Fix TypeScript parsers missing token check (#9571) (#9572)

* Fix TypeScript parsers missing token check (#9571) * fix unit test
2019-02-24 06:34:38 -06:00
parent 0b01b5217b
commit 9f3457797f
3 changed files with 77 additions and 9 deletions
--- a/packages/babel-parser/src/plugins/typescript.js
+++ b/packages/babel-parser/src/plugins/typescript.js
@@ -86,7 +86,8 @@ export default (superClass: Class<Parser>): Class<Parser> =>
        !this.match(tt.parenR) &&
        !this.match(tt.colon) &&
        !this.match(tt.eq) &&
-        !this.match(tt.question)
+        !this.match(tt.question) &&
+        !this.match(tt.bang)
      );
    }