From 7380ada1f12c382d423133c2e9142f36a6634067 Mon Sep 17 00:00:00 2001
From: toasted-nutbread <toasted-nutbread@users.noreply.github.com>
Date: Wed, 2 Oct 2019 20:57:48 -0400
Subject: Simplify onWheel handler

---
 ext/mixed/js/display.js | 18 +++++-------------
 1 file changed, 5 insertions(+), 13 deletions(-)

(limited to 'ext/mixed/js')

diff --git a/ext/mixed/js/display.js b/ext/mixed/js/display.js
index eb40a5df..dc64dbea 100644
--- a/ext/mixed/js/display.js
+++ b/ext/mixed/js/display.js
@@ -161,20 +161,12 @@ class Display {
     }
 
     onWheel(e) {
-        const handler = () => {
-            if (e.altKey) {
-                if (e.deltaY < 0) { // scroll up
-                    this.entryScrollIntoView(this.index - 1, null, true);
-                    return true;
-                } else if (e.deltaY > 0) { // scroll down
-                    this.entryScrollIntoView(this.index + 1, null, true);
-                    return true;
-                }
+        if (e.altKey) {
+            const delta = e.deltaY;
+            if (delta !== 0) {
+                this.entryScrollIntoView(this.index + (delta > 0 ? 1 : -1), null, true);
+                e.preventDefault();
             }
-        };
-
-        if (handler()) {
-            e.preventDefault();
         }
     }
 
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