From 9f3457797ff9b90f4cc794c173d626163f9a6046 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Barth=C3=A9l=C3=A9my=20Ledoux?= <ledouxb@me.com>
Date: Sun, 24 Feb 2019 06:34:38 -0600
Subject: [PATCH] Fix TypeScript parsers missing token check (#9571) (#9572)

* Fix TypeScript parsers missing token check (#9571)

* fix unit test
---
 .../babel-parser/src/plugins/typescript.js    |  3 +-
 .../members-with-modifier-names/input.js      |  1 +
 .../members-with-modifier-names/output.json   | 82 +++++++++++++++++--
 3 files changed, 77 insertions(+), 9 deletions(-)

diff --git a/packages/babel-parser/src/plugins/typescript.js b/packages/babel-parser/src/plugins/typescript.js
index 621f756f0a..1c0961ab97 100644
--- 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)
       );
     }
 
diff --git a/packages/babel-parser/test/fixtures/typescript/class/members-with-modifier-names/input.js b/packages/babel-parser/test/fixtures/typescript/class/members-with-modifier-names/input.js
index cbf422a383..97ead10b46 100644
--- a/packages/babel-parser/test/fixtures/typescript/class/members-with-modifier-names/input.js
+++ b/packages/babel-parser/test/fixtures/typescript/class/members-with-modifier-names/input.js
@@ -3,4 +3,5 @@ class C {
     public static(): void;
     readonly = 0;
     async<T>(): void;
+    abstract!:void;
 }
diff --git a/packages/babel-parser/test/fixtures/typescript/class/members-with-modifier-names/output.json b/packages/babel-parser/test/fixtures/typescript/class/members-with-modifier-names/output.json
index 47c282e398..bcd481d869 100644
--- a/packages/babel-parser/test/fixtures/typescript/class/members-with-modifier-names/output.json
+++ b/packages/babel-parser/test/fixtures/typescript/class/members-with-modifier-names/output.json
@@ -1,28 +1,28 @@
 {
   "type": "File",
   "start": 0,
-  "end": 98,
+  "end": 118,
   "loc": {
     "start": {
       "line": 1,
       "column": 0
     },
     "end": {
-      "line": 6,
+      "line": 7,
       "column": 1
     }
   },
   "program": {
     "type": "Program",
     "start": 0,
-    "end": 98,
+    "end": 118,
     "loc": {
       "start": {
         "line": 1,
         "column": 0
       },
       "end": {
-        "line": 6,
+        "line": 7,
         "column": 1
       }
     },
@@ -32,14 +32,14 @@
       {
         "type": "ClassDeclaration",
         "start": 0,
-        "end": 98,
+        "end": 118,
         "loc": {
           "start": {
             "line": 1,
             "column": 0
           },
           "end": {
-            "line": 6,
+            "line": 7,
             "column": 1
           }
         },
@@ -64,14 +64,14 @@
         "body": {
           "type": "ClassBody",
           "start": 8,
-          "end": 98,
+          "end": 118,
           "loc": {
             "start": {
               "line": 1,
               "column": 8
             },
             "end": {
-              "line": 6,
+              "line": 7,
               "column": 1
             }
           },
@@ -370,6 +370,72 @@
                   }
                 }
               }
+            },
+            {
+              "type": "ClassProperty",
+              "start": 101,
+              "end": 116,
+              "loc": {
+                "start": {
+                  "line": 6,
+                  "column": 4
+                },
+                "end": {
+                  "line": 6,
+                  "column": 19
+                }
+              },
+              "static": false,
+              "key": {
+                "type": "Identifier",
+                "start": 101,
+                "end": 109,
+                "loc": {
+                  "start": {
+                    "line": 6,
+                    "column": 4
+                  },
+                  "end": {
+                    "line": 6,
+                    "column": 12
+                  },
+                  "identifierName": "abstract"
+                },
+                "name": "abstract"
+              },
+              "computed": false,
+              "definite": true,
+              "typeAnnotation": {
+                "type": "TSTypeAnnotation",
+                "start": 110,
+                "end": 115,
+                "loc": {
+                  "start": {
+                    "line": 6,
+                    "column": 13
+                  },
+                  "end": {
+                    "line": 6,
+                    "column": 18
+                  }
+                },
+                "typeAnnotation": {
+                  "type": "TSVoidKeyword",
+                  "start": 111,
+                  "end": 115,
+                  "loc": {
+                    "start": {
+                      "line": 6,
+                      "column": 14
+                    },
+                    "end": {
+                      "line": 6,
+                      "column": 18
+                    }
+                  }
+                }
+              },
+              "value": null
             }
           ]
         }