From 811b219b27459589a11f17e8a83925fc0f2e5a45 Mon Sep 17 00:00:00 2001
From: Boshen <boshenc@gmail.com>
Date: Fri, 1 Dec 2023 21:36:01 +0800
Subject: [PATCH] feat(prettier): add parens to `new class {}` (#1604)

---
 crates/oxc_prettier/src/needs_parens.rs     | 10 +++++++++-
 tasks/prettier_conformance/prettier.snap.md |  3 +--
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/crates/oxc_prettier/src/needs_parens.rs b/crates/oxc_prettier/src/needs_parens.rs
index 6aaf80fb6..7fbf46aed 100644
--- a/crates/oxc_prettier/src/needs_parens.rs
+++ b/crates/oxc_prettier/src/needs_parens.rs
@@ -70,7 +70,15 @@ impl<'a> Prettier<'a> {
                     _ => false,
                 }
             }
-            AstKind::Class(c) if c.is_expression() => self.check_object_function_class(c.span),
+            AstKind::Class(c) if c.is_expression() => {
+                if self.check_object_function_class(c.span) {
+                    return true;
+                }
+                if let AstKind::NewExpression(new_expr) = parent_kind {
+                    return new_expr.callee.span() == c.span;
+                }
+                false
+            }
             AstKind::AssignmentExpression(assign_expr) => match parent_kind {
                 AstKind::ArrowExpression(arrow_expr)
                     if arrow_expr
diff --git a/tasks/prettier_conformance/prettier.snap.md b/tasks/prettier_conformance/prettier.snap.md
index f4add2de7..2f44845eb 100644
--- a/tasks/prettier_conformance/prettier.snap.md
+++ b/tasks/prettier_conformance/prettier.snap.md
@@ -1,4 +1,4 @@
-Compatibility: 215/561 (38.32%)
+Compatibility: 216/561 (38.50%)
 
 # Failed
 
@@ -114,7 +114,6 @@ Compatibility: 215/561 (38.32%)
 * classes/assignment.js
 * classes/empty.js
 * classes/method.js
-* classes/new.js
 * classes/property.js
 
 ### classes-private-fields