@gltf-transform/core - npm Package Compare versions

Comparing version 0.2.3 to 0.2.4

dist/core.umd.js

@@ -1,2 +0,2 @@
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this.accessors.map(function(t){return t.getChild()})},n.prototype.addBuffer=function(t){return this.addGraphChild(this.buffers,this.graph.link("buffer",this,t))},n.prototype.removeBuffer=function(t){return this.removeGraphChild(this.buffers,t)},n.prototype.listBuffers=function(){return this.buffers.map(function(t){return t.getChild()})},n}(v);i([o],C.prototype,"scenes",void 0),i([o],C.prototype,"nodes",void 0),i([o],C.prototype,"meshes",void 0),i([o],C.prototype,"materials",void 0),i([o],C.prototype,"textures",void 0),i([o],C.prototype,"accessors",void 0),i([o],C.prototype,"buffers",void 0);var P=function(t){function n(){t.apply(this,arguments),this.propertyType="Scene",this.nodes=[]}return t&&(n.__proto__=t),(n.prototype=Object.create(t&&t.prototype)).constructor=n,n.prototype.addNode=function(t){return this.addGraphChild(this.nodes,this.graph.link("node",this,t))},n.prototype.removeNode=function(t){return this.removeGraphChild(this.nodes,t)},n.prototype.listNodes=function(){return this.nodes.map(function(t){return t.getChild()})},n}(v);i([o],P.prototype,"nodes",void 0);var k=function(){this.graph=new N,this.root=new C(this.graph),this.logger=new E(E.Verbosity.INFO)};k.prototype.getRoot=function(){return this.root},k.prototype.getGraph=function(){return this.graph},k.prototype.getLogger=function(){return this.logger},k.prototype.setLogger=function(t){return this.logger=t,this},k.prototype.clone=function(){throw new Error("Not implemented.")},k.prototype.transform=function(){for(var t=[],n=arguments.length;n--;)t[n]=arguments[n];for(var r=0,i=t;r<i.length;r+=1)(0,i[r])(this);return this},k.prototype.createScene=function(t){var n=new P(this.graph,t);return this.root.addScene(n),n},k.prototype.createNode=function(t){var n=new B(this.graph,t);return this.root.addNode(n),n},k.prototype.createMesh=function(t){var n=new I(this.graph,t);return this.root.addMesh(n),n},k.prototype.createPrimitive=function(){return new L(this.graph)},k.prototype.createMaterial=function(t){var n=new S(this.graph,t);return this.root.addMaterial(n),n},k.prototype.createTexture=function(t){var n=new M(this.graph,t);return this.root.addTexture(n),n},k.prototype.createAccessor=function(t,n){void 0===n&&(n=null),n||(n=this.getRoot().listBuffers()[0]);var r=new l(this.graph,t).setBuffer(n);return this.root.addAccessor(r),r},k.prototype.createBuffer=function(t){var n=new w(this.graph,t);return this.root.addBuffer(n),n};var F={5120:Int8Array,5121:Uint8Array,5122:Int16Array,5123:Uint16Array,5125:Uint32Array,5126:Float32Array},V=function(){};function D(t,n){void 0!==n.texCoord&&t.setTexCoord(n.texCoord)}function G(t,n,r){var i=r.json.textures[n.index];if(void 0!==i.sampler){var e=r.json.samplers[i.sampler];void 0!==e.magFilter&&t.setMagFilter(e.magFilter),void 0!==e.minFilter&&t.setMinFilter(e.minFilter),void 0!==e.wrapS&&t.setWrapS(e.wrapS),void 0!==e.wrapT&&t.setWrapT(e.wrapT)}}function J(t,n){var r=n.json.bufferViews[t.bufferView],i=n.json.buffers[r.buffer],e=i.uri?n.resources[i.uri]:n.resources[c],u=F[t.componentType],s=l.getElementSize(t.type);if(void 0!==r.byteStride&&r.byteStride!==s*u.BYTES_PER_ELEMENT)return function(t,n){for(var r=n.json.bufferViews[t.bufferView],i=n.json.buffers[r.buffer],e=i.uri?n.resources[i.uri]:n.resources[c],u=F[t.componentType],s=l.getElementSize(t.type),o=u.BYTES_PER_ELEMENT,h=t.byteOffset||0,f=new u(t.count*s),a=new DataView(e,r.byteOffset,r.byteLength),v=r.byteStride,d=0;d<t.count;d++)for(var w=0;w<s;w++){var b=h+d*v+w*o,A=void 0;switch(t.componentType){case 5126:A=a.getFloat32(b,!0);break;case 5125:A=a.getUint32(b,!0);break;case 5123:A=a.getUint16(b,!0);break;case 5121:A=a.getUint8(b);break;case 5122:A=a.getInt16(b,!0);break;case 5120:A=a.getInt8(b);break;default:throw new Error('Unexpected componentType "'+t.componentType+'".')}f[d*s+w]=A}return f}(t,n);var o=(r.byteOffset||0)+(t.byteOffset||0);switch(t.componentType){case 5126:return new Float32Array(e,o,t.count*s);case 5125:return new Uint32Array(e,o,t.count*s);case 5123:return new Uint16Array(e,o,t.count*s);case 5121:return new Uint8Array(e,o,t.count*s);case 5122:return new Int16Array(e,o,t.count*s);case 5120:return new Int8Array(e,o,t.count*s);default:throw new Error('Unexpected componentType "'+t.componentType+'".')}}V.read=function(t){var r=t.json,i=new k;if("2.0"!==r.asset.version)throw new Error('Unsupported glTF version: "'+r.asset.version+'".');var e=(r.buffers||[]).map(function(t){var n=i.createBuffer(t.name);return t.uri&&0!==t.uri.indexOf("__")&&n.setURI(t.uri),n}),u=(r.bufferViews||[]).map(function(t){return e[t.buffer]}),s=(r.accessors||[]).map(function(n){var r,e=i.createAccessor(n.name,u[n.bufferView]);return e.setType(n.type),r=void 0!==n.sparse?function(t,n){var r,i=F[t.componentType],e=l.getElementSize(t.type);r=void 0!==t.bufferView?J(t,n).slice():new i(t.count*e);for(var u=t.sparse.count,s=Object.assign({},t,t.sparse.indices,{count:u,type:"SCALAR"}),o=Object.assign({},t,t.sparse.values,{count:u}),h=J(s,n),f=J(o,n),c=0;c<s.count;c++)for(var a=0;a<e;a++)r[h[c]*e+a]=f[c*e+a];return r}(n,t):J(n,t).slice(),void 0!==n.normalized&&e.setNormalized(n.normalized),e.setArray(r),e}),o=r.textures||[],h=(r.images||[]).map(function(n){var e=i.createTexture(n.name);if(void 0!==n.bufferView){var u=r.bufferViews[n.bufferView],s=t.json.buffers[u.buffer],o=u.byteOffset||0,h=(s.uri?t.resources[s.uri]:t.resources[c]).slice(o,o+u.byteLength);e.setImage(h)}else void 0!==n.uri&&(e.setImage(t.resources[n.uri]),0!==n.uri.indexOf("__")&&e.setURI(n.uri));if(void 0!==n.mimeType)e.setMimeType(n.mimeType);else if(n.uri){var f=A.extension(n.uri);e.setMimeType("png"===f?"image/png":"image/jpeg")}return e}),f=(r.materials||[]).map(function(n){var r=i.createMaterial(n.name);void 0!==n.alphaMode&&r.setAlphaMode(n.alphaMode),void 0!==n.alphaCutoff&&r.setAlphaCutoff(n.alphaCutoff),void 0!==n.doubleSided&&r.setDoubleSided(n.doubleSided);var e=n.pbrMetallicRoughness||{};if(void 0!==e.baseColorFactor&&r.setBaseColorFactor(e.baseColorFactor),void 0!==n.emissiveFactor&&r.setEmissiveFactor(n.emissiveFactor),void 0!==e.metallicFactor&&r.setMetallicFactor(e.metallicFactor),void 0!==e.roughnessFactor&&r.setRoughnessFactor(e.roughnessFactor),void 0!==e.baseColorTexture){var u=e.baseColorTexture;r.setBaseColorTexture(h[o[u.index].source]),D(r.getBaseColorTextureInfo(),u),G(r.getBaseColorTextureSampler(),u,t)}if(void 0!==n.emissiveTexture){var s=n.emissiveTexture;r.setEmissiveTexture(h[o[s.index].source]),D(r.getEmissiveTextureInfo(),s),G(r.getEmissiveTextureSampler(),s,t)}if(void 0!==n.normalTexture){var f=n.normalTexture;r.setNormalTexture(h[o[f.index].source]),D(r.getNormalTextureInfo(),f),G(r.getNormalTextureSampler(),f,t),void 0!==n.normalTexture.scale&&r.setNormalScale(n.normalTexture.scale)}if(void 0!==n.occlusionTexture){var c=n.occlusionTexture;r.setOcclusionTexture(h[o[c.index].source]),D(r.getOcclusionTextureInfo(),c),G(r.getOcclusionTextureSampler(),c,t),void 0!==n.occlusionTexture.strength&&r.setOcclusionStrength(n.occlusionTexture.strength)}if(void 0!==e.metallicRoughnessTexture){var a=e.metallicRoughnessTexture;r.setMetallicRoughnessTexture(h[o[a.index].source]),D(r.getMetallicRoughnessTextureInfo(),a),G(r.getMetallicRoughnessTextureSampler(),a,t)}return r}),a=(r.meshes||[]).map(function(t){var n=i.createMesh(t.name);return t.primitives.forEach(function(t){var r=i.createPrimitive();void 0!==t.material&&r.setMaterial(f[t.material]),void 0!==t.mode&&r.setMode(t.mode);for(var e=0,u=Object.entries(t.attributes||{});e<u.length;e+=1){var o=u[e];r.setAttribute(o[0],s[o[1]])}void 0!==t.indices&&r.setIndices(s[t.indices]),n.addPrimitive(r)}),n}),v=((r.skins||[]).map(function(t){return null}),(r.cameras||[]).map(function(t){return null}),r.nodes||[]),d=v.map(function(t){var r=i.createNode(t.name);return void 0!==t.mesh&&r.setMesh(a[t.mesh]),void 0!==t.translation&&r.setTranslation(t.translation),void 0!==t.rotation&&r.setRotation(t.rotation),void 0!==t.scale&&r.setScale(t.scale),void 0!==t.matrix&&(r.setTranslation(n.getTranslation([],t.matrix)),r.setRotation(n.getRotation([],t.matrix)),r.setScale(n.getScaling([],t.matrix))),r});return v.map(function(t,n){(t.children||[]).forEach(function(t){return d[n].addChild(d[t])})}),(r.animations||[]).map(function(t){return null}),(r.scenes||[]).map(function(t){var n=i.createScene(t.name);return(t.nodes||[]).map(function(t){return d[t]}).forEach(function(t){return n.addNode(t)}),n}),i};var Y={ARRAY_BUFFER:34962,ELEMENT_ARRAY_BUFFER:34963},$=function(){};function q(t){var n={};return t.getName()&&(n.name=t.getName()),Object.keys(t.getExtras()).length>0&&(n.extras=t.getExtras()),Object.keys(t.getExtensions()).length>0&&(n.extras=t.getExtensions()),n}function z(t){var n=q(t);return n.type=t.getType(),n.componentType=t.getComponentType(),n.count=t.getCount(),t.getMax(n.max=[]),t.getMin(n.min=[]),n.normalized=t.getNormalized(),n}$.write=function(t,n){var r=t.getRoot(),i={json:{asset:r.getAsset()},resources:{}},e=i.json,u=t.getLogger(),s=r.listBuffers().length,o=r.listTextures().length,h=new H(s>1,n.basename),f=new H(o>1,n.basename),a=new Map,v=new Map,d=new Map,w=new Map,A=new Map,p=new Map,y=new Map,E=[];function m(t,n,r,i){for(var u=[],s=0,o=0,h=t;o<h.length;o+=1){var f=h[o],c=z(f);c.bufferView=e.bufferViews.length;var v=b.pad(f.getArray().buffer);c.byteOffset=s,s+=v.byteLength,u.push(v),a.set(f,e.accessors.length),e.accessors.push(c)}var l={buffer:n,byteOffset:r,byteLength:b.concat(u).byteLength};return i&&(l.target=i),e.bufferViews.push(l),{buffers:u,byteLength:s}}function T(t,n,r){for(var i=t[0].getCount(),u=0,s=0,o=t;s<o.length;s+=1){var h=o[s],f=z(h);f.bufferView=e.bufferViews.length,f.byteOffset=u;var c=h.getElementSize(),v=h.getComponentSize();u+=b.padNumber(c*v),a.set(h,e.accessors.length),e.accessors.push(f)}for(var l=i*u,d=new ArrayBuffer(l),w=new DataView(d),A=0;A<i;A++)for(var p=0,y=0,E=t;y<E.length;y+=1){for(var m=E[y],T=m.getElementSize(),g=m.getComponentSize(),O=m.getComponentType(),M=m.getArray(),R=0;R<T;R++){var x=A*u+p+R*g,j=M[A*T+R];switch(O){case 5126:w.setFloat32(x,j,!0);break;case 5120:w.setInt8(x,j);break;case 5122:w.setInt16(x,j,!0);break;case 5121:w.setUint8(x,j);break;case 5123:w.setUint16(x,j,!0);break;case 5125:w.setUint32(x,j,!0);break;default:throw new Error("Unexpected component type: "+O)}}p+=b.padNumber(T*g)}return e.bufferViews.push({buffer:n,byteOffset:r,byteLength:l,byteStride:u,target:Y.ARRAY_BUFFER}),{byteLength:l,buffers:[d]}}function g(t,n,r){var i={magFilter:r.getMagFilter()||void 0,minFilter:r.getMinFilter()||void 0,wrapS:r.getWrapS(),wrapT:r.getWrapT()},u=JSON.stringify(i);y.has(u)||(y.set(u,e.samplers.length),e.samplers.push(i));var s={source:A.get(t),sampler:y.get(u)},o=JSON.stringify(s);return p.has(o)||(p.set(o,e.textures.length),e.textures.push(s)),{index:p.get(o),texCoord:n.getTexCoord()}}for(var O=new Map,M=0,R=t.getGraph().getLinks();M<R.length;M+=1){var x=R[M];if(x.getParent()!==r){var j=x.getChild();if(j instanceof l){var N=O.get(j)||[];N.push(x),O.set(j,N)}}}return e.accessors=[],e.bufferViews=[],e.samplers=[],e.textures=[],e.images=r.listTextures().map(function(t,r){var u=q(t);if(t.getMimeType()&&(u.mimeType=t.getMimeType()),n.isGLB)E.push(t.getImage()),u.bufferView=e.bufferViews.length,e.bufferViews.push({buffer:0,byteOffset:-1,byteLength:t.getImage().byteLength});else{var s="image/png"===t.getMimeType()?"png":"jpeg";u.uri=f.createURI(t,s),i.resources[u.uri]=t.getImage()}return A.set(t,r),u}),e.buffers=[],r.listBuffers().forEach(function(t){for(var r=q(t),s=new Map,o=new Set,f=new Set,a=0,v=t.listParents().filter(function(t){return!(t instanceof C)});a<v.length;a+=1){var d=v[a];if(!(d instanceof l))throw new Error("Unimplemented buffer reference: "+d);for(var w=!1,A=!1,p=!1,y=O.get(d)||[],g=0,M=y;g<M.length;g+=1){var R=M[g];R instanceof U?w=!0:R instanceof _?A=!0:p=!0}if(w||A||p||(p=!0),!w||A||p)if(!A||w||p){if(!p||w||A)throw new Error("Attribute or index accessors must be used only for that purpose.");f.add(d)}else o.add(d);else{var x=y[0].getParent(),j=s.get(x)||new Set;j.add(d),s.set(x,j)}}var N,S=[],I=e.buffers.length,L=0;if(o.size){var B=m(Array.from(o),I,L,Y.ELEMENT_ARRAY_BUFFER);L+=B.byteLength,S.push.apply(S,B.buffers)}for(var P=0,k=Array.from(s.values());P<k.length;P+=1){var F=k[P];if(F.size){var V=T(Array.from(F),I,L);L+=V.byteLength,S.push.apply(S,V.buffers)}}if(f.size){var D=m(Array.from(f),I,L);L+=D.byteLength,S.push.apply(S,D.buffers)}if(E.length)for(var G=0;G<E.length;G++)e.bufferViews[e.images[G].bufferView].byteOffset=L,L+=E[G].byteLength,S.push(E[G]);L?(n.isGLB?N=c:(N=h.createURI(t,"bin"),r.uri=N),r.byteLength=L,i.resources[N]=b.concat(S),e.buffers.push(r)):u.warn('@gltf-transform/core: Skipping empty buffer, "'+t.getName()+'".')}),e.materials=r.listMaterials().map(function(t,n){var r=q(t);if(r.alphaMode=t.getAlphaMode(),"MASK"===t.getAlphaMode()&&(r.alphaCutoff=t.getAlphaCutoff()),r.doubleSided=t.getDoubleSided(),r.pbrMetallicRoughness={},r.pbrMetallicRoughness.baseColorFactor=t.getBaseColorFactor(),r.emissiveFactor=t.getEmissiveFactor(),r.pbrMetallicRoughness.roughnessFactor=t.getRoughnessFactor(),r.pbrMetallicRoughness.metallicFactor=t.getMetallicFactor(),t.getBaseColorTexture()){var i=t.getBaseColorTexture(),e=t.getBaseColorTextureInfo(),u=t.getBaseColorTextureSampler();r.pbrMetallicRoughness.baseColorTexture=g(i,e,u)}if(t.getEmissiveTexture()){var s=t.getEmissiveTexture(),o=t.getEmissiveTextureInfo(),h=t.getEmissiveTextureSampler();r.emissiveTexture=g(s,o,h)}if(t.getNormalTexture()){var f=g(t.getNormalTexture(),t.getNormalTextureInfo(),t.getNormalTextureSampler());1!==t.getNormalScale()&&(f.scale=t.getNormalScale()),r.normalTexture=f}if(t.getOcclusionTexture()){var c=g(t.getOcclusionTexture(),t.getOcclusionTextureInfo(),t.getOcclusionTextureSampler());1!==t.getOcclusionStrength()&&(c.strength=t.getOcclusionStrength()),r.occlusionTexture=c}if(t.getMetallicRoughnessTexture()){var a=t.getMetallicRoughnessTexture(),l=t.getMetallicRoughnessTextureInfo(),d=t.getMetallicRoughnessTextureSampler();r.pbrMetallicRoughness.metallicRoughnessTexture=g(a,l,d)}return v.set(t,n),r}),e.meshes=r.listMeshes().map(function(t,n){var r=q(t);return r.primitives=t.listPrimitives().map(function(t){var n={attributes:{}};n.material=v.get(t.getMaterial()),n.mode=t.getMode(),t.getIndices()&&(n.indices=a.get(t.getIndices()));for(var r=0,i=t.listSemantics();r<i.length;r+=1){var e=i[r];n.attributes[e]=a.get(t.getAttribute(e))}return n}),d.set(t,n),r}),e.nodes=r.listNodes().map(function(t,n){var r=q(t);return r.translation=t.getTranslation(),r.rotation=t.getRotation(),r.scale=t.getScale(),t.getMesh()&&(r.mesh=d.get(t.getMesh())),w.set(t,n),r}),r.listNodes().forEach(function(t,n){0!==t.listChildren().length&&(e.nodes[n].children=t.listChildren().map(function(t){return w.get(t)}))}),e.scenes=r.listScenes().map(function(t){var n=q(t);return n.nodes=t.listNodes().map(function(t){return w.get(t)}),n}),function(t){var n=[];for(var r in t){var i=t[r];Array.isArray(i)&&0===i.length?n.push(r):null!==i&&""!==i||n.push(i)}for(var e=0,u=n;e<u.length;e+=1)delete t[u[e]]}(e),i};var H=function(t,n){this.multiple=t,this.basename=n,this.counter=1};H.prototype.createURI=function(t,n){return t.getURI()?t.getURI():this.multiple?this.basename+"_"+this.counter+++"."+n:this.basename+"."+n};var 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u=X(t);if(t.getMimeType()&&(u.mimeType=t.getMimeType()),n.isGLB)b.push(t.getImage()),u.bufferView=e.bufferViews.length,e.bufferViews.push({buffer:0,byteOffset:-1,byteLength:t.getImage().byteLength});else{var o="image/png"===t.getMimeType()?"png":"jpeg";u.uri=c.createURI(t,o),i.resources[u.uri]=t.getImage()}return w.set(t,r),u}),e.buffers=[],r.listBuffers().forEach(function(t){for(var r,o=X(t),s=new Map,c=new Set,h=new Set,v=a(t.listParents().filter(function(t){return!(t instanceof J)}));!(r=v()).done;){var l=r.value;if(!(l instanceof m))throw new Error("Unimplemented buffer reference: "+l);for(var d,w=!1,y=!1,p=!1,T=x.get(l)||[],M=a(T);!(d=M()).done;){var R=d.value;R instanceof B?w=!0:R instanceof P?y=!0:p=!0}if(w||y||p||(p=!0),!w||y||p)if(!y||w||p){if(!p||w||y)throw new Error("Attribute or index accessors must be used only for that purpose.");h.add(l)}else c.add(l);else{var S=T[0].getParent(),U=s.get(S)||new Set;U.add(l),s.set(S,U)}}var O,_=[],I=e.buffers.length,N=0;if(c.size){var j=A(Array.from(c),I,N,34963);N+=j.byteLength,_.push.apply(_,j.buffers)}for(var L=0,C=Array.from(s.values());L<C.length;L++){var k=C[L];if(k.size){var D=E(Array.from(k),I,N);N+=D.byteLength,_.push.apply(_,D.buffers)}}if(h.size){var V=A(Array.from(h),I,N);N+=V.byteLength,_.push.apply(_,V.buffers)}if(b.length)for(var F=0;F<b.length;F++)e.bufferViews[e.images[F].bufferView].byteOffset=N,N+=b[F].byteLength,_.push(b[F]);N?(n.isGLB?O="__glb.bin":(O=f.createURI(t,"bin"),o.uri=O),o.byteLength=N,i.resources[O]=g.concat(_),e.buffers.push(o)):u.warn('@gltf-transform/core: Skipping empty buffer, "'+t.getName()+'".')}),e.materials=r.listMaterials().map(function(t,n){var r=X(t);if(r.alphaMode=t.getAlphaMode(),"MASK"===t.getAlphaMode()&&(r.alphaCutoff=t.getAlphaCutoff()),r.doubleSided=t.getDoubleSided(),r.pbrMetallicRoughness={},r.pbrMetallicRoughness.baseColorFactor=t.getBaseColorFactor(),r.emissiveFactor=t.getEmissiveFactor(),r.pbrMetallicRoughness.roughnessFactor=t.getRoughnessFactor(),r.pbrMetallicRoughness.metallicFactor=t.getMetallicFactor(),t.getBaseColorTexture()){var i=t.getBaseColorTexture(),e=t.getBaseColorTextureInfo(),u=t.getBaseColorTextureSampler();r.pbrMetallicRoughness.baseColorTexture=T(i,e,u)}if(t.getEmissiveTexture()){var o=t.getEmissiveTexture(),s=t.getEmissiveTextureInfo(),f=t.getEmissiveTextureSampler();r.emissiveTexture=T(o,s,f)}if(t.getNormalTexture()){var c=T(t.getNormalTexture(),t.getNormalTextureInfo(),t.getNormalTextureSampler());1!==t.getNormalScale()&&(c.scale=t.getNormalScale()),r.normalTexture=c}if(t.getOcclusionTexture()){var h=T(t.getOcclusionTexture(),t.getOcclusionTextureInfo(),t.getOcclusionTextureSampler());1!==t.getOcclusionStrength()&&(h.strength=t.getOcclusionStrength()),r.occlusionTexture=h}if(t.getMetallicRoughnessTexture()){var a=t.getMetallicRoughnessTexture(),l=t.getMetallicRoughnessTextureInfo(),d=t.getMetallicRoughnessTextureSampler();r.pbrMetallicRoughness.metallicRoughnessTexture=T(a,l,d)}return v.set(t,n),r}),e.meshes=r.listMeshes().map(function(t,n){var r=X(t);return r.primitives=t.listPrimitives().map(function(t){var n={attributes:{}};n.material=v.get(t.getMaterial()),n.mode=t.getMode(),t.getIndices()&&(n.indices=h.get(t.getIndices()));for(var r,i=a(t.listSemantics());!(r=i()).done;){var e=r.value;n.attributes[e]=h.get(t.getAttribute(e))}return n}),l.set(t,n),r}),e.nodes=r.listNodes().map(function(t,n){var r=X(t);return r.translation=t.getTranslation(),r.rotation=t.getRotation(),r.scale=t.getScale(),t.getMesh()&&(r.mesh=l.get(t.getMesh())),d.set(t,n),r}),r.listNodes().forEach(function(t,n){0!==t.listChildren().length&&(e.nodes[n].children=t.listChildren().map(function(t){return d.get(t)}))}),e.scenes=r.listScenes().map(function(t){var n=X(t);return n.nodes=t.listNodes().map(function(t){return d.get(t)}),n}),function(t){var n=[];for(var r in t){var i=t[r];Array.isArray(i)&&0===i.length?n.push(r):null!==i&&""!==i||n.push(i)}for(var e=0,u=n;e<u.length;e++)delete t[u[e]]}(e),i},t}();function X(t){var n={};return t.getName()&&(n.name=t.getName()),Object.keys(t.getExtras()).length>0&&(n.extras=t.getExtras()),Object.keys(t.getExtensions()).length>0&&(n.extras=t.getExtensions()),n}function Z(t){var n=X(t);return n.type=t.getType(),n.componentType=t.getComponentType(),n.count=t.getCount(),t.getMax(n.max=[]),t.getMin(n.min=[]),n.normalized=t.getNormalized(),n}var tt=function(){function t(t,n){this.multiple=t,this.basename=n,this.counter=1}return t.prototype.createURI=function(t,n){return t.getURI()?t.getURI():this.multiple?this.basename+"_"+this.counter+++"."+n:this.basename+"."+n},t}(),nt=function(){function t(){}var n=t.prototype;return n.createDocument=function(t){return z.read(t)},n.createNativeDocument=function(t,n){if(n.isGLB&&1!==t.getRoot().listBuffers().length)throw new Error("GLB must have exactly 1 buffer.");return W.write(t,n)},n.unpackGLB=function(t){var n,r=new Uint32Array(t,0,3);if(1179937895!==r[0])throw new Error("Invalid glTF asset.");if(2!==r[1])throw new Error('Unsupported glTF binary version, "'+r[1]+'".');var i=new Uint32Array(t,12,2),e=i[0],u=new Uint32Array(t,20+e,2);if(1313821514!==i[1]||5130562!==u[1])throw new Error("Unexpected GLB layout.");var o=g.decodeText(t.slice(20,20+e)),s=JSON.parse(o),f=20+e+8,c=t.slice(f,f+u[0]);return this.createDocument({json:s,resources:(n={},n["W"]=c,n)})},n.packGLB=function(t){var n=this.createNativeDocument(t,{basename:"",isGLB:!0}),r=n.resources,i=JSON.stringify(n.json),e=g.pad(g.encodeText(i),32),u=new Uint32Array([e.byteLength,1313821514]).buffer,o=g.concat([u,e]),s=g.pad(Object.values(r)[0],0),f=new Uint32Array([s.byteLength,5130562]).buffer,c=g.concat([f,s]),h=new Uint32Array([1179937895,2,12+o.byteLength+c.byteLength]).buffer;return g.concat([h,o,c])},t}(),rt=function(t){function n(n,r){var i;return(i=t.call(this)||this).fs=n,i.path=r,i}e(n,t);var r=n.prototype;return r.read=function(t){return t.match(/\.glb$/)?this.readGLB(t):this.readGLTF(t)},r.write=function(t,n){t.match(/\.glb$/)?this.writeGLB(t,n):this.writeGLTF(t,n)},r.readGLB=function(t){var n=this.fs.readFileSync(t),r=g.trim(n);return this.unpackGLB(r)},r.readGLTF=function(t){var n=this,r=this.path.dirname(t),i={json:JSON.parse(this.fs.readFileSync(t,"utf8")),resources:{}};return[].concat(i.json.images||[],i.json.buffers||[]).forEach(function(t){if(t.uri&&!t.uri.match(/data:/)){var e=n.path.resolve(r,t.uri);i.resources[t.uri]=g.trim(n.fs.readFileSync(e))}else{var u="__"+I()+"."+M.extension(t.uri);i.resources[u]=g.createBufferFromDataURI(t.uri),t.uri=u}}),z.read(i)},r.writeGLTF=function(t,n){var r={basename:M.basename(t),isGLB:!1},i=W.write(n,r),e=i.json,u=i.resources,o=this.fs,s=this.path,f=s.dirname(t);o.writeFileSync(t,JSON.stringify(e,null,2)),Object.keys(u).forEach(function(t){var n=Buffer.from(u[t]);o.writeFileSync(s.join(f,t),n)})},r.writeGLB=function(t,n){var r=Buffer.from(this.packGLB(n));this.fs.writeFileSync(t,r)},n}(nt),it=function(t){function n(n){var r;return(r=t.call(this)||this).fetchConfig=n,r}e(n,t);var r=n.prototype;return r.read=function(t){return t.match(/\.glb$/)?this.readGLB(t):this.readGLTF(t)},r.readGLTF=function(t){var n=this,r={json:{},resources:{}};return fetch(t,this.fetchConfig).then(function(t){return t.json()}).then(function(t){r.json=t;var i=[].concat(t.images,t.buffers).map(function(t){if(t.uri)return fetch(t.uri,n.fetchConfig).then(function(t){return t.arrayBuffer()}).then(function(n){r.resources[t.uri]=n})});return Promise.all(i).then(function(){return n.createDocument(r)})})},r.readGLB=function(t){var n=this;return fetch(t,this.fetchConfig).then(function(t){return t.arrayBuffer()}).then(function(t){return n.unpackGLB(t)})},n}(nt);r.glMatrix.setMatrixArrayType(Array),t.Accessor=m,t.Buffer=T,t.BufferUtils=g,t.Document=q,t.FileUtils=M,t.Graph=d,t.ImageUtils=x,t.Logger=S,t.Material=D,t.Mesh=V,t.Node=G,t.NodeIO=rt,t.Primitive=F,t.Property=A,t.Root=J,t.Scene=$,t.Texture=N,t.TextureInfo=j,t.TextureSampler=L,t.WebIO=it,t.uuid=I});
 //# sourceMappingURL=core.umd.js.map

dist/document.d.ts

@@ -10,7 +10,8 @@ import { Accessor, Buffer, Material, Mesh, Node, Primitive, PropertyGraph, Root, Scene, Texture } from './properties/index';
  * Documents manage glTF assets and the relationships among dependencies. The document wrapper
- * allow tools to read and write changes without dealing with array indices, which are likely to
- * change over the course of a file modification. An internal graph structure allows any property
- * in the glTF file to maintain references to its dependencies, and makes it easy to determine
- * where a particular property dependency is being used. For example, finding a list of materials
- * that use a particular texture is as simple as calling {@link Texture.listParents}().
+ * allow tools to read and write changes without dealing with array indices or byte offsets, which
+ * would otherwise require careful management over the course of a file modification. An internal
+ * graph structure allows any property in the glTF file to maintain references to its dependencies,
+ * and makes it easy to determine where a particular property dependency is being used. For
+ * example, finding a list of materials that use a particular texture is as simple as calling
+ * {@link Texture.listParents}().
  *
@@ -17,0 +18,0 @@ * A new resource {@link Property} (e.g. a {@link Mesh} or {@link Material}) is created by calling

dist/graph/graph-links.d.ts

@@ -14,8 +14,8 @@ import { GraphNode } from './graph-node';
 export declare class Link<Parent extends GraphNode, Child extends GraphNode> {
-    private readonly name;
-    private readonly parent;
-    private child;
-    private disposed;
-    private readonly listeners;
-    constructor(name: string, parent: Parent, child: Child);
+    private readonly _name;
+    private readonly _parent;
+    private _child;
+    private _disposed;
+    private readonly _listeners;
+    constructor(_name: string, _parent: Parent, _child: Child);
     /** Name. */
@@ -22,0 +22,0 @@ getName(): string;

dist/graph/graph-node.d.ts

@@ -10,4 +10,4 @@ import { Graph } from './graph';
 export declare abstract class GraphNode {
-    protected readonly graph: Graph;
-    private disposed;
+    protected readonly _graph: Graph;
+    private _disposed;
     constructor(graph: Graph);
@@ -14,0 +14,0 @@ /** Returns true if the node has been permanently removed from the graph. */

dist/graph/graph.d.ts

@@ -11,3 +11,3 @@ import { Link } from './graph-links';
 export declare class Graph {
-    private links;
+    private _links;
     getLinks(): Link<GraphNode, GraphNode>[];
@@ -14,0 +14,0 @@ listParents(node: GraphNode): GraphNode[];

dist/properties/accessor.d.ts

@@ -82,13 +82,13 @@ import { TypedArray } from '../constants';
     /** Raw data of the accessor. */
-    private array;
+    private _array;
     /** Type of element represented. */
-    private type;
+    private _type;
     /** Numeric type of each component in an element. */
-    private componentType;
+    private _componentType;
     /** Whether data in the raw array should be considered normalized. */
-    private normalized;
+    private _normalized;
     /** Inbound transform to normalized representation, if applicable. */
-    private in;
+    private _in;
     /** Outbound transform from normalized representation, if applicable. */
-    private out;
+    private _out;
     /** The {@link Buffer} to which this accessor's data will be written. */
@@ -129,2 +129,7 @@ private buffer;
      */
+    getMinNormalized(target: number[]): number[];
+    /**
+     * Minimum value of each component in this attribute. Values returned by this method do not
+     * reflect normalization: use {@link .getMinNormalized} in that case.
+     */
     getMin(target: number[]): number[];
@@ -136,2 +141,7 @@ /**
      */
+    getMaxNormalized(target: number[]): number[];
+    /**
+     * Maximum value of each component in this attribute. Values returned by this method do not
+     * reflect normalization: use {@link .getMinNormalized} in that case.
+     */
     getMax(target: number[]): number[];
@@ -138,0 +148,0 @@ /**********************************************************************************************

dist/properties/buffer.d.ts

@@ -60,3 +60,3 @@ import { Property } from './property';
     /** URI (or filename) of the buffer. */
-    private uri;
+    private _uri;
     /**
@@ -63,0 +63,0 @@ * Returns the URI (or filename) of this buffer (e.g. 'myBuffer.bin'). URIs are strongly

dist/properties/mesh.d.ts

@@ -40,3 +40,3 @@ import { Accessor } from './accessor';
     /** Primitive GPU draw call list. */
-    private _primitives;
+    private primitives;
     /** Adds a {@link Primitive} to the mesh's draw call list. */
@@ -43,0 +43,0 @@ addPrimitive(primitive: Primitive): this;

dist/properties/node.d.ts

@@ -34,5 +34,5 @@ import { vec3, vec4 } from '../constants';
     readonly propertyType = "Node";
-    private translation;
-    private rotation;
-    private scale;
+    private _translation;
+    private _rotation;
+    private _scale;
     private mesh;
@@ -39,0 +39,0 @@ private children;

dist/properties/property.d.ts

@@ -41,6 +41,6 @@ import { GraphNode } from '../graph';
     readonly propertyType: string;
-    protected readonly graph: PropertyGraph;
-    protected name: string;
-    protected extras: object;
-    protected extensions: object;
+    protected readonly _graph: PropertyGraph;
+    protected _name: string;
+    protected _extras: object;
+    protected _extensions: object;
     /** @hidden */
@@ -47,0 +47,0 @@ constructor(graph: PropertyGraph, name?: string);

dist/properties/root.d.ts

@@ -43,3 +43,3 @@ import { Accessor } from './accessor';
     readonly propertyType = "Root";
-    private readonly asset;
+    private readonly _asset;
     private scenes;
@@ -46,0 +46,0 @@ private nodes;

dist/properties/texture.d.ts

@@ -98,6 +98,6 @@ import { vec2 } from '../constants';
     readonly propertyType = "TextureSampler";
-    private magFilter;
-    private minFilter;
-    private wrapS;
-    private wrapT;
+    private _magFilter;
+    private _minFilter;
+    private _wrapS;
+    private _wrapT;
     /** UV wrapping mode. Values correspond to WebGL enums. */
@@ -104,0 +104,0 @@ static TextureWrapMode: {

package.json

 {
   "name": "@gltf-transform/core",
-  "version": "0.2.3",
+  "version": "0.2.4",
   "repository": "github:donmccurdy/glTF-Transform",
   "description": "glTF 2.0 SDK for JavaScript, TypeScript, and Node.js",
-  "main": "dist/core.js",
-  "module": "dist/core.module.js",
+  "main": "dist/core.umd.js",
+  "module": "dist/core.modern.js",
   "source": "src/core.ts",
   "types": "dist/core.d.ts",
   "scripts": {
-    "dist": "microbundle",
-    "watch": "microbundle watch",
-    "watch:debug": "microbundle watch --no-compress"
+    "dist": "microbundle --format modern,umd",
+    "watch": "microbundle watch --format modern,umd",
+    "watch:debug": "microbundle watch --no-compress --format modern,umd"
   },
@@ -37,3 +37,3 @@ "keywords": [
   },
-  "gitHead": "85d9c4412cbe860736c26b1bc6007e2dfe4a40b6"
+  "gitHead": "409abd1d5f6c00cd8a3252e8673a7bcad170bd11"
 }

src/document.ts

@@ -12,7 +12,8 @@ import { Accessor, Buffer, Material, Mesh, Node, Primitive, PropertyGraph, Root, Scene, Texture } from './properties/index';
  * Documents manage glTF assets and the relationships among dependencies. The document wrapper
- * allow tools to read and write changes without dealing with array indices, which are likely to
- * change over the course of a file modification. An internal graph structure allows any property
- * in the glTF file to maintain references to its dependencies, and makes it easy to determine
- * where a particular property dependency is being used. For example, finding a list of materials
- * that use a particular texture is as simple as calling {@link Texture.listParents}().
+ * allow tools to read and write changes without dealing with array indices or byte offsets, which
+ * would otherwise require careful management over the course of a file modification. An internal
+ * graph structure allows any property in the glTF file to maintain references to its dependencies,
+ * and makes it easy to determine where a particular property dependency is being used. For
+ * example, finding a list of materials that use a particular texture is as simple as calling
+ * {@link Texture.listParents}().
  *
@@ -19,0 +20,0 @@ * A new resource {@link Property} (e.g. a {@link Mesh} or {@link Material}) is created by calling

src/graph/graph-decorators.ts

 /* eslint-disable @typescript-eslint/no-explicit-any */
 /* eslint-disable @typescript-eslint/no-unused-vars */
 
+const DECORATOR_PREFIX = '__';
+
 /**
@@ -11,6 +13,6 @@ * @hidden
 		get: function () {
-			return this['_' + propertyKey];
+			return this[DECORATOR_PREFIX + propertyKey];
 		},
 		set: function (value) {
-			const link = this['_' + propertyKey];
+			const link = this[DECORATOR_PREFIX + propertyKey];
 
@@ -27,3 +29,3 @@ if (link && !Array.isArray(link)) {
 					// console.log('[GraphChild] Unassigning link: ' + propertyKey, link);
-					this['_' + propertyKey] = null;
+					this[DECORATOR_PREFIX + propertyKey] = null;
 				});
@@ -33,3 +35,3 @@ }
 			// if (value) console.log('[GraphChild] Assigning link: ' + propertyKey, value);
-			this['_' + propertyKey] = value;
+			this[DECORATOR_PREFIX + propertyKey] = value;
 		},
@@ -36,0 +38,0 @@ enumerable: true

src/graph/graph-links.ts

@@ -15,21 +15,21 @@ import { GraphNode } from './graph-node';
 export class Link<Parent extends GraphNode, Child extends GraphNode> {
-	private disposed = false;
-	private readonly listeners: (() => void)[] = [];
+	private _disposed = false;
+	private readonly _listeners: (() => void)[] = [];
 	constructor(
-		private readonly name: string,
-		private readonly parent: Parent,
-		private child: Child) {}
+		private readonly _name: string,
+		private readonly _parent: Parent,
+		private _child: Child) {}
 
 	/** Name. */
-	getName(): string { return this.name; }
+	getName(): string { return this._name; }
 
 	/** Owner node. */
-	getParent(): Parent { return this.parent; }
+	getParent(): Parent { return this._parent; }
 
 	/** Resource node. */
-	getChild(): Child { return this.child; }
+	getChild(): Child { return this._child; }
 
 	/** Sets the child node. */
 	setChild(child: Child): this {
-		this.child = child;
+		this._child = child;
 		return this;
@@ -40,6 +40,6 @@ }
 	dispose(): void {
-		if (this.disposed) return;
-		this.disposed = true;
-		this.listeners.forEach((fn) => fn());
-		this.listeners.length = 0;
+		if (this._disposed) return;
+		this._disposed = true;
+		this._listeners.forEach((fn) => fn());
+		this._listeners.length = 0;
 	}
@@ -49,3 +49,3 @@
 	onDispose(fn: () => void): this {
-		this.listeners.push(fn);
+		this._listeners.push(fn);
 		return this;
@@ -55,3 +55,3 @@ }
 	/** Whether this link has been destroyed. */
-	isDisposed(): boolean { return this.disposed; }
+	isDisposed(): boolean { return this._disposed; }
 }

src/graph/graph-node.ts

@@ -11,10 +11,10 @@ import { Graph } from './graph';
 export abstract class GraphNode {
-	protected readonly graph: Graph;
-	private disposed = false;
+	protected readonly _graph: Graph;
+	private _disposed = false;
 	constructor(graph: Graph) {
-		this.graph = graph;
+		this._graph = graph;
 	}
 
 	/** Returns true if the node has been permanently removed from the graph. */
-	public isDisposed(): boolean { return this.disposed; }
+	public isDisposed(): boolean { return this._disposed; }
 
@@ -27,5 +27,5 @@ /**
 	public dispose(): void {
-		this.graph.disconnectChildren(this);
-		this.graph.disconnectParents(this);
-		this.disposed = true;
+		this._graph.disconnectChildren(this);
+		this._graph.disconnectParents(this);
+		this._disposed = true;
 	}
@@ -39,3 +39,3 @@
 	public detach(): this {
-		this.graph.disconnectParents(this);
+		this._graph.disconnectParents(this);
 		return this;
@@ -52,3 +52,3 @@ }
 	public swap(old: GraphNode, replacement: GraphNode): this {
-		this.graph.getLinks()
+		this._graph.getLinks()
 			.filter((link) => link.getParent() === this && link.getChild() === old)
@@ -96,4 +96,4 @@ .forEach((link) => (link.setChild(replacement)));
 	protected listGraphParents(): GraphNode[] {
-		return this.graph.listParents(this) as GraphNode[];
+		return this._graph.listParents(this) as GraphNode[];
 	}
 }

src/graph/graph.ts

@@ -12,6 +12,6 @@ import { Link } from './graph-links';
 export class Graph {
-	private links: Link<GraphNode, GraphNode>[] = [];
+	private _links: Link<GraphNode, GraphNode>[] = [];
 
 	public getLinks(): Link<GraphNode, GraphNode>[] {
-		return this.links;
+		return this._links;
 	}
@@ -21,3 +21,3 @@
 		// TODO(optimize)
-		return this.links
+		return this._links
 			.filter((link) => link.getChild() === node)
@@ -29,3 +29,3 @@ .map((link) => link.getParent());
 		// TODO(optimize)
-		return this.links
+		return this._links
 			.filter((link) => link.getParent() === node)
@@ -37,3 +37,3 @@ .map((link) => link.getChild());
 		// TODO(optimize)
-		this.links
+		this._links
 			.filter((link) => link.getParent() === node)
@@ -46,3 +46,3 @@ .forEach((link) => link.dispose());
 		// TODO(optimize)
-		let links = this.links.filter((link) => link.getChild() === node);
+		let links = this._links.filter((link) => link.getChild() === node);
 		if (filter) {
@@ -71,3 +71,3 @@ links = links.filter((link) => filter(link.getParent()));
 	protected registerLink(link: Link<GraphNode, GraphNode>): Link<GraphNode, GraphNode> {
-		this.links.push(link);
+		this._links.push(link);
 		link.onDispose(() => this.unlink(link));
@@ -84,5 +84,5 @@ return link;
 	private unlink(link: Link<GraphNode, GraphNode>): this {
-		this.links = this.links.filter((l) => l !== link);
+		this._links = this._links.filter((l) => l !== link);
 		return this;
 	}
 }

src/properties/accessor.ts

@@ -85,18 +85,18 @@ import { TypedArray } from '../constants';
 	/** Raw data of the accessor. */
-	private array: TypedArray = null;
+	private _array: TypedArray = null;
 
 	/** Type of element represented. */
-	private type: GLTF.AccessorType = GLTF.AccessorType.SCALAR;
+	private _type: GLTF.AccessorType = GLTF.AccessorType.SCALAR;
 
 	/** Numeric type of each component in an element. */
-	private componentType: GLTF.AccessorComponentType = null;
+	private _componentType: GLTF.AccessorComponentType = null;
 
 	/** Whether data in the raw array should be considered normalized. */
-	private normalized = false;
+	private _normalized = false;
 
 	/** Inbound transform to normalized representation, if applicable. */
-	private in = identity;
+	private _in = identity;
 
 	/** Outbound transform from normalized representation, if applicable. */
-	private out = identity;
+	private _out = identity;
 
@@ -168,2 +168,16 @@ /** The {@link Buffer} to which this accessor's data will be written. */
 	 */
+	public getMinNormalized(target: number[]): number[] {
+		const elementSize = this.getElementSize();
+
+		this.getMin(target);
+
+		for (let j = 0; j < elementSize; j++) target[j] = this._out(target[j]);
+
+		return target;
+	}
+
+	/**
+	 * Minimum value of each component in this attribute. Values returned by this method do not
+	 * reflect normalization: use {@link .getMinNormalized} in that case.
+	 */
 	public getMin(target: number[]): number[] {
@@ -177,8 +191,6 @@ const count = this.getCount();
 			for (let j = 0; j < elementSize; j++) {
-				target[j] = Math.min(target[j], this.array[i + j]);
+				target[j] = Math.min(target[j], this._array[i + j]);
 			}
 		}
 
-		for (let j = 0; j < elementSize; j++) target[j] = this.out(target[j]);
-
 		return target;
@@ -192,2 +204,16 @@ }
 	 */
+	public getMaxNormalized(target: number[]): number[] {
+		const elementSize = this.getElementSize();
+
+		this.getMax(target);
+
+		for (let j = 0; j < elementSize; j++) target[j] = this._out(target[j]);
+
+		return target;
+	}
+
+	/**
+	 * Maximum value of each component in this attribute. Values returned by this method do not
+	 * reflect normalization: use {@link .getMinNormalized} in that case.
+	 */
 	public getMax(target: number[]): number[] {
@@ -201,8 +227,6 @@ const count = this.getCount();
 			for (let j = 0; j < elementSize; j++) {
-				target[j] = Math.max(target[j], this.array[i + j]);
+				target[j] = Math.max(target[j], this._array[i + j]);
 			}
 		}
 
-		for (let j = 0; j < elementSize; j++) target[j] = this.out(target[j]);
-
 		return target;
@@ -220,7 +244,7 @@ }
 	public getCount(): number {
-		return this.array.length / this.getElementSize();
+		return this._array.length / this.getElementSize();
 	}
 
 	/** Type of element stored in the accessor. `VEC2`, `VEC3`, etc. */
-	public getType(): GLTF.AccessorType { return this.type; }
+	public getType(): GLTF.AccessorType { return this._type; }
 
@@ -232,3 +256,3 @@ /**
 	public setType(type: GLTF.AccessorType): Accessor {
-		this.type = type;
+		this._type = type;
 		return this;
@@ -243,3 +267,3 @@ }
 	public getElementSize(): number {
-		return Accessor.getElementSize(this.type);
+		return Accessor.getElementSize(this._type);
 	}
@@ -252,3 +276,3 @@
 	public getComponentSize(): number {
-		return this.array.BYTES_PER_ELEMENT;
+		return this._array.BYTES_PER_ELEMENT;
 	}
@@ -261,3 +285,3 @@
 	public getComponentType(): GLTF.AccessorComponentType {
-		return this.componentType;
+		return this._componentType;
 	}
@@ -275,3 +299,3 @@
 	 */
-	public getNormalized(): boolean { return this.normalized; }
+	public getNormalized(): boolean { return this._normalized; }
 
@@ -285,10 +309,10 @@ /**
 	public setNormalized(normalized: boolean): this {
-		this.normalized = normalized;
+		this._normalized = normalized;
 
 		if (normalized) {
-			this.out = (c: number): number => intToFloat(c, this.componentType);
-			this.in = (f: number): number => floatToInt(f, this.componentType);
+			this._out = (c: number): number => intToFloat(c, this._componentType);
+			this._in = (f: number): number => floatToInt(f, this._componentType);
 		} else {
-			this.out = identity;
-			this.in = identity;
+			this._out = identity;
+			this._in = identity;
 		}
@@ -309,3 +333,3 @@
 		const elementSize = this.getElementSize();
-		return this.out(this.array[index * elementSize]);
+		return this._out(this._array[index * elementSize]);
 	}
@@ -318,3 +342,3 @@
 	public setScalar(index: number, x: number): this {
-		this.array[index * this.getElementSize()] = this.in(x);
+		this._array[index * this.getElementSize()] = this._in(x);
 		return this;
@@ -330,3 +354,3 @@ }
 		for (let i = 0; i < elementSize; i++) {
-			target[i] = this.out(this.array[index * elementSize + i]);
+			target[i] = this._out(this._array[index * elementSize + i]);
 		}
@@ -343,3 +367,3 @@ return target;
 		for (let i = 0; i < elementSize; i++) {
-			this.array[index * elementSize + i] = this.in(value[i]);
+			this._array[index * elementSize + i] = this._in(value[i]);
 		}
@@ -358,3 +382,3 @@ return this;
 	public setBuffer(buffer: Buffer): this {
-		this.buffer = this.graph.link('buffer', this, buffer) as Link<Accessor, Buffer>;
+		this.buffer = this._graph.link('buffer', this, buffer) as Link<Accessor, Buffer>;
 		return this;
@@ -364,8 +388,8 @@ }
 	/** Returns the raw typed array underlying this accessor. */
-	public getArray(): TypedArray { return this.array; }
+	public getArray(): TypedArray { return this._array; }
 
 	/** Assigns the raw typed array underlying this accessor. */
 	public setArray(array: TypedArray): this {
-		this.componentType = arrayToComponentType(array);
-		this.array = array;
+		this._componentType = arrayToComponentType(array);
+		this._array = array;
 		return this;
@@ -376,3 +400,3 @@ }
 	public getByteLength(): number {
-		return this.array.byteLength;
+		return this._array.byteLength;
 	}
@@ -379,0 +403,0 @@ }

src/properties/buffer.ts

@@ -62,3 +62,3 @@ import { Property } from './property';
 	/** URI (or filename) of the buffer. */
-	private uri: string;
+	private _uri: string;
 
@@ -74,3 +74,3 @@ /**
 	public getURI(): string {
-		return this.uri;
+		return this._uri;
 	}
@@ -87,5 +87,5 @@
 	public setURI(uri: string): this {
-		this.uri = uri;
+		this._uri = uri;
 		return this;
 	}
 }

src/properties/material.ts

@@ -200,3 +200,3 @@ import { vec3, vec4 } from '../constants';
 	public setBaseColorTexture(texture: Texture): this {
-		this.baseColorTexture = this.graph.linkTexture('baseColorTexture', this, texture);
+		this.baseColorTexture = this._graph.linkTexture('baseColorTexture', this, texture);
 		return this;
@@ -249,3 +249,3 @@ }
 	public setEmissiveTexture(texture: Texture): this {
-		this.emissiveTexture = this.graph.linkTexture('emissiveTexture', this, texture);
+		this.emissiveTexture = this._graph.linkTexture('emissiveTexture', this, texture);
 		return this;
@@ -301,3 +301,3 @@ }
 	public setNormalTexture(texture: Texture): this {
-		this.normalTexture = this.graph.linkTexture('normalTexture', this, texture);
+		this.normalTexture = this._graph.linkTexture('normalTexture', this, texture);
 		return this;
@@ -353,3 +353,3 @@ }
 	public setOcclusionTexture(texture: Texture): this {
-		this.occlusionTexture = this.graph.linkTexture('occlusionTexture', this, texture);
+		this.occlusionTexture = this._graph.linkTexture('occlusionTexture', this, texture);
 		return this;
@@ -423,5 +423,5 @@ }
 	public setMetallicRoughnessTexture(texture: Texture): this {
-		this.metallicRoughnessTexture = this.graph.linkTexture('metallicRoughnessTexture', this, texture);
+		this.metallicRoughnessTexture = this._graph.linkTexture('metallicRoughnessTexture', this, texture);
 		return this;
 	}
 }

src/properties/mesh.ts

@@ -47,7 +47,7 @@ import { NotImplementedError } from '../constants';
 	/** Primitive GPU draw call list. */
-	@GraphChildList private _primitives: Link<Mesh, Primitive>[] = [];
+	@GraphChildList private primitives: Link<Mesh, Primitive>[] = [];
 
 	/** Adds a {@link Primitive} to the mesh's draw call list. */
 	public addPrimitive(primitive: Primitive): this {
-		return this.addGraphChild(this._primitives, this.graph.link('primitive', this, primitive));
+		return this.addGraphChild(this.primitives, this._graph.link('primitive', this, primitive));
 	}
@@ -57,3 +57,3 @@
 	public removePrimitive(primitive: Primitive): this {
-		return this.removeGraphChild(this._primitives, primitive);
+		return this.removeGraphChild(this.primitives, primitive);
 	}
@@ -63,3 +63,3 @@
 	public listPrimitives(): Primitive[] {
-		return this._primitives.map((p) => p.getChild());
+		return this.primitives.map((p) => p.getChild());
 	}
@@ -127,3 +127,3 @@ }
 	public setIndices(indices: Accessor): this {
-		this._indices = this.graph.linkIndex('index', this, indices) as Link<Primitive, Accessor>;
+		this._indices = this._graph.linkIndex('index', this, indices) as Link<Primitive, Accessor>;
 		return this;
@@ -143,3 +143,3 @@ }
 	public setAttribute(semantic: string, accessor: Accessor): this {
-		const link = this.graph.linkAttribute(semantic.toLowerCase(), this, accessor) as AttributeLink;
+		const link = this._graph.linkAttribute(semantic.toLowerCase(), this, accessor) as AttributeLink;
 		link.semantic = semantic;
@@ -182,3 +182,3 @@ return this.addGraphChild(this._attributes, link);
 	public setMaterial(material: Material): this {
-		this._material = this.graph.link('material', this, material) as Link<Primitive, Material>;
+		this._material = this._graph.link('material', this, material) as Link<Primitive, Material>;
 		return this;
@@ -185,0 +185,0 @@ }

src/properties/node.ts

@@ -38,5 +38,5 @@ import { vec3, vec4 } from '../constants';
 	public readonly propertyType = 'Node';
-	private translation: vec3 = [0, 0, 0];
-	private rotation: vec4 = [0, 0, 0, 1];
-	private scale: vec3 = [1, 1, 1];
+	private _translation: vec3 = [0, 0, 0];
+	private _rotation: vec4 = [0, 0, 0, 1];
+	private _scale: vec3 = [1, 1, 1];
 
@@ -47,13 +47,13 @@ @GraphChild private mesh: Link<Node, Mesh> = null;
 	/** Returns the translation (position) of this node in local space. */
-	public getTranslation(): vec3 { return this.translation; }
+	public getTranslation(): vec3 { return this._translation; }
 
 	/** Returns the rotation (quaternion) of this node in local space. */
-	public getRotation(): vec4 { return this.rotation; }
+	public getRotation(): vec4 { return this._rotation; }
 
 	/** Returns the scale of this node in local space. */
-	public getScale(): vec3 { return this.scale; }
+	public getScale(): vec3 { return this._scale; }
 
 	/** Sets the translation (position) of this node in local space. */
 	public setTranslation(translation: vec3): this {
-		this.translation = translation;
+		this._translation = translation;
 		return this;
@@ -64,3 +64,3 @@ }
 	public setRotation(rotation: vec4): this {
-		this.rotation = rotation;
+		this._rotation = rotation;
 		return this;
@@ -71,3 +71,3 @@ }
 	public setScale(scale: vec3): this {
-		this.scale = scale;
+		this._scale = scale;
 		return this;
@@ -78,3 +78,3 @@ }
 	public addChild(child: Node): this {
-		const link = this.graph.link('child', this, child) as Link<Root, Node>;
+		const link = this._graph.link('child', this, child) as Link<Root, Node>;
 		return this.addGraphChild(this.children, link);
@@ -101,5 +101,5 @@ }
 	public setMesh(mesh: Mesh): this {
-		this.mesh = this.graph.link('mesh', this, mesh) as Link<Node, Mesh>;
+		this.mesh = this._graph.link('mesh', this, mesh) as Link<Node, Mesh>;
 		return this;
 	}
 }

src/properties/property.ts

@@ -44,10 +44,10 @@ import { NotImplementedError } from '../constants';
 
-	protected readonly graph: PropertyGraph;
-	protected name = '';
+	protected readonly _graph: PropertyGraph;
+	protected _name = '';
 
 	// TODO(feat): Extras should be Properties.
-	protected extras: object = {};
+	protected _extras: object = {};
 
 	// TODO(feat): Extensions should be Properties.
-	protected extensions: object = {};
+	protected _extensions: object = {};
 
@@ -57,3 +57,3 @@ /** @hidden */
 		super(graph);
-		this.name = name;
+		this._name = name;
 	}
@@ -66,3 +66,3 @@
 	 */
-	public getName(): string { return this.name; }
+	public getName(): string { return this._name; }
 
@@ -75,3 +75,3 @@ /**
 	public setName(name: string): this {
-		this.name = name;
+		this._name = name;
 		return this;
@@ -81,7 +81,7 @@ }
 	/** @hidden */
-	public getExtras(): object { return this.extras; }
+	public getExtras(): object { return this._extras; }
 
 	/** @hidden */
 	public setExtras(extras: object): this {
-		this.extras = extras;
+		this._extras = extras;
 		return this;
@@ -91,7 +91,7 @@ }
 	/** @hidden */
-	public getExtensions(): object { return this.extensions; }
+	public getExtensions(): object { return this._extensions; }
 
 	/** @hidden */
 	public setExtensions(extensions: object): this {
-		this.extensions = extensions;
+		this._extensions = extensions;
 		return this;
@@ -110,3 +110,3 @@ }
 		// Detaching should keep properties in the same Document, and attached to its root.
-		this.graph.disconnectParents(this, (n: Property) => n.propertyType !== 'Root');
+		this._graph.disconnectParents(this, (n: Property) => n.propertyType !== 'Root');
 		return this;
@@ -113,0 +113,0 @@ }

src/properties/root.ts

@@ -47,3 +47,3 @@ import { NotImplementedError, VERSION } from '../constants';
 
-	private readonly asset: GLTF.IAsset = {
+	private readonly _asset: GLTF.IAsset = {
 		generator: `glTF-Transform ${VERSION}`,
@@ -67,3 +67,3 @@ version: '2.0'
 	 */
-	public getAsset(): GLTF.IAsset { return this.asset; }
+	public getAsset(): GLTF.IAsset { return this._asset; }
 
@@ -75,3 +75,3 @@ /**
 	public addScene(scene: Scene): this {
-		return this.addGraphChild(this.scenes, this.graph.link('scene', this, scene) as Link<Root, Scene>);
+		return this.addGraphChild(this.scenes, this._graph.link('scene', this, scene) as Link<Root, Scene>);
 	}
@@ -97,3 +97,3 @@
 	public addNode(node: Node): this {
-		return this.addGraphChild(this.nodes, this.graph.link('node', this, node) as Link<Root, Node>);
+		return this.addGraphChild(this.nodes, this._graph.link('node', this, node) as Link<Root, Node>);
 	}
@@ -119,3 +119,3 @@
 	public addMesh(mesh: Mesh): this {
-		return this.addGraphChild(this.meshes, this.graph.link('mesh', this, mesh) as Link<Root, Mesh>);
+		return this.addGraphChild(this.meshes, this._graph.link('mesh', this, mesh) as Link<Root, Mesh>);
 	}
@@ -141,3 +141,3 @@
 	public addMaterial(material: Material): this {
-		return this.addGraphChild(this.materials, this.graph.link('material', this, material) as Link<Root, Material>);
+		return this.addGraphChild(this.materials, this._graph.link('material', this, material) as Link<Root, Material>);
 	}
@@ -163,3 +163,3 @@
 	public addTexture(texture: Texture): this {
-		return this.addGraphChild(this.textures, this.graph.link('texture', this, texture) as Link<Root, Texture>);
+		return this.addGraphChild(this.textures, this._graph.link('texture', this, texture) as Link<Root, Texture>);
 	}
@@ -185,3 +185,3 @@
 	public addAccessor(accessor: Accessor): this {
-		return this.addGraphChild(this.accessors, this.graph.link('accessor', this, accessor) as Link<Root, Accessor>);
+		return this.addGraphChild(this.accessors, this._graph.link('accessor', this, accessor) as Link<Root, Accessor>);
 	}
@@ -207,3 +207,3 @@
 	public addBuffer(buffer: Buffer): this {
-		return this.addGraphChild(this.buffers, this.graph.link('buffer', this, buffer) as Link<Root, Buffer>);
+		return this.addGraphChild(this.buffers, this._graph.link('buffer', this, buffer) as Link<Root, Buffer>);
 	}
@@ -210,0 +210,0 @@

src/properties/scene.ts

@@ -29,3 +29,3 @@ import { GraphChildList, Link } from '../graph/index';
 	public addNode(node: Node): this {
-		return this.addGraphChild(this.nodes, this.graph.link('node', this, node) as Link<Root, Node>);
+		return this.addGraphChild(this.nodes, this._graph.link('node', this, node) as Link<Root, Node>);
 	}
@@ -32,0 +32,0 @@

src/properties/texture.ts

@@ -143,6 +143,6 @@ import { vec2 } from '../constants';
 
-	private magFilter: GLTF.TextureMagFilter = null;
-	private minFilter: GLTF.TextureMinFilter = null;
-	private wrapS: GLTF.TextureWrapMode = GLTF.TextureWrapMode.REPEAT;
-	private wrapT: GLTF.TextureWrapMode = GLTF.TextureWrapMode.REPEAT;
+	private _magFilter: GLTF.TextureMagFilter = null;
+	private _minFilter: GLTF.TextureMinFilter = null;
+	private _wrapS: GLTF.TextureWrapMode = GLTF.TextureWrapMode.REPEAT;
+	private _wrapT: GLTF.TextureWrapMode = GLTF.TextureWrapMode.REPEAT;
 
@@ -177,7 +177,7 @@ /** UV wrapping mode. Values correspond to WebGL enums. */
 	/** Returns the magnification filter applied to the texture. */
-	public getMagFilter(): GLTF.TextureMagFilter { return this.magFilter; }
+	public getMagFilter(): GLTF.TextureMagFilter { return this._magFilter; }
 
 	/** Sets the magnification filter applied to the texture. */
 	public setMagFilter(magFilter: GLTF.TextureMagFilter): this {
-		this.magFilter = magFilter;
+		this._magFilter = magFilter;
 		return this;
@@ -187,7 +187,7 @@ }
 	/** Sets the minification filter applied to the texture. */
-	public getMinFilter(): GLTF.TextureMinFilter { return this.minFilter; }
+	public getMinFilter(): GLTF.TextureMinFilter { return this._minFilter; }
 
 	/** Returns the minification filter applied to the texture. */
 	public setMinFilter(minFilter: GLTF.TextureMinFilter): this {
-		this.minFilter = minFilter;
+		this._minFilter = minFilter;
 		return this;
@@ -201,7 +201,7 @@ }
 	/** Returns the S (U) wrapping mode for UVs used by the texture. */
-	public getWrapS(): GLTF.TextureWrapMode { return this.wrapS; }
+	public getWrapS(): GLTF.TextureWrapMode { return this._wrapS; }
 
 	/** Sets the S (U) wrapping mode for UVs used by the texture. */
 	public setWrapS(wrapS: GLTF.TextureWrapMode): this {
-		this.wrapS = wrapS;
+		this._wrapS = wrapS;
 		return this;
@@ -211,9 +211,9 @@ }
 	/** Returns the T (V) wrapping mode for UVs used by the texture. */
-	public getWrapT(): GLTF.TextureWrapMode { return this.wrapT; }
+	public getWrapT(): GLTF.TextureWrapMode { return this._wrapT; }
 
 	/** Sets the T (V) wrapping mode for UVs used by the texture. */
 	public setWrapT(wrapT: GLTF.TextureWrapMode): this {
-		this.wrapT = wrapT;
+		this._wrapT = wrapT;
 		return this;
 	}
 }

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