[refactor] Moved 'powerOfTwo' to 'isPowerOfTwo' TS file

utils/helpers/isPowerOfTwo.ts

@@ -0,0 +1,13 @@
+/**
+ * Determines if the number is a power of 2
+ * @param n The number to check.
+ */
+export function isPowerOfTwo(n: number) {
+    if (isNaN(n)) {
+        return false;
+    }
+
+    // Disabiling the bitwise rule because it's honestly the most effecient way to check for this.
+    // tslint:disable-next-line:no-bitwise
+    return n && (n & (n - 1)) === 0;
+}