From 7abb1e1c9ec95dcad44bf4882e05b094b7f67400 Mon Sep 17 00:00:00 2001
From: Gajus Kuizinas <gajus@gajus.com>
Date: Tue, 26 Jun 2018 18:33:44 +0100
Subject: [PATCH 1/3] feat: make no-cycle ignore Flow imports

---
 src/rules/no-cycle.js       | 4 ++++
 tests/src/rules/no-cycle.js | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/src/rules/no-cycle.js b/src/rules/no-cycle.js
index bbc251e38..ccf77dcf2 100644
--- a/src/rules/no-cycle.js
+++ b/src/rules/no-cycle.js
@@ -30,6 +30,10 @@ module.exports = {
     function checkSourceValue(sourceNode, importer) {
       const imported = Exports.get(sourceNode.value, context)
 
+      if (sourceNode.parent.importKind === 'type') {
+        return // no Flow import resolution
+      }
+
       if (imported == null) {
         return  // no-unresolved territory
       }
diff --git a/tests/src/rules/no-cycle.js b/tests/src/rules/no-cycle.js
index ae45ba36e..4ee4daacb 100644
--- a/tests/src/rules/no-cycle.js
+++ b/tests/src/rules/no-cycle.js
@@ -36,6 +36,10 @@ ruleTester.run('no-cycle', rule, {
       code: 'import { foo } from "./depth-two"',
       options: [{ maxDepth: 1 }],
     }),
+    test({
+      code: 'import type { FooType } from "./depth-one"',
+      parser: 'babel-eslint',
+    }),
   ],
   invalid: [
     test({

From 60f65979fae29fc38d11cd79ade6336037a789ea Mon Sep 17 00:00:00 2001
From: Gajus Kuizinas <gajus@gajus.com>
Date: Tue, 26 Jun 2018 19:30:36 +0100
Subject: [PATCH 2/3] fix: handly possible undefined parent

---
 src/rules/no-cycle.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/rules/no-cycle.js b/src/rules/no-cycle.js
index ccf77dcf2..a925f9871 100644
--- a/src/rules/no-cycle.js
+++ b/src/rules/no-cycle.js
@@ -30,7 +30,7 @@ module.exports = {
     function checkSourceValue(sourceNode, importer) {
       const imported = Exports.get(sourceNode.value, context)
 
-      if (sourceNode.parent.importKind === 'type') {
+      if (sourceNode.parent && sourceNode.parent.importKind === 'type') {
         return // no Flow import resolution
       }
 

From 3feb54cfa20db3ed39b8a32e430b4ea3508eda8a Mon Sep 17 00:00:00 2001
From: Gajus Kuizinas <gajus@gajus.com>
Date: Sun, 29 Jul 2018 12:50:40 +0100
Subject: [PATCH 3/3] fix: add a workaround for ESLint < v5

---
 src/rules/no-cycle.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/rules/no-cycle.js b/src/rules/no-cycle.js
index a925f9871..1a70db2c7 100644
--- a/src/rules/no-cycle.js
+++ b/src/rules/no-cycle.js
@@ -34,6 +34,10 @@ module.exports = {
         return // no Flow import resolution
       }
 
+      if (sourceNode._babelType === 'Literal') {
+        return // no Flow import resolution, workaround for ESLint < 5.x
+      }
+
       if (imported == null) {
         return  // no-unresolved territory
       }