fix(index): support custom UI params in UI state warning (#4165)

algolia · Oct 23, 2019 · 80d32fc · 80d32fc
1 parent feb2040
commit 80d32fc
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diff --git a/src/lib/__tests__/InstantSearch-test.js b/src/lib/__tests__/InstantSearch-test.js
@@ -1264,6 +1264,13 @@ describe('UI state', () => {
           menu: {
             category: 'Hardware',
           },
+          // This is a UI parameter that is not supported by default but that
+          // can be added when using custom widgets. Having it in `initialUiState`
+          // makes sure that it doesn't throw if it happens.
+          anotherWidget: {
+            query: 'Paris',
+            location: ['1', '1'],
+          },
         },
       },
     });

diff --git a/src/widgets/index/index.ts b/src/widgets/index/index.ts
@@ -391,10 +391,11 @@ const index = (props: IndexProps): Index => {
           const missingWidgets = Object.keys(localUiState).reduce<
             MissingWidgets
           >((acc, parameter) => {
-            const requiredWidgets: Array<Widget['$$type']> =
+            const requiredWidgets: Array<Widget['$$type']> | undefined =
               stateToWidgetsMap[parameter];
 
             if (
+              requiredWidgets &&
               !requiredWidgets.some(requiredWidget =>
                 mountedWidgets.includes(requiredWidget)
               )