1 files changed, 17 insertions, 0 deletions
diff --git a/app/models/extensions/with-root-store.ts b/app/models/extensions/with-root-store.ts
new file mode 100644
index 0000000..eff769c
--- /dev/null
+++ b/app/models/extensions/with-root-store.ts
@@ -0,0 +1,17 @@
+import { getRoot, IStateTreeNode } from "mobx-state-tree"
+import { RootStoreModel } from "../root-store/root-store"
+
+/**
+ * Adds a rootStore property to the node for a convenient
+ * and strongly typed way for stores to access other stores.
+ */
+export const withRootStore = (self: IStateTreeNode) => ({
+  views: {
+    /**
+     * The root store.
+     */
+    get rootStore() {
+      return getRoot<typeof RootStoreModel>(self)
+    },
+  },
+})