preserve newlines before jsdoc comments where appropriate (#1341)

Rich-Harris · web-flow · commit 00c503ad0335 · 2025-05-14T13:32:28.000-04:00
diff --git a/packages/site-kit/src/lib/markdown/renderer.ts b/packages/site-kit/src/lib/markdown/renderer.ts
@@ -563,7 +563,10 @@ async function convert_to_ts(js_code: string, indent = '', offset = '') {
 				while (start > 0 && code.original[start - 1] === '\t') start -= 1;
 				while (start > 0 && code.original[start - 1] === '\n') start -= 1;
 
-				code.overwrite(start, end, '');
+				const slice = code.original.slice(node.getStart(), node.getEnd());
+				const is_multiline = slice.includes('\n');
+
+				code.overwrite(start, end, is_multiline ? '\n' : '');
 			}
 		}
 

Original file line number	Diff line number	Diff line change
`@@ -563,7 +563,10 @@ async function convert_to_ts(js_code: string, indent = '', offset = '') {`
`563`	`563`	`while (start > 0 && code.original[start - 1] === '\t') start -= 1;`
`564`	`564`	`while (start > 0 && code.original[start - 1] === '\n') start -= 1;`
`565`	`565`
`566`		`- code.overwrite(start, end, '');`
	`566`	`+ const slice = code.original.slice(node.getStart(), node.getEnd());`
	`567`	`+ const is_multiline = slice.includes('\n');`
	`568`	`+`
	`569`	`+ code.overwrite(start, end, is_multiline ? '\n' : '');`
`567`	`570`	`}`
`568`	`571`	`}`
`569`	`572`