fix: avoid invalid modules with definePage query

Fix #338
posva · Mar 14, 2024 · 25bbec3 · 25bbec3
1 parent 69ea4f8
commit 25bbec3
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Showing 2 changed files with 14 additions and 4 deletions.
diff --git a/playground/src/pages/index.vue b/playground/src/pages/index.vue
@@ -1,3 +1,11 @@
+<script lang="ts" setup>
+definePage({
+  meta: {
+    title: 'hello',
+  },
+})
+</script>
+
 <template>
   <main>
     <h1>Home</h1>

diff --git a/src/core/definePage.ts b/src/core/definePage.ts
@@ -31,16 +31,18 @@ export function definePageTransform({
   code: string
   id: string
 }): Thenable<TransformResult> {
-  if (!code.includes(MACRO_DEFINE_PAGE)) return
+  // are we extracting only the definePage object
+  const isExtractingDefinePage = MACRO_DEFINE_PAGE_QUERY.test(id)
+
+  if (!code.includes(MACRO_DEFINE_PAGE)) {
+    return isExtractingDefinePage ? 'export default {}' : undefined
+  }
 
   // TODO: handle also non SFC
 
   const sfc = parseSFC(code, id)
   if (!sfc.scriptSetup) return
 
-  // are we extracting only the definePage object
-  const isExtractingDefinePage = MACRO_DEFINE_PAGE_QUERY.test(id)
-
   const { script, scriptSetup, getSetupAst } = sfc
   const setupAst = getSetupAst()