From 88e71f82232781a1bc16701ce4719d770222ec4c Mon Sep 17 00:00:00 2001
From: toasted-nutbread <toasted-nutbread@users.noreply.github.com>
Date: Sat, 11 Sep 2021 12:51:51 -0400
Subject: [PATCH] Add data-is-primary attribute to headwords (#1946)

---
 ext/js/display/display-generator.js | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/ext/js/display/display-generator.js b/ext/js/display/display-generator.js
index 95b4224b..fe899e53 100644
--- a/ext/js/display/display-generator.js
+++ b/ext/js/display/display-generator.js
@@ -232,12 +232,21 @@ class DisplayGenerator {
     // Private
 
     _createTermHeadword(headword, headwordIndex, pronunciations) {
-        const {term, reading, tags} = headword;
+        const {term, reading, tags, sources} = headword;
+
+        let isPrimaryAny = false;
+        for (const {isPrimary} of sources) {
+            if (isPrimary) {
+                isPrimaryAny = true;
+                break;
+            }
+        }
 
         const node = this._templates.instantiate('headword');
 
         const termContainer = node.querySelector('.headword-term');
 
+        node.dataset.isPrimary = `${isPrimaryAny}`;
         node.dataset.readingIsSame = `${reading === term}`;
         node.dataset.frequency = DictionaryDataUtil.getTermFrequency(tags);