From 40d4bb181548a4e8751ef1ced6959c46ecdebcc3 Mon Sep 17 00:00:00 2001
From: fisker Cheung <lionkay@gmail.com>
Date: Sun, 16 Nov 2025 20:37:39 +0800
Subject: [PATCH] Remove redundant parentheses around JSX element (#18243)

---
 changelog_unreleased/javascript/18243.md      | 27 +++++++++
 src/language-js/print/jsx.js                  |  1 +
 .../__snapshots__/format.test.js.snap         | 59 +++++++++++++++++++
 tests/format/jsx/parentheses/argument.js      | 23 ++++++++
 tests/format/jsx/parentheses/format.test.js   | 15 +++++
 5 files changed, 125 insertions(+)
 create mode 100644 changelog_unreleased/javascript/18243.md
 create mode 100644 tests/format/jsx/parentheses/__snapshots__/format.test.js.snap
 create mode 100644 tests/format/jsx/parentheses/argument.js
 create mode 100644 tests/format/jsx/parentheses/format.test.js

diff --git a/changelog_unreleased/javascript/18243.md b/changelog_unreleased/javascript/18243.md
new file mode 100644
index 000000000..e690584b8
--- /dev/null
+++ b/changelog_unreleased/javascript/18243.md
@@ -0,0 +1,27 @@
+#### Remove redundant parentheses around JSX element (#18243 by @fisker)
+
+<!-- prettier-ignore -->
+```jsx
+// Input
+new A(
+  <div>
+    <div></div>
+  </div>
+)
+
+// Prettier stable
+new A(
+  (
+    <div>
+      <div></div>
+    </div>
+  ),
+);
+
+// Prettier main
+new A(
+  <div>
+    <div></div>
+  </div>,
+);
+```
diff --git a/src/language-js/print/jsx.js b/src/language-js/print/jsx.js
index 60d36b7ba..b3f5644d5 100644
--- a/src/language-js/print/jsx.js
+++ b/src/language-js/print/jsx.js
@@ -490,6 +490,7 @@ const isNoWrapParent = createTypeCheckFunction([
   "JSXExpressionContainer",
   "JSXFragment",
   "ExpressionStatement",
+  "NewExpression",
   "CallExpression",
   "OptionalCallExpression",
   "ConditionalExpression",
diff --git a/tests/format/jsx/parentheses/__snapshots__/format.test.js.snap b/tests/format/jsx/parentheses/__snapshots__/format.test.js.snap
new file mode 100644
index 000000000..086d54606
--- /dev/null
+++ b/tests/format/jsx/parentheses/__snapshots__/format.test.js.snap
@@ -0,0 +1,59 @@
+// Jest Snapshot v1, https://jestjs.io/docs/snapshot-testing
+
+exports[`argument.js format 1`] = `
+====================================options=====================================
+parsers: ["babel", "babel-flow", "babel-ts", "__babel_estree", "typescript", "flow", "meriyah", "acorn", "espree", "espree", "hermes", "oxc", "oxc-ts"]
+printWidth: 80
+                                                                                | printWidth
+=====================================input======================================
+new A(
+  <div>
+    <div></div>
+  </div>
+)
+
+A(
+  <div>
+    <div></div>
+  </div>
+)
+
+new A(
+  <>
+    <div></div>
+  </>
+)
+
+A(
+  <>
+    <div></div>
+  </>
+)
+
+=====================================output=====================================
+new A(
+  <div>
+    <div></div>
+  </div>,
+);
+
+A(
+  <div>
+    <div></div>
+  </div>,
+);
+
+new A(
+  <>
+    <div></div>
+  </>,
+);
+
+A(
+  <>
+    <div></div>
+  </>,
+);
+
+================================================================================
+`;
diff --git a/tests/format/jsx/parentheses/argument.js b/tests/format/jsx/parentheses/argument.js
new file mode 100644
index 000000000..0cd8c1276
--- /dev/null
+++ b/tests/format/jsx/parentheses/argument.js
@@ -0,0 +1,23 @@
+new A(
+  <div>
+    <div></div>
+  </div>
+)
+
+A(
+  <div>
+    <div></div>
+  </div>
+)
+
+new A(
+  <>
+    <div></div>
+  </>
+)
+
+A(
+  <>
+    <div></div>
+  </>
+)
diff --git a/tests/format/jsx/parentheses/format.test.js b/tests/format/jsx/parentheses/format.test.js
new file mode 100644
index 000000000..a6dfd8599
--- /dev/null
+++ b/tests/format/jsx/parentheses/format.test.js
@@ -0,0 +1,15 @@
+runFormatTest(import.meta, [
+  "babel",
+  "babel-flow",
+  "babel-ts",
+  "__babel_estree",
+  "typescript",
+  "flow",
+  "meriyah",
+  "acorn",
+  "espree",
+  "espree",
+  "hermes",
+  "oxc",
+  "oxc-ts",
+]);