From 41eca014e12821248d13de999eff0306baeaa1cc Mon Sep 17 00:00:00 2001
From: denisname <denisname@users.noreply.github.com>
Date: Wed, 1 Aug 2018 22:53:31 +0200
Subject: [PATCH]  `document.body` is possibly 'null' in TypeScript@next
 (#27782)

---
 types/bootstrap/bootstrap-tests.ts | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/types/bootstrap/bootstrap-tests.ts b/types/bootstrap/bootstrap-tests.ts
index f0bbbea7f2..9a80afc654 100755
--- a/types/bootstrap/bootstrap-tests.ts
+++ b/types/bootstrap/bootstrap-tests.ts
@@ -1,3 +1,5 @@
+declare let aHtmlElement: HTMLElement;
+
 // --------------------------------------------------------------------------------------
 // Alert
 // --------------------------------------------------------------------------------------
@@ -78,7 +80,7 @@ $("#collapse").collapse({
 });
 
 $("#collapse").collapse({
-    parent: document.body,
+    parent: aHtmlElement,
 });
 
 $("#collapse").collapse({
@@ -122,11 +124,11 @@ $("#dropdown").dropdown({
 });
 
 $("#dropdown").dropdown({
-    boundary: document.body,
+    boundary: aHtmlElement,
 });
 
 $("#dropdown").dropdown({
-    reference: document.body,
+    reference: aHtmlElement,
 });
 
 // --------------------------------------------------------------------------------------
@@ -340,5 +342,5 @@ $("#tooltip").tooltip({
 });
 
 $("#tooltip").tooltip({
-    boundary: document.body,
+    boundary: aHtmlElement,
 });