From 0d6a190c56fb3489f9f554b9035a008e29cc08ec Mon Sep 17 00:00:00 2001
From: Yadong Zhang <zhyd007@gmail.com>
Date: Mon, 5 Sep 2022 06:52:51 +0800
Subject: [PATCH] fix(eslint-plugin): [no-extra-parens] handle generic ts array
 type. (#5550)

Co-authored-by: Josh Goldberg <me@joshuakgoldberg.com>
---
 packages/eslint-plugin/src/rules/no-extra-parens.ts   |  4 +++-
 .../eslint-plugin/tests/rules/no-extra-parens.test.ts | 11 +++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/packages/eslint-plugin/src/rules/no-extra-parens.ts b/packages/eslint-plugin/src/rules/no-extra-parens.ts
index 71bfc4f10dc..1232f336048 100644
--- a/packages/eslint-plugin/src/rules/no-extra-parens.ts
+++ b/packages/eslint-plugin/src/rules/no-extra-parens.ts
@@ -79,7 +79,9 @@ export default util.createRule<Options, MessageIds>({
       if (
         node.arguments.length === 1 &&
         node.typeParameters?.params.some(
-          param => param.type === AST_NODE_TYPES.TSImportType,
+          param =>
+            param.type === AST_NODE_TYPES.TSImportType ||
+            param.type === AST_NODE_TYPES.TSArrayType,
         )
       ) {
         return rule({
diff --git a/packages/eslint-plugin/tests/rules/no-extra-parens.test.ts b/packages/eslint-plugin/tests/rules/no-extra-parens.test.ts
index 5a72b6015a2..058331be10a 100644
--- a/packages/eslint-plugin/tests/rules/no-extra-parens.test.ts
+++ b/packages/eslint-plugin/tests/rules/no-extra-parens.test.ts
@@ -227,6 +227,17 @@ switch (foo) { case 1: case (<2>2): break; default: break; }
         },
       ],
     }),
+    ...batchedSingleLineTests({
+      code: `
+declare const f: <T>(x: T) => any
+f<(number | string)[]>(['a', 1])
+      `,
+      parserOptions: {
+        ecmaFeatures: {
+          jsx: true,
+        },
+      },
+    }),
   ],
 
   invalid: [