From 18b2b55387a0e140d7ec5366a6821052bd46dbbf Mon Sep 17 00:00:00 2001
From: Gabriela Britto <t-gaara@microsoft.com>
Date: Wed, 6 Feb 2019 15:38:59 -0800
Subject: [PATCH] add option to suppressLeadingAndTrailingTrivia non
 recursively

---
 src/services/utilities.ts | 24 +++++++++++++++++-------
 1 file changed, 17 insertions(+), 7 deletions(-)

diff --git a/src/services/utilities.ts b/src/services/utilities.ts
index 0574afe34bd..2b6d0acde88 100644
--- a/src/services/utilities.ts
+++ b/src/services/utilities.ts
@@ -1753,23 +1753,33 @@ namespace ts {
     /**
      * Sets EmitFlags to suppress leading and trailing trivia on the node.
      */
-    export function suppressLeadingAndTrailingTrivia(node: Node) {
-        suppressLeadingTrivia(node);
-        suppressTrailingTrivia(node);
+    export function suppressLeadingAndTrailingTrivia(node: Node, recursive = true) {
+        suppressLeadingTrivia(node, recursive);
+        suppressTrailingTrivia(node, recursive);
     }
 
     /**
      * Sets EmitFlags to suppress leading trivia on the node.
      */
-    export function suppressLeadingTrivia(node: Node) {
-        addEmitFlagsRecursively(node, EmitFlags.NoLeadingComments, getFirstChild);
+    export function suppressLeadingTrivia(node: Node, recursive = true) {
+        if (recursive) {
+            addEmitFlagsRecursively(node, EmitFlags.NoLeadingComments, getFirstChild);
+        }
+        else {
+            addEmitFlags(node, EmitFlags.NoLeadingComments);
+        }
     }
 
     /**
      * Sets EmitFlags to suppress trailing trivia on the node.
      */
-    export function suppressTrailingTrivia(node: Node) {
-        addEmitFlagsRecursively(node, EmitFlags.NoTrailingComments, getLastChild);
+    export function suppressTrailingTrivia(node: Node, recursive = true) {
+        if (recursive) {
+            addEmitFlagsRecursively(node, EmitFlags.NoTrailingComments, getLastChild);
+        }
+        else {
+            addEmitFlags(node, EmitFlags.NoTrailingComments);
+        }
     }
 
     function addEmitFlagsRecursively(node: Node, flag: EmitFlags, getChild: (n: Node) => Node | undefined) {