@loaders.gl/draco - npm Package Compare versions

Comparing version 4.2.0-alpha.6 to 4.2.0-beta.1

dist/dist.dev.js

@@ -48,9 +48,2 @@ (function webpackUniversalModuleDefinition(root, factory) {
 
-  // (disabled):../worker-utils/src/lib/node/require-utils.node
-  var require_require_utils = __commonJS({
-    "(disabled):../worker-utils/src/lib/node/require-utils.node"() {
-      "use strict";
-    }
-  });
-
   // bundle.ts
@@ -73,2 +66,4 @@ var bundle_exports = {};
   var DracoLoader = {
+    dataType: null,
+    batchType: null,
     name: "Draco",
@@ -228,3 +223,7 @@ id: "draco",
     6: Uint32Array,
+    // 7: BigInt64Array,
+    // 8: BigUint64Array,
     9: Float32Array
+    // 10: Float64Array
+    // 11: BOOL - What array type do we use for this?
   };
@@ -402,10 +401,13 @@ var INDEX_ITEM_SIZE = 4;
         loaderAttribute.name = attributeName;
-        const { value, size } = this._getAttributeValues(dracoGeometry, loaderAttribute);
-        attributes[attributeName] = {
-          value,
-          size,
-          byteOffset: loaderAttribute.byte_offset,
-          byteStride: loaderAttribute.byte_stride,
-          normalized: loaderAttribute.normalized
-        };
+        const values = this._getAttributeValues(dracoGeometry, loaderAttribute);
+        if (values) {
+          const { value, size } = values;
+          attributes[attributeName] = {
+            value,
+            size,
+            byteOffset: loaderAttribute.byte_offset,
+            byteStride: loaderAttribute.byte_stride,
+            normalized: loaderAttribute.normalized
+          };
+        }
       }
@@ -452,2 +454,6 @@ return attributes;
       const TypedArrayCtor = DRACO_DATA_TYPE_TO_TYPED_ARRAY_MAP[attribute.data_type];
+      if (!TypedArrayCtor) {
+        console.warn(`DRACO: Unsupported attribute type ${attribute.data_type}`);
+        return null;
+      }
       const numComponents = attribute.num_components;
@@ -705,3 +711,2 @@ const numPoints = dracoGeometry.num_points();
   // ../worker-utils/src/lib/library-utils/library-utils.ts
-  var node = __toESM(require_require_utils(), 1);
   var loadLibraryPromises = {};
@@ -743,3 +748,4 @@ async function loadLibrary(libraryUrl, moduleName = null, options = {}, libraryName = null) {
       try {
-        return node && void 0 && await (void 0)(libraryUrl);
+        const { requireFromFile } = globalThis.loaders || {};
+        return await requireFromFile?.(libraryUrl);
       } catch (error) {
@@ -758,3 +764,4 @@ console.error(error);
     if (!isBrowser) {
-      return void 0 && (void 0)(scriptSource, id);
+      const { requireFromString } = globalThis.loaders || {};
+      return requireFromString?.(scriptSource, id);
     }
@@ -776,14 +783,16 @@ if (isWorker) {
   async function loadAsArrayBuffer(url) {
-    if (isBrowser || !void 0 || url.startsWith("http")) {
+    const { readFileAsArrayBuffer } = globalThis.loaders || {};
+    if (isBrowser || !readFileAsArrayBuffer || url.startsWith("http")) {
       const response = await fetch(url);
       return await response.arrayBuffer();
     }
-    return await (void 0)(url);
+    return await readFileAsArrayBuffer(url);
   }
   async function loadAsText(url) {
-    if (isBrowser || !void 0 || url.startsWith("http")) {
+    const { readFileAsText } = globalThis.loaders || {};
+    if (isBrowser || !readFileAsText || url.startsWith("http")) {
       const response = await fetch(url);
       return await response.text();
     }
-    return await (void 0)(url);
+    return await readFileAsText(url);
   }
@@ -816,7 +825,7 @@
     if (modules.draco3d) {
-      loadDecoderPromise = loadDecoderPromise || modules.draco3d.createDecoderModule({}).then((draco) => {
+      loadDecoderPromise ||= modules.draco3d.createDecoderModule({}).then((draco) => {
         return { draco };
       });
     } else {
-      loadDecoderPromise = loadDecoderPromise || loadDracoDecoder(options);
+      loadDecoderPromise ||= loadDracoDecoder(options);
     }
@@ -828,7 +837,7 @@ return await loadDecoderPromise;
     if (modules.draco3d) {
-      loadEncoderPromise = loadEncoderPromise || modules.draco3d.createEncoderModule({}).then((draco) => {
+      loadEncoderPromise ||= modules.draco3d.createEncoderModule({}).then((draco) => {
         return { draco };
       });
     } else {
-      loadEncoderPromise = loadEncoderPromise || loadDracoEncoder(options);
+      loadEncoderPromise ||= loadDracoEncoder(options);
     }
@@ -1118,4 +1127,6 @@ return await loadEncoderPromise;
         case Float32Array:
+          return builder.AddFloatAttribute(mesh, type, vertexCount, size, new Float32Array(buffer));
         default:
-          return builder.AddFloatAttribute(mesh, type, vertexCount, size, new Float32Array(buffer));
+          console.warn("Unsupported attribute type", attribute);
+          return -1;
       }
@@ -1122,0 +1133,0 @@ }

dist/dist.min.js

@@ -7,6 +7,6 @@ (function webpackUniversalModuleDefinition(root, factory) {
   else root['loaders'] = factory();})(globalThis, function () {
-"use strict";var __exports__=(()=>{var K=Object.create;var I=Object.defineProperty;var Z=Object.getOwnPropertyDescriptor;var J=Object.getOwnPropertyNames;var tt=Object.getPrototypeOf,et=Object.prototype.hasOwnProperty;var rt=(o,t)=>()=>(t||o((t={exports:{}}).exports,t),t.exports),ot=(o,t)=>{for(var e in t)I(o,e,{get:t[e],enumerable:!0})},O=(o,t,e,r)=>{if(t&&typeof t=="object"||typeof t=="function")for(let n of J(t))!et.call(o,n)&&n!==e&&I(o,n,{get:()=>t[n],enumerable:!(r=Z(t,n))||r.enumerable});return o},M=(o,t,e)=>(O(o,t,"default"),e&&O(e,t,"default")),nt=(o,t,e)=>(e=o!=null?K(tt(o)):{},O(t||!o||!o.__esModule?I(e,"default",{value:o,enumerable:!0}):e,o)),at=o=>O(I({},"__esModule",{value:!0}),o);var B=rt((Lt,N)=>{N.exports=globalThis.loaders});var w={};ot(w,{DRACO_EXTERNAL_LIBRARIES:()=>u,DRACO_EXTERNAL_LIBRARY_URLS:()=>b,DracoLoader:()=>Mt,DracoWorkerLoader:()=>x,DracoWriter:()=>H,DracoWriterWorker:()=>It});M(w,nt(B(),1));var y="4.2.0-alpha.5";var x={name:"Draco",id:"draco",module:"draco",version:y,worker:!0,extensions:["drc"],mimeTypes:["application/octet-stream"],binary:!0,tests:["DRACO"],options:{draco:{decoderType:typeof WebAssembly=="object"?"wasm":"js",libraryPath:"libs/",extraAttributes:{},attributeNameEntry:void 0}}};function P(o){switch(o.constructor){case Int8Array:return"int8";case Uint8Array:case Uint8ClampedArray:return"uint8";case Int16Array:return"int16";case Uint16Array:return"uint16";case Int32Array:return"int32";case Uint32Array:return"uint32";case Float32Array:return"float32";case Float64Array:return"float64";default:return"null"}}function L(o){let t=1/0,e=1/0,r=1/0,n=-1/0,a=-1/0,i=-1/0,s=o.POSITION?o.POSITION.value:[],c=s&&s.length;for(let d=0;d<c;d+=3){let f=s[d],m=s[d+1],A=s[d+2];t=f<t?f:t,e=m<e?m:e,r=A<r?A:r,n=f>n?f:n,a=m>a?m:a,i=A>i?A:i}return[[t,e,r],[n,a,i]]}function C(o,t,e){let r=P(t.value),n=e||k(t);return{name:o,type:{type:"fixed-size-list",listSize:t.size,children:[{name:"value",type:r}]},nullable:!1,metadata:n}}function k(o){let t={};return"byteOffset"in o&&(t.byteOffset=o.byteOffset.toString(10)),"byteStride"in o&&(t.byteStride=o.byteStride.toString(10)),"normalized"in o&&(t.normalized=o.normalized.toString()),t}function U(o,t,e){let r=W(t.metadata),n=[],a=it(t.attributes);for(let i in o){let s=o[i],c=z(i,s,a[i]);n.push(c)}if(e){let i=z("indices",e);n.push(i)}return{fields:n,metadata:r}}function it(o){let t={};for(let e in o){let r=o[e];t[r.name||"undefined"]=r}return t}function z(o,t,e){let r=e?W(e.metadata):void 0;return C(o,t,r)}function W(o){Object.entries(o);let t={};for(let e in o)t[`${e}.string`]=JSON.stringify(o[e]);return t}var $={POSITION:"POSITION",NORMAL:"NORMAL",COLOR:"COLOR_0",TEX_COORD:"TEXCOORD_0"},st={1:Int8Array,2:Uint8Array,3:Int16Array,4:Uint16Array,5:Int32Array,6:Uint32Array,9:Float32Array},ct=4,g=class{draco;decoder;metadataQuerier;constructor(t){this.draco=t,this.decoder=new this.draco.Decoder,this.metadataQuerier=new this.draco.MetadataQuerier}destroy(){this.draco.destroy(this.decoder),this.draco.destroy(this.metadataQuerier)}parseSync(t,e={}){let r=new this.draco.DecoderBuffer;r.Init(new Int8Array(t),t.byteLength),this._disableAttributeTransforms(e);let n=this.decoder.GetEncodedGeometryType(r),a=n===this.draco.TRIANGULAR_MESH?new this.draco.Mesh:new this.draco.PointCloud;try{let i;switch(n){case this.draco.TRIANGULAR_MESH:i=this.decoder.DecodeBufferToMesh(r,a);break;case this.draco.POINT_CLOUD:i=this.decoder.DecodeBufferToPointCloud(r,a);break;default:throw new Error("DRACO: Unknown geometry type.")}if(!i.ok()||!a.ptr){let A=`DRACO decompression failed: ${i.error_msg()}`;throw new Error(A)}let s=this._getDracoLoaderData(a,n,e),c=this._getMeshData(a,s,e),d=L(c.attributes),f=U(c.attributes,s,c.indices);return{loader:"draco",loaderData:s,header:{vertexCount:a.num_points(),boundingBox:d},...c,schema:f}}finally{this.draco.destroy(r),a&&this.draco.destroy(a)}}_getDracoLoaderData(t,e,r){let n=this._getTopLevelMetadata(t),a=this._getDracoAttributes(t,r);return{geometry_type:e,num_attributes:t.num_attributes(),num_points:t.num_points(),num_faces:t instanceof this.draco.Mesh?t.num_faces():0,metadata:n,attributes:a}}_getDracoAttributes(t,e){let r={};for(let n=0;n<t.num_attributes();n++){let a=this.decoder.GetAttribute(t,n),i=this._getAttributeMetadata(t,n);r[a.unique_id()]={unique_id:a.unique_id(),attribute_type:a.attribute_type(),data_type:a.data_type(),num_components:a.num_components(),byte_offset:a.byte_offset(),byte_stride:a.byte_stride(),normalized:a.normalized(),attribute_index:n,metadata:i};let s=this._getQuantizationTransform(a,e);s&&(r[a.unique_id()].quantization_transform=s);let c=this._getOctahedronTransform(a,e);c&&(r[a.unique_id()].octahedron_transform=c)}return r}_getMeshData(t,e,r){let n=this._getMeshAttributes(e,t,r);if(!n.POSITION)throw new Error("DRACO: No position attribute found.");if(t instanceof this.draco.Mesh)switch(r.topology){case"triangle-strip":return{topology:"triangle-strip",mode:4,attributes:n,indices:{value:this._getTriangleStripIndices(t),size:1}};case"triangle-list":default:return{topology:"triangle-list",mode:5,attributes:n,indices:{value:this._getTriangleListIndices(t),size:1}}}return{topology:"point-list",mode:0,attributes:n}}_getMeshAttributes(t,e,r){let n={};for(let a of Object.values(t.attributes)){let i=this._deduceAttributeName(a,r);a.name=i;let{value:s,size:c}=this._getAttributeValues(e,a);n[i]={value:s,size:c,byteOffset:a.byte_offset,byteStride:a.byte_stride,normalized:a.normalized}}return n}_getTriangleListIndices(t){let r=t.num_faces()*3,n=r*ct,a=this.draco._malloc(n);try{return this.decoder.GetTrianglesUInt32Array(t,n,a),new Uint32Array(this.draco.HEAPF32.buffer,a,r).slice()}finally{this.draco._free(a)}}_getTriangleStripIndices(t){let e=new this.draco.DracoInt32Array;try{return this.decoder.GetTriangleStripsFromMesh(t,e),lt(e)}finally{this.draco.destroy(e)}}_getAttributeValues(t,e){let r=st[e.data_type],n=e.num_components,i=t.num_points()*n,s=i*r.BYTES_PER_ELEMENT,c=dt(this.draco,r),d,f=this.draco._malloc(s);try{let m=this.decoder.GetAttribute(t,e.attribute_index);this.decoder.GetAttributeDataArrayForAllPoints(t,m,c,s,f),d=new r(this.draco.HEAPF32.buffer,f,i).slice()}finally{this.draco._free(f)}return{value:d,size:n}}_deduceAttributeName(t,e){let r=t.unique_id;for(let[i,s]of Object.entries(e.extraAttributes||{}))if(s===r)return i;let n=t.attribute_type;for(let i in $)if(this.draco[i]===n)return $[i];let a=e.attributeNameEntry||"name";return t.metadata[a]?t.metadata[a].string:`CUSTOM_ATTRIBUTE_${r}`}_getTopLevelMetadata(t){let e=this.decoder.GetMetadata(t);return this._getDracoMetadata(e)}_getAttributeMetadata(t,e){let r=this.decoder.GetAttributeMetadata(t,e);return this._getDracoMetadata(r)}_getDracoMetadata(t){if(!t||!t.ptr)return{};let e={},r=this.metadataQuerier.NumEntries(t);for(let n=0;n<r;n++){let a=this.metadataQuerier.GetEntryName(t,n);e[a]=this._getDracoMetadataField(t,a)}return e}_getDracoMetadataField(t,e){let r=new this.draco.DracoInt32Array;try{this.metadataQuerier.GetIntEntryArray(t,e,r);let n=ut(r);return{int:this.metadataQuerier.GetIntEntry(t,e),string:this.metadataQuerier.GetStringEntry(t,e),double:this.metadataQuerier.GetDoubleEntry(t,e),intArray:n}}finally{this.draco.destroy(r)}}_disableAttributeTransforms(t){let{quantizedAttributes:e=[],octahedronAttributes:r=[]}=t,n=[...e,...r];for(let a of n)this.decoder.SkipAttributeTransform(this.draco[a])}_getQuantizationTransform(t,e){let{quantizedAttributes:r=[]}=e,n=t.attribute_type();if(r.map(i=>this.decoder[i]).includes(n)){let i=new this.draco.AttributeQuantizationTransform;try{if(i.InitFromAttribute(t))return{quantization_bits:i.quantization_bits(),range:i.range(),min_values:new Float32Array([1,2,3]).map(s=>i.min_value(s))}}finally{this.draco.destroy(i)}}return null}_getOctahedronTransform(t,e){let{octahedronAttributes:r=[]}=e,n=t.attribute_type();if(r.map(i=>this.decoder[i]).includes(n)){let i=new this.draco.AttributeQuantizationTransform;try{if(i.InitFromAttribute(t))return{quantization_bits:i.quantization_bits()}}finally{this.draco.destroy(i)}}return null}};function dt(o,t){switch(t){case Float32Array:return o.DT_FLOAT32;case Int8Array:return o.DT_INT8;case Int16Array:return o.DT_INT16;case Int32Array:return o.DT_INT32;case Uint8Array:return o.DT_UINT8;case Uint16Array:return o.DT_UINT16;case Uint32Array:return o.DT_UINT32;default:return o.DT_INVALID}}function ut(o){let t=o.size(),e=new Int32Array(t);for(let r=0;r<t;r++)e[r]=o.GetValue(r);return e}function lt(o){let t=o.size(),e=new Int32Array(t);for(let r=0;r<t;r++)e[r]=o.GetValue(r);return e}function ft(){return globalThis._loadersgl_?.version||(globalThis._loadersgl_=globalThis._loadersgl_||{},globalThis._loadersgl_.version="4.2.0-alpha.5"),globalThis._loadersgl_.version}var v=ft();function j(o,t){if(!o)throw new Error(t||"loaders.gl assertion failed.")}var h={self:typeof self<"u"&&self,window:typeof window<"u"&&window,global:typeof global<"u"&&global,document:typeof document<"u"&&document},Ht=h.self||h.window||h.global||{},Kt=h.window||h.self||h.global||{},Zt=h.global||h.self||h.window||{},Jt=h.document||{};var p=typeof process!="object"||String(process)!=="[object process]"||process.browser,R=typeof importScripts=="function",te=typeof window<"u"&&typeof window.orientation<"u",q=typeof process<"u"&&process.version&&/v([0-9]*)/.exec(process.version),ee=q&&parseFloat(q[1])||0;var l={};var S={};async function _(o,t=null,e={},r=null){return t&&(o=V(o,t,e,r)),S[o]=S[o]||ht(o),await S[o]}function V(o,t,e={},r=null){if(!e.useLocalLibraries&&o.startsWith("http"))return o;r=r||o;let n=e.modules||{};return n[r]?n[r]:p?e.CDN?(j(e.CDN.startsWith("http")),`${e.CDN}/${t}@${v}/dist/libs/${r}`):R?`../src/libs/${r}`:`modules/${t}/src/libs/${r}`:`modules/${t}/dist/libs/${r}`}async function ht(o){if(o.endsWith("wasm"))return await At(o);if(!p)try{return l&&void 0&&await(void 0)(o)}catch(e){return console.error(e),null}if(R)return importScripts(o);let t=await yt(o);return mt(t,o)}function mt(o,t){if(!p)return void 0&&(void 0)(o,t);if(R)return eval.call(globalThis,o),null;let e=document.createElement("script");e.id=t;try{e.appendChild(document.createTextNode(o))}catch{e.text=o}return document.body.appendChild(e),null}async function At(o){return p||!void 0||o.startsWith("http")?await(await fetch(o)).arrayBuffer():await(void 0)(o)}async function yt(o){return p||!void 0||o.startsWith("http")?await(await fetch(o)).text():await(void 0)(o)}var pt="1.5.6",_t="1.4.1",F=`https://www.gstatic.com/draco/versioned/decoders/${pt}`,u={DECODER:"draco_wasm_wrapper.js",DECODER_WASM:"draco_decoder.wasm",FALLBACK_DECODER:"draco_decoder.js",ENCODER:"draco_encoder.js"},b={[u.DECODER]:`${F}/${u.DECODER}`,[u.DECODER_WASM]:`${F}/${u.DECODER_WASM}`,[u.FALLBACK_DECODER]:`${F}/${u.FALLBACK_DECODER}`,[u.ENCODER]:`https://raw.githubusercontent.com/google/draco/${_t}/javascript/${u.ENCODER}`},T,D;async function G(o){let t=o.modules||{};return t.draco3d?T=T||t.draco3d.createDecoderModule({}).then(e=>({draco:e})):T=T||bt(o),await T}async function Q(o){let t=o.modules||{};return t.draco3d?D=D||t.draco3d.createEncoderModule({}).then(e=>({draco:e})):D=D||Tt(o),await D}async function bt(o){let t,e;switch(o.draco&&o.draco.decoderType){case"js":t=await _(b[u.FALLBACK_DECODER],"draco",o,u.FALLBACK_DECODER);break;case"wasm":default:[t,e]=await Promise.all([await _(b[u.DECODER],"draco",o,u.DECODER),await _(b[u.DECODER_WASM],"draco",o,u.DECODER_WASM)])}return t=t||globalThis.DracoDecoderModule,await gt(t,e)}function gt(o,t){let e={};return t&&(e.wasmBinary=t),new Promise(r=>{o({...e,onModuleLoaded:n=>r({draco:n})})})}async function Tt(o){let t=await _(b[u.ENCODER],"draco",o,u.ENCODER);return t=t||globalThis.DracoEncoderModule,new Promise(e=>{t({onModuleLoaded:r=>e({draco:r})})})}var X={POSITION:"POSITION",NORMAL:"NORMAL",COLOR_0:"COLOR",TEXCOORD_0:"TEX_COORD"},Dt=()=>{},E=class{draco;dracoEncoder;dracoMeshBuilder;dracoMetadataBuilder;log;constructor(t){this.draco=t,this.dracoEncoder=new this.draco.Encoder,this.dracoMeshBuilder=new this.draco.MeshBuilder,this.dracoMetadataBuilder=new this.draco.MetadataBuilder}destroy(){this.destroyEncodedObject(this.dracoMeshBuilder),this.destroyEncodedObject(this.dracoEncoder),this.destroyEncodedObject(this.dracoMetadataBuilder),this.dracoMeshBuilder=null,this.dracoEncoder=null,this.draco=null}destroyEncodedObject(t){t&&this.draco.destroy(t)}encodeSync(t,e={}){return this.log=Dt,this._setOptions(e),e.pointcloud?this._encodePointCloud(t,e):this._encodeMesh(t,e)}_getAttributesFromMesh(t){let e={...t,...t.attributes};return t.indices&&(e.indices=t.indices),e}_encodePointCloud(t,e){let r=new this.draco.PointCloud;e.metadata&&this._addGeometryMetadata(r,e.metadata);let n=this._getAttributesFromMesh(t);this._createDracoPointCloud(r,n,e);let a=new this.draco.DracoInt8Array;try{let i=this.dracoEncoder.EncodePointCloudToDracoBuffer(r,!1,a);if(!(i>0))throw new Error("Draco encoding failed.");return this.log(`DRACO encoded ${r.num_points()} points
-        with ${r.num_attributes()} attributes into ${i} bytes`),Y(a)}finally{this.destroyEncodedObject(a),this.destroyEncodedObject(r)}}_encodeMesh(t,e){let r=new this.draco.Mesh;e.metadata&&this._addGeometryMetadata(r,e.metadata);let n=this._getAttributesFromMesh(t);this._createDracoMesh(r,n,e);let a=new this.draco.DracoInt8Array;try{let i=this.dracoEncoder.EncodeMeshToDracoBuffer(r,a);if(i<=0)throw new Error("Draco encoding failed.");return this.log(`DRACO encoded ${r.num_points()} points
-        with ${r.num_attributes()} attributes into ${i} bytes`),Y(a)}finally{this.destroyEncodedObject(a),this.destroyEncodedObject(r)}}_setOptions(t){if("speed"in t&&this.dracoEncoder.SetSpeedOptions(...t.speed),"method"in t){let e=this.draco[t.method||"MESH_SEQUENTIAL_ENCODING"];this.dracoEncoder.SetEncodingMethod(e)}if("quantization"in t)for(let e in t.quantization){let r=t.quantization[e],n=this.draco[e];this.dracoEncoder.SetAttributeQuantization(n,r)}}_createDracoMesh(t,e,r){let n=r.attributesMetadata||{};try{let a=this._getPositionAttribute(e);if(!a)throw new Error("positions");let i=a.length/3;for(let s in e){let c=e[s];s=X[s]||s;let d=this._addAttributeToMesh(t,s,c,i);d!==-1&&this._addAttributeMetadata(t,d,{name:s,...n[s]||{}})}}catch(a){throw this.destroyEncodedObject(t),a}return t}_createDracoPointCloud(t,e,r){let n=r.attributesMetadata||{};try{let a=this._getPositionAttribute(e);if(!a)throw new Error("positions");let i=a.length/3;for(let s in e){let c=e[s];s=X[s]||s;let d=this._addAttributeToMesh(t,s,c,i);d!==-1&&this._addAttributeMetadata(t,d,{name:s,...n[s]||{}})}}catch(a){throw this.destroyEncodedObject(t),a}return t}_addAttributeToMesh(t,e,r,n){if(!ArrayBuffer.isView(r))return-1;let a=this._getDracoAttributeType(e),i=r.length/n;if(a==="indices"){let d=r.length/3;return this.log(`Adding attribute ${e}, size ${d}`),this.dracoMeshBuilder.AddFacesToMesh(t,d,r),-1}this.log(`Adding attribute ${e}, size ${i}`);let s=this.dracoMeshBuilder,{buffer:c}=r;switch(r.constructor){case Int8Array:return s.AddInt8Attribute(t,a,n,i,new Int8Array(c));case Int16Array:return s.AddInt16Attribute(t,a,n,i,new Int16Array(c));case Int32Array:return s.AddInt32Attribute(t,a,n,i,new Int32Array(c));case Uint8Array:case Uint8ClampedArray:return s.AddUInt8Attribute(t,a,n,i,new Uint8Array(c));case Uint16Array:return s.AddUInt16Attribute(t,a,n,i,new Uint16Array(c));case Uint32Array:return s.AddUInt32Attribute(t,a,n,i,new Uint32Array(c));case Float32Array:default:return s.AddFloatAttribute(t,a,n,i,new Float32Array(c))}}_getDracoAttributeType(t){switch(t.toLowerCase()){case"indices":return"indices";case"position":case"positions":case"vertices":return this.draco.POSITION;case"normal":case"normals":return this.draco.NORMAL;case"color":case"colors":return this.draco.COLOR;case"texcoord":case"texcoords":return this.draco.TEX_COORD;default:return this.draco.GENERIC}}_getPositionAttribute(t){for(let e in t){let r=t[e];if(this._getDracoAttributeType(e)===this.draco.POSITION)return r}return null}_addGeometryMetadata(t,e){let r=new this.draco.Metadata;this._populateDracoMetadata(r,e),this.dracoMeshBuilder.AddMetadata(t,r)}_addAttributeMetadata(t,e,r){let n=new this.draco.Metadata;this._populateDracoMetadata(n,r),this.dracoMeshBuilder.SetMetadataForAttribute(t,e,n)}_populateDracoMetadata(t,e){for(let[r,n]of Et(e))switch(typeof n){case"number":Math.trunc(n)===n?this.dracoMetadataBuilder.AddIntEntry(t,r,n):this.dracoMetadataBuilder.AddDoubleEntry(t,r,n);break;case"object":n instanceof Int32Array&&this.dracoMetadataBuilder.AddIntEntryArray(t,r,n,n.length);break;case"string":default:this.dracoMetadataBuilder.AddStringEntry(t,r,n)}}};function Y(o){let t=o.size(),e=new ArrayBuffer(t),r=new Int8Array(e);for(let n=0;n<t;++n)r[n]=o.GetValue(n);return e}function Et(o){return o.entries&&!o.hasOwnProperty("entries")?o.entries():Object.entries(o)}var wt={pointcloud:!1,attributeNameEntry:"name"},H={name:"DRACO",id:"draco",module:"draco",version:y,extensions:["drc"],options:{draco:wt},encode:Ot};async function Ot(o,t={}){let{draco:e}=await Q(t),r=new E(e);try{return r.encodeSync(o,t.draco)}finally{r.destroy()}}var It={id:"draco-writer",name:"Draco compressed geometry writer",module:"draco",version:y,worker:!0,options:{draco:{},source:null}};var Mt={...x,parse:Rt};async function Rt(o,t){let{draco:e}=await G(t),r=new g(e);try{return r.parseSync(o,t?.draco)}finally{r.destroy()}}return at(w);})();
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I={dataType:null,batchType:null,name:"Draco",id:"draco",module:"draco",version:A,worker:!0,extensions:["drc"],mimeTypes:["application/octet-stream"],binary:!0,tests:["DRACO"],options:{draco:{decoderType:typeof WebAssembly=="object"?"wasm":"js",libraryPath:"libs/",extraAttributes:{},attributeNameEntry:void 0}}};function B(o){switch(o.constructor){case Int8Array:return"int8";case Uint8Array:case Uint8ClampedArray:return"uint8";case Int16Array:return"int16";case Uint16Array:return"uint16";case Int32Array:return"int32";case Uint32Array:return"uint32";case Float32Array:return"float32";case Float64Array:return"float64";default:return"null"}}function M(o){let t=1/0,e=1/0,r=1/0,n=-1/0,a=-1/0,i=-1/0,s=o.POSITION?o.POSITION.value:[],c=s&&s.length;for(let d=0;d<c;d+=3){let l=s[d],h=s[d+1],m=s[d+2];t=l<t?l:t,e=h<e?h:e,r=m<r?m:r,n=l>n?l:n,a=h>a?h:a,i=m>i?m:i}return[[t,e,r],[n,a,i]]}function R(o,t,e){let r=B(t.value),n=e||P(t);return{name:o,type:{type:"fixed-size-list",listSize:t.size,children:[{name:"value",type:r}]},nullable:!1,metadata:n}}function P(o){let t={};return"byteOffset"in o&&(t.byteOffset=o.byteOffset.toString(10)),"byteStride"in o&&(t.byteStride=o.byteStride.toString(10)),"normalized"in o&&(t.normalized=o.normalized.toString()),t}function U(o,t,e){let r=z(t.metadata),n=[],a=at(t.attributes);for(let i in o){let s=o[i],c=k(i,s,a[i]);n.push(c)}if(e){let i=k("indices",e);n.push(i)}return{fields:n,metadata:r}}function at(o){let t={};for(let e in o){let r=o[e];t[r.name||"undefined"]=r}return t}function k(o,t,e){let r=e?z(e.metadata):void 0;return R(o,t,r)}function z(o){Object.entries(o);let t={};for(let e in o)t[`${e}.string`]=JSON.stringify(o[e]);return t}var W={POSITION:"POSITION",NORMAL:"NORMAL",COLOR:"COLOR_0",TEX_COORD:"TEXCOORD_0"},it={1:Int8Array,2:Uint8Array,3:Int16Array,4:Uint16Array,5:Int32Array,6:Uint32Array,9:Float32Array},st=4,b=class{draco;decoder;metadataQuerier;constructor(t){this.draco=t,this.decoder=new this.draco.Decoder,this.metadataQuerier=new this.draco.MetadataQuerier}destroy(){this.draco.destroy(this.decoder),this.draco.destroy(this.metadataQuerier)}parseSync(t,e={}){let r=new this.draco.DecoderBuffer;r.Init(new Int8Array(t),t.byteLength),this._disableAttributeTransforms(e);let n=this.decoder.GetEncodedGeometryType(r),a=n===this.draco.TRIANGULAR_MESH?new this.draco.Mesh:new this.draco.PointCloud;try{let i;switch(n){case this.draco.TRIANGULAR_MESH:i=this.decoder.DecodeBufferToMesh(r,a);break;case this.draco.POINT_CLOUD:i=this.decoder.DecodeBufferToPointCloud(r,a);break;default:throw new Error("DRACO: Unknown geometry type.")}if(!i.ok()||!a.ptr){let m=`DRACO decompression failed: ${i.error_msg()}`;throw new Error(m)}let s=this._getDracoLoaderData(a,n,e),c=this._getMeshData(a,s,e),d=M(c.attributes),l=U(c.attributes,s,c.indices);return{loader:"draco",loaderData:s,header:{vertexCount:a.num_points(),boundingBox:d},...c,schema:l}}finally{this.draco.destroy(r),a&&this.draco.destroy(a)}}_getDracoLoaderData(t,e,r){let n=this._getTopLevelMetadata(t),a=this._getDracoAttributes(t,r);return{geometry_type:e,num_attributes:t.num_attributes(),num_points:t.num_points(),num_faces:t instanceof this.draco.Mesh?t.num_faces():0,metadata:n,attributes:a}}_getDracoAttributes(t,e){let r={};for(let n=0;n<t.num_attributes();n++){let a=this.decoder.GetAttribute(t,n),i=this._getAttributeMetadata(t,n);r[a.unique_id()]={unique_id:a.unique_id(),attribute_type:a.attribute_type(),data_type:a.data_type(),num_components:a.num_components(),byte_offset:a.byte_offset(),byte_stride:a.byte_stride(),normalized:a.normalized(),attribute_index:n,metadata:i};let s=this._getQuantizationTransform(a,e);s&&(r[a.unique_id()].quantization_transform=s);let c=this._getOctahedronTransform(a,e);c&&(r[a.unique_id()].octahedron_transform=c)}return r}_getMeshData(t,e,r){let n=this._getMeshAttributes(e,t,r);if(!n.POSITION)throw new Error("DRACO: No position attribute found.");if(t instanceof this.draco.Mesh)switch(r.topology){case"triangle-strip":return{topology:"triangle-strip",mode:4,attributes:n,indices:{value:this._getTriangleStripIndices(t),size:1}};case"triangle-list":default:return{topology:"triangle-list",mode:5,attributes:n,indices:{value:this._getTriangleListIndices(t),size:1}}}return{topology:"point-list",mode:0,attributes:n}}_getMeshAttributes(t,e,r){let n={};for(let a of Object.values(t.attributes)){let i=this._deduceAttributeName(a,r);a.name=i;let s=this._getAttributeValues(e,a);if(s){let{value:c,size:d}=s;n[i]={value:c,size:d,byteOffset:a.byte_offset,byteStride:a.byte_stride,normalized:a.normalized}}}return n}_getTriangleListIndices(t){let r=t.num_faces()*3,n=r*st,a=this.draco._malloc(n);try{return this.decoder.GetTrianglesUInt32Array(t,n,a),new Uint32Array(this.draco.HEAPF32.buffer,a,r).slice()}finally{this.draco._free(a)}}_getTriangleStripIndices(t){let e=new this.draco.DracoInt32Array;try{return this.decoder.GetTriangleStripsFromMesh(t,e),ut(e)}finally{this.draco.destroy(e)}}_getAttributeValues(t,e){let r=it[e.data_type];if(!r)return console.warn(`DRACO: Unsupported attribute type ${e.data_type}`),null;let n=e.num_components,i=t.num_points()*n,s=i*r.BYTES_PER_ELEMENT,c=ct(this.draco,r),d,l=this.draco._malloc(s);try{let h=this.decoder.GetAttribute(t,e.attribute_index);this.decoder.GetAttributeDataArrayForAllPoints(t,h,c,s,l),d=new r(this.draco.HEAPF32.buffer,l,i).slice()}finally{this.draco._free(l)}return{value:d,size:n}}_deduceAttributeName(t,e){let r=t.unique_id;for(let[i,s]of Object.entries(e.extraAttributes||{}))if(s===r)return i;let n=t.attribute_type;for(let i in W)if(this.draco[i]===n)return W[i];let a=e.attributeNameEntry||"name";return t.metadata[a]?t.metadata[a].string:`CUSTOM_ATTRIBUTE_${r}`}_getTopLevelMetadata(t){let e=this.decoder.GetMetadata(t);return this._getDracoMetadata(e)}_getAttributeMetadata(t,e){let r=this.decoder.GetAttributeMetadata(t,e);return this._getDracoMetadata(r)}_getDracoMetadata(t){if(!t||!t.ptr)return{};let e={},r=this.metadataQuerier.NumEntries(t);for(let n=0;n<r;n++){let a=this.metadataQuerier.GetEntryName(t,n);e[a]=this._getDracoMetadataField(t,a)}return e}_getDracoMetadataField(t,e){let r=new this.draco.DracoInt32Array;try{this.metadataQuerier.GetIntEntryArray(t,e,r);let n=dt(r);return{int:this.metadataQuerier.GetIntEntry(t,e),string:this.metadataQuerier.GetStringEntry(t,e),double:this.metadataQuerier.GetDoubleEntry(t,e),intArray:n}}finally{this.draco.destroy(r)}}_disableAttributeTransforms(t){let{quantizedAttributes:e=[],octahedronAttributes:r=[]}=t,n=[...e,...r];for(let a of n)this.decoder.SkipAttributeTransform(this.draco[a])}_getQuantizationTransform(t,e){let{quantizedAttributes:r=[]}=e,n=t.attribute_type();if(r.map(i=>this.decoder[i]).includes(n)){let i=new this.draco.AttributeQuantizationTransform;try{if(i.InitFromAttribute(t))return{quantization_bits:i.quantization_bits(),range:i.range(),min_values:new Float32Array([1,2,3]).map(s=>i.min_value(s))}}finally{this.draco.destroy(i)}}return null}_getOctahedronTransform(t,e){let{octahedronAttributes:r=[]}=e,n=t.attribute_type();if(r.map(i=>this.decoder[i]).includes(n)){let i=new this.draco.AttributeQuantizationTransform;try{if(i.InitFromAttribute(t))return{quantization_bits:i.quantization_bits()}}finally{this.draco.destroy(i)}}return null}};function ct(o,t){switch(t){case Float32Array:return o.DT_FLOAT32;case Int8Array:return o.DT_INT8;case Int16Array:return o.DT_INT16;case Int32Array:return o.DT_INT32;case Uint8Array:return o.DT_UINT8;case Uint16Array:return o.DT_UINT16;case Uint32Array:return o.DT_UINT32;default:return o.DT_INVALID}}function dt(o){let t=o.size(),e=new Int32Array(t);for(let r=0;r<t;r++)e[r]=o.GetValue(r);return e}function ut(o){let t=o.size(),e=new Int32Array(t);for(let r=0;r<t;r++)e[r]=o.GetValue(r);return e}function lt(){return globalThis._loadersgl_?.version||(globalThis._loadersgl_=globalThis._loadersgl_||{},globalThis._loadersgl_.version="4.2.0-alpha.6"),globalThis._loadersgl_.version}var $=lt();function v(o,t){if(!o)throw new Error(t||"loaders.gl assertion failed.")}var f={self:typeof self<"u"&&self,window:typeof window<"u"&&window,global:typeof global<"u"&&global,document:typeof document<"u"&&document},Yt=f.self||f.window||f.global||{},Ht=f.window||f.self||f.global||{},Kt=f.global||f.self||f.window||{},Zt=f.document||{};var y=typeof process!="object"||String(process)!=="[object process]"||process.browser,O=typeof importScripts=="function",Jt=typeof window<"u"&&typeof window.orientation<"u",j=typeof process<"u"&&process.version&&/v([0-9]*)/.exec(process.version),te=j&&parseFloat(j[1])||0;var x={};async function p(o,t=null,e={},r=null){return t&&(o=V(o,t,e,r)),x[o]=x[o]||ft(o),await x[o]}function V(o,t,e={},r=null){if(!e.useLocalLibraries&&o.startsWith("http"))return o;r=r||o;let n=e.modules||{};return n[r]?n[r]:y?e.CDN?(v(e.CDN.startsWith("http")),`${e.CDN}/${t}@${$}/dist/libs/${r}`):O?`../src/libs/${r}`:`modules/${t}/src/libs/${r}`:`modules/${t}/dist/libs/${r}`}async function ft(o){if(o.endsWith("wasm"))return await mt(o);if(!y)try{let{requireFromFile:e}=globalThis.loaders||{};return await e?.(o)}catch(e){return console.error(e),null}if(O)return importScripts(o);let t=await At(o);return ht(t,o)}function ht(o,t){if(!y){let{requireFromString:r}=globalThis.loaders||{};return r?.(o,t)}if(O)return eval.call(globalThis,o),null;let e=document.createElement("script");e.id=t;try{e.appendChild(document.createTextNode(o))}catch{e.text=o}return document.body.appendChild(e),null}async function mt(o){let{readFileAsArrayBuffer:t}=globalThis.loaders||{};return y||!t||o.startsWith("http")?await(await fetch(o)).arrayBuffer():await t(o)}async function At(o){let{readFileAsText:t}=globalThis.loaders||{};return y||!t||o.startsWith("http")?await(await fetch(o)).text():await t(o)}var yt="1.5.6",pt="1.4.1",L=`https://www.gstatic.com/draco/versioned/decoders/${yt}`,u={DECODER:"draco_wasm_wrapper.js",DECODER_WASM:"draco_decoder.wasm",FALLBACK_DECODER:"draco_decoder.js",ENCODER:"draco_encoder.js"},_={[u.DECODER]:`${L}/${u.DECODER}`,[u.DECODER_WASM]:`${L}/${u.DECODER_WASM}`,[u.FALLBACK_DECODER]:`${L}/${u.FALLBACK_DECODER}`,[u.ENCODER]:`https://raw.githubusercontent.com/google/draco/${pt}/javascript/${u.ENCODER}`},C,S;async function q(o){let t=o.modules||{};return t.draco3d?C||=t.draco3d.createDecoderModule({}).then(e=>({draco:e})):C||=_t(o),await C}async function G(o){let t=o.modules||{};return t.draco3d?S||=t.draco3d.createEncoderModule({}).then(e=>({draco:e})):S||=gt(o),await S}async function _t(o){let t,e;switch(o.draco&&o.draco.decoderType){case"js":t=await p(_[u.FALLBACK_DECODER],"draco",o,u.FALLBACK_DECODER);break;case"wasm":default:[t,e]=await Promise.all([await p(_[u.DECODER],"draco",o,u.DECODER),await p(_[u.DECODER_WASM],"draco",o,u.DECODER_WASM)])}return t=t||globalThis.DracoDecoderModule,await bt(t,e)}function bt(o,t){let e={};return t&&(e.wasmBinary=t),new Promise(r=>{o({...e,onModuleLoaded:n=>r({draco:n})})})}async function gt(o){let t=await p(_[u.ENCODER],"draco",o,u.ENCODER);return t=t||globalThis.DracoEncoderModule,new Promise(e=>{t({onModuleLoaded:r=>e({draco:r})})})}var Q={POSITION:"POSITION",NORMAL:"NORMAL",COLOR_0:"COLOR",TEXCOORD_0:"TEX_COORD"},Tt=()=>{},g=class{draco;dracoEncoder;dracoMeshBuilder;dracoMetadataBuilder;log;constructor(t){this.draco=t,this.dracoEncoder=new this.draco.Encoder,this.dracoMeshBuilder=new this.draco.MeshBuilder,this.dracoMetadataBuilder=new this.draco.MetadataBuilder}destroy(){this.destroyEncodedObject(this.dracoMeshBuilder),this.destroyEncodedObject(this.dracoEncoder),this.destroyEncodedObject(this.dracoMetadataBuilder),this.dracoMeshBuilder=null,this.dracoEncoder=null,this.draco=null}destroyEncodedObject(t){t&&this.draco.destroy(t)}encodeSync(t,e={}){return this.log=Tt,this._setOptions(e),e.pointcloud?this._encodePointCloud(t,e):this._encodeMesh(t,e)}_getAttributesFromMesh(t){let e={...t,...t.attributes};return t.indices&&(e.indices=t.indices),e}_encodePointCloud(t,e){let r=new this.draco.PointCloud;e.metadata&&this._addGeometryMetadata(r,e.metadata);let n=this._getAttributesFromMesh(t);this._createDracoPointCloud(r,n,e);let a=new this.draco.DracoInt8Array;try{let i=this.dracoEncoder.EncodePointCloudToDracoBuffer(r,!1,a);if(!(i>0))throw new Error("Draco encoding failed.");return this.log(`DRACO encoded ${r.num_points()} points
+        with ${r.num_attributes()} attributes into ${i} bytes`),X(a)}finally{this.destroyEncodedObject(a),this.destroyEncodedObject(r)}}_encodeMesh(t,e){let r=new this.draco.Mesh;e.metadata&&this._addGeometryMetadata(r,e.metadata);let n=this._getAttributesFromMesh(t);this._createDracoMesh(r,n,e);let a=new this.draco.DracoInt8Array;try{let i=this.dracoEncoder.EncodeMeshToDracoBuffer(r,a);if(i<=0)throw new Error("Draco encoding failed.");return this.log(`DRACO encoded ${r.num_points()} points
+        with ${r.num_attributes()} attributes into ${i} bytes`),X(a)}finally{this.destroyEncodedObject(a),this.destroyEncodedObject(r)}}_setOptions(t){if("speed"in t&&this.dracoEncoder.SetSpeedOptions(...t.speed),"method"in t){let e=this.draco[t.method||"MESH_SEQUENTIAL_ENCODING"];this.dracoEncoder.SetEncodingMethod(e)}if("quantization"in t)for(let e in t.quantization){let r=t.quantization[e],n=this.draco[e];this.dracoEncoder.SetAttributeQuantization(n,r)}}_createDracoMesh(t,e,r){let n=r.attributesMetadata||{};try{let a=this._getPositionAttribute(e);if(!a)throw new Error("positions");let i=a.length/3;for(let s in e){let c=e[s];s=Q[s]||s;let d=this._addAttributeToMesh(t,s,c,i);d!==-1&&this._addAttributeMetadata(t,d,{name:s,...n[s]||{}})}}catch(a){throw this.destroyEncodedObject(t),a}return t}_createDracoPointCloud(t,e,r){let n=r.attributesMetadata||{};try{let a=this._getPositionAttribute(e);if(!a)throw new Error("positions");let i=a.length/3;for(let s in e){let c=e[s];s=Q[s]||s;let d=this._addAttributeToMesh(t,s,c,i);d!==-1&&this._addAttributeMetadata(t,d,{name:s,...n[s]||{}})}}catch(a){throw this.destroyEncodedObject(t),a}return t}_addAttributeToMesh(t,e,r,n){if(!ArrayBuffer.isView(r))return-1;let a=this._getDracoAttributeType(e),i=r.length/n;if(a==="indices"){let d=r.length/3;return this.log(`Adding attribute ${e}, size ${d}`),this.dracoMeshBuilder.AddFacesToMesh(t,d,r),-1}this.log(`Adding attribute ${e}, size ${i}`);let s=this.dracoMeshBuilder,{buffer:c}=r;switch(r.constructor){case Int8Array:return s.AddInt8Attribute(t,a,n,i,new Int8Array(c));case Int16Array:return s.AddInt16Attribute(t,a,n,i,new Int16Array(c));case Int32Array:return s.AddInt32Attribute(t,a,n,i,new Int32Array(c));case Uint8Array:case Uint8ClampedArray:return s.AddUInt8Attribute(t,a,n,i,new Uint8Array(c));case Uint16Array:return s.AddUInt16Attribute(t,a,n,i,new Uint16Array(c));case Uint32Array:return s.AddUInt32Attribute(t,a,n,i,new Uint32Array(c));case Float32Array:return s.AddFloatAttribute(t,a,n,i,new Float32Array(c));default:return console.warn("Unsupported attribute type",r),-1}}_getDracoAttributeType(t){switch(t.toLowerCase()){case"indices":return"indices";case"position":case"positions":case"vertices":return this.draco.POSITION;case"normal":case"normals":return this.draco.NORMAL;case"color":case"colors":return this.draco.COLOR;case"texcoord":case"texcoords":return this.draco.TEX_COORD;default:return this.draco.GENERIC}}_getPositionAttribute(t){for(let e in t){let r=t[e];if(this._getDracoAttributeType(e)===this.draco.POSITION)return r}return null}_addGeometryMetadata(t,e){let r=new this.draco.Metadata;this._populateDracoMetadata(r,e),this.dracoMeshBuilder.AddMetadata(t,r)}_addAttributeMetadata(t,e,r){let n=new this.draco.Metadata;this._populateDracoMetadata(n,r),this.dracoMeshBuilder.SetMetadataForAttribute(t,e,n)}_populateDracoMetadata(t,e){for(let[r,n]of Dt(e))switch(typeof n){case"number":Math.trunc(n)===n?this.dracoMetadataBuilder.AddIntEntry(t,r,n):this.dracoMetadataBuilder.AddDoubleEntry(t,r,n);break;case"object":n instanceof Int32Array&&this.dracoMetadataBuilder.AddIntEntryArray(t,r,n,n.length);break;case"string":default:this.dracoMetadataBuilder.AddStringEntry(t,r,n)}}};function X(o){let t=o.size(),e=new ArrayBuffer(t),r=new Int8Array(e);for(let n=0;n<t;++n)r[n]=o.GetValue(n);return e}function Dt(o){return o.entries&&!o.hasOwnProperty("entries")?o.entries():Object.entries(o)}var Et={pointcloud:!1,attributeNameEntry:"name"},Y={name:"DRACO",id:"draco",module:"draco",version:A,extensions:["drc"],options:{draco:Et},encode:wt};async function wt(o,t={}){let{draco:e}=await G(t),r=new g(e);try{return r.encodeSync(o,t.draco)}finally{r.destroy()}}var Ot={id:"draco-writer",name:"Draco compressed geometry writer",module:"draco",version:A,worker:!0,options:{draco:{},source:null}};var It={...I,parse:Mt};async function Mt(o,t){let{draco:e}=await q(t),r=new b(e);try{return r.parseSync(o,t?.draco)}finally{r.destroy()}}return nt(T);})();
       return __exports__;
       });

dist/draco-loader.d.ts

@@ -1,2 +0,2 @@
-import type { Loader, LoaderOptions } from '@loaders.gl/loader-utils';
+import type { LoaderOptions } from '@loaders.gl/loader-utils';
 import type { DracoMesh } from "./lib/draco-types.js";
@@ -6,6 +6,7 @@ import type { DracoParseOptions } from "./lib/draco-parser.js";
     draco?: DracoParseOptions & {
+        /** @deprecated WASM decoding is faster but JS is more backwards compatible */
         decoderType?: 'wasm' | 'js';
+        /** @deprecated Specify where to load the Draco decoder library */
         libraryPath?: string;
-        extraAttributes?: any;
-        attributeNameEntry?: string;
+        /** Override the URL to the worker bundle (by default loads from unpkg.com) */
         workerUrl?: string;
@@ -17,3 +18,23 @@ };
  */
-export declare const DracoLoader: Loader<DracoMesh, never, DracoLoaderOptions>;
+export declare const DracoLoader: {
+    readonly dataType: DracoMesh;
+    readonly batchType: never;
+    readonly name: "Draco";
+    readonly id: "draco";
+    readonly module: "draco";
+    readonly version: any;
+    readonly worker: true;
+    readonly extensions: ["drc"];
+    readonly mimeTypes: ["application/octet-stream"];
+    readonly binary: true;
+    readonly tests: ["DRACO"];
+    readonly options: {
+        readonly draco: {
+            readonly decoderType: "wasm" | "js";
+            readonly libraryPath: "libs/";
+            readonly extraAttributes: {};
+            readonly attributeNameEntry: undefined;
+        };
+    };
+};
 //# sourceMappingURL=draco-loader.d.ts.map

dist/draco-loader.js

@@ -9,2 +9,4 @@ // loaders.gl
 export const DracoLoader = {
+    dataType: null,
+    batchType: null,
     name: 'Draco',
@@ -11,0 +13,0 @@ id: 'draco',

dist/draco-worker.js

 "use strict";
 (() => {
-  var __create = Object.create;
-  var __defProp = Object.defineProperty;
-  var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
-  var __getOwnPropNames = Object.getOwnPropertyNames;
-  var __getProtoOf = Object.getPrototypeOf;
-  var __hasOwnProp = Object.prototype.hasOwnProperty;
-  var __commonJS = (cb, mod) => function __require() {
-    return mod || (0, cb[__getOwnPropNames(cb)[0]])((mod = { exports: {} }).exports, mod), mod.exports;
-  };
-  var __copyProps = (to, from, except, desc) => {
-    if (from && typeof from === "object" || typeof from === "function") {
-      for (let key of __getOwnPropNames(from))
-        if (!__hasOwnProp.call(to, key) && key !== except)
-          __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
-    }
-    return to;
-  };
-  var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
-    // If the importer is in node compatibility mode or this is not an ESM
-    // file that has been converted to a CommonJS file using a Babel-
-    // compatible transform (i.e. "__esModule" has not been set), then set
-    // "default" to the CommonJS "module.exports" for node compatibility.
-    isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
-    mod
-  ));
-
-  // (disabled):../worker-utils/src/lib/node/require-utils.node
-  var require_require_utils = __commonJS({
-    "(disabled):../worker-utils/src/lib/node/require-utils.node"() {
-      "use strict";
-    }
-  });
-
   // ../worker-utils/src/lib/env-utils/version.ts
@@ -46,3 +13,3 @@ function getVersion() {
       } else {
-        globalThis._loadersgl_.version = "4.2.0-alpha.5";
+        globalThis._loadersgl_.version = "4.2.0-alpha.6";
       }
@@ -200,3 +167,2 @@ }
   // ../worker-utils/src/lib/library-utils/library-utils.ts
-  var node = __toESM(require_require_utils(), 1);
   var loadLibraryPromises = {};
@@ -238,3 +204,4 @@ async function loadLibrary(libraryUrl, moduleName = null, options = {}, libraryName = null) {
       try {
-        return node && void 0 && await (void 0)(libraryUrl);
+        const { requireFromFile } = globalThis.loaders || {};
+        return await requireFromFile?.(libraryUrl);
       } catch (error) {
@@ -253,3 +220,4 @@ console.error(error);
     if (!isBrowser) {
-      return void 0 && (void 0)(scriptSource, id);
+      const { requireFromString } = globalThis.loaders || {};
+      return requireFromString?.(scriptSource, id);
     }
@@ -271,14 +239,16 @@ if (isWorker) {
   async function loadAsArrayBuffer(url) {
-    if (isBrowser || !void 0 || url.startsWith("http")) {
+    const { readFileAsArrayBuffer } = globalThis.loaders || {};
+    if (isBrowser || !readFileAsArrayBuffer || url.startsWith("http")) {
       const response = await fetch(url);
       return await response.arrayBuffer();
     }
-    return await (void 0)(url);
+    return await readFileAsArrayBuffer(url);
   }
   async function loadAsText(url) {
-    if (isBrowser || !void 0 || url.startsWith("http")) {
+    const { readFileAsText } = globalThis.loaders || {};
+    if (isBrowser || !readFileAsText || url.startsWith("http")) {
       const response = await fetch(url);
       return await response.text();
     }
-    return await (void 0)(url);
+    return await readFileAsText(url);
   }
@@ -368,6 +338,8 @@
   // src/lib/utils/version.ts
-  var VERSION2 = true ? "4.2.0-alpha.5" : "latest";
+  var VERSION2 = true ? "4.2.0-alpha.6" : "latest";
 
   // src/draco-loader.ts
   var DracoLoader = {
+    dataType: null,
+    batchType: null,
     name: "Draco",
@@ -527,3 +499,7 @@ id: "draco",
     6: Uint32Array,
+    // 7: BigInt64Array,
+    // 8: BigUint64Array,
     9: Float32Array
+    // 10: Float64Array
+    // 11: BOOL - What array type do we use for this?
   };
@@ -701,10 +677,13 @@ var INDEX_ITEM_SIZE = 4;
         loaderAttribute.name = attributeName;
-        const { value, size } = this._getAttributeValues(dracoGeometry, loaderAttribute);
-        attributes[attributeName] = {
-          value,
-          size,
-          byteOffset: loaderAttribute.byte_offset,
-          byteStride: loaderAttribute.byte_stride,
-          normalized: loaderAttribute.normalized
-        };
+        const values = this._getAttributeValues(dracoGeometry, loaderAttribute);
+        if (values) {
+          const { value, size } = values;
+          attributes[attributeName] = {
+            value,
+            size,
+            byteOffset: loaderAttribute.byte_offset,
+            byteStride: loaderAttribute.byte_stride,
+            normalized: loaderAttribute.normalized
+          };
+        }
       }
@@ -751,2 +730,6 @@ return attributes;
       const TypedArrayCtor = DRACO_DATA_TYPE_TO_TYPED_ARRAY_MAP[attribute.data_type];
+      if (!TypedArrayCtor) {
+        console.warn(`DRACO: Unsupported attribute type ${attribute.data_type}`);
+        return null;
+      }
       const numComponents = attribute.num_components;
@@ -982,7 +965,7 @@ const numPoints = dracoGeometry.num_points();
     if (modules.draco3d) {
-      loadDecoderPromise = loadDecoderPromise || modules.draco3d.createDecoderModule({}).then((draco) => {
+      loadDecoderPromise ||= modules.draco3d.createDecoderModule({}).then((draco) => {
         return { draco };
       });
     } else {
-      loadDecoderPromise = loadDecoderPromise || loadDracoDecoder(options);
+      loadDecoderPromise ||= loadDracoDecoder(options);
     }
@@ -989,0 +972,0 @@ return await loadDecoderPromise;

dist/draco-writer-worker.js

 "use strict";
 (() => {
-  var __create = Object.create;
-  var __defProp = Object.defineProperty;
-  var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
-  var __getOwnPropNames = Object.getOwnPropertyNames;
-  var __getProtoOf = Object.getPrototypeOf;
-  var __hasOwnProp = Object.prototype.hasOwnProperty;
-  var __commonJS = (cb, mod) => function __require() {
-    return mod || (0, cb[__getOwnPropNames(cb)[0]])((mod = { exports: {} }).exports, mod), mod.exports;
-  };
-  var __copyProps = (to, from, except, desc) => {
-    if (from && typeof from === "object" || typeof from === "function") {
-      for (let key of __getOwnPropNames(from))
-        if (!__hasOwnProp.call(to, key) && key !== except)
-          __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
-    }
-    return to;
-  };
-  var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
-    // If the importer is in node compatibility mode or this is not an ESM
-    // file that has been converted to a CommonJS file using a Babel-
-    // compatible transform (i.e. "__esModule" has not been set), then set
-    // "default" to the CommonJS "module.exports" for node compatibility.
-    isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
-    mod
-  ));
-
-  // (disabled):../worker-utils/src/lib/node/require-utils.node
-  var require_require_utils = __commonJS({
-    "(disabled):../worker-utils/src/lib/node/require-utils.node"() {
-      "use strict";
-    }
-  });
-
   // ../worker-utils/src/lib/env-utils/version.ts
@@ -46,3 +13,3 @@ function getVersion() {
       } else {
-        globalThis._loadersgl_.version = "4.2.0-alpha.5";
+        globalThis._loadersgl_.version = "4.2.0-alpha.6";
       }
@@ -200,3 +167,2 @@ }
   // ../worker-utils/src/lib/library-utils/library-utils.ts
-  var node = __toESM(require_require_utils(), 1);
   var loadLibraryPromises = {};
@@ -238,3 +204,4 @@ async function loadLibrary(libraryUrl, moduleName = null, options = {}, libraryName = null) {
       try {
-        return node && void 0 && await (void 0)(libraryUrl);
+        const { requireFromFile } = globalThis.loaders || {};
+        return await requireFromFile?.(libraryUrl);
       } catch (error) {
@@ -253,3 +220,4 @@ console.error(error);
     if (!isBrowser) {
-      return void 0 && (void 0)(scriptSource, id);
+      const { requireFromString } = globalThis.loaders || {};
+      return requireFromString?.(scriptSource, id);
     }
@@ -271,14 +239,16 @@ if (isWorker) {
   async function loadAsArrayBuffer(url) {
-    if (isBrowser || !void 0 || url.startsWith("http")) {
+    const { readFileAsArrayBuffer } = globalThis.loaders || {};
+    if (isBrowser || !readFileAsArrayBuffer || url.startsWith("http")) {
       const response = await fetch(url);
       return await response.arrayBuffer();
     }
-    return await (void 0)(url);
+    return await readFileAsArrayBuffer(url);
   }
   async function loadAsText(url) {
-    if (isBrowser || !void 0 || url.startsWith("http")) {
+    const { readFileAsText } = globalThis.loaders || {};
+    if (isBrowser || !readFileAsText || url.startsWith("http")) {
       const response = await fetch(url);
       return await response.text();
     }
-    return await (void 0)(url);
+    return await readFileAsText(url);
   }
@@ -506,4 +476,6 @@
         case Float32Array:
+          return builder.AddFloatAttribute(mesh, type, vertexCount, size, new Float32Array(buffer));
         default:
-          return builder.AddFloatAttribute(mesh, type, vertexCount, size, new Float32Array(buffer));
+          console.warn("Unsupported attribute type", attribute);
+          return -1;
       }
@@ -637,7 +609,7 @@ }
     if (modules.draco3d) {
-      loadEncoderPromise = loadEncoderPromise || modules.draco3d.createEncoderModule({}).then((draco) => {
+      loadEncoderPromise ||= modules.draco3d.createEncoderModule({}).then((draco) => {
         return { draco };
       });
     } else {
-      loadEncoderPromise = loadEncoderPromise || loadDracoEncoder(options);
+      loadEncoderPromise ||= loadDracoEncoder(options);
     }
@@ -663,3 +635,3 @@ return await loadEncoderPromise;
   // src/lib/utils/version.ts
-  var VERSION2 = true ? "4.2.0-alpha.5" : "latest";
+  var VERSION2 = true ? "4.2.0-alpha.6" : "latest";
 
@@ -666,0 +638,0 @@ // src/draco-writer.ts

dist/draco-writer.d.ts

@@ -1,2 +0,2 @@
-import type { WriterWithEncoder, WriterOptions } from '@loaders.gl/loader-utils';
+import type { WriterOptions } from '@loaders.gl/loader-utils';
 import type { DracoMesh } from "./lib/draco-types.js";
@@ -16,3 +16,18 @@ import type { DracoBuildOptions } from "./lib/draco-builder.js";
  */
-export declare const DracoWriter: WriterWithEncoder<DracoMesh, unknown, DracoWriterOptions>;
+export declare const DracoWriter: {
+    readonly name: "DRACO";
+    readonly id: "draco";
+    readonly module: "draco";
+    readonly version: any;
+    readonly extensions: ["drc"];
+    readonly options: {
+        readonly draco: {
+            pointcloud: boolean;
+            attributeNameEntry: string;
+        };
+    };
+    readonly encode: typeof encode;
+};
+declare function encode(data: DracoMesh, options?: DracoWriterOptions): Promise<ArrayBuffer>;
+export {};
 //# sourceMappingURL=draco-writer.d.ts.map

dist/index.d.ts

@@ -1,2 +0,1 @@
-import type { LoaderWithParser } from '@loaders.gl/loader-utils';
 import type { DracoMesh, DracoLoaderData } from "./lib/draco-types.js";
@@ -29,3 +28,25 @@ import type { DracoLoaderOptions } from "./draco-loader.js";
  */
-export declare const DracoLoader: LoaderWithParser<DracoMesh, never, DracoLoaderOptions>;
+export declare const DracoLoader: {
+    readonly parse: typeof parse;
+    readonly dataType: DracoMesh;
+    readonly batchType: never;
+    readonly name: "Draco";
+    readonly id: "draco";
+    readonly module: "draco";
+    readonly version: any;
+    readonly worker: true;
+    readonly extensions: ["drc"];
+    readonly mimeTypes: ["application/octet-stream"];
+    readonly binary: true;
+    readonly tests: ["DRACO"];
+    readonly options: {
+        readonly draco: {
+            readonly decoderType: "wasm" | "js";
+            readonly libraryPath: "libs/";
+            readonly extraAttributes: {};
+            readonly attributeNameEntry: undefined;
+        };
+    };
+};
+declare function parse(arrayBuffer: ArrayBuffer, options?: DracoLoaderOptions): Promise<DracoMesh>;
 //# sourceMappingURL=index.d.ts.map

dist/lib/draco-builder.d.ts

@@ -73,3 +73,3 @@ import type { Draco3D, Encoder, Mesh, MeshBuilder, PointCloud, Metadata, MetadataBuilder, draco_GeometryAttribute_Type } from "../draco3d/draco3d-types.js";
      */
-    _addAttributeToMesh(mesh: PointCloud, attributeName: string, attribute: TypedArray, vertexCount: number): any;
+    _addAttributeToMesh(mesh: PointCloud, attributeName: string, attribute: TypedArray, vertexCount: number): number;
     /**
@@ -76,0 +76,0 @@ * DRACO can compress attributes of know type better

dist/lib/draco-builder.js

@@ -229,4 +229,10 @@ // Native Draco attribute names to GLTF attribute names.
             case Float32Array:
+                return builder.AddFloatAttribute(mesh, type, vertexCount, size, new Float32Array(buffer));
+            // case Float64Array:
+            // Add attribute does not seem to be exposed
+            //   return builder.AddAttribute(mesh, type, vertexCount, size, new Float32Array(buffer));
             default:
-                return builder.AddFloatAttribute(mesh, type, vertexCount, size, new Float32Array(buffer));
+                // eslint-disable-next-line no-console
+                console.warn('Unsupported attribute type', attribute);
+                return -1;
         }
@@ -233,0 +239,0 @@ }

dist/lib/draco-module-loader.js

@@ -30,11 +30,9 @@ // Dynamic DRACO module loading inspired by THREE.DRACOLoader
     if (modules.draco3d) {
-        loadDecoderPromise =
-            loadDecoderPromise ||
-                modules.draco3d.createDecoderModule({}).then((draco) => {
-                    return { draco };
-                });
+        loadDecoderPromise ||= modules.draco3d.createDecoderModule({}).then((draco) => {
+            return { draco };
+        });
     }
     else {
         // If not, dynamically load the WASM script from our CDN
-        loadDecoderPromise = loadDecoderPromise || loadDracoDecoder(options);
+        loadDecoderPromise ||= loadDracoDecoder(options);
     }
@@ -47,11 +45,9 @@ return await loadDecoderPromise;
     if (modules.draco3d) {
-        loadEncoderPromise =
-            loadEncoderPromise ||
-                modules.draco3d.createEncoderModule({}).then((draco) => {
-                    return { draco };
-                });
+        loadEncoderPromise ||= modules.draco3d.createEncoderModule({}).then((draco) => {
+            return { draco };
+        });
     }
     else {
         // If not, dynamically load the WASM script from our CDN
-        loadEncoderPromise = loadEncoderPromise || loadDracoEncoder(options);
+        loadEncoderPromise ||= loadDracoEncoder(options);
     }
@@ -58,0 +54,0 @@ return await loadEncoderPromise;

dist/lib/draco-parser.d.ts

 import type { TypedArray, MeshAttribute, MeshGeometry } from '@loaders.gl/schema';
 import type { Draco3D, Decoder, Mesh, PointCloud, PointAttribute, Metadata, MetadataQuerier } from "../draco3d/draco3d-types.js";
 import type { DracoMesh, DracoLoaderData, DracoAttribute, DracoMetadataEntry, DracoQuantizationTransform, DracoOctahedronTransform } from "./draco-types.js";
-/**
- * @param topology - How triangle indices should be generated (mesh only)
- * @param attributeNameEntry
- * @param extraAttributes
- * @param quantizedAttributes
- * @param octahedronAttributes
- */
+/** Options to control draco parsing */
 export type DracoParseOptions = {
+    /** How triangle indices should be generated (mesh only) */
     topology?: 'triangle-list' | 'triangle-strip';
+    /** Specify which attribute metadata entry stores the attribute name */
     attributeNameEntry?: string;
+    /** Names and ids of extra attributes to include in the output */
     extraAttributes?: {
         [uniqueId: string]: number;
     };
+    /** Skip transforms specific quantized attributes */
     quantizedAttributes?: ('POSITION' | 'NORMAL' | 'COLOR' | 'TEX_COORD' | 'GENERIC')[];
+    /** Skip transforms specific octahedron encoded  attributes */
     octahedronAttributes?: ('POSITION' | 'NORMAL' | 'COLOR' | 'TEX_COORD' | 'GENERIC')[];
@@ -81,3 +80,3 @@ };
         size: number;
-    };
+    } | null;
     /**
@@ -84,0 +83,0 @@ * DRACO does not store attribute names - We need to deduce an attribute name

dist/lib/draco-parser.js

@@ -24,3 +24,7 @@ /* eslint-disable camelcase */
     6: Uint32Array,
+    // 7: BigInt64Array,
+    // 8: BigUint64Array,
     9: Float32Array
+    // 10: Float64Array
+    // 11: BOOL - What array type do we use for this?
 };
@@ -204,10 +208,13 @@ const INDEX_ITEM_SIZE = 4;
             loaderAttribute.name = attributeName;
-            const { value, size } = this._getAttributeValues(dracoGeometry, loaderAttribute);
-            attributes[attributeName] = {
-                value,
-                size,
-                byteOffset: loaderAttribute.byte_offset,
-                byteStride: loaderAttribute.byte_stride,
-                normalized: loaderAttribute.normalized
-            };
+            const values = this._getAttributeValues(dracoGeometry, loaderAttribute);
+            if (values) {
+                const { value, size } = values;
+                attributes[attributeName] = {
+                    value,
+                    size,
+                    byteOffset: loaderAttribute.byte_offset,
+                    byteStride: loaderAttribute.byte_stride,
+                    normalized: loaderAttribute.normalized
+                };
+            }
         }
@@ -257,2 +264,7 @@ return attributes;
         const TypedArrayCtor = DRACO_DATA_TYPE_TO_TYPED_ARRAY_MAP[attribute.data_type];
+        if (!TypedArrayCtor) {
+            // eslint-disable-next-line no-console
+            console.warn(`DRACO: Unsupported attribute type ${attribute.data_type}`);
+            return null;
+        }
         const numComponents = attribute.num_components;
@@ -259,0 +271,0 @@ const numPoints = dracoGeometry.num_points();

dist/lib/utils/version.js

 // Version constant cannot be imported, it needs to correspond to the build version of **this** module.
 // __VERSION__ is injected by babel-plugin-version-inline
 // @ts-ignore TS2304: Cannot find name '__VERSION__'.
-export const VERSION = typeof "4.2.0-alpha.5" !== 'undefined' ? "4.2.0-alpha.5" : 'latest';
+export const VERSION = typeof "4.2.0-alpha.6" !== 'undefined' ? "4.2.0-alpha.6" : 'latest';

package.json

 {
   "name": "@loaders.gl/draco",
-  "version": "4.2.0-alpha.6",
+  "version": "4.2.0-beta.1",
   "description": "Framework-independent loader and writer for Draco compressed meshes and point clouds",
@@ -60,11 +60,14 @@ "license": "MIT",
   "dependencies": {
-    "@loaders.gl/loader-utils": "4.2.0-alpha.6",
-    "@loaders.gl/schema": "4.2.0-alpha.6",
-    "@loaders.gl/worker-utils": "4.2.0-alpha.6",
-    "draco3d": "1.5.5"
+    "@loaders.gl/loader-utils": "4.2.0-beta.1",
+    "@loaders.gl/schema": "4.2.0-beta.1",
+    "@loaders.gl/worker-utils": "4.2.0-beta.1",
+    "draco3d": "1.5.7"
   },
+  "devDependencies": {
+    "@types/draco3d": "^1.4.9"
+  },
   "peerDependencies": {
     "@loaders.gl/core": "^4.0.0"
   },
-  "gitHead": "37bd8ca71763529f18727ee4bf29dd176aa914ca"
+  "gitHead": "c386a9196516fe3ff24847b40e6c77be039cf905"
 }

src/draco-loader.ts

@@ -12,6 +12,7 @@ // loaders.gl
   draco?: DracoParseOptions & {
+    /** @deprecated WASM decoding is faster but JS is more backwards compatible */
     decoderType?: 'wasm' | 'js';
+    /** @deprecated Specify where to load the Draco decoder library */
     libraryPath?: string;
-    extraAttributes?;
-    attributeNameEntry?: string;
+    /** Override the URL to the worker bundle (by default loads from unpkg.com) */
     workerUrl?: string;
@@ -24,3 +25,5 @@ };
  */
-export const DracoLoader: Loader<DracoMesh, never, DracoLoaderOptions> = {
+export const DracoLoader = {
+  dataType: null as unknown as DracoMesh,
+  batchType: null as never,
   name: 'Draco',
@@ -44,2 +47,2 @@ id: 'draco',
   }
-};
+} as const satisfies Loader<DracoMesh, never, DracoLoaderOptions>;

src/draco-writer.ts

@@ -32,3 +32,3 @@ import type {WriterWithEncoder, WriterOptions} from '@loaders.gl/loader-utils';
  */
-export const DracoWriter: WriterWithEncoder<DracoMesh, unknown, DracoWriterOptions> = {
+export const DracoWriter = {
   name: 'DRACO',
@@ -43,3 +43,3 @@ id: 'draco',
   encode
-};
+} as const satisfies WriterWithEncoder<DracoMesh, unknown, DracoWriterOptions>;
 
@@ -46,0 +46,0 @@ async function encode(data: DracoMesh, options: DracoWriterOptions = {}): Promise<ArrayBuffer> {

src/index.ts

@@ -48,6 +48,6 @@ // loaders.gl
  */
-export const DracoLoader: LoaderWithParser<DracoMesh, never, DracoLoaderOptions> = {
+export const DracoLoader = {
   ...DracoWorkerLoader,
   parse
-};
+} as const satisfies LoaderWithParser<DracoMesh, never, DracoLoaderOptions>;
 
@@ -54,0 +54,0 @@ async function parse(arrayBuffer: ArrayBuffer, options?: DracoLoaderOptions): Promise<DracoMesh> {

src/lib/draco-builder.ts

@@ -276,3 +276,3 @@ /* eslint-disable camelcase */
     vertexCount: number
-  ) {
+  ): number {
     if (!ArrayBuffer.isView(attribute)) {
@@ -321,4 +321,12 @@ return -1;
       case Float32Array:
+        return builder.AddFloatAttribute(mesh, type, vertexCount, size, new Float32Array(buffer));
+
+      // case Float64Array:
+      // Add attribute does not seem to be exposed
+      //   return builder.AddAttribute(mesh, type, vertexCount, size, new Float32Array(buffer));
+
       default:
-        return builder.AddFloatAttribute(mesh, type, vertexCount, size, new Float32Array(buffer));
+        // eslint-disable-next-line no-console
+        console.warn('Unsupported attribute type', attribute);
+        return -1;
     }
@@ -325,0 +333,0 @@ }

src/lib/draco-module-loader.ts

@@ -38,10 +38,8 @@ // Dynamic DRACO module loading inspired by THREE.DRACOLoader
   if (modules.draco3d) {
-    loadDecoderPromise =
-      loadDecoderPromise ||
-      modules.draco3d.createDecoderModule({}).then((draco) => {
-        return {draco};
-      });
+    loadDecoderPromise ||= modules.draco3d.createDecoderModule({}).then((draco) => {
+      return {draco};
+    });
   } else {
     // If not, dynamically load the WASM script from our CDN
-    loadDecoderPromise = loadDecoderPromise || loadDracoDecoder(options);
+    loadDecoderPromise ||= loadDracoDecoder(options);
   }
@@ -56,10 +54,8 @@ return await loadDecoderPromise;
   if (modules.draco3d) {
-    loadEncoderPromise =
-      loadEncoderPromise ||
-      modules.draco3d.createEncoderModule({}).then((draco) => {
-        return {draco};
-      });
+    loadEncoderPromise ||= modules.draco3d.createEncoderModule({}).then((draco) => {
+      return {draco};
+    });
   } else {
     // If not, dynamically load the WASM script from our CDN
-    loadEncoderPromise = loadEncoderPromise || loadDracoEncoder(options);
+    loadEncoderPromise ||= loadDracoEncoder(options);
   }
@@ -66,0 +62,0 @@ return await loadEncoderPromise;

src/lib/draco-parser.ts

@@ -31,14 +31,13 @@ /* eslint-disable camelcase */
 
-/**
- * @param topology - How triangle indices should be generated (mesh only)
- * @param attributeNameEntry
- * @param extraAttributes
- * @param quantizedAttributes
- * @param octahedronAttributes
- */
+/** Options to control draco parsing */
 export type DracoParseOptions = {
+  /** How triangle indices should be generated (mesh only) */
   topology?: 'triangle-list' | 'triangle-strip';
+  /** Specify which attribute metadata entry stores the attribute name */
   attributeNameEntry?: string;
+  /** Names and ids of extra attributes to include in the output */
   extraAttributes?: {[uniqueId: string]: number};
+  /** Skip transforms specific quantized attributes */
   quantizedAttributes?: ('POSITION' | 'NORMAL' | 'COLOR' | 'TEX_COORD' | 'GENERIC')[];
+  /** Skip transforms specific octahedron encoded  attributes */
   octahedronAttributes?: ('POSITION' | 'NORMAL' | 'COLOR' | 'TEX_COORD' | 'GENERIC')[];
@@ -69,3 +68,7 @@ };
   6: Uint32Array,
+  // 7: BigInt64Array,
+  // 8: BigUint64Array,
   9: Float32Array
+  // 10: Float64Array
+  // 11: BOOL - What array type do we use for this?
 };
@@ -298,10 +301,13 @@
       loaderAttribute.name = attributeName;
-      const {value, size} = this._getAttributeValues(dracoGeometry, loaderAttribute);
-      attributes[attributeName] = {
-        value,
-        size,
-        byteOffset: loaderAttribute.byte_offset,
-        byteStride: loaderAttribute.byte_stride,
-        normalized: loaderAttribute.normalized
-      };
+      const values = this._getAttributeValues(dracoGeometry, loaderAttribute);
+      if (values) {
+        const {value, size} = values;
+        attributes[attributeName] = {
+          value,
+          size,
+          byteOffset: loaderAttribute.byte_offset,
+          byteStride: loaderAttribute.byte_stride,
+          normalized: loaderAttribute.normalized
+        };
+      }
     }
@@ -356,4 +362,9 @@
     attribute: DracoAttribute
-  ): {value: TypedArray; size: number} {
+  ): {value: TypedArray; size: number} | null {
     const TypedArrayCtor = DRACO_DATA_TYPE_TO_TYPED_ARRAY_MAP[attribute.data_type];
+    if (!TypedArrayCtor) {
+      // eslint-disable-next-line no-console
+      console.warn(`DRACO: Unsupported attribute type ${attribute.data_type}`);
+      return null;
+    }
     const numComponents = attribute.num_components;
@@ -360,0 +371,0 @@ const numPoints = dracoGeometry.num_points();

No alert changes

Worsened metrics

Total package byte prevSize

14301006

decreased by-0.04%

Dev dependency count

1

increased byInfinity%

Lines of code

146358

decreased by-0.01%

Dependency changes

• + [e-mail]/loader-utils@4.2.0-beta.1(transitive)

• + [e-mail]/schema@4.2.0-beta.1(transitive)

• + [e-mail]/worker-utils@4.2.0-beta.1(transitive)

• + Addeddraco3d@1.5.7(transitive)

• - [e-mail]/loader-utils@4.2.0-alpha.6(transitive)

• - [e-mail]/schema@4.2.0-alpha.6(transitive)

• - [e-mail]/worker-utils@4.2.0-alpha.6(transitive)

• - Removeddraco3d@1.5.5(transitive)

• [e-mail]/loader-utils@4.2.0-beta.1

• [e-mail]/schema@4.2.0-beta.1

• [e-mail]/worker-utils@4.2.0-beta.1

• Updateddraco3d@1.5.7