From a7f69d3538e6b3aff54f7c93755afe252db94858 Mon Sep 17 00:00:00 2001
From: esikkala <esko.ikkala@aalto.fi>
Date: Sun, 23 Jan 2022 12:22:08 +0200
Subject: [PATCH] HierarchicalFacet: handle clear all filters

---
 src/client/components/facet_bar/HierarchicalFacet.js | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/client/components/facet_bar/HierarchicalFacet.js b/src/client/components/facet_bar/HierarchicalFacet.js
index 94769550..5fc63bdf 100644
--- a/src/client/components/facet_bar/HierarchicalFacet.js
+++ b/src/client/components/facet_bar/HierarchicalFacet.js
@@ -296,7 +296,6 @@ class HierarchicalFacet extends Component {
             ? (searchFocusIndex + 1) % searchFoundCount
             : 0
       })
-
     return (
       <>
         {isFetching
@@ -346,7 +345,7 @@ class HierarchicalFacet extends Component {
                   }}
                 >
                   <SortableTree
-                    treeData={this.state.treeData}
+                    treeData={this.state.treeData || []}
                     onChange={treeData => this.setState({ treeData })}
                     canDrag={false}
                     rowHeight={30}
-- 
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