1 files changed, 24 insertions, 0 deletions
diff --git a/app/utils/checkStore.js b/app/utils/checkStore.js
new file mode 100644
index 0000000..fa12d27
--- /dev/null
+++ b/app/utils/checkStore.js
@@ -0,0 +1,24 @@
+import conformsTo from 'lodash/conformsTo';
+import isFunction from 'lodash/isFunction';
+import isObject from 'lodash/isObject';
+import invariant from 'invariant';
+
+/**
+ * Validate the shape of redux store
+ */
+export default function checkStore(store) {
+  const shape = {
+    dispatch: isFunction,
+    subscribe: isFunction,
+    getState: isFunction,
+    replaceReducer: isFunction,
+    addEpic: isFunction,
+    epicStopper: isFunction,
+    injectedReducers: isObject,
+    injectedEpics: isObject,
+  };
+  invariant(
+    conformsTo(store, shape),
+    '(app/utils...) injectors: Expected a valid redux store',
+  );
+}