diff --git a/JavaScript/TypeScript.sublime-syntax b/JavaScript/TypeScript.sublime-syntax
index 0767815b3e..510c70f2ed 100644
--- a/JavaScript/TypeScript.sublime-syntax
+++ b/JavaScript/TypeScript.sublime-syntax
@@ -854,6 +854,11 @@ contexts:
             - ts-type-expression-begin
 
   ts-type-expression-begin:
+    # Placeholder in LSP output. This should never occur in actual TypeScript code.
+    - match: '\.\.\. \d+ more \.\.\.'
+      scope: comment.other.ts
+      pop: true
+
     - match: keyof{{identifier_break}}
       scope: keyword.operator.type.js
     - match: typeof{{identifier_break}}
diff --git a/JavaScript/tests/syntax_test_typescript.ts b/JavaScript/tests/syntax_test_typescript.ts
index 3b380ddf9e..ee7bd6fd62 100644
--- a/JavaScript/tests/syntax_test_typescript.ts
+++ b/JavaScript/tests/syntax_test_typescript.ts
@@ -1390,3 +1390,12 @@ type T<in out U> = V;
 //        ^^^ storage.modifier.variance
 //            ^ variable.parameter.generic
 //             ^ punctuation.definition.generic.end
+
+type T = Foo | ... 100 more ... | Bar;
+//^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ meta.type-alias
+//       ^^^ support.class
+//           ^ keyword.operator.type.union
+//             ^^^^^^^^^^^^^^^^ comment.other.ts
+//                              ^ keyword.operator.type.union
+//                                ^^^ support.class
+//                                   ^ punctuation.terminator.statement.empty