add basic mention extension

packages/extension-mention/src/index.ts

@@ -0,0 +1,5 @@
+import { Mention } from './mention'
+
+export * from './mention'
+
+export default Mention

packages/extension-mention/src/mention.ts

@@ -0,0 +1,49 @@
+import { Node } from '@tiptap/core'
+import Suggestion from '@tiptap/suggestion'
+
+export const Mention = Node.create({
+  name: 'mention',
+
+  group: 'inline',
+
+  inline: true,
+
+  selectable: false,
+
+  atom: true,
+
+  addAttributes() {
+    return {
+      id: {
+        default: null,
+      },
+      label: {
+        default: null,
+      },
+    }
+  },
+
+  parseHTML() {
+    return [
+      {
+        tag: 'span[data-mention]',
+      },
+    ]
+  },
+
+  renderHTML({ node, HTMLAttributes }) {
+    return ['span', HTMLAttributes, `@${node.attrs.label}`]
+  },
+
+  addProseMirrorPlugins() {
+    return [
+      Suggestion({}),
+    ]
+  },
+})
+
+declare module '@tiptap/core' {
+  interface AllExtensions {
+    Mention: typeof Mention,
+  }
+}