From bc991ca79813b8dd5ea9ac92d58a780f49b44052 Mon Sep 17 00:00:00 2001
From: jkhsjdhjs <leon.moeller@yahoo.de>
Date: Sat, 2 Dec 2017 21:21:46 +0100
Subject: [PATCH] rewrite keybindings

---
 s/shit.js | 47 +++++++++++++++++++++--------------------------
 1 file changed, 21 insertions(+), 26 deletions(-)

diff --git a/s/shit.js b/s/shit.js
index 470026a..1265ce1 100644
--- a/s/shit.js
+++ b/s/shit.js
@@ -1,27 +1,22 @@
-function arrowKeys(e) {
-	switch(e.keyCode) {
-		case 39:
-			var prev = document.getElementById('prev');
-			if(prev) prev.click();
-		break;
-		case 37:
-			var next = document.getElementById('next');
-			if(next) next.click();
-		break;
-		case 82:
-			var random = document.getElementById('random');
-			if(random) random.click();
-	}
-}
-if(document.readyState == 'complete' || document.readyState == 'loaded')
-	document.addEventListener('keydown', arrowKeys);
-else {
-	if(/Chrome/i.test(navigator.userAgent))
-		window.addEventListener('load', function () {
-			document.addEventListener('keydown', arrowKeys);
-		});
-	else
-		document.addEventListener('DOMContentLoaded', function () {
-			document.addEventListener('keydown', arrowKeys);
-		});
+const keybindings = {
+  'ArrowLeft': clickOnElementBinding('#next'),
+  'ArrowRight': clickOnElementBinding('#prev'),
+  'r': clickOnElementBinding('#random')
+};
+
+function clickOnElementBinding(selector) {
+  return () => {
+    let elem = document.querySelector(selector);
+    if(elem)
+      elem.click();
+  };
 }
+
+(function() {
+  document.addEventListener('keydown', e => {
+    if(e.key in keybindings) {
+      e.preventDefault();
+      keybindings[e.key]();
+    }
+  });
+})();