From fd1016b02b055a986a2e68859dd855a6f73c88a3 Mon Sep 17 00:00:00 2001
From: Kapil Borle <kborle@microsoft.com>
Date: Tue, 23 May 2017 18:51:12 -0700
Subject: [PATCH 1/2] Handle help completion result when null is returned

---
 src/features/HelpCompletion.ts | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/src/features/HelpCompletion.ts b/src/features/HelpCompletion.ts
index d4bc5f0736..d03d37a67d 100644
--- a/src/features/HelpCompletion.ts
+++ b/src/features/HelpCompletion.ts
@@ -154,12 +154,7 @@ class HelpCompletionProvider {
                 triggerPosition: triggerStartPos,
                 blockComment: this.triggerFinderBlockComment.found
             }).then(result => {
-                if (result === undefined) {
-                    return;
-                }
-
-                let content = result.content;
-                if (content === undefined) {
+                if (result == null || result.content == null) {
                     return;
                 }
 
@@ -169,7 +164,7 @@ class HelpCompletionProvider {
 
                 // Trim the leading whitespace (used by the rule for indentation) as VSCode takes care of the indentation.
                 // Trim the last empty line and join the strings.
-                let text = content.map(x => x.trimLeft()).slice(0, -1).join(this.getEOL(doc.eol));
+                let text = result.content.map(x => x.trimLeft()).slice(0, -1).join(this.getEOL(doc.eol));
                 editor.insertSnippet(new SnippetString(text), replaceRange);
             });
     }

From 56b2bfa2fb06bae8fe467b892abde83d63df1634 Mon Sep 17 00:00:00 2001
From: Kapil Borle <kborle@microsoft.com>
Date: Wed, 24 May 2017 11:59:17 -0700
Subject: [PATCH 2/2] Check document before trigger character for help
 completion

---
 src/features/HelpCompletion.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/features/HelpCompletion.ts b/src/features/HelpCompletion.ts
index d03d37a67d..f2a5f14e51 100644
--- a/src/features/HelpCompletion.ts
+++ b/src/features/HelpCompletion.ts
@@ -81,7 +81,9 @@ class TriggerFinder {
                 break;
 
             case SearchState.Locked:
-                if (changeText.length === 1 && changeText[0] === this.triggerCharacters[this.count] && document === this.document) {
+                if (document === this.document &&
+                        changeText.length === 1 &&
+                        changeText[0] === this.triggerCharacters[this.count]) {
                     this.count++;
                     if (this.count === this.triggerCharacters.length) {
                         this.state = SearchState.Found;