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5,getStream:e=>rS.streams[e],createStream:(e,r=-1)=>(rS.FSStream||(rS.FSStream=function(){this.shared={}},rS.FSStream.prototype={},Object.defineProperties(rS.FSStream.prototype,{object:{get(){return this.node},set(e){this.node=e}},isRead:{get(){return(2097155&this.flags)!=1}},isWrite:{get(){return(2097155&this.flags)!=0}},isAppend:{get(){return 1024&this.flags}},flags:{get(){return this.shared.flags},set(e){this.shared.flags=e}},position:{get(){return this.shared.position},set(e){this.shared.position=e}}})),e=Object.assign(new rS.FSStream,e),-1==r&&(r=rS.nextfd()),e.fd=r,rS.streams[r]=e,e),closeStream(e){rS.streams[e]=null},chrdev_stream_ops:{open(e){var r=rS.getDevice(e.node.rdev);e.stream_ops=r.stream_ops,e.stream_ops.open&&e.stream_ops.open(e)},llseek(){throw new rS.ErrnoError(70)}},major:e=>e>>8,minor:e=>255&e,makedev:(e,r)=>e<<8|r,registerDevice(e,r){rS.devices[e]={stream_ops:r}},getDevice:e=>rS.devices[e],getMounts(e){for(var r=[],t=[e];t.length;){var n=t.pop();r.push(n),t.push.apply(t,n.mounts)}return r},syncfs(e,r){"function"==typeof e&&(r=e,e=!1),rS.syncFSRequests++,rS.syncFSRequests>1&&R(`warning: ${rS.syncFSRequests} FS.syncfs operations in flight at once, probably just doing extra work`);var t=rS.getMounts(rS.root.mount),n=0;function o(e){return rS.syncFSRequests--,r(e)}function a(e){if(e)return a.errored?void 0:(a.errored=!0,o(e));++n>=t.length&&o(null)}t.forEach(r=>{if(!r.type.syncfs)return a(null);r.type.syncfs(r,e,a)})},mount(e,r,t){var n,o="/"===t,a=!t;if(o&&rS.root)throw new rS.ErrnoError(10);if(!o&&!a){var s=rS.lookupPath(t,{follow_mount:!1});if(t=s.path,n=s.node,rS.isMountpoint(n))throw new rS.ErrnoError(10);if(!rS.isDir(n.mode))throw new rS.ErrnoError(54)}var i={type:e,opts:r,mountpoint:t,mounts:[]},u=e.mount(i);return u.mount=i,i.root=u,o?rS.root=u:n&&(n.mounted=i,n.mount&&n.mount.mounts.push(i)),u},unmount(e){var r=rS.lookupPath(e,{follow_mount:!1});if(!rS.isMountpoint(r.node))throw new rS.ErrnoError(28);var t=r.node,n=t.mounted,o=rS.getMounts(n);Object.keys(rS.nameTable).forEach(e=>{for(var r=rS.nameTable[e];r;){var t=r.name_next;o.includes(r.mount)&&rS.destroyNode(r),r=t}}),t.mounted=null;var a=t.mount.mounts.indexOf(n);t.mount.mounts.splice(a,1)},lookup:(e,r)=>e.node_ops.lookup(e,r),mknod(e,r,t){var n=rS.lookupPath(e,{parent:!0}).node,o=rm.basename(e);if(!o||"."===o||".."===o)throw new rS.ErrnoError(28);var a=rS.mayCreate(n,o);if(a)throw new rS.ErrnoError(a);if(!n.node_ops.mknod)throw new rS.ErrnoError(63);return n.node_ops.mknod(n,o,r,t)},create:(e,r)=>(r=(void 0!==r?r:438)&4095|32768,rS.mknod(e,r,0)),mkdir:(e,r)=>(r=(void 0!==r?r:511)&1023|16384,rS.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{rS.mkdir(n,r)}catch(e){if(20!=e.errno)throw e}}},mkdev:(e,r,t)=>(void 0===t&&(t=r,r=438),r|=8192,rS.mknod(e,r,t)),symlink(e,r){if(!rg.resolve(e))throw new rS.ErrnoError(44);var t=rS.lookupPath(r,{parent:!0}).node;if(!t)throw new rS.ErrnoError(44);var n=rm.basename(r),o=rS.mayCreate(t,n);if(o)throw new rS.ErrnoError(o);if(!t.node_ops.symlink)throw new rS.ErrnoError(63);return t.node_ops.symlink(t,n,e)},rename(e,r){var t,n,o,a=rm.dirname(e),s=rm.dirname(r),i=rm.basename(e),u=rm.basename(r);if(t=rS.lookupPath(e,{parent:!0}).node,n=rS.lookupPath(r,{parent:!0}).node,!t||!n)throw new rS.ErrnoError(44);if(t.mount!==n.mount)throw new rS.ErrnoError(75);var l=rS.lookupNode(t,i),d=rg.relative(e,s);if("."!==d.charAt(0))throw new rS.ErrnoError(28);if("."!==(d=rg.relative(r,a)).charAt(0))throw new rS.ErrnoError(55);try{o=rS.lookupNode(n,u)}catch(e){}if(l!==o){var c=rS.isDir(l.mode),p=rS.mayDelete(t,i,c);if(p||(p=o?rS.mayDelete(n,u,c):rS.mayCreate(n,u)))throw new rS.ErrnoError(p);if(!t.node_ops.rename)throw new rS.ErrnoError(63);if(rS.isMountpoint(l)||o&&rS.isMountpoint(o))throw new rS.ErrnoError(10);if(n!==t&&(p=rS.nodePermissions(t,"w")))throw new rS.ErrnoError(p);rS.hashRemoveNode(l);try{t.node_ops.rename(l,n,u)}catch(e){throw e}finally{rS.hashAddNode(l)}}},rmdir(e){var r=rS.lookupPath(e,{parent:!0}).node,t=rm.basename(e),n=rS.lookupNode(r,t),o=rS.mayDelete(r,t,!0);if(o)throw new rS.ErrnoError(o);if(!r.node_ops.rmdir)throw new rS.ErrnoError(63);if(rS.isMountpoint(n))throw new rS.ErrnoError(10);r.node_ops.rmdir(r,t),rS.destroyNode(n)},readdir(e){var r=rS.lookupPath(e,{follow:!0}).node;if(!r.node_ops.readdir)throw new rS.ErrnoError(54);return r.node_ops.readdir(r)},unlink(e){var r=rS.lookupPath(e,{parent:!0}).node;if(!r)throw new rS.ErrnoError(44);var t=rm.basename(e),n=rS.lookupNode(r,t),o=rS.mayDelete(r,t,!1);if(o)throw new rS.ErrnoError(o);if(!r.node_ops.unlink)throw new rS.ErrnoError(63);if(rS.isMountpoint(n))throw new rS.ErrnoError(10);r.node_ops.unlink(r,t),rS.destroyNode(n)},readlink(e){var r=rS.lookupPath(e).node;if(!r)throw new rS.ErrnoError(44);if(!r.node_ops.readlink)throw new rS.ErrnoError(28);return rg.resolve(rS.getPath(r.parent),r.node_ops.readlink(r))},stat(e,r){var t=rS.lookupPath(e,{follow:!r}).node;if(!t)throw new rS.ErrnoError(44);if(!t.node_ops.getattr)throw new rS.ErrnoError(63);return t.node_ops.getattr(t)},lstat:e=>rS.stat(e,!0),chmod(e,r,t){var n;

5if(!(n="string"==typeof e?rS.lookupPath(e,{follow:!t}).node:e).node_ops.setattr)throw new rS.ErrnoError(63);n.node_ops.setattr(n,{mode:4095&r|-4096&n.mode,timestamp:Date.now()})},lchmod(e,r){rS.chmod(e,r,!0)},fchmod(e,r){var t=rS.getStreamChecked(e);rS.chmod(t.node,r)},chown(e,r,t,n){var o;if(!(o="string"==typeof e?rS.lookupPath(e,{follow:!n}).node:e).node_ops.setattr)throw new rS.ErrnoError(63);o.node_ops.setattr(o,{timestamp:Date.now()})},lchown(e,r,t){rS.chown(e,r,t,!0)},fchown(e,r,t){var n=rS.getStreamChecked(e);rS.chown(n.node,r,t)},truncate(e,r){if(r<0)throw new rS.ErrnoError(28);if("string"==typeof e){var t;t=rS.lookupPath(e,{follow:!0}).node}else t=e;if(!t.node_ops.setattr)throw new rS.ErrnoError(63);if(rS.isDir(t.mode))throw new rS.ErrnoError(31);if(!rS.isFile(t.mode))throw new rS.ErrnoError(28);var n=rS.nodePermissions(t,"w");if(n)throw new rS.ErrnoError(n);t.node_ops.setattr(t,{size:r,timestamp:Date.now()})},ftruncate(e,r){var t=rS.getStreamChecked(e);if((2097155&t.flags)==0)throw new rS.ErrnoError(28);rS.truncate(t.node,r)},utime(e,r,t){var n=rS.lookupPath(e,{follow:!0}).node;n.node_ops.setattr(n,{timestamp:Math.max(r,t)})},open(r,t,n){if(""===r)throw new rS.ErrnoError(44);if(t="string"==typeof t?rF(t):t,n=void 0===n?438:n,n=64&t?4095&n|32768:0,"object"==typeof r)o=r;else{r=rm.normalize(r);try{var o;o=rS.lookupPath(r,{follow:!(131072&t)}).node}catch(e){}}var a=!1;if(64&t){if(o){if(128&t)throw new rS.ErrnoError(20)}else o=rS.mknod(r,n,0),a=!0}if(!o)throw new rS.ErrnoError(44);if(rS.isChrdev(o.mode)&&(t&=-513),65536&t&&!rS.isDir(o.mode))throw new rS.ErrnoError(54);if(!a){var s=rS.mayOpen(o,t);if(s)throw new rS.ErrnoError(s)}512&t&&!a&&rS.truncate(o,0),t&=-131713;var i=rS.createStream({node:o,path:rS.getPath(o),flags:t,seekable:!0,position:0,stream_ops:o.stream_ops,ungotten:[],error:!1});return i.stream_ops.open&&i.stream_ops.open(i),!e.logReadFiles||1&t||(rS.readFiles||(rS.readFiles={}),r in rS.readFiles||(rS.readFiles[r]=1)),i},close(e){if(rS.isClosed(e))throw new rS.ErrnoError(8);e.getdents&&(e.getdents=null);try{e.stream_ops.close&&e.stream_ops.close(e)}catch(e){throw e}finally{rS.closeStream(e.fd)}e.fd=null},isClosed:e=>null===e.fd,llseek(e,r,t){if(rS.isClosed(e))throw new rS.ErrnoError(8);if(!e.seekable||!e.stream_ops.llseek)throw new rS.ErrnoError(70);if(0!=t&&1!=t&&2!=t)throw new rS.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 rS.ErrnoError(28);if(rS.isClosed(e)||(2097155&e.flags)==1)throw new rS.ErrnoError(8);if(rS.isDir(e.node.mode))throw new rS.ErrnoError(31);if(!e.stream_ops.read)throw new rS.ErrnoError(28);var a=void 0!==o;if(a){if(!e.seekable)throw new rS.ErrnoError(70)}else o=e.position;var s=e.stream_ops.read(e,r,t,n,o);return a||(e.position+=s),s},write(e,r,t,n,o,a){if(n<0||o<0)throw new rS.ErrnoError(28);if(rS.isClosed(e)||(2097155&e.flags)==0)throw new rS.ErrnoError(8);if(rS.isDir(e.node.mode))throw new rS.ErrnoError(31);if(!e.stream_ops.write)throw new rS.ErrnoError(28);e.seekable&&1024&e.flags&&rS.llseek(e,0,2);var s=void 0!==o;if(s){if(!e.seekable)throw new rS.ErrnoError(70)}else o=e.position;var i=e.stream_ops.write(e,r,t,n,o,a);return s||(e.position+=i),i},allocate(e,r,t){if(rS.isClosed(e))throw new rS.ErrnoError(8);if(r<0||t<=0)throw new rS.ErrnoError(28);if((2097155&e.flags)==0)throw new rS.ErrnoError(8);if(!rS.isFile(e.node.mode)&&!rS.isDir(e.node.mode))throw new rS.ErrnoError(43);if(!e.stream_ops.allocate)throw new rS.ErrnoError(138);e.stream_ops.allocate(e,r,t)},mmap(e,r,t,n,o){if((2&n)!=0&&(2&o)==0&&(2097155&e.flags)!=2||(2097155&e.flags)==1)throw new rS.ErrnoError(2);if(!e.stream_ops.mmap)throw new rS.ErrnoError(43);return e.stream_ops.mmap(e,r,t,n,o)},msync:(e,r,t,n,o)=>e.stream_ops.msync?e.stream_ops.msync(e,r,t,n,o):0,munmap:e=>0,ioctl(e,r,t){if(!e.stream_ops.ioctl)throw new rS.ErrnoError(59);return e.stream_ops.ioctl(e,r,t)},readFile(e,r={}){if(r.flags=r.flags||0,r.encoding=r.encoding||"binary","utf8"!==r.encoding&&"binary"!==r.encoding)throw Error(`Invalid encoding type "${r.encoding}"`);var t,n=rS.open(e,r.flags),o=rS.stat(e).size,a=new Uint8Array(o);return rS.read(n,a,0,o,0),"utf8"===r.encoding?t=re(a,0):"binary"===r.encoding&&(t=a),rS.close(n),t},writeFile(e,r,t={}){t.flags=t.flags||577;var n=rS.open(e,t.flags,t.mode);if("string"==typeof r){var o=new Uint8Array(e9(r)+1),a=e5(r,o,0,o.length);rS.write(n,o,0,a,void 0,t.canOwn)}else if(ArrayBuffer.isView(r))rS.write(n,r,0,r.byteLength,void 0,t.canOwn);else throw Error("Unsupported data type");rS.close(n)},cwd:()=>rS.currentPath,chdir(e){var r=rS.lookupPath(e,{follow:!0});

5if(null===r.node)throw new rS.ErrnoError(44);if(!rS.isDir(r.node.mode))throw new rS.ErrnoError(54);var t=rS.nodePermissions(r.node,"x");if(t)throw new rS.ErrnoError(t);rS.currentPath=r.path},createDefaultDirectories(){rS.mkdir("/tmp"),rS.mkdir("/home"),rS.mkdir("/home/web_user")},createDefaultDevices(){rS.mkdir("/dev"),rS.registerDevice(rS.makedev(1,3),{read:()=>0,write:(e,r,t,n,o)=>n}),rS.mkdev("/dev/null",rS.makedev(1,3)),r_.register(rS.makedev(5,0),r_.default_tty_ops),r_.register(rS.makedev(6,0),r_.default_tty1_ops),rS.mkdev("/dev/tty",rS.makedev(5,0)),rS.mkdev("/dev/tty1",rS.makedev(6,0));var e=new Uint8Array(1024),r=0,t=()=>(0===r&&(r=ry(e).byteLength),e[--r]);rS.createDevice("/dev","random",t),rS.createDevice("/dev","urandom",t),rS.mkdir("/dev/shm"),rS.mkdir("/dev/shm/tmp")},createSpecialDirectories(){rS.mkdir("/proc");var e=rS.mkdir("/proc/self");rS.mkdir("/proc/self/fd"),rS.mount({mount(){var r=rS.createNode(e,"fd",16895,73);return r.node_ops={lookup(e,r){var t=rS.getStreamChecked(+r),n={parent:null,mount:{mountpoint:"fake"},node_ops:{readlink:()=>t.path}};return n.parent=n,n}},r}},{},"/proc/self/fd")},createStandardStreams(){e.stdin?rS.createDevice("/dev","stdin",e.stdin):rS.symlink("/dev/tty","/dev/stdin"),e.stdout?rS.createDevice("/dev","stdout",null,e.stdout):rS.symlink("/dev/tty","/dev/stdout"),e.stderr?rS.createDevice("/dev","stderr",null,e.stderr):rS.symlink("/dev/tty1","/dev/stderr"),rS.open("/dev/stdin",0),rS.open("/dev/stdout",1),rS.open("/dev/stderr",1)},ensureErrnoError(){rS.ErrnoError||(rS.ErrnoError=function(e,r){this.name="ErrnoError",this.node=r,this.setErrno=function(e){this.errno=e},this.setErrno(e),this.message="FS error"},rS.ErrnoError.prototype=Error(),rS.ErrnoError.prototype.constructor=rS.ErrnoError,[44].forEach(e=>{rS.genericErrors[e]=new rS.ErrnoError(e),rS.genericErrors[e].stack="<generic error, no stack>"}))},staticInit(){rS.ensureErrnoError(),rS.nameTable=Array(4096),rS.mount(rk,{},"/"),rS.createDefaultDirectories(),rS.createDefaultDevices(),rS.createSpecialDirectories(),rS.filesystems={MEMFS:rk}},init(r,t,n){rS.init.initialized=!0,rS.ensureErrnoError(),e.stdin=r||e.stdin,e.stdout=t||e.stdout,e.stderr=n||e.stderr,rS.createStandardStreams()},quit(){rS.init.initialized=!1;for(var e=0;e<rS.streams.length;e++){var r=rS.streams[e];r&&rS.close(r)}},findObject(e,r){var t=rS.analyzePath(e,r);return t.exists?t.object:null},analyzePath(e,r){try{var t=rS.lookupPath(e,{follow:!r});e=t.path}catch(e){}var n={isRoot:!1,exists:!1,error:0,name:null,path:null,object:null,parentExists:!1,parentPath:null,parentObject:null};try{var t=rS.lookupPath(e,{parent:!0});n.parentExists=!0,n.parentPath=t.path,n.parentObject=t.node,n.name=rm.basename(e),t=rS.lookupPath(e,{follow:!r}),n.exists=!0,n.path=t.path,n.object=t.node,n.name=t.node.name,n.isRoot="/"===t.path}catch(e){n.error=e.errno}return n},createPath(e,r,t,n){e="string"==typeof e?e:rS.getPath(e);for(var o=r.split("/").reverse();o.length;){var a=o.pop();if(a){var s=rm.join2(e,a);try{rS.mkdir(s)}catch(e){}e=s}}return s},createFile(e,r,t,n,o){var a=rm.join2("string"==typeof e?e:rS.getPath(e),r),s=rA(n,o);return rS.create(a,s)},createDataFile(e,r,t,n,o,a){var s=r;e&&(e="string"==typeof e?e:rS.getPath(e),s=r?rm.join2(e,r):e);var i=rA(n,o),u=rS.create(s,i);if(t){if("string"==typeof t){for(var l=Array(t.length),d=0,c=t.length;d<c;++d)l[d]=t.charCodeAt(d);t=l}rS.chmod(u,146|i);var p=rS.open(u,577);rS.write(p,t,0,t.length,0,a),rS.close(p),rS.chmod(u,i)}return u},createDevice(e,r,t,n){var o=rm.join2("string"==typeof e?e:rS.getPath(e),r),a=rA(!!t,!!n);rS.createDevice.major||(rS.createDevice.major=64);var s=rS.makedev(rS.createDevice.major++,0);return rS.registerDevice(s,{open(e){e.seekable=!1},close(e){n&&n.buffer&&n.buffer.length&&n(10)},read(e,r,n,o,a){for(var s,i=0,u=0;u<o;u++){try{s=t()}catch(e){throw new rS.ErrnoError(29)}if(void 0===s&&0===i)throw new rS.ErrnoError(6);if(null==s)break;i++,r[n+u]=s}return i&&(e.node.timestamp=Date.now()),i},write(e,r,t,o,a){for(var s=0;s<o;s++)try{n(r[t+s])}catch(e){throw new rS.ErrnoError(29)}return o&&(e.node.timestamp=Date.now()),s}}),rS.mkdev(o,a,s)},forceLoadFile(e){if(e.isDevice||e.isFolder||e.link||e.contents)return!0;

5if("undefined"!=typeof XMLHttpRequest)throw Error("Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread.");if(o)try{e.contents=rE(o(e.url),!0),e.usedBytes=e.contents.length}catch(e){throw new rS.ErrnoError(29)}else throw Error("Cannot load without read() or XMLHttpRequest.")},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,r=new XMLHttpRequest;if(r.open("HEAD",t,!1),r.send(null),!(r.status>=200&&r.status<300||304===r.status))throw Error("Couldn't load "+t+". Status: "+r.status);var n=Number(r.getResponseHeader("Content-length")),o=(e=r.getResponseHeader("Accept-Ranges"))&&"bytes"===e,a=(e=r.getResponseHeader("Content-Encoding"))&&"gzip"===e,s=1048576;o||(s=n);var i=(e,r)=>{if(e>r)throw Error("invalid range ("+e+", "+r+") or no bytes requested!");if(r>n-1)throw Error("only "+n+" bytes available! programmer error!");var o=new XMLHttpRequest;if(o.open("GET",t,!1),n!==s&&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 Error("Couldn't load "+t+". 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