data: commentatorArtists: filter out duplicate artists

1 files changed, 6 insertions, 1 deletions

diff --git a/src/data/composite/wiki-properties/commentatorArtists.js b/src/data/composite/wiki-properties/commentatorArtists.js
index 65ab146..f400bbf 100644
--- a/src/data/composite/wiki-properties/commentatorArtists.js
+++ b/src/data/composite/wiki-properties/commentatorArtists.js
@@ -6,7 +6,8 @@ import {unique} from '#sugar';
 
 import {exitWithoutDependency, exposeDependency}
   from '#composite/control-flow';
-import {withFlattenedList, withPropertyFromList} from '#composite/data';
+import {withFlattenedList, withPropertyFromList, withUniqueItemsOnly}
+  from '#composite/data';
 import {withParsedCommentaryEntries} from '#composite/wiki-data';
 
 export default templateCompositeFrom({
@@ -38,6 +39,10 @@ export default templateCompositeFrom({
       '#flattenedList': '#artists',
     }),
 
+    withUniqueItemsOnly({
+      list: '#artists',
+    }),
+
     exposeDependency({
       dependency: '#artists',
     }),