libredwg-web-ts/dist/libredwg-web.umd.cjs

A DWG/DXF JavaScript parser based on libredwg

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D.isDir(w.mode)?(w.node_ops=V.ops_table.dir.node,w.stream_ops=V.ops_table.dir.stream,w.contents={}):D.isFile(w.mode)?(w.node_ops=V.ops_table.file.node,w.stream_ops=V.ops_table.file.stream,w.usedBytes=0,w.contents=null):D.isLink(w.mode)?(w.node_ops=V.ops_table.link.node,w.stream_ops=V.ops_table.link.stream):D.isChrdev(w.mode)&&(w.node_ops=V.ops_table.chrdev.node,w.stream_ops=V.ops_table.chrdev.stream),w.atime=w.mtime=w.ctime=Date.now(),A&&(A.contents[C]=w,A.atime=A.mtime=A.ctime=w.atime),w},getFileDataAsTypedArray(A){return A.contents?A.contents.subarray?A.contents.subarray(0,A.usedBytes):new Uint8Array(A.contents):new Uint8Array(0)},expandFileStorage(A,C){var B=A.contents?A.contents.length:0;if(!(B>=C)){var E=1024*1024;C=Math.max(C,B*(B<E?2:1.125)>>>0),B!=0&&(C=Math.max(C,256));var w=A.contents;A.contents=new Uint8Array(C),A.usedBytes>0&&A.contents.set(w.subarray(0,A.usedBytes),0)}},resizeFileStorage(A,C){if(A.usedBytes!=C)if(C==0)A.contents=null,A.usedBytes=0;else{var 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A.contents[C],A.ctime=A.mtime=Date.now()},rmdir(A,C){var B=D.lookupNode(A,C);for(var E in B.contents)throw new D.ErrnoError(55);delete A.contents[C],A.ctime=A.mtime=Date.now()},readdir(A){return[".","..",...Object.keys(A.contents)]},symlink(A,C,B){var E=V.createNode(A,C,41471,0);return E.link=B,E},readlink(A){if(!D.isLink(A.mode))throw new D.ErrnoError(28);return A.link}},stream_ops:{read(A,C,B,E,w){var K=A.node.contents;if(w>=A.node.usedBytes)return 0;var Y=Math.min(A.node.usedBytes-w,E);if(Y>8&&K.subarray)C.set(K.subarray(w,w+Y),B);else for(var k=0;k<Y;k++)C[B+k]=K[w+k];return Y},write(A,C,B,E,w,K){if(C.buffer===x.buffer&&(K=!1),!E)return 0;var Y=A.node;if(Y.mtime=Y.ctime=Date.now(),C.subarray&&(!Y.contents||Y.contents.subarray)){if(K)return Y.contents=C.subarray(B,B+E),Y.usedBytes=E,E;if(Y.usedBytes===0&&w===0)return Y.contents=C.slice(B,B+E),Y.usedBytes=E,E;if(w+E<=Y.usedBytes)return Y.contents.set(C.subarray(B,B+E),w),E}if(V.expandFileStorage(Y,w+E),Y.contents.subarray&&C.subarray)Y.contents.set(C.subarray(B,B+E),w);else for(var k=0;k<E;k++)Y.contents[w+k]=C[B+k];return Y.usedBytes=Math.max(Y.usedBytes,w+E),E},llseek(A,C,B){var E=C;if(B===1?E+=A.position:B===2&&D.isFile(A.node.mode)&&(E+=A.node.usedBytes),E<0)throw new D.ErrnoError(28);return E},allocate(A,C,B){V.expandFileStorage(A.node,C+B),A.node.usedBytes=Math.max(A.node.usedBytes,C+B)},mmap(A,C,B,E,w){if(!D.isFile(A.node.mode))throw new D.ErrnoError(43);var K,Y,k=A.node.contents;if(!(w&2)&&k&&k.buffer===x.buffer)Y=!1,K=k.byteOffset;else{if(Y=!0,K=Yg(),!K)throw new D.ErrnoError(48);k&&((B>0||B+C<k.length)&&(k.subarray?k=k.subarray(B,B+C):k=Array.prototype.slice.call(k,B,B+C)),x.set(k,K))}return{ptr:K,allocated:Y}},msync(A,C,B,E,w){return V.stream_ops.write(A,C,0,E,B,!1),0}}},ng=async A=>{var C=await s(A);return new Uint8Array(C)},Xg=(A,C,B,E,w,K)=>{D.createDataFile(A,C,B,E,w,K)},_g=I.preloadPlugins||[],$g=(A,C,B,E)=>{typeof Browser<"u"&&Browser.init();var w=!1;return _g.forEach(K=>{w||K.canHandle(C)&&(K.handle(A,C,B,E),w=!0)}),w},AC=(A,C,B,E,w,K,Y,k,R,H)=>{var L=C?JA.resolve(r.join2(A,C)):A;function q(p){function O(v){H==null||H(),k||Xg(A,C,v,E,w,R),K==null||K(),rA()}$g(p,L,O,()=>{Y==null||Y(),rA()})||O(p)}Bg(),typeof B=="string"?ng(B).then(q,Y):q(B)},GQ=A=>{var C={r:0,"r+":2,w:577,"w+":578,a:1089,"a+":1090},B=C[A];if(typeof B>"u")throw new Error(`Unknown file open mode: ${A}`);return B},gC=(A,C)=>{var B=0;return A&&(B|=365),C&&(B|=146),B},D={root:null,mounts:[],devices:{},streams:[],nextInode:1,nameTable:null,currentPath:"/",initialized:!1,ignorePermissions:!0,ErrnoError:class{constructor(A){n(this,"name","ErrnoError");this.errno=A}},filesystems:null,syncFSRequests:0,readFiles:{},FSStream:class{constructor(){n(this,"shared",{})}get object(){return this.node}set object(A){this.node=A}get 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D.ErrnoError(44);C.follow_mount??(C.follow_mount=!0),r.isAbs(A)||(A=D.cwd()+"/"+A);A:for(var B=0;B<40;B++){for(var E=A.split("/").filter(H=>!!H),w=D.root,K="/",Y=0;Y<E.length;Y++){var k=Y===E.length-1;if(k&&C.parent)break;if(E[Y]!=="."){if(E[Y]===".."){K=r.dirname(K),w=w.parent;continue}K=r.join2(K,E[Y]);try{w=D.lookupNode(w,E[Y])}catch(H){if((H==null?void 0:H.errno)===44&&k&&C.noent_okay)return{path:K};throw H}if(D.isMountpoint(w)&&(!k||C.follow_mount)&&(w=w.mounted.root),D.isLink(w.mode)&&(!k||C.follow)){if(!w.node_ops.readlink)throw new D.ErrnoError(52);var R=w.node_ops.readlink(w);r.isAbs(R)||(R=r.dirname(K)+"/"+R),A=R+"/"+E.slice(Y+1).join("/");continue A}}}return{path:K,node:w}}throw new D.ErrnoError(32)},getPath(A){for(var C;;){if(D.isRoot(A)){var B=A.mount.mountpoint;return C?B[B.length-1]!=="/"?`${B}/${C}`:B+C:B}C=C?`${A.name}/${C}`:A.name,A=A.parent}},hashName(A,C){for(var B=0,E=0;E<C.length;E++)B=(B<<5)-B+C.charCodeAt(E)|0;return(A+B>>>0)%D.nameTable.length},hashAddNode(A){var C=D.hashName(A.parent.id,A.name);A.name_next=D.nameTable[C],D.nameTable[C]=A},hashRemoveNode(A){var C=D.hashName(A.parent.id,A.name);if(D.nameTable[C]===A)D.nameTable[C]=A.name_next;else for(var B=D.nameTable[C];B;){if(B.name_next===A){B.name_next=A.name_next;break}B=B.name_next}},lookupNode(A,C){var B=D.mayLookup(A);if(B)throw new D.ErrnoError(B);for(var E=D.hashName(A.id,C),w=D.nameTable[E];w;w=w.name_next){var K=w.name;if(w.parent.id===A.id&&K===C)return w}return D.lookup(A,C)},createNode(A,C,B,E){var w=new D.FSNode(A,C,B,E);return D.hashAddNode(w),w},destroyNode(A){D.hashRemoveNode(A)},isRoot(A){return A===A.parent},isMountpoint(A){return!!A.mounted},isFile(A){return(A&61440)===32768},isDir(A){return(A&61440)===16384},isLink(A){return(A&61440)===40960},isChrdev(A){return(A&61440)===8192},isBlkdev(A){return(A&61440)===24576},isFIFO(A){return(A&61440)===4096},isSocket(A){return(A&49152)===49152},flagsToPermissionString(A){var C=["r","w","rw"][A&3];return A&512&&(C+="w"),C},nodePermissions(A,C){return D.ignorePermissions?0:C.includes("r")&&!(A.mode&292)||C.includes("w")&&!(A.mode&146)||C.includes("x")&&!(A.mode&73)?2:0},mayLookup(A){if(!D.isDir(A.mode))return 54;var C=D.nodePermissions(A,"x");return C||(A.node_ops.lookup?0:2)},mayCreate(A,C){if(!D.isDir(A.mode))return 54;try{var B=D.lookupNode(A,C);return 20}catch{}return D.nodePermissions(A,"wx")},mayDelete(A,C,B){var E;try{E=D.lookupNode(A,C)}catch(K){return K.errno}var w=D.nodePermissions(A,"wx");if(w)return w;if(B){if(!D.isDir(E.mode))return 54;if(D.isRoot(E)||D.getPath(E)===D.cwd())return 10}else if(D.isDir(E.mode))return 31;return 0},mayOpen(A,C){return A?D.isLink(A.mode)?32:D.isDir(A.mode)&&(D.flagsToPermissionString(C)!=="r"||C&576)?31:D.nodePermissions(A,D.flagsToPermissionString(C)):44},checkOpExists(A,C){if(!A)throw new D.ErrnoError(C);return A},MAX_OPEN_FDS:4096,nextfd(){for(var A=0;A<=D.MAX_OPEN_FDS;A++)if(!D.streams[A])return A;throw new D.ErrnoError(33)},getStreamChecked(A){var C=D.getStream(A);if(!C)throw new D.ErrnoError(8);return C},getStream:A=>D.streams[A],createStream(A,C=-1){return A=Object.assign(new D.FSStream,A),C==-1&&(C=D.nextfd()),A.fd=C,D.streams[C]=A,A},closeStream(A){D.streams[A]=null},dupStream(A,C=-1){var E,w;var B=D.createStream(A,C);return(w=(E=B.stream_ops)==null?void 0:E.dup)==null||w.call(E,B),B},doSetAttr(A,C,B){var E=A==null?void 0:A.stream_ops.setattr,w=E?A:C;E??(E=C.node_ops.setattr),D.checkOpExists(E,63),E(w,B)},chrdev_stream_ops:{open(A){var B,E;var C=D.getDevice(A.node.rdev);A.stream_ops=C.stream_ops,(E=(B=A.stream_ops).open)==null||E.call(B,A)},llseek(){throw new D.ErrnoError(70)}},major:A=>A>>8,minor:A=>A&255,makedev:(A,C)=>A<<8|C,registerDevice(A,C){D.devices[A]={stream_ops:C}},getDevice:A=>D.devices[A],getMounts(A){for(var C=[],B=[A];B.length;){var E=B.pop();C.push(E),B.push(...E.mounts)}return C},syncfs(A,C){typeof A=="function"&&(C=A,A=!1),D.syncFSRequests++,D.syncFSRequests>1&&Z(`warning: ${D.syncFSRequests} FS.syncfs operations in flight at once, probably just doing extra work`);var B=D.getMounts(D.root.mount),E=0;function w(Y){return D.syncFSRequests--,C(Y)}function K(Y){if(Y)return K.errored?void 0:(K.errored=!0,w(Y));++E>=B.length&&w(null)}B.forEach(Y=>{if(!Y.type.syncfs)return K(null);Y.type.syncfs(Y,A,K)})},mount(A,C,B){var E=B==="/",w=!B,K;if(E&&D.root)throw new D.ErrnoError(10);if(!E&&!w){var Y=D.lookupPath(B,{follow_mount:!1});if(B=Y.path,K=Y.node,D.isMountpoint(K))throw new D.ErrnoError(10);if(!D.isDir(K.mode))throw new D.ErrnoError(54)}var k={type:A,opts:C,mountpoint:B,mounts:[]},R=A.mount(k);return R.mount=k,k.root=R,E?D.root=R:K&&(K.mounted=k,K.mount&&K.mount.mounts.push(k)),R},unmount(A){var C=D.lookupPath(A,{follow_mount:!1});if(!D.isMountpoint(C.node))throw new D.ErrnoError(28);var B=C.node,E=B.mounted,w=D.getMounts(E);Object.keys(D.nameTable).forEach(Y=>{for(var k=D.nameTable[Y];k;){var R=k.name_next;w.includes(k.mount)&&D.destroyNode(k),k=R}}),B.mounted=null;var K=B.mount.mounts.indexOf(E);B.mount.mounts.splice(K,1)},lookup(A,C){return A.node_ops.lookup(A,C)},mknod(A,C,B){var E=D.lookupPath(A,{parent:!0}),w=E.node,K=r.basename(A);if(!K)throw new D.ErrnoError(28);if(K==="."||K==="..")throw new D.ErrnoError(20);var Y=D.mayCreate(w,K);if(Y)throw new D.ErrnoError(Y);if(!w.node_ops.mknod)throw new D.ErrnoError(63);return w.node_ops.mknod(w,K,C,B)},statfs(A){return D.statfsNode(D.lookupPath(A,{follow:!0}).node)},statfsStream(A){return D.statfsNode(A.node)},statfsNode(A){var C={bsize:4096,frsize:4096,blocks:1e6,bfree:5e5,bavail:5e5,files:D.nextInode,ffree:D.nextInode-1,fsid:42,flags:2,namelen:255};return A.node_ops.statfs&&Object.assign(C,A.node_ops.statfs(A.mount.opts.root)),C},create(A,C=438){return C&=4095,C|=32768,D.mknod(A,C,0)},mkdir(A,C=511){return C&=1023,C|=16384,D.mknod(A,C,0)},mkdirTree(A,C){for(var B=A.split("/"),E="",w=0;w<B.length;++w)if(B[w]){E+="/"+B[w];try{D.mkdir(E,C)}catch(K){if(K.errno!=20)throw K}}},mkdev(A,C,B){return typeof B>"u"&&(B=C,C=438),C|=8192,D.mknod(A,C,B)},symlink(A,C){if(!JA.resolve(A))throw new D.ErrnoError(44);var B=D.lookupPath(C,{parent:!0}),E=B.node;if(!E)throw new D.ErrnoError(44);var w=r.basename(C),K=D.mayCreate(E,w);if(K)throw new D.ErrnoError(K);if(!E.node_ops.symlink)throw new D.ErrnoError(63);return E.node_ops.symlink(E,w,A)},rename(A,C){var B=r.dirname(A),E=r.dirname(C),w=r.basename(A),K=r.basename(C),Y,k,R;if(Y=D.lookupPath(A,{parent:!0}),k=Y.node,Y=D.lookupPath(C,{parent:!0}),R=Y.node,!k||!R)throw new D.ErrnoError(44);if(k.mount!==R.mount)throw new D.ErrnoError(75);var H=D.lookupNode(k,w),L=JA.relative(A,E);if(L.charAt(0)!==".")throw new D.ErrnoError(28);if(L=JA.relative(C,B),L.charAt(0)!==".")throw new D.ErrnoError(55);var q;try{q=D.lookupNode(R,K)}catch{}if(H!==q){var p=D.isDir(H.mode),O=D.mayDelete(k,w,p);if(O)throw new D.ErrnoError(O);if(O=q?D.mayDelete(R,K,p):D.mayCreate(R,K),O)throw new D.ErrnoError(O);if(!k.node_ops.rename)throw new D.ErrnoError(63);if(D.isMountpoint(H)||q&&D.isMountpoint(q))throw new D.ErrnoError(10);if(R!==k&&(O=D.nodePermissions(k,"w"),O))throw new D.ErrnoError(O);D.hashRemoveNode(H);try{k.node_ops.rename(H,R,K),H.parent=R}catch(v){throw v}finally{D.hashAddNode(H)}}},rmdir(A){var C=D.lookupPath(A,{parent:!0}),B=C.node,E=r.basename(A),w=D.lookupNode(B,E),K=D.mayDelete(B,E,!0);if(K)throw new D.ErrnoError(K);if(!B.node_ops.rmdir)throw new D.ErrnoError(63);if(D.isMountpoint(w))throw new D.ErrnoError(10);B.node_ops.rmdir(B,E),D.destroyNode(w)},readdir(A){var C=D.lookupPath(A,{follow:!0}),B=C.node,E=D.checkOpExists(B.node_ops.readdir,54);return E(B)},unlink(A){var C=D.lookupPath(A,{parent:!0}),B=C.node;if(!B)throw new D.ErrnoError(44);var E=r.basename(A),w=D.lookupNode(B,E),K=D.mayDelete(B,E,!1);if(K)throw new D.ErrnoError(K);if(!B.node_ops.unlink)throw new D.ErrnoError(63);if(D.isMountpoint(w))throw new D.ErrnoError(10);B.node_ops.unlink(B,E),D.destroyNode(w)},readlink(A){var C=D.lookupPath(A),B=C.node;if(!B)throw new D.ErrnoError(44);if(!B.node_ops.readlink)throw new D.ErrnoError(28);return B.node_ops.readlink(B)},stat(A,C){var B=D.lookupPath(A,{follow:!C}),E=B.node,w=D.checkOpExists(E.node_ops.getattr,63);return w(E)},fstat(A){var C=D.getStreamChecked(A),B=C.node,E=C.stream_ops.getattr,w=E?C:B;return E??(E=B.node_ops.getattr),D.checkOpExists(E,63),E(w)},lstat(A){return D.stat(A,!0)},doChmod(A,C,B,E){D.doSetAttr(A,C,{mode:B&4095|C.mode&-4096,ctime:Date.now(),dontFollow:E})},chmod(A,C,B){var E;if(typeof A=="string"){var 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