From 75710d0f2b1444c21a85fc05802c437b74f0302b Mon Sep 17 00:00:00 2001
From: ryan <ryantxu@gmail.com>
Date: Thu, 14 Mar 2019 14:58:46 -0700
Subject: [PATCH] add partial

---
 packages/grafana-ui/src/types/panel.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/grafana-ui/src/types/panel.ts b/packages/grafana-ui/src/types/panel.ts
index 2ac38b6253a..2307f446a98 100644
--- a/packages/grafana-ui/src/types/panel.ts
+++ b/packages/grafana-ui/src/types/panel.ts
@@ -30,10 +30,10 @@ export interface PanelEditorProps<T = any> {
  * Called before a panel is initalized
  */
 export type PanelTypeChangedHook<TOptions = any> = (
-  options: TOptions,
+  options: Partial<TOptions>,
   prevPluginId?: string,
   prevOptions?: any
-) => TOptions;
+) => Partial<TOptions>;
 
 export class ReactPanelPlugin<TOptions = any> {
   panel: ComponentClass<PanelProps<TOptions>>;