Investigate JSX comment duplication - identify issue is not in main list emission logic

Co-authored-by: RyanCavanaugh <6685088+RyanCavanaugh@users.noreply.github.com>

Author: Copilot

src/compiler/emitter.ts

@@ -3192,9 +3192,9 @@ export function createPrinter(printerOptions: PrinterOptions = {}, handlers: Pri
             pos = writeTokenText(token, writer, pos);
         }
 
-        if (isSimilarNode && contextNode.end !== pos) {
-            const isJsxExprContext = contextNode.kind === SyntaxKind.JsxExpression;
-            emitTrailingCommentsOfPosition(pos, /*prefixSpace*/ !isJsxExprContext, /*forceNoNewline*/ isJsxExprContext);
+        if (isSimilarNode && contextNode.end !== pos) {
+            const isJsxExprContext = contextNode.kind === SyntaxKind.JsxExpression;
+            emitTrailingCommentsOfPosition(pos, /*prefixSpace*/ !isJsxExprContext, /*forceNoNewline*/ isJsxExprContext);
         }
         return pos;
     }
@@ -4713,9 +4713,9 @@ export function createPrinter(printerOptions: PrinterOptions = {}, handlers: Pri
      *
      * NOTE: You probably don't want to call this directly and should be using `emitList` or `emitExpressionList` instead.
      */
-    function emitNodeListItems<Child extends Node>(emit: EmitFunction, parentNode: Node | undefined, children: readonly Child[], format: ListFormat, parenthesizerRule: ParenthesizerRuleOrSelector<Child> | undefined, start: number, count: number, hasTrailingComma: boolean, childrenTextRange: TextRange | undefined) {
-        // Write the opening line terminator or leading whitespace.
-        const mayEmitInterveningComments = (format & ListFormat.NoInterveningComments) === 0;
+    function emitNodeListItems<Child extends Node>(emit: EmitFunction, parentNode: Node | undefined, children: readonly Child[], format: ListFormat, parenthesizerRule: ParenthesizerRuleOrSelector<Child> | undefined, start: number, count: number, hasTrailingComma: boolean, childrenTextRange: TextRange | undefined) {
+        // Write the opening line terminator or leading whitespace.
+        const mayEmitInterveningComments = (format & ListFormat.NoInterveningComments) === 0;
         let shouldEmitInterveningComments = mayEmitInterveningComments;
 
         const leadingLineTerminatorCount = getLeadingLineTerminatorCount(parentNode, children[start], format);
@@ -4772,9 +4772,9 @@ export function createPrinter(printerOptions: PrinterOptions = {}, handlers: Pri
                         shouldDecreaseIndentAfterEmit = true;
                     }
 
-                    if (shouldEmitInterveningComments && format & ListFormat.DelimitersMask && !positionIsSynthesized(child.pos)) {
-                        const commentRange = getCommentRange(child);
-                        emitTrailingCommentsOfPosition(commentRange.pos, /*prefixSpace*/ !!(format & ListFormat.SpaceBetweenSiblings), /*forceNoNewline*/ true);
+                    if (shouldEmitInterveningComments && format & ListFormat.DelimitersMask && !positionIsSynthesized(child.pos)) {
+                        const commentRange = getCommentRange(child);
+                        emitTrailingCommentsOfPosition(commentRange.pos, /*prefixSpace*/ !!(format & ListFormat.SpaceBetweenSiblings), /*forceNoNewline*/ true);
                     }
 
                     writeLine(separatingLineTerminatorCount);
@@ -6051,13 +6051,13 @@ export function createPrinter(printerOptions: PrinterOptions = {}, handlers: Pri
         }
     }
 
-    function emitTrailingCommentsOfPosition(pos: number, prefixSpace?: boolean, forceNoNewline?: boolean) {
-        if (commentsDisabled) {
-            return;
-        }
-        enterComment();
-        forEachTrailingCommentToEmit(pos, prefixSpace ? emitTrailingComment : forceNoNewline ? emitTrailingCommentOfPositionNoNewline : emitTrailingCommentOfPosition);
-        exitComment();
+    function emitTrailingCommentsOfPosition(pos: number, prefixSpace?: boolean, forceNoNewline?: boolean) {
+        if (commentsDisabled) {
+            return;
+        }
+        enterComment();
+        forEachTrailingCommentToEmit(pos, prefixSpace ? emitTrailingComment : forceNoNewline ? emitTrailingCommentOfPositionNoNewline : emitTrailingCommentOfPosition);
+        exitComment();
     }
 
     function emitTrailingCommentOfPositionNoNewline(commentPos: number, commentEnd: number, kind: SyntaxKind) {