fixup: slash merging

Author: addaleax

packages/async-rewriter2/src/async-writer-babel.spec.ts

@@ -119,6 +119,8 @@ describe('AsyncWriter', function () {
       expect(runTranspiledCode('undefined')).to.equal(undefined);
       expect(runTranspiledCode('[1,2,3]')).to.deep.equal([1, 2, 3]);
       expect(runTranspiledCode('({ a: 10 })')).to.deep.equal({ a: 10 });
+      // make sure that inserted debugging comments do not merge with division slashes
+      expect(runTranspiledCode('6/3')).to.deep.equal(2);
     });
 
     it('does not auto-resolve Promises automatically', function () {

packages/async-rewriter3/src/lib.rs

@@ -255,7 +255,7 @@ fn collect_insertions(node: &SyntaxNode, nesting_depth: u32) -> InsertionList {
             let kind = child.kind();
             if kind != SyntaxKind::TEMPLATE_ELEMENT {
                 insertions.push_back(Insertion::new_dynamic(range.start(),
-                    ["/*", format!("{kind:#?}").as_str(), "*/"].concat()
+                    [" /*", format!("{kind:#?}").as_str(), "*/ "].concat()
                 ));
             }
         }