DEV: Update for glimmer topic list (#66)

Author: davidtaylorhq

.discourse-compatibility

@@ -1,3 +1,4 @@
+< 3.4.0.beta4-dev: a5ff3374335f17b46654c4ae1e5be7b539c2da1a
 < 3.4.0.beta1-dev: 93551f55d6e9f8d688f1f9dc0b6a2f14eb08b603
 < 3.3.0.beta1-dev: 85dc24d6b58d1b16e6d225ae710633dc20c34d08
 3.1.999: 1e5882a1541b932f9512f6a7d667b333c1708f53

javascripts/discourse/initializers/init-topic-excerpts.js

@@ -1,8 +1,18 @@
 import { apiInitializer } from "discourse/lib/api";
+import { withSilencedDeprecations } from "discourse-common/lib/deprecated";
 
 export default apiInitializer("0.8", (api) => {
-  api.modifyClass("component:topic-list-item", {
-    pluginId: "discourse-air",
-    expandPinned: true,
-  });
+  const transformerExists = api.registerValueTransformer(
+    "topic-list-item-expand-pinned",
+    () => true
+  );
+
+  if (!transformerExists) {
+    withSilencedDeprecations("discourse.hbr-topic-list-overrides", () => {
+      api.modifyClass("component:topic-list-item", {
+        pluginId: "discourse-air",
+        expandPinned: true,
+      });
+    });
+  }
 });