diff --git a/package-lock.json b/package-lock.json
index fef5d86..a6a37a3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -28,7 +28,6 @@
         "@vueuse/core": "^10.9.0",
         "@zxing/text-encoding": "^0.9.0",
         "axios": "^1.6.8",
-        "buffer": "^6.0.3",
         "class-transformer": "^0.5.1",
         "dexie": "^3.2.7",
         "dexie-export-import": "^4.1.1",
@@ -66,7 +65,6 @@
       },
       "devDependencies": {
         "@types/leaflet": "^1.9.8",
-        "@types/node": "^20.11.30",
         "@types/ramda": "^0.29.11",
         "@types/three": "^0.155.1",
         "@types/ua-parser-js": "^0.7.39",
diff --git a/package.json b/package.json
index 0bde793..acd4b8e 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,6 @@
     "@vueuse/core": "^10.9.0",
     "@zxing/text-encoding": "^0.9.0",
     "axios": "^1.6.8",
-    "buffer": "^6.0.3",
     "class-transformer": "^0.5.1",
     "dexie": "^3.2.7",
     "dexie-export-import": "^4.1.1",
@@ -67,7 +66,6 @@
   },
   "devDependencies": {
     "@types/leaflet": "^1.9.8",
-    "@types/node": "^20.11.30",
     "@types/ramda": "^0.29.11",
     "@types/three": "^0.155.1",
     "@types/ua-parser-js": "^0.7.39",
diff --git a/src/libs/util.ts b/src/libs/util.ts
index 598b8ff..28162dd 100644
--- a/src/libs/util.ts
+++ b/src/libs/util.ts
@@ -12,8 +12,6 @@ import { deriveAddress, generateSeed, newIdentifier } from "@/libs/crypto";
 import { GenericServerRecord, containsHiddenDid } from "@/libs/endorserServer";
 import * as serverUtil from "@/libs/endorserServer";
 
-import { Buffer } from "buffer/";
-
 // If you edit this, check that the numbers still line up on the side in the alert (on mobile, too),
 // and make sure they can take all actions while the notification shows.
 export const ONBOARD_MESSAGE =
@@ -237,6 +235,19 @@ export const generateSaveAndActivateIdentity = async (): Promise<string> => {
   return newId.did;
 };
 
+function getBase64(subscription: PushSubscription, key: PushEncryptionKeyName) {
+  const buffer = subscription.getKey(key);
+  if (!buffer) {
+    return null;
+  }
+  const value = Buffer.from(buffer);
+  return value
+    .toString("base64")
+    .replace(/\+/g, "-")
+    .replace(/\//g, "_")
+    .replace(/=+$/, "");
+}
+
 export const sendTestThroughPushServer = async (
   subscription: PushSubscription,
   skipFilter: boolean,
@@ -253,18 +264,8 @@ export const sendTestThroughPushServer = async (
   // Use something other than "Daily Update" https://gitea.anomalistdesign.com/trent_larson/py-push-server/src/commit/3c0e196c11bc98060ec5934e99e7dbd591b5da4d/app.py#L213
   const DIRECT_PUSH_TITLE = "DIRECT_NOTIFICATION";
 
-  const auth = Buffer.from(subscription.getKey("auth"));
-  const authB64 = auth
-    .toString("base64")
-    .replace(/\+/g, "-")
-    .replace(/\//g, "_")
-    .replace(/=+$/, "");
-  const p256dh = Buffer.from(subscription.getKey("p256dh"));
-  const p256dhB64 = p256dh
-    .toString("base64")
-    .replace(/\+/g, "-")
-    .replace(/\//g, "_")
-    .replace(/=+$/, "");
+  const authB64 = getBase64(subscription, "auth");
+  const p256dhB64 = getBase64(subscription, "p256dh");
   const newPayload = {
     endpoint: subscription.endpoint,
     keys: {
diff --git a/tsconfig.json b/tsconfig.json
index d74b0d8..256daeb 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,48 +1,35 @@
 {
-    "compilerOptions": {
-		"allowJs": true,
-		"resolveJsonModule": true,
-		"target": "ES2020",
-		"module": "ESNext",
-		"strict": true,
-		"strictPropertyInitialization": false,
-		"jsx": "preserve",
-		"moduleResolution": "bundler",
+	"compilerOptions": {
+		"target": "ES2020", // Latest ECMAScript features that are widely supported by modern browsers
+		"module": "ESNext", // Use ES modules
+		"strict": true, // Enable all strict type checking options
+		"jsx": "preserve", // Preserves JSX to be transformed by Babel or another transpiler
+		"moduleResolution": "node", // Use Node.js style module resolution
 		"experimentalDecorators": true,
-		"skipLibCheck": true,
-		"esModuleInterop": true,
-		"allowSyntheticDefaultImports": true,
-		"forceConsistentCasingInFileNames": true,
+		"esModuleInterop": true, // Enables compatibility with CommonJS modules for default imports
+		"allowSyntheticDefaultImports": true, // Allow default imports from modules with no default export
+		"forceConsistentCasingInFileNames": true, // Disallow inconsistently-cased references to the same file
 		"useDefineForClassFields": true,
 		"sourceMap": true,
-		"baseUrl": "./src",
-		"types": [
-			"node"
-		],
+		"baseUrl": "./src", // Base directory to resolve non-relative module names
 		"paths": {
 			"@/components/*": ["components/*"],
 			"@/views/*": ["views/*"],
 			"@/db/*": ["db/*"],
 			"@/libs/*": ["libs/*"],
 			"@/constants/*": ["constants/*"],
-			"@/store/*": ["store/*"],
+			"@/store/*": ["store/*"]
 		},
-		"lib": [
-			"esnext",
-			"es2020",
-			"dom",
-			"dom.iterable",
-			"scripthost"
-		]
-    },
-    "include": [
+		"lib": ["ES2020", "dom", "dom.iterable"], // Include typings for ES2020 and DOM APIs
+	},
+	"include": [
 		"src/**/*.ts",
 		"src/**/*.tsx",
 		"src/**/*.vue",
 		"tests/**/*.ts",
 		"tests/**/*.tsx"
-    ],
-    "exclude": [
+	],
+	"exclude": [
 		"node_modules"
-    ]
+	]
 }