feat(core): add __experimentalFeatures flag to store

packages/core/src/store/state.ts

@@ -114,6 +114,10 @@ const defaultState = (): State => ({
   defaultEdgeOptions: undefined,
   elevateEdgesOnSelect: false,
 
+  __experimentalFeatures: {
+    nestedFlow: false,
+  },
+
   vueFlowVersion: typeof __VUE_FLOW_VERSION__ !== 'undefined' ? __VUE_FLOW_VERSION__ : '-',
 })
 

packages/core/src/types/flow.ts

@@ -157,6 +157,10 @@ export interface FlowProps {
   defaultEdgeOptions?: DefaultEdgeOptions
   /** elevates edges when selected and applies z-Index to put them above their nodes */
   elevateEdgesOnSelect?: boolean
+
+  __experimentalFeatures?: {
+    nestedFlow?: boolean
+  }
 }
 
 export type FlowOptions = FlowProps