From df5e75164d896ca1f9d96c15e0e163e825545f46 Mon Sep 17 00:00:00 2001
From: David Brown <d.boyer.brown@gmail.com>
Date: Thu, 19 Sep 2024 18:33:27 -0400
Subject: [PATCH 1/3] Issue#11474- Partial commit

This is a partial commit to check whether I am making the correct changes
---
 .../Source/DataSources/BillboardGraphics.js   |  85 ++--
 .../engine/Source/DataSources/BoxGraphics.js  |   8 +-
 .../DataSources/ConstantPositionProperty.js   |   7 +-
 .../Source/DataSources/KmlDataSource.js       | 432 +++++++++---------
 .../BaseLayerPickerViewModel.js               |  31 +-
 .../BaseLayerPicker/ProviderViewModel.js      |   4 +-
 .../FullscreenButtonViewModel.js              |  23 +-
 .../Source/Geocoder/GeocoderViewModel.js      |  23 +-
 packages/widgets/Source/InspectorShared.js    |  22 +-
 .../NavigationHelpButton.js                   |  33 +-
 .../PerformanceWatchdogViewModel.js           |  13 +-
 .../SceneModePickerViewModel.js               |   3 +-
 .../SelectionIndicatorViewModel.js            |  11 +-
 .../Source/Timeline/TimelineHighlightRange.js |  12 +-
 .../widgets/Source/ToggleButtonViewModel.js   |   6 +-
 .../Source/VRButton/VRButtonViewModel.js      |  12 +-
 packages/widgets/Source/Viewer/Viewer.js      | 149 +++---
 .../Source/Viewer/viewerDragDropMixin.js      |  18 +-
 .../Viewer/viewerPerformanceWatchdogMixin.js  |   2 +-
 packages/widgets/Source/createCommand.js      |   4 +-
 packages/widgets/Specs/createViewer.js        |   7 +-
 21 files changed, 422 insertions(+), 483 deletions(-)

diff --git a/packages/engine/Source/DataSources/BillboardGraphics.js b/packages/engine/Source/DataSources/BillboardGraphics.js
index bdd950736c2b..c42a9bf53263 100644
--- a/packages/engine/Source/DataSources/BillboardGraphics.js
+++ b/packages/engine/Source/DataSources/BillboardGraphics.js
@@ -92,8 +92,7 @@ function BillboardGraphics(options) {
   this._disableDepthTestDistanceSubscription = undefined;
   this._splitDirection = undefined;
   this._splitDirectionSubscription = undefined;
-
-  this.merge(defaultValue(options, defaultValue.EMPTY_OBJECT));
+  this.merge(options ?? defaultValue.EMPTY_OBJECT);
 }
 
 Object.defineProperties(BillboardGraphics.prototype, {
@@ -303,7 +302,7 @@ Object.defineProperties(BillboardGraphics.prototype, {
    * @type {Property|undefined}
    */
   pixelOffsetScaleByDistance: createPropertyDescriptor(
-    "pixelOffsetScaleByDistance"
+    "pixelOffsetScaleByDistance",
   ),
 
   /**
@@ -321,7 +320,7 @@ Object.defineProperties(BillboardGraphics.prototype, {
    * @type {Property|undefined}
    */
   distanceDisplayCondition: createPropertyDescriptor(
-    "distanceDisplayCondition"
+    "distanceDisplayCondition",
   ),
 
   /**
@@ -331,7 +330,7 @@ Object.defineProperties(BillboardGraphics.prototype, {
    * @type {Property|undefined}
    */
   disableDepthTestDistance: createPropertyDescriptor(
-    "disableDepthTestDistance"
+    "disableDepthTestDistance",
   ),
 
   /**
@@ -390,56 +389,30 @@ BillboardGraphics.prototype.merge = function (source) {
   }
   //>>includeEnd('debug');
 
-  this.show = defaultValue(this._show, source.show);
-  this.image = defaultValue(this._image, source.image);
-  this.scale = defaultValue(this._scale, source.scale);
-  this.pixelOffset = defaultValue(this._pixelOffset, source.pixelOffset);
-  this.eyeOffset = defaultValue(this._eyeOffset, source.eyeOffset);
-  this.horizontalOrigin = defaultValue(
-    this._horizontalOrigin,
-    source.horizontalOrigin
-  );
-  this.verticalOrigin = defaultValue(
-    this._verticalOrigin,
-    source.verticalOrigin
-  );
-  this.heightReference = defaultValue(
-    this._heightReference,
-    source.heightReference
-  );
-  this.color = defaultValue(this._color, source.color);
-  this.rotation = defaultValue(this._rotation, source.rotation);
-  this.alignedAxis = defaultValue(this._alignedAxis, source.alignedAxis);
-  this.sizeInMeters = defaultValue(this._sizeInMeters, source.sizeInMeters);
-  this.width = defaultValue(this._width, source.width);
-  this.height = defaultValue(this._height, source.height);
-  this.scaleByDistance = defaultValue(
-    this._scaleByDistance,
-    source.scaleByDistance
-  );
-  this.translucencyByDistance = defaultValue(
-    this._translucencyByDistance,
-    source.translucencyByDistance
-  );
-  this.pixelOffsetScaleByDistance = defaultValue(
-    this._pixelOffsetScaleByDistance,
-    source.pixelOffsetScaleByDistance
-  );
-  this.imageSubRegion = defaultValue(
-    this._imageSubRegion,
-    source.imageSubRegion
-  );
-  this.distanceDisplayCondition = defaultValue(
-    this._distanceDisplayCondition,
-    source.distanceDisplayCondition
-  );
-  this.disableDepthTestDistance = defaultValue(
-    this._disableDepthTestDistance,
-    source.disableDepthTestDistance
-  );
-  this.splitDirection = defaultValue(
-    this.splitDirection,
-    source.splitDirection
-  );
+  this.show = this._show ?? source.show;
+  this.image = this._image ?? source.image;
+  this.scale = this._scale ?? source.scale;
+  this.pixelOffset = this._pixelOffset ?? source.pixelOffset;
+  this.eyeOffset = this._eyeOffset ?? source.eyeOffset;
+  this.horizontalOrigin = this._horizontalOrigin ?? source.horizontalOrigin;
+  this.verticalOrigin = this._verticalOrigin ?? source.verticalOrigin;
+  this.heightReference = this._heightReference ?? source.heightReference;
+  this.color = this._color ?? source.color;
+  this.rotation = this._rotation ?? source.rotation;
+  this.alignedAxis = this._alignedAxis ?? source.alignedAxis;
+  this.sizeInMeters = this._sizeInMeters ?? source.sizeInMeters;
+  this.width = this._width ?? source.width;
+  this.height = this._height ?? source.height;
+  this.scaleByDistance = this._scaleByDistance ?? source.scaleByDistance;
+  this.translucencyByDistance =
+    this._translucencyByDistance ?? source.translucencyByDistance;
+  this.pixelOffsetScaleByDistance =
+    this._pixelOffsetScaleByDistance ?? source.pixelOffsetScaleByDistance;
+  this.imageSubRegion = this._imageSubRegion ?? source.imageSubRegion;
+  this.distanceDisplayCondition =
+    this._distanceDisplayCondition ?? source.distanceDisplayCondition;
+  this.disableDepthTestDistance =
+    this._disableDepthTestDistance ?? source.disableDepthTestDistance;
+  this.splitDirection = this.splitDirection ?? source.splitDirection;
 };
 export default BillboardGraphics;
diff --git a/packages/engine/Source/DataSources/BoxGraphics.js b/packages/engine/Source/DataSources/BoxGraphics.js
index d922d1022850..4b8cd59918e6 100644
--- a/packages/engine/Source/DataSources/BoxGraphics.js
+++ b/packages/engine/Source/DataSources/BoxGraphics.js
@@ -56,7 +56,7 @@ function BoxGraphics(options) {
   this._distanceDisplayCondition = undefined;
   this._distanceDisplayConditionSubscription = undefined;
 
-  this.merge(defaultValue(options, defaultValue.EMPTY_OBJECT));
+  this.merge(options ?? defaultValue.EMPTY_OBJECT);
 }
 
 Object.defineProperties(BoxGraphics.prototype, {
@@ -153,7 +153,7 @@ Object.defineProperties(BoxGraphics.prototype, {
    * @type {Property|undefined}
    */
   distanceDisplayCondition: createPropertyDescriptor(
-    "distanceDisplayCondition"
+    "distanceDisplayCondition",
   ),
 });
 
@@ -197,7 +197,7 @@ BoxGraphics.prototype.merge = function (source) {
   this.dimensions = defaultValue(this.dimensions, source.dimensions);
   this.heightReference = defaultValue(
     this.heightReference,
-    source.heightReference
+    source.heightReference,
   );
   this.fill = defaultValue(this.fill, source.fill);
   this.material = defaultValue(this.material, source.material);
@@ -207,7 +207,7 @@ BoxGraphics.prototype.merge = function (source) {
   this.shadows = defaultValue(this.shadows, source.shadows);
   this.distanceDisplayCondition = defaultValue(
     this.distanceDisplayCondition,
-    source.distanceDisplayCondition
+    source.distanceDisplayCondition,
   );
 };
 export default BoxGraphics;
diff --git a/packages/engine/Source/DataSources/ConstantPositionProperty.js b/packages/engine/Source/DataSources/ConstantPositionProperty.js
index b2a436383bf5..3069f8750fc3 100644
--- a/packages/engine/Source/DataSources/ConstantPositionProperty.js
+++ b/packages/engine/Source/DataSources/ConstantPositionProperty.js
@@ -1,5 +1,4 @@
 import Cartesian3 from "../Core/Cartesian3.js";
-import defaultValue from "../Core/defaultValue.js";
 import defined from "../Core/defined.js";
 import DeveloperError from "../Core/DeveloperError.js";
 import Event from "../Core/Event.js";
@@ -20,7 +19,7 @@ import PositionProperty from "./PositionProperty.js";
 function ConstantPositionProperty(value, referenceFrame) {
   this._definitionChanged = new Event();
   this._value = Cartesian3.clone(value);
-  this._referenceFrame = defaultValue(referenceFrame, ReferenceFrame.FIXED);
+  this._referenceFrame = referenceFrame ?? ReferenceFrame.FIXED;
 }
 
 Object.defineProperties(ConstantPositionProperty.prototype, {
@@ -114,7 +113,7 @@ ConstantPositionProperty.prototype.setValue = function (value, referenceFrame) {
 ConstantPositionProperty.prototype.getValueInReferenceFrame = function (
   time,
   referenceFrame,
-  result
+  result,
 ) {
   //>>includeStart('debug', pragmas.debug);
   if (!defined(time)) {
@@ -130,7 +129,7 @@ ConstantPositionProperty.prototype.getValueInReferenceFrame = function (
     this._value,
     this._referenceFrame,
     referenceFrame,
-    result
+    result,
   );
 };
 
diff --git a/packages/engine/Source/DataSources/KmlDataSource.js b/packages/engine/Source/DataSources/KmlDataSource.js
index d800e7d9a64b..4238e91993e5 100644
--- a/packages/engine/Source/DataSources/KmlDataSource.js
+++ b/packages/engine/Source/DataSources/KmlDataSource.js
@@ -319,7 +319,7 @@ function isZipFile(blob) {
   const reader = new FileReader();
   reader.addEventListener("load", function () {
     deferred.resolve(
-      new DataView(reader.result).getUint32(0, false) === 0x504b0304
+      new DataView(reader.result).getUint32(0, false) === 0x504b0304,
     );
   });
   reader.addEventListener("error", function () {
@@ -391,24 +391,22 @@ function removeDuplicateNamespaces(text) {
 }
 
 function loadXmlFromZip(entry, uriResolver) {
-  return Promise.resolve(entry.getData(new zip.TextWriter())).then(function (
-    text
-  ) {
-    text = insertNamespaces(text);
-    text = removeDuplicateNamespaces(text);
-    uriResolver.kml = parser.parseFromString(text, "application/xml");
-  });
+  return Promise.resolve(entry.getData(new zip.TextWriter())).then(
+    function (text) {
+      text = insertNamespaces(text);
+      text = removeDuplicateNamespaces(text);
+      uriResolver.kml = parser.parseFromString(text, "application/xml");
+    },
+  );
 }
 
 function loadDataUriFromZip(entry, uriResolver) {
-  const mimeType = defaultValue(
-    MimeTypes.detectFromFilename(entry.filename),
-    "application/octet-stream"
-  );
+  const mimeType =
+    MimeTypes.detectFromFilename(entry.filename) ?? "application/octet-stream";
   return Promise.resolve(entry.getData(new zip.Data64URIWriter(mimeType))).then(
     function (dataUri) {
       uriResolver[entry.filename] = dataUri;
-    }
+    },
   );
 }
 
@@ -720,7 +718,7 @@ function queryColorValue(node, tagName, namespace) {
   }
   return parseColorString(
     value,
-    queryStringValue(node, "colorMode", namespace) === "random"
+    queryStringValue(node, "colorMode", namespace) === "random",
   );
 }
 
@@ -743,7 +741,7 @@ function processTimeStamp(featureNode) {
     new TimeInterval({
       start: when,
       stop: Iso8601.MAXIMUM_VALUE,
-    })
+    }),
   );
   return result;
 }
@@ -776,7 +774,7 @@ function processTimeSpan(featureNode) {
       new TimeInterval({
         start: beginDate,
         stop: endDate,
-      })
+      }),
     );
   } else if (defined(beginDate)) {
     result = new TimeIntervalCollection();
@@ -784,7 +782,7 @@ function processTimeSpan(featureNode) {
       new TimeInterval({
         start: beginDate,
         stop: Iso8601.MAXIMUM_VALUE,
-      })
+      }),
     );
   } else if (defined(endDate)) {
     result = new TimeIntervalCollection();
@@ -792,7 +790,7 @@ function processTimeSpan(featureNode) {
       new TimeInterval({
         start: Iso8601.MINIMUM_VALUE,
         stop: endDate,
-      })
+      }),
     );
   }
 
@@ -807,13 +805,13 @@ function createDefaultBillboard() {
     BILLBOARD_NEAR_DISTANCE,
     BILLBOARD_NEAR_RATIO,
     BILLBOARD_FAR_DISTANCE,
-    BILLBOARD_FAR_RATIO
+    BILLBOARD_FAR_RATIO,
   );
   billboard.pixelOffsetScaleByDistance = new NearFarScalar(
     BILLBOARD_NEAR_DISTANCE,
     BILLBOARD_NEAR_RATIO,
     BILLBOARD_FAR_DISTANCE,
-    BILLBOARD_FAR_RATIO
+    BILLBOARD_FAR_RATIO,
   );
   return billboard;
 }
@@ -840,7 +838,7 @@ function getIconHref(
   dataSource,
   sourceResource,
   uriResolver,
-  canRefresh
+  canRefresh,
 ) {
   let href = queryStringValue(iconNode, "href", namespaces.kml);
   if (!defined(href) || href.length === 0) {
@@ -851,8 +849,8 @@ function getIconHref(
     const palette = href.charAt(21);
 
     // Get the icon number
-    let x = defaultValue(queryNumericValue(iconNode, "x", namespaces.gx), 0);
-    let y = defaultValue(queryNumericValue(iconNode, "y", namespaces.gx), 0);
+    let x = queryNumericValue(iconNode, "x", namespaces.gx) ?? 0;
+    let y = queryNumericValue(iconNode, "y", namespaces.gx) ?? 0;
     x = Math.min(x / 32, 7);
     y = 7 - Math.min(y / 32, 7);
     const iconNum = 8 * y + x;
@@ -866,28 +864,28 @@ function getIconHref(
     const refreshMode = queryStringValue(
       iconNode,
       "refreshMode",
-      namespaces.kml
+      namespaces.kml,
     );
     const viewRefreshMode = queryStringValue(
       iconNode,
       "viewRefreshMode",
-      namespaces.kml
+      namespaces.kml,
     );
     if (refreshMode === "onInterval" || refreshMode === "onExpire") {
       oneTimeWarning(
         `kml-refreshMode-${refreshMode}`,
-        `KML - Unsupported Icon refreshMode: ${refreshMode}`
+        `KML - Unsupported Icon refreshMode: ${refreshMode}`,
       );
     } else if (viewRefreshMode === "onStop" || viewRefreshMode === "onRegion") {
       oneTimeWarning(
         `kml-refreshMode-${viewRefreshMode}`,
-        `KML - Unsupported Icon viewRefreshMode: ${viewRefreshMode}`
+        `KML - Unsupported Icon viewRefreshMode: ${viewRefreshMode}`,
       );
     }
 
     const viewBoundScale = defaultValue(
       queryStringValue(iconNode, "viewBoundScale", namespaces.kml),
-      1.0
+      1.0,
     );
     const defaultViewFormat =
       viewRefreshMode === "onStop"
@@ -895,7 +893,7 @@ function getIconHref(
         : "";
     const viewFormat = defaultValue(
       queryStringValue(iconNode, "viewFormat", namespaces.kml),
-      defaultViewFormat
+      defaultViewFormat,
     );
     const httpQuery = queryStringValue(iconNode, "httpQuery", namespaces.kml);
     if (defined(viewFormat)) {
@@ -912,7 +910,7 @@ function getIconHref(
       dataSource.canvas,
       viewBoundScale,
       dataSource._lastCameraView.bbox,
-      ellipsoid
+      ellipsoid,
     );
 
     return hrefResource;
@@ -926,7 +924,7 @@ function processBillboardIcon(
   node,
   targetEntity,
   sourceResource,
-  uriResolver
+  uriResolver,
 ) {
   let scale = queryNumericValue(node, "scale", namespaces.kml);
   const heading = queryNumericValue(node, "heading", namespaces.kml);
@@ -938,7 +936,7 @@ function processBillboardIcon(
     dataSource,
     sourceResource,
     uriResolver,
-    false
+    false,
   );
 
   // If icon tags are present but blank, we do not want to show an icon
@@ -1019,7 +1017,7 @@ function applyStyle(
   styleNode,
   targetEntity,
   sourceResource,
-  uriResolver
+  uriResolver,
 ) {
   for (let i = 0, len = styleNode.childNodes.length; i < len; i++) {
     const node = styleNode.childNodes.item(i);
@@ -1029,7 +1027,7 @@ function applyStyle(
         node,
         targetEntity,
         sourceResource,
-        uriResolver
+        uriResolver,
       );
     } else if (node.localName === "LabelStyle") {
       let label = targetEntity.label;
@@ -1039,11 +1037,11 @@ function applyStyle(
       }
       label.scale = defaultValue(
         queryNumericValue(node, "scale", namespaces.kml),
-        label.scale
+        label.scale,
       );
       label.fillColor = defaultValue(
         queryColorValue(node, "color", namespaces.kml),
-        label.fillColor
+        label.fillColor,
       );
       label.text = targetEntity.name;
     } else if (node.localName === "LineStyle") {
@@ -1057,25 +1055,25 @@ function applyStyle(
       if (defined(queryColorValue(node, "outerColor", namespaces.gx))) {
         oneTimeWarning(
           "kml-gx:outerColor",
-          "KML - gx:outerColor is not supported in a LineStyle"
+          "KML - gx:outerColor is not supported in a LineStyle",
         );
       }
       if (defined(queryNumericValue(node, "outerWidth", namespaces.gx))) {
         oneTimeWarning(
           "kml-gx:outerWidth",
-          "KML - gx:outerWidth is not supported in a LineStyle"
+          "KML - gx:outerWidth is not supported in a LineStyle",
         );
       }
       if (defined(queryNumericValue(node, "physicalWidth", namespaces.gx))) {
         oneTimeWarning(
           "kml-gx:physicalWidth",
-          "KML - gx:physicalWidth is not supported in a LineStyle"
+          "KML - gx:physicalWidth is not supported in a LineStyle",
         );
       }
       if (defined(queryBooleanValue(node, "labelVisibility", namespaces.gx))) {
         oneTimeWarning(
           "kml-gx:labelVisibility",
-          "KML - gx:labelVisibility is not supported in a LineStyle"
+          "KML - gx:labelVisibility is not supported in a LineStyle",
         );
       }
     } else if (node.localName === "PolyStyle") {
@@ -1086,24 +1084,24 @@ function applyStyle(
       }
       polygon.material = defaultValue(
         queryColorValue(node, "color", namespaces.kml),
-        polygon.material
+        polygon.material,
       );
       polygon.fill = defaultValue(
         queryBooleanValue(node, "fill", namespaces.kml),
-        polygon.fill
+        polygon.fill,
       );
       polygon.outline = defaultValue(
         queryBooleanValue(node, "outline", namespaces.kml),
-        polygon.outline
+        polygon.outline,
       );
     } else if (node.localName === "BalloonStyle") {
       const bgColor = defaultValue(
         parseColorString(queryStringValue(node, "bgColor", namespaces.kml)),
-        Color.WHITE
+        Color.WHITE,
       );
       const textColor = defaultValue(
         parseColorString(queryStringValue(node, "textColor", namespaces.kml)),
-        Color.BLACK
+        Color.BLACK,
       );
       const text = queryStringValue(node, "text", namespaces.kml);
 
@@ -1119,12 +1117,12 @@ function applyStyle(
       const listItemType = queryStringValue(
         node,
         "listItemType",
-        namespaces.kml
+        namespaces.kml,
       );
       if (listItemType === "radioFolder" || listItemType === "checkOffOnly") {
         oneTimeWarning(
           `kml-listStyle-${listItemType}`,
-          `KML - Unsupported ListStyle with listItemType: ${listItemType}`
+          `KML - Unsupported ListStyle with listItemType: ${listItemType}`,
         );
       }
     }
@@ -1137,7 +1135,7 @@ function computeFinalStyle(
   placeMark,
   styleCollection,
   sourceResource,
-  uriResolver
+  uriResolver,
 ) {
   const result = new Entity();
   let styleEntity;
@@ -1161,7 +1159,7 @@ function computeFinalStyle(
         inlineStyleNode,
         result,
         sourceResource,
-        uriResolver
+        uriResolver,
       );
     } else {
       // StyleMap
@@ -1186,7 +1184,7 @@ function computeFinalStyle(
         } else {
           oneTimeWarning(
             `kml-styleMap-${key}`,
-            `KML - Unsupported StyleMap key: ${key}`
+            `KML - Unsupported StyleMap key: ${key}`,
           );
         }
       }
@@ -1236,7 +1234,7 @@ function processStyles(
   styleCollection,
   sourceResource,
   isExternal,
-  uriResolver
+  uriResolver,
 ) {
   let i;
   let id;
@@ -1264,7 +1262,7 @@ function processStyles(
             node,
             styleEntity,
             sourceResource,
-            uriResolver
+            uriResolver,
           );
         }
       }
@@ -1311,14 +1309,14 @@ function processStyles(
                   node,
                   styleEntity,
                   sourceResource,
-                  uriResolver
+                  uriResolver,
                 );
               }
             }
           } else {
             oneTimeWarning(
               `kml-styleMap-${key}`,
-              `KML - Unsupported StyleMap key: ${key}`
+              `KML - Unsupported StyleMap key: ${key}`,
             );
           }
         }
@@ -1344,7 +1342,7 @@ function processStyles(
         });
 
         promises.push(
-          processExternalStyles(dataSource, resource, styleCollection)
+          processExternalStyles(dataSource, resource, styleCollection),
         );
       }
     }
@@ -1386,7 +1384,7 @@ function heightReferenceFromAltitudeMode(altitudeMode, gxAltitudeMode) {
   if (gxAltitudeMode === "clampToSeaFloor") {
     oneTimeWarning(
       "kml-gx:altitudeMode-clampToSeaFloor",
-      "KML - <gx:altitudeMode>:clampToSeaFloor is currently not supported, using <kml:altitudeMode>:clampToGround."
+      "KML - <gx:altitudeMode>:clampToSeaFloor is currently not supported, using <kml:altitudeMode>:clampToGround.",
     );
     return HeightReference.CLAMP_TO_GROUND;
   }
@@ -1394,7 +1392,7 @@ function heightReferenceFromAltitudeMode(altitudeMode, gxAltitudeMode) {
   if (gxAltitudeMode === "relativeToSeaFloor") {
     oneTimeWarning(
       "kml-gx:altitudeMode-relativeToSeaFloor",
-      "KML - <gx:altitudeMode>:relativeToSeaFloor is currently not supported, using <kml:altitudeMode>:relativeToGround."
+      "KML - <gx:altitudeMode>:relativeToSeaFloor is currently not supported, using <kml:altitudeMode>:relativeToGround.",
     );
     return HeightReference.RELATIVE_TO_GROUND;
   }
@@ -1402,12 +1400,12 @@ function heightReferenceFromAltitudeMode(altitudeMode, gxAltitudeMode) {
   if (defined(altitudeMode)) {
     oneTimeWarning(
       "kml-altitudeMode-unknown",
-      `KML - Unknown <kml:altitudeMode>:${altitudeMode}, using <kml:altitudeMode>:CLAMP_TO_GROUND.`
+      `KML - Unknown <kml:altitudeMode>:${altitudeMode}, using <kml:altitudeMode>:CLAMP_TO_GROUND.`,
     );
   } else {
     oneTimeWarning(
       "kml-gx:altitudeMode-unknown",
-      `KML - Unknown <gx:altitudeMode>:${gxAltitudeMode}, using <kml:altitudeMode>:CLAMP_TO_GROUND.`
+      `KML - Unknown <gx:altitudeMode>:${gxAltitudeMode}, using <kml:altitudeMode>:CLAMP_TO_GROUND.`,
     );
   }
 
@@ -1418,7 +1416,7 @@ function heightReferenceFromAltitudeMode(altitudeMode, gxAltitudeMode) {
 function createPositionPropertyFromAltitudeMode(
   property,
   altitudeMode,
-  gxAltitudeMode
+  gxAltitudeMode,
 ) {
   if (
     gxAltitudeMode === "relativeToSeaFloor" ||
@@ -1437,8 +1435,8 @@ function createPositionPropertyFromAltitudeMode(
       "kml-altitudeMode-unknown",
       `KML - Unknown altitudeMode: ${defaultValue(
         altitudeMode,
-        gxAltitudeMode
-      )}`
+        gxAltitudeMode,
+      )}`,
     );
   }
 
@@ -1450,7 +1448,7 @@ function createPositionPropertyArrayFromAltitudeMode(
   properties,
   altitudeMode,
   gxAltitudeMode,
-  ellipsoid
+  ellipsoid,
 ) {
   if (!defined(properties)) {
     return undefined;
@@ -1473,8 +1471,8 @@ function createPositionPropertyArrayFromAltitudeMode(
       "kml-altitudeMode-unknown",
       `KML - Unknown altitudeMode: ${defaultValue(
         altitudeMode,
-        gxAltitudeMode
-      )}`
+        gxAltitudeMode,
+      )}`,
     );
   }
 
@@ -1491,7 +1489,7 @@ function processPositionGraphics(
   dataSource,
   entity,
   styleEntity,
-  heightReference
+  heightReference,
 ) {
   let label = entity.label;
   if (!defined(label)) {
@@ -1558,22 +1556,22 @@ function processPoint(
   entityCollection,
   geometryNode,
   entity,
-  styleEntity
+  styleEntity,
 ) {
   const coordinatesString = queryStringValue(
     geometryNode,
     "coordinates",
-    namespaces.kml
+    namespaces.kml,
   );
   const altitudeMode = queryStringValue(
     geometryNode,
     "altitudeMode",
-    namespaces.kml
+    namespaces.kml,
   );
   const gxAltitudeMode = queryStringValue(
     geometryNode,
     "altitudeMode",
-    namespaces.gx
+    namespaces.gx,
   );
   const extrude = queryBooleanValue(geometryNode, "extrude", namespaces.kml);
   const ellipsoid = dataSource._ellipsoid;
@@ -1584,7 +1582,7 @@ function processPoint(
     dataSource,
     entity,
     styleEntity,
-    heightReferenceFromAltitudeMode(altitudeMode, gxAltitudeMode)
+    heightReferenceFromAltitudeMode(altitudeMode, gxAltitudeMode),
   );
 
   if (extrude && isExtrudable(altitudeMode, gxAltitudeMode)) {
@@ -1599,28 +1597,28 @@ function processLineStringOrLinearRing(
   entityCollection,
   geometryNode,
   entity,
-  styleEntity
+  styleEntity,
 ) {
   const coordinatesNode = queryFirstNode(
     geometryNode,
     "coordinates",
-    namespaces.kml
+    namespaces.kml,
   );
   const altitudeMode = queryStringValue(
     geometryNode,
     "altitudeMode",
-    namespaces.kml
+    namespaces.kml,
   );
   const gxAltitudeMode = queryStringValue(
     geometryNode,
     "altitudeMode",
-    namespaces.gx
+    namespaces.gx,
   );
   const extrude = queryBooleanValue(geometryNode, "extrude", namespaces.kml);
   const tessellate = queryBooleanValue(
     geometryNode,
     "tessellate",
-    namespaces.kml
+    namespaces.kml,
   );
   const canExtrude = isExtrudable(altitudeMode, gxAltitudeMode);
   const zIndex = queryNumericValue(geometryNode, "drawOrder", namespaces.gx);
@@ -1670,13 +1668,13 @@ function processLineStringOrLinearRing(
     if (defined(zIndex)) {
       oneTimeWarning(
         "kml-gx:drawOrder",
-        "KML - gx:drawOrder is not supported in LineStrings when clampToGround is false"
+        "KML - gx:drawOrder is not supported in LineStrings when clampToGround is false",
       );
     }
     if (dataSource._clampToGround && !tessellate) {
       oneTimeWarning(
         "kml-line-tesselate",
-        "Ignoring clampToGround for KML lines without the tessellate flag."
+        "Ignoring clampToGround for KML lines without the tessellate flag.",
       );
     }
 
@@ -1686,7 +1684,7 @@ function processLineStringOrLinearRing(
       coordinates,
       altitudeMode,
       gxAltitudeMode,
-      ellipsoid
+      ellipsoid,
     );
     if (!tessellate || canExtrude) {
       polyline.arcType = ArcType.NONE;
@@ -1701,22 +1699,22 @@ function processPolygon(
   entityCollection,
   geometryNode,
   entity,
-  styleEntity
+  styleEntity,
 ) {
   const outerBoundaryIsNode = queryFirstNode(
     geometryNode,
     "outerBoundaryIs",
-    namespaces.kml
+    namespaces.kml,
   );
   let linearRingNode = queryFirstNode(
     outerBoundaryIsNode,
     "LinearRing",
-    namespaces.kml
+    namespaces.kml,
   );
   let coordinatesNode = queryFirstNode(
     linearRingNode,
     "coordinates",
-    namespaces.kml
+    namespaces.kml,
   );
   const ellipsoid = dataSource._ellipsoid;
   let coordinates = readCoordinates(coordinatesNode, ellipsoid);
@@ -1724,12 +1722,12 @@ function processPolygon(
   const altitudeMode = queryStringValue(
     geometryNode,
     "altitudeMode",
-    namespaces.kml
+    namespaces.kml,
   );
   const gxAltitudeMode = queryStringValue(
     geometryNode,
     "altitudeMode",
-    namespaces.gx
+    namespaces.gx,
   );
   const canExtrude = isExtrudable(altitudeMode, gxAltitudeMode);
 
@@ -1758,19 +1756,19 @@ function processPolygon(
     const innerBoundaryIsNodes = queryChildNodes(
       geometryNode,
       "innerBoundaryIs",
-      namespaces.kml
+      namespaces.kml,
     );
     for (let j = 0; j < innerBoundaryIsNodes.length; j++) {
       linearRingNode = queryChildNodes(
         innerBoundaryIsNodes[j],
         "LinearRing",
-        namespaces.kml
+        namespaces.kml,
       );
       for (let k = 0; k < linearRingNode.length; k++) {
         coordinatesNode = queryFirstNode(
           linearRingNode[k],
           "coordinates",
-          namespaces.kml
+          namespaces.kml,
         );
         coordinates = readCoordinates(coordinatesNode, ellipsoid);
         if (defined(coordinates)) {
@@ -1789,17 +1787,17 @@ function processTrack(
   entityCollection,
   geometryNode,
   entity,
-  styleEntity
+  styleEntity,
 ) {
   const altitudeMode = queryStringValue(
     geometryNode,
     "altitudeMode",
-    namespaces.kml
+    namespaces.kml,
   );
   const gxAltitudeMode = queryStringValue(
     geometryNode,
     "altitudeMode",
-    namespaces.gx
+    namespaces.gx,
   );
   const coordNodes = queryChildNodes(geometryNode, "coord", namespaces.gx);
   const angleNodes = queryChildNodes(geometryNode, "angles", namespaces.gx);
@@ -1811,7 +1809,7 @@ function processTrack(
   if (angleNodes.length > 0) {
     oneTimeWarning(
       "kml-gx:angles",
-      "KML - gx:angles are not supported in gx:Tracks"
+      "KML - gx:angles are not supported in gx:Tracks",
     );
   }
 
@@ -1830,7 +1828,7 @@ function processTrack(
     dataSource,
     entity,
     styleEntity,
-    heightReferenceFromAltitudeMode(altitudeMode, gxAltitudeMode)
+    heightReferenceFromAltitudeMode(altitudeMode, gxAltitudeMode),
   );
   processPathGraphics(entity, styleEntity);
 
@@ -1841,7 +1839,7 @@ function processTrack(
       new TimeInterval({
         start: times[0],
         stop: times[times.length - 1],
-      })
+      }),
     );
   }
 
@@ -1861,7 +1859,7 @@ function addToMultiTrack(
   extrude,
   altitudeMode,
   gxAltitudeMode,
-  includeEndPoints
+  includeEndPoints,
 ) {
   const start = times[0];
   const stop = times[times.length - 1];
@@ -1878,9 +1876,9 @@ function addToMultiTrack(
       data: createPositionPropertyFromAltitudeMode(
         data,
         altitudeMode,
-        gxAltitudeMode
+        gxAltitudeMode,
       ),
-    })
+    }),
   );
   availability.addInterval(
     new TimeInterval({
@@ -1888,7 +1886,7 @@ function addToMultiTrack(
       stop: stop,
       isStartIncluded: includeEndPoints,
       isStopIncluded: includeEndPoints,
-    })
+    }),
   );
   dropShowProperty.intervals.addInterval(
     new TimeInterval({
@@ -1897,7 +1895,7 @@ function addToMultiTrack(
       isStartIncluded: includeEndPoints,
       isStopIncluded: includeEndPoints,
       data: extrude,
-    })
+    }),
   );
 }
 
@@ -1906,7 +1904,7 @@ function processMultiTrack(
   entityCollection,
   geometryNode,
   entity,
-  styleEntity
+  styleEntity,
 ) {
   // Multitrack options do not work in GE as detailed in the spec,
   // rather than altitudeMode being at the MultiTrack level,
@@ -1915,7 +1913,7 @@ function processMultiTrack(
   const interpolate = queryBooleanValue(
     geometryNode,
     "interpolate",
-    namespaces.gx
+    namespaces.gx,
   );
   const trackNodes = queryChildNodes(geometryNode, "Track", namespaces.gx);
 
@@ -1934,12 +1932,12 @@ function processMultiTrack(
     const altitudeMode = queryStringValue(
       trackNode,
       "altitudeMode",
-      namespaces.kml
+      namespaces.kml,
     );
     const gxAltitudeMode = queryStringValue(
       trackNode,
       "altitudeMode",
-      namespaces.gx
+      namespaces.gx,
     );
     const canExtrude = isExtrudable(altitudeMode, gxAltitudeMode);
     const extrude = queryBooleanValue(trackNode, "extrude", namespaces.kml);
@@ -1969,7 +1967,7 @@ function processMultiTrack(
           false,
           "absolute",
           undefined,
-          false
+          false,
         );
       }
       lastStop = times[length - 1];
@@ -1985,7 +1983,7 @@ function processMultiTrack(
       canExtrude && extrude,
       altitudeMode,
       gxAltitudeMode,
-      true
+      true,
     );
     needDropLine = needDropLine || (canExtrude && extrude);
   }
@@ -2019,7 +2017,7 @@ function processMultiGeometry(
   geometryNode,
   entity,
   styleEntity,
-  context
+  context,
 ) {
   const childNodes = geometryNode.childNodes;
   let hasGeometry = false;
@@ -2039,7 +2037,7 @@ function processMultiGeometry(
           entityCollection,
           childNode,
           childEntity,
-          styleEntity
+          styleEntity,
         )
       ) {
         hasGeometry = true;
@@ -2055,11 +2053,11 @@ function processUnsupportedGeometry(
   entityCollection,
   geometryNode,
   entity,
-  styleEntity
+  styleEntity,
 ) {
   oneTimeWarning(
     "kml-unsupportedGeometry",
-    `KML - Unsupported geometry: ${geometryNode.localName}`
+    `KML - Unsupported geometry: ${geometryNode.localName}`,
   );
   return false;
 }
@@ -2077,7 +2075,7 @@ function processExtendedData(node, entity) {
   if (defined(queryStringAttribute(extendedDataNode, "xmlns:prefix"))) {
     oneTimeWarning(
       "kml-extendedData",
-      "KML - ExtendedData with xmlns:prefix is unsupported"
+      "KML - ExtendedData with xmlns:prefix is unsupported",
     );
   }
 
@@ -2093,7 +2091,7 @@ function processExtendedData(node, entity) {
           displayName: queryStringValue(
             dataNode,
             "displayName",
-            namespaces.kml
+            namespaces.kml,
           ),
           value: queryStringValue(dataNode, "value", namespaces.kml),
         };
@@ -2113,7 +2111,7 @@ function processDescription(
   entity,
   styleEntity,
   uriResolver,
-  sourceResource
+  sourceResource,
 ) {
   let i;
   let key;
@@ -2125,7 +2123,7 @@ function processDescription(
 
   const balloonStyle = defaultValue(
     entity.balloonStyle,
-    styleEntity.balloonStyle
+    styleEntity.balloonStyle,
   );
 
   let background = Color.WHITE;
@@ -2181,7 +2179,7 @@ function processDescription(
         value = extendedData[key];
         text += `<tr><th>${defaultValue(
           value.displayName,
-          key
+          key,
         )}</th><td>${defaultValue(value.value, "")}</td></tr>`;
       }
       text += "</tbody></table>";
@@ -2258,7 +2256,7 @@ function processFeature(dataSource, featureNode, processingData) {
   const entity = createEntity(
     featureNode,
     entityCollection,
-    processingData.context
+    processingData.context,
   );
   const kmlData = entity.kml;
   const styleEntity = computeFinalStyle(
@@ -2266,7 +2264,7 @@ function processFeature(dataSource, featureNode, processingData) {
     featureNode,
     processingData.styleCollection,
     sourceResource,
-    uriResolver
+    uriResolver,
   );
 
   const name = queryStringValue(featureNode, "name", namespaces.kml);
@@ -2292,7 +2290,7 @@ function processFeature(dataSource, featureNode, processingData) {
   const visibility = queryBooleanValue(
     featureNode,
     "visibility",
-    namespaces.kml
+    namespaces.kml,
   );
   entity.show = ancestryIsVisible(parent) && defaultValue(visibility, true);
   //const open = queryBooleanValue(featureNode, 'open', namespaces.kml);
@@ -2316,7 +2314,7 @@ function processFeature(dataSource, featureNode, processingData) {
   kmlData.phoneNumber = queryStringValue(
     featureNode,
     "phoneNumber",
-    namespaces.kml
+    namespaces.kml,
   );
   kmlData.snippet = queryStringValue(featureNode, "Snippet", namespaces.kml);
 
@@ -2326,7 +2324,7 @@ function processFeature(dataSource, featureNode, processingData) {
     entity,
     styleEntity,
     uriResolver,
-    sourceResource
+    sourceResource,
   );
 
   const ellipsoid = dataSource._ellipsoid;
@@ -2359,7 +2357,7 @@ function processPlacemark(
   dataSource,
   placemark,
   processingData,
-  deferredLoading
+  deferredLoading,
 ) {
   const r = processFeature(dataSource, placemark, processingData);
   const entity = r.entity;
@@ -2379,7 +2377,7 @@ function processPlacemark(
         childNode,
         entity,
         styleEntity,
-        entity.id
+        entity.id,
       );
       hasGeometry = true;
     }
@@ -2417,7 +2415,7 @@ function processTour(dataSource, node, processingData, deferredLoading) {
           playlistNodeProcessor(tour, entryNode, ellipsoid);
         } else {
           console.log(
-            `Unknown KML Tour playlist entry type ${entryNode.localName}`
+            `Unknown KML Tour playlist entry type ${entryNode.localName}`,
           );
         }
       }
@@ -2456,28 +2454,28 @@ function processCamera(featureNode, entity, ellipsoid) {
   if (defined(camera)) {
     const lon = defaultValue(
       queryNumericValue(camera, "longitude", namespaces.kml),
-      0.0
+      0.0,
     );
     const lat = defaultValue(
       queryNumericValue(camera, "latitude", namespaces.kml),
-      0.0
+      0.0,
     );
     const altitude = defaultValue(
       queryNumericValue(camera, "altitude", namespaces.kml),
-      0.0
+      0.0,
     );
 
     const heading = defaultValue(
       queryNumericValue(camera, "heading", namespaces.kml),
-      0.0
+      0.0,
     );
     const tilt = defaultValue(
       queryNumericValue(camera, "tilt", namespaces.kml),
-      0.0
+      0.0,
     );
     const roll = defaultValue(
       queryNumericValue(camera, "roll", namespaces.kml),
-      0.0
+      0.0,
     );
 
     const position = Cartesian3.fromDegrees(lon, lat, altitude, ellipsoid);
@@ -2492,21 +2490,21 @@ function processLookAt(featureNode, entity, ellipsoid) {
   if (defined(lookAt)) {
     const lon = defaultValue(
       queryNumericValue(lookAt, "longitude", namespaces.kml),
-      0.0
+      0.0,
     );
     const lat = defaultValue(
       queryNumericValue(lookAt, "latitude", namespaces.kml),
-      0.0
+      0.0,
     );
     const altitude = defaultValue(
       queryNumericValue(lookAt, "altitude", namespaces.kml),
-      0.0
+      0.0,
     );
     let heading = queryNumericValue(lookAt, "heading", namespaces.kml);
     let tilt = queryNumericValue(lookAt, "tilt", namespaces.kml);
     const range = defaultValue(
       queryNumericValue(lookAt, "range", namespaces.kml),
-      0.0
+      0.0,
     );
 
     tilt = CesiumMath.toRadians(defaultValue(tilt, 0.0));
@@ -2515,7 +2513,7 @@ function processLookAt(featureNode, entity, ellipsoid) {
     const hpr = new HeadingPitchRange(
       heading,
       tilt - CesiumMath.PI_OVER_TWO,
-      range
+      range,
     );
     const viewPoint = Cartesian3.fromDegrees(lon, lat, altitude, ellipsoid);
 
@@ -2527,7 +2525,7 @@ function processScreenOverlay(
   dataSource,
   screenOverlayNode,
   processingData,
-  deferredLoading
+  deferredLoading,
 ) {
   const screenOverlay = processingData.screenOverlayContainer;
   if (!defined(screenOverlay)) {
@@ -2543,7 +2541,7 @@ function processScreenOverlay(
     dataSource,
     sourceResource,
     uriResolver,
-    false
+    false,
   );
 
   if (!defined(icon)) {
@@ -2560,12 +2558,12 @@ function processScreenOverlay(
     const screenXY = queryFirstNode(
       screenOverlayNode,
       "screenXY",
-      namespaces.kml
+      namespaces.kml,
     );
     const overlayXY = queryFirstNode(
       screenOverlayNode,
       "overlayXY",
-      namespaces.kml
+      namespaces.kml,
     );
     const size = queryFirstNode(screenOverlayNode, "size", namespaces.kml);
 
@@ -2642,7 +2640,7 @@ function processScreenOverlay(
       if (defined(x)) {
         if (xUnit === "fraction") {
           xStyle = `${"left: " + "calc("}${Math.floor(
-            x * 100
+            x * 100,
           )}% - ${xOrigin}px)`;
         } else if (xUnit === "pixels") {
           xStyle = `left: ${x - xOrigin}px`;
@@ -2656,7 +2654,7 @@ function processScreenOverlay(
       if (defined(y)) {
         if (yUnit === "fraction") {
           yStyle = `${"bottom: " + "calc("}${Math.floor(
-            y * 100
+            y * 100,
           )}% - ${yOrigin}px)`;
         } else if (yUnit === "pixels") {
           yStyle = `bottom: ${y - yOrigin}px`;
@@ -2678,7 +2676,7 @@ function processGroundOverlay(
   dataSource,
   groundOverlay,
   processingData,
-  deferredLoading
+  deferredLoading,
 ) {
   const r = processFeature(dataSource, groundOverlay, processingData);
   const entity = r.entity;
@@ -2689,7 +2687,7 @@ function processGroundOverlay(
   const ellipsoid = dataSource._ellipsoid;
   const positions = readCoordinates(
     queryFirstNode(groundOverlay, "LatLonQuad", namespaces.gx),
-    ellipsoid
+    ellipsoid,
   );
   const zIndex = queryNumericValue(groundOverlay, "drawOrder", namespaces.kml);
   if (defined(positions)) {
@@ -2706,7 +2704,7 @@ function processGroundOverlay(
     const latLonBox = queryFirstNode(
       groundOverlay,
       "LatLonBox",
-      namespaces.kml
+      namespaces.kml,
     );
     if (defined(latLonBox)) {
       let west = queryNumericValue(latLonBox, "west", namespaces.kml);
@@ -2743,13 +2741,13 @@ function processGroundOverlay(
     dataSource,
     processingData.sourceResource,
     processingData.uriResolver,
-    true
+    true,
   );
   if (defined(href)) {
     if (isLatLonQuad) {
       oneTimeWarning(
         "kml-gx:LatLonQuad",
-        "KML - gx:LatLonQuad Icon does not support texture projection."
+        "KML - gx:LatLonQuad Icon does not support texture projection.",
       );
     }
     const x = queryNumericValue(iconNode, "x", namespaces.gx);
@@ -2760,7 +2758,7 @@ function processGroundOverlay(
     if (defined(x) || defined(y) || defined(w) || defined(h)) {
       oneTimeWarning(
         "kml-groundOverlay-xywh",
-        "KML - gx:x, gx:y, gx:w, gx:h aren't supported for GroundOverlays"
+        "KML - gx:x, gx:y, gx:w, gx:h aren't supported for GroundOverlays",
       );
     }
 
@@ -2768,7 +2766,7 @@ function processGroundOverlay(
     geometry.material.color = queryColorValue(
       groundOverlay,
       "color",
-      namespaces.kml
+      namespaces.kml,
     );
     geometry.material.transparent = true;
   } else {
@@ -2778,7 +2776,7 @@ function processGroundOverlay(
   let altitudeMode = queryStringValue(
     groundOverlay,
     "altitudeMode",
-    namespaces.kml
+    namespaces.kml,
   );
 
   if (defined(altitudeMode)) {
@@ -2787,13 +2785,13 @@ function processGroundOverlay(
       geometry.height = queryNumericValue(
         groundOverlay,
         "altitude",
-        namespaces.kml
+        namespaces.kml,
       );
       geometry.zIndex = undefined;
     } else if (altitudeMode !== "clampToGround") {
       oneTimeWarning(
         "kml-altitudeMode-unknown",
-        `KML - Unknown altitudeMode: ${altitudeMode}`
+        `KML - Unknown altitudeMode: ${altitudeMode}`,
       );
     }
     // else just use the default of 0 until we support 'clampToGround'
@@ -2801,28 +2799,28 @@ function processGroundOverlay(
     altitudeMode = queryStringValue(
       groundOverlay,
       "altitudeMode",
-      namespaces.gx
+      namespaces.gx,
     );
     if (altitudeMode === "relativeToSeaFloor") {
       oneTimeWarning(
         "kml-altitudeMode-relativeToSeaFloor",
-        "KML - altitudeMode relativeToSeaFloor is currently not supported, treating as absolute."
+        "KML - altitudeMode relativeToSeaFloor is currently not supported, treating as absolute.",
       );
       geometry.height = queryNumericValue(
         groundOverlay,
         "altitude",
-        namespaces.kml
+        namespaces.kml,
       );
       geometry.zIndex = undefined;
     } else if (altitudeMode === "clampToSeaFloor") {
       oneTimeWarning(
         "kml-altitudeMode-clampToSeaFloor",
-        "KML - altitudeMode clampToSeaFloor is currently not supported, treating as clampToGround."
+        "KML - altitudeMode clampToSeaFloor is currently not supported, treating as clampToGround.",
       );
     } else if (defined(altitudeMode)) {
       oneTimeWarning(
         "kml-altitudeMode-unknown",
-        `KML - Unknown altitudeMode: ${altitudeMode}`
+        `KML - Unknown altitudeMode: ${altitudeMode}`,
       );
     }
   }
@@ -2832,7 +2830,7 @@ function processUnsupportedFeature(
   dataSource,
   node,
   processingData,
-  deferredLoading
+  deferredLoading,
 ) {
   dataSource._unsupportedNode.raiseEvent(
     dataSource,
@@ -2841,11 +2839,11 @@ function processUnsupportedFeature(
     processingData.entityCollection,
     processingData.styleCollection,
     processingData.sourceResource,
-    processingData.uriResolver
+    processingData.uriResolver,
   );
   oneTimeWarning(
     `kml-unsupportedFeature-${node.nodeName}`,
-    `KML - Unsupported feature: ${node.nodeName}`
+    `KML - Unsupported feature: ${node.nodeName}`,
   );
 }
 
@@ -2879,7 +2877,7 @@ function processNetworkLinkQueryString(
   canvas,
   viewBoundScale,
   bbox,
-  ellipsoid
+  ellipsoid,
 ) {
   function fixLatitude(value) {
     if (value < -CesiumMath.PI_OVER_TWO) {
@@ -2916,14 +2914,14 @@ function processNetworkLinkQueryString(
       centerCartesian = camera.pickEllipsoid(
         scratchCartesian2,
         ellipsoid,
-        scratchCartesian3
+        scratchCartesian3,
       );
     }
 
     if (defined(centerCartesian)) {
       centerCartographic = ellipsoid.cartesianToCartographic(
         centerCartesian,
-        scratchCartographic
+        scratchCartographic,
       );
     } else {
       centerCartographic = Rectangle.center(bbox, scratchCartographic);
@@ -2940,25 +2938,25 @@ function processNetworkLinkQueryString(
         fixLongitude(centerCartographic.longitude - newHalfWidth),
         fixLatitude(centerCartographic.latitude - newHalfHeight),
         fixLongitude(centerCartographic.longitude + newHalfWidth),
-        fixLatitude(centerCartographic.latitude + newHalfHeight)
+        fixLatitude(centerCartographic.latitude + newHalfHeight),
       );
     }
 
     queryString = queryString.replace(
       "[bboxWest]",
-      CesiumMath.toDegrees(bbox.west).toString()
+      CesiumMath.toDegrees(bbox.west).toString(),
     );
     queryString = queryString.replace(
       "[bboxSouth]",
-      CesiumMath.toDegrees(bbox.south).toString()
+      CesiumMath.toDegrees(bbox.south).toString(),
     );
     queryString = queryString.replace(
       "[bboxEast]",
-      CesiumMath.toDegrees(bbox.east).toString()
+      CesiumMath.toDegrees(bbox.east).toString(),
     );
     queryString = queryString.replace(
       "[bboxNorth]",
-      CesiumMath.toDegrees(bbox.north).toString()
+      CesiumMath.toDegrees(bbox.north).toString(),
     );
 
     const lon = CesiumMath.toDegrees(centerCartographic.longitude).toString();
@@ -2967,35 +2965,35 @@ function processNetworkLinkQueryString(
     queryString = queryString.replace("[lookatLat]", lat);
     queryString = queryString.replace(
       "[lookatTilt]",
-      CesiumMath.toDegrees(camera.pitch).toString()
+      CesiumMath.toDegrees(camera.pitch).toString(),
     );
     queryString = queryString.replace(
       "[lookatHeading]",
-      CesiumMath.toDegrees(camera.heading).toString()
+      CesiumMath.toDegrees(camera.heading).toString(),
     );
     queryString = queryString.replace(
       "[lookatRange]",
-      Cartesian3.distance(camera.positionWC, centerCartesian)
+      Cartesian3.distance(camera.positionWC, centerCartesian),
     );
     queryString = queryString.replace("[lookatTerrainLon]", lon);
     queryString = queryString.replace("[lookatTerrainLat]", lat);
     queryString = queryString.replace(
       "[lookatTerrainAlt]",
-      centerCartographic.height.toString()
+      centerCartographic.height.toString(),
     );
 
     ellipsoid.cartesianToCartographic(camera.positionWC, scratchCartographic);
     queryString = queryString.replace(
       "[cameraLon]",
-      CesiumMath.toDegrees(scratchCartographic.longitude).toString()
+      CesiumMath.toDegrees(scratchCartographic.longitude).toString(),
     );
     queryString = queryString.replace(
       "[cameraLat]",
-      CesiumMath.toDegrees(scratchCartographic.latitude).toString()
+      CesiumMath.toDegrees(scratchCartographic.latitude).toString(),
     );
     queryString = queryString.replace(
       "[cameraAlt]",
-      CesiumMath.toDegrees(scratchCartographic.height).toString()
+      CesiumMath.toDegrees(scratchCartographic.height).toString(),
     );
 
     const frustum = camera.frustum;
@@ -3087,18 +3085,18 @@ function processNetworkLink(dataSource, node, processingData, deferredLoading) {
         viewRefreshMode = queryStringValue(
           link,
           "viewRefreshMode",
-          namespaces.kml
+          namespaces.kml,
         );
         if (viewRefreshMode === "onRegion") {
           oneTimeWarning(
             "kml-refrehMode-onRegion",
-            "KML - Unsupported viewRefreshMode: onRegion"
+            "KML - Unsupported viewRefreshMode: onRegion",
           );
           return;
         }
         viewBoundScale = defaultValue(
           queryStringValue(link, "viewBoundScale", namespaces.kml),
-          1.0
+          1.0,
         );
         const defaultViewFormat =
           viewRefreshMode === "onStop"
@@ -3106,7 +3104,7 @@ function processNetworkLink(dataSource, node, processingData, deferredLoading) {
             : "";
         const viewFormat = defaultValue(
           queryStringValue(link, "viewFormat", namespaces.kml),
-          defaultViewFormat
+          defaultViewFormat,
         );
         const httpQuery = queryStringValue(link, "httpQuery", namespaces.kml);
         if (defined(viewFormat)) {
@@ -3123,7 +3121,7 @@ function processNetworkLink(dataSource, node, processingData, deferredLoading) {
           dataSource.canvas,
           viewBoundScale,
           dataSource._lastCameraView.bbox,
-          ellipsoid
+          ellipsoid,
         );
       }
 
@@ -3154,11 +3152,11 @@ function processNetworkLink(dataSource, node, processingData, deferredLoading) {
           const refreshMode = queryStringValue(
             link,
             "refreshMode",
-            namespaces.kml
+            namespaces.kml,
           );
           let refreshInterval = defaultValue(
             queryNumericValue(link, "refreshInterval", namespaces.kml),
-            0
+            0,
           );
           if (
             (refreshMode === "onInterval" && refreshInterval > 0) ||
@@ -3168,7 +3166,7 @@ function processNetworkLink(dataSource, node, processingData, deferredLoading) {
             const networkLinkControl = queryFirstNode(
               rootElement,
               "NetworkLinkControl",
-              namespaces.kml
+              namespaces.kml,
             );
             const hasNetworkLinkControl = defined(networkLinkControl);
 
@@ -3192,18 +3190,18 @@ function processNetworkLink(dataSource, node, processingData, deferredLoading) {
                   queryStringValue(
                     networkLinkControl,
                     "cookie",
-                    namespaces.kml
+                    namespaces.kml,
                   ),
-                  ""
-                )
+                  "",
+                ),
               );
               minRefreshPeriod = defaultValue(
                 queryNumericValue(
                   networkLinkControl,
                   "minRefreshPeriod",
-                  namespaces.kml
+                  namespaces.kml,
                 ),
-                0
+                0,
               );
             }
 
@@ -3219,7 +3217,7 @@ function processNetworkLink(dataSource, node, processingData, deferredLoading) {
                 expires = queryStringValue(
                   networkLinkControl,
                   "expires",
-                  namespaces.kml
+                  namespaces.kml,
                 );
               }
               if (defined(expires)) {
@@ -3234,13 +3232,13 @@ function processNetworkLink(dataSource, node, processingData, deferredLoading) {
                 } catch (e) {
                   oneTimeWarning(
                     "kml-refreshMode-onInterval-onExpire",
-                    "KML - NetworkLinkControl expires is not a valid date"
+                    "KML - NetworkLinkControl expires is not a valid date",
                   );
                 }
               } else {
                 oneTimeWarning(
                   "kml-refreshMode-onExpire",
-                  "KML - refreshMode of onExpire requires the NetworkLinkControl to have an expires element"
+                  "KML - refreshMode of onExpire requires the NetworkLinkControl to have an expires element",
                 );
               }
             } else if (defined(dataSource.camera)) {
@@ -3248,12 +3246,12 @@ function processNetworkLink(dataSource, node, processingData, deferredLoading) {
               networkLinkInfo.refreshMode = RefreshMode.STOP;
               networkLinkInfo.time = defaultValue(
                 queryNumericValue(link, "viewRefreshTime", namespaces.kml),
-                0
+                0,
               );
             } else {
               oneTimeWarning(
                 "kml-refrehMode-onStop-noCamera",
-                "A NetworkLink with viewRefreshMode=onStop requires the `camera` property to be defined."
+                "A NetworkLink with viewRefreshMode=onStop requires the `camera` property to be defined.",
               );
             }
 
@@ -3282,7 +3280,7 @@ function processFeatureNode(dataSource, node, processingData, deferredLoading) {
     dataSource,
     node,
     processingData,
-    deferredLoading
+    deferredLoading,
   );
 }
 
@@ -3293,7 +3291,7 @@ function loadKml(
   sourceResource,
   uriResolver,
   screenOverlayContainer,
-  context
+  context,
 ) {
   entityCollection.removeAll();
 
@@ -3321,8 +3319,8 @@ function loadKml(
       styleCollection,
       sourceResource,
       false,
-      uriResolver
-    )
+      uriResolver,
+    ),
   ).then(function () {
     let element = kml.documentElement;
     if (element.localName === "kml") {
@@ -3361,7 +3359,7 @@ function loadKmz(
   entityCollection,
   blob,
   sourceResource,
-  screenOverlayContainer
+  screenOverlayContainer,
 ) {
   const zWorkerUrl = buildModuleUrl("ThirdParty/Workers/z-worker-pako.js");
   zip.configure({
@@ -3415,7 +3413,7 @@ function loadKmz(
         uriResolver.kml,
         sourceResource,
         uriResolver,
-        screenOverlayContainer
+        screenOverlayContainer,
       );
     });
   });
@@ -3463,7 +3461,7 @@ function load(dataSource, entityCollection, data, options) {
               entityCollection,
               dataToLoad,
               sourceUri,
-              screenOverlayContainer
+              screenOverlayContainer,
             );
           }
           return readBlobAsText(dataToLoad).then(function (text) {
@@ -3512,7 +3510,7 @@ function load(dataSource, entityCollection, data, options) {
               sourceUri,
               uriResolver,
               screenOverlayContainer,
-              context
+              context,
             );
           });
         });
@@ -3524,7 +3522,7 @@ function load(dataSource, entityCollection, data, options) {
         sourceUri,
         uriResolver,
         screenOverlayContainer,
-        context
+        context,
       );
     })
     .catch(function (error) {
@@ -3892,8 +3890,8 @@ KmlDataSource.prototype.load = function (data, options) {
         clock.multiplier = Math.round(
           Math.min(
             Math.max(JulianDate.secondsDifference(stop, start) / 60, 1),
-            3.15569e7
-          )
+            3.15569e7,
+          ),
         );
       }
 
@@ -3953,7 +3951,7 @@ function getNetworkLinkUpdateCallback(
   networkLink,
   newEntityCollection,
   networkLinks,
-  processedHref
+  processedHref,
 ) {
   return function (rootElement) {
     if (!networkLinks.contains(networkLink.id)) {
@@ -3965,7 +3963,7 @@ function getNetworkLinkUpdateCallback(
     const networkLinkControl = queryFirstNode(
       rootElement,
       "NetworkLinkControl",
-      namespaces.kml
+      namespaces.kml,
     );
     const hasNetworkLinkControl = defined(networkLinkControl);
 
@@ -3976,7 +3974,7 @@ function getNetworkLinkUpdateCallback(
       ) {
         oneTimeWarning(
           "kml-networkLinkControl-update",
-          "KML - NetworkLinkControl updates aren't supported."
+          "KML - NetworkLinkControl updates aren't supported.",
         );
         networkLink.updating = false;
         networkLinks.remove(networkLink.id);
@@ -3985,16 +3983,16 @@ function getNetworkLinkUpdateCallback(
       networkLink.cookie = queryToObject(
         defaultValue(
           queryStringValue(networkLinkControl, "cookie", namespaces.kml),
-          ""
-        )
+          "",
+        ),
       );
       minRefreshPeriod = defaultValue(
         queryNumericValue(
           networkLinkControl,
           "minRefreshPeriod",
-          namespaces.kml
+          namespaces.kml,
         ),
-        0
+        0,
       );
     }
 
@@ -4010,7 +4008,7 @@ function getNetworkLinkUpdateCallback(
         expires = queryStringValue(
           networkLinkControl,
           "expires",
-          namespaces.kml
+          namespaces.kml,
         );
       }
       if (defined(expires)) {
@@ -4024,14 +4022,14 @@ function getNetworkLinkUpdateCallback(
         } catch (e) {
           oneTimeWarning(
             "kml-networkLinkControl-expires",
-            "KML - NetworkLinkControl expires is not a valid date"
+            "KML - NetworkLinkControl expires is not a valid date",
           );
           remove = true;
         }
       } else {
         oneTimeWarning(
           "kml-refreshMode-onExpire",
-          "KML - refreshMode of onExpire requires the NetworkLinkControl to have an expires element"
+          "KML - refreshMode of onExpire requires the NetworkLinkControl to have an expires element",
         );
         remove = true;
       }
@@ -4102,7 +4100,7 @@ function getNetworkLinkUpdateCallback(
     networkLink.needsUpdate = false;
     dataSource._refresh.raiseEvent(
       dataSource,
-      processedHref.getUrlComponent(true)
+      processedHref.getUrlComponent(true),
     );
   };
 }
@@ -4144,11 +4142,11 @@ KmlDataSource.prototype.update = function (time) {
     !(
       camera.positionWC.equalsEpsilon(
         lastCameraView.position,
-        CesiumMath.EPSILON7
+        CesiumMath.EPSILON7,
       ) &&
       camera.directionWC.equalsEpsilon(
         lastCameraView.direction,
-        CesiumMath.EPSILON7
+        CesiumMath.EPSILON7,
       ) &&
       camera.upWC.equalsEpsilon(lastCameraView.up, CesiumMath.EPSILON7)
     )
@@ -4211,7 +4209,7 @@ KmlDataSource.prototype.update = function (time) {
           that.canvas,
           networkLink.viewBoundScale,
           lastCameraView.bbox,
-          ellipsoid
+          ellipsoid,
         );
 
         load(that, newEntityCollection, href, {
@@ -4223,8 +4221,8 @@ KmlDataSource.prototype.update = function (time) {
               networkLink,
               newEntityCollection,
               newNetworkLinks,
-              href
-            )
+              href,
+            ),
           )
           .catch(function (error) {
             const msg = `NetworkLink ${networkLink.href} refresh failed: ${error}`;
diff --git a/packages/widgets/Source/BaseLayerPicker/BaseLayerPickerViewModel.js b/packages/widgets/Source/BaseLayerPicker/BaseLayerPickerViewModel.js
index 1e35d2f25a9d..47ca6538e4c1 100644
--- a/packages/widgets/Source/BaseLayerPicker/BaseLayerPickerViewModel.js
+++ b/packages/widgets/Source/BaseLayerPicker/BaseLayerPickerViewModel.js
@@ -25,17 +25,11 @@ import createCommand from "../createCommand.js";
  * @exception {DeveloperError} terrainProviderViewModels must be an array.
  */
 function BaseLayerPickerViewModel(options) {
-  options = defaultValue(options, defaultValue.EMPTY_OBJECT);
+  options = options ?? defaultValue.EMPTY_OBJECT;
 
   const globe = options.globe;
-  const imageryProviderViewModels = defaultValue(
-    options.imageryProviderViewModels,
-    []
-  );
-  const terrainProviderViewModels = defaultValue(
-    options.terrainProviderViewModels,
-    []
-  );
+  const imageryProviderViewModels = options.imageryProviderViewModels ?? [];
+  const terrainProviderViewModels = options.terrainProviderViewModels ?? [];
 
   //>>includeStart('debug', pragmas.debug);
   if (!defined(globe)) {
@@ -74,7 +68,7 @@ function BaseLayerPickerViewModel(options) {
 
   const imageryObservable = knockout.getObservable(
     this,
-    "imageryProviderViewModels"
+    "imageryProviderViewModels",
   );
   const imageryProviders = knockout.pureComputed(function () {
     const providers = imageryObservable();
@@ -105,7 +99,7 @@ function BaseLayerPickerViewModel(options) {
 
   const terrainObservable = knockout.getObservable(
     this,
-    "terrainProviderViewModels"
+    "terrainProviderViewModels",
   );
   const terrainProviders = knockout.pureComputed(function () {
     const providers = terrainObservable();
@@ -269,12 +263,11 @@ function BaseLayerPickerViewModel(options) {
         this._globe.terrainProvider = newProvider;
       } else if (defined(newProvider)) {
         let cancelUpdate = false;
-        const removeCancelListener = this._globe.terrainProviderChanged.addEventListener(
-          () => {
+        const removeCancelListener =
+          this._globe.terrainProviderChanged.addEventListener(() => {
             cancelUpdate = true;
             removeCancelListener();
-          }
-        );
+          });
 
         const terrain = new Terrain(newProvider);
         const removeEventListener = terrain.readyEvent.addEventListener(
@@ -289,7 +282,7 @@ function BaseLayerPickerViewModel(options) {
             );
             this._globe.terrainProvider = terrainProvider;
             removeEventListener();
-          }
+          },
         );
       }
 
@@ -303,10 +296,8 @@ function BaseLayerPickerViewModel(options) {
     that.dropDownVisible = !that.dropDownVisible;
   });
 
-  this.selectedImagery = defaultValue(
-    options.selectedImageryProviderViewModel,
-    imageryProviderViewModels[0]
-  );
+  this.selectedImagery =
+    options.selectedImageryProviderViewModel ?? imageryProviderViewModels[0];
   this.selectedTerrain = options.selectedTerrainProviderViewModel;
 }
 
diff --git a/packages/widgets/Source/BaseLayerPicker/ProviderViewModel.js b/packages/widgets/Source/BaseLayerPicker/ProviderViewModel.js
index 0e43a3ce5f58..8ac79343f2db 100644
--- a/packages/widgets/Source/BaseLayerPicker/ProviderViewModel.js
+++ b/packages/widgets/Source/BaseLayerPicker/ProviderViewModel.js
@@ -1,4 +1,4 @@
-import { defaultValue, defined, DeveloperError } from "@cesium/engine";
+import { defined, DeveloperError } from "@cesium/engine";
 import knockout from "../ThirdParty/knockout.js";
 import createCommand from "../createCommand.js";
 
@@ -61,7 +61,7 @@ function ProviderViewModel(options) {
    */
   this.iconUrl = options.iconUrl;
 
-  this._category = defaultValue(options.category, "");
+  this._category = options.category ?? "";
 
   knockout.track(this, ["name", "tooltip", "iconUrl"]);
 }
diff --git a/packages/widgets/Source/FullscreenButton/FullscreenButtonViewModel.js b/packages/widgets/Source/FullscreenButton/FullscreenButtonViewModel.js
index 15e01ec5ba1f..7e4b3e09f414 100644
--- a/packages/widgets/Source/FullscreenButton/FullscreenButtonViewModel.js
+++ b/packages/widgets/Source/FullscreenButton/FullscreenButtonViewModel.js
@@ -1,5 +1,4 @@
 import {
-  defaultValue,
   defined,
   destroyObject,
   DeveloperError,
@@ -71,19 +70,19 @@ function FullscreenButtonViewModel(fullscreenElement, container) {
     return tmpIsFullscreen() ? "Exit full screen" : "Full screen";
   });
 
-  this._command = createCommand(function () {
-    if (Fullscreen.fullscreen) {
-      Fullscreen.exitFullscreen();
-    } else {
-      Fullscreen.requestFullscreen(that._fullscreenElement);
-    }
-  }, knockout.getObservable(this, "isFullscreenEnabled"));
-
-  this._fullscreenElement = defaultValue(
-    getElement(fullscreenElement),
-    ownerDocument.body
+  this._command = createCommand(
+    function () {
+      if (Fullscreen.fullscreen) {
+        Fullscreen.exitFullscreen();
+      } else {
+        Fullscreen.requestFullscreen(that._fullscreenElement);
+      }
+    },
+    knockout.getObservable(this, "isFullscreenEnabled"),
   );
 
+  this._fullscreenElement = getElement(fullscreenElement) ?? ownerDocument.body;
+
   this._callback = function () {
     tmpIsFullscreen(Fullscreen.fullscreen);
   };
diff --git a/packages/widgets/Source/Geocoder/GeocoderViewModel.js b/packages/widgets/Source/Geocoder/GeocoderViewModel.js
index 97b48677a014..865b2e0db705 100644
--- a/packages/widgets/Source/Geocoder/GeocoderViewModel.js
+++ b/packages/widgets/Source/Geocoder/GeocoderViewModel.js
@@ -1,6 +1,5 @@
 import {
   computeFlyToLocationForRectangle,
-  defaultValue,
   defined,
   DeveloperError,
   destroyObject,
@@ -71,7 +70,7 @@ function GeocoderViewModel(options) {
   });
 
   this._searchCommand = createCommand(function (geocodeType) {
-    geocodeType = defaultValue(geocodeType, GeocodeType.SEARCH);
+    geocodeType = geocodeType ?? GeocodeType.SEARCH;
     that._focusTextbox = false;
     if (defined(that._selectedSuggestion)) {
       that.activateSuggestion(that._selectedSuggestion);
@@ -153,16 +152,14 @@ function GeocoderViewModel(options) {
    * @type {boolean}
    * @default true
    */
-  this.autoComplete = defaultValue(options.autocomplete, true);
+  this.autoComplete = options.autocomplete ?? true;
 
   /**
    * Gets and sets the command called when a geocode destination is found
    * @type {Geocoder.DestinationFoundFunction}
    */
-  this.destinationFound = defaultValue(
-    options.destinationFound,
-    GeocoderViewModel.flyToDestination
-  );
+  this.destinationFound =
+    options.destinationFound ?? GeocoderViewModel.flyToDestination;
 
   this._focusTextbox = false;
 
@@ -318,7 +315,7 @@ function handleArrowUp(viewModel) {
     return;
   }
   const currentIndex = viewModel._suggestions.indexOf(
-    viewModel._selectedSuggestion
+    viewModel._selectedSuggestion,
   );
   if (currentIndex === -1 || currentIndex === 0) {
     viewModel._selectedSuggestion = undefined;
@@ -335,7 +332,7 @@ function handleArrowDown(viewModel) {
   }
   const numberOfSuggestions = viewModel._suggestions.length;
   const currentIndex = viewModel._suggestions.indexOf(
-    viewModel._selectedSuggestion
+    viewModel._selectedSuggestion,
   );
   const next = (currentIndex + 1) % numberOfSuggestions;
   viewModel._selectedSuggestion = viewModel._suggestions[next];
@@ -358,7 +355,7 @@ function computeFlyToLocationForCartographic(cartographic, terrainProvider) {
       cartographic = positionOnTerrain[0];
       cartographic.height += DEFAULT_HEIGHT;
       return cartographic;
-    }
+    },
   );
 }
 
@@ -377,12 +374,12 @@ function flyToDestination(viewModel, destination) {
       CesiumMath.equalsEpsilon(
         destination.south,
         destination.north,
-        CesiumMath.EPSILON7
+        CesiumMath.EPSILON7,
       ) &&
       CesiumMath.equalsEpsilon(
         destination.east,
         destination.west,
-        CesiumMath.EPSILON7
+        CesiumMath.EPSILON7,
       )
     ) {
       // destination is now a Cartographic
@@ -474,7 +471,7 @@ async function geocode(viewModel, geocoderServices, geocodeType) {
     viewModel.destinationFound(viewModel, geocoderResults[0].destination);
     const credits = updateCredits(
       viewModel,
-      GeocoderService.getCreditsFromResult(geocoderResults[0])
+      GeocoderService.getCreditsFromResult(geocoderResults[0]),
     );
     // If the result does not contain any credits, default to the service credit.
     if (!defined(credits)) {
diff --git a/packages/widgets/Source/InspectorShared.js b/packages/widgets/Source/InspectorShared.js
index 25e4d1326b85..eafb8151c602 100644
--- a/packages/widgets/Source/InspectorShared.js
+++ b/packages/widgets/Source/InspectorShared.js
@@ -1,4 +1,4 @@
-import { Check, defaultValue, defined } from "@cesium/engine";
+import { Check, defined } from "@cesium/engine";
 
 /**
  * A static class with helper functions used by CesiumInspector, Cesium3DTilesInspector, and VoxelInspector
@@ -16,7 +16,7 @@ const InspectorShared = {};
 InspectorShared.createCheckbox = function (
   labelText,
   checkedBinding,
-  enableBinding
+  enableBinding,
 ) {
   //>>includeStart('debug', pragmas.debug);
   Check.typeOf.string("labelText", labelText);
@@ -50,7 +50,7 @@ InspectorShared.createSection = function (
   panel,
   headerText,
   sectionVisibleBinding,
-  toggleSectionVisibilityBinding
+  toggleSectionVisibilityBinding,
 ) {
   //>>includeStart('debug', pragmas.debug);
   Check.defined("panel", panel);
@@ -58,14 +58,14 @@ InspectorShared.createSection = function (
   Check.typeOf.string("sectionVisibleBinding", sectionVisibleBinding);
   Check.typeOf.string(
     "toggleSectionVisibilityBinding",
-    toggleSectionVisibilityBinding
+    toggleSectionVisibilityBinding,
   );
   //>>includeEnd('debug');
   const section = document.createElement("div");
   section.className = "cesium-cesiumInspector-section";
   section.setAttribute(
     "data-bind",
-    `css: { "cesium-cesiumInspector-section-collapsed": !${sectionVisibleBinding} }`
+    `css: { "cesium-cesiumInspector-section-collapsed": !${sectionVisibleBinding} }`,
   );
   panel.appendChild(section);
 
@@ -74,7 +74,7 @@ InspectorShared.createSection = function (
   sectionHeader.appendChild(document.createTextNode(headerText));
   sectionHeader.setAttribute(
     "data-bind",
-    `click: ${toggleSectionVisibilityBinding}`
+    `click: ${toggleSectionVisibilityBinding}`,
   );
   section.appendChild(sectionHeader);
 
@@ -100,7 +100,7 @@ InspectorShared.createRangeInput = function (
   min,
   max,
   step,
-  inputValueBinding
+  inputValueBinding,
 ) {
   //>>includeStart('debug', pragmas.debug);
   Check.typeOf.string("rangeText", rangeText);
@@ -109,7 +109,7 @@ InspectorShared.createRangeInput = function (
   Check.typeOf.number("max", max);
   //>>includeEnd('debug');
 
-  inputValueBinding = defaultValue(inputValueBinding, sliderValueBinding);
+  inputValueBinding = inputValueBinding ?? sliderValueBinding;
   const input = document.createElement("input");
   input.setAttribute("data-bind", `value: ${inputValueBinding}`);
   input.type = "number";
@@ -118,10 +118,10 @@ InspectorShared.createRangeInput = function (
   slider.type = "range";
   slider.min = min;
   slider.max = max;
-  slider.step = defaultValue(step, "any");
+  slider.step = step ?? "any";
   slider.setAttribute(
     "data-bind",
-    `valueUpdate: "input", value: ${sliderValueBinding}`
+    `valueUpdate: "input", value: ${sliderValueBinding}`,
   );
 
   const wrapper = document.createElement("div");
@@ -146,7 +146,7 @@ InspectorShared.createRangeInput = function (
 InspectorShared.createButton = function (
   buttonText,
   clickedBinding,
-  activeBinding
+  activeBinding,
 ) {
   //>>includeStart('debug', pragmas.debug);
   Check.typeOf.string("buttonText", buttonText);
diff --git a/packages/widgets/Source/NavigationHelpButton/NavigationHelpButton.js b/packages/widgets/Source/NavigationHelpButton/NavigationHelpButton.js
index 05b7573eb54d..861861f1ef43 100644
--- a/packages/widgets/Source/NavigationHelpButton/NavigationHelpButton.js
+++ b/packages/widgets/Source/NavigationHelpButton/NavigationHelpButton.js
@@ -1,6 +1,5 @@
 import {
   buildModuleUrl,
-  defaultValue,
   defined,
   destroyObject,
   DeveloperError,
@@ -42,11 +41,7 @@ function NavigationHelpButton(options) {
 
   const viewModel = new NavigationHelpButtonViewModel();
 
-  const showInsructionsDefault = defaultValue(
-    options.instructionsInitiallyVisible,
-    false
-  );
-  viewModel.showInstructions = showInsructionsDefault;
+  viewModel.showInstructions = options.instructionsInitiallyVisible ?? false;
 
   viewModel._svgPath =
     "M16,1.466C7.973,1.466,1.466,7.973,1.466,16c0,8.027,6.507,14.534,14.534,14.534c8.027,0,14.534-6.507,14.534-14.534C30.534,7.973,24.027,1.466,16,1.466z M17.328,24.371h-2.707v-2.596h2.707V24.371zM17.328,19.003v0.858h-2.707v-1.057c0-3.19,3.63-3.696,3.63-5.963c0-1.034-0.924-1.826-2.134-1.826c-1.254,0-2.354,0.924-2.354,0.924l-1.541-1.915c0,0,1.519-1.584,4.137-1.584c2.487,0,4.796,1.54,4.796,4.136C21.156,16.208,17.328,16.627,17.328,19.003z";
@@ -64,7 +59,7 @@ function NavigationHelpButton(options) {
     "\
 attr: { title: tooltip },\
 click: command,\
-cesiumSvgPath: { path: _svgPath, width: 32, height: 32 }"
+cesiumSvgPath: { path: _svgPath, width: 32, height: 32 }",
   );
   wrapper.appendChild(button);
 
@@ -72,7 +67,7 @@ cesiumSvgPath: { path: _svgPath, width: 32, height: 32 }"
   instructionContainer.className = "cesium-navigation-help";
   instructionContainer.setAttribute(
     "data-bind",
-    'css: { "cesium-navigation-help-visible" : showInstructions}'
+    'css: { "cesium-navigation-help-visible" : showInstructions}',
   );
   wrapper.appendChild(instructionContainer);
 
@@ -82,7 +77,7 @@ cesiumSvgPath: { path: _svgPath, width: 32, height: 32 }"
     "cesium-navigation-button cesium-navigation-button-left";
   mouseButton.setAttribute(
     "data-bind",
-    'click: showClick, css: {"cesium-navigation-button-selected": !_touch, "cesium-navigation-button-unselected": _touch}'
+    'click: showClick, css: {"cesium-navigation-button-selected": !_touch, "cesium-navigation-button-unselected": _touch}',
   );
   const mouseIcon = document.createElement("img");
   mouseIcon.src = buildModuleUrl("Widgets/Images/NavigationHelp/Mouse.svg");
@@ -98,7 +93,7 @@ cesiumSvgPath: { path: _svgPath, width: 32, height: 32 }"
     "cesium-navigation-button cesium-navigation-button-right";
   touchButton.setAttribute(
     "data-bind",
-    'click: showTouch, css: {"cesium-navigation-button-selected": _touch, "cesium-navigation-button-unselected": !_touch}'
+    'click: showTouch, css: {"cesium-navigation-button-selected": _touch, "cesium-navigation-button-unselected": !_touch}',
   );
   const touchIcon = document.createElement("img");
   touchIcon.src = buildModuleUrl("Widgets/Images/NavigationHelp/Touch.svg");
@@ -116,13 +111,13 @@ cesiumSvgPath: { path: _svgPath, width: 32, height: 32 }"
     "cesium-click-navigation-help cesium-navigation-help-instructions";
   clickInstructions.setAttribute(
     "data-bind",
-    'css: { "cesium-click-navigation-help-visible" : !_touch}'
+    'css: { "cesium-click-navigation-help-visible" : !_touch}',
   );
   clickInstructions.innerHTML = `\
             <table>\
                 <tr>\
                     <td><img src="${buildModuleUrl(
-                      "Widgets/Images/NavigationHelp/MouseLeft.svg"
+                      "Widgets/Images/NavigationHelp/MouseLeft.svg",
                     )}" width="48" height="48" /></td>\
                     <td>\
                         <div class="cesium-navigation-help-pan">Pan view</div>\
@@ -131,7 +126,7 @@ cesiumSvgPath: { path: _svgPath, width: 32, height: 32 }"
                 </tr>\
                 <tr>\
                     <td><img src="${buildModuleUrl(
-                      "Widgets/Images/NavigationHelp/MouseRight.svg"
+                      "Widgets/Images/NavigationHelp/MouseRight.svg",
                     )}" width="48" height="48" /></td>\
                     <td>\
                         <div class="cesium-navigation-help-zoom">Zoom view</div>\
@@ -141,7 +136,7 @@ cesiumSvgPath: { path: _svgPath, width: 32, height: 32 }"
                 </tr>\
                 <tr>\
                     <td><img src="${buildModuleUrl(
-                      "Widgets/Images/NavigationHelp/MouseMiddle.svg"
+                      "Widgets/Images/NavigationHelp/MouseMiddle.svg",
                     )}" width="48" height="48" /></td>\
                     <td>\
                         <div class="cesium-navigation-help-rotate">Rotate view</div>\
@@ -158,13 +153,13 @@ cesiumSvgPath: { path: _svgPath, width: 32, height: 32 }"
     "cesium-touch-navigation-help cesium-navigation-help-instructions";
   touchInstructions.setAttribute(
     "data-bind",
-    'css: { "cesium-touch-navigation-help-visible" : _touch}'
+    'css: { "cesium-touch-navigation-help-visible" : _touch}',
   );
   touchInstructions.innerHTML = `\
             <table>\
                 <tr>\
                     <td><img src="${buildModuleUrl(
-                      "Widgets/Images/NavigationHelp/TouchDrag.svg"
+                      "Widgets/Images/NavigationHelp/TouchDrag.svg",
                     )}" width="70" height="48" /></td>\
                     <td>\
                         <div class="cesium-navigation-help-pan">Pan view</div>\
@@ -173,7 +168,7 @@ cesiumSvgPath: { path: _svgPath, width: 32, height: 32 }"
                 </tr>\
                 <tr>\
                     <td><img src="${buildModuleUrl(
-                      "Widgets/Images/NavigationHelp/TouchZoom.svg"
+                      "Widgets/Images/NavigationHelp/TouchZoom.svg",
                     )}" width="70" height="48" /></td>\
                     <td>\
                         <div class="cesium-navigation-help-zoom">Zoom view</div>\
@@ -182,7 +177,7 @@ cesiumSvgPath: { path: _svgPath, width: 32, height: 32 }"
                 </tr>\
                 <tr>\
                     <td><img src="${buildModuleUrl(
-                      "Widgets/Images/NavigationHelp/TouchTilt.svg"
+                      "Widgets/Images/NavigationHelp/TouchTilt.svg",
                     )}" width="70" height="48" /></td>\
                     <td>\
                         <div class="cesium-navigation-help-rotate">Tilt view</div>\
@@ -191,7 +186,7 @@ cesiumSvgPath: { path: _svgPath, width: 32, height: 32 }"
                 </tr>\
                 <tr>\
                     <td><img src="${buildModuleUrl(
-                      "Widgets/Images/NavigationHelp/TouchRotate.svg"
+                      "Widgets/Images/NavigationHelp/TouchRotate.svg",
                     )}" width="70" height="48" /></td>\
                     <td>\
                         <div class="cesium-navigation-help-tilt">Rotate view</div>\
diff --git a/packages/widgets/Source/PerformanceWatchdog/PerformanceWatchdogViewModel.js b/packages/widgets/Source/PerformanceWatchdog/PerformanceWatchdogViewModel.js
index 5f0fd411344b..9294c7c5de07 100644
--- a/packages/widgets/Source/PerformanceWatchdog/PerformanceWatchdogViewModel.js
+++ b/packages/widgets/Source/PerformanceWatchdog/PerformanceWatchdogViewModel.js
@@ -1,5 +1,4 @@
 import {
-  defaultValue,
   defined,
   destroyObject,
   DeveloperError,
@@ -33,10 +32,10 @@ function PerformanceWatchdogViewModel(options) {
    * Gets or sets the message to display when a low frame rate is detected.  This string will be interpreted as HTML.
    * @type {string}
    */
-  this.lowFrameRateMessage = defaultValue(
-    options.lowFrameRateMessage,
-    "This application appears to be performing poorly on your system.  Please try using a different web browser or updating your video drivers."
-  );
+  this.lowFrameRateMessage =
+    options.lowFrameRateMessage ??
+    "This application appears to be performing poorly on your system.  " +
+      "Please try using a different web browser or updating your video drivers.";
 
   /**
    * Gets or sets a value indicating whether the low frame rate message has previously been dismissed by the user.  If it has
@@ -70,13 +69,13 @@ function PerformanceWatchdogViewModel(options) {
       if (!that.lowFrameRateMessageDismissed) {
         that.showingLowFrameRateMessage = true;
       }
-    }
+    },
   );
 
   this._unsubscribeNominalFrameRate = monitor.nominalFrameRate.addEventListener(
     function () {
       that.showingLowFrameRateMessage = false;
-    }
+    },
   );
 }
 
diff --git a/packages/widgets/Source/SceneModePicker/SceneModePickerViewModel.js b/packages/widgets/Source/SceneModePicker/SceneModePickerViewModel.js
index 33884b8902ff..84f2a48f954d 100644
--- a/packages/widgets/Source/SceneModePicker/SceneModePickerViewModel.js
+++ b/packages/widgets/Source/SceneModePicker/SceneModePickerViewModel.js
@@ -1,5 +1,4 @@
 import {
-  defaultValue,
   defined,
   destroyObject,
   DeveloperError,
@@ -36,7 +35,7 @@ function SceneModePickerViewModel(scene, duration) {
   this._eventHelper = new EventHelper();
   this._eventHelper.add(scene.morphStart, morphStart);
 
-  this._duration = defaultValue(duration, 2.0);
+  this._duration = duration ?? 2.0;
 
   /**
    * Gets or sets the current SceneMode.  This property is observable.
diff --git a/packages/widgets/Source/SelectionIndicator/SelectionIndicatorViewModel.js b/packages/widgets/Source/SelectionIndicator/SelectionIndicatorViewModel.js
index d6ba66c211ec..0156030dacea 100644
--- a/packages/widgets/Source/SelectionIndicator/SelectionIndicatorViewModel.js
+++ b/packages/widgets/Source/SelectionIndicator/SelectionIndicatorViewModel.js
@@ -1,6 +1,5 @@
 import {
   Cartesian2,
-  defaultValue,
   defined,
   DeveloperError,
   EasingFunction,
@@ -23,7 +22,7 @@ const offScreen = "-1000px";
 function SelectionIndicatorViewModel(
   scene,
   selectionIndicatorElement,
-  container
+  container,
 ) {
   //>>includeStart('debug', pragmas.debug);
   if (!defined(scene)) {
@@ -43,7 +42,7 @@ function SelectionIndicatorViewModel(
   this._screenPositionX = offScreen;
   this._screenPositionY = offScreen;
   this._tweens = scene.tweens;
-  this._container = defaultValue(container, document.body);
+  this._container = container ?? document.body;
   this._selectionIndicatorElement = selectionIndicatorElement;
   this._scale = 1;
 
@@ -110,7 +109,7 @@ SelectionIndicatorViewModel.prototype.update = function () {
   if (this.showSelection && defined(this.position)) {
     const screenPosition = this.computeScreenSpacePosition(
       this.position,
-      screenSpacePos
+      screenSpacePos,
     );
     if (!defined(screenPosition)) {
       this._screenPositionX = offScreen;
@@ -125,12 +124,12 @@ SelectionIndicatorViewModel.prototype.update = function () {
       screenPosition.x =
         Math.min(
           Math.max(screenPosition.x, -indicatorSize),
-          containerWidth + indicatorSize
+          containerWidth + indicatorSize,
         ) - halfSize;
       screenPosition.y =
         Math.min(
           Math.max(screenPosition.y, -indicatorSize),
-          containerHeight + indicatorSize
+          containerHeight + indicatorSize,
         ) - halfSize;
 
       this._screenPositionX = `${Math.floor(screenPosition.x + 0.25)}px`;
diff --git a/packages/widgets/Source/Timeline/TimelineHighlightRange.js b/packages/widgets/Source/Timeline/TimelineHighlightRange.js
index 0d2baec78599..81a8554ddeae 100644
--- a/packages/widgets/Source/Timeline/TimelineHighlightRange.js
+++ b/packages/widgets/Source/Timeline/TimelineHighlightRange.js
@@ -1,4 +1,4 @@
-import { defaultValue, JulianDate } from "@cesium/engine";
+import { JulianDate } from "@cesium/engine";
 
 /**
  * @private
@@ -6,7 +6,7 @@ import { defaultValue, JulianDate } from "@cesium/engine";
 function TimelineHighlightRange(color, heightInPx, base) {
   this._color = color;
   this._height = heightInPx;
-  this._base = defaultValue(base, 0);
+  this._base = base ?? 0;
 }
 
 TimelineHighlightRange.prototype.getHeight = function () {
@@ -35,18 +35,18 @@ TimelineHighlightRange.prototype.render = function (renderState) {
   if (this._start && this._stop && this._color) {
     const highlightStart = JulianDate.secondsDifference(
       this._start,
-      renderState.epochJulian
+      renderState.epochJulian,
     );
     let highlightLeft = Math.round(
-      renderState.timeBarWidth * renderState.getAlpha(highlightStart)
+      renderState.timeBarWidth * renderState.getAlpha(highlightStart),
     );
     const highlightStop = JulianDate.secondsDifference(
       this._stop,
-      renderState.epochJulian
+      renderState.epochJulian,
     );
     let highlightWidth =
       Math.round(
-        renderState.timeBarWidth * renderState.getAlpha(highlightStop)
+        renderState.timeBarWidth * renderState.getAlpha(highlightStop),
       ) - highlightLeft;
     if (highlightLeft < 0) {
       highlightWidth += highlightLeft;
diff --git a/packages/widgets/Source/ToggleButtonViewModel.js b/packages/widgets/Source/ToggleButtonViewModel.js
index b8f339a16e5c..fc5ce62b807b 100644
--- a/packages/widgets/Source/ToggleButtonViewModel.js
+++ b/packages/widgets/Source/ToggleButtonViewModel.js
@@ -20,21 +20,21 @@ function ToggleButtonViewModel(command, options) {
 
   this._command = command;
 
-  options = defaultValue(options, defaultValue.EMPTY_OBJECT);
+  options = options ?? defaultValue.EMPTY_OBJECT;
 
   /**
    * Gets or sets whether the button is currently toggled.  This property is observable.
    * @type {boolean}
    * @default false
    */
-  this.toggled = defaultValue(options.toggled, false);
+  this.toggled = options.toggled ?? false;
 
   /**
    * Gets or sets the button's tooltip.  This property is observable.
    * @type {string}
    * @default ''
    */
-  this.tooltip = defaultValue(options.tooltip, "");
+  this.tooltip = options.tooltip ?? "";
 
   knockout.track(this, ["toggled", "tooltip"]);
 }
diff --git a/packages/widgets/Source/VRButton/VRButtonViewModel.js b/packages/widgets/Source/VRButton/VRButtonViewModel.js
index 1f5697fbb39e..55e3e8efb58c 100644
--- a/packages/widgets/Source/VRButton/VRButtonViewModel.js
+++ b/packages/widgets/Source/VRButton/VRButtonViewModel.js
@@ -1,5 +1,4 @@
 import {
-  defaultValue,
   defined,
   destroyObject,
   DeveloperError,
@@ -149,11 +148,14 @@ function VRButtonViewModel(scene, vrElement) {
   this._locked = false;
   this._noSleep = new NoSleep();
 
-  this._command = createCommand(function () {
-    toggleVR(that, scene, isVRMode, isOrthographic);
-  }, knockout.getObservable(this, "isVREnabled"));
+  this._command = createCommand(
+    function () {
+      toggleVR(that, scene, isVRMode, isOrthographic);
+    },
+    knockout.getObservable(this, "isVREnabled"),
+  );
 
-  this._vrElement = defaultValue(getElement(vrElement), document.body);
+  this._vrElement = getElement(vrElement) ?? document.body;
 
   this._callback = function () {
     if (!Fullscreen.fullscreen && isVRMode()) {
diff --git a/packages/widgets/Source/Viewer/Viewer.js b/packages/widgets/Source/Viewer/Viewer.js
index 20572ebece87..14dff625f1da 100644
--- a/packages/widgets/Source/Viewer/Viewer.js
+++ b/packages/widgets/Source/Viewer/Viewer.js
@@ -116,7 +116,7 @@ function getCesium3DTileFeatureName(feature) {
 function pickEntity(viewer, e) {
   const picked = viewer.scene.pick(e.position);
   if (defined(picked)) {
-    const id = defaultValue(picked.id, picked.primitive.id);
+    const id = picked.id ?? picked.primitive.id;
     if (id instanceof Entity) {
       return id;
     }
@@ -152,7 +152,7 @@ function trackDataSourceClock(timeline, clock, dataSource) {
           stopTime = JulianDate.addSeconds(
             startTime,
             CesiumMath.EPSILON2,
-            scratchStopTime
+            scratchStopTime,
           );
         }
         timeline.updateFromClock();
@@ -167,10 +167,8 @@ const cartesian3Scratch = new Cartesian3();
 function pickImageryLayerFeature(viewer, windowPosition) {
   const scene = viewer.scene;
   const pickRay = scene.camera.getPickRay(windowPosition);
-  const imageryLayerFeaturePromise = scene.imageryLayers.pickImageryLayerFeatures(
-    pickRay,
-    scene
-  );
+  const imageryLayerFeaturePromise =
+    scene.imageryLayers.pickImageryLayerFeatures(pickRay, scene);
   if (!defined(imageryLayerFeaturePromise)) {
     return;
   }
@@ -204,7 +202,7 @@ function pickImageryLayerFeature(viewer, windowPosition) {
       if (defined(feature.position)) {
         const ecfPosition = viewer.scene.ellipsoid.cartographicToCartesian(
           feature.position,
-          cartesian3Scratch
+          cartesian3Scratch,
         );
         entity.position = new ConstantPositionProperty(ecfPosition);
       }
@@ -217,7 +215,7 @@ function pickImageryLayerFeature(viewer, windowPosition) {
         return;
       }
       viewer.selectedEntity = createNoFeaturesEntity();
-    }
+    },
   );
 
   return loadingMessage;
@@ -418,7 +416,7 @@ function Viewer(container, options) {
   //>>includeEnd('debug');
 
   container = getElement(container);
-  options = defaultValue(options, defaultValue.EMPTY_OBJECT);
+  options = options ?? defaultValue.EMPTY_OBJECT;
 
   const createBaseLayerPicker =
     (!defined(options.globe) || options.globe !== false) &&
@@ -432,7 +430,7 @@ function Viewer(container, options) {
   ) {
     throw new DeveloperError(
       "options.selectedImageryProviderViewModel is not available when not using the BaseLayerPicker widget. \
-Either specify options.baseLayer instead or set options.baseLayerPicker to true."
+Either specify options.baseLayer instead or set options.baseLayerPicker to true.",
     );
   }
 
@@ -443,7 +441,7 @@ Either specify options.baseLayer instead or set options.baseLayerPicker to true.
   ) {
     throw new DeveloperError(
       "options.selectedTerrainProviderViewModel is not available when not using the BaseLayerPicker widget. \
-Either specify options.terrainProvider instead or set options.baseLayerPicker to true."
+Either specify options.terrainProvider instead or set options.baseLayerPicker to true.",
     );
   }
   //>>includeEnd('debug')
@@ -465,7 +463,7 @@ Either specify options.terrainProvider instead or set options.baseLayerPicker to
 
   viewerContainer.appendChild(bottomContainer);
 
-  const scene3DOnly = defaultValue(options.scene3DOnly, false);
+  const scene3DOnly = options.scene3DOnly ?? false;
 
   let clock;
   let clockViewModel;
@@ -551,7 +549,7 @@ Either specify options.terrainProvider instead or set options.baseLayerPicker to
     viewerContainer.appendChild(selectionIndicatorContainer);
     selectionIndicator = new SelectionIndicator(
       selectionIndicatorContainer,
-      scene
+      scene,
     );
   }
 
@@ -567,12 +565,12 @@ Either specify options.terrainProvider instead or set options.baseLayerPicker to
     eventHelper.add(
       infoBoxViewModel.cameraClicked,
       Viewer.prototype._onInfoBoxCameraClicked,
-      this
+      this,
     );
     eventHelper.add(
       infoBoxViewModel.closeClicked,
       Viewer.prototype._onInfoBoxClockClicked,
-      this
+      this,
     );
   }
 
@@ -602,7 +600,7 @@ Either specify options.terrainProvider instead or set options.baseLayerPicker to
     eventHelper.add(
       geocoder.viewModel.search.beforeExecute,
       Viewer.prototype._clearObjects,
-      this
+      this,
     );
   }
 
@@ -623,7 +621,7 @@ Either specify options.terrainProvider instead or set options.baseLayerPicker to
     eventHelper.add(
       homeButton.viewModel.command.beforeExecute,
       Viewer.prototype._clearTrackedObject,
-      this
+      this,
     );
   }
 
@@ -633,7 +631,7 @@ Either specify options.terrainProvider instead or set options.baseLayerPicker to
   //>>includeStart('debug', pragmas.debug);
   if (options.sceneModePicker === true && scene3DOnly) {
     throw new DeveloperError(
-      "options.sceneModePicker is not available when options.scene3DOnly is set to true."
+      "options.sceneModePicker is not available when options.scene3DOnly is set to true.",
     );
   }
   //>>includeEnd('debug');
@@ -655,14 +653,12 @@ Either specify options.terrainProvider instead or set options.baseLayerPicker to
   let baseLayerPicker;
   let baseLayerPickerDropDown;
   if (createBaseLayerPicker) {
-    const imageryProviderViewModels = defaultValue(
-      options.imageryProviderViewModels,
-      createDefaultImageryProviderViewModels()
-    );
-    const terrainProviderViewModels = defaultValue(
-      options.terrainProviderViewModels,
-      createDefaultTerrainProviderViewModels()
-    );
+    const imageryProviderViewModels =
+      options.imageryProviderViewModels ??
+      createDefaultImageryProviderViewModels();
+    const terrainProviderViewModels =
+      options.terrainProviderViewModels ??
+      createDefaultTerrainProviderViewModels;
 
     baseLayerPicker = new BaseLayerPicker(toolbar, {
       globe: scene.globe,
@@ -676,7 +672,7 @@ Either specify options.terrainProvider instead or set options.baseLayerPicker to
 
     //Grab the dropdown for resize code.
     const elements = toolbar.getElementsByClassName(
-      "cesium-baseLayerPicker-dropDown"
+      "cesium-baseLayerPicker-dropDown",
     );
     baseLayerPickerDropDown = elements[0];
   }
@@ -701,7 +697,7 @@ Either specify options.terrainProvider instead or set options.baseLayerPicker to
     //>>includeStart('debug', pragmas.debug);
     if (defined(options.terrainProvider)) {
       throw new DeveloperError(
-        "Specify either options.terrainProvider or options.terrain."
+        "Specify either options.terrainProvider or options.terrain.",
       );
     }
     //>>includeEnd('debug')
@@ -725,7 +721,7 @@ Either specify options.terrainProvider instead or set options.baseLayerPicker to
       //window.localStorage is null if disabled in Firefox or undefined in browsers with implementation
       if (defined(window.localStorage)) {
         const hasSeenNavHelp = window.localStorage.getItem(
-          "cesium-hasSeenNavHelp"
+          "cesium-hasSeenNavHelp",
         );
         if (defined(hasSeenNavHelp) && Boolean(hasSeenNavHelp)) {
           showNavHelp = false;
@@ -739,10 +735,8 @@ Either specify options.terrainProvider instead or set options.baseLayerPicker to
     }
     navigationHelpButton = new NavigationHelpButton({
       container: toolbar,
-      instructionsInitiallyVisible: defaultValue(
-        options.navigationInstructionsInitiallyVisible,
-        showNavHelp
-      ),
+      instructionsInitiallyVisible:
+        options.navigationInstructionsInitiallyVisible ?? showNavHelp,
     });
   }
 
@@ -754,7 +748,7 @@ Either specify options.terrainProvider instead or set options.baseLayerPicker to
     viewerContainer.appendChild(animationContainer);
     animation = new Animation(
       animationContainer,
-      new AnimationViewModel(clockViewModel)
+      new AnimationViewModel(clockViewModel),
     );
   }
 
@@ -782,7 +776,7 @@ Either specify options.terrainProvider instead or set options.baseLayerPicker to
     viewerContainer.appendChild(fullscreenContainer);
     fullscreenButton = new FullscreenButton(
       fullscreenContainer,
-      options.fullscreenElement
+      options.fullscreenElement,
     );
 
     //Subscribe to fullscreenButton.viewModel.isFullscreenEnabled so
@@ -798,7 +792,7 @@ Either specify options.terrainProvider instead or set options.baseLayerPicker to
           timeline.container.style.right = `${fullscreenContainer.clientWidth}px`;
           timeline.resize();
         }
-      }
+      },
     );
   }
 
@@ -824,7 +818,7 @@ Either specify options.terrainProvider instead or set options.baseLayerPicker to
           timeline.container.style.right = `${vrContainer.clientWidth}px`;
           timeline.resize();
         }
-      }
+      },
     );
 
     vrModeSubscription = subscribeAndEvaluate(
@@ -832,7 +826,7 @@ Either specify options.terrainProvider instead or set options.baseLayerPicker to
       "isVRMode",
       function (isVRMode) {
         enableVRUI(that, isVRMode);
-      }
+      },
     );
   }
 
@@ -843,10 +837,8 @@ Either specify options.terrainProvider instead or set options.baseLayerPicker to
   this._vrSubscription = vrSubscription;
   this._vrModeSubscription = vrModeSubscription;
   this._dataSourceChangedListeners = {};
-  this._automaticallyTrackDataSourceClocks = defaultValue(
-    options.automaticallyTrackDataSourceClocks,
-    true
-  );
+  this._automaticallyTrackDataSourceClocks =
+    options.automaticallyTrackDataSourceClocks ?? true;
   this._container = container;
   this._bottomContainer = bottomContainer;
   this._element = viewerContainer;
@@ -896,12 +888,12 @@ Either specify options.terrainProvider instead or set options.baseLayerPicker to
   eventHelper.add(
     dataSourceCollection.dataSourceAdded,
     Viewer.prototype._onDataSourceAdded,
-    this
+    this,
   );
   eventHelper.add(
     dataSourceCollection.dataSourceRemoved,
     Viewer.prototype._onDataSourceRemoved,
-    this
+    this,
   );
 
   // Prior to each render, check if anything needs to be resized.
@@ -921,12 +913,12 @@ Either specify options.terrainProvider instead or set options.baseLayerPicker to
   eventHelper.add(
     dataSourceCollection.dataSourceAdded,
     Viewer.prototype._dataSourceAdded,
-    this
+    this,
   );
   eventHelper.add(
     dataSourceCollection.dataSourceRemoved,
     Viewer.prototype._dataSourceRemoved,
-    this
+    this,
   );
 
   // Subscribe to left clicks and zoom to the picked object.
@@ -952,11 +944,11 @@ Either specify options.terrainProvider instead or set options.baseLayerPicker to
 
   cesiumWidget.screenSpaceEventHandler.setInputAction(
     pickAndSelectObject,
-    ScreenSpaceEventType.LEFT_CLICK
+    ScreenSpaceEventType.LEFT_CLICK,
   );
   cesiumWidget.screenSpaceEventHandler.setInputAction(
     pickAndTrackObject,
-    ScreenSpaceEventType.LEFT_DOUBLE_CLICK
+    ScreenSpaceEventType.LEFT_DOUBLE_CLICK,
   );
 }
 
@@ -1746,10 +1738,10 @@ Viewer.prototype.destroy = function () {
     !this.screenSpaceEventHandler.isDestroyed()
   ) {
     this.screenSpaceEventHandler.removeInputAction(
-      ScreenSpaceEventType.LEFT_CLICK
+      ScreenSpaceEventType.LEFT_CLICK,
     );
     this.screenSpaceEventHandler.removeInputAction(
-      ScreenSpaceEventType.LEFT_DOUBLE_CLICK
+      ScreenSpaceEventType.LEFT_DOUBLE_CLICK,
     );
   }
 
@@ -1795,7 +1787,7 @@ Viewer.prototype.destroy = function () {
     this._timeline.removeEventListener(
       "settime",
       onTimelineScrubfunction,
-      false
+      false,
     );
     this._element.removeChild(this._timeline.container);
     this._timeline = this._timeline.destroy();
@@ -1842,12 +1834,12 @@ Viewer.prototype.destroy = function () {
  */
 Viewer.prototype._dataSourceAdded = function (
   dataSourceCollection,
-  dataSource
+  dataSource,
 ) {
   const entityCollection = dataSource.entities;
   entityCollection.collectionChanged.addEventListener(
     Viewer.prototype._onEntityCollectionChanged,
-    this
+    this,
   );
 };
 
@@ -1856,12 +1848,12 @@ Viewer.prototype._dataSourceAdded = function (
  */
 Viewer.prototype._dataSourceRemoved = function (
   dataSourceCollection,
-  dataSource
+  dataSource,
 ) {
   const entityCollection = dataSource.entities;
   entityCollection.collectionChanged.removeEventListener(
     Viewer.prototype._onEntityCollectionChanged,
-    this
+    this,
   );
 
   if (defined(this.trackedEntity)) {
@@ -1898,7 +1890,7 @@ Viewer.prototype._onTick = function (clock) {
     const trackedState = this._dataSourceDisplay.getBoundingSphere(
       trackedEntity,
       false,
-      boundingSphereScratch
+      boundingSphereScratch,
     );
     if (trackedState === BoundingSphereState.DONE) {
       entityView.update(time, boundingSphereScratch);
@@ -1918,7 +1910,7 @@ Viewer.prototype._onTick = function (clock) {
     const state = this._dataSourceDisplay.getBoundingSphere(
       selectedEntity,
       true,
-      boundingSphereScratch
+      boundingSphereScratch,
     );
     if (state !== BoundingSphereState.FAILED) {
       position = boundingSphereScratch.center;
@@ -1934,7 +1926,7 @@ Viewer.prototype._onTick = function (clock) {
   if (defined(selectionIndicatorViewModel)) {
     selectionIndicatorViewModel.position = Cartesian3.clone(
       position,
-      selectionIndicatorViewModel.position
+      selectionIndicatorViewModel.position,
     );
     selectionIndicatorViewModel.showSelection = showSelection && enableCamera;
     selectionIndicatorViewModel.update();
@@ -1950,14 +1942,11 @@ Viewer.prototype._onTick = function (clock) {
       this.trackedEntity === this.selectedEntity;
 
     if (showSelection) {
-      infoBoxViewModel.titleText = defaultValue(
-        selectedEntity.name,
-        selectedEntity.id
-      );
+      infoBoxViewModel.titleText = selectedEntity.name ?? selectedEntity.id;
       infoBoxViewModel.description = Property.getValueOrDefault(
         selectedEntity.description,
         time,
-        ""
+        "",
       );
     } else {
       infoBoxViewModel.titleText = "";
@@ -1972,7 +1961,7 @@ Viewer.prototype._onTick = function (clock) {
 Viewer.prototype._onEntityCollectionChanged = function (
   collection,
   added,
-  removed
+  removed,
 ) {
   const length = removed.length;
   for (let i = 0; i < length; i++) {
@@ -2042,7 +2031,7 @@ Viewer.prototype._onDataSourceChanged = function (dataSource) {
  */
 Viewer.prototype._onDataSourceAdded = function (
   dataSourceCollection,
-  dataSource
+  dataSource,
 ) {
   if (this._automaticallyTrackDataSourceClocks) {
     this.clockTrackedDataSource = dataSource;
@@ -2051,7 +2040,7 @@ Viewer.prototype._onDataSourceAdded = function (
   const removalFunc = this._eventHelper.add(
     dataSource.changedEvent,
     Viewer.prototype._onDataSourceChanged,
-    this
+    this,
   );
   this._dataSourceChangedListeners[id] = removalFunc;
 };
@@ -2061,7 +2050,7 @@ Viewer.prototype._onDataSourceAdded = function (
  */
 Viewer.prototype._onDataSourceRemoved = function (
   dataSourceCollection,
-  dataSource
+  dataSource,
 ) {
   const resetClock = this.clockTrackedDataSource === dataSource;
   const id = dataSource.entities.id;
@@ -2071,7 +2060,7 @@ Viewer.prototype._onDataSourceRemoved = function (
     const numDataSources = dataSourceCollection.length;
     if (this._automaticallyTrackDataSourceClocks && numDataSources > 0) {
       this.clockTrackedDataSource = dataSourceCollection.get(
-        numDataSources - 1
+        numDataSources - 1,
       );
     } else {
       this.clockTrackedDataSource = undefined;
@@ -2215,7 +2204,7 @@ function zoomToOrFly(that, zoomTarget, options, isFlight) {
     }
 
     //If zoomTarget is an EntityCollection, this will retrieve the array
-    zoomTarget = defaultValue(zoomTarget.values, zoomTarget);
+    zoomTarget = zoomTarget.values ?? zoomTarget;
 
     //If zoomTarget is a DataSource, this will retrieve the array.
     if (defined(zoomTarget.entities)) {
@@ -2265,7 +2254,7 @@ function updateZoomTarget(viewer) {
 
   const scene = viewer.scene;
   const camera = scene.camera;
-  const zoomOptions = defaultValue(viewer._zoomOptions, {});
+  const zoomOptions = viewer._zoomOptions ?? {};
   let options;
   function zoomToBoundingSphere(boundingSphere) {
     // If offset was originally undefined then give it base value instead of empty object
@@ -2273,7 +2262,7 @@ function updateZoomTarget(viewer) {
       zoomOptions.offset = new HeadingPitchRange(
         0.0,
         -0.5,
-        boundingSphere.radius
+        boundingSphere.radius,
       );
     }
 
@@ -2309,12 +2298,12 @@ function updateZoomTarget(viewer) {
     }
 
     // Otherwise, the first "frame" needs to have been rendered
-    const removeEventListener = target.frameChanged.addEventListener(function (
-      timeDynamicPointCloud
-    ) {
-      zoomToBoundingSphere(timeDynamicPointCloud.boundingSphere);
-      removeEventListener();
-    });
+    const removeEventListener = target.frameChanged.addEventListener(
+      function (timeDynamicPointCloud) {
+        zoomToBoundingSphere(timeDynamicPointCloud.boundingSphere);
+        removeEventListener();
+      },
+    );
     return;
   }
 
@@ -2354,7 +2343,7 @@ function updateZoomTarget(viewer) {
     const state = viewer._dataSourceDisplay.getBoundingSphere(
       entities[i],
       false,
-      boundingSphereScratch
+      boundingSphereScratch,
     );
 
     if (state === BoundingSphereState.PENDING) {
@@ -2408,7 +2397,7 @@ function updateTrackedEntity(viewer) {
   //computed. In this case, we will track the entity once it comes back into existence.
   const currentPosition = Property.getValueOrUndefined(
     trackedEntity.position,
-    currentTime
+    currentTime,
   );
 
   if (!defined(currentPosition)) {
@@ -2420,7 +2409,7 @@ function updateTrackedEntity(viewer) {
   const state = viewer._dataSourceDisplay.getBoundingSphere(
     trackedEntity,
     false,
-    boundingSphereScratch
+    boundingSphereScratch,
   );
   if (state === BoundingSphereState.PENDING) {
     return;
diff --git a/packages/widgets/Source/Viewer/viewerDragDropMixin.js b/packages/widgets/Source/Viewer/viewerDragDropMixin.js
index 24f6b896f50c..32db22f5ed8f 100644
--- a/packages/widgets/Source/Viewer/viewerDragDropMixin.js
+++ b/packages/widgets/Source/Viewer/viewerDragDropMixin.js
@@ -48,7 +48,7 @@ function viewerDragDropMixin(viewer, options) {
   }
   if (viewer.hasOwnProperty("dropEnabled")) {
     throw new DeveloperError(
-      "dropEnabled is already defined by another mixin."
+      "dropEnabled is already defined by another mixin.",
     );
   }
   if (viewer.hasOwnProperty("dropError")) {
@@ -56,25 +56,25 @@ function viewerDragDropMixin(viewer, options) {
   }
   if (viewer.hasOwnProperty("clearOnDrop")) {
     throw new DeveloperError(
-      "clearOnDrop is already defined by another mixin."
+      "clearOnDrop is already defined by another mixin.",
     );
   }
   if (viewer.hasOwnProperty("flyToOnDrop")) {
     throw new DeveloperError(
-      "flyToOnDrop is already defined by another mixin."
+      "flyToOnDrop is already defined by another mixin.",
     );
   }
   //>>includeEnd('debug');
 
-  options = defaultValue(options, defaultValue.EMPTY_OBJECT);
+  options = options ?? defaultValue.EMPTY_OBJECT;
 
   //Local variables to be closed over by defineProperties.
   let dropEnabled = true;
-  let flyToOnDrop = defaultValue(options.flyToOnDrop, true);
+  let flyToOnDrop = options.flyToOnDrop ?? true;
   const dropError = new Event();
-  let clearOnDrop = defaultValue(options.clearOnDrop, true);
-  let dropTarget = defaultValue(options.dropTarget, viewer.container);
-  let clampToGround = defaultValue(options.clampToGround, true);
+  let clearOnDrop = options.clearOnDrop ?? true;
+  let dropTarget = options.dropTarget ?? viewer.container;
+  let clampToGround = options.clampToGround ?? true;
   let proxy = options.proxy;
 
   dropTarget = getElement(dropTarget);
@@ -283,7 +283,7 @@ function createOnLoadCallback(viewer, file, proxy, clampToGround) {
         viewer.dropError.raiseEvent(
           viewer,
           fileName,
-          `Unrecognized file: ${fileName}`
+          `Unrecognized file: ${fileName}`,
         );
         return;
       }
diff --git a/packages/widgets/Source/Viewer/viewerPerformanceWatchdogMixin.js b/packages/widgets/Source/Viewer/viewerPerformanceWatchdogMixin.js
index accaf51a8d55..c6b557a8686c 100644
--- a/packages/widgets/Source/Viewer/viewerPerformanceWatchdogMixin.js
+++ b/packages/widgets/Source/Viewer/viewerPerformanceWatchdogMixin.js
@@ -28,7 +28,7 @@ function viewerPerformanceWatchdogMixin(viewer, options) {
   }
   //>>includeEnd('debug');
 
-  options = defaultValue(options, defaultValue.EMPTY_OBJECT);
+  options = options ?? defaultValue.EMPTY_OBJECT;
 
   const performanceWatchdog = new PerformanceWatchdog({
     scene: viewer.scene,
diff --git a/packages/widgets/Source/createCommand.js b/packages/widgets/Source/createCommand.js
index 305905a3c9c3..f98d7ecacac9 100644
--- a/packages/widgets/Source/createCommand.js
+++ b/packages/widgets/Source/createCommand.js
@@ -1,4 +1,4 @@
-import { defaultValue, defined, DeveloperError, Event } from "@cesium/engine";
+import { defined, DeveloperError, Event } from "@cesium/engine";
 import knockout from "./ThirdParty/knockout.js";
 
 /**
@@ -21,7 +21,7 @@ function createCommand(func, canExecute) {
   }
   //>>includeEnd('debug');
 
-  canExecute = defaultValue(canExecute, true);
+  canExecute = canExecute ?? true;
 
   const beforeExecute = new Event();
   const afterExecute = new Event();
diff --git a/packages/widgets/Specs/createViewer.js b/packages/widgets/Specs/createViewer.js
index 6a55487f99aa..bcc65f813c6a 100644
--- a/packages/widgets/Specs/createViewer.js
+++ b/packages/widgets/Specs/createViewer.js
@@ -1,12 +1,11 @@
-import { defaultValue } from "@cesium/engine";
 import { Viewer } from "../index.js";
 
 import getWebGLStub from "../../../Specs/getWebGLStub.js";
 
 function createViewer(container, options) {
-  options = defaultValue(options, {});
-  options.contextOptions = defaultValue(options.contextOptions, {});
-  options.contextOptions.webgl = defaultValue(options.contextOptions.webgl, {});
+  options = options ?? {};
+  options.contextOptions = options.contextOptions ?? {};
+  options.contextOptions.webgl = options.contextOptions.webgl ?? {};
   if (!!window.webglStub) {
     options.contextOptions.getWebGLStub = getWebGLStub;
   }

From 76f02a92fac6140a704ef73bf71c5f117480f80d Mon Sep 17 00:00:00 2001
From: David Brown <d.boyer.brown@gmail.com>
Date: Thu, 19 Sep 2024 22:20:54 -0400
Subject: [PATCH 2/3] fixed errors

- accidentally changed createDefaultTerrainProviderViewModels() to createDefaultTerrainProviderViewModels
---
 packages/widgets/Source/Viewer/Viewer.js | 112 ++++++++++++-----------
 1 file changed, 57 insertions(+), 55 deletions(-)

diff --git a/packages/widgets/Source/Viewer/Viewer.js b/packages/widgets/Source/Viewer/Viewer.js
index 14dff625f1da..f1d9612e785a 100644
--- a/packages/widgets/Source/Viewer/Viewer.js
+++ b/packages/widgets/Source/Viewer/Viewer.js
@@ -152,7 +152,7 @@ function trackDataSourceClock(timeline, clock, dataSource) {
           stopTime = JulianDate.addSeconds(
             startTime,
             CesiumMath.EPSILON2,
-            scratchStopTime,
+            scratchStopTime
           );
         }
         timeline.updateFromClock();
@@ -167,8 +167,10 @@ const cartesian3Scratch = new Cartesian3();
 function pickImageryLayerFeature(viewer, windowPosition) {
   const scene = viewer.scene;
   const pickRay = scene.camera.getPickRay(windowPosition);
-  const imageryLayerFeaturePromise =
-    scene.imageryLayers.pickImageryLayerFeatures(pickRay, scene);
+  const imageryLayerFeaturePromise = scene.imageryLayers.pickImageryLayerFeatures(
+    pickRay,
+    scene
+  );
   if (!defined(imageryLayerFeaturePromise)) {
     return;
   }
@@ -202,7 +204,7 @@ function pickImageryLayerFeature(viewer, windowPosition) {
       if (defined(feature.position)) {
         const ecfPosition = viewer.scene.ellipsoid.cartographicToCartesian(
           feature.position,
-          cartesian3Scratch,
+          cartesian3Scratch
         );
         entity.position = new ConstantPositionProperty(ecfPosition);
       }
@@ -215,7 +217,7 @@ function pickImageryLayerFeature(viewer, windowPosition) {
         return;
       }
       viewer.selectedEntity = createNoFeaturesEntity();
-    },
+    }
   );
 
   return loadingMessage;
@@ -430,7 +432,7 @@ function Viewer(container, options) {
   ) {
     throw new DeveloperError(
       "options.selectedImageryProviderViewModel is not available when not using the BaseLayerPicker widget. \
-Either specify options.baseLayer instead or set options.baseLayerPicker to true.",
+Either specify options.baseLayer instead or set options.baseLayerPicker to true."
     );
   }
 
@@ -441,7 +443,7 @@ Either specify options.baseLayer instead or set options.baseLayerPicker to true.
   ) {
     throw new DeveloperError(
       "options.selectedTerrainProviderViewModel is not available when not using the BaseLayerPicker widget. \
-Either specify options.terrainProvider instead or set options.baseLayerPicker to true.",
+Either specify options.terrainProvider instead or set options.baseLayerPicker to true."
     );
   }
   //>>includeEnd('debug')
@@ -549,7 +551,7 @@ Either specify options.terrainProvider instead or set options.baseLayerPicker to
     viewerContainer.appendChild(selectionIndicatorContainer);
     selectionIndicator = new SelectionIndicator(
       selectionIndicatorContainer,
-      scene,
+      scene
     );
   }
 
@@ -565,12 +567,12 @@ Either specify options.terrainProvider instead or set options.baseLayerPicker to
     eventHelper.add(
       infoBoxViewModel.cameraClicked,
       Viewer.prototype._onInfoBoxCameraClicked,
-      this,
+      this
     );
     eventHelper.add(
       infoBoxViewModel.closeClicked,
       Viewer.prototype._onInfoBoxClockClicked,
-      this,
+      this
     );
   }
 
@@ -600,7 +602,7 @@ Either specify options.terrainProvider instead or set options.baseLayerPicker to
     eventHelper.add(
       geocoder.viewModel.search.beforeExecute,
       Viewer.prototype._clearObjects,
-      this,
+      this
     );
   }
 
@@ -621,7 +623,7 @@ Either specify options.terrainProvider instead or set options.baseLayerPicker to
     eventHelper.add(
       homeButton.viewModel.command.beforeExecute,
       Viewer.prototype._clearTrackedObject,
-      this,
+      this
     );
   }
 
@@ -631,7 +633,7 @@ Either specify options.terrainProvider instead or set options.baseLayerPicker to
   //>>includeStart('debug', pragmas.debug);
   if (options.sceneModePicker === true && scene3DOnly) {
     throw new DeveloperError(
-      "options.sceneModePicker is not available when options.scene3DOnly is set to true.",
+      "options.sceneModePicker is not available when options.scene3DOnly is set to true."
     );
   }
   //>>includeEnd('debug');
@@ -658,7 +660,7 @@ Either specify options.terrainProvider instead or set options.baseLayerPicker to
       createDefaultImageryProviderViewModels();
     const terrainProviderViewModels =
       options.terrainProviderViewModels ??
-      createDefaultTerrainProviderViewModels;
+      createDefaultTerrainProviderViewModels();
 
     baseLayerPicker = new BaseLayerPicker(toolbar, {
       globe: scene.globe,
@@ -672,7 +674,7 @@ Either specify options.terrainProvider instead or set options.baseLayerPicker to
 
     //Grab the dropdown for resize code.
     const elements = toolbar.getElementsByClassName(
-      "cesium-baseLayerPicker-dropDown",
+      "cesium-baseLayerPicker-dropDown"
     );
     baseLayerPickerDropDown = elements[0];
   }
@@ -697,7 +699,7 @@ Either specify options.terrainProvider instead or set options.baseLayerPicker to
     //>>includeStart('debug', pragmas.debug);
     if (defined(options.terrainProvider)) {
       throw new DeveloperError(
-        "Specify either options.terrainProvider or options.terrain.",
+        "Specify either options.terrainProvider or options.terrain."
       );
     }
     //>>includeEnd('debug')
@@ -721,7 +723,7 @@ Either specify options.terrainProvider instead or set options.baseLayerPicker to
       //window.localStorage is null if disabled in Firefox or undefined in browsers with implementation
       if (defined(window.localStorage)) {
         const hasSeenNavHelp = window.localStorage.getItem(
-          "cesium-hasSeenNavHelp",
+          "cesium-hasSeenNavHelp"
         );
         if (defined(hasSeenNavHelp) && Boolean(hasSeenNavHelp)) {
           showNavHelp = false;
@@ -748,7 +750,7 @@ Either specify options.terrainProvider instead or set options.baseLayerPicker to
     viewerContainer.appendChild(animationContainer);
     animation = new Animation(
       animationContainer,
-      new AnimationViewModel(clockViewModel),
+      new AnimationViewModel(clockViewModel)
     );
   }
 
@@ -776,7 +778,7 @@ Either specify options.terrainProvider instead or set options.baseLayerPicker to
     viewerContainer.appendChild(fullscreenContainer);
     fullscreenButton = new FullscreenButton(
       fullscreenContainer,
-      options.fullscreenElement,
+      options.fullscreenElement
     );
 
     //Subscribe to fullscreenButton.viewModel.isFullscreenEnabled so
@@ -792,7 +794,7 @@ Either specify options.terrainProvider instead or set options.baseLayerPicker to
           timeline.container.style.right = `${fullscreenContainer.clientWidth}px`;
           timeline.resize();
         }
-      },
+      }
     );
   }
 
@@ -818,7 +820,7 @@ Either specify options.terrainProvider instead or set options.baseLayerPicker to
           timeline.container.style.right = `${vrContainer.clientWidth}px`;
           timeline.resize();
         }
-      },
+      }
     );
 
     vrModeSubscription = subscribeAndEvaluate(
@@ -826,7 +828,7 @@ Either specify options.terrainProvider instead or set options.baseLayerPicker to
       "isVRMode",
       function (isVRMode) {
         enableVRUI(that, isVRMode);
-      },
+      }
     );
   }
 
@@ -888,12 +890,12 @@ Either specify options.terrainProvider instead or set options.baseLayerPicker to
   eventHelper.add(
     dataSourceCollection.dataSourceAdded,
     Viewer.prototype._onDataSourceAdded,
-    this,
+    this
   );
   eventHelper.add(
     dataSourceCollection.dataSourceRemoved,
     Viewer.prototype._onDataSourceRemoved,
-    this,
+    this
   );
 
   // Prior to each render, check if anything needs to be resized.
@@ -913,12 +915,12 @@ Either specify options.terrainProvider instead or set options.baseLayerPicker to
   eventHelper.add(
     dataSourceCollection.dataSourceAdded,
     Viewer.prototype._dataSourceAdded,
-    this,
+    this
   );
   eventHelper.add(
     dataSourceCollection.dataSourceRemoved,
     Viewer.prototype._dataSourceRemoved,
-    this,
+    this
   );
 
   // Subscribe to left clicks and zoom to the picked object.
@@ -944,11 +946,11 @@ Either specify options.terrainProvider instead or set options.baseLayerPicker to
 
   cesiumWidget.screenSpaceEventHandler.setInputAction(
     pickAndSelectObject,
-    ScreenSpaceEventType.LEFT_CLICK,
+    ScreenSpaceEventType.LEFT_CLICK
   );
   cesiumWidget.screenSpaceEventHandler.setInputAction(
     pickAndTrackObject,
-    ScreenSpaceEventType.LEFT_DOUBLE_CLICK,
+    ScreenSpaceEventType.LEFT_DOUBLE_CLICK
   );
 }
 
@@ -1738,10 +1740,10 @@ Viewer.prototype.destroy = function () {
     !this.screenSpaceEventHandler.isDestroyed()
   ) {
     this.screenSpaceEventHandler.removeInputAction(
-      ScreenSpaceEventType.LEFT_CLICK,
+      ScreenSpaceEventType.LEFT_CLICK
     );
     this.screenSpaceEventHandler.removeInputAction(
-      ScreenSpaceEventType.LEFT_DOUBLE_CLICK,
+      ScreenSpaceEventType.LEFT_DOUBLE_CLICK
     );
   }
 
@@ -1787,7 +1789,7 @@ Viewer.prototype.destroy = function () {
     this._timeline.removeEventListener(
       "settime",
       onTimelineScrubfunction,
-      false,
+      false
     );
     this._element.removeChild(this._timeline.container);
     this._timeline = this._timeline.destroy();
@@ -1834,12 +1836,12 @@ Viewer.prototype.destroy = function () {
  */
 Viewer.prototype._dataSourceAdded = function (
   dataSourceCollection,
-  dataSource,
+  dataSource
 ) {
   const entityCollection = dataSource.entities;
   entityCollection.collectionChanged.addEventListener(
     Viewer.prototype._onEntityCollectionChanged,
-    this,
+    this
   );
 };
 
@@ -1848,12 +1850,12 @@ Viewer.prototype._dataSourceAdded = function (
  */
 Viewer.prototype._dataSourceRemoved = function (
   dataSourceCollection,
-  dataSource,
+  dataSource
 ) {
   const entityCollection = dataSource.entities;
   entityCollection.collectionChanged.removeEventListener(
     Viewer.prototype._onEntityCollectionChanged,
-    this,
+    this
   );
 
   if (defined(this.trackedEntity)) {
@@ -1890,7 +1892,7 @@ Viewer.prototype._onTick = function (clock) {
     const trackedState = this._dataSourceDisplay.getBoundingSphere(
       trackedEntity,
       false,
-      boundingSphereScratch,
+      boundingSphereScratch
     );
     if (trackedState === BoundingSphereState.DONE) {
       entityView.update(time, boundingSphereScratch);
@@ -1910,7 +1912,7 @@ Viewer.prototype._onTick = function (clock) {
     const state = this._dataSourceDisplay.getBoundingSphere(
       selectedEntity,
       true,
-      boundingSphereScratch,
+      boundingSphereScratch
     );
     if (state !== BoundingSphereState.FAILED) {
       position = boundingSphereScratch.center;
@@ -1926,7 +1928,7 @@ Viewer.prototype._onTick = function (clock) {
   if (defined(selectionIndicatorViewModel)) {
     selectionIndicatorViewModel.position = Cartesian3.clone(
       position,
-      selectionIndicatorViewModel.position,
+      selectionIndicatorViewModel.position
     );
     selectionIndicatorViewModel.showSelection = showSelection && enableCamera;
     selectionIndicatorViewModel.update();
@@ -1946,7 +1948,7 @@ Viewer.prototype._onTick = function (clock) {
       infoBoxViewModel.description = Property.getValueOrDefault(
         selectedEntity.description,
         time,
-        "",
+        ""
       );
     } else {
       infoBoxViewModel.titleText = "";
@@ -1961,7 +1963,7 @@ Viewer.prototype._onTick = function (clock) {
 Viewer.prototype._onEntityCollectionChanged = function (
   collection,
   added,
-  removed,
+  removed
 ) {
   const length = removed.length;
   for (let i = 0; i < length; i++) {
@@ -2031,7 +2033,7 @@ Viewer.prototype._onDataSourceChanged = function (dataSource) {
  */
 Viewer.prototype._onDataSourceAdded = function (
   dataSourceCollection,
-  dataSource,
+  dataSource
 ) {
   if (this._automaticallyTrackDataSourceClocks) {
     this.clockTrackedDataSource = dataSource;
@@ -2040,7 +2042,7 @@ Viewer.prototype._onDataSourceAdded = function (
   const removalFunc = this._eventHelper.add(
     dataSource.changedEvent,
     Viewer.prototype._onDataSourceChanged,
-    this,
+    this
   );
   this._dataSourceChangedListeners[id] = removalFunc;
 };
@@ -2050,7 +2052,7 @@ Viewer.prototype._onDataSourceAdded = function (
  */
 Viewer.prototype._onDataSourceRemoved = function (
   dataSourceCollection,
-  dataSource,
+  dataSource
 ) {
   const resetClock = this.clockTrackedDataSource === dataSource;
   const id = dataSource.entities.id;
@@ -2060,7 +2062,7 @@ Viewer.prototype._onDataSourceRemoved = function (
     const numDataSources = dataSourceCollection.length;
     if (this._automaticallyTrackDataSourceClocks && numDataSources > 0) {
       this.clockTrackedDataSource = dataSourceCollection.get(
-        numDataSources - 1,
+        numDataSources - 1
       );
     } else {
       this.clockTrackedDataSource = undefined;
@@ -2254,7 +2256,7 @@ function updateZoomTarget(viewer) {
 
   const scene = viewer.scene;
   const camera = scene.camera;
-  const zoomOptions = viewer._zoomOptions ?? {};
+  const zoomOptions = viewer._zoomOptions ?? defaultValue.EMPTY_OBJECT;
   let options;
   function zoomToBoundingSphere(boundingSphere) {
     // If offset was originally undefined then give it base value instead of empty object
@@ -2262,7 +2264,7 @@ function updateZoomTarget(viewer) {
       zoomOptions.offset = new HeadingPitchRange(
         0.0,
         -0.5,
-        boundingSphere.radius,
+        boundingSphere.radius
       );
     }
 
@@ -2298,12 +2300,12 @@ function updateZoomTarget(viewer) {
     }
 
     // Otherwise, the first "frame" needs to have been rendered
-    const removeEventListener = target.frameChanged.addEventListener(
-      function (timeDynamicPointCloud) {
-        zoomToBoundingSphere(timeDynamicPointCloud.boundingSphere);
-        removeEventListener();
-      },
-    );
+    const removeEventListener = target.frameChanged.addEventListener(function (
+      timeDynamicPointCloud
+    ) {
+      zoomToBoundingSphere(timeDynamicPointCloud.boundingSphere);
+      removeEventListener();
+    });
     return;
   }
 
@@ -2343,7 +2345,7 @@ function updateZoomTarget(viewer) {
     const state = viewer._dataSourceDisplay.getBoundingSphere(
       entities[i],
       false,
-      boundingSphereScratch,
+      boundingSphereScratch
     );
 
     if (state === BoundingSphereState.PENDING) {
@@ -2397,7 +2399,7 @@ function updateTrackedEntity(viewer) {
   //computed. In this case, we will track the entity once it comes back into existence.
   const currentPosition = Property.getValueOrUndefined(
     trackedEntity.position,
-    currentTime,
+    currentTime
   );
 
   if (!defined(currentPosition)) {
@@ -2409,7 +2411,7 @@ function updateTrackedEntity(viewer) {
   const state = viewer._dataSourceDisplay.getBoundingSphere(
     trackedEntity,
     false,
-    boundingSphereScratch,
+    boundingSphereScratch
   );
   if (state === BoundingSphereState.PENDING) {
     return;

From c6feb271981063a1a31208ab80b891b5c0514348 Mon Sep 17 00:00:00 2001
From: David Brown <d.boyer.brown@gmail.com>
Date: Fri, 20 Sep 2024 09:53:32 -0400
Subject: [PATCH 3/3] ran prettier to fix formatting

---
 .../Source/DataSources/BillboardGraphics.js   |   6 +-
 .../engine/Source/DataSources/BoxGraphics.js  |   6 +-
 .../DataSources/ConstantPositionProperty.js   |   4 +-
 .../Source/DataSources/KmlDataSource.js       | 422 +++++++++---------
 .../BaseLayerPickerViewModel.js               |  13 +-
 .../FullscreenButtonViewModel.js              |  17 +-
 .../Source/Geocoder/GeocoderViewModel.js      |  12 +-
 packages/widgets/Source/InspectorShared.js    |  16 +-
 .../NavigationHelpButton.js                   |  26 +-
 .../PerformanceWatchdogViewModel.js           |   4 +-
 .../SelectionIndicatorViewModel.js            |   8 +-
 .../Source/Timeline/TimelineHighlightRange.js |   8 +-
 .../Source/VRButton/VRButtonViewModel.js      |   9 +-
 .../Source/Viewer/viewerDragDropMixin.js      |   8 +-
 14 files changed, 277 insertions(+), 282 deletions(-)

diff --git a/packages/engine/Source/DataSources/BillboardGraphics.js b/packages/engine/Source/DataSources/BillboardGraphics.js
index c42a9bf53263..6cf66e33e2e5 100644
--- a/packages/engine/Source/DataSources/BillboardGraphics.js
+++ b/packages/engine/Source/DataSources/BillboardGraphics.js
@@ -302,7 +302,7 @@ Object.defineProperties(BillboardGraphics.prototype, {
    * @type {Property|undefined}
    */
   pixelOffsetScaleByDistance: createPropertyDescriptor(
-    "pixelOffsetScaleByDistance",
+    "pixelOffsetScaleByDistance"
   ),
 
   /**
@@ -320,7 +320,7 @@ Object.defineProperties(BillboardGraphics.prototype, {
    * @type {Property|undefined}
    */
   distanceDisplayCondition: createPropertyDescriptor(
-    "distanceDisplayCondition",
+    "distanceDisplayCondition"
   ),
 
   /**
@@ -330,7 +330,7 @@ Object.defineProperties(BillboardGraphics.prototype, {
    * @type {Property|undefined}
    */
   disableDepthTestDistance: createPropertyDescriptor(
-    "disableDepthTestDistance",
+    "disableDepthTestDistance"
   ),
 
   /**
diff --git a/packages/engine/Source/DataSources/BoxGraphics.js b/packages/engine/Source/DataSources/BoxGraphics.js
index 4b8cd59918e6..cd7e7df30f72 100644
--- a/packages/engine/Source/DataSources/BoxGraphics.js
+++ b/packages/engine/Source/DataSources/BoxGraphics.js
@@ -153,7 +153,7 @@ Object.defineProperties(BoxGraphics.prototype, {
    * @type {Property|undefined}
    */
   distanceDisplayCondition: createPropertyDescriptor(
-    "distanceDisplayCondition",
+    "distanceDisplayCondition"
   ),
 });
 
@@ -197,7 +197,7 @@ BoxGraphics.prototype.merge = function (source) {
   this.dimensions = defaultValue(this.dimensions, source.dimensions);
   this.heightReference = defaultValue(
     this.heightReference,
-    source.heightReference,
+    source.heightReference
   );
   this.fill = defaultValue(this.fill, source.fill);
   this.material = defaultValue(this.material, source.material);
@@ -207,7 +207,7 @@ BoxGraphics.prototype.merge = function (source) {
   this.shadows = defaultValue(this.shadows, source.shadows);
   this.distanceDisplayCondition = defaultValue(
     this.distanceDisplayCondition,
-    source.distanceDisplayCondition,
+    source.distanceDisplayCondition
   );
 };
 export default BoxGraphics;
diff --git a/packages/engine/Source/DataSources/ConstantPositionProperty.js b/packages/engine/Source/DataSources/ConstantPositionProperty.js
index 3069f8750fc3..0195059b2c13 100644
--- a/packages/engine/Source/DataSources/ConstantPositionProperty.js
+++ b/packages/engine/Source/DataSources/ConstantPositionProperty.js
@@ -113,7 +113,7 @@ ConstantPositionProperty.prototype.setValue = function (value, referenceFrame) {
 ConstantPositionProperty.prototype.getValueInReferenceFrame = function (
   time,
   referenceFrame,
-  result,
+  result
 ) {
   //>>includeStart('debug', pragmas.debug);
   if (!defined(time)) {
@@ -129,7 +129,7 @@ ConstantPositionProperty.prototype.getValueInReferenceFrame = function (
     this._value,
     this._referenceFrame,
     referenceFrame,
-    result,
+    result
   );
 };
 
diff --git a/packages/engine/Source/DataSources/KmlDataSource.js b/packages/engine/Source/DataSources/KmlDataSource.js
index 4238e91993e5..4da574751877 100644
--- a/packages/engine/Source/DataSources/KmlDataSource.js
+++ b/packages/engine/Source/DataSources/KmlDataSource.js
@@ -319,7 +319,7 @@ function isZipFile(blob) {
   const reader = new FileReader();
   reader.addEventListener("load", function () {
     deferred.resolve(
-      new DataView(reader.result).getUint32(0, false) === 0x504b0304,
+      new DataView(reader.result).getUint32(0, false) === 0x504b0304
     );
   });
   reader.addEventListener("error", function () {
@@ -391,13 +391,13 @@ function removeDuplicateNamespaces(text) {
 }
 
 function loadXmlFromZip(entry, uriResolver) {
-  return Promise.resolve(entry.getData(new zip.TextWriter())).then(
-    function (text) {
-      text = insertNamespaces(text);
-      text = removeDuplicateNamespaces(text);
-      uriResolver.kml = parser.parseFromString(text, "application/xml");
-    },
-  );
+  return Promise.resolve(entry.getData(new zip.TextWriter())).then(function (
+    text
+  ) {
+    text = insertNamespaces(text);
+    text = removeDuplicateNamespaces(text);
+    uriResolver.kml = parser.parseFromString(text, "application/xml");
+  });
 }
 
 function loadDataUriFromZip(entry, uriResolver) {
@@ -406,7 +406,7 @@ function loadDataUriFromZip(entry, uriResolver) {
   return Promise.resolve(entry.getData(new zip.Data64URIWriter(mimeType))).then(
     function (dataUri) {
       uriResolver[entry.filename] = dataUri;
-    },
+    }
   );
 }
 
@@ -718,7 +718,7 @@ function queryColorValue(node, tagName, namespace) {
   }
   return parseColorString(
     value,
-    queryStringValue(node, "colorMode", namespace) === "random",
+    queryStringValue(node, "colorMode", namespace) === "random"
   );
 }
 
@@ -741,7 +741,7 @@ function processTimeStamp(featureNode) {
     new TimeInterval({
       start: when,
       stop: Iso8601.MAXIMUM_VALUE,
-    }),
+    })
   );
   return result;
 }
@@ -774,7 +774,7 @@ function processTimeSpan(featureNode) {
       new TimeInterval({
         start: beginDate,
         stop: endDate,
-      }),
+      })
     );
   } else if (defined(beginDate)) {
     result = new TimeIntervalCollection();
@@ -782,7 +782,7 @@ function processTimeSpan(featureNode) {
       new TimeInterval({
         start: beginDate,
         stop: Iso8601.MAXIMUM_VALUE,
-      }),
+      })
     );
   } else if (defined(endDate)) {
     result = new TimeIntervalCollection();
@@ -790,7 +790,7 @@ function processTimeSpan(featureNode) {
       new TimeInterval({
         start: Iso8601.MINIMUM_VALUE,
         stop: endDate,
-      }),
+      })
     );
   }
 
@@ -805,13 +805,13 @@ function createDefaultBillboard() {
     BILLBOARD_NEAR_DISTANCE,
     BILLBOARD_NEAR_RATIO,
     BILLBOARD_FAR_DISTANCE,
-    BILLBOARD_FAR_RATIO,
+    BILLBOARD_FAR_RATIO
   );
   billboard.pixelOffsetScaleByDistance = new NearFarScalar(
     BILLBOARD_NEAR_DISTANCE,
     BILLBOARD_NEAR_RATIO,
     BILLBOARD_FAR_DISTANCE,
-    BILLBOARD_FAR_RATIO,
+    BILLBOARD_FAR_RATIO
   );
   return billboard;
 }
@@ -838,7 +838,7 @@ function getIconHref(
   dataSource,
   sourceResource,
   uriResolver,
-  canRefresh,
+  canRefresh
 ) {
   let href = queryStringValue(iconNode, "href", namespaces.kml);
   if (!defined(href) || href.length === 0) {
@@ -864,28 +864,28 @@ function getIconHref(
     const refreshMode = queryStringValue(
       iconNode,
       "refreshMode",
-      namespaces.kml,
+      namespaces.kml
     );
     const viewRefreshMode = queryStringValue(
       iconNode,
       "viewRefreshMode",
-      namespaces.kml,
+      namespaces.kml
     );
     if (refreshMode === "onInterval" || refreshMode === "onExpire") {
       oneTimeWarning(
         `kml-refreshMode-${refreshMode}`,
-        `KML - Unsupported Icon refreshMode: ${refreshMode}`,
+        `KML - Unsupported Icon refreshMode: ${refreshMode}`
       );
     } else if (viewRefreshMode === "onStop" || viewRefreshMode === "onRegion") {
       oneTimeWarning(
         `kml-refreshMode-${viewRefreshMode}`,
-        `KML - Unsupported Icon viewRefreshMode: ${viewRefreshMode}`,
+        `KML - Unsupported Icon viewRefreshMode: ${viewRefreshMode}`
       );
     }
 
     const viewBoundScale = defaultValue(
       queryStringValue(iconNode, "viewBoundScale", namespaces.kml),
-      1.0,
+      1.0
     );
     const defaultViewFormat =
       viewRefreshMode === "onStop"
@@ -893,7 +893,7 @@ function getIconHref(
         : "";
     const viewFormat = defaultValue(
       queryStringValue(iconNode, "viewFormat", namespaces.kml),
-      defaultViewFormat,
+      defaultViewFormat
     );
     const httpQuery = queryStringValue(iconNode, "httpQuery", namespaces.kml);
     if (defined(viewFormat)) {
@@ -910,7 +910,7 @@ function getIconHref(
       dataSource.canvas,
       viewBoundScale,
       dataSource._lastCameraView.bbox,
-      ellipsoid,
+      ellipsoid
     );
 
     return hrefResource;
@@ -924,7 +924,7 @@ function processBillboardIcon(
   node,
   targetEntity,
   sourceResource,
-  uriResolver,
+  uriResolver
 ) {
   let scale = queryNumericValue(node, "scale", namespaces.kml);
   const heading = queryNumericValue(node, "heading", namespaces.kml);
@@ -936,7 +936,7 @@ function processBillboardIcon(
     dataSource,
     sourceResource,
     uriResolver,
-    false,
+    false
   );
 
   // If icon tags are present but blank, we do not want to show an icon
@@ -1017,7 +1017,7 @@ function applyStyle(
   styleNode,
   targetEntity,
   sourceResource,
-  uriResolver,
+  uriResolver
 ) {
   for (let i = 0, len = styleNode.childNodes.length; i < len; i++) {
     const node = styleNode.childNodes.item(i);
@@ -1027,7 +1027,7 @@ function applyStyle(
         node,
         targetEntity,
         sourceResource,
-        uriResolver,
+        uriResolver
       );
     } else if (node.localName === "LabelStyle") {
       let label = targetEntity.label;
@@ -1037,11 +1037,11 @@ function applyStyle(
       }
       label.scale = defaultValue(
         queryNumericValue(node, "scale", namespaces.kml),
-        label.scale,
+        label.scale
       );
       label.fillColor = defaultValue(
         queryColorValue(node, "color", namespaces.kml),
-        label.fillColor,
+        label.fillColor
       );
       label.text = targetEntity.name;
     } else if (node.localName === "LineStyle") {
@@ -1055,25 +1055,25 @@ function applyStyle(
       if (defined(queryColorValue(node, "outerColor", namespaces.gx))) {
         oneTimeWarning(
           "kml-gx:outerColor",
-          "KML - gx:outerColor is not supported in a LineStyle",
+          "KML - gx:outerColor is not supported in a LineStyle"
         );
       }
       if (defined(queryNumericValue(node, "outerWidth", namespaces.gx))) {
         oneTimeWarning(
           "kml-gx:outerWidth",
-          "KML - gx:outerWidth is not supported in a LineStyle",
+          "KML - gx:outerWidth is not supported in a LineStyle"
         );
       }
       if (defined(queryNumericValue(node, "physicalWidth", namespaces.gx))) {
         oneTimeWarning(
           "kml-gx:physicalWidth",
-          "KML - gx:physicalWidth is not supported in a LineStyle",
+          "KML - gx:physicalWidth is not supported in a LineStyle"
         );
       }
       if (defined(queryBooleanValue(node, "labelVisibility", namespaces.gx))) {
         oneTimeWarning(
           "kml-gx:labelVisibility",
-          "KML - gx:labelVisibility is not supported in a LineStyle",
+          "KML - gx:labelVisibility is not supported in a LineStyle"
         );
       }
     } else if (node.localName === "PolyStyle") {
@@ -1084,24 +1084,24 @@ function applyStyle(
       }
       polygon.material = defaultValue(
         queryColorValue(node, "color", namespaces.kml),
-        polygon.material,
+        polygon.material
       );
       polygon.fill = defaultValue(
         queryBooleanValue(node, "fill", namespaces.kml),
-        polygon.fill,
+        polygon.fill
       );
       polygon.outline = defaultValue(
         queryBooleanValue(node, "outline", namespaces.kml),
-        polygon.outline,
+        polygon.outline
       );
     } else if (node.localName === "BalloonStyle") {
       const bgColor = defaultValue(
         parseColorString(queryStringValue(node, "bgColor", namespaces.kml)),
-        Color.WHITE,
+        Color.WHITE
       );
       const textColor = defaultValue(
         parseColorString(queryStringValue(node, "textColor", namespaces.kml)),
-        Color.BLACK,
+        Color.BLACK
       );
       const text = queryStringValue(node, "text", namespaces.kml);
 
@@ -1117,12 +1117,12 @@ function applyStyle(
       const listItemType = queryStringValue(
         node,
         "listItemType",
-        namespaces.kml,
+        namespaces.kml
       );
       if (listItemType === "radioFolder" || listItemType === "checkOffOnly") {
         oneTimeWarning(
           `kml-listStyle-${listItemType}`,
-          `KML - Unsupported ListStyle with listItemType: ${listItemType}`,
+          `KML - Unsupported ListStyle with listItemType: ${listItemType}`
         );
       }
     }
@@ -1135,7 +1135,7 @@ function computeFinalStyle(
   placeMark,
   styleCollection,
   sourceResource,
-  uriResolver,
+  uriResolver
 ) {
   const result = new Entity();
   let styleEntity;
@@ -1159,7 +1159,7 @@ function computeFinalStyle(
         inlineStyleNode,
         result,
         sourceResource,
-        uriResolver,
+        uriResolver
       );
     } else {
       // StyleMap
@@ -1184,7 +1184,7 @@ function computeFinalStyle(
         } else {
           oneTimeWarning(
             `kml-styleMap-${key}`,
-            `KML - Unsupported StyleMap key: ${key}`,
+            `KML - Unsupported StyleMap key: ${key}`
           );
         }
       }
@@ -1234,7 +1234,7 @@ function processStyles(
   styleCollection,
   sourceResource,
   isExternal,
-  uriResolver,
+  uriResolver
 ) {
   let i;
   let id;
@@ -1262,7 +1262,7 @@ function processStyles(
             node,
             styleEntity,
             sourceResource,
-            uriResolver,
+            uriResolver
           );
         }
       }
@@ -1309,14 +1309,14 @@ function processStyles(
                   node,
                   styleEntity,
                   sourceResource,
-                  uriResolver,
+                  uriResolver
                 );
               }
             }
           } else {
             oneTimeWarning(
               `kml-styleMap-${key}`,
-              `KML - Unsupported StyleMap key: ${key}`,
+              `KML - Unsupported StyleMap key: ${key}`
             );
           }
         }
@@ -1342,7 +1342,7 @@ function processStyles(
         });
 
         promises.push(
-          processExternalStyles(dataSource, resource, styleCollection),
+          processExternalStyles(dataSource, resource, styleCollection)
         );
       }
     }
@@ -1384,7 +1384,7 @@ function heightReferenceFromAltitudeMode(altitudeMode, gxAltitudeMode) {
   if (gxAltitudeMode === "clampToSeaFloor") {
     oneTimeWarning(
       "kml-gx:altitudeMode-clampToSeaFloor",
-      "KML - <gx:altitudeMode>:clampToSeaFloor is currently not supported, using <kml:altitudeMode>:clampToGround.",
+      "KML - <gx:altitudeMode>:clampToSeaFloor is currently not supported, using <kml:altitudeMode>:clampToGround."
     );
     return HeightReference.CLAMP_TO_GROUND;
   }
@@ -1392,7 +1392,7 @@ function heightReferenceFromAltitudeMode(altitudeMode, gxAltitudeMode) {
   if (gxAltitudeMode === "relativeToSeaFloor") {
     oneTimeWarning(
       "kml-gx:altitudeMode-relativeToSeaFloor",
-      "KML - <gx:altitudeMode>:relativeToSeaFloor is currently not supported, using <kml:altitudeMode>:relativeToGround.",
+      "KML - <gx:altitudeMode>:relativeToSeaFloor is currently not supported, using <kml:altitudeMode>:relativeToGround."
     );
     return HeightReference.RELATIVE_TO_GROUND;
   }
@@ -1400,12 +1400,12 @@ function heightReferenceFromAltitudeMode(altitudeMode, gxAltitudeMode) {
   if (defined(altitudeMode)) {
     oneTimeWarning(
       "kml-altitudeMode-unknown",
-      `KML - Unknown <kml:altitudeMode>:${altitudeMode}, using <kml:altitudeMode>:CLAMP_TO_GROUND.`,
+      `KML - Unknown <kml:altitudeMode>:${altitudeMode}, using <kml:altitudeMode>:CLAMP_TO_GROUND.`
     );
   } else {
     oneTimeWarning(
       "kml-gx:altitudeMode-unknown",
-      `KML - Unknown <gx:altitudeMode>:${gxAltitudeMode}, using <kml:altitudeMode>:CLAMP_TO_GROUND.`,
+      `KML - Unknown <gx:altitudeMode>:${gxAltitudeMode}, using <kml:altitudeMode>:CLAMP_TO_GROUND.`
     );
   }
 
@@ -1416,7 +1416,7 @@ function heightReferenceFromAltitudeMode(altitudeMode, gxAltitudeMode) {
 function createPositionPropertyFromAltitudeMode(
   property,
   altitudeMode,
-  gxAltitudeMode,
+  gxAltitudeMode
 ) {
   if (
     gxAltitudeMode === "relativeToSeaFloor" ||
@@ -1435,8 +1435,8 @@ function createPositionPropertyFromAltitudeMode(
       "kml-altitudeMode-unknown",
       `KML - Unknown altitudeMode: ${defaultValue(
         altitudeMode,
-        gxAltitudeMode,
-      )}`,
+        gxAltitudeMode
+      )}`
     );
   }
 
@@ -1448,7 +1448,7 @@ function createPositionPropertyArrayFromAltitudeMode(
   properties,
   altitudeMode,
   gxAltitudeMode,
-  ellipsoid,
+  ellipsoid
 ) {
   if (!defined(properties)) {
     return undefined;
@@ -1471,8 +1471,8 @@ function createPositionPropertyArrayFromAltitudeMode(
       "kml-altitudeMode-unknown",
       `KML - Unknown altitudeMode: ${defaultValue(
         altitudeMode,
-        gxAltitudeMode,
-      )}`,
+        gxAltitudeMode
+      )}`
     );
   }
 
@@ -1489,7 +1489,7 @@ function processPositionGraphics(
   dataSource,
   entity,
   styleEntity,
-  heightReference,
+  heightReference
 ) {
   let label = entity.label;
   if (!defined(label)) {
@@ -1556,22 +1556,22 @@ function processPoint(
   entityCollection,
   geometryNode,
   entity,
-  styleEntity,
+  styleEntity
 ) {
   const coordinatesString = queryStringValue(
     geometryNode,
     "coordinates",
-    namespaces.kml,
+    namespaces.kml
   );
   const altitudeMode = queryStringValue(
     geometryNode,
     "altitudeMode",
-    namespaces.kml,
+    namespaces.kml
   );
   const gxAltitudeMode = queryStringValue(
     geometryNode,
     "altitudeMode",
-    namespaces.gx,
+    namespaces.gx
   );
   const extrude = queryBooleanValue(geometryNode, "extrude", namespaces.kml);
   const ellipsoid = dataSource._ellipsoid;
@@ -1582,7 +1582,7 @@ function processPoint(
     dataSource,
     entity,
     styleEntity,
-    heightReferenceFromAltitudeMode(altitudeMode, gxAltitudeMode),
+    heightReferenceFromAltitudeMode(altitudeMode, gxAltitudeMode)
   );
 
   if (extrude && isExtrudable(altitudeMode, gxAltitudeMode)) {
@@ -1597,28 +1597,28 @@ function processLineStringOrLinearRing(
   entityCollection,
   geometryNode,
   entity,
-  styleEntity,
+  styleEntity
 ) {
   const coordinatesNode = queryFirstNode(
     geometryNode,
     "coordinates",
-    namespaces.kml,
+    namespaces.kml
   );
   const altitudeMode = queryStringValue(
     geometryNode,
     "altitudeMode",
-    namespaces.kml,
+    namespaces.kml
   );
   const gxAltitudeMode = queryStringValue(
     geometryNode,
     "altitudeMode",
-    namespaces.gx,
+    namespaces.gx
   );
   const extrude = queryBooleanValue(geometryNode, "extrude", namespaces.kml);
   const tessellate = queryBooleanValue(
     geometryNode,
     "tessellate",
-    namespaces.kml,
+    namespaces.kml
   );
   const canExtrude = isExtrudable(altitudeMode, gxAltitudeMode);
   const zIndex = queryNumericValue(geometryNode, "drawOrder", namespaces.gx);
@@ -1668,13 +1668,13 @@ function processLineStringOrLinearRing(
     if (defined(zIndex)) {
       oneTimeWarning(
         "kml-gx:drawOrder",
-        "KML - gx:drawOrder is not supported in LineStrings when clampToGround is false",
+        "KML - gx:drawOrder is not supported in LineStrings when clampToGround is false"
       );
     }
     if (dataSource._clampToGround && !tessellate) {
       oneTimeWarning(
         "kml-line-tesselate",
-        "Ignoring clampToGround for KML lines without the tessellate flag.",
+        "Ignoring clampToGround for KML lines without the tessellate flag."
       );
     }
 
@@ -1684,7 +1684,7 @@ function processLineStringOrLinearRing(
       coordinates,
       altitudeMode,
       gxAltitudeMode,
-      ellipsoid,
+      ellipsoid
     );
     if (!tessellate || canExtrude) {
       polyline.arcType = ArcType.NONE;
@@ -1699,22 +1699,22 @@ function processPolygon(
   entityCollection,
   geometryNode,
   entity,
-  styleEntity,
+  styleEntity
 ) {
   const outerBoundaryIsNode = queryFirstNode(
     geometryNode,
     "outerBoundaryIs",
-    namespaces.kml,
+    namespaces.kml
   );
   let linearRingNode = queryFirstNode(
     outerBoundaryIsNode,
     "LinearRing",
-    namespaces.kml,
+    namespaces.kml
   );
   let coordinatesNode = queryFirstNode(
     linearRingNode,
     "coordinates",
-    namespaces.kml,
+    namespaces.kml
   );
   const ellipsoid = dataSource._ellipsoid;
   let coordinates = readCoordinates(coordinatesNode, ellipsoid);
@@ -1722,12 +1722,12 @@ function processPolygon(
   const altitudeMode = queryStringValue(
     geometryNode,
     "altitudeMode",
-    namespaces.kml,
+    namespaces.kml
   );
   const gxAltitudeMode = queryStringValue(
     geometryNode,
     "altitudeMode",
-    namespaces.gx,
+    namespaces.gx
   );
   const canExtrude = isExtrudable(altitudeMode, gxAltitudeMode);
 
@@ -1756,19 +1756,19 @@ function processPolygon(
     const innerBoundaryIsNodes = queryChildNodes(
       geometryNode,
       "innerBoundaryIs",
-      namespaces.kml,
+      namespaces.kml
     );
     for (let j = 0; j < innerBoundaryIsNodes.length; j++) {
       linearRingNode = queryChildNodes(
         innerBoundaryIsNodes[j],
         "LinearRing",
-        namespaces.kml,
+        namespaces.kml
       );
       for (let k = 0; k < linearRingNode.length; k++) {
         coordinatesNode = queryFirstNode(
           linearRingNode[k],
           "coordinates",
-          namespaces.kml,
+          namespaces.kml
         );
         coordinates = readCoordinates(coordinatesNode, ellipsoid);
         if (defined(coordinates)) {
@@ -1787,17 +1787,17 @@ function processTrack(
   entityCollection,
   geometryNode,
   entity,
-  styleEntity,
+  styleEntity
 ) {
   const altitudeMode = queryStringValue(
     geometryNode,
     "altitudeMode",
-    namespaces.kml,
+    namespaces.kml
   );
   const gxAltitudeMode = queryStringValue(
     geometryNode,
     "altitudeMode",
-    namespaces.gx,
+    namespaces.gx
   );
   const coordNodes = queryChildNodes(geometryNode, "coord", namespaces.gx);
   const angleNodes = queryChildNodes(geometryNode, "angles", namespaces.gx);
@@ -1809,7 +1809,7 @@ function processTrack(
   if (angleNodes.length > 0) {
     oneTimeWarning(
       "kml-gx:angles",
-      "KML - gx:angles are not supported in gx:Tracks",
+      "KML - gx:angles are not supported in gx:Tracks"
     );
   }
 
@@ -1828,7 +1828,7 @@ function processTrack(
     dataSource,
     entity,
     styleEntity,
-    heightReferenceFromAltitudeMode(altitudeMode, gxAltitudeMode),
+    heightReferenceFromAltitudeMode(altitudeMode, gxAltitudeMode)
   );
   processPathGraphics(entity, styleEntity);
 
@@ -1839,7 +1839,7 @@ function processTrack(
       new TimeInterval({
         start: times[0],
         stop: times[times.length - 1],
-      }),
+      })
     );
   }
 
@@ -1859,7 +1859,7 @@ function addToMultiTrack(
   extrude,
   altitudeMode,
   gxAltitudeMode,
-  includeEndPoints,
+  includeEndPoints
 ) {
   const start = times[0];
   const stop = times[times.length - 1];
@@ -1876,9 +1876,9 @@ function addToMultiTrack(
       data: createPositionPropertyFromAltitudeMode(
         data,
         altitudeMode,
-        gxAltitudeMode,
+        gxAltitudeMode
       ),
-    }),
+    })
   );
   availability.addInterval(
     new TimeInterval({
@@ -1886,7 +1886,7 @@ function addToMultiTrack(
       stop: stop,
       isStartIncluded: includeEndPoints,
       isStopIncluded: includeEndPoints,
-    }),
+    })
   );
   dropShowProperty.intervals.addInterval(
     new TimeInterval({
@@ -1895,7 +1895,7 @@ function addToMultiTrack(
       isStartIncluded: includeEndPoints,
       isStopIncluded: includeEndPoints,
       data: extrude,
-    }),
+    })
   );
 }
 
@@ -1904,7 +1904,7 @@ function processMultiTrack(
   entityCollection,
   geometryNode,
   entity,
-  styleEntity,
+  styleEntity
 ) {
   // Multitrack options do not work in GE as detailed in the spec,
   // rather than altitudeMode being at the MultiTrack level,
@@ -1913,7 +1913,7 @@ function processMultiTrack(
   const interpolate = queryBooleanValue(
     geometryNode,
     "interpolate",
-    namespaces.gx,
+    namespaces.gx
   );
   const trackNodes = queryChildNodes(geometryNode, "Track", namespaces.gx);
 
@@ -1932,12 +1932,12 @@ function processMultiTrack(
     const altitudeMode = queryStringValue(
       trackNode,
       "altitudeMode",
-      namespaces.kml,
+      namespaces.kml
     );
     const gxAltitudeMode = queryStringValue(
       trackNode,
       "altitudeMode",
-      namespaces.gx,
+      namespaces.gx
     );
     const canExtrude = isExtrudable(altitudeMode, gxAltitudeMode);
     const extrude = queryBooleanValue(trackNode, "extrude", namespaces.kml);
@@ -1967,7 +1967,7 @@ function processMultiTrack(
           false,
           "absolute",
           undefined,
-          false,
+          false
         );
       }
       lastStop = times[length - 1];
@@ -1983,7 +1983,7 @@ function processMultiTrack(
       canExtrude && extrude,
       altitudeMode,
       gxAltitudeMode,
-      true,
+      true
     );
     needDropLine = needDropLine || (canExtrude && extrude);
   }
@@ -2017,7 +2017,7 @@ function processMultiGeometry(
   geometryNode,
   entity,
   styleEntity,
-  context,
+  context
 ) {
   const childNodes = geometryNode.childNodes;
   let hasGeometry = false;
@@ -2037,7 +2037,7 @@ function processMultiGeometry(
           entityCollection,
           childNode,
           childEntity,
-          styleEntity,
+          styleEntity
         )
       ) {
         hasGeometry = true;
@@ -2053,11 +2053,11 @@ function processUnsupportedGeometry(
   entityCollection,
   geometryNode,
   entity,
-  styleEntity,
+  styleEntity
 ) {
   oneTimeWarning(
     "kml-unsupportedGeometry",
-    `KML - Unsupported geometry: ${geometryNode.localName}`,
+    `KML - Unsupported geometry: ${geometryNode.localName}`
   );
   return false;
 }
@@ -2075,7 +2075,7 @@ function processExtendedData(node, entity) {
   if (defined(queryStringAttribute(extendedDataNode, "xmlns:prefix"))) {
     oneTimeWarning(
       "kml-extendedData",
-      "KML - ExtendedData with xmlns:prefix is unsupported",
+      "KML - ExtendedData with xmlns:prefix is unsupported"
     );
   }
 
@@ -2091,7 +2091,7 @@ function processExtendedData(node, entity) {
           displayName: queryStringValue(
             dataNode,
             "displayName",
-            namespaces.kml,
+            namespaces.kml
           ),
           value: queryStringValue(dataNode, "value", namespaces.kml),
         };
@@ -2111,7 +2111,7 @@ function processDescription(
   entity,
   styleEntity,
   uriResolver,
-  sourceResource,
+  sourceResource
 ) {
   let i;
   let key;
@@ -2123,7 +2123,7 @@ function processDescription(
 
   const balloonStyle = defaultValue(
     entity.balloonStyle,
-    styleEntity.balloonStyle,
+    styleEntity.balloonStyle
   );
 
   let background = Color.WHITE;
@@ -2179,7 +2179,7 @@ function processDescription(
         value = extendedData[key];
         text += `<tr><th>${defaultValue(
           value.displayName,
-          key,
+          key
         )}</th><td>${defaultValue(value.value, "")}</td></tr>`;
       }
       text += "</tbody></table>";
@@ -2256,7 +2256,7 @@ function processFeature(dataSource, featureNode, processingData) {
   const entity = createEntity(
     featureNode,
     entityCollection,
-    processingData.context,
+    processingData.context
   );
   const kmlData = entity.kml;
   const styleEntity = computeFinalStyle(
@@ -2264,7 +2264,7 @@ function processFeature(dataSource, featureNode, processingData) {
     featureNode,
     processingData.styleCollection,
     sourceResource,
-    uriResolver,
+    uriResolver
   );
 
   const name = queryStringValue(featureNode, "name", namespaces.kml);
@@ -2290,7 +2290,7 @@ function processFeature(dataSource, featureNode, processingData) {
   const visibility = queryBooleanValue(
     featureNode,
     "visibility",
-    namespaces.kml,
+    namespaces.kml
   );
   entity.show = ancestryIsVisible(parent) && defaultValue(visibility, true);
   //const open = queryBooleanValue(featureNode, 'open', namespaces.kml);
@@ -2314,7 +2314,7 @@ function processFeature(dataSource, featureNode, processingData) {
   kmlData.phoneNumber = queryStringValue(
     featureNode,
     "phoneNumber",
-    namespaces.kml,
+    namespaces.kml
   );
   kmlData.snippet = queryStringValue(featureNode, "Snippet", namespaces.kml);
 
@@ -2324,7 +2324,7 @@ function processFeature(dataSource, featureNode, processingData) {
     entity,
     styleEntity,
     uriResolver,
-    sourceResource,
+    sourceResource
   );
 
   const ellipsoid = dataSource._ellipsoid;
@@ -2357,7 +2357,7 @@ function processPlacemark(
   dataSource,
   placemark,
   processingData,
-  deferredLoading,
+  deferredLoading
 ) {
   const r = processFeature(dataSource, placemark, processingData);
   const entity = r.entity;
@@ -2377,7 +2377,7 @@ function processPlacemark(
         childNode,
         entity,
         styleEntity,
-        entity.id,
+        entity.id
       );
       hasGeometry = true;
     }
@@ -2415,7 +2415,7 @@ function processTour(dataSource, node, processingData, deferredLoading) {
           playlistNodeProcessor(tour, entryNode, ellipsoid);
         } else {
           console.log(
-            `Unknown KML Tour playlist entry type ${entryNode.localName}`,
+            `Unknown KML Tour playlist entry type ${entryNode.localName}`
           );
         }
       }
@@ -2454,28 +2454,28 @@ function processCamera(featureNode, entity, ellipsoid) {
   if (defined(camera)) {
     const lon = defaultValue(
       queryNumericValue(camera, "longitude", namespaces.kml),
-      0.0,
+      0.0
     );
     const lat = defaultValue(
       queryNumericValue(camera, "latitude", namespaces.kml),
-      0.0,
+      0.0
     );
     const altitude = defaultValue(
       queryNumericValue(camera, "altitude", namespaces.kml),
-      0.0,
+      0.0
     );
 
     const heading = defaultValue(
       queryNumericValue(camera, "heading", namespaces.kml),
-      0.0,
+      0.0
     );
     const tilt = defaultValue(
       queryNumericValue(camera, "tilt", namespaces.kml),
-      0.0,
+      0.0
     );
     const roll = defaultValue(
       queryNumericValue(camera, "roll", namespaces.kml),
-      0.0,
+      0.0
     );
 
     const position = Cartesian3.fromDegrees(lon, lat, altitude, ellipsoid);
@@ -2490,21 +2490,21 @@ function processLookAt(featureNode, entity, ellipsoid) {
   if (defined(lookAt)) {
     const lon = defaultValue(
       queryNumericValue(lookAt, "longitude", namespaces.kml),
-      0.0,
+      0.0
     );
     const lat = defaultValue(
       queryNumericValue(lookAt, "latitude", namespaces.kml),
-      0.0,
+      0.0
     );
     const altitude = defaultValue(
       queryNumericValue(lookAt, "altitude", namespaces.kml),
-      0.0,
+      0.0
     );
     let heading = queryNumericValue(lookAt, "heading", namespaces.kml);
     let tilt = queryNumericValue(lookAt, "tilt", namespaces.kml);
     const range = defaultValue(
       queryNumericValue(lookAt, "range", namespaces.kml),
-      0.0,
+      0.0
     );
 
     tilt = CesiumMath.toRadians(defaultValue(tilt, 0.0));
@@ -2513,7 +2513,7 @@ function processLookAt(featureNode, entity, ellipsoid) {
     const hpr = new HeadingPitchRange(
       heading,
       tilt - CesiumMath.PI_OVER_TWO,
-      range,
+      range
     );
     const viewPoint = Cartesian3.fromDegrees(lon, lat, altitude, ellipsoid);
 
@@ -2525,7 +2525,7 @@ function processScreenOverlay(
   dataSource,
   screenOverlayNode,
   processingData,
-  deferredLoading,
+  deferredLoading
 ) {
   const screenOverlay = processingData.screenOverlayContainer;
   if (!defined(screenOverlay)) {
@@ -2541,7 +2541,7 @@ function processScreenOverlay(
     dataSource,
     sourceResource,
     uriResolver,
-    false,
+    false
   );
 
   if (!defined(icon)) {
@@ -2558,12 +2558,12 @@ function processScreenOverlay(
     const screenXY = queryFirstNode(
       screenOverlayNode,
       "screenXY",
-      namespaces.kml,
+      namespaces.kml
     );
     const overlayXY = queryFirstNode(
       screenOverlayNode,
       "overlayXY",
-      namespaces.kml,
+      namespaces.kml
     );
     const size = queryFirstNode(screenOverlayNode, "size", namespaces.kml);
 
@@ -2640,7 +2640,7 @@ function processScreenOverlay(
       if (defined(x)) {
         if (xUnit === "fraction") {
           xStyle = `${"left: " + "calc("}${Math.floor(
-            x * 100,
+            x * 100
           )}% - ${xOrigin}px)`;
         } else if (xUnit === "pixels") {
           xStyle = `left: ${x - xOrigin}px`;
@@ -2654,7 +2654,7 @@ function processScreenOverlay(
       if (defined(y)) {
         if (yUnit === "fraction") {
           yStyle = `${"bottom: " + "calc("}${Math.floor(
-            y * 100,
+            y * 100
           )}% - ${yOrigin}px)`;
         } else if (yUnit === "pixels") {
           yStyle = `bottom: ${y - yOrigin}px`;
@@ -2676,7 +2676,7 @@ function processGroundOverlay(
   dataSource,
   groundOverlay,
   processingData,
-  deferredLoading,
+  deferredLoading
 ) {
   const r = processFeature(dataSource, groundOverlay, processingData);
   const entity = r.entity;
@@ -2687,7 +2687,7 @@ function processGroundOverlay(
   const ellipsoid = dataSource._ellipsoid;
   const positions = readCoordinates(
     queryFirstNode(groundOverlay, "LatLonQuad", namespaces.gx),
-    ellipsoid,
+    ellipsoid
   );
   const zIndex = queryNumericValue(groundOverlay, "drawOrder", namespaces.kml);
   if (defined(positions)) {
@@ -2704,7 +2704,7 @@ function processGroundOverlay(
     const latLonBox = queryFirstNode(
       groundOverlay,
       "LatLonBox",
-      namespaces.kml,
+      namespaces.kml
     );
     if (defined(latLonBox)) {
       let west = queryNumericValue(latLonBox, "west", namespaces.kml);
@@ -2741,13 +2741,13 @@ function processGroundOverlay(
     dataSource,
     processingData.sourceResource,
     processingData.uriResolver,
-    true,
+    true
   );
   if (defined(href)) {
     if (isLatLonQuad) {
       oneTimeWarning(
         "kml-gx:LatLonQuad",
-        "KML - gx:LatLonQuad Icon does not support texture projection.",
+        "KML - gx:LatLonQuad Icon does not support texture projection."
       );
     }
     const x = queryNumericValue(iconNode, "x", namespaces.gx);
@@ -2758,7 +2758,7 @@ function processGroundOverlay(
     if (defined(x) || defined(y) || defined(w) || defined(h)) {
       oneTimeWarning(
         "kml-groundOverlay-xywh",
-        "KML - gx:x, gx:y, gx:w, gx:h aren't supported for GroundOverlays",
+        "KML - gx:x, gx:y, gx:w, gx:h aren't supported for GroundOverlays"
       );
     }
 
@@ -2766,7 +2766,7 @@ function processGroundOverlay(
     geometry.material.color = queryColorValue(
       groundOverlay,
       "color",
-      namespaces.kml,
+      namespaces.kml
     );
     geometry.material.transparent = true;
   } else {
@@ -2776,7 +2776,7 @@ function processGroundOverlay(
   let altitudeMode = queryStringValue(
     groundOverlay,
     "altitudeMode",
-    namespaces.kml,
+    namespaces.kml
   );
 
   if (defined(altitudeMode)) {
@@ -2785,13 +2785,13 @@ function processGroundOverlay(
       geometry.height = queryNumericValue(
         groundOverlay,
         "altitude",
-        namespaces.kml,
+        namespaces.kml
       );
       geometry.zIndex = undefined;
     } else if (altitudeMode !== "clampToGround") {
       oneTimeWarning(
         "kml-altitudeMode-unknown",
-        `KML - Unknown altitudeMode: ${altitudeMode}`,
+        `KML - Unknown altitudeMode: ${altitudeMode}`
       );
     }
     // else just use the default of 0 until we support 'clampToGround'
@@ -2799,28 +2799,28 @@ function processGroundOverlay(
     altitudeMode = queryStringValue(
       groundOverlay,
       "altitudeMode",
-      namespaces.gx,
+      namespaces.gx
     );
     if (altitudeMode === "relativeToSeaFloor") {
       oneTimeWarning(
         "kml-altitudeMode-relativeToSeaFloor",
-        "KML - altitudeMode relativeToSeaFloor is currently not supported, treating as absolute.",
+        "KML - altitudeMode relativeToSeaFloor is currently not supported, treating as absolute."
       );
       geometry.height = queryNumericValue(
         groundOverlay,
         "altitude",
-        namespaces.kml,
+        namespaces.kml
       );
       geometry.zIndex = undefined;
     } else if (altitudeMode === "clampToSeaFloor") {
       oneTimeWarning(
         "kml-altitudeMode-clampToSeaFloor",
-        "KML - altitudeMode clampToSeaFloor is currently not supported, treating as clampToGround.",
+        "KML - altitudeMode clampToSeaFloor is currently not supported, treating as clampToGround."
       );
     } else if (defined(altitudeMode)) {
       oneTimeWarning(
         "kml-altitudeMode-unknown",
-        `KML - Unknown altitudeMode: ${altitudeMode}`,
+        `KML - Unknown altitudeMode: ${altitudeMode}`
       );
     }
   }
@@ -2830,7 +2830,7 @@ function processUnsupportedFeature(
   dataSource,
   node,
   processingData,
-  deferredLoading,
+  deferredLoading
 ) {
   dataSource._unsupportedNode.raiseEvent(
     dataSource,
@@ -2839,11 +2839,11 @@ function processUnsupportedFeature(
     processingData.entityCollection,
     processingData.styleCollection,
     processingData.sourceResource,
-    processingData.uriResolver,
+    processingData.uriResolver
   );
   oneTimeWarning(
     `kml-unsupportedFeature-${node.nodeName}`,
-    `KML - Unsupported feature: ${node.nodeName}`,
+    `KML - Unsupported feature: ${node.nodeName}`
   );
 }
 
@@ -2877,7 +2877,7 @@ function processNetworkLinkQueryString(
   canvas,
   viewBoundScale,
   bbox,
-  ellipsoid,
+  ellipsoid
 ) {
   function fixLatitude(value) {
     if (value < -CesiumMath.PI_OVER_TWO) {
@@ -2914,14 +2914,14 @@ function processNetworkLinkQueryString(
       centerCartesian = camera.pickEllipsoid(
         scratchCartesian2,
         ellipsoid,
-        scratchCartesian3,
+        scratchCartesian3
       );
     }
 
     if (defined(centerCartesian)) {
       centerCartographic = ellipsoid.cartesianToCartographic(
         centerCartesian,
-        scratchCartographic,
+        scratchCartographic
       );
     } else {
       centerCartographic = Rectangle.center(bbox, scratchCartographic);
@@ -2938,25 +2938,25 @@ function processNetworkLinkQueryString(
         fixLongitude(centerCartographic.longitude - newHalfWidth),
         fixLatitude(centerCartographic.latitude - newHalfHeight),
         fixLongitude(centerCartographic.longitude + newHalfWidth),
-        fixLatitude(centerCartographic.latitude + newHalfHeight),
+        fixLatitude(centerCartographic.latitude + newHalfHeight)
       );
     }
 
     queryString = queryString.replace(
       "[bboxWest]",
-      CesiumMath.toDegrees(bbox.west).toString(),
+      CesiumMath.toDegrees(bbox.west).toString()
     );
     queryString = queryString.replace(
       "[bboxSouth]",
-      CesiumMath.toDegrees(bbox.south).toString(),
+      CesiumMath.toDegrees(bbox.south).toString()
     );
     queryString = queryString.replace(
       "[bboxEast]",
-      CesiumMath.toDegrees(bbox.east).toString(),
+      CesiumMath.toDegrees(bbox.east).toString()
     );
     queryString = queryString.replace(
       "[bboxNorth]",
-      CesiumMath.toDegrees(bbox.north).toString(),
+      CesiumMath.toDegrees(bbox.north).toString()
     );
 
     const lon = CesiumMath.toDegrees(centerCartographic.longitude).toString();
@@ -2965,35 +2965,35 @@ function processNetworkLinkQueryString(
     queryString = queryString.replace("[lookatLat]", lat);
     queryString = queryString.replace(
       "[lookatTilt]",
-      CesiumMath.toDegrees(camera.pitch).toString(),
+      CesiumMath.toDegrees(camera.pitch).toString()
     );
     queryString = queryString.replace(
       "[lookatHeading]",
-      CesiumMath.toDegrees(camera.heading).toString(),
+      CesiumMath.toDegrees(camera.heading).toString()
     );
     queryString = queryString.replace(
       "[lookatRange]",
-      Cartesian3.distance(camera.positionWC, centerCartesian),
+      Cartesian3.distance(camera.positionWC, centerCartesian)
     );
     queryString = queryString.replace("[lookatTerrainLon]", lon);
     queryString = queryString.replace("[lookatTerrainLat]", lat);
     queryString = queryString.replace(
       "[lookatTerrainAlt]",
-      centerCartographic.height.toString(),
+      centerCartographic.height.toString()
     );
 
     ellipsoid.cartesianToCartographic(camera.positionWC, scratchCartographic);
     queryString = queryString.replace(
       "[cameraLon]",
-      CesiumMath.toDegrees(scratchCartographic.longitude).toString(),
+      CesiumMath.toDegrees(scratchCartographic.longitude).toString()
     );
     queryString = queryString.replace(
       "[cameraLat]",
-      CesiumMath.toDegrees(scratchCartographic.latitude).toString(),
+      CesiumMath.toDegrees(scratchCartographic.latitude).toString()
     );
     queryString = queryString.replace(
       "[cameraAlt]",
-      CesiumMath.toDegrees(scratchCartographic.height).toString(),
+      CesiumMath.toDegrees(scratchCartographic.height).toString()
     );
 
     const frustum = camera.frustum;
@@ -3085,18 +3085,18 @@ function processNetworkLink(dataSource, node, processingData, deferredLoading) {
         viewRefreshMode = queryStringValue(
           link,
           "viewRefreshMode",
-          namespaces.kml,
+          namespaces.kml
         );
         if (viewRefreshMode === "onRegion") {
           oneTimeWarning(
             "kml-refrehMode-onRegion",
-            "KML - Unsupported viewRefreshMode: onRegion",
+            "KML - Unsupported viewRefreshMode: onRegion"
           );
           return;
         }
         viewBoundScale = defaultValue(
           queryStringValue(link, "viewBoundScale", namespaces.kml),
-          1.0,
+          1.0
         );
         const defaultViewFormat =
           viewRefreshMode === "onStop"
@@ -3104,7 +3104,7 @@ function processNetworkLink(dataSource, node, processingData, deferredLoading) {
             : "";
         const viewFormat = defaultValue(
           queryStringValue(link, "viewFormat", namespaces.kml),
-          defaultViewFormat,
+          defaultViewFormat
         );
         const httpQuery = queryStringValue(link, "httpQuery", namespaces.kml);
         if (defined(viewFormat)) {
@@ -3121,7 +3121,7 @@ function processNetworkLink(dataSource, node, processingData, deferredLoading) {
           dataSource.canvas,
           viewBoundScale,
           dataSource._lastCameraView.bbox,
-          ellipsoid,
+          ellipsoid
         );
       }
 
@@ -3152,11 +3152,11 @@ function processNetworkLink(dataSource, node, processingData, deferredLoading) {
           const refreshMode = queryStringValue(
             link,
             "refreshMode",
-            namespaces.kml,
+            namespaces.kml
           );
           let refreshInterval = defaultValue(
             queryNumericValue(link, "refreshInterval", namespaces.kml),
-            0,
+            0
           );
           if (
             (refreshMode === "onInterval" && refreshInterval > 0) ||
@@ -3166,7 +3166,7 @@ function processNetworkLink(dataSource, node, processingData, deferredLoading) {
             const networkLinkControl = queryFirstNode(
               rootElement,
               "NetworkLinkControl",
-              namespaces.kml,
+              namespaces.kml
             );
             const hasNetworkLinkControl = defined(networkLinkControl);
 
@@ -3190,18 +3190,18 @@ function processNetworkLink(dataSource, node, processingData, deferredLoading) {
                   queryStringValue(
                     networkLinkControl,
                     "cookie",
-                    namespaces.kml,
+                    namespaces.kml
                   ),
-                  "",
-                ),
+                  ""
+                )
               );
               minRefreshPeriod = defaultValue(
                 queryNumericValue(
                   networkLinkControl,
                   "minRefreshPeriod",
-                  namespaces.kml,
+                  namespaces.kml
                 ),
-                0,
+                0
               );
             }
 
@@ -3217,7 +3217,7 @@ function processNetworkLink(dataSource, node, processingData, deferredLoading) {
                 expires = queryStringValue(
                   networkLinkControl,
                   "expires",
-                  namespaces.kml,
+                  namespaces.kml
                 );
               }
               if (defined(expires)) {
@@ -3232,13 +3232,13 @@ function processNetworkLink(dataSource, node, processingData, deferredLoading) {
                 } catch (e) {
                   oneTimeWarning(
                     "kml-refreshMode-onInterval-onExpire",
-                    "KML - NetworkLinkControl expires is not a valid date",
+                    "KML - NetworkLinkControl expires is not a valid date"
                   );
                 }
               } else {
                 oneTimeWarning(
                   "kml-refreshMode-onExpire",
-                  "KML - refreshMode of onExpire requires the NetworkLinkControl to have an expires element",
+                  "KML - refreshMode of onExpire requires the NetworkLinkControl to have an expires element"
                 );
               }
             } else if (defined(dataSource.camera)) {
@@ -3246,12 +3246,12 @@ function processNetworkLink(dataSource, node, processingData, deferredLoading) {
               networkLinkInfo.refreshMode = RefreshMode.STOP;
               networkLinkInfo.time = defaultValue(
                 queryNumericValue(link, "viewRefreshTime", namespaces.kml),
-                0,
+                0
               );
             } else {
               oneTimeWarning(
                 "kml-refrehMode-onStop-noCamera",
-                "A NetworkLink with viewRefreshMode=onStop requires the `camera` property to be defined.",
+                "A NetworkLink with viewRefreshMode=onStop requires the `camera` property to be defined."
               );
             }
 
@@ -3280,7 +3280,7 @@ function processFeatureNode(dataSource, node, processingData, deferredLoading) {
     dataSource,
     node,
     processingData,
-    deferredLoading,
+    deferredLoading
   );
 }
 
@@ -3291,7 +3291,7 @@ function loadKml(
   sourceResource,
   uriResolver,
   screenOverlayContainer,
-  context,
+  context
 ) {
   entityCollection.removeAll();
 
@@ -3319,8 +3319,8 @@ function loadKml(
       styleCollection,
       sourceResource,
       false,
-      uriResolver,
-    ),
+      uriResolver
+    )
   ).then(function () {
     let element = kml.documentElement;
     if (element.localName === "kml") {
@@ -3359,7 +3359,7 @@ function loadKmz(
   entityCollection,
   blob,
   sourceResource,
-  screenOverlayContainer,
+  screenOverlayContainer
 ) {
   const zWorkerUrl = buildModuleUrl("ThirdParty/Workers/z-worker-pako.js");
   zip.configure({
@@ -3413,7 +3413,7 @@ function loadKmz(
         uriResolver.kml,
         sourceResource,
         uriResolver,
-        screenOverlayContainer,
+        screenOverlayContainer
       );
     });
   });
@@ -3461,7 +3461,7 @@ function load(dataSource, entityCollection, data, options) {
               entityCollection,
               dataToLoad,
               sourceUri,
-              screenOverlayContainer,
+              screenOverlayContainer
             );
           }
           return readBlobAsText(dataToLoad).then(function (text) {
@@ -3510,7 +3510,7 @@ function load(dataSource, entityCollection, data, options) {
               sourceUri,
               uriResolver,
               screenOverlayContainer,
-              context,
+              context
             );
           });
         });
@@ -3522,7 +3522,7 @@ function load(dataSource, entityCollection, data, options) {
         sourceUri,
         uriResolver,
         screenOverlayContainer,
-        context,
+        context
       );
     })
     .catch(function (error) {
@@ -3890,8 +3890,8 @@ KmlDataSource.prototype.load = function (data, options) {
         clock.multiplier = Math.round(
           Math.min(
             Math.max(JulianDate.secondsDifference(stop, start) / 60, 1),
-            3.15569e7,
-          ),
+            3.15569e7
+          )
         );
       }
 
@@ -3951,7 +3951,7 @@ function getNetworkLinkUpdateCallback(
   networkLink,
   newEntityCollection,
   networkLinks,
-  processedHref,
+  processedHref
 ) {
   return function (rootElement) {
     if (!networkLinks.contains(networkLink.id)) {
@@ -3963,7 +3963,7 @@ function getNetworkLinkUpdateCallback(
     const networkLinkControl = queryFirstNode(
       rootElement,
       "NetworkLinkControl",
-      namespaces.kml,
+      namespaces.kml
     );
     const hasNetworkLinkControl = defined(networkLinkControl);
 
@@ -3974,7 +3974,7 @@ function getNetworkLinkUpdateCallback(
       ) {
         oneTimeWarning(
           "kml-networkLinkControl-update",
-          "KML - NetworkLinkControl updates aren't supported.",
+          "KML - NetworkLinkControl updates aren't supported."
         );
         networkLink.updating = false;
         networkLinks.remove(networkLink.id);
@@ -3983,16 +3983,16 @@ function getNetworkLinkUpdateCallback(
       networkLink.cookie = queryToObject(
         defaultValue(
           queryStringValue(networkLinkControl, "cookie", namespaces.kml),
-          "",
-        ),
+          ""
+        )
       );
       minRefreshPeriod = defaultValue(
         queryNumericValue(
           networkLinkControl,
           "minRefreshPeriod",
-          namespaces.kml,
+          namespaces.kml
         ),
-        0,
+        0
       );
     }
 
@@ -4008,7 +4008,7 @@ function getNetworkLinkUpdateCallback(
         expires = queryStringValue(
           networkLinkControl,
           "expires",
-          namespaces.kml,
+          namespaces.kml
         );
       }
       if (defined(expires)) {
@@ -4022,14 +4022,14 @@ function getNetworkLinkUpdateCallback(
         } catch (e) {
           oneTimeWarning(
             "kml-networkLinkControl-expires",
-            "KML - NetworkLinkControl expires is not a valid date",
+            "KML - NetworkLinkControl expires is not a valid date"
           );
           remove = true;
         }
       } else {
         oneTimeWarning(
           "kml-refreshMode-onExpire",
-          "KML - refreshMode of onExpire requires the NetworkLinkControl to have an expires element",
+          "KML - refreshMode of onExpire requires the NetworkLinkControl to have an expires element"
         );
         remove = true;
       }
@@ -4100,7 +4100,7 @@ function getNetworkLinkUpdateCallback(
     networkLink.needsUpdate = false;
     dataSource._refresh.raiseEvent(
       dataSource,
-      processedHref.getUrlComponent(true),
+      processedHref.getUrlComponent(true)
     );
   };
 }
@@ -4142,11 +4142,11 @@ KmlDataSource.prototype.update = function (time) {
     !(
       camera.positionWC.equalsEpsilon(
         lastCameraView.position,
-        CesiumMath.EPSILON7,
+        CesiumMath.EPSILON7
       ) &&
       camera.directionWC.equalsEpsilon(
         lastCameraView.direction,
-        CesiumMath.EPSILON7,
+        CesiumMath.EPSILON7
       ) &&
       camera.upWC.equalsEpsilon(lastCameraView.up, CesiumMath.EPSILON7)
     )
@@ -4209,7 +4209,7 @@ KmlDataSource.prototype.update = function (time) {
           that.canvas,
           networkLink.viewBoundScale,
           lastCameraView.bbox,
-          ellipsoid,
+          ellipsoid
         );
 
         load(that, newEntityCollection, href, {
@@ -4221,8 +4221,8 @@ KmlDataSource.prototype.update = function (time) {
               networkLink,
               newEntityCollection,
               newNetworkLinks,
-              href,
-            ),
+              href
+            )
           )
           .catch(function (error) {
             const msg = `NetworkLink ${networkLink.href} refresh failed: ${error}`;
diff --git a/packages/widgets/Source/BaseLayerPicker/BaseLayerPickerViewModel.js b/packages/widgets/Source/BaseLayerPicker/BaseLayerPickerViewModel.js
index 47ca6538e4c1..984ef2447ec4 100644
--- a/packages/widgets/Source/BaseLayerPicker/BaseLayerPickerViewModel.js
+++ b/packages/widgets/Source/BaseLayerPicker/BaseLayerPickerViewModel.js
@@ -68,7 +68,7 @@ function BaseLayerPickerViewModel(options) {
 
   const imageryObservable = knockout.getObservable(
     this,
-    "imageryProviderViewModels",
+    "imageryProviderViewModels"
   );
   const imageryProviders = knockout.pureComputed(function () {
     const providers = imageryObservable();
@@ -99,7 +99,7 @@ function BaseLayerPickerViewModel(options) {
 
   const terrainObservable = knockout.getObservable(
     this,
-    "terrainProviderViewModels",
+    "terrainProviderViewModels"
   );
   const terrainProviders = knockout.pureComputed(function () {
     const providers = terrainObservable();
@@ -263,11 +263,12 @@ function BaseLayerPickerViewModel(options) {
         this._globe.terrainProvider = newProvider;
       } else if (defined(newProvider)) {
         let cancelUpdate = false;
-        const removeCancelListener =
-          this._globe.terrainProviderChanged.addEventListener(() => {
+        const removeCancelListener = this._globe.terrainProviderChanged.addEventListener(
+          () => {
             cancelUpdate = true;
             removeCancelListener();
-          });
+          }
+        );
 
         const terrain = new Terrain(newProvider);
         const removeEventListener = terrain.readyEvent.addEventListener(
@@ -282,7 +283,7 @@ function BaseLayerPickerViewModel(options) {
             );
             this._globe.terrainProvider = terrainProvider;
             removeEventListener();
-          },
+          }
         );
       }
 
diff --git a/packages/widgets/Source/FullscreenButton/FullscreenButtonViewModel.js b/packages/widgets/Source/FullscreenButton/FullscreenButtonViewModel.js
index 7e4b3e09f414..8fa5c52be42b 100644
--- a/packages/widgets/Source/FullscreenButton/FullscreenButtonViewModel.js
+++ b/packages/widgets/Source/FullscreenButton/FullscreenButtonViewModel.js
@@ -70,16 +70,13 @@ function FullscreenButtonViewModel(fullscreenElement, container) {
     return tmpIsFullscreen() ? "Exit full screen" : "Full screen";
   });
 
-  this._command = createCommand(
-    function () {
-      if (Fullscreen.fullscreen) {
-        Fullscreen.exitFullscreen();
-      } else {
-        Fullscreen.requestFullscreen(that._fullscreenElement);
-      }
-    },
-    knockout.getObservable(this, "isFullscreenEnabled"),
-  );
+  this._command = createCommand(function () {
+    if (Fullscreen.fullscreen) {
+      Fullscreen.exitFullscreen();
+    } else {
+      Fullscreen.requestFullscreen(that._fullscreenElement);
+    }
+  }, knockout.getObservable(this, "isFullscreenEnabled"));
 
   this._fullscreenElement = getElement(fullscreenElement) ?? ownerDocument.body;
 
diff --git a/packages/widgets/Source/Geocoder/GeocoderViewModel.js b/packages/widgets/Source/Geocoder/GeocoderViewModel.js
index 865b2e0db705..94ffac6daa3c 100644
--- a/packages/widgets/Source/Geocoder/GeocoderViewModel.js
+++ b/packages/widgets/Source/Geocoder/GeocoderViewModel.js
@@ -315,7 +315,7 @@ function handleArrowUp(viewModel) {
     return;
   }
   const currentIndex = viewModel._suggestions.indexOf(
-    viewModel._selectedSuggestion,
+    viewModel._selectedSuggestion
   );
   if (currentIndex === -1 || currentIndex === 0) {
     viewModel._selectedSuggestion = undefined;
@@ -332,7 +332,7 @@ function handleArrowDown(viewModel) {
   }
   const numberOfSuggestions = viewModel._suggestions.length;
   const currentIndex = viewModel._suggestions.indexOf(
-    viewModel._selectedSuggestion,
+    viewModel._selectedSuggestion
   );
   const next = (currentIndex + 1) % numberOfSuggestions;
   viewModel._selectedSuggestion = viewModel._suggestions[next];
@@ -355,7 +355,7 @@ function computeFlyToLocationForCartographic(cartographic, terrainProvider) {
       cartographic = positionOnTerrain[0];
       cartographic.height += DEFAULT_HEIGHT;
       return cartographic;
-    },
+    }
   );
 }
 
@@ -374,12 +374,12 @@ function flyToDestination(viewModel, destination) {
       CesiumMath.equalsEpsilon(
         destination.south,
         destination.north,
-        CesiumMath.EPSILON7,
+        CesiumMath.EPSILON7
       ) &&
       CesiumMath.equalsEpsilon(
         destination.east,
         destination.west,
-        CesiumMath.EPSILON7,
+        CesiumMath.EPSILON7
       )
     ) {
       // destination is now a Cartographic
@@ -471,7 +471,7 @@ async function geocode(viewModel, geocoderServices, geocodeType) {
     viewModel.destinationFound(viewModel, geocoderResults[0].destination);
     const credits = updateCredits(
       viewModel,
-      GeocoderService.getCreditsFromResult(geocoderResults[0]),
+      GeocoderService.getCreditsFromResult(geocoderResults[0])
     );
     // If the result does not contain any credits, default to the service credit.
     if (!defined(credits)) {
diff --git a/packages/widgets/Source/InspectorShared.js b/packages/widgets/Source/InspectorShared.js
index eafb8151c602..a3c2198545aa 100644
--- a/packages/widgets/Source/InspectorShared.js
+++ b/packages/widgets/Source/InspectorShared.js
@@ -16,7 +16,7 @@ const InspectorShared = {};
 InspectorShared.createCheckbox = function (
   labelText,
   checkedBinding,
-  enableBinding,
+  enableBinding
 ) {
   //>>includeStart('debug', pragmas.debug);
   Check.typeOf.string("labelText", labelText);
@@ -50,7 +50,7 @@ InspectorShared.createSection = function (
   panel,
   headerText,
   sectionVisibleBinding,
-  toggleSectionVisibilityBinding,
+  toggleSectionVisibilityBinding
 ) {
   //>>includeStart('debug', pragmas.debug);
   Check.defined("panel", panel);
@@ -58,14 +58,14 @@ InspectorShared.createSection = function (
   Check.typeOf.string("sectionVisibleBinding", sectionVisibleBinding);
   Check.typeOf.string(
     "toggleSectionVisibilityBinding",
-    toggleSectionVisibilityBinding,
+    toggleSectionVisibilityBinding
   );
   //>>includeEnd('debug');
   const section = document.createElement("div");
   section.className = "cesium-cesiumInspector-section";
   section.setAttribute(
     "data-bind",
-    `css: { "cesium-cesiumInspector-section-collapsed": !${sectionVisibleBinding} }`,
+    `css: { "cesium-cesiumInspector-section-collapsed": !${sectionVisibleBinding} }`
   );
   panel.appendChild(section);
 
@@ -74,7 +74,7 @@ InspectorShared.createSection = function (
   sectionHeader.appendChild(document.createTextNode(headerText));
   sectionHeader.setAttribute(
     "data-bind",
-    `click: ${toggleSectionVisibilityBinding}`,
+    `click: ${toggleSectionVisibilityBinding}`
   );
   section.appendChild(sectionHeader);
 
@@ -100,7 +100,7 @@ InspectorShared.createRangeInput = function (
   min,
   max,
   step,
-  inputValueBinding,
+  inputValueBinding
 ) {
   //>>includeStart('debug', pragmas.debug);
   Check.typeOf.string("rangeText", rangeText);
@@ -121,7 +121,7 @@ InspectorShared.createRangeInput = function (
   slider.step = step ?? "any";
   slider.setAttribute(
     "data-bind",
-    `valueUpdate: "input", value: ${sliderValueBinding}`,
+    `valueUpdate: "input", value: ${sliderValueBinding}`
   );
 
   const wrapper = document.createElement("div");
@@ -146,7 +146,7 @@ InspectorShared.createRangeInput = function (
 InspectorShared.createButton = function (
   buttonText,
   clickedBinding,
-  activeBinding,
+  activeBinding
 ) {
   //>>includeStart('debug', pragmas.debug);
   Check.typeOf.string("buttonText", buttonText);
diff --git a/packages/widgets/Source/NavigationHelpButton/NavigationHelpButton.js b/packages/widgets/Source/NavigationHelpButton/NavigationHelpButton.js
index 861861f1ef43..768587732bc1 100644
--- a/packages/widgets/Source/NavigationHelpButton/NavigationHelpButton.js
+++ b/packages/widgets/Source/NavigationHelpButton/NavigationHelpButton.js
@@ -59,7 +59,7 @@ function NavigationHelpButton(options) {
     "\
 attr: { title: tooltip },\
 click: command,\
-cesiumSvgPath: { path: _svgPath, width: 32, height: 32 }",
+cesiumSvgPath: { path: _svgPath, width: 32, height: 32 }"
   );
   wrapper.appendChild(button);
 
@@ -67,7 +67,7 @@ cesiumSvgPath: { path: _svgPath, width: 32, height: 32 }",
   instructionContainer.className = "cesium-navigation-help";
   instructionContainer.setAttribute(
     "data-bind",
-    'css: { "cesium-navigation-help-visible" : showInstructions}',
+    'css: { "cesium-navigation-help-visible" : showInstructions}'
   );
   wrapper.appendChild(instructionContainer);
 
@@ -77,7 +77,7 @@ cesiumSvgPath: { path: _svgPath, width: 32, height: 32 }",
     "cesium-navigation-button cesium-navigation-button-left";
   mouseButton.setAttribute(
     "data-bind",
-    'click: showClick, css: {"cesium-navigation-button-selected": !_touch, "cesium-navigation-button-unselected": _touch}',
+    'click: showClick, css: {"cesium-navigation-button-selected": !_touch, "cesium-navigation-button-unselected": _touch}'
   );
   const mouseIcon = document.createElement("img");
   mouseIcon.src = buildModuleUrl("Widgets/Images/NavigationHelp/Mouse.svg");
@@ -93,7 +93,7 @@ cesiumSvgPath: { path: _svgPath, width: 32, height: 32 }",
     "cesium-navigation-button cesium-navigation-button-right";
   touchButton.setAttribute(
     "data-bind",
-    'click: showTouch, css: {"cesium-navigation-button-selected": _touch, "cesium-navigation-button-unselected": !_touch}',
+    'click: showTouch, css: {"cesium-navigation-button-selected": _touch, "cesium-navigation-button-unselected": !_touch}'
   );
   const touchIcon = document.createElement("img");
   touchIcon.src = buildModuleUrl("Widgets/Images/NavigationHelp/Touch.svg");
@@ -111,13 +111,13 @@ cesiumSvgPath: { path: _svgPath, width: 32, height: 32 }",
     "cesium-click-navigation-help cesium-navigation-help-instructions";
   clickInstructions.setAttribute(
     "data-bind",
-    'css: { "cesium-click-navigation-help-visible" : !_touch}',
+    'css: { "cesium-click-navigation-help-visible" : !_touch}'
   );
   clickInstructions.innerHTML = `\
             <table>\
                 <tr>\
                     <td><img src="${buildModuleUrl(
-                      "Widgets/Images/NavigationHelp/MouseLeft.svg",
+                      "Widgets/Images/NavigationHelp/MouseLeft.svg"
                     )}" width="48" height="48" /></td>\
                     <td>\
                         <div class="cesium-navigation-help-pan">Pan view</div>\
@@ -126,7 +126,7 @@ cesiumSvgPath: { path: _svgPath, width: 32, height: 32 }",
                 </tr>\
                 <tr>\
                     <td><img src="${buildModuleUrl(
-                      "Widgets/Images/NavigationHelp/MouseRight.svg",
+                      "Widgets/Images/NavigationHelp/MouseRight.svg"
                     )}" width="48" height="48" /></td>\
                     <td>\
                         <div class="cesium-navigation-help-zoom">Zoom view</div>\
@@ -136,7 +136,7 @@ cesiumSvgPath: { path: _svgPath, width: 32, height: 32 }",
                 </tr>\
                 <tr>\
                     <td><img src="${buildModuleUrl(
-                      "Widgets/Images/NavigationHelp/MouseMiddle.svg",
+                      "Widgets/Images/NavigationHelp/MouseMiddle.svg"
                     )}" width="48" height="48" /></td>\
                     <td>\
                         <div class="cesium-navigation-help-rotate">Rotate view</div>\
@@ -153,13 +153,13 @@ cesiumSvgPath: { path: _svgPath, width: 32, height: 32 }",
     "cesium-touch-navigation-help cesium-navigation-help-instructions";
   touchInstructions.setAttribute(
     "data-bind",
-    'css: { "cesium-touch-navigation-help-visible" : _touch}',
+    'css: { "cesium-touch-navigation-help-visible" : _touch}'
   );
   touchInstructions.innerHTML = `\
             <table>\
                 <tr>\
                     <td><img src="${buildModuleUrl(
-                      "Widgets/Images/NavigationHelp/TouchDrag.svg",
+                      "Widgets/Images/NavigationHelp/TouchDrag.svg"
                     )}" width="70" height="48" /></td>\
                     <td>\
                         <div class="cesium-navigation-help-pan">Pan view</div>\
@@ -168,7 +168,7 @@ cesiumSvgPath: { path: _svgPath, width: 32, height: 32 }",
                 </tr>\
                 <tr>\
                     <td><img src="${buildModuleUrl(
-                      "Widgets/Images/NavigationHelp/TouchZoom.svg",
+                      "Widgets/Images/NavigationHelp/TouchZoom.svg"
                     )}" width="70" height="48" /></td>\
                     <td>\
                         <div class="cesium-navigation-help-zoom">Zoom view</div>\
@@ -177,7 +177,7 @@ cesiumSvgPath: { path: _svgPath, width: 32, height: 32 }",
                 </tr>\
                 <tr>\
                     <td><img src="${buildModuleUrl(
-                      "Widgets/Images/NavigationHelp/TouchTilt.svg",
+                      "Widgets/Images/NavigationHelp/TouchTilt.svg"
                     )}" width="70" height="48" /></td>\
                     <td>\
                         <div class="cesium-navigation-help-rotate">Tilt view</div>\
@@ -186,7 +186,7 @@ cesiumSvgPath: { path: _svgPath, width: 32, height: 32 }",
                 </tr>\
                 <tr>\
                     <td><img src="${buildModuleUrl(
-                      "Widgets/Images/NavigationHelp/TouchRotate.svg",
+                      "Widgets/Images/NavigationHelp/TouchRotate.svg"
                     )}" width="70" height="48" /></td>\
                     <td>\
                         <div class="cesium-navigation-help-tilt">Rotate view</div>\
diff --git a/packages/widgets/Source/PerformanceWatchdog/PerformanceWatchdogViewModel.js b/packages/widgets/Source/PerformanceWatchdog/PerformanceWatchdogViewModel.js
index 9294c7c5de07..47d94cd987d3 100644
--- a/packages/widgets/Source/PerformanceWatchdog/PerformanceWatchdogViewModel.js
+++ b/packages/widgets/Source/PerformanceWatchdog/PerformanceWatchdogViewModel.js
@@ -69,13 +69,13 @@ function PerformanceWatchdogViewModel(options) {
       if (!that.lowFrameRateMessageDismissed) {
         that.showingLowFrameRateMessage = true;
       }
-    },
+    }
   );
 
   this._unsubscribeNominalFrameRate = monitor.nominalFrameRate.addEventListener(
     function () {
       that.showingLowFrameRateMessage = false;
-    },
+    }
   );
 }
 
diff --git a/packages/widgets/Source/SelectionIndicator/SelectionIndicatorViewModel.js b/packages/widgets/Source/SelectionIndicator/SelectionIndicatorViewModel.js
index 0156030dacea..a63b3f046b07 100644
--- a/packages/widgets/Source/SelectionIndicator/SelectionIndicatorViewModel.js
+++ b/packages/widgets/Source/SelectionIndicator/SelectionIndicatorViewModel.js
@@ -22,7 +22,7 @@ const offScreen = "-1000px";
 function SelectionIndicatorViewModel(
   scene,
   selectionIndicatorElement,
-  container,
+  container
 ) {
   //>>includeStart('debug', pragmas.debug);
   if (!defined(scene)) {
@@ -109,7 +109,7 @@ SelectionIndicatorViewModel.prototype.update = function () {
   if (this.showSelection && defined(this.position)) {
     const screenPosition = this.computeScreenSpacePosition(
       this.position,
-      screenSpacePos,
+      screenSpacePos
     );
     if (!defined(screenPosition)) {
       this._screenPositionX = offScreen;
@@ -124,12 +124,12 @@ SelectionIndicatorViewModel.prototype.update = function () {
       screenPosition.x =
         Math.min(
           Math.max(screenPosition.x, -indicatorSize),
-          containerWidth + indicatorSize,
+          containerWidth + indicatorSize
         ) - halfSize;
       screenPosition.y =
         Math.min(
           Math.max(screenPosition.y, -indicatorSize),
-          containerHeight + indicatorSize,
+          containerHeight + indicatorSize
         ) - halfSize;
 
       this._screenPositionX = `${Math.floor(screenPosition.x + 0.25)}px`;
diff --git a/packages/widgets/Source/Timeline/TimelineHighlightRange.js b/packages/widgets/Source/Timeline/TimelineHighlightRange.js
index 81a8554ddeae..909eee97a2a8 100644
--- a/packages/widgets/Source/Timeline/TimelineHighlightRange.js
+++ b/packages/widgets/Source/Timeline/TimelineHighlightRange.js
@@ -35,18 +35,18 @@ TimelineHighlightRange.prototype.render = function (renderState) {
   if (this._start && this._stop && this._color) {
     const highlightStart = JulianDate.secondsDifference(
       this._start,
-      renderState.epochJulian,
+      renderState.epochJulian
     );
     let highlightLeft = Math.round(
-      renderState.timeBarWidth * renderState.getAlpha(highlightStart),
+      renderState.timeBarWidth * renderState.getAlpha(highlightStart)
     );
     const highlightStop = JulianDate.secondsDifference(
       this._stop,
-      renderState.epochJulian,
+      renderState.epochJulian
     );
     let highlightWidth =
       Math.round(
-        renderState.timeBarWidth * renderState.getAlpha(highlightStop),
+        renderState.timeBarWidth * renderState.getAlpha(highlightStop)
       ) - highlightLeft;
     if (highlightLeft < 0) {
       highlightWidth += highlightLeft;
diff --git a/packages/widgets/Source/VRButton/VRButtonViewModel.js b/packages/widgets/Source/VRButton/VRButtonViewModel.js
index 55e3e8efb58c..2ecdb97c4695 100644
--- a/packages/widgets/Source/VRButton/VRButtonViewModel.js
+++ b/packages/widgets/Source/VRButton/VRButtonViewModel.js
@@ -148,12 +148,9 @@ function VRButtonViewModel(scene, vrElement) {
   this._locked = false;
   this._noSleep = new NoSleep();
 
-  this._command = createCommand(
-    function () {
-      toggleVR(that, scene, isVRMode, isOrthographic);
-    },
-    knockout.getObservable(this, "isVREnabled"),
-  );
+  this._command = createCommand(function () {
+    toggleVR(that, scene, isVRMode, isOrthographic);
+  }, knockout.getObservable(this, "isVREnabled"));
 
   this._vrElement = getElement(vrElement) ?? document.body;
 
diff --git a/packages/widgets/Source/Viewer/viewerDragDropMixin.js b/packages/widgets/Source/Viewer/viewerDragDropMixin.js
index 32db22f5ed8f..1e389083c1fd 100644
--- a/packages/widgets/Source/Viewer/viewerDragDropMixin.js
+++ b/packages/widgets/Source/Viewer/viewerDragDropMixin.js
@@ -48,7 +48,7 @@ function viewerDragDropMixin(viewer, options) {
   }
   if (viewer.hasOwnProperty("dropEnabled")) {
     throw new DeveloperError(
-      "dropEnabled is already defined by another mixin.",
+      "dropEnabled is already defined by another mixin."
     );
   }
   if (viewer.hasOwnProperty("dropError")) {
@@ -56,12 +56,12 @@ function viewerDragDropMixin(viewer, options) {
   }
   if (viewer.hasOwnProperty("clearOnDrop")) {
     throw new DeveloperError(
-      "clearOnDrop is already defined by another mixin.",
+      "clearOnDrop is already defined by another mixin."
     );
   }
   if (viewer.hasOwnProperty("flyToOnDrop")) {
     throw new DeveloperError(
-      "flyToOnDrop is already defined by another mixin.",
+      "flyToOnDrop is already defined by another mixin."
     );
   }
   //>>includeEnd('debug');
@@ -283,7 +283,7 @@ function createOnLoadCallback(viewer, file, proxy, clampToGround) {
         viewer.dropError.raiseEvent(
           viewer,
           fileName,
-          `Unrecognized file: ${fileName}`,
+          `Unrecognized file: ${fileName}`
         );
         return;
       }