@mlightcad/libredwg-converter
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The `libredwg-converter` package provides a DWG file converter for the RealDWG-Web ecosystem, enabling reading and conversion of DWG files into the AutoCAD-like drawing database structure. It is based on the [LibreDWG](https://www.gnu.org/software/libredw
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JavaScript
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import { AcCmColor, AcDbBatchProcessing, AcDbBlockTableRecord, AcDbDatabaseConverter, AcDbDimStyleTableRecord, AcDbLayerTableRecord, AcDbLayout, AcDbLinetypeTableRecord, AcDbRasterImageDef, AcDbTextStyleTableRecord, AcDbViewportTableRecord, ByLayer, createWorkerApi, DEFAULT_TEXT_STYLE, VPORT_FALLBACK_CENTER_2D, VPORT_FALLBACK_LLC, VPORT_FALLBACK_URC, VPORT_FALLBACK_VIEW_DIR, VPORT_FALLBACK_VIEW_TARGET } from '@mlightcad/data-model';
import { AcDbEntityConverter } from './AcDbEntitiyConverter';
var MODEL_SPACE = '*MODEL_SPACE';
/**
* Database converter for DWG files based on [libredwg-web](https://github.com/mlight-lee/libredwg-web).
*/
var AcDbLibreDwgConverter = /** @class */ (function (_super) {
__extends(AcDbLibreDwgConverter, _super);
function AcDbLibreDwgConverter(config) {
if (config === void 0) { config = {}; }
var _this = _super.call(this, config) || this;
config.useWorker = true;
if (!config.parserWorkerUrl) {
config.parserWorkerUrl = '/assets/libredwg-parser-worker.js';
}
return _this;
}
AcDbLibreDwgConverter.prototype.parse = function (data, timeout) {
return __awaiter(this, void 0, void 0, function () {
var effectiveConfig, resolvedTimeout, api, result;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
effectiveConfig = this.config;
resolvedTimeout = this.getParserWorkerTimeout(data, timeout);
if (!(effectiveConfig.useWorker && effectiveConfig.parserWorkerUrl)) return [3 /*break*/, 2];
api = createWorkerApi({
workerUrl: effectiveConfig.parserWorkerUrl,
timeout: resolvedTimeout,
// One concurrent worker needed for parser
maxConcurrentWorkers: 1
});
return [4 /*yield*/, api.execute(data)
// Release worker
];
case 1:
result = _a.sent();
// Release worker
api.destroy();
if (result.success) {
return [2 /*return*/, result.data];
}
else {
throw new Error("Failed to parse drawing due to error: '".concat(result.error, "'"));
}
return [3 /*break*/, 3];
case 2: throw new Error('dwg converter can run in web worker only!');
case 3: return [2 /*return*/];
}
});
});
};
/**
* Gets all of fonts used by entities in model space and paper space
* @param dwg dwg database model
* @returns Returns all of fonts used by entities in model space and paper space
*/
AcDbLibreDwgConverter.prototype.getFonts = function (dwg) {
// Build block map. The key is block name.
var blockMap = new Map();
dwg.tables.BLOCK_RECORD.entries.forEach(function (btr) {
blockMap.set(btr.name, btr);
});
// Build text style map. The key is text style name, and the value is font name list.
var styleMap = new Map();
var getFontName = function (fontFileName) {
if (fontFileName) {
var lastDotIndex = fontFileName.lastIndexOf('.');
if (lastDotIndex >= 0) {
return fontFileName.substring(0, lastDotIndex).toLowerCase();
}
else {
return fontFileName.toLowerCase();
}
}
};
dwg.tables.STYLE.entries.forEach(function (style) {
var fontNames = [];
var fontName = getFontName(style.font);
if (fontName)
fontNames.push(fontName);
fontName = getFontName(style.bigFont);
if (fontName)
fontNames.push(fontName);
styleMap.set(style.name, fontNames);
});
var fonts = new Set();
this.getFontsInBlock(dwg.entities, blockMap, styleMap, fonts);
return Array.from(fonts);
};
/**
* Iterate entities in model space to get fonts used by text, mtext and insert entities
*/
AcDbLibreDwgConverter.prototype.getFontsInBlock = function (entities, blockMap, styleMap, fonts) {
var _this = this;
var regex = /\\f(.*?)\|/g;
entities.forEach(function (entity) {
if (entity.type == 'MTEXT') {
var mtext = entity;
__spreadArray([], __read(mtext.text.matchAll(regex)), false).forEach(function (match) {
fonts.add(match[1].toLowerCase());
});
var fontNames = styleMap.get(mtext.styleName);
fontNames === null || fontNames === void 0 ? void 0 : fontNames.forEach(function (name) { return fonts.add(name); });
}
else if (entity.type == 'TEXT') {
var text = entity;
var fontNames = styleMap.get(text.styleName);
fontNames === null || fontNames === void 0 ? void 0 : fontNames.forEach(function (name) { return fonts.add(name); });
}
else if (entity.type == 'MULTILEADER' || entity.type == 'MLEADER') {
var mleader = entity;
var textContent = mleader.textContent;
var text = typeof (textContent === null || textContent === void 0 ? void 0 : textContent.text) === 'string' ? textContent.text : '';
__spreadArray([], __read(text.matchAll(regex)), false).forEach(function (match) {
fonts.add(match[1].toLowerCase());
});
var styleName = typeof (textContent === null || textContent === void 0 ? void 0 : textContent.styleName) === 'string'
? textContent.styleName
: typeof mleader.textStyleName === 'string'
? mleader.textStyleName
: typeof mleader.styleName === 'string'
? mleader.styleName
: undefined;
var fontNames = styleName ? styleMap.get(styleName) : undefined;
fontNames === null || fontNames === void 0 ? void 0 : fontNames.forEach(function (name) { return fonts.add(name); });
}
else if (entity.type == 'INSERT') {
var insert = entity;
var block = blockMap.get(insert.name);
if (block)
_this.getFontsInBlock(block.entities, blockMap, styleMap, fonts);
}
});
};
AcDbLibreDwgConverter.prototype.processLineTypes = function (model, db) {
var _this = this;
var lineTypes = model.tables.LTYPE.entries;
lineTypes.forEach(function (item) {
var lineType = {
name: item.name,
description: item.description,
standardFlag: item.standardFlag,
totalPatternLength: item.totalPatternLength,
pattern: item.pattern
};
var record = new AcDbLinetypeTableRecord(lineType);
_this.processCommonTableEntryAttrs(item, record);
record.name = item.name;
db.tables.linetypeTable.add(record);
});
};
AcDbLibreDwgConverter.prototype.processTextStyles = function (model, db) {
var _this = this;
var textStyles = model.tables.STYLE.entries;
textStyles.forEach(function (item) {
var record = new AcDbTextStyleTableRecord(item);
_this.processCommonTableEntryAttrs(item, record);
db.tables.textStyleTable.add(record);
});
db.ensureTextStyleDefaults();
};
AcDbLibreDwgConverter.prototype.processDimStyles = function (model, db) {
var _this = this;
var dimStyles = model.tables.DIMSTYLE.entries;
dimStyles.forEach(function (item) {
var attrs = {
name: item.name,
ownerId: item.ownerHandle,
dimpost: item.DIMPOST || '',
dimapost: item.DIMAPOST || '',
dimscale: item.DIMSCALE,
dimasz: item.DIMASZ,
dimexo: item.DIMEXO,
dimdli: item.DIMDLI,
dimexe: item.DIMEXE,
dimrnd: item.DIMRND,
dimdle: item.DIMDLE,
dimtp: item.DIMTP,
dimtm: item.DIMTM,
dimtxt: item.DIMTXT,
dimcen: item.DIMCEN,
dimtsz: item.DIMTSZ,
dimaltf: item.DIMALTF,
dimlfac: item.DIMLFAC,
dimtvp: item.DIMTVP,
dimtfac: item.DIMTFAC,
dimgap: item.DIMGAP,
dimaltrnd: item.DIMALTRND,
dimtol: item.DIMTOL == null || item.DIMTOL == 0 ? 0 : 1,
dimlim: item.DIMLIM == null || item.DIMLIM == 0 ? 0 : 1,
dimtih: item.DIMTIH == null || item.DIMTIH == 0 ? 0 : 1,
dimtoh: item.DIMTOH == null || item.DIMTOH == 0 ? 0 : 1,
dimse1: item.DIMSE1 == null || item.DIMSE1 == 0 ? 0 : 1,
dimse2: item.DIMSE2 == null || item.DIMSE2 == 0 ? 0 : 1,
dimtad: item.DIMTAD,
dimzin: item.DIMZIN,
dimazin: item.DIMAZIN,
dimalt: item.DIMALT,
dimaltd: item.DIMALTD,
dimtofl: item.DIMTOFL,
dimsah: item.DIMSAH,
dimtix: item.DIMTIX,
dimsoxd: item.DIMSOXD,
dimclrd: item.DIMCLRD,
dimclre: item.DIMCLRE,
dimclrt: item.DIMCLRT,
dimadec: item.DIMADEC || 0,
dimunit: item.DIMUNIT || 2,
dimdec: item.DIMDEC,
dimtdec: item.DIMTDEC,
dimaltu: item.DIMALTU,
dimalttd: item.DIMALTTD,
dimaunit: item.DIMAUNIT,
dimfrac: item.DIMFRAC,
dimlunit: item.DIMLUNIT,
dimdsep: item.DIMDSEP || '.',
dimtmove: item.DIMTMOVE || 0,
dimjust: item.DIMJUST,
dimsd1: item.DIMSD1,
dimsd2: item.DIMSD2,
dimtolj: item.DIMTOLJ,
dimtzin: item.DIMTZIN,
dimaltz: item.DIMALTZ,
dimalttz: item.DIMALTTZ,
dimfit: item.DIMFIT || 0,
dimupt: item.DIMUPT,
dimatfit: item.DIMATFIT,
dimtxsty: DEFAULT_TEXT_STYLE, // TODO: Set correct value
dimldrblk: '', // TODO: Set correct value
dimblk: item.DIMBLK || '', // TODO: Set correct value
dimblk1: item.DIMBLK1 || '', // TODO: Set correct value
dimblk2: item.DIMBLK2 || '', // TODO: Set correct value
dimlwd: item.DIMLWD,
dimlwe: item.DIMLWE
};
var record = new AcDbDimStyleTableRecord(attrs);
_this.processCommonTableEntryAttrs(item, record);
db.tables.dimStyleTable.add(record);
});
};
AcDbLibreDwgConverter.prototype.processLayers = function (model, db) {
var _this = this;
var layers = model.tables.LAYER.entries;
layers.forEach(function (item) {
var color = new AcCmColor();
color.colorIndex = item.colorIndex;
var record = new AcDbLayerTableRecord({
name: item.name,
standardFlags: item.standardFlag,
linetype: item.lineType,
lineWeight: item.lineweight,
isOff: item.off,
color: color,
isPlottable: item.plotFlag != 0
});
_this.processCommonTableEntryAttrs(item, record);
db.tables.layerTable.add(record);
});
};
AcDbLibreDwgConverter.prototype.processViewports = function (model, db) {
var _this = this;
var viewports = model.tables.VPORT.entries;
viewports.forEach(function (item) {
var _a, _b, _c, _d, _e, _f;
var record = new AcDbViewportTableRecord();
_this.processCommonTableEntryAttrs(item, record);
if (item.circleSides) {
record.circleSides = item.circleSides;
}
record.standardFlag = item.standardFlag;
record.center.copy((_a = item.center) !== null && _a !== void 0 ? _a : VPORT_FALLBACK_CENTER_2D);
record.lowerLeftCorner.copy((_b = item.lowerLeftCorner) !== null && _b !== void 0 ? _b : VPORT_FALLBACK_LLC);
record.upperRightCorner.copy((_c = item.upperRightCorner) !== null && _c !== void 0 ? _c : VPORT_FALLBACK_URC);
if (item.snapBasePoint) {
record.snapBase.copy(item.snapBasePoint);
}
if (item.snapRotationAngle) {
record.snapAngle = item.snapRotationAngle;
}
if (item.snapSpacing) {
record.snapIncrements.copy(item.snapSpacing);
}
if (item.majorGridLines) {
record.gridMajor = item.majorGridLines;
}
if (item.gridSpacing) {
record.gridIncrements.copy(item.gridSpacing);
}
if (item.backgroundObjectId) {
record.backgroundObjectId = item.backgroundObjectId;
}
record.gsView.center.copy((_d = item.center) !== null && _d !== void 0 ? _d : VPORT_FALLBACK_CENTER_2D);
record.gsView.viewDirectionFromTarget.copy((_e = item.viewDirectionFromTarget) !== null && _e !== void 0 ? _e : VPORT_FALLBACK_VIEW_DIR);
record.gsView.viewTarget.copy((_f = item.viewTarget) !== null && _f !== void 0 ? _f : VPORT_FALLBACK_VIEW_TARGET);
if (item.lensLength) {
record.gsView.lensLength = item.lensLength;
}
if (item.frontClippingPlane) {
record.gsView.frontClippingPlane = item.frontClippingPlane;
}
if (item.backClippingPlane) {
record.gsView.backClippingPlane = item.backClippingPlane;
}
if (item.viewHeight) {
record.gsView.viewHeight = item.viewHeight;
}
if (item.viewTwistAngle) {
record.gsView.viewTwistAngle = item.viewTwistAngle;
}
if (item.frozenLayers) {
record.gsView.frozenLayers = item.frozenLayers;
}
if (item.styleSheet) {
record.gsView.styleSheet = item.styleSheet;
}
if (item.renderMode) {
record.gsView.renderMode = item.renderMode;
}
if (item.viewMode) {
record.gsView.viewMode = item.viewMode;
}
if (item.ucsIconSetting) {
record.gsView.ucsIconSetting = item.ucsIconSetting;
}
if (item.ucsOrigin) {
record.gsView.ucsOrigin.copy(item.ucsOrigin);
}
if (item.ucsXAxis) {
record.gsView.ucsXAxis.copy(item.ucsXAxis);
}
if (item.ucsYAxis) {
record.gsView.ucsYAxis.copy(item.ucsYAxis);
}
if (item.orthographicType) {
record.gsView.orthographicType =
item.orthographicType;
}
if (item.shadePlotSetting) {
record.gsView.shadePlotSetting = item.shadePlotSetting;
}
if (item.shadePlotObjectId) {
record.gsView.shadePlotObjectId = item.shadePlotObjectId;
}
if (item.visualStyleObjectId) {
record.gsView.visualStyleObjectId = item.visualStyleObjectId;
}
if (item.isDefaultLightingOn) {
record.gsView.isDefaultLightingOn = item.isDefaultLightingOn;
}
if (item.defaultLightingType) {
record.gsView.defaultLightingType =
item.defaultLightingType;
}
if (item.brightness) {
record.gsView.brightness = item.brightness;
}
if (item.contrast) {
record.gsView.contrast = item.contrast;
}
if (item.ambientColor) {
record.gsView.ambientColor = item.ambientColor;
}
db.tables.viewportTable.add(record);
});
};
AcDbLibreDwgConverter.prototype.processBlockTables = function (model, db) {
var _this = this;
var btrs = model.tables.BLOCK_RECORD.entries;
btrs.forEach(function (btr) {
var dbBlock = db.tables.blockTable.getAt(btr.name);
if (!dbBlock) {
dbBlock = new AcDbBlockTableRecord();
dbBlock.objectId = btr.handle;
dbBlock.name = btr.name;
dbBlock.ownerId = btr.ownerHandle;
dbBlock.origin.copy(btr.basePoint);
dbBlock.layoutId = btr.layout;
dbBlock.blockInsertUnits = btr.insertionUnits;
dbBlock.explodability = btr.explodability;
dbBlock.blockScaling = btr.scalability;
if (btr.bmpPreview) {
dbBlock.bmpPreview = btr.bmpPreview;
}
db.tables.blockTable.add(dbBlock);
}
// Don't process entities in block space until other blocks are processed
if (!dbBlock.isModelSapce && btr.entities && btr.entities.length > 0) {
_this.processEntitiesInBlock(btr.entities, dbBlock);
}
});
};
AcDbLibreDwgConverter.prototype.processBlocks = function (_model, _db) {
// Do nothing because entities are already processsed in method processBlockTables
};
AcDbLibreDwgConverter.prototype.processEntitiesInBlock = function (entities, blockTableRecord) {
return __awaiter(this, void 0, void 0, function () {
var converter, entityCount, dbEntities, i, entity, dbEntity;
return __generator(this, function (_a) {
converter = new AcDbEntityConverter();
entityCount = entities.length;
dbEntities = [];
for (i = 0; i < entityCount; i++) {
entity = entities[i];
dbEntity = converter.convert(entity);
if (dbEntity) {
dbEntities.push(dbEntity);
}
}
// Use batch append to improve performance
blockTableRecord.appendEntity(dbEntities);
return [2 /*return*/];
});
});
};
/**
* Breaks up the work into smaller chunks that are executed asynchronously. This is often referred to
* as "batch processing" or "cooperative multitasking," where the time-consuming task is broken into
* smaller pieces and executed in small intervals to allow the UI to remain responsive.
*/
AcDbLibreDwgConverter.prototype.processEntities = function (model, db, minimumChunkSize, startPercentage, progress) {
return __awaiter(this, void 0, void 0, function () {
var converter, entities, entityCount, batchProcessor, blockTableRecord;
var _this = this;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
converter = new AcDbEntityConverter();
entities = [];
model.tables.BLOCK_RECORD.entries.forEach(function (btr) {
if (_this.isModelSpace(btr.name))
entities = btr.entities;
});
entityCount = entities.length;
batchProcessor = new AcDbBatchProcessing(entityCount, 100 - startPercentage.value, minimumChunkSize);
// Groups entities by their `type` property and flattens the result into a single array.
if (this.config.convertByEntityType) {
entities = this.groupAndFlattenByType(entities);
}
blockTableRecord = db.tables.blockTable.modelSpace;
return [4 /*yield*/, batchProcessor.processChunk(function (start, end) { return __awaiter(_this, void 0, void 0, function () {
var dbEntities, i, entity, dbEntity, percentage;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
dbEntities = [];
for (i = start; i < end; i++) {
entity = entities[i];
dbEntity = converter.convert(entity);
if (dbEntity) {
dbEntities.push(dbEntity);
}
}
// Use batch append to improve performance
blockTableRecord.appendEntity(dbEntities);
if (!progress) return [3 /*break*/, 2];
percentage = startPercentage.value +
(end / entityCount) * (100 - startPercentage.value);
if (percentage > 100)
percentage = 100;
return [4 /*yield*/, progress(percentage, 'ENTITY', 'IN-PROGRESS')];
case 1:
_a.sent();
_a.label = 2;
case 2: return [2 /*return*/];
}
});
}); })];
case 1:
_a.sent();
return [2 /*return*/];
}
});
});
};
AcDbLibreDwgConverter.prototype.processHeader = function (model, db) {
var _a, _b, _c, _d, _e, _f, _g, _h, _j, _k;
var header = model.header;
// Color index 256 is 'ByLayer'
if (header.CECOLOR) {
if (header.CECOLOR.index >= 0 && header.CECOLOR.index <= 256) {
db.cecolor.colorIndex = header.CECOLOR.index;
}
else {
db.cecolor.setRGBValue(header.CECOLOR.rgb);
}
}
db.angbase = (_a = header.ANGBASE) !== null && _a !== void 0 ? _a : 0;
db.angdir = (_b = header.ANGDIR) !== null && _b !== void 0 ? _b : 0;
db.aunits = (_c = header.AUNITS) !== null && _c !== void 0 ? _c : 0;
if (header.AUPREC != null)
db.auprec = header.AUPREC;
if (header.LUNITS != null)
db.lunits = header.LUNITS;
if (header.LUPREC != null)
db.luprec = header.LUPREC;
if (header.UNITMODE != null)
db.unitmode = header.UNITMODE;
if (header.MEASUREMENT != null)
db.measurement = header.MEASUREMENT;
db.celtype = (_d = header.CELTYPE) !== null && _d !== void 0 ? _d : ByLayer;
db.celtscale = (_e = header.CELTSCALE) !== null && _e !== void 0 ? _e : 1;
db.ltscale = (_f = header.LTSCALE) !== null && _f !== void 0 ? _f : 1;
if (header.EXTMAX)
db.extmax = header.EXTMAX;
if (header.EXTMIN)
db.extmin = header.EXTMIN;
// Initial value of INSUNITS: 1 (imperial) or 4 (metric)
db.insunits = (_g = header.INSUNITS) !== null && _g !== void 0 ? _g : 1;
db.pdmode = (_h = header.PDMODE) !== null && _h !== void 0 ? _h : 0;
db.pdsize = (_j = header.PDSIZE) !== null && _j !== void 0 ? _j : 0.0;
db.textstyle = (_k = header.TEXTSTYLE) !== null && _k !== void 0 ? _k : DEFAULT_TEXT_STYLE;
};
AcDbLibreDwgConverter.prototype.processCommonTableEntryAttrs = function (entry, dbEntry) {
dbEntry.name = entry.name;
dbEntry.objectId = entry.handle;
if (entry.ownerHandle != null) {
dbEntry.ownerId = entry.ownerHandle;
}
};
AcDbLibreDwgConverter.prototype.processObjects = function (model, db) {
this.processLayouts(model, db);
this.processImageDefs(model, db);
};
AcDbLibreDwgConverter.prototype.processLayouts = function (model, db) {
var _this = this;
var layoutDict = db.objects.layout;
var layouts = model.objects.LAYOUT;
layouts.forEach(function (layout) {
var e_1, _a;
var dbLayout = new AcDbLayout();
dbLayout.layoutName = layout.layoutName;
dbLayout.tabOrder = layout.tabOrder;
// layout.paperSpaceTableId doesn't point to the block table record asscicated with
// this layout. So let's get the assocated block table record id from block table.
var btrs = db.tables.blockTable.newIterator();
dbLayout.objectId = layout.handle;
try {
for (var btrs_1 = __values(btrs), btrs_1_1 = btrs_1.next(); !btrs_1_1.done; btrs_1_1 = btrs_1.next()) {
var btr = btrs_1_1.value;
// Because the type of layout id (number) block table record and layout id (BingInt)
// in layout dictionary are different, so the converted data are used to compare.
// In the future, we will use BigInt type for object id.
if (btr.layoutId === dbLayout.objectId) {
dbLayout.blockTableRecordId = btr.objectId;
break;
}
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (btrs_1_1 && !btrs_1_1.done && (_a = btrs_1.return)) _a.call(btrs_1);
}
finally { if (e_1) throw e_1.error; }
}
// If the layout is not found in the block table due to some unknow reason,
// let's set the model space block table record id.
if (!dbLayout.blockTableRecordId) {
if (layout.layoutName === 'Model') {
dbLayout.blockTableRecordId = db.tables.blockTable.modelSpace.objectId;
}
}
dbLayout.limits.min.copy(layout.minLimit);
dbLayout.limits.max.copy(layout.maxLimit);
dbLayout.extents.min.copy(layout.minExtent);
dbLayout.extents.max.copy(layout.maxExtent);
if (layout.viewportId) {
dbLayout.viewportArray.push(layout.viewportId);
}
_this.processCommonObjectAttrs(layout, dbLayout);
layoutDict.setAt(dbLayout.layoutName, dbLayout);
});
};
AcDbLibreDwgConverter.prototype.processImageDefs = function (model, db) {
var _this = this;
var imageDefDict = db.objects.imageDefinition;
var imageDefs = model.objects.IMAGEDEF;
imageDefs.forEach(function (imageDef) {
var dbImageDef = new AcDbRasterImageDef();
dbImageDef.sourceFileName = imageDef.fileName;
_this.processCommonObjectAttrs(imageDef, dbImageDef);
imageDefDict.setAt(dbImageDef.objectId, dbImageDef);
});
};
AcDbLibreDwgConverter.prototype.processCommonObjectAttrs = function (object, dbObject) {
dbObject.objectId = object.handle;
if (object.ownerHandle != null) {
dbObject.ownerId = object.ownerHandle;
}
};
/**
* Groups entities by their `type` property and flattens the result into a single array.
*
* The order of `type` groups follows the order in which they first appear in the input array.
* Items within each group preserve their original order.
*
* This runs in O(n) time, which is generally faster than sorting when you
* don't care about alphabetical order of types.
*
* @param entities - The array of entities to group and flatten.
*
* @returns A new array of entities grouped by their `type` property.
*/
AcDbLibreDwgConverter.prototype.groupAndFlattenByType = function (entities) {
var e_2, _a;
var groups = {};
var order = [];
try {
for (var entities_1 = __values(entities), entities_1_1 = entities_1.next(); !entities_1_1.done; entities_1_1 = entities_1.next()) {
var entity = entities_1_1.value;
if (!groups[entity.type]) {
groups[entity.type] = [];
order.push(entity.type);
}
groups[entity.type].push(entity);
}
}
catch (e_2_1) { e_2 = { error: e_2_1 }; }
finally {
try {
if (entities_1_1 && !entities_1_1.done && (_a = entities_1.return)) _a.call(entities_1);
}
finally { if (e_2) throw e_2.error; }
}
return order.flatMap(function (type) { return groups[type]; });
};
AcDbLibreDwgConverter.prototype.isModelSpace = function (name) {
return name && name.toUpperCase() == MODEL_SPACE;
};
return AcDbLibreDwgConverter;
}(AcDbDatabaseConverter));
export { AcDbLibreDwgConverter };
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