Linting: Update linter to enforce ES 2018 features

.eslintrc.json

@@ -0,0 +1,61 @@
+{
+  "root": true,
+  "env": {
+    "browser": true,
+    "node": true,
+    "es2018": true
+  },
+  "parserOptions": {
+    "ecmaVersion": 2018,
+    "sourceType": "module"
+  },
+  "extends": [
+    "mdcs",
+    "plugin:compat/recommended"
+  ],
+  "plugins": [
+    "html",
+    "import"
+  ],
+  "settings": {
+    "polyfills": [
+      "WebGL2RenderingContext"
+    ]
+  },
+  "globals": {
+    "__THREE_DEVTOOLS__": "readonly",
+    "potpack": "readonly",
+    "fflate": "readonly",
+    "OIMO": "readonly",
+    "Stats": "readonly",
+    "XRWebGLBinding": "readonly",
+    "XRWebGLLayer": "readonly",
+    "GPUShaderStage": "readonly",
+    "GPUBufferUsage": "readonly",
+    "GPUTextureUsage": "readonly",
+    "GPUMapMode": "readonly",
+    "QUnit": "readonly",
+    "Ammo": "readonly",
+    "XRRigidTransform": "readonly",
+    "XRMediaBinding": "readonly",
+    "CodeMirror": "readonly",
+    "esprima": "readonly",
+    "jsonlint": "readonly"
+  },
+  "rules": {
+    "no-throw-literal": [
+      "error"
+    ],
+    "quotes": [
+      "error",
+      "single"
+    ],
+    "prefer-const": [
+      "error",
+      {
+        "destructuring": "any",
+        "ignoreReadBeforeAssign": false
+      }
+    ]
+  }
+}

package.json

@@ -38,58 +38,6 @@
     "example": "examples",
     "test": "test"
   },
-  "eslintConfig": {
-    "root": true,
-    "extends": [
-      "mdcs",
-      "plugin:compat/recommended"
-    ],
-    "plugins": [
-      "html",
-      "import"
-    ],
-    "settings": {
-      "polyfills": [
-        "WebGL2RenderingContext"
-      ]
-    },
-    "globals": {
-      "__THREE_DEVTOOLS__": "readonly",
-      "potpack": "readonly",
-      "fflate": "readonly",
-      "OIMO": "readonly",
-      "Stats": "readonly",
-      "XRWebGLBinding": "readonly",
-      "XRWebGLLayer": "readonly",
-      "GPUShaderStage": "readonly",
-      "GPUBufferUsage": "readonly",
-      "GPUTextureUsage": "readonly",
-      "GPUMapMode": "readonly",
-      "QUnit": "readonly",
-      "Ammo": "readonly",
-      "XRRigidTransform": "readonly",
-      "XRMediaBinding": "readonly",
-      "CodeMirror": "readonly",
-      "esprima": "readonly",
-      "jsonlint": "readonly"
-    },
-    "rules": {
-      "no-throw-literal": [
-        "error"
-      ],
-      "quotes": [
-        "error",
-        "single"
-      ],
-      "prefer-const": [
-        "error",
-        {
-          "destructuring": "any",
-          "ignoreReadBeforeAssign": false
-        }
-      ]
-    }
-  },
   "browserslist": [
     "> 1%, not dead, not ie 11, not op_mini all"
   ],

src/Three.js

@@ -86,7 +86,7 @@ export { BooleanKeyframeTrack } from './animation/tracks/BooleanKeyframeTrack.js
 export { PropertyMixer } from './animation/PropertyMixer.js';
 export { PropertyBinding } from './animation/PropertyBinding.js';
 export { KeyframeTrack } from './animation/KeyframeTrack.js';
-export * as AnimationUtils from './animation/AnimationUtils.js';
+export { AnimationUtils } from './animation/AnimationUtils.js';
 export { AnimationObjectGroup } from './animation/AnimationObjectGroup.js';
 export { AnimationMixer } from './animation/AnimationMixer.js';
 export { AnimationClip } from './animation/AnimationClip.js';
@@ -111,7 +111,7 @@ export { DiscreteInterpolant } from './math/interpolants/DiscreteInterpolant.js'
 export { CubicInterpolant } from './math/interpolants/CubicInterpolant.js';
 export { Interpolant } from './math/Interpolant.js';
 export { Triangle } from './math/Triangle.js';
-export * as MathUtils from './math/MathUtils.js';
+export { MathUtils } from './math/MathUtils.js';
 export { Spherical } from './math/Spherical.js';
 export { Cylindrical } from './math/Cylindrical.js';
 export { Plane } from './math/Plane.js';
@@ -150,7 +150,7 @@ export { Path } from './extras/core/Path.js';
 export { ShapePath } from './extras/core/ShapePath.js';
 export { CurvePath } from './extras/core/CurvePath.js';
 export { Curve } from './extras/core/Curve.js';
-export * as DataUtils from './extras/DataUtils.js';
+export { DataUtils } from './extras/DataUtils.js';
 export { ImageUtils } from './extras/ImageUtils.js';
 export { ShapeUtils } from './extras/ShapeUtils.js';
 export { PMREMGenerator } from './extras/PMREMGenerator.js';

src/animation/AnimationUtils.js

@@ -349,6 +349,17 @@ function makeClipAdditive( targetClip, referenceFrame = 0, referenceClip = targe
 
 }
 
+const AnimationUtils = {
+	arraySlice: arraySlice,
+	convertArray: convertArray,
+	isTypedArray: isTypedArray,
+	getKeyframeOrder: getKeyframeOrder,
+	sortedArray: sortedArray,
+	flattenJSON: flattenJSON,
+	subclip: subclip,
+	makeClipAdditive: makeClipAdditive
+};
+
 export {
 	arraySlice,
 	convertArray,
@@ -357,5 +368,6 @@ export {
 	sortedArray,
 	flattenJSON,
 	subclip,
-	makeClipAdditive
+	makeClipAdditive,
+	AnimationUtils
 };

src/extras/DataUtils.js

@@ -164,7 +164,13 @@ function fromHalfFloat( val ) {
 
 }
 
+const DataUtils = {
+	toHalfFloat: toHalfFloat,
+	fromHalfFloat: fromHalfFloat,
+};
+
 export {
 	toHalfFloat,
-	fromHalfFloat
+	fromHalfFloat,
+	DataUtils
 };

src/math/MathUtils.js

@@ -291,7 +291,32 @@ function normalize( value, array ) {
 
 }
 
-
+const MathUtils = {
+	DEG2RAD: DEG2RAD,
+	RAD2DEG: RAD2DEG,
+	generateUUID: generateUUID,
+	clamp: clamp,
+	euclideanModulo: euclideanModulo,
+	mapLinear: mapLinear,
+	inverseLerp: inverseLerp,
+	lerp: lerp,
+	damp: damp,
+	pingpong: pingpong,
+	smoothstep: smoothstep,
+	smootherstep: smootherstep,
+	randInt: randInt,
+	randFloat: randFloat,
+	randFloatSpread: randFloatSpread,
+	seededRandom: seededRandom,
+	degToRad: degToRad,
+	radToDeg: radToDeg,
+	isPowerOfTwo: isPowerOfTwo,
+	ceilPowerOfTwo: ceilPowerOfTwo,
+	floorPowerOfTwo: floorPowerOfTwo,
+	setQuaternionFromProperEuler: setQuaternionFromProperEuler,
+	normalize: normalize,
+	denormalize: denormalize
+};
 
 export {
 	DEG2RAD,
@@ -318,4 +343,5 @@ export {
 	setQuaternionFromProperEuler,
 	normalize,
 	denormalize,
+	MathUtils
 };