add horizontal rule, fix #170

packages/tiptap-extensions/src/nodes/HorizontalRule.js

@@ -0,0 +1,19 @@
+import { Node } from 'tiptap'
+
+export default class HorizontalRule extends Node {
+  get name() {
+    return 'horizontal_rule'
+  }
+
+  get schema() {
+    return {
+      group: 'block',
+      parseDOM: [{ tag: 'hr' }],
+      toDOM: () => ['hr'],
+    }
+  }
+
+  commands({ type }) {
+    return () => (state, dispatch) => dispatch(state.tr.replaceSelectionWith(type.create()))
+  }
+}