8,this.length),ieee754Read(this,t,!1,52,8)},OwnBuffer.prototype.writeUintLE=OwnBuffer.prototype.writeUIntLE=function(t,e,r,n){t=+t,e>>>=0,r>>>=0,n||checkInt(this,t,e,r,Math.pow(2,8*r)-1,0);let f=1,o=0;for(this[e]=255&t;++o<r&&(f*=256);)this[e+o]=t/f&255;return e+r},OwnBuffer.prototype.writeUintBE=OwnBuffer.prototype.writeUIntBE=function(t,e,r,n){t=+t,e>>>=0,r>>>=0,n||checkInt(this,t,e,r,Math.pow(2,8*r)-1,0);let f=r-1,o=1;for(this[e+f]=255&t;--f>=0&&(o*=256);)this[e+f]=t/o&255;return e+r},OwnBuffer.prototype.writeUint8=OwnBuffer.prototype.writeUInt8=function(t,e,r){return t=+t,e>>>=0,r||checkInt(this,t,e,1,255,0),this[e]=255&t,e+1},OwnBuffer.prototype.writeUint16LE=OwnBuffer.prototype.writeUInt16LE=function(t,e,r){return t=+t,e>>>=0,r||checkInt(this,t,e,2,65535,0),this[e]=255&t,this[e+1]=t>>>8,e+2},OwnBuffer.prototype.writeUint16BE=OwnBuffer.prototype.writeUInt16BE=function(t,e,r){return t=+t,e>>>=0,r||checkInt(this,t,e,2,65535,0),this[e]=t>>>8,this[e+1]=255&t,e+2},OwnBuffer.prototype.writeUint32LE=OwnBuffer.prototype.writeUInt32LE=function(t,e,r){return t=+t,e>>>=0,r||checkInt(this,t,e,4,4294967295,0),this[e+3]=t>>>24,this[e+2]=t>>>16,this[e+1]=t>>>8,this[e]=255&t,e+4},OwnBuffer.prototype.writeUint32BE=OwnBuffer.prototype.writeUInt32BE=function(t,e,r){return t=+t,e>>>=0,r||checkInt(this,t,e,4,4294967295,0),this[e]=t>>>24,this[e+1]=t>>>16,this[e+2]=t>>>8,this[e+3]=255&t,e+4},OwnBuffer.prototype.writeBigUInt64LE=defineBigIntMethod((function(t,e=0){return wrtBigUInt64LE(this,t,e,BigInt(0),BigInt("0xffffffffffffffff"))})),OwnBuffer.prototype.writeBigUInt64BE=defineBigIntMethod((function(t,e=0){return wrtBigUInt64BE(this,t,e,BigInt(0),BigInt("0xffffffffffffffff"))})),OwnBuffer.prototype.writeIntLE=function(t,e,r,n){if(t=+t,e>>>=0,!n){const n=Math.pow(2,8*r-1);checkInt(this,t,e,r,n-1,-n)}let f=0,o=1,i=0;for(this[e]=255&t;++f<r&&(o*=256);)t<0&&0===i&&0!==this[e+f-1]&&(i=1),this[e+f]=(t/o>>0)-i&255;return e+r},OwnBuffer.prototype.writeIntBE=function(t,e,r,n){if(t=+t,e>>>=0,!n){const n=Math.pow(2,8*r-1);checkInt(this,t,e,r,n-1,-n)}let f=r-1,o=1,i=0;for(this[e+f]=255&t;--f>=0&&(o*=256);)t<0&&0===i&&0!==this[e+f+1]&&(i=1),this[e+f]=(t/o>>0)-i&255;return e+r},OwnBuffer.prototype.writeInt8=function(t,e,r){return t=+t,e>>>=0,r||checkInt(this,t,e,1,127,-128),t<0&&(t=255+t+1),this[e]=255&t,e+1},OwnBuffer.prototype.writeInt16LE=function(t,e,r){return t=+t,e>>>=0,r||checkInt(this,t,e,2,32767,-32768),this[e]=255&t,this[e+1]=t>>>8,e+2},OwnBuffer.prototype.writeInt16BE=function(t,e,r){return t=+t,e>>>=0,r||checkInt(this,t,e,2,32767,-32768),this[e]=t>>>8,this[e+1]=255&t,e+2},OwnBuffer.prototype.writeInt32LE=function(t,e,r){return t=+t,e>>>=0,r||checkInt(this,t,e,4,2147483647,-2147483648),this[e]=255&t,this[e+1]=t>>>8,this[e+2]=t>>>16,this[e+3]=t>>>24,e+4},OwnBuffer.prototype.writeInt32BE=function(t,e,r){return t=+t,e>>>=0,r||checkInt(this,t,e,4,2147483647,-2147483648),t<0&&(t=4294967295+t+1),this[e]=t>>>24,this[e+1]=t>>>16,this[e+2]=t>>>8,this[e+3]=255&t,e+4},OwnBuffer.prototype.writeBigInt64LE=defineBigIntMethod((function(t,e=0){return wrtBigUInt64LE(this,t,e,-BigInt("0x8000000000000000"),BigInt("0x7fffffffffffffff"))})),OwnBuffer.prototype.writeBigInt64BE=defineBigIntMethod((function(t,e=0){return 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errors={};function E(t,e,r){errors[t]=class extends r{constructor(){super(),Object.defineProperty(this,"message",{value:e.apply(this,arguments),writable:!0,configurable:!0}),this.name=`${this.name} [${t}]`,this.stack,delete this.name}get code(){return t}set code(t){Object.defineProperty(this,"code",{configurable:!0,enumerable:!0,value:t,writable:!0})}toString(){return`${this.name} [${t}]: ${this.message}`}}}function addNumericalSeparator(t){let e="",r=t.length;const n="-"===t[0]?1:0;for(;r>=n+4;r-=3)e=`_${t.slice(r-3,r)}${e}`;return`${t.slice(0,r)}${e}`}function checkBounds(t,e,r){validateNumber(e,"offset"),void 0!==t[e]&&void 0!==t[e+r]||boundsError(e,t.length-(r+1))}function checkIntBI(t,e,r,n,f,o){if(t>r||t<e){const n="bigint"==typeof e?"n":"";let f;throw f=o>3?0===e||e===BigInt(0)?`>= 0${n} and < 2${n} ** ${8*(o+1)}${n}`:`>= -(2${n} ** ${8*(o+1)-1}${n}) and < 2 ** ${8*(o+1)-1}${n}`:`>= ${e}${n} and <= ${r}${n}`,new errors.ERR_OUT_OF_RANGE("value",f,t)}checkBounds(n,f,o)}function validateNumber(t,e){if("number"!=typeof t)throw new errors.ERR_INVALID_ARG_TYPE(e,"number",t)}function boundsError(t,e,r){if(Math.floor(t)!==t)throw validateNumber(t,r),new errors.ERR_OUT_OF_RANGE(r||"offset","an integer",t);if(e<0)throw new errors.ERR_BUFFER_OUT_OF_BOUNDS;throw new errors.ERR_OUT_OF_RANGE(r||"offset",`>= ${r?1:0} and <= ${e}`,t)}E("ERR_BUFFER_OUT_OF_BOUNDS",(function(t){return t?`${t} is outside of buffer bounds`:"Attempt to access memory outside buffer bounds"}),RangeError),E("ERR_INVALID_ARG_TYPE",(function(t,e){return`The "${t}" argument must be of type number. Received type ${typeof e}`}),TypeError),E("ERR_OUT_OF_RANGE",(function(t,e,r){let n=`The value of "${t}" is out of range.`,f=r;return Number.isInteger(r)&&Math.abs(r)>2**32?f=addNumericalSeparator(String(r)):"bigint"==typeof r&&(f=String(r),(r>BigInt(2)**BigInt(32)||r<-(BigInt(2)**BigInt(32)))&&(f=addNumericalSeparator(f)),f+="n"),n+=` It must be ${e}. Received ${f}`,n}),RangeError);const INVALID_BASE64_RE=/[^+/0-9A-Za-z-_]/g;function base64clean(t){if((t=(t=t.split("=")[0]).trim().replace(INVALID_BASE64_RE,"")).length<2)return"";for(;t.length%4!=0;)t+="=";return t}function utf8ToBytes(t,e){let r;e=e||1/0;const n=t.length;let f=null;const o=[];for(let i=0;i<n;++i){if(r=t.charCodeAt(i),r>55295&&r<57344){if(!f){if(r>56319){(e-=3)>-1&&o.push(239,191,189);continue}if(i+1===n){(e-=3)>-1&&o.push(239,191,189);continue}f=r;continue}if(r<56320){(e-=3)>-1&&o.push(239,191,189),f=r;continue}r=65536+(f-55296<<10|r-56320)}else f&&(e-=3)>-1&&o.push(239,191,189);if(f=null,r<128){if((e-=1)<0)break;o.push(r)}else if(r<2048){if((e-=2)<0)break;o.push(r>>6|192,63&r|128)}else if(r<65536){if((e-=3)<0)break;o.push(r>>12|224,r>>6&63|128,63&r|128)}else{if(!(r<1114112))throw new Error("Invalid code point");if((e-=4)<0)break;o.push(r>>18|240,r>>12&63|128,r>>6&63|128,63&r|128)}}return o}function asciiToBytes(t){const e=[];for(let r=0;r<t.length;++r)e.push(255&t.charCodeAt(r));return e}function utf16leToBytes(t,e){let r,n,f;const o=[];for(let i=0;i<t.length&&!((e-=2)<0);++i)r=t.charCodeAt(i),n=r>>8,f=r%256,o.push(f),o.push(n);return o}function base64ToBytes(t){return toByteArray(base64clean(t))}function blitBuffer(t,e,r,n){let f;for(f=0;f<n&&!(f+r>=e.length||f>=t.length);++f)e[f+r]=t[f];return f}function isInstance(t,e){return t instanceof e||null!=t&&null!=t.constructor&&null!=t.constructor.name&&t.constructor.name===e.name}function numberIsNaN(t){return t!=t}const hexSliceLookupTable=function(){const t="0123456789abcdef",e=new Array(256);for(let r=0;r<16;++r){const n=16*r;for(let f=0;f<16;++f)e[n+f]=t[r]+t[f]}return e}();function defineBigIntMethod(t){return"undefined"==typeof BigInt?BufferBigIntNotDefined:t}function BufferBigIntNotDefined(){throw new Error("BigInt not supported")}window&&(window.Buffer=OwnBuffer);