@wtchen/gdal3.js/dist/package/gdal3.js

gdal3.js is a port of Gdal applications (**gdal_translate**, **ogr2ogr**, **gdal_rasterize**, **gdalwarp**, **gdaltransform**) to Webassembly. It allows you to convert raster and vector geospatial data to various formats and coordinate systems.

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e.push(t.mount.opts.root),e.reverse(),D.join.apply(null,e)},flagsForNode:function(t){t=-2097153&t&-2049&-32769&-524289&-65537;var e,r=0;for(e in S.flagsForNodeMap)t&e&&(r|=S.flagsForNodeMap[e],t^=e);if(t)throw new O.ErrnoError(28);return r},node_ops:{getattr:function(t){var e,t=S.realPath(t);try{e=i.lstatSync(t)}catch(t){if(t.code)throw new O.ErrnoError(S.convertNodeCode(t));throw t}return S.isWindows&&!e.blksize&&(e.blksize=4096),S.isWindows&&!e.blocks&&(e.blocks=(e.size+e.blksize-1)/e.blksize|0),{dev:e.dev,ino:e.ino,mode:e.mode,nlink:e.nlink,uid:e.uid,gid:e.gid,rdev:e.rdev,size:e.size,atime:e.atime,mtime:e.mtime,ctime:e.ctime,blksize:e.blksize,blocks:e.blocks}},setattr:function(t,e){var r,n=S.realPath(t);try{void 0!==e.mode&&(i.chmodSync(n,e.mode),t.mode=e.mode),void 0!==e.timestamp&&(r=new Date(e.timestamp),i.utimesSync(n,r,r)),void 0!==e.size&&i.truncateSync(n,e.size)}catch(t){if(t.code)throw new O.ErrnoError(S.convertNodeCode(t));throw t}},lookup:function(t,e){var r=D.join2(S.realPath(t),e),r=S.getMode(r);return S.createNode(t,e,r)},mknod:function(t,e,r,n){t=S.createNode(t,e,r,n),e=S.realPath(t);try{O.isDir(t.mode)?i.mkdirSync(e,t.mode):i.writeFileSync(e,"",{mode:t.mode})}catch(t){if(t.code)throw new O.ErrnoError(S.convertNodeCode(t));throw t}return t},rename:function(t,e,r){var n=S.realPath(t),e=D.join2(S.realPath(e),r);try{i.renameSync(n,e)}catch(t){if(t.code)throw new O.ErrnoError(S.convertNodeCode(t));throw t}t.name=r},unlink:function(t,e){t=D.join2(S.realPath(t),e);try{i.unlinkSync(t)}catch(t){if(t.code)throw new O.ErrnoError(S.convertNodeCode(t));throw t}},rmdir:function(t,e){t=D.join2(S.realPath(t),e);try{i.rmdirSync(t)}catch(t){if(t.code)throw new O.ErrnoError(S.convertNodeCode(t));throw t}},readdir:function(t){t=S.realPath(t);try{return i.readdirSync(t)}catch(t){if(t.code)throw new O.ErrnoError(S.convertNodeCode(t));throw t}},symlink:function(t,e,r){t=D.join2(S.realPath(t),e);try{i.symlinkSync(r,t)}catch(t){if(t.code)throw new O.ErrnoError(S.convertNodeCode(t));throw t}},readlink:function(t){var e=S.realPath(t);try{return e=i.readlinkSync(e),o.relative(o.resolve(t.mount.opts.root),e)}catch(t){if(!t.code)throw t;if("UNKNOWN"===t.code)throw new O.ErrnoError(28);throw new O.ErrnoError(S.convertNodeCode(t))}}},stream_ops:{open:function(t){var e=S.realPath(t.node);try{O.isFile(t.node.mode)&&(t.nfd=i.openSync(e,S.flagsForNode(t.flags)))}catch(t){if(t.code)throw new O.ErrnoError(S.convertNodeCode(t));throw t}},close:function(t){try{O.isFile(t.node.mode)&&t.nfd&&i.closeSync(t.nfd)}catch(t){if(t.code)throw new O.ErrnoError(S.convertNodeCode(t));throw t}},read:function(t,e,r,n,a){if(0===n)return 0;try{return i.readSync(t.nfd,Buffer.from(e.buffer),r,n,a)}catch(t){throw new O.ErrnoError(S.convertNodeCode(t))}},write:function(t,e,r,n,a){try{return i.writeSync(t.nfd,Buffer.from(e.buffer),r,n,a)}catch(t){throw new O.ErrnoError(S.convertNodeCode(t))}},llseek:function(t,e,r){if(1===r)e+=t.position;else if(2===r&&O.isFile(t.node.mode))try{e+=i.fstatSync(t.nfd).size}catch(t){throw new O.ErrnoError(S.convertNodeCode(t))}if(e<0)throw new O.ErrnoError(28);return e},mmap:function(t,e,r,n,a){if(!O.isFile(t.node.mode))throw new O.ErrnoError(43);It();return S.stream_ops.read(t,f,void 0,e,r),{ptr:void 0,allocated:!0}},msync:function(t,e,r,n,a){return S.stream_ops.write(t,e,0,n,r,!1),0}}},G={DIR_MODE:16895,FILE_MODE:33279,reader:null,mount:function(t){_(l),G.reader||(G.reader=new FileReaderSync);var i=G.createNode(null,"/",G.DIR_MODE,0),o={};function n(t){for(var e=t.split("/"),r=i,n=0;n<e.length-1;n++){var a=e.slice(0,n+1).join("/");o[a]||(o[a]=G.createNode(r,e[n],G.DIR_MODE,0)),r=o[a]}return r}function a(t){t=t.split("/");return t[t.length-1]}return Array.prototype.forEach.call(t.opts.files||[],function(t){G.createNode(n(t.name),a(t.name),G.FILE_MODE,0,t,t.lastModifiedDate)}),(t.opts.blobs||[]).forEach(function(t){G.createNode(n(t.name),a(t.name),G.FILE_MODE,0,t.data)}),(t.opts.packages||[]).forEach(function(r){r.metadata.files.forEach(function(t){var e=t.filename.substr(1);G.createNode(n(e),a(e),G.FILE_MODE,0,r.blob.slice(t.start,t.end))})}),i},createNode:function(t,e,r,n,a,i){var o=O.createNode(t,e,r);return o.mode=r,o.node_ops=G.node_ops,o.stream_ops=G.stream_ops,o.timestamp=(i||new Date).getTime(),_(G.FILE_MODE!==G.DIR_MODE),r===G.FILE_MODE?(o.size=a.size,o.contents=a):(o.size=4096,o.contents={}),t&&(t.contents[e]=o),o},node_ops:{getattr:function(t){return{dev:1,ino:t.id,mode:t.mode,nlink:1,uid:0,gid:0,rdev:void 0,size:t.size,atime:new Date(t.timestamp),mtime:new Date(t.timestamp),ctime:new Date(t.timestamp),blksize:4096,blocks:Math.ceil(t.size/4096)}},setattr:function(t,e){void 0!==e.mode&&(t.mode=e.mode),void 0!==e.timestamp&&(t.timestamp=e.timestamp)},lookup:function(t,e){throw new O.ErrnoError(44)},mknod:function(t,e,r,n){throw new O.ErrnoError(63)},rename:function(t,e,r){throw new O.ErrnoError(63)},unlink:function(t,e){throw new O.ErrnoError(63)},rmdir:function(t,e){throw new O.ErrnoError(63)},readdir:function(t){var e,r=[".",".."];for(e in t.contents)t.contents.hasOwnProperty(e)&&r.push(e);return r},symlink:function(t,e,r){throw new O.ErrnoError(63)}},stream_ops:{read:function(t,e,r,n,a){if(a>=t.node.size)return 0;t=t.node.contents.slice(a,a+n),a=G.reader.readAsArrayBuffer(t);return e.set(new Uint8Array(a),r),t.size},write:function(t,e,r,n,a){throw new O.ErrnoError(29)},llseek:function(t,e,r){if(1===r?e+=t.position:2===r&&O.isFile(t.node.mode)&&(e+=t.node.size),e<0)throw new O.ErrnoError(28);return e}}},O={root:null,mounts:[],devices:{},streams:[],nextInode:1,nameTable:null,currentPath:"/",initialized:!1,ignorePermissions:!0,ErrnoError:null,genericErrors:{},filesystems:null,syncFSRequests:0,lookupPath:function(t){var e=1<arguments.length&&void 0!==arguments[1]?arguments[1]:{};if(!(t=A.resolve(t)))return{path:"",node:null};if(8<(e=Object.assign({follow_mount:!0,recurse_count:0},e)).recurse_count)throw new O.ErrnoError(32);for(var r=t.split("/").filter(function(t){return!!t}),n=O.root,a="/",i=0;i<r.length;i++){var o=i===r.length-1;if(o&&e.parent)break;if(n=O.lookupNode(n,r[i]),a=D.join2(a,r[i]),!O.isMountpoint(n)||o&&!e.follow_mount||(n=n.mounted.root),!o||e.follow)for(var s=0;O.isLink(n.mode);){var u=O.readlink(a),a=A.resolve(D.dirname(a),u),n=O.lookupPath(a,{recurse_count:e.recurse_count+1}).node;if(40<s++)throw new O.ErrnoError(32)}}return{path:a,node:n}},getPath:function(t){for(var e,r;;){if(O.isRoot(t))return r=t.mount.mountpoint,e?"/"!==r[r.length-1]?r+"/"+e:r+e:r;e=e?t.name+"/"+e:t.name,t=t.parent}},hashName:function(t,e){for(var r=0,n=0;n<e.length;n++)r=(r<<5)-r+e.charCodeAt(n)|0;return(t+r>>>0)%O.nameTable.length},hashAddNode:function(t){var e=O.hashName(t.parent.id,t.name);t.name_next=O.nameTable[e],O.nameTable[e]=t},hashRemoveNode:function(t){var e=O.hashName(t.parent.id,t.name);if(O.nameTable[e]===t)O.nameTable[e]=t.name_next;else for(var r=O.nameTable[e];r;){if(r.name_next===t){r.name_next=t.name_next;break}r=r.name_next}},lookupNode:function(t,e){var r=O.mayLookup(t);if(r)throw new O.ErrnoError(r,t);for(var r=O.hashName(t.id,e),n=O.nameTable[r];n;n=n.name_next){var a=n.name;if(n.parent.id===t.id&&a===e)return n}return O.lookup(t,e)},createNode:function(t,e,r,n){t=new O.FSNode(t,e,r,n);return O.hashAddNode(t),t},destroyNode:function(t){O.hashRemoveNode(t)},isRoot:function(t){return t===t.parent},isMountpoint:function(t){return!!t.mounted},isFile:function(t){return 32768==(61440&t)},isDir:function(t){return 16384==(61440&t)},isLink:function(t){return 40960==(61440&t)},isChrdev:function(t){return 8192==(61440&t)},isBlkdev:function(t){return 24576==(61440&t)},isFIFO:function(t){return 4096==(61440&t)},isSocket:function(t){return 49152==(49152&t)},flagModes:{r:0,"r+":2,w:577,"w+":578,a:1089,"a+":1090},modeStringToFlags:function(t){var e=O.flagModes[t];if(void 0===e)throw new Error("Unknown file open mode: "+t);return e},flagsToPermissionString:function(t){var e=["r","w","rw"][3&t];return 512&t&&(e+="w"),e},nodePermissions:function(t,e){return O.ignorePermissions||(!e.includes("r")||292&t.mode)&&(!e.includes("w")||146&t.mode)&&(!e.includes("x")||73&t.mode)?0:2},mayLookup:function(t){var e=O.nodePermissions(t,"x");return e||(t.node_ops.lookup?0:2)},mayCreate:function(t,e){try{O.lookupNode(t,e);return 20}catch(t){}return O.nodePermissions(t,"wx")},mayDelete:function(t,e,r){var n;try{n=O.lookupNode(t,e)}catch(t){return t.errno}e=O.nodePermissions(t,"wx");if(e)return e;if(r){if(!O.isDir(n.mode))return 54;if(O.isRoot(n)||O.getPath(n)===O.cwd())return 10}else if(O.isDir(n.mode))return 31;return 0},mayOpen:function(t,e){return t?O.isLink(t.mode)?32:O.isDir(t.mode)&&("r"!==O.flagsToPermissionString(e)||512&e)?31:O.nodePermissions(t,O.flagsToPermissionString(e)):44},MAX_OPEN_FDS:4096,nextfd:function(){for(var t=0<arguments.length&&void 0!==arguments[0]?arguments[0]:0,e=1<arguments.length&&void 0!==arguments[1]?arguments[1]:O.MAX_OPEN_FDS,r=t;r<=e;r++)if(!O.streams[r])return r;throw new O.ErrnoError(33)},getStream:function(t){return O.streams[t]},createStream:function(t,e,r){O.FSStream||(O.FSStream=function(){this.shared={}},O.FSStream.prototype={},Object.defineProperties(O.FSStream.prototype,{object:{get:function(){return this.node},set:function(t){this.node=t}},isRead:{get:function(){return 1!=(2097155&this.flags)}},isWrite:{get:function(){return 0!=(2097155&this.flags)}},isAppend:{get:function(){return 1024&this.flags}},flags:{get:function(){return this.shared.flags},set:function(t){this.shared.flags=t}},position:{get:function(){return this.shared.position},set:function(t){this.shared.position=t}}})),t=Object.assign(new O.FSStream,t);e=O.nextfd(e,r);return t.fd=e,O.streams[e]=t},closeStream:function(t){O.streams[t]=null},chrdev_stream_ops:{open:function(t){var e=O.getDevice(t.node.rdev);t.stream_ops=e.stream_ops,t.stream_ops.open&&t.stream_ops.open(t)},llseek:function(){throw new O.ErrnoError(70)}},major:function(t){return t>>8},minor:function(t){return 255&t},makedev:function(t,e){return t<<8|e},registerDevice:function(t,e){O.devices[t]={stream_ops:e}},getDevice:function(t){return O.devices[t]},getMounts:function(t){for(var e=[],r=[t];r.length;){var n=r.pop();e.push(n),r.push.apply(r,n.mounts)}return e},syncfs:function(e,r){"function"==typeof e&&(r=e,e=!1),O.syncFSRequests++,1<O.syncFSRequests&&y("warning: "+O.syncFSRequests+" FS.syncfs operations in flight at once, probably just 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r=e.name_next;n.includes(e.mount)&&O.destroyNode(e),e=r}}),t.mounted=null,t.mount.mounts.indexOf(e));t.mount.mounts.splice(e,1)},lookup:function(t,e){return t.node_ops.lookup(t,e)},mknod:function(t,e,r){var n=O.lookupPath(t,{parent:!0}).node,t=D.basename(t);if(!t||"."===t||".."===t)throw new O.ErrnoError(28);var a=O.mayCreate(n,t);if(a)throw new O.ErrnoError(a);if(n.node_ops.mknod)return n.node_ops.mknod(n,t,e,r);throw new O.ErrnoError(63)},create:function(t,e){return O.mknod(t,e=(e=void 0!==e?e:438)&4095|32768,0)},mkdir:function(t,e){return O.mknod(t,e=(e=void 0!==e?e:511)&1023|16384,0)},mkdirTree:function(t,e){for(var r=t.split("/"),n="",a=0;a<r.length;++a)if(r[a]){n+="/"+r[a];try{O.mkdir(n,e)}catch(t){if(20!=t.errno)throw t}}},mkdev:function(t,e,r){return void 0===r&&(r=e,e=438),O.mknod(t,e|=8192,r)},symlink:function(t,e){if(!A.resolve(t))throw new O.ErrnoError(44);var r=O.lookupPath(e,{parent:!0}).node;if(!r)throw new O.ErrnoError(44);var e=D.basename(e),n=O.mayCreate(r,e);if(n)throw new O.ErrnoError(n);if(r.node_ops.symlink)return r.node_ops.symlink(r,e,t);throw new O.ErrnoError(63)},rename:function(t,e){var r=D.dirname(t),n=D.dirname(e),a=D.basename(t),i=D.basename(e),o=O.lookupPath(t,{parent:!0}),o=o.node,s=O.lookupPath(e,{parent:!0}).node;if(!o||!s)throw new O.ErrnoError(44);if(o.mount!==s.mount)throw new O.ErrnoError(75);var u,c=O.lookupNode(o,a),t=A.relative(t,n);if("."!==t.charAt(0))throw new O.ErrnoError(28);if("."!==(t=A.relative(e,r)).charAt(0))throw new O.ErrnoError(55);try{u=O.lookupNode(s,i)}catch(t){}if(c!==u){n=O.isDir(c.mode),e=O.mayDelete(o,a,n);if(e)throw new O.ErrnoError(e);if(e=u?O.mayDelete(s,i,n):O.mayCreate(s,i))throw new O.ErrnoError(e);if(!o.node_ops.rename)throw new O.ErrnoError(63);if(O.isMountpoint(c)||u&&O.isMountpoint(u))throw new O.ErrnoError(10);if(s!==o&&(e=O.nodePermissions(o,"w")))throw new O.ErrnoError(e);O.hashRemoveNode(c);try{o.node_ops.rename(c,s,i)}catch(t){throw t}finally{O.hashAddNode(c)}}},rmdir:function(t){var e=O.lookupPath(t,{parent:!0}).node,t=D.basename(t),r=O.lookupNode(e,t),n=O.mayDelete(e,t,!0);if(n)throw new O.ErrnoError(n);if(!e.node_ops.rmdir)throw new O.ErrnoError(63);if(O.isMountpoint(r))throw new O.ErrnoError(10);e.node_ops.rmdir(e,t),O.destroyNode(r)},readdir:function(t){t=O.lookupPath(t,{follow:!0}).node;if(t.node_ops.readdir)return t.node_ops.readdir(t);throw new O.ErrnoError(54)},unlink:function(t){var e=O.lookupPath(t,{parent:!0}).node;if(!e)throw new O.ErrnoError(44);var t=D.basename(t),r=O.lookupNode(e,t),n=O.mayDelete(e,t,!1);if(n)throw new O.ErrnoError(n);if(!e.node_ops.unlink)throw new O.ErrnoError(63);if(O.isMountpoint(r))throw new O.ErrnoError(10);e.node_ops.unlink(e,t),O.destroyNode(r)},readlink:function(t){t=O.lookupPath(t).node;if(!t)throw new O.ErrnoError(44);if(t.node_ops.readlink)return A.resolve(O.getPath(t.parent),t.node_ops.readlink(t));throw new O.ErrnoError(28)},stat:function(t,e){t=O.lookupPath(t,{follow:!e}).node;if(!t)throw new O.ErrnoError(44);if(t.node_ops.getattr)return t.node_ops.getattr(t);throw new O.ErrnoError(63)},lstat:function(t){return O.stat(t,!0)},chmod:function(t,e,r){if(!(r="string"==typeof t?O.lookupPath(t,{follow:!r}).node:t).node_ops.setattr)throw new O.ErrnoError(63);r.node_ops.setattr(r,{mode:4095&e|-4096&r.mode,timestamp:Date.now()})},lchmod:function(t,e){O.chmod(t,e,!0)},fchmod:function(t,e){t=O.getStream(t);if(!t)throw new O.ErrnoError(8);O.chmod(t.node,e)},chown:function(t,e,r,n){if(!(n="string"==typeof t?O.lookupPath(t,{follow:!n}).node:t).node_ops.setattr)throw new O.ErrnoError(63);n.node_ops.setattr(n,{timestamp:Date.now()})},lchown:function(t,e,r){O.chown(t,e,r,!0)},fchown:function(t,e,r){t=O.getStream(t);if(!t)throw new O.ErrnoError(8);O.chown(t.node,e,r)},truncate:function(t,e){if(e<0)throw new O.ErrnoError(28);if(!(t="string"==typeof t?O.lookupPath(t,{follow:!0}).node:t).node_ops.setattr)throw new O.ErrnoError(63);if(O.isDir(t.mode))throw new O.ErrnoError(31);if(!O.isFile(t.mode))throw new O.ErrnoError(28);var r=O.nodePerm