Improve newline handling for comments

PimvanderLoos · PimvanderLoos · commit 57e8828ae248 · 2025-07-05T21:05:38.000+02:00
diff --git a/format/yaml/src/main/java/org/spongepowered/configurate/yaml/YamlParserComposer.java b/format/yaml/src/main/java/org/spongepowered/configurate/yaml/YamlParserComposer.java
@@ -284,7 +284,9 @@ void applyComments(final ConfigurationNode node) {
                     = (CommentedConfigurationNodeIntermediary<? extends @NonNull Object>) node;
             if (commented.comment() != null) {
                 collector.insert(0, commented.comment());
-                collector.insert(commented.comment().length(), '\n');
+                if (collector.charAt(collector.length() - 1) != '\n') {
+                    collector.insert(commented.comment().length(), '\n');
+                }
             }
             commented.comment(collector.toString());
             collector.delete(0, collector.length());
