fix: Build error after TypeScript update (#95)

package.json

@@ -50,34 +50,34 @@
     "brace-expansion": "^2.0.2"
   },
   "dependencies": {
-    "@aws-sdk/client-iot": "3.830.0",
+    "@aws-sdk/client-iot": "3.835.0",
-    "@aws-sdk/credential-providers": "3.830.0",
+    "@aws-sdk/credential-providers": "3.876.0",
     "amazon-cognito-identity-js": "6.3.15",
-    "aws-iot-device-sdk-v2": "1.21.5",
+    "aws-iot-device-sdk-v2": "1.22.0",
     "dayjs": "1.11.13",
     "lodash": "4.17.21"
   },
   "devDependencies": {
-    "@eslint/js": "9.29.0",
+    "@eslint/js": "9.34.0",
-    "@semantic-release/npm": "12.0.1",
+    "@semantic-release/npm": "12.0.2",
-    "@types/lodash": "4.17.18",
+    "@types/lodash": "4.17.20",
-    "@types/node": "24.0.3",
+    "@types/node": "24.3.0",
     "conventional-changelog-conventionalcommits": "9.0.0",
-    "dotenv": "16.5.0",
+    "dotenv": "17.2.1",
-    "eslint": "9.29.0",
+    "eslint": "9.34.0",
-    "eslint-plugin-jsdoc": "51.0.3",
+    "eslint-plugin-jsdoc": "54.1.1",
     "eslint-plugin-tsdoc": "0.4.0",
     "pino": "9.7.0",
     "pino-pretty": "13.0.0",
-    "prettier": "3.5.3",
+    "prettier": "3.6.2",
-    "prettier-plugin-jsdoc": "1.3.2",
+    "prettier-plugin-jsdoc": "1.3.3",
-    "prettier-plugin-organize-imports": "4.1.0",
+    "prettier-plugin-organize-imports": "4.2.0",
-    "semantic-release": "24.2.5",
+    "semantic-release": "24.2.7",
     "tsup": "8.5.0",
     "tsx": "4.20.3",
-    "typedoc": "0.28.5",
+    "typedoc": "0.28.11",
     "typedoc-material-theme": "1.4.0",
-    "typescript": "5.8.3",
+    "typescript": "5.9.2",
-    "typescript-eslint": "8.34.0"
+    "typescript-eslint": "8.41.0"
   }
 }

src/lib/PayloadParser.ts

@@ -32,7 +32,7 @@ export function parseMqttPayload(payload: ArrayBuffer): OutPayload {
  * @param payload - The typed payload object to serialize
  * @returns The serialized payload as ArrayBuffer ready for MQTT transmission
  */
-export function serializeMqttPayload<T extends InPayload>(payload: T): ArrayBuffer {
+export function serializeMqttPayload<T extends InPayload>(payload: T): Uint8Array<ArrayBuffer> {
   const jsonString = JSON.stringify(payload);
   const encoder = new TextEncoder();
   return encoder.encode(jsonString);