Fix inverted language check, #2956

Author: Gerrit0

CHANGELOG.md

@@ -8,6 +8,10 @@ title: Changelog
 
 ### Bug Fixes
 
+- Attempting to highlight a supported language which is not enabled is now a warning, not an error, #2956.
+
+### Bug Fixes
+
 - References to type aliases defined as mapped types will now correctly create a reference to the type alias, #2954.
 - `ignoredHighlightLanguages` can now be used to prevent warnings for codeblocks containing languages
   which are supported by Shiki but are not loaded, #2956.

src/lib/output/themes/MarkedPlugin.tsx

@@ -87,8 +87,8 @@ export class MarkedPlugin extends ContextAwareRendererComponent {
     public getHighlighted(text: string, lang?: string): string {
         lang = lang || "typescript";
         lang = lang.toLowerCase();
-        if (!isSupportedLanguage(lang)) {
-            if (isLoadedLanguage(lang)) {
+        if (!isLoadedLanguage(lang)) {
+            if (isSupportedLanguage(lang)) {
                 this.application.logger.warn(
                     i18n.unloaded_language_0_not_highlighted_in_comment_for_1(
                         lang,