scran.js/main/wasm/scran.js

Single cell RNA-seq analysis in Javascript

import { createRequire } from 'module';
const require = createRequire(import.meta.url);

var loadScran = (() => {
  var _scriptName = import.meta.url;
  
  return (
function(moduleArg = {}) {
  var moduleRtn;

function GROWABLE_HEAP_I8(){if(wasmMemory.buffer!=HEAP8.buffer){updateMemoryViews()}return HEAP8}function GROWABLE_HEAP_U8(){if(wasmMemory.buffer!=HEAP8.buffer){updateMemoryViews()}return HEAPU8}function GROWABLE_HEAP_I16(){if(wasmMemory.buffer!=HEAP8.buffer){updateMemoryViews()}return HEAP16}function GROWABLE_HEAP_U16(){if(wasmMemory.buffer!=HEAP8.buffer){updateMemoryViews()}return HEAPU16}function GROWABLE_HEAP_I32(){if(wasmMemory.buffer!=HEAP8.buffer){updateMemoryViews()}return HEAP32}function GROWABLE_HEAP_U32(){if(wasmMemory.buffer!=HEAP8.buffer){updateMemoryViews()}return HEAPU32}function GROWABLE_HEAP_F32(){if(wasmMemory.buffer!=HEAP8.buffer){updateMemoryViews()}return HEAPF32}function GROWABLE_HEAP_F64(){if(wasmMemory.buffer!=HEAP8.buffer){updateMemoryViews()}return HEAPF64}var Module=moduleArg;var readyPromiseResolve,readyPromiseReject;var readyPromise=new Promise((resolve,reject)=>{readyPromiseResolve=resolve;readyPromiseReject=reject});var ENVIRONMENT_IS_WEB=false;var ENVIRONMENT_IS_WORKER=typeof importScripts=="function";var ENVIRONMENT_IS_NODE=true;var ENVIRONMENT_IS_PTHREAD=ENVIRONMENT_IS_WORKER&&self.name=="em-pthread";if(ENVIRONMENT_IS_NODE){var worker_threads=require("worker_threads");global.Worker=worker_threads.Worker;ENVIRONMENT_IS_WORKER=!worker_threads.isMainThread;ENVIRONMENT_IS_PTHREAD=ENVIRONMENT_IS_WORKER&&worker_threads["workerData"]=="em-pthread"}var moduleOverrides=Object.assign({},Module);var arguments_=[];var thisProgram="./this.program";var quit_=(status,toThrow)=>{throw toThrow};var scriptDirectory="";function locateFile(path){if(Module["locateFile"]){return Module["locateFile"](path,scriptDirectory)}return scriptDirectory+path}var readAsync,readBinary;if(ENVIRONMENT_IS_NODE){var fs=require("fs");var nodePath=require("path");if(!import.meta.url.startsWith("data:")){scriptDirectory=nodePath.dirname(require("url").fileURLToPath(import.meta.url))+"/"}readBinary=filename=>{filename=isFileURI(filename)?new URL(filename):nodePath.normalize(filename);var ret=fs.readFileSync(filename);return ret};readAsync=(filename,binary=true)=>{filename=isFileURI(filename)?new URL(filename):nodePath.normalize(filename);return new Promise((resolve,reject)=>{fs.readFile(filename,binary?undefined:"utf8",(err,data)=>{if(err)reject(err);else resolve(binary?data.buffer:data)})})};if(!Module["thisProgram"]&&process.argv.length>1){thisProgram=process.argv[1].replace(/\\/g,"/")}arguments_=process.argv.slice(2);quit_=(status,toThrow)=>{process.exitCode=status;throw toThrow}}else if(ENVIRONMENT_IS_WEB||ENVIRONMENT_IS_WORKER){if(ENVIRONMENT_IS_WORKER){scriptDirectory=self.location.href}else if(typeof document!="undefined"&&document.currentScript){scriptDirectory=document.currentScript.src}if(_scriptName){scriptDirectory=_scriptName}if(scriptDirectory.startsWith("blob:")){scriptDirectory=""}else{scriptDirectory=scriptDirectory.substr(0,scriptDirectory.replace(/[?#].*/,"").lastIndexOf("/")+1)}if(!ENVIRONMENT_IS_NODE){if(ENVIRONMENT_IS_WORKER){readBinary=url=>{var xhr=new XMLHttpRequest;xhr.open("GET",url,false);xhr.responseType="arraybuffer";xhr.send(null);return new Uint8Array(xhr.response)}}readAsync=url=>fetch(url,{credentials:"same-origin"}).then(response=>{if(response.ok){return response.arrayBuffer()}return Promise.reject(new Error(response.status+" : "+response.url))})}}else{}var defaultPrint=console.log.bind(console);var defaultPrintErr=console.error.bind(console);if(ENVIRONMENT_IS_NODE){defaultPrint=(...args)=>fs.writeSync(1,args.join(" ")+"\n");defaultPrintErr=(...args)=>fs.writeSync(2,args.join(" ")+"\n")}var out=Module["print"]||defaultPrint;var err=Module["printErr"]||defaultPrintErr;Object.assign(Module,moduleOverrides);moduleOverrides=null;if(Module["arguments"])arguments_=Module["arguments"];if(Module["thisProgram"])thisProgram=Module["thisProgram"];var wasmBinary=Module["wasmBinary"];var wasmMemory;var wasmModule;var ABORT=false;var EXITSTATUS;var HEAP8,HEAPU8,HEAP16,HEAPU16,HEAP32,HEAPU32,HEAPF32,HEAPF64;function updateMemoryViews(){var b=wasmMemory.buffer;Module["HEAP8"]=HEAP8=new Int8Array(b);Module["HEAP16"]=HEAP16=new Int16Array(b);Module["HEAPU8"]=HEAPU8=new Uint8Array(b);Module["HEAPU16"]=HEAPU16=new Uint16Array(b);Module["HEAP32"]=HEAP32=new Int32Array(b);Module["HEAPU32"]=HEAPU32=new Uint32Array(b);Module["HEAPF32"]=HEAPF32=new Float32Array(b);Module["HEAPF64"]=HEAPF64=new Float64Array(b)}if(ENVIRONMENT_IS_PTHREAD){var wasmPromiseResolve;var wasmPromiseReject;if(ENVIRONMENT_IS_NODE){var parentPort=worker_threads["parentPort"];parentPort.on("message",data=>onmessage({data}));Object.assign(globalThis,{self:global,importScripts:()=>{},postMessage:msg=>parentPort.postMessage(msg)})}var initializedJS=false;function threadPrintErr(...args){var text=args.join(" ");if(ENVIRONMENT_IS_NODE){fs.writeSync(2,text+"\n");return}console.error(text)}if(!Module["printErr"])err=threadPrintErr;function threadAlert(...args){var text=args.join(" ");postMessage({cmd:"alert",text,threadId:_pthread_self()})}self.alert=threadAlert;Module["instantiateWasm"]=(info,receiveInstance)=>new Promise((resolve,reject)=>{wasmPromiseResolve=module=>{var instance=new WebAssembly.Instance(module,getWasmImports());receiveInstance(instance);resolve()};wasmPromiseReject=reject});self.onunhandledrejection=e=>{throw e.reason||e};function handleMessage(e){try{var msgData=e["data"];var cmd=msgData.cmd;if(cmd==="load"){let messageQueue=[];self.onmessage=e=>messageQueue.push(e);self.startWorker=instance=>{postMessage({cmd:"loaded"});for(let msg of messageQueue){handleMessage(msg)}self.onmessage=handleMessage};for(const handler of msgData.handlers){if(!Module[handler]||Module[handler].proxy){Module[handler]=(...args)=>{postMessage({cmd:"callHandler",handler,args})};if(handler=="print")out=Module[handler];if(handler=="printErr")err=Module[handler]}}wasmMemory=msgData.wasmMemory;updateMemoryViews();wasmPromiseResolve(msgData.wasmModule)}else if(cmd==="run"){establishStackSpace(msgData.pthread_ptr);__emscripten_thread_init(msgData.pthread_ptr,0,0,1,0,0);PThread.receiveObjectTransfer(msgData);PThread.threadInitTLS();__emscripten_thread_mailbox_await(msgData.pthread_ptr);if(!initializedJS){__embind_initialize_bindings();initializedJS=true}try{invokeEntryPoint(msgData.start_routine,msgData.arg)}catch(ex){if(ex!="unwind"){throw ex}}}else if(msgData.target==="setimmediate"){}else if(cmd==="checkMailbox"){if(initializedJS){checkMailbox()}}else if(cmd){err(`worker: received unknown command ${cmd}`);err(msgData)}}catch(ex){__emscripten_thread_crashed();throw ex}}self.onmessage=handleMessage}if(!ENVIRONMENT_IS_PTHREAD){if(Module["wasmMemory"]){wasmMemory=Module["wasmMemory"]}else{var INITIAL_MEMORY=Module["INITIAL_MEMORY"]||16777216;wasmMemory=new WebAssembly.Memory({initial:INITIAL_MEMORY/65536,maximum:65536,shared:true});if(!(wasmMemory.buffer instanceof SharedArrayBuffer)){err("requested a shared WebAssembly.Memory but the returned buffer is not a SharedArrayBuffer, indicating that while the browser has SharedArrayBuffer it does not have WebAssembly threads support - you may need to set a flag");if(ENVIRONMENT_IS_NODE){err("(on node you may need: --experimental-wasm-threads --experimental-wasm-bulk-memory and/or recent version)")}throw Error("bad memory")}}updateMemoryViews()}var __ATPRERUN__=[];var __ATINIT__=[];var __ATPOSTRUN__=[];var runtimeInitialized=false;function preRun(){if(Module["preRun"]){if(typeof Module["preRun"]=="function")Module["preRun"]=[Module["preRun"]];while(Module["preRun"].length){addOnPreRun(Module["preRun"].shift())}}callRuntimeCallbacks(__ATPRERUN__)}function initRuntime(){runtimeInitialized=true;if(ENVIRONMENT_IS_PTHREAD)return;if(!Module["noFSInit"]&&!FS.initialized)FS.init();FS.ignorePermissions=false;TTY.init();callRuntimeCallbacks(__ATINIT__)}function postRun(){if(ENVIRONMENT_IS_PTHREAD)return;if(Module["postRun"]){if(typeof Module["postRun"]=="function")Module["postRun"]=[Module["postRun"]];while(Module["postRun"].length){addOnPostRun(Module["postRun"].shift())}}callRuntimeCallbacks(__ATPOSTRUN__)}function addOnPreRun(cb){__ATPRERUN__.unshift(cb)}function addOnInit(cb){__ATINIT__.unshift(cb)}function addOnPostRun(cb){__ATPOSTRUN__.unshift(cb)}var runDependencies=0;var runDependencyWatcher=null;var dependenciesFulfilled=null;function getUniqueRunDependency(id){return id}function addRunDependency(id){runDependencies++;Module["monitorRunDependencies"]?.(runDependencies)}function removeRunDependency(id){runDependencies--;Module["monitorRunDependencies"]?.(runDependencies);if(runDependencies==0){if(runDependencyWatcher!==null){clearInterval(runDependencyWatcher);runDependencyWatcher=null}if(dependenciesFulfilled){var callback=dependenciesFulfilled;dependenciesFulfilled=null;callback()}}}function abort(what){Module["onAbort"]?.(what);what="Aborted("+what+")";err(what);ABORT=true;what+=". Build with -sASSERTIONS for more info.";var e=new WebAssembly.RuntimeError(what);readyPromiseReject(e);throw e}var dataURIPrefix="data:application/octet-stream;base64,";var isDataURI=filename=>filename.startsWith(dataURIPrefix);var isFileURI=filename=>filename.startsWith("file://");function findWasmBinary(){if(Module["locateFile"]){var f="scran.wasm";if(!isDataURI(f)){return locateFile(f)}return f}return new URL("scran.wasm",import.meta.url).href}var wasmBinaryFile;function getBinarySync(file){if(file==wasmBinaryFile&&wasmBinary){return new Uint8Array(wasmBinary)}if(readBinary){return readBinary(file)}throw"both async and sync fetching of the wasm failed"}function getBinaryPromise(binaryFile){if(!wasmBinary){return readAsync(binaryFile).then(response=>new Uint8Array(response),()=>getBinarySync(binaryFile))}return Promise.resolve().then(()=>getBinarySync(binaryFile))}function instantiateArrayBuffer(binaryFile,imports,receiver){return getBinaryPromise(binaryFile).then(binary=>WebAssembly.instantiate(binary,imports)).then(receiver,reason=>{err(`failed to asynchronously prepare wasm: ${reason}`);abort(reason)})}function instantiateAsync(binary,binaryFile,imports,callback){if(!binary&&typeof WebAssembly.instantiateStreaming=="function"&&!isDataURI(binaryFile)&&!ENVIRONMENT_IS_NODE&&typeof fetch=="function"){return fetch(binaryFile,{credentials:"same-origin"}).then(response=>{var result=WebAssembly.instantiateStreaming(response,imports);return result.then(callback,function(reason){err(`wasm streaming compile failed: ${reason}`);err("falling back to ArrayBuffer instantiation");return instantiateArrayBuffer(binaryFile,imports,callback)})})}return instantiateArrayBuffer(binaryFile,imports,callback)}function getWasmImports(){assignWasmImports();return{a:wasmImports}}function createWasm(){var info=getWasmImports();function receiveInstance(instance,module){wasmExports=instance.exports;wasmExports=applySignatureConversions(wasmExports);registerTLSInit(wasmExports["Ba"]);wasmTable=wasmExports["xa"];addOnInit(wasmExports["ua"]);wasmModule=module;removeRunDependency("wasm-instantiate");return wasmExports}addRunDependency("wasm-instantiate");function receiveInstantiationResult(result){receiveInstance(result["instance"],result["module"])}if(Module["instantiateWasm"]){try{return Module["instantiateWasm"](info,receiveInstance)}catch(e){err(`Module.instantiateWasm callback failed with error: ${e}`);readyPromiseReject(e)}}wasmBinaryFile??=findWasmBinary();instantiateAsync(wasmBinary,wasmBinaryFile,info,receiveInstantiationResult).catch(readyPromiseReject);return{}}var tempDouble;var tempI64;function ExitStatus(status){this.name="ExitStatus";this.message=`Program terminated with exit(${status})`;this.status=status}var terminateWorker=worker=>{worker.terminate();worker.onmessage=e=>{}};var cleanupThread=pthread_ptr=>{var worker=PThread.pthreads[pthread_ptr];PThread.returnWorkerToPool(worker)};var spawnThread=threadParams=>{var worker=PThread.getNewWorker();if(!worker){return 6}PThread.runningWorkers.push(worker);PThread.pthreads[threadParams.pthread_ptr]=worker;worker.pthread_ptr=threadParams.pthread_ptr;var msg={cmd:"run",start_routine:threadParams.startRoutine,arg:threadParams.arg,pthread_ptr:threadParams.pthread_ptr};if(ENVIRONMENT_IS_NODE){worker.unref()}worker.postMessage(msg,threadParams.transferList);return 0};var runtimeKeepaliveCounter=0;var keepRuntimeAlive=()=>noExitRuntime||runtimeKeepaliveCounter>0;var stackSave=()=>_emscripten_stack_get_current();var stackRestore=val=>__emscripten_stack_restore(val);var stackAlloc=sz=>__emscripten_stack_alloc(sz);var convertI32PairToI53Checked=(lo,hi)=>hi+2097152>>>0<4194305-!!lo?(lo>>>0)+hi*4294967296:NaN;var proxyToMainThread=(funcIndex,emAsmAddr,sync,...callArgs)=>{var serializedNumCallArgs=callArgs.length;var sp=stackSave();var args=stackAlloc(serializedNumCallArgs*8);var b=args>>>3;for(var i=0;i<callArgs.length;i++){var arg=callArgs[i];GROWABLE_HEAP_F64()[b+i>>>0]=arg}var rtn=__emscripten_run_on_main_thread_js(funcIndex,emAsmAddr,serializedNumCallArgs,args,sync);stackRestore(sp);return rtn};function _proc_exit(code){if(ENVIRONMENT_IS_PTHREAD)return proxyToMainThread(0,0,1,code);EXITSTATUS=code;if(!keepRuntimeAlive()){PThread.terminateAllThreads();Module["onExit"]?.(code);ABORT=true}quit_(code,new ExitStatus(code))}var handleException=e=>{if(e instanceof ExitStatus||e=="unwind"){return EXITSTATUS}quit_(1,e)};function exitOnMainThread(returnCode){if(ENVIRONMENT_IS_PTHREAD)return proxyToMainThread(1,0,0,returnCode);_exit(returnCode)}var exitJS=(status,implicit)=>{EXITSTATUS=status;if(ENVIRONMENT_IS_PTHREAD){exitOnMainThread(status);throw"unwind"}_proc_exit(status)};var _exit=exitJS;var PThread={unusedWorkers:[],runningWorkers:[],tlsInitFunctions:[],pthreads:{},init(){if(!ENVIRONMENT_IS_PTHREAD){PThread.initMainThread()}},initMainThread(){var pthreadPoolSize=Module.scran_custom_nthreads;while(pthreadPoolSize--){PThread.allocateUnusedWorker()}addOnPreRun(()=>{addRunDependency("loading-workers");PThread.loadWasmModuleToAllWorkers(()=>removeRunDependency("loading-workers"))})},terminateAllThreads:()=>{for(var worker of PThread.runningWorkers){terminateWorker(worker)}for(var worker of PThread.unusedWorkers){terminateWorker(worker)}PThread.unusedWorkers=[];PThread.runningWorkers=[];PThread.pthreads=[]},returnWorkerToPool:worker=>{var pthread_ptr=worker.pthread_ptr;delete PThread.pthreads[pthread_ptr];PThread.unusedWorkers.push(worker);PThread.runningWorkers.splice(PThread.runningWorkers.indexOf(worker),1);worker.pthread_ptr=0;__emscripten_thread_free_data(pthread_ptr)},receiveObjectTransfer(data){},threadInitTLS(){PThread.tlsInitFunctions.forEach(f=>f())},loadWasmModuleToWorker:worker=>new Promise(onFinishedLoading=>{worker.onmessage=e=>{var d=e["data"];var cmd=d.cmd;if(d.targetThread&&d.targetThread!=_pthread_self()){var targetWorker=PThread.pthreads[d.targetThread];if(targetWorker){targetWorker.postMessage(d,d.transferList)}else{err(`Internal error! Worker sent a message "${cmd}" to target pthread ${d.targetThread}, but that thread no longer exists!`)}return}if(cmd==="checkMailbox"){checkMailbox()}else if(cmd==="spawnThread"){spawnThread(d)}else if(cmd==="cleanupThread"){cleanupThread(d.thread)}else if(cmd==="loaded"){worker.loaded=true;if(ENVIRONMENT_IS_NODE&&!worker.pthread_ptr){worker.unref()}onFinishedLoading(worker)}else if(cmd==="alert"){alert(`Thread ${d.threadId}: ${d.text}`)}else if(d.target==="setimmediate"){worker.postMessage(d)}else if(cmd==="callHandler"){Module[d.handler](...d.args)}else if(cmd){err(`worker sent an unknown command ${cmd}`)}};worker.onerror=e=>{var message="worker sent an error!";err(`${message} ${e.filename}:${e.lineno}: ${e.message}`);throw e};if(ENVIRONMENT_IS_NODE){worker.on("message",data=>worker.onmessage({data}));worker.on("error",e=>worker.onerror(e))}var handlers=[];var knownHandlers=["onExit","onAbort","print","printErr"];for(var handler of knownHandlers){if(Module.propertyIsEnumerable(handler)){handlers.push(handler)}}worker.postMessage({cmd:"load",handlers,wasmMemory,wasmModule})}),loadWasmModuleToAllWorkers(onMaybeReady){if(ENVIRONMENT_IS_PTHREAD){return onMaybeReady()}let pthreadPoolReady=Promise.all(PThread.unusedWorkers.map(PThread.loadWasmModuleToWorker));pthreadPoolReady.then(onMaybeReady)},allocateUnusedWorker(){var worker;var workerOptions={type:"module",workerData:"em-pthread",name:"em-pthread"};worker=new Worker(new URL("scran.js",import.meta.url),workerOptions);PThread.unusedWorkers.push(worker)},getNewWorker(){if(PThread.unusedWorkers.length==0){PThread.allocateUnusedWorker();PThread.loadWasmModuleToWorker(PThread.unusedWorkers[0])}return PThread.unusedWorkers.pop()}};var callRuntimeCallbacks=callbacks=>{while(callbacks.length>0){callbacks.shift()(Module)}};var establishStackSpace=pthread_ptr=>{updateMemoryViews();var stackHigh=GROWABLE_HEAP_U32()[pthread_ptr+52>>>2>>>0];var stackSize=GROWABLE_HEAP_U32()[pthread_ptr+56>>>2>>>0];var stackLow=stackHigh-stackSize;_emscripten_stack_set_limits(stackHigh,stackLow);stackRestore(stackHigh)};var wasmTableMirror=[];var wasmTable;var getWasmTableEntry=funcPtr=>{var func=wasmTableMirror[funcPtr];if(!func){if(funcPtr>=wasmTableMirror.length)wasmTableMirror.length=funcPtr+1;wasmTableMirror[funcPtr]=func=wasmTable.get(funcPtr)}return func};var invokeEntryPoint=(ptr,arg)=>{runtimeKeepaliveCounter=0;noExitRuntime=0;var result=getWasmTableEntry(ptr)(arg);function finish(result){if(keepRuntimeAlive()){EXITSTATUS=result}else{__emscripten_thread_exit(result)}}finish(result)};var noExitRuntime=Module["noExitRuntime"]||true;var registerTLSInit=tlsInitFunc=>PThread.tlsInitFunctions.push(tlsInitFunc);class ExceptionInfo{constructor(excPtr){this.excPtr=excPtr;this.ptr=excPtr-24}set_type(type){GROWABLE_HEAP_U32()[this.ptr+4>>>2>>>0]=type}get_type(){return GROWABLE_HEAP_U32()[this.ptr+4>>>2>>>0]}set_destructor(destructor){GROWABLE_HEAP_U32()[this.ptr+8>>>2>>>0]=destructor}get_destructor(){return GROWABLE_HEAP_U32()[this.ptr+8>>>2>>>0]}set_caught(caught){caught=caught?1:0;GROWABLE_HEAP_I8()[this.ptr+12>>>0]=caught}get_caught(){return GROWABLE_HEAP_I8()[this.ptr+12>>>0]!=0}set_rethrown(rethrown){rethrown=rethrown?1:0;GROWABLE_HEAP_I8()[this.ptr+13>>>0]=rethrown}get_rethrown(){return GROWABLE_HEAP_I8()[this.ptr+13>>>0]!=0}init(type,destructor){this.set_adjusted_ptr(0);this.set_type(type);this.set_destructor(destructor)}set_adjusted_ptr(adjustedPtr){GROWABLE_HEAP_U32()[this.ptr+16>>>2>>>0]=adjustedPtr}get_adjusted_ptr(){return GROWABLE_HEAP_U32()[this.ptr+16>>>2>>>0]}}var exceptionLast=0;var uncaughtExceptionCount=0;function ___cxa_throw(ptr,type,destructor){ptr>>>=0;type>>>=0;destructor>>>=0;var info=new ExceptionInfo(ptr);info.init(type,destructor);exceptionLast=ptr;uncaughtExceptionCount++;throw exceptionLast}function pthreadCreateProxied(pthread_ptr,attr,startRoutine,arg){if(ENVIRONMENT_IS_PTHREAD)return proxyToMainThread(2,0,1,pthread_ptr,attr,startRoutine,arg);return ___pthread_create_js(pthread_ptr,attr,startRoutine,arg)}function ___pthread_create_js(pthread_ptr,attr,startRoutine,arg){pthread_ptr>>>=0;attr>>>=0;startRoutine>>>=0;arg>>>=0;if(typeof SharedArrayBuffer=="undefined"){err("Current environment does not support SharedArrayBuffer, pthreads are not available!");return 6}var transferList=[];var error=0;if(ENVIRONMENT_IS_PTHREAD&&(transferList.length===0||error)){return pthreadCreateProxied(pthread_ptr,attr,startRoutine,arg)}if(error)return error;var threadParams={startRoutine,pthread_ptr,arg,transferList};if(ENVIRONMENT_IS_PTHREAD){threadParams.cmd="spawnThread";postMessage(threadParams,transferList);return 0}return spawnThread(threadParams)}var PATH={isAbs:path=>nodePath["isAbsolute"](path),normalize:path=>nodePath["normalize"](path),dirname:path=>nodePath["dirname"](path),basename:path=>nodePath["basename"](path),join:(...args)=>nodePath["join"](...args),join2:(l,r)=>nodePath["join"](l,r)};var initRandomFill=()=>{if(typeof crypto=="object"&&typeof crypto["getRandomValues"]=="function"){return view=>(view.set(crypto.getRandomValues(new Uint8Array(view.byteLength))),view)}else if(ENVIRONMENT_IS_NODE){try{var crypto_module=require("crypto");var randomFillSync=crypto_module["randomFillSync"];if(randomFillSync){return view=>crypto_module["randomFillSync"](view)}var randomBytes=crypto_module["randomBytes"];return view=>(view.set(randomBytes(view.byteLength)),view)}catch(e){}}abort("initRandomDevice")};var randomFill=view=>(randomFill=initRandomFill())(view);var PATH_FS={resolve:(...paths)=>{paths.unshift(FS.cwd());return nodePath["posix"]["resolve"](...paths)},relative:(from,to)=>nodePath["posix"]["relative"](from||FS.cwd(),to||FS.cwd())};var UTF8Decoder=typeof TextDecoder!="undefined"?new TextDecoder:undefined;var UTF8ArrayToString=(heapOrArray,idx,maxBytesToRead)=>{idx>>>=0;var endIdx=idx+maxBytesToRead;var endPtr=idx;while(heapOrArray[endPtr]&&!(endPtr>=endIdx))++endPtr;if(endPtr-idx>16&&heapOrArray.buffer&&UTF8Decoder){return UTF8Decoder.decode(heapOrArray.buffer instanceof SharedArrayBuffer?heapOrArray.slice(idx,endPtr):heapOrArray.subarray(idx,endPtr))}var str="";while(idx<endPtr){var u0=heapOrArray[idx++];if(!(u0&128)){str+=String.fromCharCode(u0);continue}var u1=heapOrArray[idx++]&63;if((u0&224)==192){str+=String.fromCharCode((u0&31)<<6|u1);continue}var u2=heapOrArray[idx++]&63;if((u0&240)==224){u0=(u0&15)<<12|u1<<6|u2}else{u0=(u0&7)<<18|u1<<12|u2<<6|heapOrArray[idx++]&63}if(u0<65536){str+=String.fromCharCode(u0)}else{var ch=u0-65536;str+=String.fromCharCode(55296|ch>>10,56320|ch&1023)}}return str};var FS_stdin_getChar_buffer=[];var lengthBytesUTF8=str=>{var len=0;for(var i=0;i<str.length;++i){var c=str.charCodeAt(i);if(c<=127){len++}else if(c<=2047){len+=2}else if(c>=55296&&c<=57343){len+=4;++i}else{len+=3}}return len};var stringToUTF8Array=(str,heap,outIdx,maxBytesToWrite)=>{outIdx>>>=0;if(!(maxBytesToWrite>0))return 0;var startIdx=outIdx;var endIdx=outIdx+maxBytesToWrite-1;for(var i=0;i<str.length;++i){var u=str.charCodeAt(i);if(u>=55296&&u<=57343){var u1=str.charCodeAt(++i);u=65536+((u&1023)<<10)|u1&1023}if(u<=127){if(outIdx>=endIdx)break;heap[outIdx++>>>0]=u}else if(u<=2047){if(outIdx+1>=endIdx)break;heap[outIdx++>>>0]=192|u>>6;heap[outIdx++>>>0]=128|u&63}else if(u<=65535){if(outIdx+2>=endIdx)break;heap[outIdx++>>>0]=224|u>>12;heap[outIdx++>>>0]=128|u>>6&63;heap[outIdx++>>>0]=128|u&63}else{if(outIdx+3>=endIdx)break;heap[outIdx++>>>0]=240|u>>18;heap[outIdx++>>>0]=128|u>>12&63;heap[outIdx++>>>0]=128|u>>6&63;heap[outIdx++>>>0]=128|u&63}}heap[outIdx>>>0]=0;return outIdx-startIdx};function intArrayFromString(stringy,dontAddNull,length){var len=length>0?length:lengthBytesUTF8(stringy)+1;var u8array=new Array(len);var numBytesWritten=stringToUTF8Array(stringy,u8array,0,u8array.length);if(dontAddNull)u8array.length=numBytesWritten;return u8array}var FS_stdin_getChar=()=>{if(!FS_stdin_getChar_buffer.length){var result=null;if(ENVIRONMENT_IS_NODE){var BUFSIZE=256;var buf=Buffer.alloc(BUFSIZE);var bytesRead=0;var fd=process.stdin.fd;try{bytesRead=fs.readSync(fd,buf,0,BUFSIZE)}catch(e){if(e.toString().includes("EOF"))bytesRead=0;else throw e}if(bytesRead>0){result=buf.slice(0,bytesRead).toString("utf-8")}}else{}if(!result){return null}FS_stdin_getChar_buffer=intArrayFromString(result,true)}return FS_stdin_getChar_buffer.shift()};var TTY={ttys:[],init(){},shutdown(){},register(dev,ops){TTY.ttys[dev]={input:[],output:[],ops};FS.registerDevice(dev,TTY.stream_ops)},stream_ops:{open(stream){var tty=TTY.ttys[stream.node.rdev];if(!tty){throw new FS.ErrnoError(43)}stream.tty=tty;stream.seekable=false},close(stream){stream.tty.ops.fsync(stream.tty)},fsync(stream){stream.tty.ops.fsync(stream.tty)},read(stream,buffer,offset,length,pos){if(!stream.tty||!stream.tty.ops.get_char){throw new FS.ErrnoError(60)}var bytesRead=0;for(var i=0;i<length;i++){var result;try{result=stream.tty.ops.get_char(stream.tty)}catch(e){throw new FS.ErrnoError(29)}if(result===undefined&&bytesRead===0){throw new FS.ErrnoError(6)}if(result===null||result===undefined)break;bytesRead++;buffer[offset+i]=result}if(bytesRead){stream.node.timestamp=Date.now()}return bytesRead},write(stream,buffer,offset,length,pos){if(!stream.tty||!stream.tty.ops.put_char){throw new FS.ErrnoError(60)}try{for(var i=0;i<length;i++){stream.tty.ops.put_char(stream.tty,buffer[offset+i])}}catch(e){throw new FS.ErrnoError(29)}if(length){stream.node.timestamp=Date.now()}return i}},default_tty_ops:{get_char(tty){return FS_stdin_getChar()},put_char(tty,val){if(val===null||val===10){out(UTF8ArrayToString(tty.output,0));tty.output=[]}else{if(val!=0)tty.output.push(val)}},fsync(tty){if(tty.output&&tty.output.length>0){out(UTF8ArrayToString(tty.output,0));tty.output=[]}},ioctl_tcgets(tty){return{c_iflag:25856,c_oflag:5,c_cflag:191,c_lflag:35387,c_cc:[3,28,127,21,4,0,1,0,17,19,26,0,18,15,23,22,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]}},ioctl_tcsets(tty,optional_actions,data){return 0},ioctl_tiocgwinsz(tty){return[24,80]}},default_tty1_ops:{put_char(tty,val){if(val===null||val===10){err(UTF8ArrayToString(tty.output,0));tty.output=[]}else{if(val!=0)tty.output.push(val)}},fsync(tty){if(tty.output&&tty.output.length>0){err(UTF8ArrayToString(tty.output,0));tty.output=[]}}}};var zeroMemory=(address,size)=>{GROWABLE_HEAP_U8().fill(0,address,address+size);return address};var alignMemory=(size,alignment)=>Math.ceil(size/alignment)*alignment;var mmapAlloc=size=>{size=alignMemory(size,65536);var ptr=_emscripten_builtin_memalign(65536,size);if(!ptr)return 0;return zeroMemory(ptr,size)};var MEMFS={ops_table:null,mount(mount){return MEMFS.createNode(null,"/",16384|511,0)},createNode(parent,name,mode,dev){if(FS.isBlkdev(mode)||FS.isFIFO(mode)){throw new FS.ErrnoError(63)}MEMFS.ops_table||={dir:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr,lookup:MEMFS.node_ops.lookup,mknod:MEMFS.node_ops.mknod,rename:MEMFS.node_ops.rename,unlink:MEMFS.node_ops.unlink,rmdir:MEMFS.node_ops.rmdir,readdir:MEMFS.node_ops.readdir,symlink:MEMFS.node_ops.symlink},stream:{llseek:MEMFS.stream_ops.llseek}},file:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr},stream:{llseek:MEMFS.stream_ops.llseek,read:MEMFS.stream_ops.read,write:MEMFS.stream_ops.write,allocate:MEMFS.stream_ops.allocate,mmap:MEMFS.stream_ops.mmap,msync:MEMFS.stream_ops.msync}},link:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr,readlink:MEMFS.node_ops.readlink},stream:{}},chrdev:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr},stream:FS.chrdev_stream_ops}};var node=FS.createNode(parent,name,mode,dev);if(FS.isDir(node.mode)){node.node_ops=MEMFS.ops_table.dir.node;node.stream_ops=MEMFS.ops_table.dir.stream;node.contents={}}else if(FS.isFile(node.mode)){node.node_ops=MEMFS.ops_table.file.node;node.stream_ops=MEMFS.ops_table.file.stream;node.usedBytes=0;node.contents=null}else if(FS.isLink(node.mode)){node.node_ops=MEMFS.ops_table.link.node;node.stream_ops=MEMFS.ops_table.link.stream}else if(FS.isChrdev(node.mode)){node.node_ops=MEMFS.ops_table.chrdev.node;node.stream_ops=MEMFS.ops_table.chrdev.stream}node.timestamp=Date.now();if(parent){parent.contents[name]=node;parent.timestamp=node.timestamp}return node},getFileDataAsTypedArray(node){if(!node.contents)return new Uint8Array(0);if(node.contents.subarray)return node.contents.subarray(0,node.usedBytes);return new Uint8Array(node.contents)},expandFileStorage(node,newCapacity){var prevCapacity=node.contents?node.contents.length:0;if(prevCapacity>=newCapacity)return;var CAPACITY_DOUBLING_MAX=1024*1024;newCapacity=Math.max(newCapacity,prevCapacity*(prevCapacity<CAPACITY_DOUBLING_MAX?2:1.125)>>>0);if(prevCapacity!=0)newCapacity=Math.max(newCapacity,256);var oldContents=node.contents;node.contents=new Uint8Array(newCapacity);if(node.usedBytes>0)node.contents.set(oldContents.subarray(0,node.usedBytes),0)},resizeFileStorage(node,newSize){if(node.usedBytes==newSize)return;if(newSize==0){node.contents=null;node.usedBytes=0}else{var oldContents=node.contents;node.contents=new Uint8Array(newSize);if(oldContents){node.contents.set(oldContents.subarray(0,Math.min(newSize,node.usedBytes)))}node.usedBytes=newSize}},node_ops:{getattr(node){var attr={};attr.dev=FS.isChrdev(node.mode)?node.id:1;attr.ino=node.id;attr.mode=node.mode;attr.nlink=1;attr.uid=0;attr.gid=0;attr.rdev=node.rdev;if(FS.isDir(node.mode)){attr.size=4096}else if(FS.isFile(node.mode)){attr.size=node.usedBytes}else if(FS.isLink(node.mode)){attr.size=node.link.length}else{attr.size=0}attr.atime=new Date(node.timestamp);attr.mtime=new Date(node.timestamp);attr.ctime=new Date(node.timestamp);attr.blksize=4096;attr.blocks=Math.ceil(attr.size/attr.blksize);return attr},setattr(node,attr){if(attr.mode!==undefined){node.mode=attr.mode}if(attr.timestamp!==undefined){node.timestamp=attr.timestamp}if(attr.size!==undefined){MEMFS.resizeFileStorage(node,attr.size)}},lookup(parent,name){throw FS.genericErrors[44]},mknod(parent,name,mode,dev){return MEMFS.createNode(parent,name,mode,dev)},rename(old_node,new_dir,new_name){if(FS.isDir(old_node.mode)){var new_node;try{new_node=FS.lookupNode(new_dir,new_name)}catch(e){}if(new_node){for(var i in new_node.contents){throw new FS.ErrnoError(55)}}}delete old_node.parent.contents[old_node.name];old_node.parent.timestamp=Date.now();old_node.name=new_name;new_dir.contents[new_name]=old_node;new_dir.timestamp=old_node.parent.timestamp},unlink(parent,name){delete parent.contents[name];parent.timestamp=Date.now()},rmdir(parent,name){var node=FS.lookupNode(parent,name);for(var i in node.contents){throw new FS.ErrnoError(55)}delete parent.contents[name];parent.timestamp=Date.now()},readdir(node){var entries=[".",".."];for(var key of Object.keys(node.contents)){entries.push(key)}return entries},symlink(parent,newname,oldpath){var node=MEMFS.createNode(parent,newname,511|40960,0);node.link=oldpath;return node},readlink(node){if(!FS.isLink(node.mode)){throw new FS.ErrnoError(28)}return node.link}},stream_ops:{read(stream,buffer,offset,length,position){var contents=stream.node.contents;if(position>=stream.node.usedBytes)return 0;var size=Math.min(stream.node.usedBytes-position,length);if(size>8&&contents.subarray){buffer.set(contents.subarray(position,position+size),offset)}else{for(var i=0;i<size;i++)buffer[offset+i]=contents[position+i]}return size},write(stream,buffer,offset,length,position,canOwn){if(buffer.buffer===GROWABLE_HEAP_I8().buffer){canOwn=false}if(!length)return 0;var node=stream.node;node.timestamp=Date.now();if(buffer.subarray&&(!node.contents||node.contents.subarray)){if(canOwn){node.contents=buffer.subarray(offset,offset+length);node.usedBytes=length;return length}else if(node.usedBytes===0&&position===0){node.contents=buffer.slice(offset,offset+length);node.usedBytes=length;return length}else if(position+length<=node.usedBytes){node.contents.set(buffer.subarray(offset,offset+length),position);return length}}MEMFS.expandFileStorage(node,position+length);if(node.contents.subarray&&buffer.subarray){node.contents.set(buffer.subarray(offset,offset+length),position)}else{for(var i=0;i<length;i++){node.contents[position+i]=buffer[offset+i]}}node.usedBytes=Math.max(node.usedBytes,position+length);return length},llseek(stream,offset,whence){var position=offset;if(whence===1){position+=stream.position}else if(whence===2){if(FS.isFile(stream.node.mode)){position+=stream.node.usedBytes}}if(position<0){throw new FS.ErrnoError(28)}return position},allocate(stream,offset,length){MEMFS.expandFileStorage(stream.node,offset+length);stream.node.usedBytes=Math.max(stream.node.usedBytes,offset+length)},mmap(stream,length,position,prot,flags){if(!FS.isFile(stream.node.mode)){throw new FS.ErrnoError(43)}var ptr;var allocated;var contents=stream.node.contents;if(!(flags&2)&&contents&&contents.buffer===GROWABLE_HEAP_I8().buffer){allocated=false;ptr=contents.byteOffset}else{allocated=true;ptr=mmapAlloc(length);if(!ptr){throw new FS.ErrnoError(48)}if(contents){if(position>0||position+length<contents.length){if(contents.subarray){contents=contents.subarray(position,position+length)}else{contents=Array.prototype.slice.call(contents,position,position+length)}}GROWABLE_HEAP_I8().set(contents,ptr>>>0)}}return{ptr,allocated}},msync(stream,buffer,offset,length,mmapFlags){MEMFS.stream_ops.write(stream,buffer,0,length,offset,false);return 0}}};var asyncLoad=(url,onload,onerror,noRunDep)=>{var dep=!noRunDep?getUniqueRunDependency(`al ${url}`):"";readAsync(url).then(arrayBuffer=>{onload(new Uint8Array(arrayBuffer));if(dep)removeRunDependency(dep)},err=>{if(onerror){onerror()}else{throw`Loading data file "${url}" failed.`}});if(dep)addRunDependency(dep)};var FS_createDataFile=(parent,name,fileData,canRead,canWrite,canOwn)=>{FS.createDataFile(parent,name,fileData,canRead,canWrite,canOwn)};var preloadPlugins=Module["preloadPlugins"]||[];var FS_handledByPreloadPlugin=(byteArray,fullname,finish,onerror)=>{if(typeof Browser!="undefined")Browser.init();var handled=false;preloadPlugins.forEach(plugin=>{if(handled)return;if(plugin["canHandle"](fullname)){plugin["handle"](byteArray,fullname,finish,onerror);handled=true}});return handled};var FS_createPreloadedFile=(parent,name,url,canRead,canWrite,onload,onerror,dontCreateFile,canOwn,preFinish)=>{var fullname=name?PATH_FS.resolve(PATH.join2(parent,name)):parent;var dep=getUniqueRunDependency(`cp ${fullname}`);function processData(byteArray){function finish(byteArray){preFinish?.();if(!dontCreateFile){FS_createDataFile(parent,name,byteArray,canRead,canWrite,canOwn)}onload?.();removeRunDependency(dep)}if(FS_handledByPreloadPlugin(byteArray,fullname,finish,()=>{onerror?.();removeRunDependency(dep)})){return}finish(byteArray)}addRunDependency(dep);if(typeof url=="string"){asyncLoad(url,processData,onerror)}else{processData(url)}};var FS_modeStringToFlags=str=>{var flagModes={r:0,"r+":2,w:512|64|1,"w+":512|64|2,a:1024|64|1,"a+":1024|64|2};var flags=flagModes[str];if(typeof flags=="undefined"){throw new Error(`Unknown file open mode: ${str}`)}return flags};var FS_getMode=(canRead,canWrite)=>{var mode=0;if(canRead)mode|=292|73;if(canWrite)mode|=146;return mode};var ERRNO_CODES={EPERM:63,ENOENT:44,ESRCH:71,EINTR:27,EIO:29,ENXIO:60,E2BIG:1,ENOEXEC:45,EBADF:8,ECHILD:12,EAGAIN:6,EWOULDBLOCK:6,ENOMEM:48,EACCES:2,EFAULT:21,ENOTBLK:105,EBUSY:10,EEXIST:20,EXDEV:75,ENODEV:43,ENOTDIR:54,EISDIR:31,EINVAL:28,ENFILE:41,EMFILE:33,ENOTTY:59,ETXTBSY:74,EFBIG:22,ENOSPC:51,ESPIPE:70,EROFS:69,EMLINK:34,EPIPE:64,EDOM:18,ERANGE:68,ENOMSG:49,EIDRM:24,ECHRNG:106,EL2NSYNC:156,EL3HLT:107,EL3RST:108,ELNRNG:109,EUNATCH:110,ENOCSI:111,EL2HLT:112,EDEADLK:16,ENOLCK:46,EBADE:113,EBADR:114,EXFULL:115,ENOANO:104,EBADRQC:103,EBADSLT:102,EDEADLOCK:16,EBFONT:101,ENOSTR:100,ENODATA:116,ETIME:117,ENOSR:118,ENONET:119,ENOPKG:120,EREMOTE:121,ENOLINK:47,EADV:122,ESRMNT:123,ECOMM:124,EPROTO:65,EMULTIHOP:36,EDOTDOT:125,EBADMSG:9,ENOTUNIQ:126,EBADFD:127,EREMCHG:128,ELIBACC:129,ELIBBAD:130,ELIBSCN:131,ELIBMAX:132,ELIBEXEC:133,ENOSYS:52,ENOTEMPTY:55,ENAMETOOLONG:37,ELOOP:32,EOPNOTSUPP:138,EPFNOSUPPORT:139,ECONNRESET:15,ENOBUFS:42,EAFNOSUPPORT:5,EPROTOTYPE:67,ENOTSOCK:57,ENOPROTOOPT:50,ESHUTDOWN:140,ECONNREFUSED:14,EADDRINUSE:3,ECONNABORTED:13,ENETUNREACH:40,ENETDOWN:38,ETIMEDOUT:73,EHOSTDOWN:142,EHOSTUNREACH:23,EINPROGRESS:26,EALREADY:7,EDESTADDRREQ:17,EMSGSIZE:35,EPROTONOSUPPORT:66,ESOCKTNOSUPPORT:137,EADDRNOTAVAIL:4,ENETRESET:39,EISCONN:30,ENOTCONN:53,ETOOMANYREFS:141,EUSERS:136,EDQUOT:19,ESTALE:72,ENOTSUP:138,ENOMEDIUM:148,EILSEQ:25,EOVERFLOW:61,ECANCELED:11,ENOTRECOVERABLE:56,EOWNERDEAD:62,ESTRPIPE:135};var NODEFS={isWindows:false,staticInit(){NODEFS.isWindows=!!process.platform.match(/^win/);var flags=process.binding("constants");if(flags["fs"]){flags=flags["fs"]}NODEFS.flagsForNodeMap={1024:flags["O_APPEND"],64:flags["O_CREAT"],128:flags["O_EXCL"],256:flags["O_NOCTTY"],0:flags["O_RDONLY"],2:flags["O_RDWR"],4096:flags["O_SYNC"],512:flags["O_TRUNC"],1:flags["O_WRONLY"],131072:flags["O_NOFOLLOW"]}},convertNodeCode(e){var code=e.code;return ERRNO_CODES[code]},tryFSOperation(f){try{return f()}catch(e){if(!e.code)throw e;if(e.code==="UNKNOWN")throw new FS.ErrnoError(28);throw new FS.ErrnoError(NODEFS.convertNodeCode(e))}},mount(mount){return NODEFS.createNode(null,"/",NODEFS.getMode(mount.opts.root),0)},createNode(parent,name,mode,dev){if(!FS.isDir(mode)&&!FS.isFile(mode)&&!FS.isLink(mode)){throw new FS.ErrnoError(28)}var node=FS.createNode(parent,name,mode);node.node_ops=NODEFS.node_ops;node.stream_ops=NODEFS.stream_ops;return node},getMode(path){var stat;return NODEFS.tryFSOperation(()=>{stat=fs.lstatSync(path);if(NODEFS.isWindows){stat.mode|=(stat.mode&292)>>2}return stat.mode})},realPath(node){var parts=[];while(node.parent!==node){parts.push(node.name);node=node.parent}parts.push(node.mount.opts.root);parts.reverse();return PATH.join(...parts)},flagsForNode(flags){flags&=~2097152;flags&=~2048;flags&=~32768;flags&=~524288;flags&=~65536;var newFlags=0;for(var k in NODEFS.flagsForNodeMap){if(flags&k){newFlags|=NODEFS.flagsForNodeMap[k];flags^=k}}if(flags){throw new FS.ErrnoError(28)}return newFlags},node_ops:{getattr(node){var path=NODEFS.realPath(node);var stat;NODEFS.tryFSOperation(()=>stat=fs.lstatSync(path));if(NODEFS.isWindows){if(!stat.blksize){stat.blksize=4096}if(!stat.blocks){stat.blocks=(stat.size+stat.blksize-1)/stat.blksize|0}stat.mode|=(stat.mode&292)>>2}return{dev:stat.dev,ino:stat.ino,mode:stat.mode,nlink:stat.nlink,uid:stat.uid,gid:stat.gid,rdev:stat.rdev,size:stat.size,atime:stat.atime,mtime:stat.mtime,ctime:stat.ctime,blksize:stat.blksize,blocks:stat.blocks}},setattr(node,attr){var path=NODEFS.realPath(node);NODEFS.tryFSOperation(()=>{if(attr.mode!==undefined){fs.chmodSync(path,attr.mode);node.mode=attr.mode}if(attr.timestamp!==undefined){var date=new Date(attr.timestamp);fs.utimesSync(path,date,date)}if(attr.size!==undefined){fs.truncateSync(path,attr.size)}})},lookup(parent,name){var path=PATH.join2(NODEFS.realPath(parent),name);var mode=NODEFS.getMode(path);return NODEFS.createNode(parent,name,mode)},mknod(parent,name,mode,dev){var node=NODEFS.createNode(parent,name,mode,dev);var path=NODEFS.realPath(node);NODEFS.tryFSOperation(()=>{if(FS.isDir(node.mode)){fs.mkdirSync(path,node.mode)}else{fs.writeFileSync(path,"",{mode:node.mode})}});return node},rename(oldNode,newDir,newName){var oldPath=NODEFS.realPath(oldNode);var newPath=PATH.join2(NODEFS.realPath(newDir),newName);NODEFS.tryFSOperation(()=>fs.renameSync(oldPath,newPath));oldNode.name=newName},unlink(parent,name){var path=PATH.join2(NODEFS.realPath(parent),name);NODEFS.tryFSOperation(()=>fs.unlinkSync(path))},rmdir(parent,name){var path=PATH.join2(NODEFS.realPath(parent),name);NODEFS.tryFSOperation(()=>fs.rmdirSync(path))},readdir(node){var path=NODEFS.realPath(node);return NODEFS.tryFSOperation(()=>fs.readdirSync(path))},symlink(parent,newName,oldPath){var newPath=PATH.join2(NODEFS.realPath(parent),newName);NODEFS.tryFSOperation(()=>fs.symlinkSync(oldPath,newPath))},readlink(node){var path=NODEFS.realPath(node);return NODEFS.tryFSOperation(()=>fs.readlinkSync(path))}},stream_ops:{open(stream){var path=NODEFS.realPath(stream.node);NODEFS.tryFSOperation(()=>{if(FS.isFile(stream.node.mode)){stream.shared.refcount=1;stream.nfd=fs.openSync(path,NODEFS.flagsForNode(stream.flags))}})},close(stream){NODEFS.tryFSOperation(()=>{if(FS.isFile(stream.node.mode)&&stream.nfd&&--stream.shared.refcount===0){fs.closeSync(stream.nfd)}})},dup(stream){stream.shared.refcount++},read(stream,buffer,offset,length,position){if(length===0)return 0;return NODEFS.tryFSOperation(()=>fs.readSync(stream.nfd,new Int8Array(buffer.buffer,offset,length),0,length,position))},write(stream,buffer,offset,length,position){return NODEFS.tryFSOperation(()=>fs.writeSync(stream.nfd,new Int8Array(buffer.buffer,offset,length),0,length,position))},llseek(stream,offset,whence){var position=offset;if(whence===1){position+=stream.position}else if(whence===2){if(FS.isFile(stream.node.mode)){NODEFS.tryFSOperation(()=>{var stat=fs.fstatSync(stream.nfd);position+=stat.size})}}if(position<0){throw new FS.ErrnoError(28)}return position},mmap(stream,length,position,prot,flags){if(!FS.isFile(stream.node.mode)){throw new FS.ErrnoError(43)}var ptr=mmapAlloc(length);NODEFS.stream_ops.read(stream,GROWABLE_HEAP_I8(),ptr,length,position);return{ptr,allocated:true}},msync(stream,buffer,offset,length,mmapFlags){NODEFS.stream_ops.write(stream,buffer,0,length,offset,false);return 0}}};var NODERAWFS={lookup(parent,name){return FS.lookupPath(`${parent.path}/${name}`).node},lookupPath(path,opts={}){if(opts.parent){path=nodePath.dirname(path)}var st=fs.lstatSync(path);var mode=NODEFS.getMode(path);return{path,node:{id:st.ino,mode,node_ops:NODERAWFS,path}}},createStandardStreams(){FS.createStream({nfd:0,position:0,path:"",flags:0,tty:true,seekable:false},0);for(var i=1;i<3;i++){FS.createStream({nfd:i,position:0,path:"",flags:577,tty:true,seekable:false},i)}},cwd(){return process.cwd()},chdir(...args){process.chdir(...args)},mknod(path,mode){if(FS.isDir(path)){fs.mkdirSync(path,mode)}else{fs.writeFileSync(path,"",{mode})}},mkdir(...args){fs.mkdirSync(...args)},symlink(...args){fs.symlinkSync(...args)},rename(...args){fs.renameSync(...args)},rmdir(...args){fs.rmdirSync(...args)},readdir(...args){return[".",".."].concat(fs.readdirSync(...args))},unlink(...args){fs.unlinkSync(...args)},readlink(...args){return fs.readlinkSync(...args)},stat(...args){return fs.statSync(...args)},lstat(...args){return fs.lstatSync(...args)},chmod(...args){fs.chmodSync(...args)},fchmod(fd,mode){var stream=FS.getStreamChecked(fd);fs.fchmodSync(stream.nfd,mode)},chown(...args){fs.chownSync(...args)},fchown(fd,owner,group){var stream=FS.getStreamChecked(fd);fs.fchownSync(stream.nfd,owner,group)},truncate(...args){fs.truncateSync(...args)},ftruncate(fd,len){if(len<0){throw new FS.ErrnoError(28)}var stream=FS.getStreamChecked(fd);fs.ftruncateSync(stream.nfd,len)},utime(path,atime,mtime){fs.utimesSync(path,atime/1e3,mtime/1e3)},open(path,flags,mode){if(typeof flags=="string"){flags=FS_modeStringToFlags(flags)}var pathTruncated=path.split("/").map(s=>s.substr(0,255)).join("/");var nfd=fs.openSync(pathTruncated,NODEFS.flagsForNode(flags),mode);var st=fs.fstatSync(nfd);if(flags&65536&&!st.isDirectory()){fs.closeSync(nfd);throw new FS.ErrnoError(ERRNO_CODES.ENOTDIR)}var newMode=NODEFS.getMode(pathTruncated);var node={id:st.ino,mode:newMode,node_ops:NODERAWFS,path};return FS.createStream({nfd,position:0,path,flags,node,seekable:true})},createStream(stream,fd){var rtn=VFS.createStream(stream,fd);if(typeof rtn.shared.refcnt=="undefined"){rtn.shared.refcnt=1}else{rtn.shared.refcnt++}return rtn},close(stream){VFS.closeStream(stream.fd);if(!stream.stream_ops&&--stream.shared.refcnt===0){fs.closeSync(stream.nfd)}},llseek(stream,offset,whence){if(stream.stream_ops){return VFS.llseek(stream,offset,whence)}var position=offset;if(whence===1){position+=stream.position}else if(whence===2){position+=fs.fstatSync(stream.nfd).size}else if(whence!==0){throw new FS.ErrnoError(28)}if(position<0){throw new FS.ErrnoError(28)}stream.position=position;return position},read(stream,buffer,offset,length,position){if(stream.stream_ops){return VFS.read(stream,buffer,offset,length,position)}var seeking=typeof position!="undefined";if(!seeking&&stream.seekable)position=stream.position;var bytesRead=fs.readSync(stream.nfd,new Int8Array(buffer.buffer,offset,length),0,length,position);if(!seeking)stream.position+=bytesRead;return bytesRead},write(stream,buffer,offset,length,position){if(stream.stream_ops){return VFS.write(stream,buffer,offset,length,position)}if(stream.flags&+"1024"){FS.llseek(stream,0,+"2")}var seeking=typeof position!="undefined";if(!seeking&&stream.seekable)position=stream.position;var bytesWritten=fs.writeSync(stream.nfd,new Int8Array(buffer.buffer,offset,length),0,length,position);if(!seeking)stream.position+=bytesWritten;return bytesWritten},allocate(){throw new FS.ErrnoError(138)},mmap(stream,length,position,prot,flags){if(!length){throw new FS.ErrnoError(28)}if(stream.stream_ops){return VFS.mmap(stream,length,position,prot,flags)}var ptr=mmapAlloc(length);FS.read(stream,GROWABLE_HEAP_I8(),ptr,length,position);return{ptr,allocated:true}},msync(stream,buffer,offset,length,mmapFlags){if(stream.stream_ops){return VFS.msync(stream,buffer,offset,length,mmapFlags)}FS.write(stream,buffer,0,length,offset);return 0},ioctl(){throw new FS.ErrnoError(59)}};var FS={root:null,mounts:[],devices:{},streams:[],nextInode:1,nameTable:null,currentPath:"/",initialized:false,ignorePermissions:true,ErrnoError:class{constructor(errno){this.name="ErrnoError";this.errno=errno}},genericErrors:{},filesystems:null,syncFSRequests:0,readFiles:{},FSStream:class{constructor(){this.shared={}}get object(){return this.node}set object(val){this.node=val}get isRead(){return(this.flags&2097155)!==1}get isWrite(){return(this.flags&2097155)!==0}get isAppend(){return this.flags&1024}get flags(){return this.shared.flags}set flags(val){this.shared.flags=val}get position(){return this.shared.position}set position(val){this.shared.position=val}},FSNode:class{constructor(parent,name,mode,rdev){if(!parent){parent=this}this.parent=parent;this.mount=parent.mount;this.mounted=null;this.id=FS.nextInode++;this.name=name;this.mode=mode;this.node_ops={};this.stream_ops={};this.rdev=rdev;this.readMode=292|73;this.writeMode=146}get read(){return(this.mode&this.readMode)===this.readMode}set read(val){val?this.mode|=this.readMode:this.mode&=~this.readMode}get write(){return(this.mode&this.writeMode)===this.writeMode}set write(val){val?this.mode|=this.writeMode:this.mode&=~this.writeMode}get isFolder(){return FS.isDir(this.mode)}get isDevice(){return FS.isChrdev(this.mode)}},lookupPath(path,opts={}){path=PATH_FS.resolve(path);if(!path)return{path:"",node:null};var defaults={follow_mount:true,recurse_count:0};opts=Object.assign(defaults,opts);if(opts.recurse_count>8){throw new FS.ErrnoError(32)}var parts=path.split("/").filter(p=>!!p);var current=FS.root;var current_path="/";for(var i=0;i<parts.length;i++){var islast=i===parts.length-1;if(islast&&opts.parent){break}current=FS.lookupNode(current,parts[i]);current_path=PATH.join2(current_path,parts[i]);if(FS.isMountpoint(current)){if(!islast||islast&&opts.follow_mount){current=current.mounted.root}}if(!islast||opts.follow){var count=0;while(FS.isLink(current.mode)){var link=FS.readlink(current_path);current_path=PATH_FS.resolve(PATH.dirname(current_path),link);var lookup=FS.lookupPath(current_path,{recurse_count:opts.recurse_count+1});current=lookup.node;if(count++>40){throw new FS.ErrnoError(32)}}}}return{path:current_path,node:current}},getPath(node){var path;while(true){if(FS.isRoot(node)){var mount=node.mount.mountpoint;if(!path)return mount;return mount[mount.length-1]!=="/"?`${mount}/${path}`:mount+path}path=path?`${node.name}/${path}`:node.name;node=node.parent}},hashName(parentid,name){var hash=0;for(var i=0;i<name.length;i++){hash=(hash<<5)-hash+name.charCodeAt(i)|0}return(parentid+hash>>>0)%FS.nameTable.length},hashAddNode(node){var hash=FS.hashName(node.parent.id,node.name);node.name_next=FS.nameTable[hash];FS.nameTable[hash]=node},hashRemoveNode(node){var hash=FS.hashName(node.parent.id,node.name);if(FS.nameTable[hash]===node){FS.nameTable[hash]=node.name_next}else{var current=FS.nameTable[hash];while(current){if(current.name_next===node){current.name_next=node.name_next;break}current=current.name_next}}},lookupNode(parent,name){var errCode=FS.mayLookup(parent);if(errCode){throw new FS.ErrnoError(errCode)}var hash=FS.hashName(parent.id,name);for(var node=FS.nameTable[hash];node;node=node.name_next){var nodeName=node.name;if(node.parent.id===parent.id&&nodeName===name){return node}}return FS.lookup(parent,name)},createNode(parent,name,mode,rdev){var node=new FS.FSNode(parent,name,mode,rdev);FS.hashAddNode(node);return node},destroyNode(node){FS.hashRemoveNode(node)},isRoot(node){return node===node.parent},isMountpoint(node){return!!node.mounted},isFile(mode){return(mode&61440)===32768},isDir(mode){return(mode&61440)===16384},isLink(mode){return(mode&61440)===40960},isChrdev(mode){return(mode&61440)===8192},isBlkdev(mode){return(mode&61440)===24576},isFIFO(mode){return(mode&61440)===4096},isSocket(mode){return(mode&49152)===49152},flagsToPermissionString(flag){var perms=["r","w","rw"][flag&3];if(flag&512){perms+="w"}return perms},nodePermissions(node,perms){if(FS.ignorePermissions){return 0}if(perms.includes("r")&&!(node.mode&292)){return 2}else if(perms.includes("w")&&!(node.mode&146)){return 2}else if(perms.includes("x")&&!(node.mode&73)){return 2}return 0},mayLookup(dir){if(!FS.isDir(dir.mode))return 54;var errCode=FS.nodePermissions(dir,"x");if(errCode)return errCode;if(!dir.node_ops.lookup)return 2;return 0},mayCreate(dir,name){try{var node=FS.lookupNode(dir,name);return 20}catch(e){}return FS.nodePermissions(dir,"wx")},mayDelete(dir,name,isdir){var node;try{node=FS.lookupNode(dir,name)}catch(e){return e.errno}var errCode=FS.nodePermissions(dir,"wx");if(errCode){return errCode}if(isdir){if(!FS.isDir(node.mode)){return 54}if(FS.isRoot(node)||FS.getPath(node)===FS.cwd()){return 10}}else{if(FS.isDir(node.mode)){return 31}}return 0},mayOpen(node,flags){if(!node){return 44}if(FS.isLink(node.mode)){return 32}else if(FS.isDir(node.mode)){if(FS.flagsToPermissionString(flags)!=="r"||flags&512){return 31}}return FS.nodePermissions(node,FS.flagsToPermissionString(flags))},MAX_OPEN_FDS:4096,nextfd(){for(var fd=0;fd<=FS.MAX_OPEN_FDS;fd++){if(!FS.streams[fd]){return fd}}throw new FS.ErrnoError(33)},getStreamChecked(fd){var stream=FS.getStream(fd);if(!stream){throw new FS.ErrnoError(8)}return stream},getStream:fd=>FS.streams[fd],createStream(stream,fd=-1){stream=Object.assign(new FS.FSStream,stream);if(fd==-1){fd=FS.nextfd()}stream.fd=fd;FS.streams[fd]=stream;return stream},closeStream(fd){FS.streams[fd]=null},dupStream(origStream,fd=-1){var stream=FS.createStream(origStream,fd);st