feat(mkdist): emit .d.vue.ts as type declaration of .vue files

Author: Teages

src/plugins/mkdist.ts

@@ -71,12 +71,22 @@ export const vueLoader: Loader = async (input, mkdistContext) => {
   })
 
   // generate dts
-  const dts = (await mkdistContext.loadFile({
-    path: `${input.path}.js`,
-    srcPath: `${input.srcPath}.js`,
-    extension: '.js',
-    getContents: () => 'export default {}',
-  }))?.filter(f => f.declaration) || []
+  const dts = [
+    {
+      contents: 'export default {}',
+      path: `${input.path}.js`,
+      srcPath: `${input.srcPath}.js`,
+      extension: '.d.ts',
+      declaration: true,
+    },
+    {
+      contents: await input.getContents(),
+      path: input.path,
+      srcPath: input.srcPath,
+      extension: '.d.vue.ts',
+      declaration: true,
+    },
+  ]
 
   return [
     {