Use ListUtils.map as suggested by reviewer

Author: avimta

src/main/java/org/openrewrite/staticanalysis/SingleLineCommentSpacing.java

@@ -17,14 +17,14 @@
 package org.openrewrite.staticanalysis;
 
 import java.time.Duration;
-import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 import java.util.Set;
 
 import org.openrewrite.ExecutionContext;
 import org.openrewrite.Recipe;
 import org.openrewrite.TreeVisitor;
+import org.openrewrite.internal.ListUtils;
 import org.openrewrite.java.JavaIsoVisitor;
 import org.openrewrite.java.tree.Comment;
 import org.openrewrite.java.tree.Space;
@@ -60,53 +60,37 @@ public TreeVisitor<?, ExecutionContext> getVisitor() {
             public Space visitSpace(Space space, Space.Location loc, ExecutionContext ctx) {
                 Space s = super.visitSpace(space, loc, ctx);
 
-                List<Comment> comments = s.getComments();
-                if (comments.isEmpty()) {
+                if (s.getComments().isEmpty()) {
                     return s;
                 }
 
-                boolean changed = false;
-                List<Comment> updatedComments = new ArrayList<>(comments.size());
-
-                for (Comment comment : comments) {
-                    Comment updated = comment;
-
+                List<Comment> updatedComments = ListUtils.map(s.getComments(), comment -> {
                     if (comment instanceof TextComment) {
                         TextComment tc = (TextComment) comment;
                         String text = tc.getText();
 
                         // Skip empty comments
                         if (text.isEmpty()) {
-                            updatedComments.add(comment);
-                            continue;
+                            return comment;
                         }
 
                         // Skip special comments like //language=java
                         if (text.startsWith("language=")) {
-                            updatedComments.add(comment);
-                            continue;
+                            return comment;
                         }
 
-                        // If already has space after //
+                        // Already has space after //
                         if (text.startsWith(" ")) {
-                            updatedComments.add(comment);
-                            continue;
+                            return comment;
                         }
 
-                        // Add space after //
-                        String newText = " " + text;
-
-                        if (!newText.equals(text)) {
-                            updated = tc.withText(newText);
-                            changed = true;
-                        }
+                        // Add space
+                        return tc.withText(" " + text);
                     }
+                    return comment;
+                });
 
-                    updatedComments.add(updated);
-                }
-
-                // Only return new object if something changed (important for single-cycle rule)
-                return changed ? s.withComments(updatedComments) : s;
+                return s.withComments(updatedComments);
             }
         };
     }