From 377ac06050e4270c19989ed5c58f808d3642a0d7 Mon Sep 17 00:00:00 2001
From: Nathan Shively-Sanders <nathansa@microsoft.com>
Date: Thu, 24 Aug 2017 08:56:36 -0700
Subject: [PATCH] Allow ! and ... as start-of-type tokens

Which allows the rest of the jsdoc types to be used in type argument
lists
---
 src/compiler/parser.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/compiler/parser.ts b/src/compiler/parser.ts
index 7486c7541be..360887f0b67 100644
--- a/src/compiler/parser.ts
+++ b/src/compiler/parser.ts
@@ -2722,6 +2722,8 @@ namespace ts {
                 case SyntaxKind.ObjectKeyword:
                 case SyntaxKind.AsteriskToken:
                 case SyntaxKind.QuestionToken:
+                case SyntaxKind.ExclamationToken:
+                case SyntaxKind.DotDotDotToken:
                     return true;
                 case SyntaxKind.MinusToken:
                     return lookAhead(nextTokenIsNumericLiteral);