plugin-ext: default the folderExpanded icon (#12776)

In file icon themes, VS Code will use the "folder" icon also for expanded folders in the case that the theme omits the "folderExpanded" entry. Theia should do the same for consistency. Fixes #12727 Signed-off-by: Christian W. Damus <[email protected]>
eclipse-theia · Aug 1, 2023 · cd0aec7 · cd0aec7
1 parent 16141bf
commit cd0aec7
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/packages/plugin-ext/src/main/browser/plugin-icon-theme-service.ts b/packages/plugin-ext/src/main/browser/plugin-icon-theme-service.ts
@@ -390,6 +390,12 @@ export class PluginIconTheme extends PluginIconThemeDefinition implements IconTh
     ): void {
         if (associations.folder) {
             accept(associations.folder, this.folderIcon);
+            if (associations.folderExpanded === undefined) {
+                // Use the same icon for expanded state (issue #12727). Check for
+                // undefined folderExpanded property to allow for
+                // "folderExpanded": null in case a developer really wants that
+                accept(associations.folder, this.folderExpandedIcon);
+            }
             this.hasFolderIcons = true;
         }
         if (associations.folderExpanded) {