Ajout du Konami code réglementaire

2020-08-26 09:16:05 +02:00
parent 32c19bace3
commit f03a0c96dc
2 changed files with 37 additions and 1 deletions
--- a/client/src/hooks/useKonamiCode.tsx
+++ b/client/src/hooks/useKonamiCode.tsx
@ -0,0 +1,20 @@
+import { useEffect } from "react";
+
+export function useKonamiCode(cb: Function) {
+  const KONAMI_CODE = [38, 38, 40, 40, 37, 39, 37, 39, 66, 65];
+  let cursor = 0;
+
+  useEffect(()=> {
+    const onKeyDown = (e) => {
+      cursor = (e.keyCode == KONAMI_CODE[cursor]) ? cursor + 1 : 0;
+      if (cursor == KONAMI_CODE.length) {
+        cb();
+        cursor = 0;
+      }
+    };
+
+    document.addEventListener('keydown', onKeyDown);
+  
+    return () => document.removeEventListener('keydown', onKeyDown);
+  }, []);
+}