From 20e26e102f79dd3735a67044b63d136b4714c044 Mon Sep 17 00:00:00 2001
From: Georgii Dolzhykov <thorn.mailbox@gmail.com>
Date: Tue, 6 Sep 2022 11:55:11 +0300
Subject: [PATCH] Fix leading comments in mapped types with `readonly` (#13427)

---
 changelog_unreleased/typescript/13427.md | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 changelog_unreleased/typescript/13427.md

diff --git a/changelog_unreleased/typescript/13427.md b/changelog_unreleased/typescript/13427.md
new file mode 100644
index 000000000000..96f9b91da401
--- /dev/null
+++ b/changelog_unreleased/typescript/13427.md
@@ -0,0 +1,22 @@
+#### Fix leading comments in mapped types with `readonly` (#13427 by @thorn0, @sosukesuzuki)
+
+<!-- prettier-ignore -->
+```tsx
+// Input
+type Type = {
+  // comment
+  readonly [key in Foo];
+};
+
+// Prettier stable
+type Type = {
+  readonly // comment
+  [key in Foo];
+};
+
+// Prettier main
+type Type = {
+  // comment
+  readonly [key in Foo];
+};
+```