Fix issue #135 and js formatting

javascript/imageviewerGamepad.js

@@ -1,36 +1,34 @@
-    let delay = 350//ms
-    window.addEventListener('gamepadconnected', (e) => {
-        console.log("Gamepad connected!")
-        const gamepad = e.gamepad;
-        setInterval(() => {
-            const xValue = gamepad.axes[0].toFixed(2);
-            if (xValue < -0.3) {
-                modalPrevImage(e);
-            } else if (xValue > 0.3) {
-                modalNextImage(e);
-            }
+let delay = 350; //ms
+window.addEventListener("gamepadconnected", (e) => {
+  console.log("Gamepad connected!");
+  const gamepad = e.gamepad;
+  setInterval(() => {
+    const xValue = gamepad.axes[0].toFixed(2);
+    if (xValue < -0.3) {
+      modalPrevImage(e);
+    } else if (xValue > 0.3) {
+      modalNextImage(e);
+    }
+  }, delay);
+});
 
-        }, delay);
-    });
-
-
-    /*
+/*
     Primarily for vr controller type pointer devices.
     I use the wheel event because there's currently no way to do it properly with web xr.
      */
 
-    let isScrolling = false;
-    window.addEventListener('wheel', (e) => {
-        if (isScrolling) return;
-        isScrolling = true;
+let isScrolling = false;
+window.addEventListener("wheel", (e) => {
+  if (isScrolling) return;
+  isScrolling = true;
 
-        if (e.deltaX <= -0.6) {
-            modalPrevImage(e);
-        } else if (e.deltaX >= 0.6) {
-            modalNextImage(e);
-        }
+  if (e.deltaX <= -0.6) {
+    modalPrevImage(e);
+  } else if (e.deltaX >= 0.6) {
+    modalNextImage(e);
+  }
 
-        setTimeout(() => {
-            isScrolling = false;
-        }, delay);
-    });
+  setTimeout(() => {
+    isScrolling = false;
+  }, delay);
+});