diff --git a/package-lock.json b/package-lock.json
index a6818fc89..7d0e67515 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -106,6 +106,7 @@
         "@types/html": "^1.0.4",
         "@types/ini": "^4.1.0",
         "@types/jasmine": "^5.1.4",
+        "@types/jquery": "^3.5.30",
         "@types/jsdom": "^21.1.6",
         "@types/mime-types": "^2.1.4",
         "@types/multer": "^1.4.11",
@@ -2364,6 +2365,15 @@
       "integrity": "sha512-px7OMFO/ncXxixDe1zR13V1iycqWae0MxTaw62RpFlksUi5QuNWgQJFkTQjIOvrmutJbI7Fp2Y2N1F6D2R4G6w==",
       "dev": true
     },
+    "node_modules/@types/jquery": {
+      "version": "3.5.30",
+      "resolved": "https://registry.npmjs.org/@types/jquery/-/jquery-3.5.30.tgz",
+      "integrity": "sha512-nbWKkkyb919DOUxjmRVk8vwtDb0/k8FKncmUKFi+NY+QXqWltooxTrswvz4LspQwxvLdvzBN1TImr6cw3aQx2A==",
+      "dev": true,
+      "dependencies": {
+        "@types/sizzle": "*"
+      }
+    },
     "node_modules/@types/jsdom": {
       "version": "21.1.7",
       "resolved": "https://registry.npmjs.org/@types/jsdom/-/jsdom-21.1.7.tgz",
@@ -2656,6 +2666,12 @@
         "@types/express-session": "*"
       }
     },
+    "node_modules/@types/sizzle": {
+      "version": "2.3.8",
+      "resolved": "https://registry.npmjs.org/@types/sizzle/-/sizzle-2.3.8.tgz",
+      "integrity": "sha512-0vWLNK2D5MT9dg0iOo8GlKguPAU02QjmZitPEsXRuJXU/OGIOt9vT9Fc26wtYuavLxtO45v9PGleoL9Z0k1LHg==",
+      "dev": true
+    },
     "node_modules/@types/stream-throttle": {
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/@types/stream-throttle/-/stream-throttle-0.1.4.tgz",
diff --git a/package.json b/package.json
index 1aa887245..cdf387bd3 100644
--- a/package.json
+++ b/package.json
@@ -140,6 +140,7 @@
     "@types/html": "^1.0.4",
     "@types/ini": "^4.1.0",
     "@types/jasmine": "^5.1.4",
+    "@types/jquery": "^3.5.30",
     "@types/jsdom": "^21.1.6",
     "@types/mime-types": "^2.1.4",
     "@types/multer": "^1.4.11",
diff --git a/src/public/app/services/css_class_manager.js b/src/public/app/services/css_class_manager.ts
similarity index 87%
rename from src/public/app/services/css_class_manager.js
rename to src/public/app/services/css_class_manager.ts
index 01a513289..a458e995a 100644
--- a/src/public/app/services/css_class_manager.js
+++ b/src/public/app/services/css_class_manager.ts
@@ -1,6 +1,6 @@
-const registeredClasses = new Set();
+const registeredClasses = new Set<string>();
 
-function createClassForColor(color) {
+function createClassForColor(color: string) {
     if (!color?.trim()) {
         return "";
     }