Adjusting script file for new ESLint system

scripts/index.ts

@@ -2,7 +2,7 @@
 // tslint:disable:no-bitwise
 
 // Container for our bluetooth class code
-let bluetoothClass: number = 0;
+let bluetoothClass = 0;
 
 // Grab references to our DOM elements
 const bluetoothClassField: HTMLElement | null = document.getElementById("bluetoothClass");
@@ -12,7 +12,7 @@ const checkboxesAndRadios: NodeListOf<HTMLInputElement> = document.querySelector
 /**
  * Write a hex string of our current Bluetooth class to the input
  */
-function updateBluetoothClassField() {
+function updateBluetoothClassField(): void {
 
 	let hex: string = bluetoothClass.toString(16);
 	hex = hex.toLocaleUpperCase();
@@ -27,7 +27,7 @@ function updateBluetoothClassField() {
 /**
  * Depending on our selected major device category, hide or show groups of minor devices
  */
-function updateBluetoothMinorDeviceFields() {
+function updateBluetoothMinorDeviceFields(): void {
 
 	// Determine the ID of the selected major device