From 24c04b78fafe7d2ae8fe1aabbfd2028be72a9683 Mon Sep 17 00:00:00 2001
From: Ben Mosher <me@benmosher.com>
Date: Tue, 20 Sep 2016 09:13:31 -0400
Subject: [PATCH] Fix #545: allow re-export of defaults from ignored files
 (i.e. node_modules)

---
 src/rules/default.js                       |  2 +-
 tests/files/default-export-from-ignored.js |  1 +
 tests/files/default-export-from-named.js   |  1 +
 tests/files/default-export-from.js         |  1 +
 tests/src/rules/default.js                 | 21 +++++++++++++++++++++
 5 files changed, 25 insertions(+), 1 deletion(-)
 create mode 100644 tests/files/default-export-from-ignored.js
 create mode 100644 tests/files/default-export-from-named.js
 create mode 100644 tests/files/default-export-from.js

diff --git a/src/rules/default.js b/src/rules/default.js
index 4aa5b965f..ed87e5442 100644
--- a/src/rules/default.js
+++ b/src/rules/default.js
@@ -19,7 +19,7 @@ module.exports = function (context) {
 
     if (imports.errors.length) {
       imports.reportErrors(context, node)
-    } else if (!imports.get('default')) {
+    } else if (imports.get('default') === undefined) {
       context.report(defaultSpecifier, 'No default export found in module.')
     }
   }
diff --git a/tests/files/default-export-from-ignored.js b/tests/files/default-export-from-ignored.js
new file mode 100644
index 000000000..3113adc1a
--- /dev/null
+++ b/tests/files/default-export-from-ignored.js
@@ -0,0 +1 @@
+export { foo as default } from './common.js'
diff --git a/tests/files/default-export-from-named.js b/tests/files/default-export-from-named.js
new file mode 100644
index 000000000..916f7bafa
--- /dev/null
+++ b/tests/files/default-export-from-named.js
@@ -0,0 +1 @@
+export { d as default } from './named-exports.js'
diff --git a/tests/files/default-export-from.js b/tests/files/default-export-from.js
new file mode 100644
index 000000000..1a3a112f5
--- /dev/null
+++ b/tests/files/default-export-from.js
@@ -0,0 +1 @@
+export default from './bar'
diff --git a/tests/src/rules/default.js b/tests/src/rules/default.js
index 4308d3483..003728295 100644
--- a/tests/src/rules/default.js
+++ b/tests/src/rules/default.js
@@ -66,6 +66,27 @@ ruleTester.run('default', rule, {
       parser: 'babel-eslint',
     }),
 
+    // #545: more ES7 cases
+    test({
+      code: "import bar from './default-export-from.js';",
+      parser: 'babel-eslint',
+    }),
+    test({
+      code: "import bar from './default-export-from-named.js';",
+      parser: 'babel-eslint',
+    }),
+    test({
+      code: "import bar from './default-export-from-ignored.js';",
+      settings: { 'import/ignore': ['common'] },
+      parser: 'babel-eslint',
+    }),
+    test({
+      code: "export bar from './default-export-from-ignored.js';",
+      settings: { 'import/ignore': ['common'] },
+      parser: 'babel-eslint',
+    }),
+
+
     ...SYNTAX_CASES,
   ],