Render emtpy block comments after tree-shaken statements (#5231)

Render emtpy blick comments after tree-shaken statements
rollup · Oct 31, 2023 · 835a7fa · 835a7fa
1 parent 17d33a9
commit 835a7fa
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Showing 4 changed files with 11 additions and 1 deletion.
diff --git a/src/utils/renderHelpers.ts b/src/utils/renderHelpers.ts
@@ -82,7 +82,7 @@ export function findFirstLineBreakOutsideComment(code: string): [number, number]
 		// With our assumption, '/' always starts a comment. Determine comment type:
 		charCodeAfterSlash = code.charCodeAt(start + 1);
 		if (charCodeAfterSlash === 47 /*"/"*/) return [start, lineBreakPos + 1];
-		start = code.indexOf('*/', start + 3) + 2;
+		start = code.indexOf('*/', start + 2) + 2;
 		if (start > lineBreakPos) {
 			lineBreakPos = code.indexOf('\n', start);
 		}

diff --git a/test/form/samples/empty-block-comment/_config.js b/test/form/samples/empty-block-comment/_config.js
@@ -0,0 +1,3 @@
+module.exports = defineTest({
+	description: 'renders empty block comments after tree-shaken statements (#5230)'
+});
diff --git a/test/form/samples/empty-block-comment/_expected.js b/test/form/samples/empty-block-comment/_expected.js
@@ -0,0 +1,4 @@
+function instance() {
+}
+
+export { instance };
diff --git a/test/form/samples/empty-block-comment/main.js b/test/form/samples/empty-block-comment/main.js
@@ -0,0 +1,3 @@
+export function instance() {
+		const b = 2; /**/
+}