feat(keyhandler): add onNodeRemove callback

src/GlobalKeyHandler/index.js

@@ -0,0 +1,19 @@
+import { useEffect, useContext } from 'react';
+
+import { useKeyPress } from '../hooks';
+import { setNodesSelection } from '../state/actions';
+import { GraphContext } from '../GraphContext';
+
+export default (props) => {
+  const { state, dispatch } = useContext(GraphContext);
+  const removePressed = useKeyPress('Backspace');
+
+  useEffect(() => {
+    if (removePressed && state.selectedNodeIds.length) {
+      props.onNodeRemove(state.selectedNodeIds);
+      dispatch(setNodesSelection({ isActive: false }));
+    }
+  }, [removePressed])
+
+  return null;
+}