1 files changed, 47 insertions, 0 deletions
diff --git a/src/content/dependencies/generateReadCommentaryLine.js b/src/content/dependencies/generateReadCommentaryLine.js
new file mode 100644
index 00000000..a7a7a4da
--- /dev/null
+++ b/src/content/dependencies/generateReadCommentaryLine.js
@@ -0,0 +1,47 @@
+import {empty} from '#sugar';
+
+export default {
+  extraDependencies: ['html', 'language'],
+
+  query: (thing) => ({
+    entries:
+      (thing.isTrack
+        ? [...thing.commentary, ...thing.commentaryFromMainRelease]
+        : thing.commentary),
+  }),
+
+  data: (query, _thing) => ({
+    hasWikiEditorCommentary:
+      query.entries
+        .some(entry => entry.isWikiEditorCommentary),
+
+    onlyWikiEditorCommentary:
+      !empty(query.entries) &&
+      query.entries
+        .every(entry => entry.isWikiEditorCommentary),
+
+    hasAnyCommentary:
+      !empty(query.entries),
+  }),
+
+  generate: (data, {html, language}) =>
+    language.encapsulate('releaseInfo.readCommentary', capsule =>
+      language.$(capsule, {
+        [language.onlyIfOptions]: ['link'],
+
+        link:
+          html.tag('a',
+            {[html.onlyIfContent]: true},
+
+            {href: '#artist-commentary'},
+
+            language.encapsulate(capsule, 'link', capsule =>
+              (data.onlyWikiEditorCommentary
+                ? language.$(capsule, 'onlyWikiCommentary')
+             : data.hasWikiEditorCommentary
+                ? language.$(capsule, 'withWikiCommentary')
+             : data.hasAnyCommentary
+                ? language.$(capsule)
+                : html.blank()))),
+      })),
+};