From 27d628194724bf04c381490c13d910fd368cd582 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fran=C3=A7ois=20Chalifour?= <francois.chalifour@gmail.com>
Date: Wed, 9 Dec 2020 11:01:13 +0100
Subject: [PATCH] feat(core): add invariant for unknown reducer actions

---
 packages/autocomplete-core/src/stateReducer.ts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/packages/autocomplete-core/src/stateReducer.ts b/packages/autocomplete-core/src/stateReducer.ts
index ad33bea58..825916d65 100644
--- a/packages/autocomplete-core/src/stateReducer.ts
+++ b/packages/autocomplete-core/src/stateReducer.ts
@@ -1,3 +1,5 @@
+import { invariant } from '@algolia/autocomplete-shared';
+
 import { getCompletion } from './getCompletion';
 import { Reducer } from './types';
 import { getItemsCount, getNextSelectedItemId } from './utils';
@@ -162,6 +164,11 @@ export const stateReducer: Reducer = (state, action) => {
     }
 
     default:
+      invariant(
+        false,
+        `The reducer action ${JSON.stringify(action.type)} is not supported.`
+      );
+
       return state;
   }
 };