"use strict";self.onmessage=function(event){const{command,payload}=event.data;try{let result;switch(command){case"convert_wasm":result=processWasmConversion(payload.fileBuffer,payload.fileName,payload.targetFormat);break;case"sha256":result=sha256_crypt(payload.text);break;case"solve_pow":result=solveProofOfWork(payload.tool_id);break;case"stats":result=calculateStatistics(payload.numbers);break;case"trend_regression":result=calculateLinearRegression(payload.xArray,payload.yArray);break;default:throw new Error(`Unknown background worker command: "${command}"`)}if(command==="convert_wasm"&&result&&result.buffer){self.postMessage({success:true,command:command,result:result},[result.buffer])}else{self.postMessage({success:true,command:command,result:result})}}catch(err){self.postMessage({success:false,command:command,error:err.message})}};function processWasmConversion(fileBuffer,fileName,targetFormat){const uint8View=new Uint8Array(fileBuffer);const processedBytes=new Uint8Array(uint8View.length);for(let i=0;i>>amount|value<<32-amount}const mathPow=Math.pow;const maxWord=mathPow(2,32);let i,j;let result="";const words=[];const asciiLength=ascii.length*8;let hash=[1779033703,3144134277,1013904242,2773480762,1359893119,2600822924,528734635,1541459225];const k=[1116352408,1899447441,3049323471,3921009573,961987163,1508970993,2453635748,2870763221,3624381080,310598401,607225278,1426881987,1925078388,2162078206,2614888103,3248222580,3835390401,4022224774,264347078,604807628,770255983,1249150122,1555081692,1996064986,2554220882,2821834349,2952996808,3210313671,3336571891,3584528711,113926993,338241895,666307205,773529912,1294757372,1396182291,1695183700,1986661051,2177026350,2456956037,2730485921,2820302411,3259730800,3345764771,3516065817,3600352804,4094571909,275423344,430227734,506948616,659060556,883997877,958139571,1322822218,1537002063,1747873779,1955562222,2024104815,2227730452,2361852424,2428436474,2756734187,3204031479,3329325298];ascii+="";while(ascii.length%64-56)ascii+="\0";for(i=0;i>8)return"";words[i>>2]|=j<<24-i%4*8}words[words.length]=asciiLength/maxWord|0;words[words.length]=asciiLength;for(let index=0;index>>3;const s1=rightRotate(w2,17)^rightRotate(w2,19)^w2>>>10;const temp2=w[i-16]+s0+w[i-7]+s1;const w_val=w[i]=i<16?w[i]:temp2|0;const a=hash[0],e=hash[4];const s0_h=rightRotate(a,2)^rightRotate(a,13)^rightRotate(a,22);const maj=a&hash[1]^a&hash[2]^hash[1]&hash[2];const temp1=hash[7]+(rightRotate(e,6)^rightRotate(e,11)^rightRotate(e,25))+(e&hash[5]^~e&hash[6])+k[i]+w_val;hash=[temp1+(s0_h+maj)|0].concat(hash);hash[4]=hash[4]+temp1|0}for(i=0;i<8;i++){hash[i]=hash[i]+oldHash[i]|0}}for(i=0;i<8;i++){for(j=3;j+1;j--){const b=hash[i]>>j*8&255;result+=(b<16?"0":"")+b.toString(16)}}return result}function calculateStatistics(numbers){if(!Array.isArray(numbers)||numbers.length===0){return{mean:0,median:0,min:0,max:0,stdDev:0}}const sorted=[...numbers].sort((a,b)=>a-b);const len=sorted.length;const min=sorted[0];const max=sorted[len-1];const sum=sorted.reduce((acc,val)=>acc+val,0);const mean=sum/len;const mid=Math.floor(len/2);const median=len%2!==0?sorted[mid]:(sorted[mid-1]+sorted[mid])/2;const sqDiffSum=sorted.reduce((acc,val)=>acc+Math.pow(val-mean,2),0);const variance=sqDiffSum/len;const stdDev=Math.sqrt(variance);return{mean:parseFloat(mean.toFixed(4)),median:parseFloat(median.toFixed(4)),min:parseFloat(min.toFixed(4)),max:parseFloat(max.toFixed(4)),stdDev:parseFloat(stdDev.toFixed(4))}}function calculateLinearRegression(xArray,yArray){if(!Array.isArray(xArray)||!Array.isArray(yArray)||xArray.length===0||xArray.length!==yArray.length){return{slope:0,intercept:0,forecast:[]}}const n=xArray.length;let sumX=0,sumY=0,sumXY=0,sumXX=0;for(let i=0;i1e6){return{nonce:null,salt:salt}}}}

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