@loaders.gl/flatgeobuf - npm Package Compare versions

Comparing version 3.0.0-alpha.20 to 3.0.0-alpha.21

dist/dist.es5.min.js

@@ -1,2 +0,2 @@
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Error("FlatBuffers: endObject called without startObject");this.addInt32(0);for(var t=this.offset(),e=this.vtable_in_use-1;e>=0&&0==this.vtable[e];e--);for(var r=e+1;e>=0;e--)this.addInt16(0!=this.vtable[e]?t-this.vtable[e]:0);this.addInt16(t-this.object_start);var i=(r+2)*o.SIZEOF_SHORT;this.addInt16(i);var s=0,n=this.space;t:for(e=0;e<this.vtables.length;e++){var a=this.bb.capacity()-this.vtables[e];if(i==this.bb.readInt16(a)){for(var b=o.SIZEOF_SHORT;b<i;b+=o.SIZEOF_SHORT)if(this.bb.readInt16(n+b)!=this.bb.readInt16(a+b))continue t;s=this.vtables[e];break}}return s?(this.space=this.bb.capacity()-t,this.bb.writeInt32(this.space,s-t)):(this.vtables.push(this.offset()),this.bb.writeInt32(this.bb.capacity()-t,this.offset()-t)),this.isNested=!1,t},o.Builder.prototype.finish=function(t,e,r){var i=r?o.SIZE_PREFIX_LENGTH:0;if(e){var s=e;if(this.prep(this.minalign,o.SIZEOF_INT+o.FILE_IDENTIFIER_LENGTH+i),s.length!=o.FILE_IDENTIFIER_LENGTH)throw new Error("FlatBuffers: file identifier must be 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i,s=t.charCodeAt(r++);(i=s<55296||s>=56320?s:(s<<10)+t.charCodeAt(r++)+-56613888)<128?e.push(i):(i<2048?e.push(i>>6&31|192):(i<65536?e.push(i>>12&15|224):e.push(i>>18&7|240,i>>12&63|128),e.push(i>>6&63|128)),e.push(63&i|128))}}this.addInt8(0),this.startVector(1,e.length,1),this.bb.setPosition(this.space-=e.length),r=0;for(var n=this.space,o=this.bb.bytes();r<e.length;r++)o[n++]=e[r];return this.endVector()},o.Builder.prototype.createLong=function(t,e){return o.Long.create(t,e)},o.ByteBuffer=function(t){this.bytes_=t,this.position_=0},o.ByteBuffer.allocate=function(t){return new o.ByteBuffer(new Uint8Array(t))},o.ByteBuffer.prototype.clear=function(){this.position_=0},o.ByteBuffer.prototype.bytes=function(){return this.bytes_},o.ByteBuffer.prototype.position=function(){return this.position_},o.ByteBuffer.prototype.setPosition=function(t){this.position_=t},o.ByteBuffer.prototype.capacity=function(){return this.bytes_.length},o.ByteBuffer.prototype.readInt8=function(t){return this.readUint8(t)<<24>>24},o.ByteBuffer.prototype.readUint8=function(t){return this.bytes_[t]},o.ByteBuffer.prototype.readInt16=function(t){return this.readUint16(t)<<16>>16},o.ByteBuffer.prototype.readUint16=function(t){return this.bytes_[t]|this.bytes_[t+1]<<8},o.ByteBuffer.prototype.readInt32=function(t){return this.bytes_[t]|this.bytes_[t+1]<<8|this.bytes_[t+2]<<16|this.bytes_[t+3]<<24},o.ByteBuffer.prototype.readUint32=function(t){return this.readInt32(t)>>>0},o.ByteBuffer.prototype.readInt64=function(t){return new o.Long(this.readInt32(t),this.readInt32(t+4))},o.ByteBuffer.prototype.readUint64=function(t){return new o.Long(this.readUint32(t),this.readUint32(t+4))},o.ByteBuffer.prototype.readFloat32=function(t){return o.int32[0]=this.readInt32(t),o.float32[0]},o.ByteBuffer.prototype.readFloat64=function(t){return o.int32[o.isLittleEndian?0:1]=this.readInt32(t),o.int32[o.isLittleEndian?1:0]=this.readInt32(t+4),o.float64[0]},o.ByteBuffer.prototype.writeInt8=function(t,e){this.bytes_[t]=e},o.ByteBuffer.prototype.writeUint8=function(t,e){this.bytes_[t]=e},o.ByteBuffer.prototype.writeInt16=function(t,e){this.bytes_[t]=e,this.bytes_[t+1]=e>>8},o.ByteBuffer.prototype.writeUint16=function(t,e){this.bytes_[t]=e,this.bytes_[t+1]=e>>8},o.ByteBuffer.prototype.writeInt32=function(t,e){this.bytes_[t]=e,this.bytes_[t+1]=e>>8,this.bytes_[t+2]=e>>16,this.bytes_[t+3]=e>>24},o.ByteBuffer.prototype.writeUint32=function(t,e){this.bytes_[t]=e,this.bytes_[t+1]=e>>8,this.bytes_[t+2]=e>>16,this.bytes_[t+3]=e>>24},o.ByteBuffer.prototype.writeInt64=function(t,e){this.writeInt32(t,e.low),this.writeInt32(t+4,e.high)},o.ByteBuffer.prototype.writeUint64=function(t,e){this.writeUint32(t,e.low),this.writeUint32(t+4,e.high)},o.ByteBuffer.prototype.writeFloat32=function(t,e){o.float32[0]=e,this.writeInt32(t,o.int32[0])},o.ByteBuffer.prototype.writeFloat64=function(t,e){o.float64[0]=e,this.writeInt32(t,o.int32[o.isLittleEndian?0:1]),this.writeInt32(t+4,o.int32[o.isLittleEndian?1:0])},o.ByteBuffer.prototype.getBufferIdentifier=function(){if(this.bytes_.length<this.position_+o.SIZEOF_INT+o.FILE_IDENTIFIER_LENGTH)throw new Error("FlatBuffers: ByteBuffer is too short to contain an identifier.");for(var t="",e=0;e<o.FILE_IDENTIFIER_LENGTH;e++)t+=String.fromCharCode(this.readInt8(this.position_+o.SIZEOF_INT+e));return t},o.ByteBuffer.prototype.__offset=function(t,e){var r=t-this.readInt32(t);return e<this.readInt16(r)?this.readInt16(r+e):0},o.ByteBuffer.prototype.__union=function(t,e){return t.bb_pos=e+this.readInt32(e),t.bb=this,t},o.ByteBuffer.prototype.__string=function(t,e){t+=this.readInt32(t);var r=this.readInt32(t),i="",s=0;if(t+=o.SIZEOF_INT,e===o.Encoding.UTF8_BYTES)return this.bytes_.subarray(t,t+r);for(;s<r;){var n,a=this.readUint8(t+s++);if(a<192)n=a;else{var b=this.readUint8(t+s++);if(a<224)n=(31&a)<<6|63&b;else{var d=this.readUint8(t+s++);n=a<240?(15&a)<<12|(63&b)<<6|63&d:(7&a)<<18|(63&b)<<12|(63&d)<<6|63&this.readUint8(t+s++)}}n<65536?i+=String.fromCharCode(n):(n-=65536,i+=String.fromCharCode(55296+(n>>10),56320+(1023&n)))}return i},o.ByteBuffer.prototype.__indirect=function(t){return t+this.readInt32(t)},o.ByteBuffer.prototype.__vector=function(t){return t+this.readInt32(t)+o.SIZEOF_INT},o.ByteBuffer.prototype.__vector_len=function(t){return this.readInt32(t+this.readInt32(t))},o.ByteBuffer.prototype.__has_identifier=function(t){if(t.length!=o.FILE_IDENTIFIER_LENGTH)throw new Error("FlatBuffers: file identifier must be length "+o.FILE_IDENTIFIER_LENGTH);for(var e=0;e<o.FILE_IDENTIFIER_LENGTH;e++)if(t.charCodeAt(e)!=this.readInt8(this.position_+o.SIZEOF_INT+e))return!1;return!0},o.ByteBuffer.prototype.createLong=function(t,e){return o.Long.create(t,e)},function(t){t[t.Unknown=0]="Unknown",t[t.Point=1]="Point",t[t.LineString=2]="LineString",t[t.Polygon=3]="Polygon",t[t.MultiPoint=4]="MultiPoint",t[t.MultiLineString=5]="MultiLineString",t[t.MultiPolygon=6]="MultiPolygon",t[t.GeometryCollection=7]="GeometryCollection",t[t.CircularString=8]="CircularString",t[t.CompoundCurve=9]="CompoundCurve",t[t.CurvePolygon=10]="CurvePolygon",t[t.MultiCurve=11]="MultiCurve",t[t.MultiSurface=12]="MultiSurface",t[t.Curve=13]="Curve",t[t.Surface=14]="Surface",t[t.PolyhedralSurface=15]="PolyhedralSurface",t[t.TIN=16]="TIN",t[t.Triangle=17]="Triangle"}(r||(r={})),function(t){t[t.Byte=0]="Byte",t[t.UByte=1]="UByte",t[t.Bool=2]="Bool",t[t.Short=3]="Short",t[t.UShort=4]="UShort",t[t.Int=5]="Int",t[t.UInt=6]="UInt",t[t.Long=7]="Long",t[t.ULong=8]="ULong",t[t.Float=9]="Float",t[t.Double=10]="Double",t[t.String=11]="String",t[t.Json=12]="Json",t[t.DateTime=13]="DateTime",t[t.Binary=14]="Binary"}(i||(i={}));class a{constructor(){this.bb=null,this.bb_pos=0}__init(t,e){return this.bb_pos=t,this.bb=e,this}static getRoot(t,e){return(e||new a).__init(t.readInt32(t.position())+t.position(),t)}static getSizePrefixedRoot(t,e){return t.setPosition(t.position()+o.SIZE_PREFIX_LENGTH),(e||new a).__init(t.readInt32(t.position())+t.position(),t)}name(t){var e=this.bb.__offset(this.bb_pos,4);return e?this.bb.__string(this.bb_pos+e,t):null}type(){var t=this.bb.__offset(this.bb_pos,6);return t?this.bb.readUint8(this.bb_pos+t):i.Byte}title(t){var e=this.bb.__offset(this.bb_pos,8);return e?this.bb.__string(this.bb_pos+e,t):null}description(t){var e=this.bb.__offset(this.bb_pos,10);return e?this.bb.__string(this.bb_pos+e,t):null}width(){var t=this.bb.__offset(this.bb_pos,12);return t?this.bb.readInt32(this.bb_pos+t):-1}precision(){var t=this.bb.__offset(this.bb_pos,14);return t?this.bb.readInt32(this.bb_pos+t):-1}scale(){var t=this.bb.__offset(this.bb_pos,16);return t?this.bb.readInt32(this.bb_pos+t):-1}nullable(){var t=this.bb.__offset(this.bb_pos,18);return!t||!!this.bb.readInt8(this.bb_pos+t)}unique(){var t=this.bb.__offset(this.bb_pos,20);return!!t&&!!this.bb.readInt8(this.bb_pos+t)}primaryKey(){var t=this.bb.__offset(this.bb_pos,22);return!!t&&!!this.bb.readInt8(this.bb_pos+t)}metadata(t){var e=this.bb.__offset(this.bb_pos,24);return e?this.bb.__string(this.bb_pos+e,t):null}static start(t){t.startObject(11)}static addName(t,e){t.addFieldOffset(0,e,0)}static addType(t,e){t.addFieldInt8(1,e,i.Byte)}static addTitle(t,e){t.addFieldOffset(2,e,0)}static addDescription(t,e){t.addFieldOffset(3,e,0)}static addWidth(t,e){t.addFieldInt32(4,e,-1)}static addPrecision(t,e){t.addFieldInt32(5,e,-1)}static addScale(t,e){t.addFieldInt32(6,e,-1)}static addNullable(t,e){t.addFieldInt8(7,+e,1)}static addUnique(t,e){t.addFieldInt8(8,+e,0)}static addPrimaryKey(t,e){t.addFieldInt8(9,+e,0)}static addMetadata(t,e){t.addFieldOffset(10,e,0)}static end(t){var e=t.endObject();return t.requiredField(e,4),e}static create(t,e,r,i,s,n,o,b,d,u,h,f){return a.start(t),a.addName(t,e),a.addType(t,r),a.addTitle(t,i),a.addDescription(t,s),a.addWidth(t,n),a.addPrecision(t,o),a.addScale(t,b),a.addNullable(t,d),a.addUnique(t,u),a.addPrimaryKey(t,h),a.addMetadata(t,f),a.end(t)}}class b{constructor(){this.bb=null,this.bb_pos=0}__init(t,e){return this.bb_pos=t,this.bb=e,this}static getRoot(t,e){return(e||new b).__init(t.readInt32(t.position())+t.position(),t)}static getSizePrefixedRoot(t,e){return t.setPosition(t.position()+o.SIZE_PREFIX_LENGTH),(e||new b).__init(t.readInt32(t.position())+t.position(),t)}org(t){var e=this.bb.__offset(this.bb_pos,4);return e?this.bb.__string(this.bb_pos+e,t):null}code(){var t=this.bb.__offset(this.bb_pos,6);return t?this.bb.readInt32(this.bb_pos+t):0}name(t){var e=this.bb.__offset(this.bb_pos,8);return e?this.bb.__string(this.bb_pos+e,t):null}description(t){var e=this.bb.__offset(this.bb_pos,10);return e?this.bb.__string(this.bb_pos+e,t):null}wkt(t){var e=this.bb.__offset(this.bb_pos,12);return e?this.bb.__string(this.bb_pos+e,t):null}codeString(t){var e=this.bb.__offset(this.bb_pos,14);return e?this.bb.__string(this.bb_pos+e,t):null}static start(t){t.startObject(6)}static addOrg(t,e){t.addFieldOffset(0,e,0)}static addCode(t,e){t.addFieldInt32(1,e,0)}static addName(t,e){t.addFieldOffset(2,e,0)}static addDescription(t,e){t.addFieldOffset(3,e,0)}static addWkt(t,e){t.addFieldOffset(4,e,0)}static addCodeString(t,e){t.addFieldOffset(5,e,0)}static end(t){return t.endObject()}static create(t,e,r,i,s,n,o){return b.start(t),b.addOrg(t,e),b.addCode(t,r),b.addName(t,i),b.addDescription(t,s),b.addWkt(t,n),b.addCodeString(t,o),b.end(t)}}class d{constructor(){this.bb=null,this.bb_pos=0}__init(t,e){return this.bb_pos=t,this.bb=e,this}static getRoot(t,e){return(e||new d).__init(t.readInt32(t.position())+t.position(),t)}static getSizePrefixedRoot(t,e){return t.setPosition(t.position()+o.SIZE_PREFIX_LENGTH),(e||new d).__init(t.readInt32(t.position())+t.position(),t)}name(t){var e=this.bb.__offset(this.bb_pos,4);return e?this.bb.__string(this.bb_pos+e,t):null}envelope(t){var e=this.bb.__offset(this.bb_pos,6);return e?this.bb.readFloat64(this.bb.__vector(this.bb_pos+e)+8*t):0}envelopeLength(){var t=this.bb.__offset(this.bb_pos,6);return t?this.bb.__vector_len(this.bb_pos+t):0}envelopeArray(){var t=this.bb.__offset(this.bb_pos,6);return t?new Float64Array(this.bb.bytes().buffer,this.bb.bytes().byteOffset+this.bb.__vector(this.bb_pos+t),this.bb.__vector_len(this.bb_pos+t)):null}geometryType(){var t=this.bb.__offset(this.bb_pos,8);return t?this.bb.readUint8(this.bb_pos+t):r.Unknown}hasZ(){var t=this.bb.__offset(this.bb_pos,10);return!!t&&!!this.bb.readInt8(this.bb_pos+t)}hasM(){var t=this.bb.__offset(this.bb_pos,12);return!!t&&!!this.bb.readInt8(this.bb_pos+t)}hasT(){var t=this.bb.__offset(this.bb_pos,14);return!!t&&!!this.bb.readInt8(this.bb_pos+t)}hasTM(){var t=this.bb.__offset(this.bb_pos,16);return!!t&&!!this.bb.readInt8(this.bb_pos+t)}columns(t,e){var r=this.bb.__offset(this.bb_pos,18);return r?(e||new a).__init(this.bb.__indirect(this.bb.__vector(this.bb_pos+r)+4*t),this.bb):null}columnsLength(){var t=this.bb.__offset(this.bb_pos,18);return t?this.bb.__vector_len(this.bb_pos+t):0}featuresCount(){var t=this.bb.__offset(this.bb_pos,20);return t?this.bb.readUint64(this.bb_pos+t):this.bb.createLong(0,0)}indexNodeSize(){var t=this.bb.__offset(this.bb_pos,22);return t?this.bb.readUint16(this.bb_pos+t):16}crs(t){var e=this.bb.__offset(this.bb_pos,24);return e?(t||new b).__init(this.bb.__indirect(this.bb_pos+e),this.bb):null}title(t){var e=this.bb.__offset(this.bb_pos,26);return e?this.bb.__string(this.bb_pos+e,t):null}description(t){var e=this.bb.__offset(this.bb_pos,28);return e?this.bb.__string(this.bb_pos+e,t):null}metadata(t){var e=this.bb.__offset(this.bb_pos,30);return e?this.bb.__string(this.bb_pos+e,t):null}static start(t){t.startObject(14)}static addName(t,e){t.addFieldOffset(0,e,0)}static addEnvelope(t,e){t.addFieldOffset(1,e,0)}static createEnvelopeVector(t,e){t.startVector(8,e.length,8);for(var r=e.length-1;r>=0;r--)t.addFloat64(e[r]);return t.endVector()}static startEnvelopeVector(t,e){t.startVector(8,e,8)}static addGeometryType(t,e){t.addFieldInt8(2,e,r.Unknown)}static addHasZ(t,e){t.addFieldInt8(3,+e,0)}static addHasM(t,e){t.addFieldInt8(4,+e,0)}static addHasT(t,e){t.addFieldInt8(5,+e,0)}static addHasTM(t,e){t.addFieldInt8(6,+e,0)}static addColumns(t,e){t.addFieldOffset(7,e,0)}static createColumnsVector(t,e){t.startVector(4,e.length,4);for(var r=e.length-1;r>=0;r--)t.addOffset(e[r]);return t.endVector()}static startColumnsVector(t,e){t.startVector(4,e,4)}static addFeaturesCount(t,e){t.addFieldInt64(8,e,t.createLong(0,0))}static addIndexNodeSize(t,e){t.addFieldInt16(9,e,16)}static addCrs(t,e){t.addFieldOffset(10,e,0)}static addTitle(t,e){t.addFieldOffset(11,e,0)}static addDescription(t,e){t.addFieldOffset(12,e,0)}static addMetadata(t,e){t.addFieldOffset(13,e,0)}static end(t){return t.endObject()}static finishBuffer(t,e){t.finish(e)}static finishSizePrefixedBuffer(t,e){t.finish(e,void 0,!0)}static create(t,e,r,i,s,n,o,a,b,u,h,f,c,l,_){return d.start(t),d.addName(t,e),d.addEnvelope(t,r),d.addGeometryType(t,i),d.addHasZ(t,s),d.addHasM(t,n),d.addHasT(t,o),d.addHasTM(t,a),d.addColumns(t,b),d.addFeaturesCount(t,u),d.addIndexNodeSize(t,h),d.addCrs(t,f),d.addTitle(t,c),d.addDescription(t,l),d.addMetadata(t,_),d.end(t)}}class u{constructor(t,e,r,i,s,n){this.org=t,this.code=e,this.name=r,this.description=i,this.wkt=s,this.code_string=n}}class h{constructor(t,e,r,i,s,n,o,a){this.geometryType=t,this.columns=e,this.featuresCount=r,this.indexNodeSize=i,this.crs=s,this.title=n,this.description=o,this.metadata=a}static fromByteBuffer(t){const r=d.getRoot(t),i=r.featuresCount().toFloat64(),s=r.indexNodeSize(),n=[];for(let t=0;t<r.columnsLength();t++){const i=r.columns(t);if(!i)throw new Error("Column unexpectedly missing");if(!i.name())throw new Error("Column name unexpectedly missing");n.push(new e(i.name(),i.type(),i.title(),i.description(),i.width(),i.precision(),i.scale(),i.nullable(),i.unique(),i.primaryKey()))}const o=r.crs(),a=o?new u(o.org(),o.code(),o.name(),o.description(),o.wkt(),o.codeString()):null;return new h(r.geometryType(),n,i,s,a,r.title(),r.description(),r.metadata())}}!function(t){t[t.Unknown=0]="Unknown",t[t.Point=1]="Point",t[t.LineString=2]="LineString",t[t.Polygon=3]="Polygon",t[t.MultiPoint=4]="MultiPoint",t[t.MultiLineString=5]="MultiLineString",t[t.MultiPolygon=6]="MultiPolygon",t[t.GeometryCollection=7]="GeometryCollection",t[t.CircularString=8]="CircularString",t[t.CompoundCurve=9]="CompoundCurve",t[t.CurvePolygon=10]="CurvePolygon",t[t.MultiCurve=11]="MultiCurve",t[t.MultiSurface=12]="MultiSurface",t[t.Curve=13]="Curve",t[t.Surface=14]="Surface",t[t.PolyhedralSurface=15]="PolyhedralSurface",t[t.TIN=16]="TIN",t[t.Triangle=17]="Triangle"}(s||(s={})),function(t){t[t.Byte=0]="Byte",t[t.UByte=1]="UByte",t[t.Bool=2]="Bool",t[t.Short=3]="Short",t[t.UShort=4]="UShort",t[t.Int=5]="Int",t[t.UInt=6]="UInt",t[t.Long=7]="Long",t[t.ULong=8]="ULong",t[t.Float=9]="Float",t[t.Double=10]="Double",t[t.String=11]="String",t[t.Json=12]="Json",t[t.DateTime=13]="DateTime",t[t.Binary=14]="Binary"}(n||(n={}));class f{constructor(){this.bb=null,this.bb_pos=0}__init(t,e){return this.bb_pos=t,this.bb=e,this}static getRoot(t,e){return(e||new f).__init(t.readInt32(t.position())+t.position(),t)}static getSizePrefixedRoot(t,e){return t.setPosition(t.position()+o.SIZE_PREFIX_LENGTH),(e||new f).__init(t.readInt32(t.position())+t.position(),t)}name(t){var e=this.bb.__offset(this.bb_pos,4);return e?this.bb.__string(this.bb_pos+e,t):null}type(){var t=this.bb.__offset(this.bb_pos,6);return t?this.bb.readUint8(this.bb_pos+t):n.Byte}title(t){var e=this.bb.__offset(this.bb_pos,8);return e?this.bb.__string(this.bb_pos+e,t):null}description(t){var e=this.bb.__offset(this.bb_pos,10);return e?this.bb.__string(this.bb_pos+e,t):null}width(){var t=this.bb.__offset(this.bb_pos,12);return t?this.bb.readInt32(this.bb_pos+t):-1}precision(){var t=this.bb.__offset(this.bb_pos,14);return t?this.bb.readInt32(this.bb_pos+t):-1}scale(){var t=this.bb.__offset(this.bb_pos,16);return t?this.bb.readInt32(this.bb_pos+t):-1}nullable(){var t=this.bb.__offset(this.bb_pos,18);return!t||!!this.bb.readInt8(this.bb_pos+t)}unique(){var t=this.bb.__offset(this.bb_pos,20);return!!t&&!!this.bb.readInt8(this.bb_pos+t)}primaryKey(){var t=this.bb.__offset(this.bb_pos,22);return!!t&&!!this.bb.readInt8(this.bb_pos+t)}metadata(t){var e=this.bb.__offset(this.bb_pos,24);return e?this.bb.__string(this.bb_pos+e,t):null}static start(t){t.startObject(11)}static addName(t,e){t.addFieldOffset(0,e,0)}static addType(t,e){t.addFieldInt8(1,e,n.Byte)}static addTitle(t,e){t.addFieldOffset(2,e,0)}static addDescription(t,e){t.addFieldOffset(3,e,0)}static addWidth(t,e){t.addFieldInt32(4,e,-1)}static addPrecision(t,e){t.addFieldInt32(5,e,-1)}static addScale(t,e){t.addFieldInt32(6,e,-1)}static addNullable(t,e){t.addFieldInt8(7,+e,1)}static addUnique(t,e){t.addFieldInt8(8,+e,0)}static addPrimaryKey(t,e){t.addFieldInt8(9,+e,0)}static addMetadata(t,e){t.addFieldOffset(10,e,0)}static end(t){var e=t.endObject();return t.requiredField(e,4),e}static create(t,e,r,i,s,n,o,a,b,d,u,h){return f.start(t),f.addName(t,e),f.addType(t,r),f.addTitle(t,i),f.addDescription(t,s),f.addWidth(t,n),f.addPrecision(t,o),f.addScale(t,a),f.addNullable(t,b),f.addUnique(t,d),f.addPrimaryKey(t,u),f.addMetadata(t,h),f.end(t)}}class c{constructor(){this.bb=null,this.bb_pos=0}__init(t,e){return this.bb_pos=t,this.bb=e,this}static getRoot(t,e){return(e||new c).__init(t.readInt32(t.position())+t.position(),t)}static getSizePrefixedRoot(t,e){return t.setPosition(t.position()+o.SIZE_PREFIX_LENGTH),(e||new c).__init(t.readInt32(t.position())+t.position(),t)}ends(t){var e=this.bb.__offset(this.bb_pos,4);return e?this.bb.readUint32(this.bb.__vector(this.bb_pos+e)+4*t):0}endsLength(){var t=this.bb.__offset(this.bb_pos,4);return t?this.bb.__vector_len(this.bb_pos+t):0}endsArray(){var t=this.bb.__offset(this.bb_pos,4);return t?new Uint32Array(this.bb.bytes().buffer,this.bb.bytes().byteOffset+this.bb.__vector(this.bb_pos+t),this.bb.__vector_len(this.bb_pos+t)):null}xy(t){var e=this.bb.__offset(this.bb_pos,6);return e?this.bb.readFloat64(this.bb.__vector(this.bb_pos+e)+8*t):0}xyLength(){var t=this.bb.__offset(this.bb_pos,6);return t?this.bb.__vector_len(this.bb_pos+t):0}xyArray(){var t=this.bb.__offset(this.bb_pos,6);return t?new Float64Array(this.bb.bytes().buffer,this.bb.bytes().byteOffset+this.bb.__vector(this.bb_pos+t),this.bb.__vector_len(this.bb_pos+t)):null}z(t){var e=this.bb.__offset(this.bb_pos,8);return e?this.bb.readFloat64(this.bb.__vector(this.bb_pos+e)+8*t):0}zLength(){var t=this.bb.__offset(this.bb_pos,8);return t?this.bb.__vector_len(this.bb_pos+t):0}zArray(){var t=this.bb.__offset(this.bb_pos,8);return t?new Float64Array(this.bb.bytes().buffer,this.bb.bytes().byteOffset+this.bb.__vector(this.bb_pos+t),this.bb.__vector_len(this.bb_pos+t)):null}m(t){var e=this.bb.__offset(this.bb_pos,10);return e?this.bb.readFloat64(this.bb.__vector(this.bb_pos+e)+8*t):0}mLength(){var t=this.bb.__offset(this.bb_pos,10);return t?this.bb.__vector_len(this.bb_pos+t):0}mArray(){var t=this.bb.__offset(this.bb_pos,10);return t?new Float64Array(this.bb.bytes().buffer,this.bb.bytes().byteOffset+this.bb.__vector(this.bb_pos+t),this.bb.__vector_len(this.bb_pos+t)):null}t(t){var e=this.bb.__offset(this.bb_pos,12);return e?this.bb.readFloat64(this.bb.__vector(this.bb_pos+e)+8*t):0}tLength(){var t=this.bb.__offset(this.bb_pos,12);return t?this.bb.__vector_len(this.bb_pos+t):0}tArray(){var t=this.bb.__offset(this.bb_pos,12);return t?new Float64Array(this.bb.bytes().buffer,this.bb.bytes().byteOffset+this.bb.__vector(this.bb_pos+t),this.bb.__vector_len(this.bb_pos+t)):null}tm(t){var e=this.bb.__offset(this.bb_pos,14);return e?this.bb.readUint64(this.bb.__vector(this.bb_pos+e)+8*t):this.bb.createLong(0,0)}tmLength(){var t=this.bb.__offset(this.bb_pos,14);return t?this.bb.__vector_len(this.bb_pos+t):0}type(){var t=this.bb.__offset(this.bb_pos,16);return t?this.bb.readUint8(this.bb_pos+t):s.Unknown}parts(t,e){var r=this.bb.__offset(this.bb_pos,18);return r?(e||new c).__init(this.bb.__indirect(this.bb.__vector(this.bb_pos+r)+4*t),this.bb):null}partsLength(){var t=this.bb.__offset(this.bb_pos,18);return t?this.bb.__vector_len(this.bb_pos+t):0}static start(t){t.startObject(8)}static addEnds(t,e){t.addFieldOffset(0,e,0)}static createEndsVector(t,e){t.startVector(4,e.length,4);for(var r=e.length-1;r>=0;r--)t.addInt32(e[r]);return t.endVector()}static startEndsVector(t,e){t.startVector(4,e,4)}static addXy(t,e){t.addFieldOffset(1,e,0)}static createXyVector(t,e){t.startVector(8,e.length,8);for(var r=e.length-1;r>=0;r--)t.addFloat64(e[r]);return t.endVector()}static startXyVector(t,e){t.startVector(8,e,8)}static addZ(t,e){t.addFieldOffset(2,e,0)}static createZVector(t,e){t.startVector(8,e.length,8);for(var r=e.length-1;r>=0;r--)t.addFloat64(e[r]);return t.endVector()}static startZVector(t,e){t.startVector(8,e,8)}static addM(t,e){t.addFieldOffset(3,e,0)}static createMVector(t,e){t.startVector(8,e.length,8);for(var r=e.length-1;r>=0;r--)t.addFloat64(e[r]);return t.endVector()}static startMVector(t,e){t.startVector(8,e,8)}static addT(t,e){t.addFieldOffset(4,e,0)}static createTVector(t,e){t.startVector(8,e.length,8);for(var r=e.length-1;r>=0;r--)t.addFloat64(e[r]);return t.endVector()}static startTVector(t,e){t.startVector(8,e,8)}static addTm(t,e){t.addFieldOffset(5,e,0)}static createTmVector(t,e){t.startVector(8,e.length,8);for(var r=e.length-1;r>=0;r--)t.addInt64(e[r]);return t.endVector()}static startTmVector(t,e){t.startVector(8,e,8)}static addType(t,e){t.addFieldInt8(6,e,s.Unknown)}static addParts(t,e){t.addFieldOffset(7,e,0)}static createPartsVector(t,e){t.startVector(4,e.length,4);for(var r=e.length-1;r>=0;r--)t.addOffset(e[r]);return t.endVector()}static startPartsVector(t,e){t.startVector(4,e,4)}static end(t){return t.endObject()}static create(t,e,r,i,s,n,o,a,b){return c.start(t),c.addEnds(t,e),c.addXy(t,r),c.addZ(t,i),c.addM(t,s),c.addT(t,n),c.addTm(t,o),c.addType(t,a),c.addParts(t,b),c.end(t)}}class l{constructor(){this.bb=null,this.bb_pos=0}__init(t,e){return this.bb_pos=t,this.bb=e,this}static getRoot(t,e){return(e||new l).__init(t.readInt32(t.position())+t.position(),t)}static getSizePrefixedRoot(t,e){return t.setPosition(t.position()+o.SIZE_PREFIX_LENGTH),(e||new l).__init(t.readInt32(t.position())+t.position(),t)}geometry(t){var e=this.bb.__offset(this.bb_pos,4);return e?(t||new c).__init(this.bb.__indirect(this.bb_pos+e),this.bb):null}properties(t){var e=this.bb.__offset(this.bb_pos,6);return e?this.bb.readUint8(this.bb.__vector(this.bb_pos+e)+t):0}propertiesLength(){var t=this.bb.__offset(this.bb_pos,6);return t?this.bb.__vector_len(this.bb_pos+t):0}propertiesArray(){var t=this.bb.__offset(this.bb_pos,6);return t?new 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o.Long.create(t,e)},function(t){t[t.Unknown=0]="Unknown",t[t.Point=1]="Point",t[t.LineString=2]="LineString",t[t.Polygon=3]="Polygon",t[t.MultiPoint=4]="MultiPoint",t[t.MultiLineString=5]="MultiLineString",t[t.MultiPolygon=6]="MultiPolygon",t[t.GeometryCollection=7]="GeometryCollection",t[t.CircularString=8]="CircularString",t[t.CompoundCurve=9]="CompoundCurve",t[t.CurvePolygon=10]="CurvePolygon",t[t.MultiCurve=11]="MultiCurve",t[t.MultiSurface=12]="MultiSurface",t[t.Curve=13]="Curve",t[t.Surface=14]="Surface",t[t.PolyhedralSurface=15]="PolyhedralSurface",t[t.TIN=16]="TIN",t[t.Triangle=17]="Triangle"}(r||(r={})),function(t){t[t.Byte=0]="Byte",t[t.UByte=1]="UByte",t[t.Bool=2]="Bool",t[t.Short=3]="Short",t[t.UShort=4]="UShort",t[t.Int=5]="Int",t[t.UInt=6]="UInt",t[t.Long=7]="Long",t[t.ULong=8]="ULong",t[t.Float=9]="Float",t[t.Double=10]="Double",t[t.String=11]="String",t[t.Json=12]="Json",t[t.DateTime=13]="DateTime",t[t.Binary=14]="Binary"}(i||(i={}));class 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t?this.bb.readInt32(this.bb_pos+t):-1}nullable(){var t=this.bb.__offset(this.bb_pos,18);return!t||!!this.bb.readInt8(this.bb_pos+t)}unique(){var t=this.bb.__offset(this.bb_pos,20);return!!t&&!!this.bb.readInt8(this.bb_pos+t)}primaryKey(){var t=this.bb.__offset(this.bb_pos,22);return!!t&&!!this.bb.readInt8(this.bb_pos+t)}metadata(t){var e=this.bb.__offset(this.bb_pos,24);return e?this.bb.__string(this.bb_pos+e,t):null}static start(t){t.startObject(11)}static addName(t,e){t.addFieldOffset(0,e,0)}static addType(t,e){t.addFieldInt8(1,e,i.Byte)}static addTitle(t,e){t.addFieldOffset(2,e,0)}static addDescription(t,e){t.addFieldOffset(3,e,0)}static addWidth(t,e){t.addFieldInt32(4,e,-1)}static addPrecision(t,e){t.addFieldInt32(5,e,-1)}static addScale(t,e){t.addFieldInt32(6,e,-1)}static addNullable(t,e){t.addFieldInt8(7,+e,1)}static addUnique(t,e){t.addFieldInt8(8,+e,0)}static addPrimaryKey(t,e){t.addFieldInt8(9,+e,0)}static addMetadata(t,e){t.addFieldOffset(10,e,0)}static end(t){var e=t.endObject();return t.requiredField(e,4),e}static create(t,e,r,i,s,n,o,b,d,u,h,f){return a.start(t),a.addName(t,e),a.addType(t,r),a.addTitle(t,i),a.addDescription(t,s),a.addWidth(t,n),a.addPrecision(t,o),a.addScale(t,b),a.addNullable(t,d),a.addUnique(t,u),a.addPrimaryKey(t,h),a.addMetadata(t,f),a.end(t)}}class b{constructor(){this.bb=null,this.bb_pos=0}__init(t,e){return this.bb_pos=t,this.bb=e,this}static getRoot(t,e){return(e||new b).__init(t.readInt32(t.position())+t.position(),t)}static getSizePrefixedRoot(t,e){return t.setPosition(t.position()+o.SIZE_PREFIX_LENGTH),(e||new b).__init(t.readInt32(t.position())+t.position(),t)}org(t){var e=this.bb.__offset(this.bb_pos,4);return e?this.bb.__string(this.bb_pos+e,t):null}code(){var t=this.bb.__offset(this.bb_pos,6);return t?this.bb.readInt32(this.bb_pos+t):0}name(t){var e=this.bb.__offset(this.bb_pos,8);return e?this.bb.__string(this.bb_pos+e,t):null}description(t){var e=this.bb.__offset(this.bb_pos,10);return e?this.bb.__string(this.bb_pos+e,t):null}wkt(t){var e=this.bb.__offset(this.bb_pos,12);return e?this.bb.__string(this.bb_pos+e,t):null}codeString(t){var e=this.bb.__offset(this.bb_pos,14);return e?this.bb.__string(this.bb_pos+e,t):null}static start(t){t.startObject(6)}static addOrg(t,e){t.addFieldOffset(0,e,0)}static addCode(t,e){t.addFieldInt32(1,e,0)}static addName(t,e){t.addFieldOffset(2,e,0)}static addDescription(t,e){t.addFieldOffset(3,e,0)}static addWkt(t,e){t.addFieldOffset(4,e,0)}static addCodeString(t,e){t.addFieldOffset(5,e,0)}static end(t){return t.endObject()}static create(t,e,r,i,s,n,o){return b.start(t),b.addOrg(t,e),b.addCode(t,r),b.addName(t,i),b.addDescription(t,s),b.addWkt(t,n),b.addCodeString(t,o),b.end(t)}}class d{constructor(){this.bb=null,this.bb_pos=0}__init(t,e){return this.bb_pos=t,this.bb=e,this}static getRoot(t,e){return(e||new d).__init(t.readInt32(t.position())+t.position(),t)}static getSizePrefixedRoot(t,e){return t.setPosition(t.position()+o.SIZE_PREFIX_LENGTH),(e||new d).__init(t.readInt32(t.position())+t.position(),t)}name(t){var e=this.bb.__offset(this.bb_pos,4);return e?this.bb.__string(this.bb_pos+e,t):null}envelope(t){var e=this.bb.__offset(this.bb_pos,6);return e?this.bb.readFloat64(this.bb.__vector(this.bb_pos+e)+8*t):0}envelopeLength(){var t=this.bb.__offset(this.bb_pos,6);return t?this.bb.__vector_len(this.bb_pos+t):0}envelopeArray(){var t=this.bb.__offset(this.bb_pos,6);return t?new Float64Array(this.bb.bytes().buffer,this.bb.bytes().byteOffset+this.bb.__vector(this.bb_pos+t),this.bb.__vector_len(this.bb_pos+t)):null}geometryType(){var t=this.bb.__offset(this.bb_pos,8);return t?this.bb.readUint8(this.bb_pos+t):r.Unknown}hasZ(){var t=this.bb.__offset(this.bb_pos,10);return!!t&&!!this.bb.readInt8(this.bb_pos+t)}hasM(){var t=this.bb.__offset(this.bb_pos,12);return!!t&&!!this.bb.readInt8(this.bb_pos+t)}hasT(){var 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e=this.bb.__offset(this.bb_pos,30);return e?this.bb.__string(this.bb_pos+e,t):null}static start(t){t.startObject(14)}static addName(t,e){t.addFieldOffset(0,e,0)}static addEnvelope(t,e){t.addFieldOffset(1,e,0)}static createEnvelopeVector(t,e){t.startVector(8,e.length,8);for(var r=e.length-1;r>=0;r--)t.addFloat64(e[r]);return t.endVector()}static startEnvelopeVector(t,e){t.startVector(8,e,8)}static addGeometryType(t,e){t.addFieldInt8(2,e,r.Unknown)}static addHasZ(t,e){t.addFieldInt8(3,+e,0)}static addHasM(t,e){t.addFieldInt8(4,+e,0)}static addHasT(t,e){t.addFieldInt8(5,+e,0)}static addHasTM(t,e){t.addFieldInt8(6,+e,0)}static addColumns(t,e){t.addFieldOffset(7,e,0)}static createColumnsVector(t,e){t.startVector(4,e.length,4);for(var r=e.length-1;r>=0;r--)t.addOffset(e[r]);return t.endVector()}static startColumnsVector(t,e){t.startVector(4,e,4)}static addFeaturesCount(t,e){t.addFieldInt64(8,e,t.createLong(0,0))}static addIndexNodeSize(t,e){t.addFieldInt16(9,e,16)}static addCrs(t,e){t.addFieldOffset(10,e,0)}static addTitle(t,e){t.addFieldOffset(11,e,0)}static addDescription(t,e){t.addFieldOffset(12,e,0)}static addMetadata(t,e){t.addFieldOffset(13,e,0)}static end(t){return t.endObject()}static finishBuffer(t,e){t.finish(e)}static finishSizePrefixedBuffer(t,e){t.finish(e,void 0,!0)}static create(t,e,r,i,s,n,o,a,b,u,h,f,c,l,_){return d.start(t),d.addName(t,e),d.addEnvelope(t,r),d.addGeometryType(t,i),d.addHasZ(t,s),d.addHasM(t,n),d.addHasT(t,o),d.addHasTM(t,a),d.addColumns(t,b),d.addFeaturesCount(t,u),d.addIndexNodeSize(t,h),d.addCrs(t,f),d.addTitle(t,c),d.addDescription(t,l),d.addMetadata(t,_),d.end(t)}}class u{constructor(t,e,r,i,s,n){this.org=t,this.code=e,this.name=r,this.description=i,this.wkt=s,this.code_string=n}}class h{constructor(t,e,r,i,s,n,o,a){this.geometryType=t,this.columns=e,this.featuresCount=r,this.indexNodeSize=i,this.crs=s,this.title=n,this.description=o,this.metadata=a}static fromByteBuffer(t){const 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h(r.geometryType(),n,i,s,a,r.title(),r.description(),r.metadata())}}!function(t){t[t.Unknown=0]="Unknown",t[t.Point=1]="Point",t[t.LineString=2]="LineString",t[t.Polygon=3]="Polygon",t[t.MultiPoint=4]="MultiPoint",t[t.MultiLineString=5]="MultiLineString",t[t.MultiPolygon=6]="MultiPolygon",t[t.GeometryCollection=7]="GeometryCollection",t[t.CircularString=8]="CircularString",t[t.CompoundCurve=9]="CompoundCurve",t[t.CurvePolygon=10]="CurvePolygon",t[t.MultiCurve=11]="MultiCurve",t[t.MultiSurface=12]="MultiSurface",t[t.Curve=13]="Curve",t[t.Surface=14]="Surface",t[t.PolyhedralSurface=15]="PolyhedralSurface",t[t.TIN=16]="TIN",t[t.Triangle=17]="Triangle"}(s||(s={})),function(t){t[t.Byte=0]="Byte",t[t.UByte=1]="UByte",t[t.Bool=2]="Bool",t[t.Short=3]="Short",t[t.UShort=4]="UShort",t[t.Int=5]="Int",t[t.UInt=6]="UInt",t[t.Long=7]="Long",t[t.ULong=8]="ULong",t[t.Float=9]="Float",t[t.Double=10]="Double",t[t.String=11]="String",t[t.Json=12]="Json",t[t.DateTime=13]="DateTime",t[t.Binary=14]="Binary"}(n||(n={}));class 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Error("FlatBuffers: endObject called without startObject");this.addInt32(0);for(var t=this.offset(),e=this.vtable_in_use-1;e>=0&&0==this.vtable[e];e--);for(var i=e+1;e>=0;e--)this.addInt16(0!=this.vtable[e]?t-this.vtable[e]:0);this.addInt16(t-this.object_start);var r=(i+2)*o.SIZEOF_SHORT;this.addInt16(r);var s=0,n=this.space;t:for(e=0;e<this.vtables.length;e++){var a=this.bb.capacity()-this.vtables[e];if(r==this.bb.readInt16(a)){for(var b=o.SIZEOF_SHORT;b<r;b+=o.SIZEOF_SHORT)if(this.bb.readInt16(n+b)!=this.bb.readInt16(a+b))continue t;s=this.vtables[e];break}}return s?(this.space=this.bb.capacity()-t,this.bb.writeInt32(this.space,s-t)):(this.vtables.push(this.offset()),this.bb.writeInt32(this.bb.capacity()-t,this.offset()-t)),this.isNested=!1,t},o.Builder.prototype.finish=function(t,e,i){var r=i?o.SIZE_PREFIX_LENGTH:0;if(e){var s=e;if(this.prep(this.minalign,o.SIZEOF_INT+o.FILE_IDENTIFIER_LENGTH+r),s.length!=o.FILE_IDENTIFIER_LENGTH)throw new Error("FlatBuffers: file identifier must be length "+o.FILE_IDENTIFIER_LENGTH);for(var n=o.FILE_IDENTIFIER_LENGTH-1;n>=0;n--)this.writeInt8(s.charCodeAt(n))}this.prep(this.minalign,o.SIZEOF_INT+r),this.addOffset(t),r&&this.addInt32(this.bb.capacity()-this.space),this.bb.setPosition(this.space)},o.Builder.prototype.finishSizePrefixed=function(t,e){this.finish(t,e,!0)},o.Builder.prototype.requiredField=function(t,e){var i=this.bb.capacity()-t,r=i-this.bb.readInt32(i);if(0==this.bb.readInt16(r+e))throw new Error("FlatBuffers: field "+e+" must be set")},o.Builder.prototype.startVector=function(t,e,i){this.notNested(),this.vector_num_elems=e,this.prep(o.SIZEOF_INT,t*e),this.prep(i,t*e)},o.Builder.prototype.endVector=function(){return this.writeInt32(this.vector_num_elems),this.offset()},o.Builder.prototype.createString=function(t){if(t instanceof Uint8Array)var e=t;else{e=[];for(var i=0;i<t.length;){var r,s=t.charCodeAt(i++);(r=s<55296||s>=56320?s:(s<<10)+t.charCodeAt(i++)+-56613888)<128?e.push(r):(r<2048?e.push(r>>6&31|192):(r<65536?e.push(r>>12&15|224):e.push(r>>18&7|240,r>>12&63|128),e.push(r>>6&63|128)),e.push(63&r|128))}}this.addInt8(0),this.startVector(1,e.length,1),this.bb.setPosition(this.space-=e.length),i=0;for(var n=this.space,o=this.bb.bytes();i<e.length;i++)o[n++]=e[i];return this.endVector()},o.Builder.prototype.createLong=function(t,e){return o.Long.create(t,e)},o.ByteBuffer=function(t){this.bytes_=t,this.position_=0},o.ByteBuffer.allocate=function(t){return new o.ByteBuffer(new Uint8Array(t))},o.ByteBuffer.prototype.clear=function(){this.position_=0},o.ByteBuffer.prototype.bytes=function(){return this.bytes_},o.ByteBuffer.prototype.position=function(){return this.position_},o.ByteBuffer.prototype.setPosition=function(t){this.position_=t},o.ByteBuffer.prototype.capacity=function(){return this.bytes_.length},o.ByteBuffer.prototype.readInt8=function(t){return this.readUint8(t)<<24>>24},o.ByteBuffer.prototype.readUint8=function(t){return this.bytes_[t]},o.ByteBuffer.prototype.readInt16=function(t){return this.readUint16(t)<<16>>16},o.ByteBuffer.prototype.readUint16=function(t){return this.bytes_[t]|this.bytes_[t+1]<<8},o.ByteBuffer.prototype.readInt32=function(t){return this.bytes_[t]|this.bytes_[t+1]<<8|this.bytes_[t+2]<<16|this.bytes_[t+3]<<24},o.ByteBuffer.prototype.readUint32=function(t){return this.readInt32(t)>>>0},o.ByteBuffer.prototype.readInt64=function(t){return new o.Long(this.readInt32(t),this.readInt32(t+4))},o.ByteBuffer.prototype.readUint64=function(t){return new o.Long(this.readUint32(t),this.readUint32(t+4))},o.ByteBuffer.prototype.readFloat32=function(t){return o.int32[0]=this.readInt32(t),o.float32[0]},o.ByteBuffer.prototype.readFloat64=function(t){return o.int32[o.isLittleEndian?0:1]=this.readInt32(t),o.int32[o.isLittleEndian?1:0]=this.readInt32(t+4),o.float64[0]},o.ByteBuffer.prototype.writeInt8=function(t,e){this.bytes_[t]=e},o.ByteBuffer.prototype.writeUint8=function(t,e){this.bytes_[t]=e},o.ByteBuffer.prototype.writeInt16=function(t,e){this.bytes_[t]=e,this.bytes_[t+1]=e>>8},o.ByteBuffer.prototype.writeUint16=function(t,e){this.bytes_[t]=e,this.bytes_[t+1]=e>>8},o.ByteBuffer.prototype.writeInt32=function(t,e){this.bytes_[t]=e,this.bytes_[t+1]=e>>8,this.bytes_[t+2]=e>>16,this.bytes_[t+3]=e>>24},o.ByteBuffer.prototype.writeUint32=function(t,e){this.bytes_[t]=e,this.bytes_[t+1]=e>>8,this.bytes_[t+2]=e>>16,this.bytes_[t+3]=e>>24},o.ByteBuffer.prototype.writeInt64=function(t,e){this.writeInt32(t,e.low),this.writeInt32(t+4,e.high)},o.ByteBuffer.prototype.writeUint64=function(t,e){this.writeUint32(t,e.low),this.writeUint32(t+4,e.high)},o.ByteBuffer.prototype.writeFloat32=function(t,e){o.float32[0]=e,this.writeInt32(t,o.int32[0])},o.ByteBuffer.prototype.writeFloat64=function(t,e){o.float64[0]=e,this.writeInt32(t,o.int32[o.isLittleEndian?0:1]),this.writeInt32(t+4,o.int32[o.isLittleEndian?1:0])},o.ByteBuffer.prototype.getBufferIdentifier=function(){if(this.bytes_.length<this.position_+o.SIZEOF_INT+o.FILE_IDENTIFIER_LENGTH)throw new Error("FlatBuffers: ByteBuffer is too short to contain an identifier.");for(var t="",e=0;e<o.FILE_IDENTIFIER_LENGTH;e++)t+=String.fromCharCode(this.readInt8(this.position_+o.SIZEOF_INT+e));return t},o.ByteBuffer.prototype.__offset=function(t,e){var i=t-this.readInt32(t);return e<this.readInt16(i)?this.readInt16(i+e):0},o.ByteBuffer.prototype.__union=function(t,e){return t.bb_pos=e+this.readInt32(e),t.bb=this,t},o.ByteBuffer.prototype.__string=function(t,e){t+=this.readInt32(t);var i=this.readInt32(t),r="",s=0;if(t+=o.SIZEOF_INT,e===o.Encoding.UTF8_BYTES)return this.bytes_.subarray(t,t+i);for(;s<i;){var n,a=this.readUint8(t+s++);if(a<192)n=a;else{var b=this.readUint8(t+s++);if(a<224)n=(31&a)<<6|63&b;else{var d=this.readUint8(t+s++);n=a<240?(15&a)<<12|(63&b)<<6|63&d:(7&a)<<18|(63&b)<<12|(63&d)<<6|63&this.readUint8(t+s++)}}n<65536?r+=String.fromCharCode(n):(n-=65536,r+=String.fromCharCode(55296+(n>>10),56320+(1023&n)))}return r},o.ByteBuffer.prototype.__indirect=function(t){return t+this.readInt32(t)},o.ByteBuffer.prototype.__vector=function(t){return t+this.readInt32(t)+o.SIZEOF_INT},o.ByteBuffer.prototype.__vector_len=function(t){return this.readInt32(t+this.readInt32(t))},o.ByteBuffer.prototype.__has_identifier=function(t){if(t.length!=o.FILE_IDENTIFIER_LENGTH)throw new Error("FlatBuffers: file identifier must be length "+o.FILE_IDENTIFIER_LENGTH);for(var e=0;e<o.FILE_IDENTIFIER_LENGTH;e++)if(t.charCodeAt(e)!=this.readInt8(this.position_+o.SIZEOF_INT+e))return!1;return!0},o.ByteBuffer.prototype.createLong=function(t,e){return o.Long.create(t,e)},function(t){t[t.Unknown=0]="Unknown",t[t.Point=1]="Point",t[t.LineString=2]="LineString",t[t.Polygon=3]="Polygon",t[t.MultiPoint=4]="MultiPoint",t[t.MultiLineString=5]="MultiLineString",t[t.MultiPolygon=6]="MultiPolygon",t[t.GeometryCollection=7]="GeometryCollection",t[t.CircularString=8]="CircularString",t[t.CompoundCurve=9]="CompoundCurve",t[t.CurvePolygon=10]="CurvePolygon",t[t.MultiCurve=11]="MultiCurve",t[t.MultiSurface=12]="MultiSurface",t[t.Curve=13]="Curve",t[t.Surface=14]="Surface",t[t.PolyhedralSurface=15]="PolyhedralSurface",t[t.TIN=16]="TIN",t[t.Triangle=17]="Triangle"}(i||(i={})),function(t){t[t.Byte=0]="Byte",t[t.UByte=1]="UByte",t[t.Bool=2]="Bool",t[t.Short=3]="Short",t[t.UShort=4]="UShort",t[t.Int=5]="Int",t[t.UInt=6]="UInt",t[t.Long=7]="Long",t[t.ULong=8]="ULong",t[t.Float=9]="Float",t[t.Double=10]="Double",t[t.String=11]="String",t[t.Json=12]="Json",t[t.DateTime=13]="DateTime",t[t.Binary=14]="Binary"}(r||(r={}));class a{constructor(){this.bb=null,this.bb_pos=0}__init(t,e){return this.bb_pos=t,this.bb=e,this}static getRoot(t,e){return(e||new a).__init(t.readInt32(t.position())+t.position(),t)}static getSizePrefixedRoot(t,e){return t.setPosition(t.position()+o.SIZE_PREFIX_LENGTH),(e||new a).__init(t.readInt32(t.position())+t.position(),t)}name(t){var e=this.bb.__offset(this.bb_pos,4);return e?this.bb.__string(this.bb_pos+e,t):null}type(){var t=this.bb.__offset(this.bb_pos,6);return t?this.bb.readUint8(this.bb_pos+t):r.Byte}title(t){var e=this.bb.__offset(this.bb_pos,8);return e?this.bb.__string(this.bb_pos+e,t):null}description(t){var e=this.bb.__offset(this.bb_pos,10);return e?this.bb.__string(this.bb_pos+e,t):null}width(){var t=this.bb.__offset(this.bb_pos,12);return t?this.bb.readInt32(this.bb_pos+t):-1}precision(){var t=this.bb.__offset(this.bb_pos,14);return t?this.bb.readInt32(this.bb_pos+t):-1}scale(){var t=this.bb.__offset(this.bb_pos,16);return t?this.bb.readInt32(this.bb_pos+t):-1}nullable(){var t=this.bb.__offset(this.bb_pos,18);return!t||!!this.bb.readInt8(this.bb_pos+t)}unique(){var t=this.bb.__offset(this.bb_pos,20);return!!t&&!!this.bb.readInt8(this.bb_pos+t)}primaryKey(){var t=this.bb.__offset(this.bb_pos,22);return!!t&&!!this.bb.readInt8(this.bb_pos+t)}metadata(t){var e=this.bb.__offset(this.bb_pos,24);return e?this.bb.__string(this.bb_pos+e,t):null}static start(t){t.startObject(11)}static addName(t,e){t.addFieldOffset(0,e,0)}static addType(t,e){t.addFieldInt8(1,e,r.Byte)}static addTitle(t,e){t.addFieldOffset(2,e,0)}static addDescription(t,e){t.addFieldOffset(3,e,0)}static addWidth(t,e){t.addFieldInt32(4,e,-1)}static addPrecision(t,e){t.addFieldInt32(5,e,-1)}static addScale(t,e){t.addFieldInt32(6,e,-1)}static addNullable(t,e){t.addFieldInt8(7,+e,1)}static addUnique(t,e){t.addFieldInt8(8,+e,0)}static addPrimaryKey(t,e){t.addFieldInt8(9,+e,0)}static addMetadata(t,e){t.addFieldOffset(10,e,0)}static end(t){var e=t.endObject();return t.requiredField(e,4),e}static create(t,e,i,r,s,n,o,b,d,h,u,f){return a.start(t),a.addName(t,e),a.addType(t,i),a.addTitle(t,r),a.addDescription(t,s),a.addWidth(t,n),a.addPrecision(t,o),a.addScale(t,b),a.addNullable(t,d),a.addUnique(t,h),a.addPrimaryKey(t,u),a.addMetadata(t,f),a.end(t)}}class b{constructor(){this.bb=null,this.bb_pos=0}__init(t,e){return this.bb_pos=t,this.bb=e,this}static getRoot(t,e){return(e||new b).__init(t.readInt32(t.position())+t.position(),t)}static getSizePrefixedRoot(t,e){return t.setPosition(t.position()+o.SIZE_PREFIX_LENGTH),(e||new b).__init(t.readInt32(t.position())+t.position(),t)}org(t){var e=this.bb.__offset(this.bb_pos,4);return e?this.bb.__string(this.bb_pos+e,t):null}code(){var t=this.bb.__offset(this.bb_pos,6);return t?this.bb.readInt32(this.bb_pos+t):0}name(t){var e=this.bb.__offset(this.bb_pos,8);return e?this.bb.__string(this.bb_pos+e,t):null}description(t){var e=this.bb.__offset(this.bb_pos,10);return e?this.bb.__string(this.bb_pos+e,t):null}wkt(t){var e=this.bb.__offset(this.bb_pos,12);return e?this.bb.__string(this.bb_pos+e,t):null}codeString(t){var e=this.bb.__offset(this.bb_pos,14);return e?this.bb.__string(this.bb_pos+e,t):null}static start(t){t.startObject(6)}static addOrg(t,e){t.addFieldOffset(0,e,0)}static addCode(t,e){t.addFieldInt32(1,e,0)}static addName(t,e){t.addFieldOffset(2,e,0)}static addDescription(t,e){t.addFieldOffset(3,e,0)}static addWkt(t,e){t.addFieldOffset(4,e,0)}static addCodeString(t,e){t.addFieldOffset(5,e,0)}static end(t){return t.endObject()}static create(t,e,i,r,s,n,o){return b.start(t),b.addOrg(t,e),b.addCode(t,i),b.addName(t,r),b.addDescription(t,s),b.addWkt(t,n),b.addCodeString(t,o),b.end(t)}}class d{constructor(){this.bb=null,this.bb_pos=0}__init(t,e){return this.bb_pos=t,this.bb=e,this}static getRoot(t,e){return(e||new d).__init(t.readInt32(t.position())+t.position(),t)}static getSizePrefixedRoot(t,e){return t.setPosition(t.position()+o.SIZE_PREFIX_LENGTH),(e||new d).__init(t.readInt32(t.position())+t.position(),t)}name(t){var e=this.bb.__offset(this.bb_pos,4);return e?this.bb.__string(this.bb_pos+e,t):null}envelope(t){var e=this.bb.__offset(this.bb_pos,6);return e?this.bb.readFloat64(this.bb.__vector(this.bb_pos+e)+8*t):0}envelopeLength(){var t=this.bb.__offset(this.bb_pos,6);return t?this.bb.__vector_len(this.bb_pos+t):0}envelopeArray(){var t=this.bb.__offset(this.bb_pos,6);return t?new Float64Array(this.bb.bytes().buffer,this.bb.bytes().byteOffset+this.bb.__vector(this.bb_pos+t),this.bb.__vector_len(this.bb_pos+t)):null}geometryType(){var t=this.bb.__offset(this.bb_pos,8);return t?this.bb.readUint8(this.bb_pos+t):i.Unknown}hasZ(){var t=this.bb.__offset(this.bb_pos,10);return!!t&&!!this.bb.readInt8(this.bb_pos+t)}hasM(){var t=this.bb.__offset(this.bb_pos,12);return!!t&&!!this.bb.readInt8(this.bb_pos+t)}hasT(){var t=this.bb.__offset(this.bb_pos,14);return!!t&&!!this.bb.readInt8(this.bb_pos+t)}hasTM(){var t=this.bb.__offset(this.bb_pos,16);return!!t&&!!this.bb.readInt8(this.bb_pos+t)}columns(t,e){var i=this.bb.__offset(this.bb_pos,18);return i?(e||new a).__init(this.bb.__indirect(this.bb.__vector(this.bb_pos+i)+4*t),this.bb):null}columnsLength(){var t=this.bb.__offset(this.bb_pos,18);return t?this.bb.__vector_len(this.bb_pos+t):0}featuresCount(){var t=this.bb.__offset(this.bb_pos,20);return t?this.bb.readUint64(this.bb_pos+t):this.bb.createLong(0,0)}indexNodeSize(){var t=this.bb.__offset(this.bb_pos,22);return t?this.bb.readUint16(this.bb_pos+t):16}crs(t){var e=this.bb.__offset(this.bb_pos,24);return e?(t||new b).__init(this.bb.__indirect(this.bb_pos+e),this.bb):null}title(t){var e=this.bb.__offset(this.bb_pos,26);return e?this.bb.__string(this.bb_pos+e,t):null}description(t){var e=this.bb.__offset(this.bb_pos,28);return e?this.bb.__string(this.bb_pos+e,t):null}metadata(t){var e=this.bb.__offset(this.bb_pos,30);return e?this.bb.__string(this.bb_pos+e,t):null}static start(t){t.startObject(14)}static addName(t,e){t.addFieldOffset(0,e,0)}static addEnvelope(t,e){t.addFieldOffset(1,e,0)}static createEnvelopeVector(t,e){t.startVector(8,e.length,8);for(var i=e.length-1;i>=0;i--)t.addFloat64(e[i]);return t.endVector()}static startEnvelopeVector(t,e){t.startVector(8,e,8)}static addGeometryType(t,e){t.addFieldInt8(2,e,i.Unknown)}static addHasZ(t,e){t.addFieldInt8(3,+e,0)}static addHasM(t,e){t.addFieldInt8(4,+e,0)}static addHasT(t,e){t.addFieldInt8(5,+e,0)}static addHasTM(t,e){t.addFieldInt8(6,+e,0)}static addColumns(t,e){t.addFieldOffset(7,e,0)}static createColumnsVector(t,e){t.startVector(4,e.length,4);for(var i=e.length-1;i>=0;i--)t.addOffset(e[i]);return t.endVector()}static startColumnsVector(t,e){t.startVector(4,e,4)}static addFeaturesCount(t,e){t.addFieldInt64(8,e,t.createLong(0,0))}static addIndexNodeSize(t,e){t.addFieldInt16(9,e,16)}static addCrs(t,e){t.addFieldOffset(10,e,0)}static addTitle(t,e){t.addFieldOffset(11,e,0)}static addDescription(t,e){t.addFieldOffset(12,e,0)}static addMetadata(t,e){t.addFieldOffset(13,e,0)}static end(t){return t.endObject()}static finishBuffer(t,e){t.finish(e)}static finishSizePrefixedBuffer(t,e){t.finish(e,void 0,!0)}static create(t,e,i,r,s,n,o,a,b,h,u,f,c,l,_){return d.start(t),d.addName(t,e),d.addEnvelope(t,i),d.addGeometryType(t,r),d.addHasZ(t,s),d.addHasM(t,n),d.addHasT(t,o),d.addHasTM(t,a),d.addColumns(t,b),d.addFeaturesCount(t,h),d.addIndexNodeSize(t,u),d.addCrs(t,f),d.addTitle(t,c),d.addDescription(t,l),d.addMetadata(t,_),d.end(t)}}class h{constructor(t,e,i,r,s,n){this.org=t,this.code=e,this.name=i,this.description=r,this.wkt=s,this.code_string=n}}class u{constructor(t,e,i,r,s,n,o,a){this.geometryType=t,this.columns=e,this.featuresCount=i,this.indexNodeSize=r,this.crs=s,this.title=n,this.description=o,this.metadata=a}static fromByteBuffer(t){const i=d.getRoot(t),r=i.featuresCount().toFloat64(),s=i.indexNodeSize(),n=[];for(let t=0;t<i.columnsLength();t++){const r=i.columns(t);if(!r)throw new Error("Column unexpectedly missing");if(!r.name())throw new Error("Column name unexpectedly missing");n.push(new e(r.name(),r.type(),r.title(),r.description(),r.width(),r.precision(),r.scale(),r.nullable(),r.unique(),r.primaryKey()))}const o=i.crs(),a=o?new h(o.org(),o.code(),o.name(),o.description(),o.wkt(),o.codeString()):null;return new 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t.endObject()}static create(t,e,i,r,s,n,o,a,b){return c.start(t),c.addEnds(t,e),c.addXy(t,i),c.addZ(t,r),c.addM(t,s),c.addT(t,n),c.addTm(t,o),c.addType(t,a),c.addParts(t,b),c.end(t)}}class l{constructor(){this.bb=null,this.bb_pos=0}__init(t,e){return this.bb_pos=t,this.bb=e,this}static getRoot(t,e){return(e||new l).__init(t.readInt32(t.position())+t.position(),t)}static getSizePrefixedRoot(t,e){return t.setPosition(t.position()+o.SIZE_PREFIX_LENGTH),(e||new l).__init(t.readInt32(t.position())+t.position(),t)}geometry(t){var e=this.bb.__offset(this.bb_pos,4);return e?(t||new c).__init(this.bb.__indirect(this.bb_pos+e),this.bb):null}properties(t){var e=this.bb.__offset(this.bb_pos,6);return e?this.bb.readUint8(this.bb.__vector(this.bb_pos+e)+t):0}propertiesLength(){var t=this.bb.__offset(this.bb_pos,6);return t?this.bb.__vector_len(this.bb_pos+t):0}propertiesArray(){var t=this.bb.__offset(this.bb_pos,6);return t?new 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new Error("FlatBuffers: ByteBuffer is too short to contain an identifier.");for(var t="",e=0;e<o.FILE_IDENTIFIER_LENGTH;e++)t+=String.fromCharCode(this.readInt8(this.position_+o.SIZEOF_INT+e));return t},o.ByteBuffer.prototype.__offset=function(t,e){var i=t-this.readInt32(t);return e<this.readInt16(i)?this.readInt16(i+e):0},o.ByteBuffer.prototype.__union=function(t,e){return t.bb_pos=e+this.readInt32(e),t.bb=this,t},o.ByteBuffer.prototype.__string=function(t,e){t+=this.readInt32(t);var i=this.readInt32(t),r="",s=0;if(t+=o.SIZEOF_INT,e===o.Encoding.UTF8_BYTES)return this.bytes_.subarray(t,t+i);for(;s<i;){var n,a=this.readUint8(t+s++);if(a<192)n=a;else{var b=this.readUint8(t+s++);if(a<224)n=(31&a)<<6|63&b;else{var d=this.readUint8(t+s++);n=a<240?(15&a)<<12|(63&b)<<6|63&d:(7&a)<<18|(63&b)<<12|(63&d)<<6|63&this.readUint8(t+s++)}}n<65536?r+=String.fromCharCode(n):(n-=65536,r+=String.fromCharCode(55296+(n>>10),56320+(1023&n)))}return r},o.ByteBuffer.prototype.__indirect=function(t){return t+this.readInt32(t)},o.ByteBuffer.prototype.__vector=function(t){return t+this.readInt32(t)+o.SIZEOF_INT},o.ByteBuffer.prototype.__vector_len=function(t){return this.readInt32(t+this.readInt32(t))},o.ByteBuffer.prototype.__has_identifier=function(t){if(t.length!=o.FILE_IDENTIFIER_LENGTH)throw new Error("FlatBuffers: file identifier must be length "+o.FILE_IDENTIFIER_LENGTH);for(var e=0;e<o.FILE_IDENTIFIER_LENGTH;e++)if(t.charCodeAt(e)!=this.readInt8(this.position_+o.SIZEOF_INT+e))return!1;return!0},o.ByteBuffer.prototype.createLong=function(t,e){return o.Long.create(t,e)},function(t){t[t.Unknown=0]="Unknown",t[t.Point=1]="Point",t[t.LineString=2]="LineString",t[t.Polygon=3]="Polygon",t[t.MultiPoint=4]="MultiPoint",t[t.MultiLineString=5]="MultiLineString",t[t.MultiPolygon=6]="MultiPolygon",t[t.GeometryCollection=7]="GeometryCollection",t[t.CircularString=8]="CircularString",t[t.CompoundCurve=9]="CompoundCurve",t[t.CurvePolygon=10]="CurvePolygon",t[t.MultiCurve=11]="MultiCurve",t[t.MultiSurface=12]="MultiSurface",t[t.Curve=13]="Curve",t[t.Surface=14]="Surface",t[t.PolyhedralSurface=15]="PolyhedralSurface",t[t.TIN=16]="TIN",t[t.Triangle=17]="Triangle"}(i||(i={})),function(t){t[t.Byte=0]="Byte",t[t.UByte=1]="UByte",t[t.Bool=2]="Bool",t[t.Short=3]="Short",t[t.UShort=4]="UShort",t[t.Int=5]="Int",t[t.UInt=6]="UInt",t[t.Long=7]="Long",t[t.ULong=8]="ULong",t[t.Float=9]="Float",t[t.Double=10]="Double",t[t.String=11]="String",t[t.Json=12]="Json",t[t.DateTime=13]="DateTime",t[t.Binary=14]="Binary"}(r||(r={}));class a{constructor(){this.bb=null,this.bb_pos=0}__init(t,e){return this.bb_pos=t,this.bb=e,this}static getRoot(t,e){return(e||new a).__init(t.readInt32(t.position())+t.position(),t)}static getSizePrefixedRoot(t,e){return t.setPosition(t.position()+o.SIZE_PREFIX_LENGTH),(e||new a).__init(t.readInt32(t.position())+t.position(),t)}name(t){var e=this.bb.__offset(this.bb_pos,4);return e?this.bb.__string(this.bb_pos+e,t):null}type(){var t=this.bb.__offset(this.bb_pos,6);return t?this.bb.readUint8(this.bb_pos+t):r.Byte}title(t){var e=this.bb.__offset(this.bb_pos,8);return e?this.bb.__string(this.bb_pos+e,t):null}description(t){var e=this.bb.__offset(this.bb_pos,10);return e?this.bb.__string(this.bb_pos+e,t):null}width(){var t=this.bb.__offset(this.bb_pos,12);return t?this.bb.readInt32(this.bb_pos+t):-1}precision(){var t=this.bb.__offset(this.bb_pos,14);return t?this.bb.readInt32(this.bb_pos+t):-1}scale(){var t=this.bb.__offset(this.bb_pos,16);return t?this.bb.readInt32(this.bb_pos+t):-1}nullable(){var t=this.bb.__offset(this.bb_pos,18);return!t||!!this.bb.readInt8(this.bb_pos+t)}unique(){var t=this.bb.__offset(this.bb_pos,20);return!!t&&!!this.bb.readInt8(this.bb_pos+t)}primaryKey(){var t=this.bb.__offset(this.bb_pos,22);return!!t&&!!this.bb.readInt8(this.bb_pos+t)}metadata(t){var e=this.bb.__offset(this.bb_pos,24);return e?this.bb.__string(this.bb_pos+e,t):null}static start(t){t.startObject(11)}static addName(t,e){t.addFieldOffset(0,e,0)}static addType(t,e){t.addFieldInt8(1,e,r.Byte)}static addTitle(t,e){t.addFieldOffset(2,e,0)}static addDescription(t,e){t.addFieldOffset(3,e,0)}static addWidth(t,e){t.addFieldInt32(4,e,-1)}static addPrecision(t,e){t.addFieldInt32(5,e,-1)}static addScale(t,e){t.addFieldInt32(6,e,-1)}static addNullable(t,e){t.addFieldInt8(7,+e,1)}static addUnique(t,e){t.addFieldInt8(8,+e,0)}static addPrimaryKey(t,e){t.addFieldInt8(9,+e,0)}static addMetadata(t,e){t.addFieldOffset(10,e,0)}static end(t){var e=t.endObject();return t.requiredField(e,4),e}static create(t,e,i,r,s,n,o,b,d,h,u,f){return a.start(t),a.addName(t,e),a.addType(t,i),a.addTitle(t,r),a.addDescription(t,s),a.addWidth(t,n),a.addPrecision(t,o),a.addScale(t,b),a.addNullable(t,d),a.addUnique(t,h),a.addPrimaryKey(t,u),a.addMetadata(t,f),a.end(t)}}class b{constructor(){this.bb=null,this.bb_pos=0}__init(t,e){return this.bb_pos=t,this.bb=e,this}static getRoot(t,e){return(e||new b).__init(t.readInt32(t.position())+t.position(),t)}static getSizePrefixedRoot(t,e){return t.setPosition(t.position()+o.SIZE_PREFIX_LENGTH),(e||new b).__init(t.readInt32(t.position())+t.position(),t)}org(t){var e=this.bb.__offset(this.bb_pos,4);return e?this.bb.__string(this.bb_pos+e,t):null}code(){var t=this.bb.__offset(this.bb_pos,6);return t?this.bb.readInt32(this.bb_pos+t):0}name(t){var e=this.bb.__offset(this.bb_pos,8);return e?this.bb.__string(this.bb_pos+e,t):null}description(t){var e=this.bb.__offset(this.bb_pos,10);return e?this.bb.__string(this.bb_pos+e,t):null}wkt(t){var e=this.bb.__offset(this.bb_pos,12);return e?this.bb.__string(this.bb_pos+e,t):null}codeString(t){var e=this.bb.__offset(this.bb_pos,14);return e?this.bb.__string(this.bb_pos+e,t):null}static start(t){t.startObject(6)}static addOrg(t,e){t.addFieldOffset(0,e,0)}static addCode(t,e){t.addFieldInt32(1,e,0)}static addName(t,e){t.addFieldOffset(2,e,0)}static addDescription(t,e){t.addFieldOffset(3,e,0)}static addWkt(t,e){t.addFieldOffset(4,e,0)}static addCodeString(t,e){t.addFieldOffset(5,e,0)}static end(t){return t.endObject()}static create(t,e,i,r,s,n,o){return b.start(t),b.addOrg(t,e),b.addCode(t,i),b.addName(t,r),b.addDescription(t,s),b.addWkt(t,n),b.addCodeString(t,o),b.end(t)}}class d{constructor(){this.bb=null,this.bb_pos=0}__init(t,e){return this.bb_pos=t,this.bb=e,this}static getRoot(t,e){return(e||new d).__init(t.readInt32(t.position())+t.position(),t)}static getSizePrefixedRoot(t,e){return t.setPosition(t.position()+o.SIZE_PREFIX_LENGTH),(e||new d).__init(t.readInt32(t.position())+t.position(),t)}name(t){var e=this.bb.__offset(this.bb_pos,4);return e?this.bb.__string(this.bb_pos+e,t):null}envelope(t){var e=this.bb.__offset(this.bb_pos,6);return e?this.bb.readFloat64(this.bb.__vector(this.bb_pos+e)+8*t):0}envelopeLength(){var t=this.bb.__offset(this.bb_pos,6);return t?this.bb.__vector_len(this.bb_pos+t):0}envelopeArray(){var t=this.bb.__offset(this.bb_pos,6);return t?new Float64Array(this.bb.bytes().buffer,this.bb.bytes().byteOffset+this.bb.__vector(this.bb_pos+t),this.bb.__vector_len(this.bb_pos+t)):null}geometryType(){var t=this.bb.__offset(this.bb_pos,8);return t?this.bb.readUint8(this.bb_pos+t):i.Unknown}hasZ(){var t=this.bb.__offset(this.bb_pos,10);return!!t&&!!this.bb.readInt8(this.bb_pos+t)}hasM(){var t=this.bb.__offset(this.bb_pos,12);return!!t&&!!this.bb.readInt8(this.bb_pos+t)}hasT(){var t=this.bb.__offset(this.bb_pos,14);return!!t&&!!this.bb.readInt8(this.bb_pos+t)}hasTM(){var t=this.bb.__offset(this.bb_pos,16);return!!t&&!!this.bb.readInt8(this.bb_pos+t)}columns(t,e){var i=this.bb.__offset(this.bb_pos,18);return i?(e||new a).__init(this.bb.__indirect(this.bb.__vector(this.bb_pos+i)+4*t),this.bb):null}columnsLength(){var t=this.bb.__offset(this.bb_pos,18);return t?this.bb.__vector_len(this.bb_pos+t):0}featuresCount(){var t=this.bb.__offset(this.bb_pos,20);return t?this.bb.readUint64(this.bb_pos+t):this.bb.createLong(0,0)}indexNodeSize(){var t=this.bb.__offset(this.bb_pos,22);return t?this.bb.readUint16(this.bb_pos+t):16}crs(t){var e=this.bb.__offset(this.bb_pos,24);return e?(t||new b).__init(this.bb.__indirect(this.bb_pos+e),this.bb):null}title(t){var e=this.bb.__offset(this.bb_pos,26);return e?this.bb.__string(this.bb_pos+e,t):null}description(t){var e=this.bb.__offset(this.bb_pos,28);return e?this.bb.__string(this.bb_pos+e,t):null}metadata(t){var e=this.bb.__offset(this.bb_pos,30);return e?this.bb.__string(this.bb_pos+e,t):null}static start(t){t.startObject(14)}static addName(t,e){t.addFieldOffset(0,e,0)}static addEnvelope(t,e){t.addFieldOffset(1,e,0)}static createEnvelopeVector(t,e){t.startVector(8,e.length,8);for(var i=e.length-1;i>=0;i--)t.addFloat64(e[i]);return t.endVector()}static startEnvelopeVector(t,e){t.startVector(8,e,8)}static addGeometryType(t,e){t.addFieldInt8(2,e,i.Unknown)}static addHasZ(t,e){t.addFieldInt8(3,+e,0)}static addHasM(t,e){t.addFieldInt8(4,+e,0)}static addHasT(t,e){t.addFieldInt8(5,+e,0)}static addHasTM(t,e){t.addFieldInt8(6,+e,0)}static addColumns(t,e){t.addFieldOffset(7,e,0)}static createColumnsVector(t,e){t.startVector(4,e.length,4);for(var i=e.length-1;i>=0;i--)t.addOffset(e[i]);return t.endVector()}static startColumnsVector(t,e){t.startVector(4,e,4)}static addFeaturesCount(t,e){t.addFieldInt64(8,e,t.createLong(0,0))}static addIndexNodeSize(t,e){t.addFieldInt16(9,e,16)}static addCrs(t,e){t.addFieldOffset(10,e,0)}static addTitle(t,e){t.addFieldOffset(11,e,0)}static addDescription(t,e){t.addFieldOffset(12,e,0)}static addMetadata(t,e){t.addFieldOffset(13,e,0)}static end(t){return t.endObject()}static finishBuffer(t,e){t.finish(e)}static finishSizePrefixedBuffer(t,e){t.finish(e,void 0,!0)}static create(t,e,i,r,s,n,o,a,b,h,u,f,c,l,_){return d.start(t),d.addName(t,e),d.addEnvelope(t,i),d.addGeometryType(t,r),d.addHasZ(t,s),d.addHasM(t,n),d.addHasT(t,o),d.addHasTM(t,a),d.addColumns(t,b),d.addFeaturesCount(t,h),d.addIndexNodeSize(t,u),d.addCrs(t,f),d.addTitle(t,c),d.addDescription(t,l),d.addMetadata(t,_),d.end(t)}}class h{constructor(t,e,i,r,s,n){this.org=t,this.code=e,this.name=i,this.description=r,this.wkt=s,this.code_string=n}}class u{constructor(t,e,i,r,s,n,o,a){this.geometryType=t,this.columns=e,this.featuresCount=i,this.indexNodeSize=r,this.crs=s,this.title=n,this.description=o,this.metadata=a}static fromByteBuffer(t){const i=d.getRoot(t),r=i.featuresCount().toFloat64(),s=i.indexNodeSize(),n=[];for(let t=0;t<i.columnsLength();t++){const r=i.columns(t);if(!r)throw new Error("Column unexpectedly missing");if(!r.name())throw new Error("Column name unexpectedly missing");n.push(new e(r.name(),r.type(),r.title(),r.description(),r.width(),r.precision(),r.scale(),r.nullable(),r.unique(),r.primaryKey()))}const o=i.crs(),a=o?new h(o.org(),o.code(),o.name(),o.description(),o.wkt(),o.codeString()):null;return new u(i.geometryType(),n,r,s,a,i.title(),i.description(),i.metadata())}}!function(t){t[t.Unknown=0]="Unknown",t[t.Point=1]="Point",t[t.LineString=2]="LineString",t[t.Polygon=3]="Polygon",t[t.MultiPoint=4]="MultiPoint",t[t.MultiLineString=5]="MultiLineString",t[t.MultiPolygon=6]="MultiPolygon",t[t.GeometryCollection=7]="GeometryCollection",t[t.CircularString=8]="CircularString",t[t.CompoundCurve=9]="CompoundCurve",t[t.CurvePolygon=10]="CurvePolygon",t[t.MultiCurve=11]="MultiCurve",t[t.MultiSurface=12]="MultiSurface",t[t.Curve=13]="Curve",t[t.Surface=14]="Surface",t[t.PolyhedralSurface=15]="PolyhedralSurface",t[t.TIN=16]="TIN",t[t.Triangle=17]="Triangle"}(s||(s={})),function(t){t[t.Byte=0]="Byte",t[t.UByte=1]="UByte",t[t.Bool=2]="Bool",t[t.Short=3]="Short",t[t.UShort=4]="UShort",t[t.Int=5]="Int",t[t.UInt=6]="UInt",t[t.Long=7]="Long",t[t.ULong=8]="ULong",t[t.Float=9]="Float",t[t.Double=10]="Double",t[t.String=11]="String",t[t.Json=12]="Json",t[t.DateTime=13]="DateTime",t[t.Binary=14]="Binary"}(n||(n={}));class f{constructor(){this.bb=null,this.bb_pos=0}__init(t,e){return this.bb_pos=t,this.bb=e,this}static getRoot(t,e){return(e||new f).__init(t.readInt32(t.position())+t.position(),t)}static getSizePrefixedRoot(t,e){return t.setPosition(t.position()+o.SIZE_PREFIX_LENGTH),(e||new f).__init(t.readInt32(t.position())+t.position(),t)}name(t){var e=this.bb.__offset(this.bb_pos,4);return e?this.bb.__string(this.bb_pos+e,t):null}type(){var t=this.bb.__offset(this.bb_pos,6);return t?this.bb.readUint8(this.bb_pos+t):n.Byte}title(t){var e=this.bb.__offset(this.bb_pos,8);return e?this.bb.__string(this.bb_pos+e,t):null}description(t){var e=this.bb.__offset(this.bb_pos,10);return e?this.bb.__string(this.bb_pos+e,t):null}width(){var t=this.bb.__offset(this.bb_pos,12);return t?this.bb.readInt32(this.bb_pos+t):-1}precision(){var t=this.bb.__offset(this.bb_pos,14);return t?this.bb.readInt32(this.bb_pos+t):-1}scale(){var t=this.bb.__offset(this.bb_pos,16);return t?this.bb.readInt32(this.bb_pos+t):-1}nullable(){var t=this.bb.__offset(this.bb_pos,18);return!t||!!this.bb.readInt8(this.bb_pos+t)}unique(){var t=this.bb.__offset(this.bb_pos,20);return!!t&&!!this.bb.readInt8(this.bb_pos+t)}primaryKey(){var t=this.bb.__offset(this.bb_pos,22);return!!t&&!!this.bb.readInt8(this.bb_pos+t)}metadata(t){var e=this.bb.__offset(this.bb_pos,24);return e?this.bb.__string(this.bb_pos+e,t):null}static start(t){t.startObject(11)}static addName(t,e){t.addFieldOffset(0,e,0)}static addType(t,e){t.addFieldInt8(1,e,n.Byte)}static addTitle(t,e){t.addFieldOffset(2,e,0)}static addDescription(t,e){t.addFieldOffset(3,e,0)}static addWidth(t,e){t.addFieldInt32(4,e,-1)}static addPrecision(t,e){t.addFieldInt32(5,e,-1)}static addScale(t,e){t.addFieldInt32(6,e,-1)}static addNullable(t,e){t.addFieldInt8(7,+e,1)}static addUnique(t,e){t.addFieldInt8(8,+e,0)}static addPrimaryKey(t,e){t.addFieldInt8(9,+e,0)}static addMetadata(t,e){t.addFieldOffset(10,e,0)}static end(t){var e=t.endObject();return t.requiredField(e,4),e}static create(t,e,i,r,s,n,o,a,b,d,h,u){return f.start(t),f.addName(t,e),f.addType(t,i),f.addTitle(t,r),f.addDescription(t,s),f.addWidth(t,n),f.addPrecision(t,o),f.addScale(t,a),f.addNullable(t,b),f.addUnique(t,d),f.addPrimaryKey(t,h),f.addMetadata(t,u),f.end(t)}}class c{constructor(){this.bb=null,this.bb_pos=0}__init(t,e){return this.bb_pos=t,this.bb=e,this}static getRoot(t,e){return(e||new c).__init(t.readInt32(t.position())+t.position(),t)}static getSizePrefixedRoot(t,e){return t.setPosition(t.position()+o.SIZE_PREFIX_LENGTH),(e||new c).__init(t.readInt32(t.position())+t.position(),t)}ends(t){var e=this.bb.__offset(this.bb_pos,4);return e?this.bb.readUint32(this.bb.__vector(this.bb_pos+e)+4*t):0}endsLength(){var t=this.bb.__offset(this.bb_pos,4);return t?this.bb.__vector_len(this.bb_pos+t):0}endsArray(){var t=this.bb.__offset(this.bb_pos,4);return t?new 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t?this.bb.__vector_len(this.bb_pos+t):0}type(){var t=this.bb.__offset(this.bb_pos,16);return t?this.bb.readUint8(this.bb_pos+t):s.Unknown}parts(t,e){var i=this.bb.__offset(this.bb_pos,18);return i?(e||new c).__init(this.bb.__indirect(this.bb.__vector(this.bb_pos+i)+4*t),this.bb):null}partsLength(){var t=this.bb.__offset(this.bb_pos,18);return t?this.bb.__vector_len(this.bb_pos+t):0}static start(t){t.startObject(8)}static addEnds(t,e){t.addFieldOffset(0,e,0)}static createEndsVector(t,e){t.startVector(4,e.length,4);for(var i=e.length-1;i>=0;i--)t.addInt32(e[i]);return t.endVector()}static startEndsVector(t,e){t.startVector(4,e,4)}static addXy(t,e){t.addFieldOffset(1,e,0)}static createXyVector(t,e){t.startVector(8,e.length,8);for(var i=e.length-1;i>=0;i--)t.addFloat64(e[i]);return t.endVector()}static startXyVector(t,e){t.startVector(8,e,8)}static addZ(t,e){t.addFieldOffset(2,e,0)}static createZVector(t,e){t.startVector(8,e.length,8);for(var i=e.length-1;i>=0;i--)t.addFloat64(e[i]);return t.endVector()}static startZVector(t,e){t.startVector(8,e,8)}static addM(t,e){t.addFieldOffset(3,e,0)}static createMVector(t,e){t.startVector(8,e.length,8);for(var i=e.length-1;i>=0;i--)t.addFloat64(e[i]);return t.endVector()}static startMVector(t,e){t.startVector(8,e,8)}static addT(t,e){t.addFieldOffset(4,e,0)}static createTVector(t,e){t.startVector(8,e.length,8);for(var i=e.length-1;i>=0;i--)t.addFloat64(e[i]);return t.endVector()}static startTVector(t,e){t.startVector(8,e,8)}static addTm(t,e){t.addFieldOffset(5,e,0)}static createTmVector(t,e){t.startVector(8,e.length,8);for(var i=e.length-1;i>=0;i--)t.addInt64(e[i]);return t.endVector()}static startTmVector(t,e){t.startVector(8,e,8)}static addType(t,e){t.addFieldInt8(6,e,s.Unknown)}static addParts(t,e){t.addFieldOffset(7,e,0)}static createPartsVector(t,e){t.startVector(4,e.length,4);for(var i=e.length-1;i>=0;i--)t.addOffset(e[i]);return t.endVector()}static startPartsVector(t,e){t.startVector(4,e,4)}static end(t){return t.endObject()}static create(t,e,i,r,s,n,o,a,b){return c.start(t),c.addEnds(t,e),c.addXy(t,i),c.addZ(t,r),c.addM(t,s),c.addT(t,n),c.addTm(t,o),c.addType(t,a),c.addParts(t,b),c.end(t)}}class l{constructor(){this.bb=null,this.bb_pos=0}__init(t,e){return this.bb_pos=t,this.bb=e,this}static getRoot(t,e){return(e||new l).__init(t.readInt32(t.position())+t.position(),t)}static getSizePrefixedRoot(t,e){return t.setPosition(t.position()+o.SIZE_PREFIX_LENGTH),(e||new l).__init(t.readInt32(t.position())+t.position(),t)}geometry(t){var e=this.bb.__offset(this.bb_pos,4);return e?(t||new c).__init(this.bb.__indirect(this.bb_pos+e),this.bb):null}properties(t){var e=this.bb.__offset(this.bb_pos,6);return e?this.bb.readUint8(this.bb.__vector(this.bb_pos+e)+t):0}propertiesLength(){var t=this.bb.__offset(this.bb_pos,6);return t?this.bb.__vector_len(this.bb_pos+t):0}propertiesArray(){var t=this.bb.__offset(this.bb_pos,6);return t?new 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x{constructor(t){this.buffer=new ArrayBuffer(0),this.head=0,this.httpClient="string"==typeof t?new V(t):t}clone(){let t=new x(this.httpClient);return t.buffer=this.buffer.slice(0),t.head=this.head,t}async getRange(t,e,i,r){L.debug(`need Range: ${t}-${t+e-1}`);const s=t-this.head,n=s+e;if(s>=0&&n<this.buffer.byteLength)return L.debug(`slicing existing Range: ${s}-${n-1}`),this.buffer.slice(s,n);let o=Math.max(e,i);return this.buffer=await this.httpClient.getRange(t,o,r),this.head=t,this.buffer.slice(0,e)}}class V{constructor(t){this.requestsEverMade=0,this.bytesEverRequested=0,this.url=t}async getRange(t,e,i){this.requestsEverMade+=1,this.bytesEverRequested+=e;let r=`bytes=${t}-${t+e-1}`;return L.debug(`request: #${this.requestsEverMade}, purpose: ${i}), bytes: (this_request: ${e}, ever: ${this.bytesEverRequested}), Range: ${r}`),(await fetch(this.url,{headers:{Range:r}})).arrayBuffer()}}async function R(t,e,i){let r=new Uint8Array(await t(4,"feature length"));if(0===r.byteLength)return;let s=new o.ByteBuffer(r);const n=s.readUint32(0);r=new Uint8Array(await t(n,"feature data"));const a=new Uint8Array(n+4);return a.set(r,4),s=new o.ByteBuffer(a),s.setPosition(4),i(l.getRoot(s),e)}function A(t){const e=new o.Builder;let i=null;t.columns&&(i=d.createColumnsVector(e,t.columns.map(t=>function(t,e){const i=t.createString(e.name);return a.start(t),a.addName(t,i),a.addType(t,e.type),a.end(t)}(e,t))));const r=e.createString("L1");d.start(e),d.addFeaturesCount(e,new o.Long(t.featuresCount,0)),d.addGeometryType(e,t.geometryType),d.addIndexNodeSize(e,0),i&&d.addColumns(e,i),d.addName(e,r);const s=d.end(e);return e.finishSizePrefixed(s),e.asUint8Array()}t.deserialize=function(t,e,i){return t instanceof Uint8Array?function(t,e){return{type:"FeatureCollection",features:function(t,e,i){if(!t.subarray(0,7).every((t,e)=>P[e]===t))throw new Error("Not a FlatGeobuf file");const r=new o.ByteBuffer(t),s=r.readUint32(P.length);r.setPosition(P.length+4);const n=u.fromByteBuffer(r);i&&i(n);let a=P.length+4+s;const{indexNodeSize:b,featuresCount:d}=n;b>0&&(a+=O(d,b));const h=[];for(;a<r.capacity();){const t=r.readUint32(a);r.setPosition(a+4);const i=l.getRoot(r);h.push(e(i,n)),a+=4+t}return h}(t,F,e)}}(t,i):t instanceof ReadableStream?function(t,e){return async function*(t,e,i){const r="function"==typeof(s=t).slice?s:new T("function"==typeof s.read?s:s.getReader());var s;const n=async t=>await r.slice(t);let a=new Uint8Array(await n(8));if(!a.every((t,e)=>P[e]===t))throw new Error("Not a FlatGeobuf file");a=new Uint8Array(await n(4));let b=new o.ByteBuffer(a);const d=b.readUint32(0);a=new Uint8Array(await n(d)),b=new o.ByteBuffer(a);const h=u.fromByteBuffer(b);i&&i(h);const{indexNodeSize:f,featuresCount:c}=h;if(f>0){const t=O(c,f);await n(t)}let l;for(;l=await R(n,h,e);)yield l}(t,F,e)}(t,i):function(t,e,i){return async function*(t,e,i,r){const s=await C.open(t);L.debug("opened reader"),r&&r(s.header);for await(let t of s.selectBbox(e)){let e=await s.readFeature(t[0]);yield i(e,s.header)}}(t,e,F,i)}(t,e,i)},t.serialize=function(t){return function(t){const i=function(t){const i=t.features[0],s=i.properties;let n=null;return s&&(n=Object.keys(s).map(t=>new e(t,function(t){if("boolean"==typeof t)return r.Bool;if("number"==typeof t)return t%1==0?r.Int:r.Double;if("string"==typeof t)return r.String;if(null===t)return r.String;throw new Error(`Unknown type (value '${t}')`)}(s[t]),null,null,-1,-1,-1,!0,!1,!1))),new u(g(i.geometry.type),n,t.features.length,0,null,null,null,null)}(t),s=A(i),n=t.features.map(t=>m(v(t.geometry),t.properties,i)),o=n.map(t=>t.length).reduce((t,e)=>t+e),a=new Uint8Array(P.length+s.length+o);a.set(s,P.length);let b=P.length+s.length;for(const t of n)a.set(t,b),b+=t.length;return a.set(P),a}(t)},Object.defineProperty(t,"__esModule",{value:!0})}(e)},function(t,e,i){(function(e){const r=i(3),s="undefined"==typeof window?e:window;s.loaders=s.loaders||{},t.exports=Object.assign(s.loaders,r)}).call(this,i(2))},function(t,e){var i;i=function(){return this}();try{i=i||new Function("return this")()}catch(t){"object"==typeof window&&(i=window)}t.exports=i},function(t,e,i){"use strict";i.r(e),i.d(e,"FlatGeobufLoader",(function(){return n}));var r=i(0);function s(t,e){if(0===t.byteLength)return[];const i=new Uint8Array(t),{features:s}=Object(r.deserialize)(i);return s}const n={...{id:"flatgeobuf",name:"FlatGeobuf",module:"flatgeobuf",version:"3.0.0-alpha.21",worker:!0,extensions:["fgb"],category:"geometry",options:{flatgeobuf:{}}},parse:async(t,e)=>s(t),parseSync:s,parseInBatchesFromStream:function(t,e){return Object(r.deserializeStream)(t)},binary:!0}}])}));
 //# sourceMappingURL=dist.min.js.map

dist/es5/flatgeobuf-loader.js

@@ -28,3 +28,3 @@ "use strict";
 
-var VERSION = typeof "3.0.0-alpha.20" !== 'undefined' ? "3.0.0-alpha.20" : 'latest';
+var VERSION = typeof "3.0.0-alpha.21" !== 'undefined' ? "3.0.0-alpha.21" : 'latest';
 var FlatGeobufWorkerLoader = {
@@ -31,0 +31,0 @@ id: 'flatgeobuf',

dist/esm/flatgeobuf-loader.js

@@ -10,3 +10,3 @@ import _asyncToGenerator from "@babel/runtime/helpers/esm/asyncToGenerator";
 import parseFlatGeobuf, { parseFlatGeobufInBatches } from './lib/parse-flatgeobuf';
-var VERSION = typeof "3.0.0-alpha.20" !== 'undefined' ? "3.0.0-alpha.20" : 'latest';
+var VERSION = typeof "3.0.0-alpha.21" !== 'undefined' ? "3.0.0-alpha.21" : 'latest';
 export var FlatGeobufWorkerLoader = {
@@ -13,0 +13,0 @@ id: 'flatgeobuf',

package.json

 {
   "name": "@loaders.gl/flatgeobuf",
   "description": "Loader for FlatGeobuf",
-  "version": "3.0.0-alpha.20",
+  "version": "3.0.0-alpha.21",
   "license": "MIT",
@@ -34,3 +34,3 @@ "publishConfig": {
   "dependencies": {
-    "@loaders.gl/loader-utils": "3.0.0-alpha.20",
+    "@loaders.gl/loader-utils": "3.0.0-alpha.21",
     "flatgeobuf": "^3.1.0"
@@ -41,3 +41,3 @@ },
   },
-  "gitHead": "a21d85019d34c9045feae797e22ee7ce7f34d648"
+  "gitHead": "c1f7d7bec911c704a190dbcf6b392a07a555771b"
 }

No alert changes

Worsened metrics

Total package byte prevSize

748139

-0.44%

Lines of code

4003

-0.72%

Dependency changes

• + Added

  @loaders.gl/loader-utils@3.0.0-alpha.21
  (transitive)

• + Added

  @loaders.gl/worker-utils@3.0.0-alpha.21
  (transitive)

• - Removed

  @loaders.gl/loader-utils@3.0.0-alpha.20
  (transitive)

• - Removed

  @loaders.gl/worker-utils@3.0.0-alpha.20
  (transitive)

• Updated

  @loaders.gl/loader-utils@3.0.0-alpha.21