modify scroll behavior (always scrolltotop but on index page)

app/router.scrollBehavior.js

@@ -0,0 +1,10 @@
+/**
+ * https://nuxtjs.org/docs/configuration-glossary/configuration-router/#scrollbehavior
+ * always scrollToTop but on index page
+ */
+export default function (to, _from, savedPosition) {
+  if (to.name === 'index') {
+    return savedPosition
+  }
+  return { x: 0, y: 0 }
+}