Enforce importsNotUsedAsValues:'error'

packages/cli/src/inspect.ts

@@ -1,6 +1,6 @@
 import CLITable from 'cli-table3';
 import { stringify } from 'csv-stringify';
-import { JSONDocument, Logger, NodeIO, WebIO } from '@gltf-transform/core';
+import type { JSONDocument, Logger, NodeIO, WebIO } from '@gltf-transform/core';
 import {
 	InspectAnimationReport,
 	InspectMaterialReport,
@@ -11,7 +11,7 @@ import {
 	inspect as inspectDoc,
 } from '@gltf-transform/functions';
 import { formatBytes, formatHeader, formatLong, formatParagraph, formatXMP } from './util';
-import { Packet } from '@gltf-transform/extensions';
+import type { Packet } from '@gltf-transform/extensions';
 
 export enum InspectFormat {
 	PRETTY = 'pretty',

packages/cli/src/session.ts

@@ -1,5 +1,5 @@
 import { Document, NodeIO, Logger, FileUtils, Transform } from '@gltf-transform/core';
-import { Packet, XMP } from '@gltf-transform/extensions';
+import type { Packet, XMP } from '@gltf-transform/extensions';
 import { formatBytes, XMPContext } from './util';
 
 /** Helper class for managing a CLI command session. */

packages/cli/src/transforms/ktxfix.ts

@@ -1,7 +1,7 @@
 const micromatch = require('micromatch');
 
 import { KTX2Primaries, read, write } from 'ktx-parse';
-import { Document, Transform } from '@gltf-transform/core';
+import type { Document, Transform } from '@gltf-transform/core';
 import { MICROMATCH_OPTIONS } from '../util';
 import { listTextureSlots } from '@gltf-transform/functions';
 

packages/cli/src/transforms/xmp.ts

@@ -1,4 +1,4 @@
-import { Document, Logger, Transform } from '@gltf-transform/core';
+import type { Document, Logger, Transform } from '@gltf-transform/core';
 import { Packet, XMP } from '@gltf-transform/extensions';
 import inquirer from 'inquirer';
 import { check as validateLanguage } from 'language-tags';

packages/cli/src/validate.ts

@@ -2,7 +2,7 @@ import fs from 'fs';
 import path from 'path';
 import CLITable from 'cli-table3';
 import type Validator from 'gltf-validator';
-import { Logger } from '@gltf-transform/core';
+import type { Logger } from '@gltf-transform/core';
 import { formatHeader } from './util';
 
 const validator = createValidator();

packages/cli/tsconfig.json

@@ -6,6 +6,7 @@
   ],
   "compilerOptions": {
     "outDir": "dist",
-    "strict": true
+    "strict": true,
+    "importsNotUsedAsValues": "error",
   }
 }

packages/core/src/document.ts

@@ -1,5 +1,5 @@
 import { PropertyType } from './constants';
-import { Extension } from './extension';
+import type { Extension } from './extension';
 import { Graph } from 'property-graph';
 import {
 	Accessor,

packages/core/src/extension.ts

@@ -1,7 +1,7 @@
-import { GraphEdgeEvent, GraphEvent, GraphNodeEvent } from 'property-graph';
-import { PropertyType } from './constants';
-import { Document } from './document';
-import { ReaderContext, WriterContext } from './io';
+import type { GraphEdgeEvent, GraphEvent, GraphNodeEvent } from 'property-graph';
+import type { PropertyType } from './constants';
+import type { Document } from './document';
+import type { ReaderContext, WriterContext } from './io';
 import { ExtensionProperty } from './properties';
 
 /**

packages/core/src/io/node-io.ts

@@ -1,5 +1,5 @@
 import { Format } from '../constants';
-import { Document } from '../document';
+import type { Document } from '../document';
 import { FileUtils } from '../utils/';
 import { PlatformIO } from './platform-io';
 import { HTTPUtils } from '../utils';

packages/core/src/io/platform-io.ts

@@ -1,8 +1,8 @@
 import { Format, GLB_BUFFER, VertexLayout } from '../constants';
-import { Document } from '../document';
-import { Extension } from '../extension';
-import { JSONDocument } from '../json-document';
-import { GLTF } from '../types/gltf';
+import type { Document } from '../document';
+import type { Extension } from '../extension';
+import type { JSONDocument } from '../json-document';
+import type { GLTF } from '../types/gltf';
 import { BufferUtils, FileUtils, HTTPUtils, Logger, uuid } from '../utils/';
 import { GLTFReader } from './reader';
 import { GLTFWriter, WriterOptions } from './writer';

packages/core/src/io/reader-context.ts

@@ -1,5 +1,5 @@
-import { JSONDocument } from '../json-document';
-import {
+import type { JSONDocument } from '../json-document';
+import type {
 	Accessor,
 	Animation,
 	Buffer,
@@ -12,7 +12,7 @@ import {
 	Texture,
 	TextureInfo,
 } from '../properties';
-import { GLTF } from '../types/gltf';
+import type { GLTF } from '../types/gltf';
 
 /**
  * Model class providing glTF-Transform objects representing each definition in the glTF file, used

packages/core/src/io/reader.ts

@@ -1,9 +1,9 @@
 import { GLB_BUFFER, PropertyType, TypedArray, mat4, vec3, vec4 } from '../constants';
 import { Document } from '../document';
-import { Extension } from '../extension';
-import { JSONDocument } from '../json-document';
+import type { Extension } from '../extension';
+import type { JSONDocument } from '../json-document';
 import { Accessor, AnimationSampler, Camera } from '../properties';
-import { GLTF } from '../types/gltf';
+import type { GLTF } from '../types/gltf';
 import { BufferUtils, FileUtils, ImageUtils, Logger, MathUtils } from '../utils';
 import { ReaderContext } from './reader-context';
 

packages/core/src/io/writer-context.ts

@@ -1,7 +1,7 @@
 import { BufferViewUsage, Format, PropertyType } from '../constants';
-import { Document } from '../document';
-import { JSONDocument } from '../json-document';
-import {
+import type { Document } from '../document';
+import type { JSONDocument } from '../json-document';
+import type {
 	Accessor,
 	Animation,
 	Buffer,
@@ -15,9 +15,9 @@ import {
 	Texture,
 	TextureInfo,
 } from '../properties';
-import { GLTF } from '../types/gltf';
+import type { GLTF } from '../types/gltf';
 import { ImageUtils, Logger } from '../utils';
-import { WriterOptions } from './writer';
+import type { WriterOptions } from './writer';
 
 type PropertyDef = GLTF.IScene | GLTF.INode | GLTF.IMaterial | GLTF.ISkin | GLTF.ITexture;
 

packages/core/src/io/writer.ts

@@ -1,10 +1,10 @@
 import { Format, GLB_BUFFER, PropertyType, VERSION, VertexLayout } from '../constants';
-import { Document } from '../document';
-import { Extension } from '../extension';
-import { GraphEdge } from 'property-graph';
-import { JSONDocument } from '../json-document';
+import type { Document } from '../document';
+import type { Extension } from '../extension';
+import type { GraphEdge } from 'property-graph';
+import type { JSONDocument } from '../json-document';
 import { Accessor, AnimationSampler, Camera, Material, Property } from '../properties';
-import { GLTF } from '../types/gltf';
+import type { GLTF } from '../types/gltf';
 import { BufferUtils, Logger, MathUtils } from '../utils';
 import { WriterContext } from './writer-context';
 

packages/core/src/json-document.ts

@@ -1,4 +1,4 @@
-import { GLTF } from './types/gltf';
+import type { GLTF } from './types/gltf';
 
 /**
  * # JSONDocument

packages/core/src/properties/accessor.ts

@@ -1,7 +1,7 @@
 import { Nullable, PropertyType, TypedArray } from '../constants';
-import { GLTF } from '../types/gltf';
+import type { GLTF } from '../types/gltf';
 import { MathUtils } from '../utils';
-import { Buffer } from './buffer';
+import type { Buffer } from './buffer';
 import { ExtensibleProperty, IExtensibleProperty } from './extensible-property';
 import { COPY_IDENTITY } from './property';
 

packages/core/src/properties/animation-channel.ts

@@ -1,8 +1,8 @@
 import { Nullable, PropertyType } from '../constants';
-import { GLTF } from '../types/gltf';
-import { AnimationSampler } from './animation-sampler';
+import type { GLTF } from '../types/gltf';
+import type { AnimationSampler } from './animation-sampler';
 import { ExtensibleProperty, IExtensibleProperty } from './extensible-property';
-import { Node } from './node';
+import type { Node } from './node';
 
 interface IAnimationChannel extends IExtensibleProperty {
 	targetPath: GLTF.AnimationChannelTargetPath | null;

packages/core/src/properties/animation-sampler.ts

@@ -1,6 +1,6 @@
 import { BufferViewUsage, Nullable, PropertyType } from '../constants';
-import { GLTF } from '../types/gltf';
-import { Accessor } from './accessor';
+import type { GLTF } from '../types/gltf';
+import type { Accessor } from './accessor';
 import { ExtensibleProperty, IExtensibleProperty } from './extensible-property';
 
 interface IAnimationSampler extends IExtensibleProperty {

packages/core/src/properties/animation.ts

@@ -1,6 +1,6 @@
 import { Nullable, PropertyType } from '../constants';
-import { AnimationChannel } from './animation-channel';
-import { AnimationSampler } from './animation-sampler';
+import type { AnimationChannel } from './animation-channel';
+import type { AnimationSampler } from './animation-sampler';
 import { ExtensibleProperty, IExtensibleProperty } from './extensible-property';
 
 interface IAnimation extends IExtensibleProperty {

packages/core/src/properties/camera.ts

@@ -1,5 +1,5 @@
 import { Nullable, PropertyType } from '../constants';
-import { GLTF } from '../types/gltf';
+import type { GLTF } from '../types/gltf';
 import { ExtensibleProperty, IExtensibleProperty } from './extensible-property';
 
 interface ICamera extends IExtensibleProperty {

packages/core/src/properties/extensible-property.ts

@@ -1,5 +1,5 @@
-import { Nullable } from '../constants';
-import { ExtensionProperty } from './extension-property';
+import type { Nullable } from '../constants';
+import type { ExtensionProperty } from './extension-property';
 import { Property, IProperty } from './property';
 
 export interface IExtensibleProperty extends IProperty {

packages/core/src/properties/extension-property.ts

@@ -1,4 +1,4 @@
-import { ExtensibleProperty } from './extensible-property';
+import type { ExtensibleProperty } from './extensible-property';
 import { Property, IProperty } from './property';
 
 /**

packages/core/src/properties/material.ts

@@ -1,8 +1,8 @@
 import { Nullable, PropertyType, TextureChannel, vec3, vec4 } from '../constants';
-import { GLTF } from '../types/gltf';
+import type { GLTF } from '../types/gltf';
 import { ColorUtils } from '../utils';
 import { ExtensibleProperty, IExtensibleProperty } from './extensible-property';
-import { Texture } from './texture';
+import type { Texture } from './texture';
 import { TextureInfo } from './texture-info';
 
 const { R, G, B, A } = TextureChannel;

packages/core/src/properties/mesh.ts

@@ -1,6 +1,6 @@
 import { Nullable, PropertyType } from '../constants';
 import { ExtensibleProperty, IExtensibleProperty } from './extensible-property';
-import { Primitive } from './primitive';
+import type { Primitive } from './primitive';
 
 interface IMesh extends IExtensibleProperty {
 	weights: number[];

packages/core/src/properties/node.ts

@@ -2,11 +2,11 @@ import { multiply } from 'gl-matrix/mat4';
 import { PropertyType, mat4, vec3, vec4, Nullable } from '../constants';
 import { $attributes } from 'property-graph';
 import { MathUtils } from '../utils';
-import { Camera } from './camera';
+import type { Camera } from './camera';
 import { ExtensibleProperty, IExtensibleProperty } from './extensible-property';
-import { Mesh } from './mesh';
+import type { Mesh } from './mesh';
 import { COPY_IDENTITY } from './property';
-import { Skin } from './skin';
+import type { Skin } from './skin';
 
 interface INode extends IExtensibleProperty {
 	translation: vec3;

packages/core/src/properties/primitive-target.ts

@@ -1,6 +1,6 @@
 import { BufferViewUsage, Nullable, PropertyType } from '../constants';
-import { Accessor } from './accessor';
-import { IExtensibleProperty } from './extensible-property';
+import type { Accessor } from './accessor';
+import type { IExtensibleProperty } from './extensible-property';
 import { Property } from './property';
 
 interface IPrimitiveTarget extends IExtensibleProperty {

packages/core/src/properties/primitive.ts

@@ -1,9 +1,9 @@
 import { BufferViewUsage, Nullable, PropertyType } from '../constants';
-import { GLTF } from '../types/gltf';
-import { Accessor } from './accessor';
+import type { GLTF } from '../types/gltf';
+import type { Accessor } from './accessor';
 import { ExtensibleProperty, IExtensibleProperty } from './extensible-property';
-import { Material } from './material';
-import { PrimitiveTarget } from './primitive-target';
+import type { Material } from './material';
+import type { PrimitiveTarget } from './primitive-target';
 
 interface IPrimitive extends IExtensibleProperty {
 	mode: GLTF.MeshPrimitiveMode;

packages/core/src/properties/property.ts

@@ -1,4 +1,4 @@
-import { Nullable } from '../constants';
+import type { Nullable } from '../constants';
 import { $attributes, $immutableKeys, Graph, GraphNode, GraphEdge, isRef, isRefList, isRefMap } from 'property-graph';
 import { equalsArray, equalsObject, equalsRef, equalsRefList, equalsRefMap, isArray, isPlainObject } from '../utils';
 import type { Ref, RefMap, UnknownRef } from '../utils';

packages/core/src/properties/root.ts

@@ -1,6 +1,6 @@
 import { Nullable, PropertyType, VERSION } from '../constants';
-import { Extension } from '../extension';
-import { Graph } from 'property-graph';
+import type { Extension } from '../extension';
+import type { Graph } from 'property-graph';
 import { Accessor } from './accessor';
 import { Animation } from './animation';
 import { Buffer } from './buffer';
@@ -13,7 +13,7 @@ import { Scene } from './scene';
 import { Skin } from './skin';
 import { Texture } from './texture';
 import { ExtensibleProperty, IExtensibleProperty } from './extensible-property';
-import { ExtensionProperty } from './extension-property';
+import type { ExtensionProperty } from './extension-property';
 
 interface IAsset {
 	version: string;

packages/core/src/properties/scene.ts

@@ -1,7 +1,7 @@
 import { Nullable, PropertyType } from '../constants';
 import { $attributes } from 'property-graph';
 import { ExtensibleProperty, IExtensibleProperty } from './extensible-property';
-import { Node } from './node';
+import type { Node } from './node';
 import { COPY_IDENTITY } from './property';
 
 interface IScene extends IExtensibleProperty {

packages/core/src/properties/skin.ts

@@ -1,7 +1,7 @@
 import { BufferViewUsage, Nullable, PropertyType } from '../constants';
-import { Accessor } from './accessor';
+import type { Accessor } from './accessor';
 import { ExtensibleProperty, IExtensibleProperty } from './extensible-property';
-import { Node } from './node';
+import type { Node } from './node';
 
 interface ISkin extends IExtensibleProperty {
 	skeleton: Node;

packages/core/src/properties/texture-info.ts

@@ -1,5 +1,5 @@
 import { Nullable, PropertyType } from '../constants';
-import { GLTF } from '../types/gltf';
+import type { GLTF } from '../types/gltf';
 import { ExtensibleProperty, IExtensibleProperty } from './extensible-property';
 
 interface ITextureInfo extends IExtensibleProperty {

packages/core/src/utils/buffer-utils.ts

@@ -1,4 +1,4 @@
-import { TypedArray } from '../constants';
+import type { TypedArray } from '../constants';
 
 /**
  * # BufferUtils

packages/core/src/utils/color-utils.ts

@@ -1,4 +1,4 @@
-import { vec3, vec4 } from '../constants';
+import type { vec3, vec4 } from '../constants';
 
 /**
  * # ColorUtils

packages/core/src/utils/image-utils.ts

@@ -1,4 +1,4 @@
-import { vec2 } from '../constants';
+import type { vec2 } from '../constants';
 import { BufferUtils } from './buffer-utils';
 
 /** Implements support for an image format in the {@link ImageUtils} class. */

packages/core/src/utils/math-utils.ts

@@ -1,7 +1,7 @@
 import { determinant, getRotation } from 'gl-matrix/mat4';
 import { length } from 'gl-matrix/vec3';
-import { mat4, vec3, vec4 } from '../constants';
-import { GLTF } from '../types/gltf';
+import type { mat4, vec3, vec4 } from '../constants';
+import type { GLTF } from '../types/gltf';
 
 /** @hidden */
 export class MathUtils {

packages/core/src/utils/property-utils.ts

@@ -1,6 +1,6 @@
-import { GraphEdge } from 'property-graph';
+import type { GraphEdge } from 'property-graph';
 import { isPlainObject } from './is-plain-object';
-import { BufferViewUsage } from '../constants';
+import type { BufferViewUsage } from '../constants';
 import type { Property } from '../properties';
 
 export type Ref = GraphEdge<Property, Property>;

packages/core/tsconfig.json

@@ -7,5 +7,6 @@
     "compilerOptions": {
       "outDir": "dist",
       "strict": true,
+      "importsNotUsedAsValues": "error",
     }
 }

packages/extensions/src/ext-meshopt-compression/constants.ts

@@ -1,4 +1,4 @@
-import { GLTF, TypedArray } from '@gltf-transform/core';
+import type { GLTF, TypedArray } from '@gltf-transform/core';
 
 export enum EncoderMethod {
 	QUANTIZE = 'quantize',

packages/extensions/src/ext-meshopt-compression/decoder.ts

@@ -1,6 +1,6 @@
 import { EXT_MESHOPT_COMPRESSION } from '../constants';
-import { GLTF } from '@gltf-transform/core';
-import { MeshoptBufferExtension } from './constants';
+import type { GLTF } from '@gltf-transform/core';
+import type { MeshoptBufferExtension } from './constants';
 
 /**
  * Returns true for a fallback buffer, else false.