From fc7da89a54f8c6401a14e3867e8ac1eb6e101b1a Mon Sep 17 00:00:00 2001
From: fisker Cheung <lionkay@gmail.com>
Date: Fri, 10 Oct 2025 23:43:08 +0800
Subject: [PATCH] Improve `require()` call with comments (#18037)

---
 changelog_unreleased/javascript/18037.md      | 35 ++++++++++++++++
 src/language-js/print/call-expression.js      |  5 ++-
 .../require/__snapshots__/format.test.js.snap | 42 +++++++++++++++++++
 tests/format/js/require/comments.js           | 13 ++++++
 4 files changed, 94 insertions(+), 1 deletion(-)
 create mode 100644 changelog_unreleased/javascript/18037.md
 create mode 100644 tests/format/js/require/comments.js

diff --git a/changelog_unreleased/javascript/18037.md b/changelog_unreleased/javascript/18037.md
new file mode 100644
index 000000000..51b53126a
--- /dev/null
+++ b/changelog_unreleased/javascript/18037.md
@@ -0,0 +1,35 @@
+#### Improve `require()` call with comments (#18037 by @fisker)
+
+<!-- prettier-ignore -->
+```jsx
+// Input
+require(
+// Comment
+"foo"
+);
+
+call(
+// Comment
+"foo"
+);
+
+// Prettier stable
+require(// Comment
+"foo");
+
+call(
+  // Comment
+  "foo",
+);
+
+// Prettier main
+require(
+  // Comment
+  "foo",
+);
+
+call(
+  // Comment
+  "foo",
+);
+```
diff --git a/src/language-js/print/call-expression.js b/src/language-js/print/call-expression.js
index c86399dbc..781345762 100644
--- a/src/language-js/print/call-expression.js
+++ b/src/language-js/print/call-expression.js
@@ -172,7 +172,10 @@ function isCommonsJsOrAmdModuleDefinition(path) {
 
   // AMD module
   if (node.callee.name === "require") {
-    return (args.length === 1 && isStringLiteral(args[0])) || args.length > 1;
+    return (
+      ((args.length === 1 && isStringLiteral(args[0])) || args.length > 1) &&
+      !hasComment(args[0])
+    );
   }
 
   // CommonJS module
diff --git a/tests/format/js/require/__snapshots__/format.test.js.snap b/tests/format/js/require/__snapshots__/format.test.js.snap
index 2241d3609..8724299cc 100644
--- a/tests/format/js/require/__snapshots__/format.test.js.snap
+++ b/tests/format/js/require/__snapshots__/format.test.js.snap
@@ -1,5 +1,47 @@
 // Jest Snapshot v1, https://jestjs.io/docs/snapshot-testing
 
+exports[`comments.js format 1`] = `
+====================================options=====================================
+parsers: ["babel", "flow", "typescript"]
+printWidth: 80
+                                                                                | printWidth
+=====================================input======================================
+require(
+// 1
+"foo"
+);
+require.resolve(// 2
+"foo");
+require.resolve.paths(// 3
+"foo");
+
+call(
+// 4
+"foo"
+);
+
+=====================================output=====================================
+require(
+  // 1
+  "foo",
+);
+require.resolve(
+  // 2
+  "foo",
+);
+require.resolve.paths(
+  // 3
+  "foo",
+);
+
+call(
+  // 4
+  "foo",
+);
+
+================================================================================
+`;
+
 exports[`long-module-name.js format 1`] = `
 ====================================options=====================================
 parsers: ["babel", "flow", "typescript"]
diff --git a/tests/format/js/require/comments.js b/tests/format/js/require/comments.js
new file mode 100644
index 000000000..95d654a53
--- /dev/null
+++ b/tests/format/js/require/comments.js
@@ -0,0 +1,13 @@
+require(
+// 1
+"foo"
+);
+require.resolve(// 2
+"foo");
+require.resolve.paths(// 3
+"foo");
+
+call(
+// 4
+"foo"
+);