fix(pagination): update lifecycle state (#3979)

Author: francoischalifour

src/connectors/pagination/__tests__/connectPagination-test.js

@@ -274,9 +274,45 @@ See documentation: https://www.algolia.com/doc/api-reference/widgets/pagination/
       const makeWidget = connectPagination(renderFn);
       const widget = makeWidget();
 
-      const nextConfiguation = widget.getConfiguration();
+      const nextConfiguation = widget.getConfiguration(
+        new SearchParameters({})
+      );
+
+      expect(nextConfiguation).toEqual(
+        new SearchParameters({
+          page: 0,
+        })
+      );
+    });
 
-      expect(nextConfiguation.page).toBe(0);
+    it('takes the previous `page` from the `SearchParameters`', () => {
+      const renderFn = () => {};
+      const makeWidget = connectPagination(renderFn);
+      const widget = makeWidget();
+
+      const nextConfiguation1 = widget.getConfiguration(
+        new SearchParameters({
+          page: 0,
+        })
+      );
+
+      expect(nextConfiguation1).toEqual(
+        new SearchParameters({
+          page: 0,
+        })
+      );
+
+      const nextConfiguation2 = widget.getConfiguration(
+        new SearchParameters({
+          page: 6,
+        })
+      );
+
+      expect(nextConfiguation2).toEqual(
+        new SearchParameters({
+          page: 6,
+        })
+      );
     });
   });
 

src/connectors/pagination/connectPagination.js

@@ -100,10 +100,10 @@ export default function connectPagination(renderFn, unmountFn = noop) {
     return {
       $$type: 'ais.pagination',
 
-      getConfiguration() {
-        return {
-          page: 0,
-        };
+      getConfiguration(state) {
+        return state.setQueryParameters({
+          page: state.page || 0,
+        });
       },
 
       init({ helper, createURL, instantSearchInstance }) {