keydown abstracted to useKeydown

src/composition/useKeydown.js

@@ -0,0 +1,20 @@
+import { onMounted, onBeforeUnmount } from 'vue';
+
+export const useKeydown = function(keyCombos) {
+  keyCombos.forEach(({key, fn}) => {
+    let onkey = function(event) {
+      if(event.key == key) {
+        fn()
+      }
+    }
+
+    onMounted(()=> {
+      window.addEventListener('keydown', onkey);
+    })
+    onBeforeUnmount(()=> {
+      window.removeEventListener('keydown', onkey);
+    })
+  })
+}
+
+export default useKeydown;