1 files changed, 23 insertions, 0 deletions

diff --git a/packages/shared/src/stores/SharedStore.ts b/packages/shared/src/stores/SharedStore.ts
new file mode 100644
index 0000000..8933bca
--- /dev/null
+++ b/packages/shared/src/stores/SharedStore.ts
@@ -0,0 +1,23 @@
+import {
+  IJsonPatch,
+  Instance,
+  types,
+  SnapshotIn,
+  SnapshotOut,
+} from 'mobx-state-tree';
+
+export const sharedStore = types.model("SharedStore", {
+  clickCount: 0
+});
+
+export interface SharedStore extends Instance<typeof sharedStore> {}
+
+export interface SharedStoreSnapshotIn extends SnapshotIn<typeof sharedStore> {}
+
+export interface SharedStoreSnapshotOut extends SnapshotOut<typeof sharedStore> {}
+
+export interface SharedStoreListener {
+  onSnapshot(snapshot: SharedStoreSnapshotIn): void;
+
+  onPatch(patch: IJsonPatch): void;
+}