From b6300a0869250e47ff36f24660bfb96a11fd7e24 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicol=C3=B2=20Ribaudo?= <nicolo.ribaudo@gmail.com>
Date: Tue, 12 Feb 2019 11:29:43 +0100
Subject: [PATCH] Add importKind to ImportDeclaration in babel/types

---
 packages/babel-types/src/definitions/es2015.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/packages/babel-types/src/definitions/es2015.js b/packages/babel-types/src/definitions/es2015.js
index f9766935cd..e18d0e4976 100644
--- a/packages/babel-types/src/definitions/es2015.js
+++ b/packages/babel-types/src/definitions/es2015.js
@@ -322,6 +322,11 @@ defineType("ImportDeclaration", {
     source: {
       validate: assertNodeType("StringLiteral"),
     },
+    importKind: {
+      // Handle Flowtype's extension "import {typeof foo} from"
+      validate: assertOneOf("type", "typeof", "value"),
+      optional: true,
+    },
   },
 });
 
@@ -357,7 +362,8 @@ defineType("ImportSpecifier", {
     },
     importKind: {
       // Handle Flowtype's extension "import {typeof foo} from"
-      validate: assertOneOf(null, "type", "typeof"),
+      validate: assertOneOf("type", "typeof"),
+      optional: true,
     },
   },
 });