Don't print inner comments as leading when wrapping in ()

babel · Nov 5, 2022 · a71b1b4 · a71b1b4
1 parent ce09a26
commit a71b1b4
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Showing 2 changed files with 22 additions and 2 deletions.
diff --git a/packages/babel-generator/src/printer.ts b/packages/babel-generator/src/printer.ts
@@ -586,8 +586,6 @@ class Printer {
   ) {
     if (!node) return;
 
-    this._endsWithInnerRaw = false;
-
     const nodeType = node.type;
     const format = this.format;
 
@@ -638,6 +636,7 @@ class Printer {
     }
     if (shouldPrintParens) this.token("(");
 
+    this._endsWithInnerRaw = false;
     this._lastCommentLine = 0;
 
     this._printLeadingComments(node, parent);

diff --git a/packages/babel-generator/test/index.js b/packages/babel-generator/test/index.js
@@ -1055,6 +1055,27 @@ 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", () => {