From d6a8ed6be504aefa97200caf10bcd1173057b707 Mon Sep 17 00:00:00 2001
From: Braks <78412429+bcakmakoglu@users.noreply.github.com>
Date: Tue, 17 Aug 2021 22:14:02 +0200
Subject: [PATCH] update: Color prop optional in MarkerDefinitions

---
 src/container/EdgeRenderer/MarkerDefinitions.tsx | 3 ++-
 src/utils/symbols.ts                             | 7 +++++++
 2 files changed, 9 insertions(+), 1 deletion(-)
 create mode 100644 src/utils/symbols.ts

diff --git a/src/container/EdgeRenderer/MarkerDefinitions.tsx b/src/container/EdgeRenderer/MarkerDefinitions.tsx
index 77d7c4b7..84556b01 100644
--- a/src/container/EdgeRenderer/MarkerDefinitions.tsx
+++ b/src/container/EdgeRenderer/MarkerDefinitions.tsx
@@ -10,7 +10,8 @@ export default defineComponent({
   props: {
     color: {
       type: String as PropType<MarkerDefinitionsProps['color']>,
-      required: true
+      required: false,
+      default: ''
     }
   },
   setup(props) {
diff --git a/src/utils/symbols.ts b/src/utils/symbols.ts
new file mode 100644
index 00000000..e96169fe
--- /dev/null
+++ b/src/utils/symbols.ts
@@ -0,0 +1,7 @@
+import { InjectionKey } from 'vue';
+import { RevueFlowStore } from '../types';
+import { RevueFlowHooks } from '../hooks/RevueFlowHooks';
+
+export const StoreKey: InjectionKey<RevueFlowStore> = Symbol('store');
+export const HooksKey: InjectionKey<RevueFlowHooks> = Symbol('hooks');
+export const NodeIdContextKey: InjectionKey<string> = Symbol('NodeIdContext');