From 0a4fdc155eb91535d996419dd3afcee1af315f48 Mon Sep 17 00:00:00 2001
From: Nicolas Gallagher <nicolasgallagher@gmail.com>
Date: Wed, 11 Oct 2017 15:02:12 -0700
Subject: [PATCH] [fix] babel plugin 'source' check

---
 babel/index.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/babel/index.js b/babel/index.js
index fba6b599..2f16ed08 100644
--- a/babel/index.js
+++ b/babel/index.js
@@ -106,7 +106,7 @@ module.exports = function({ types: t }) {
     visitor: {
       ImportDeclaration(path) {
         const { source, specifiers } = path.node;
-        if (source.value === 'react-native' && specifiers.length) {
+        if (source && source.value === 'react-native' && specifiers.length) {
           const imports = specifiers
             .map(specifier => {
               if (t.isImportSpecifier(specifier)) {
@@ -129,7 +129,7 @@ module.exports = function({ types: t }) {
       },
       ExportNamedDeclaration(path) {
         const { source, specifiers } = path.node;
-        if (source.value === 'react-native' && specifiers.length) {
+        if (source && source.value === 'react-native' && specifiers.length) {
           const exports = specifiers
             .map(specifier => {
               if (t.isExportSpecifier(specifier)) {