From cf7010b6da2515045ce23d35e2bf17f4aefa3647 Mon Sep 17 00:00:00 2001
From: Armano <armano2@users.noreply.github.com>
Date: Fri, 1 Feb 2019 01:38:41 +0100
Subject: [PATCH 1/2] test(eslint-plugin): add test case for eslint
 arrow-parens

---
 .../tests/lib/eslint-rules/arrow-parens.js    | 44 +++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 packages/eslint-plugin/tests/lib/eslint-rules/arrow-parens.js

diff --git a/packages/eslint-plugin/tests/lib/eslint-rules/arrow-parens.js b/packages/eslint-plugin/tests/lib/eslint-rules/arrow-parens.js
new file mode 100644
index 000000000000..8e5b96808afc
--- /dev/null
+++ b/packages/eslint-plugin/tests/lib/eslint-rules/arrow-parens.js
@@ -0,0 +1,44 @@
+'use strict';
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require('eslint/lib/rules/arrow-parens'),
+  RuleTester = require('eslint').RuleTester;
+
+const ruleTester = new RuleTester({
+  parser: '@typescript-eslint/parser'
+});
+
+ruleTester.run('arrow-parens', rule, {
+  valid: [
+    // https://github.com/typescript-eslint/typescript-eslint/issues/14
+    'const foo = (t) => {};',
+    'const foo = <T>(t) => {};',
+    'const foo = <T>(t: T) => {};',
+    'const foo = <T>((t: T) => {});',
+    'const foo = function <T>(t: T) {};',
+    {
+      code: 'const foo = t => {};',
+      options: ["as-needed"]
+    },
+    {
+      code: 'const foo = <T>(t) => {};',
+      options: ["as-needed"]
+    },
+    {
+      code: 'const foo = (t: T) => {};',
+      options: ["as-needed"]
+    },
+    {
+      code: 'const foo = <T>(t: T) => {};',
+      options: ["as-needed"]
+    },
+    {
+      code: 'const foo = <T>(t: T) => ({});',
+      options: ["as-needed", { requireForBlockBody: true }]
+    }
+  ],
+  invalid: []
+});

From e0ba177c2b36cf9e5cf72e5d67f1ccdcbe7e5de2 Mon Sep 17 00:00:00 2001
From: Armano <armano2@users.noreply.github.com>
Date: Fri, 1 Feb 2019 01:42:12 +0100
Subject: [PATCH 2/2] test(eslint-plugin): fix linting issue

---
 .../tests/lib/eslint-rules/arrow-parens.js             | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/packages/eslint-plugin/tests/lib/eslint-rules/arrow-parens.js b/packages/eslint-plugin/tests/lib/eslint-rules/arrow-parens.js
index 8e5b96808afc..e8a77ca2013d 100644
--- a/packages/eslint-plugin/tests/lib/eslint-rules/arrow-parens.js
+++ b/packages/eslint-plugin/tests/lib/eslint-rules/arrow-parens.js
@@ -21,23 +21,23 @@ ruleTester.run('arrow-parens', rule, {
     'const foo = function <T>(t: T) {};',
     {
       code: 'const foo = t => {};',
-      options: ["as-needed"]
+      options: ['as-needed']
     },
     {
       code: 'const foo = <T>(t) => {};',
-      options: ["as-needed"]
+      options: ['as-needed']
     },
     {
       code: 'const foo = (t: T) => {};',
-      options: ["as-needed"]
+      options: ['as-needed']
     },
     {
       code: 'const foo = <T>(t: T) => {};',
-      options: ["as-needed"]
+      options: ['as-needed']
     },
     {
       code: 'const foo = <T>(t: T) => ({});',
-      options: ["as-needed", { requireForBlockBody: true }]
+      options: ['as-needed', { requireForBlockBody: true }]
     }
   ],
   invalid: []