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e.parent.contents[e.name],e.parent.timestamp=Date.now(),e.name=t,r.contents[t]=e,r.timestamp=e.parent.timestamp,e.parent=r},unlink:function(e,r){delete e.contents[r],e.timestamp=Date.now()},rmdir:function(e,r){var t=Ie.lookupNode(e,r);for(var n in t.contents)throw new Ie.ErrnoError(55);delete e.contents[r],e.timestamp=Date.now()},readdir:function(e){var r=[".",".."];for(var t in e.contents)e.contents.hasOwnProperty(t)&&r.push(t);return r},symlink:function(e,r,t){var n=Me.createNode(e,r,41471,0);return n.link=t,n},readlink:function(e){if(!Ie.isLink(e.mode))throw new Ie.ErrnoError(28);return e.link}},stream_ops:{read:function(e,r,t,n,o){var a=e.node.contents;if(o>=e.node.usedBytes)return 0;var i=Math.min(e.node.usedBytes-o,n);if(D(i>=0),i>8&&a.subarray)r.set(a.subarray(o,o+i),t);else for(var s=0;s<i;s++)r[t+s]=a[o+s];return i},write:function(e,r,t,n,o,a){if(D(!(r instanceof ArrayBuffer)),r.buffer===x.buffer&&(a=!1),!n)return 0;var 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i,s,l=e.node.contents;if(2&a||l.buffer!==L){if((n>0||n+t<l.length)&&(l=l.subarray?l.subarray(n,n+t):Array.prototype.slice.call(l,n,n+t)),s=!0,!(i=Fe(t)))throw new Ie.ErrnoError(48);x.set(l,i)}else s=!1,i=l.byteOffset;return{ptr:i,allocated:s}},msync:function(e,r,t,n,o){if(!Ie.isFile(e.node.mode))throw new Ie.ErrnoError(43);return 2&o||Me.stream_ops.write(e,r,0,n,t,!1),0}}};var Re={0:"Success",1:"Arg list too long",2:"Permission denied",3:"Address already in use",4:"Address not available",5:"Address family not supported by protocol family",6:"No more processes",7:"Socket already connected",8:"Bad file number",9:"Trying to read unreadable message",10:"Mount device busy",11:"Operation canceled",12:"No children",13:"Connection aborted",14:"Connection refused",15:"Connection reset by peer",16:"File locking deadlock error",17:"Destination address required",18:"Math arg out of domain of func",19:"Quota exceeded",20:"File exists",21:"Bad address",22:"File too large",23:"Host is 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error",123:"Srmount error",124:"Communication error on send",125:"Cross mount point (not really error)",126:"Given log. name not unique",127:"f.d. invalid for this operation",128:"Remote address changed",129:"Can   access a needed shared lib",130:"Accessing a corrupted shared lib",131:".lib section in a.out corrupted",132:"Attempting to link in too many libs",133:"Attempting to exec a shared library",135:"Streams pipe error",136:"Too many users",137:"Socket type not supported",138:"Not supported",139:"Protocol family not supported",140:"Can't send after socket shutdown",141:"Too many references",142:"Host is down",148:"No medium (in tape drive)",156:"Level 2 not synchronized"},Ne={},Ie={root:null,mounts:[],devices:{},streams:[],nextInode:1,nameTable:null,currentPath:"/",initialized:!1,ignorePermissions:!0,ErrnoError:null,genericErrors:{},filesystems:null,syncFSRequests:0,lookupPath:function(e){let r=arguments.length>1&&void 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s={type:e,opts:r,mountpoint:t,mounts:[]},l=e.mount(s);return l.mount=s,s.root=l,o?Ie.root=l:n&&(n.mounted=s,n.mount&&n.mount.mounts.push(s)),l},unmount:e=>{var r=Ie.lookupPath(e,{follow_mount:!1});if(!Ie.isMountpoint(r.node))throw new Ie.ErrnoError(28);var t=r.node,n=t.mounted,o=Ie.getMounts(n);Object.keys(Ie.nameTable).forEach((e=>{for(var r=Ie.nameTable[e];r;){var t=r.name_next;o.includes(r.mount)&&Ie.destroyNode(r),r=t}})),t.mounted=null;var a=t.mount.mounts.indexOf(n);D(-1!==a),t.mount.mounts.splice(a,1)},lookup:(e,r)=>e.node_ops.lookup(e,r),mknod:(e,r,t)=>{var n=Ie.lookupPath(e,{parent:!0}).node,o=Ae.basename(e);if(!o||"."===o||".."===o)throw new Ie.ErrnoError(28);var a=Ie.mayCreate(n,o);if(a)throw new Ie.ErrnoError(a);if(!n.node_ops.mknod)throw new Ie.ErrnoError(63);return n.node_ops.mknod(n,o,r,t)},create:(e,r)=>(r=void 0!==r?r:438,r&=4095,r|=32768,Ie.mknod(e,r,0)),mkdir:(e,r)=>(r=void 0!==r?r:511,r&=1023,r|=16384,Ie.mknod(e,r,0)),mkdirTree:(e,r)=>{for(var t=e.split("/"),n="",o=0;o<t.length;++o)if(t[o]){n+="/"+t[o];try{Ie.mkdir(n,r)}catch(e){if(20!=e.errno)throw e}}},mkdev:(e,r,t)=>(void 0===t&&(t=r,r=438),r|=8192,Ie.mknod(e,r,t)),symlink:(e,r)=>{if(!De.resolve(e))throw new Ie.ErrnoError(44);var t=Ie.lookupPath(r,{parent:!0}).node;if(!t)throw new Ie.ErrnoError(44);var n=Ae.basename(r),o=Ie.mayCreate(t,n);if(o)throw new Ie.ErrnoError(o);if(!t.node_ops.symlink)throw new Ie.ErrnoError(63);return t.node_ops.symlink(t,n,e)},rename:(e,r)=>{var t,n,o=Ae.dirname(e),a=Ae.dirname(r),i=Ae.basename(e),s=Ae.basename(r);if(t=Ie.lookupPath(e,{parent:!0}).node,n=Ie.lookupPath(r,{parent:!0}).node,!t||!n)throw new Ie.ErrnoError(44);if(t.mount!==n.mount)throw new Ie.ErrnoError(75);var l,u=Ie.lookupNode(t,i),c=De.relative(e,a);if("."!==c.charAt(0))throw new Ie.ErrnoError(28);if("."!==(c=De.relative(r,o)).charAt(0))throw new Ie.ErrnoError(55);try{l=Ie.lookupNode(n,s)}catch(e){}if(u!==l){var d=Ie.isDir(u.mode),f=Ie.mayDelete(t,i,d);if(f)throw new 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Ie.ErrnoError(8);if(!e.seekable||!e.stream_ops.llseek)throw new Ie.ErrnoError(70);if(0!=t&&1!=t&&2!=t)throw new Ie.ErrnoError(28);return e.position=e.stream_ops.llseek(e,r,t),e.ungotten=[],e.position},read:(e,r,t,n,o)=>{if(n<0||o<0)throw new Ie.ErrnoError(28);if(Ie.isClosed(e))throw new Ie.ErrnoError(8);if(1==(2097155&e.flags))throw new Ie.ErrnoError(8);if(Ie.isDir(e.node.mode))throw new Ie.ErrnoError(31);if(!e.stream_ops.read)throw new Ie.ErrnoError(28);var a=void 0!==o;if(a){if(!e.seekable)throw new Ie.ErrnoError(70)}else o=e.position;var i=e.stream_ops.read(e,r,t,n,o);return a||(e.position+=i),i},write:(e,r,t,n,o,a)=>{if(n<0||o<0)throw new Ie.ErrnoError(28);if(Ie.isClosed(e))throw new Ie.ErrnoError(8);if(0==(2097155&e.flags))throw new Ie.ErrnoError(8);if(Ie.isDir(e.node.mode))throw new Ie.ErrnoError(31);if(!e.stream_ops.write)throw new Ie.ErrnoError(28);e.seekable&&1024&e.flags&&Ie.llseek(e,0,2);var i=void 0!==o;if(i){if(!e.seekable)throw new Ie.ErrnoError(70)}else o=e.position;var 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Error('Invalid encoding type "'+r.encoding+'"');var t,n=Ie.open(e,r.flags),o=Ie.stat(e),a=o.size,i=new Uint8Array(a);return Ie.read(n,i,0,a,0),"utf8"===r.encoding?t=F(i,0):"binary"===r.encoding&&(t=i),Ie.close(n),t},writeFile:function(e,r){let t=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};t.flags=t.flags||577;var n=Ie.open(e,t.flags,t.mode);if("string"==typeof r){var o=new Uint8Array(I(r)+1),a=R(r,o,0,o.length);Ie.write(n,o,0,a,void 0,t.canOwn)}else{if(!ArrayBuffer.isView(r))throw new Error("Unsupported data type");Ie.write(n,r,0,r.byteLength,void 0,t.canOwn)}Ie.close(n)},cwd:()=>Ie.currentPath,chdir:e=>{var r=Ie.lookupPath(e,{follow:!0});if(null===r.node)throw new Ie.ErrnoError(44);if(!Ie.isDir(r.node.mode))throw new Ie.ErrnoError(54);var t=Ie.nodePermissions(r.node,"x");if(t)throw new Ie.ErrnoError(t);Ie.currentPath=r.path},createDefaultDirectories:()=>{Ie.mkdir("/tmp"),Ie.mkdir("/home"),Ie.mkdir("/home/web_user")},createDefaultDevices:()=>{Ie.mkdir("/dev"),Ie.registerDevice(Ie.makedev(1,3),{read:()=>0,write:(e,r,t,n,o)=>n}),Ie.mkdev("/dev/null",Ie.makedev(1,3)),Oe.register(Ie.makedev(5,0),Oe.default_tty_ops),Oe.register(Ie.makedev(6,0),Oe.default_tty1_ops),Ie.mkdev("/dev/tty",Ie.makedev(5,0)),Ie.mkdev("/dev/tty1",Ie.makedev(6,0));var e=function(){if("object"==typeof crypto&&"function"==typeof crypto.getRandomValues){var e=new Uint8Array(1);return function(){return crypto.getRandomValues(e),e[0]}}if(u)try{var r=i.default;return function(){return r.randomBytes(1)[0]}}catch(e){}return function(){ge("no cryptographic support found for randomDevice. consider polyfilling it if you want to use something insecure like Math.random(), e.g. put this in a --pre-js: var crypto = { getRandomValues: function(array) { for (var i = 0; i < array.length; i++) array[i] = 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Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread.");if(!d)throw new Error("Cannot load without read() or XMLHttpRequest.");try{e.contents=pt(d(e.url),!0),e.usedBytes=e.contents.length}catch(e){throw new Ie.ErrnoError(29)}},createLazyFile:(e,r,t,n,o)=>{function a(){this.lengthKnown=!1,this.chunks=[]}if(a.prototype.get=function(e){if(!(e>this.length-1||e<0)){var r=e%this.chunkSize,t=e/this.chunkSize|0;return this.getter(t)[r]}},a.prototype.setDataGetter=function(e){this.getter=e},a.prototype.cacheLength=function(){var e=new XMLHttpRequest;if(e.open("HEAD",t,!1),e.send(null),!(e.status>=200&&e.status<300||304===e.status))throw new Error("Couldn't load "+t+". Status: "+e.status);var r,n=Number(e.getResponseHeader("Content-length")),o=(r=e.getResponseHeader("Accept-Ranges"))&&"bytes"===r,a=(r=e.getResponseHeader("Content-Encoding"))&&"gzip"===r,i=1048576;o||(i=n);var s=this;s.setDataGetter((e=>{var r=e*i,o=(e+1)*i-1;if(o=Math.min(o,n-1),void 0===s.chunks[e]&&(s.chunks[e]=((e,r)=>{if(e>r)throw new Error("invalid range ("+e+", "+r+") or no bytes requested!");if(r>n-1)throw new Error("only "+n+" bytes available! programmer error!");var o=new XMLHttpRequest;if(o.open("GET",t,!1),n!==i&&o.setRequestHeader("Range","bytes="+e+"-"+r),o.responseType="arraybuffer",o.overrideMimeType&&o.overrideMimeType("text/plain; charset=x-user-defined"),o.send(null),!(o.status>=200&&o.status<300||304===o.status))throw new Error("Couldn't load "+t+". Status: "+o.status);return void 0!==o.response?new Uint8Array(o.response||[]):pt(o.responseText||"",!0)})(r,o)),void 0===s.chunks[e])throw new Error("doXHR failed!");return s.chunks[e]})),!a&&n||(i=n=1,n=this.getter(0).length,i=n,b("LazyFiles on gzip forces download of the whole file when length is accessed")),this._length=n,this._chunkSize=i,this.lengthKnown=!0},"undefined"!=typeof XMLHttpRequest){if(!l)throw"Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc";var i=new a;Object.defineProperties(i,{length:{get:function(){return this.lengthKnown||this.cacheLength(),this._length}},chunkSize:{get:function(){return this.lengthKnown||this.cacheLength(),this._chunkSize}}});var s={isDevice:!1,contents:i}}else s={isDevice:!1,url:t};var u=Ie.createFile(e,r,s,n,o);s.contents?u.contents=s.contents:s.url&&(u.contents=null,u.url=s.url),Object.defineProperties(u,{usedBytes:{get:function(){return this.contents.length}}});var c={};return Object.keys(u.stream_ops).forEach((e=>{var r=u.stream_ops[e];c[e]=function(){return Ie.forceLoadFile(u),r.apply(null,arguments)}})),c.read=(e,r,t,n,o)=>{Ie.forceLoadFile(u);var a=e.node.contents;if(o>=a.length)return 0;var i=Math.min(a.length-o,n);if(D(i>=0),a.slice)for(var s=0;s<i;s++)r[t+s]=a[o+s];else for(s=0;s<i;s++)r[t+s]=a.get(o+s);return i},u.stream_ops=c,u},createPreloadedFile:(e,r,t,n,o,a,i,s,l,u)=>{var c=r?De.resolve(Ae.join2(e,r)):e,d=pe("cp "+c);function p(t){function f(t){u&&u(),s||Ie.createDataFile(e,r,t,n,o,l),a&&a(),he(d)}Browser.handledByPreloadPlugin(t,c,f,(()=>{i&&i(),he(d)}))||f(t)}me(d),"string"==typeof t?function(e,r,t,n){var o=n?"":pe("al "+e);f(e,(function(t){D(t,'Loading data file "'+e+'" failed (no arrayBuffer).'),r(new Uint8Array(t)),o&&he(o)}),(function(r){if(!t)throw'Loading data file "'+e+'" failed.';t()})),o&&me(o)}(t,(e=>p(e)),i):p(t)},indexedDB:()=>window.indexedDB||window.mozIndexedDB||window.webkitIndexedDB||window.msIndexedDB,DB_NAME:()=>"EM_FS_"+window.location.pathname,DB_VERSION:20,DB_STORE_NAME:"FILE_DATA",saveFilesToDB:(e,r,t)=>{r=r||(()=>{}),t=t||(()=>{});var n=Ie.indexedDB();try{var o=n.open(Ie.DB_NAME(),Ie.DB_VERSION)}catch(e){return t(e)}o.onupgradeneeded=()=>{b("creating db"),o.result.createObjectStore(Ie.DB_STORE_NAME)},o.onsuccess=()=>{var n=o.result.transaction([Ie.DB_STORE_NAME],"readwrite"),a=n.objectStore(Ie.DB_STORE_NAME),i=0,s=0,l=e.length;function u(){0==s?r():t()}e.forEach((e=>{var r=a.put(Ie.analyzePath(e).object.contents,e);r.onsuccess=()=>{++i+s==l&&u()},r.onerror=()=>{s++,i+s==l&&u()}})),n.onerror=t},o.onerror=t},loadFilesFromDB:(e,r,t)=>{r=r||(()=>{}),t=t||(()=>{});var n=Ie.indexedDB();try{var o=n.open(Ie.DB_NAME(),Ie.DB_VERSION)}catch(e){return t(e)}o.onupgradeneeded=t,o.onsuccess=()=>{var n=o.result;try{var a=n.transaction([Ie.DB_STORE_NAME],"readonly")}catch(e){return void t(e)}var i=a.objectStore(Ie.DB_STORE_NAME),s=0,l=0,u=e.length;function c(){0==l?r():t()}e.forEach((e=>{var r=i.get(e);r.onsuccess=()=>{Ie.analyzePath(e).exists&&Ie.unlink(e),Ie.createDataFile(Ae.dirname(e),Ae.basename(e),r.result,!0,!0,!0),++s+l==u&&c()},r.onerror=()=>{l++,s+l==u&&c()}})),a.onerror=t},o.onerror=t},absolutePath:()=>{ge("FS.absolutePath has been removed; use PATH_FS.resolve instead")},createFolder:()=>{ge("FS.createFolder has been removed; use FS.mkdir instead")},createLink:()=>{ge("FS.createLink has been removed; use FS.symlink instead")},joinPath:()=>{ge("FS.joinPath 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