From fe5c664710d392eaa612b3aacf458c2275440adb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicol=C3=B2=20Ribaudo?= <nicolo.ribaudo@gmail.com>
Date: Tue, 8 Nov 2022 15:27:18 +0100
Subject: [PATCH] Fix if there is a previous token

---
 packages/babel-generator/src/printer.ts       |  8 +++++--
 .../inner-comments-auto-parens/input.js       |  3 +++
 .../inner-comments-auto-parens/output.js      |  2 ++
 packages/babel-generator/test/index.js        | 21 -------------------
 4 files changed, 11 insertions(+), 23 deletions(-)
 create mode 100644 packages/babel-generator/test/fixtures/comments/inner-comments-auto-parens/input.js
 create mode 100644 packages/babel-generator/test/fixtures/comments/inner-comments-auto-parens/output.js

diff --git a/packages/babel-generator/src/printer.ts b/packages/babel-generator/src/printer.ts
index de26ac5c91a3..764016365bea 100644
--- a/packages/babel-generator/src/printer.ts
+++ b/packages/babel-generator/src/printer.ts
@@ -587,6 +587,8 @@ class Printer {
   ) {
     if (!node) return;
 
+    this._endsWithInnerRaw = false;
+
     const nodeType = node.type;
     const format = this.format;
 
@@ -635,9 +637,11 @@ class Printer {
     } else {
       shouldPrintParens = needsParens(node, parent, this._printStack);
     }
-    if (shouldPrintParens) this.token("(");
+    if (shouldPrintParens) {
+      this.token("(");
+      this._endsWithInnerRaw = false;
+    }
 
-    this._endsWithInnerRaw = false;
     this._lastCommentLine = 0;
 
     this._printLeadingComments(node, parent);
diff --git a/packages/babel-generator/test/fixtures/comments/inner-comments-auto-parens/input.js b/packages/babel-generator/test/fixtures/comments/inner-comments-auto-parens/input.js
new file mode 100644
index 000000000000..a609b593e45a
--- /dev/null
+++ b/packages/babel-generator/test/fixtures/comments/inner-comments-auto-parens/input.js
@@ -0,0 +1,3 @@
+1 + ((/* c */) => {});
+
+(function /* c */ () {});
diff --git a/packages/babel-generator/test/fixtures/comments/inner-comments-auto-parens/output.js b/packages/babel-generator/test/fixtures/comments/inner-comments-auto-parens/output.js
new file mode 100644
index 000000000000..9d47d48492d4
--- /dev/null
+++ b/packages/babel-generator/test/fixtures/comments/inner-comments-auto-parens/output.js
@@ -0,0 +1,2 @@
+1 + (( /* c */) => {});
+(function /* c */ () {});
\ No newline at end of file
diff --git a/packages/babel-generator/test/index.js b/packages/babel-generator/test/index.js
index 0229df86ac63..a5493e1ee858 100644
--- a/packages/babel-generator/test/index.js
+++ b/packages/babel-generator/test/index.js
@@ -1055,27 +1055,6 @@ describe("programmatic generation", function () {
       const output = generate(exportDefaultDeclaration).code;
       expect(output).toBe("export default (function () {});");
     });
-
-    it("inner comments are not printed after leading parenthesis", () => {
-      const functionExpression = t.functionExpression(
-        null,
-        [],
-        t.blockStatement([]),
-      );
-      functionExpression.innerComments = [
-        {
-          type: "CommentBlock",
-          value: "foo",
-        },
-      ];
-      const stmt = t.expressionStatement(functionExpression);
-      const output = generate(stmt).code;
-      expect(output).toMatchInlineSnapshot(`
-        "(function
-          /*foo*/
-        () {});"
-      `);
-    });
   });
 
   describe("class expressions", () => {