refactor: recreate extension exports

packages/extension-horizontal-rule/src/horizontal-rule.ts

@@ -11,7 +11,7 @@ export interface HorizontalRuleOptions {
   },
 }
 
-const HorizontalRule = Node.create({
+export const HorizontalRule = Node.create({
   name: 'horizontalRule',
 
   defaultOptions: <HorizontalRuleOptions>{
@@ -52,8 +52,6 @@ const HorizontalRule = Node.create({
   },
 })
 
-export default HorizontalRule
-
 declare module '@tiptap/core' {
   interface AllExtensions {
     HorizontalRule: typeof HorizontalRule,

packages/extension-horizontal-rule/src/index.ts

@@ -0,0 +1,5 @@
+import { HorizontalRule } from './horizontal-rule'
+
+export * from './horizontal-rule'
+
+export default HorizontalRule