https://liftapp.ai/editor/assets/iobuffer-BmLRrqXH.js

1function o(r,t="utf8"){return new TextDecoder(t).decode(r)}const d=new TextEncoder;function y(r){return d.encode(r)}const g=1024*8,b=(()=>{const r=new Uint8Array(4),t=new Uint32Array(r.buffer);return!((t[0]=1)&r[0])})(),h={int8:globalThis.Int8Array,uint8:globalThis.Uint8Array,int16:globalThis.Int16Array,uint16:globalThis.Uint16Array,int32:globalThis.Int32Array,uint32:globalThis.Uint32Array,uint64:globalThis.BigUint64Array,int64:globalThis.BigInt64Array,float32:globalThis.Float32Array,float64:globalThis.Float64Array};class u{buffer;byteLength;byteOffset;length;offset;lastWrittenByte;littleEndian;_data;_mark;_marks;constructor(t=g,e={}){let i=!1;typeof t=="number"?t=new ArrayBuffer(t):(i=!0,this.lastWrittenByte=t.byteLength);const s=e.offset?e.offset>>>0:0,n=t.byteLength-s;let a=s;(ArrayBuffer.isView(t)||t instanceof u)&&(t.byteLength!==t.buffer.byteLength&&(a=t.byteOffset+s),t=t.buffer),i?this.lastWrittenByte=n:this.lastWrittenByte=0,this.buffer=t,this.length=n,this.byteLength=n,this.byteOffset=a,this.offset=0,this.littleEndian=!0,this._data=new DataView(this.buffer,a,n),this._mark=0,this._marks=[]}available(t=1){return this.offset+t<=this.length}isLittleEndian(){return this.littleEndian}setLittleEndian(){return this.littleEndian=!0,this}isBigEndian(){return!this.littleEndian}setBigEndian(){return this.littleEndian=!1,this}skip(t=1){return this.offset+=t,this}back(t=1){return this.offset-=t,this}seek(t){return this.offset=t,this}mark(){return this._mark=this.offset,this}reset(){return this.offset=this._mark,this}pushMark(){return this._marks.push(this.offset),this}popMark(){const t=this._marks.pop();if(t===void 0)throw new Error("Mark stack empty");return this.seek(t),this}rewind(){return this.offset=0,this}ensureAvailable(t=1){if(!this.available(t)){const i=(this.offset+t)*2,s=new Uint8Array(i);s.set(new Uint8Array(this.buffer)),this.buffer=s.buffer,this.length=i,this.byteLength=i,this._data=new DataView(this.buffer)}return this}readBoolean(){return this.readUint8()!==0}readInt8(){return this._data.getInt8(this.offset++)}readUint8(){return this._data.getUint8(this.offset++)}readByte(){return this.readUint8()}readBytes(t=1){return this.readArray(t,"uint8")}readArray(t,e){const i=h[e].BYTES_PER_ELEMENT*t,s=this.byteOffset+this.offset,n=this.buffer.slice(s,s+i);if(this.littleEndian===b&&e!=="uint8"&&e!=="int8"){const f=new Uint8Array(this.buffer.slice(s,s+i));f.reverse();const l=new h[e](f.buffer);return this.offset+=i,l.reverse(),l}const a=new h[e](n);return this.offset+=i,a}readInt16(){const t=this._data.getInt16(this.offset,this.littleEndian);return this.offset+=2,t}readUint16(){const t=this._data.getUint16(this.offset,this.littleEndian);return this.offset+=2,t}readInt32(){const t=this._data.getInt32(this.offset,this.littleEndian);return this.offset+=4,t}readUint32(){const t=this._data.getUint32(this.offset,this.littleEndian);return this.offset+=4,t}readFloat32(){const t=this._data.getFloat32(this.offset,this.littleEndian);return this.offset+=4,t}readFloat64(){const t=this._data.getFloat64(this.offset,this.littleEndian);return this.offset+=8,t}readBigInt64(){const t=this._data.getBigInt64(this.offset,this.littleEndian);return this.offset+=8,t}readBigUint64(){const t=this._data.getBigUint64(this.offset,this.littleEndian);return this.offset+=8,t}readChar(){return String.fromCharCode(this.readInt8())}readChars(t=1){let e="";for(let i=0;i<t;i++)e+=this.readChar();return e}readUtf8(t=1){return o(this.readBytes(t))}decodeText(t=1,e="utf8"){return o(this.readBytes(t),e)}writeBoolean(t){return this.writeUint8(t?255:0),this}writeInt8(t){return this.ensureAvailable(1),this._data.setInt8(this.offset++,t),this._updateLastWrittenByte(),this}writeUint8(t){return this.ensureAvailable(1),this._data.setUint8(this.offset++,t),this._updateLastWrittenByte(),this}writeByte(t){return this.writeUint8(t)}writeBytes(t){this.ensureAvailable(t.length);for(let e=0;e<t.length;e++)this._data.setUint8(this.offset++,t[e]);return this._updateLastWrittenByte(),this}writeInt16(t){return this.ensureAvailable(2),this._data.setInt16(this.offset,t,this.littleEndian),this.offset+=2,this._updateLastWrittenByte(),this}writeUint16(t){return this.ensureAvailable(2),this._data.setUint16(this.offset,t,this.littleEndian),this.offset+=2,this._updateLastWrittenByte(),this}writeInt32(t){return this.ensureAvailable(4),this._data.setInt32(this.offset,t,this.littleEndian),this.offset+=4,this._updateLastWrittenByte(),this}writeUint32(t){return this.ensureAvailable(4),this._data.setUint32(this.offset,t,this.littleEndian),this.offset+=4,this._updateLastWrittenByte(),this}writeFloat32(t){return this.ensureAvailable(4),this._data.setFloat32(this.offset,t,this.littleEndian),this.offset+=4,this._updateLastWrittenByte(),this}writeFloat64(t){return this.ensureAvailable(8),this._data.setFloat64(this.offset,t,this.littleEndian),this.offset+=8,this._updateLastWrittenByte(),this}writeBigInt64(t){return this.ensureAvailable(8),this._data.setBigInt64(this.offset,t,this.littleEndian),this.offset+=8,this._updateLastWrittenByte(),this}writeBigUint64(t){return this.ensureAvailable(8),this._data.setBigUint64(this.offset,t,this.littleEndian),this.offset+=8,this._updateLastWrittenByte(),this}writeChar(t){return this.writeUint8(t.charCodeAt(0))}writeChars(t){for(let e=0;e<t.length;e++)this.writeUint8(t.charCodeAt(e));return this}writeUtf8(t){return this.writeBytes(y(t))}toArray(){return new Uint8Array(this.buffer,this.byteOffset,this.lastWrittenByte)}getWrittenByteLength(){return this.lastWrittenByte-this.byteOffset}_updateLastWrittenByte(){this.offset>this.lastWrittenByte&&(this.lastWrittenByte=this.offset)}}

1export{u as I};