fix: linting issues

Author: Ajay-singh1

scripts/gen_site.sh

@@ -1,5 +1,19 @@
 #!/bin/bash
 
+# Copyright Istio Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 set -ex
 
 mkdir -p generated/js generated/img tmp/js
@@ -47,5 +61,4 @@ esbuild tmp/js/themes_init.js \
   --sourcemap \
   --outfile=generated/js/themes_init.min.js
 
-# Step 5: Generate SVG sprite
 svgstore -o generated/img/icons.svg src/icons/**/*.svg

src/ts/overlays.ts

@@ -20,7 +20,6 @@ declare class Popper {
 declare var iconFile: string;
 // Path to the SVG icon sprite file
 
-
 // tracks any overlay displayed on the page (e.g. menu or popover)
 let overlay: HTMLElement | null = null;
 let popper: Popper | null = null;

src/ts/scroll.ts

@@ -17,7 +17,7 @@ import { getById , listen } from "./utils";
 import { click } from "./constants";
 let scrollToTopButton: HTMLElement | null;
 let tocLinks: HTMLCollectionOf<HTMLAnchorElement>;
-let tocHeadings: HTMLElement[] = [];
+const tocHeadings: HTMLElement[] = [];
 let pageHeader: HTMLElement | null;
 
 function handleScroll(): void {