fix eslint errors

Author: jjspace

eslint.config.js

@@ -20,6 +20,8 @@ export default [
       "Apps/Sandcastle/gallery/gallery-index.js",
       "Apps/Sandcastle2/",
       "packages/sandcastle/public/",
+      "packages/sandcastle/templates/Sandcastle.d.ts",
+      "packages/sandcastle/templates/Sandcastle.js",
       "packages/engine/Source/Scene/GltfPipeline/**/*",
       "packages/engine/Source/Shaders/**/*",
       "Specs/jasmine/*",
@@ -114,6 +116,13 @@ export default [
       "no-alert": "off",
     },
   },
+  {
+    files: ["packages/sandcastle/gallery/hello-world/main.js"],
+    rules: {
+      // ignore this rule here to avoid the excessive eslint-disable comment in our bare minimum example
+      "no-unused-vars": "off",
+    },
+  },
   {
     files: ["Specs/**/*", "packages/**/Specs/**/*"],
     languageOptions: {

packages/sandcastle/gallery/3d-tiles-1.1-cdb-yemen/main.js

@@ -340,7 +340,6 @@ try {
     },
   );
   viewer.scene.primitives.add(buildingsTileset);
-  const center = Cesium.Cartesian3.fromDegrees(45.04192, 12.753525, 2000);
 
   viewer.camera.flyTo({
     duration: 0,

packages/sandcastle/gallery/3d-tiles-1.1-photogrammetry-classification/main.js

@@ -261,7 +261,7 @@ handler.setInputAction(function (movement) {
 }, Cesium.ScreenSpaceEventType.MOUSE_MOVE);
 
 const clickHandler = new Cesium.ScreenSpaceEventHandler(scene.canvas);
-handler.setInputAction(function (movement) {
+clickHandler.setInputAction(function (movement) {
   if (enablePicking) {
     const pickedObject = scene.pick(movement.position);
     if (

packages/sandcastle/gallery/3d-tiles-1.1-s2-globe/main.js

@@ -108,7 +108,6 @@ metadataOverlay.style.fontSize = "16px";
 metadataOverlay.style.borderRadius = "4px";
 
 let tableHtmlScratch;
-let i;
 
 handler.setInputAction(function (movement) {
   if (enablePicking) {

packages/sandcastle/gallery/3d-tiles-inspector/main.js

@@ -8,7 +8,6 @@ const viewer = new Cesium.Viewer("cesiumContainer", {
 viewer.scene.globe.depthTestAgainstTerrain = true;
 
 viewer.extend(Cesium.viewerCesium3DTilesInspectorMixin);
-const inspectorViewModel = viewer.cesium3DTilesInspector.viewModel;
 
 try {
   const tileset = await Cesium.Cesium3DTileset.fromIonAssetId(75343, {

packages/sandcastle/gallery/3d-tiles-nga-gpm-visualization/main.js

@@ -1,5 +1,4 @@
 import * as Cesium from "cesium";
-import Sandcastle from "Sandcastle";
 
 // Basic setup
 const viewer = new Cesium.Viewer("cesiumContainer", {
@@ -469,7 +468,7 @@ class PropertyTextureShaders {
                   float value1 = float(fsInput.metadata.${propertyName1});
                   float range1 = float(${sourceMax1}) - float(${sourceMin1});
                   float brightness1 = (value1 - float(${sourceMin1})) / range1;
-        
+
                   vec3 diffuseHsl = czm_RGBToHSL(material.diffuse);
                   diffuseHsl.y *= 0.25;
                   diffuseHsl.z *= 0.25;

packages/sandcastle/gallery/3d-tiles-performance-testing-dev/main.js

@@ -14,8 +14,6 @@ The heatmapTileProperty will colorize the tile property in a heatmap. Booleans s
 const viewer = new Cesium.Viewer("cesiumContainer");
 const scene = viewer.scene;
 const camera = scene.camera;
-const globe = scene.globe;
-const statistics = Cesium.RequestScheduler.statistics;
 const Cartesian3 = Cesium.Cartesian3;
 
 let tourTime = 0;

packages/sandcastle/gallery/aec-architectural-design/main.js

@@ -80,13 +80,9 @@ for (const { title, assetId, visible } of tilesetData) {
     viewer.scene.primitives.add(tileset);
     tileset.show = visible;
 
-    const toggleBtn = Sandcastle.addToggleButton(
-      title,
-      visible,
-      function (checked) {
-        tileset.show = checked;
-      },
-    );
+    Sandcastle.addToggleButton(title, visible, function (checked) {
+      tileset.show = checked;
+    });
   } catch (error) {
     console.log(`Error loading tileset (${title}): ${error}`);
   }

packages/sandcastle/gallery/ambient-occlusion/main.js

@@ -2,7 +2,7 @@ import * as Cesium from "cesium";
 
 const viewer = new Cesium.Viewer("cesiumContainer");
 
-const { canvas, camera, clock, scene } = viewer;
+const { camera, clock, scene } = viewer;
 camera.frustum.near = 1.0;
 scene.debugShowFramesPerSecond = true;
 

packages/sandcastle/gallery/arcgis-mapserver/main.js

@@ -1,5 +1,7 @@
 import * as Cesium from "cesium";
 
+/* eslint-disable no-unused-vars */
+
 // An ArcGIS Access Token is required to authenticate requests to an ArcGIS Image Tile service.
 // To access secure ArcGIS resources, you need to create an ArcGIS developer account at https://developers.arcgis.com/,
 // then implement an authentication method to obtain an access token. See https://developers.arcgis.com/documentation/mapping-apis-and-services/security