diff --git a/packages/compiler-sfc/__tests__/parse.spec.ts b/packages/compiler-sfc/__tests__/parse.spec.ts
index 75ed1196..d3b5330a 100644
--- a/packages/compiler-sfc/__tests__/parse.spec.ts
+++ b/packages/compiler-sfc/__tests__/parse.spec.ts
@@ -8,11 +8,13 @@ describe('compiler:sfc', () => {
     test('style block', () => {
       const style = parse(`<style>\n.color {\n color: red;\n }\n</style>\n`)
         .styles[0]
+      // TODO need to actually test this with SourceMapConsumer
       expect(style.map).not.toBeUndefined()
     })
 
     test('script block', () => {
       const script = parse(`<script>\nconsole.log(1)\n }\n</script>\n`).script
+      // TODO need to actually test this with SourceMapConsumer
       expect(script!.map).not.toBeUndefined()
     })
   })
diff --git a/packages/compiler-sfc/src/parse.ts b/packages/compiler-sfc/src/parse.ts
index bb82d8a4..e37dbb98 100644
--- a/packages/compiler-sfc/src/parse.ts
+++ b/packages/compiler-sfc/src/parse.ts
@@ -74,6 +74,7 @@ export function parse(
     styles: [],
     customBlocks: []
   }
+
   const ast = baseParse(source, {
     isNativeTag: () => true,
     getTextMode: () => TextModes.RAWTEXT
@@ -86,6 +87,7 @@ export function parse(
     if (!node.children.length) {
       return
     }
+    // TODO handle pad option
     switch (node.tag) {
       case 'template':
         if (!sfc.template) {