Mentions Menu

import {
  BlockNoteSchema,
  defaultInlineContentSpecs,
  filterSuggestionItems,
} from "@blocknote/core";
import "@blocknote/core/fonts/inter.css";
import {
  DefaultReactSuggestionItem,
  SuggestionMenuController,
  useCreateBlockNote,
} from "@blocknote/react";
import { BlockNoteView } from "@blocknote/mantine";
import "@blocknote/mantine/style.css";
 
import { Mention } from "./Mention";
 
// Our schema with inline content specs, which contain the configs and
// implementations for inline content  that we want our editor to use.
const schema = BlockNoteSchema.create({
  inlineContentSpecs: {
    // Adds all default inline content.
    ...defaultInlineContentSpecs,
    // Adds the mention tag.
    mention: Mention,
  },
});
 
// Function which gets all users for the mentions menu.
const getMentionMenuItems = (
  editor: typeof schema.BlockNoteEditor
): DefaultReactSuggestionItem[] => {
  const users = ["Steve", "Bob", "Joe", "Mike"];
 
  return users.map((user) => ({
    title: user,
    onItemClick: () => {
      editor.insertInlineContent([
        {
          type: "mention",
          props: {
            user,
          },
        },
        " ", // add a space after the mention
      ]);
    },
  }));
};
 
export function App() {
  const editor = useCreateBlockNote({
    schema,
    initialContent: [
      {
        type: "paragraph",
        content: "Welcome to this demo!",
      },
      {
        type: "paragraph",
        content: [
          {
            type: "mention",
            props: {
              user: "Steve",
            },
          },
          {
            type: "text",
            text: " <- This is an example mention",
            styles: {},
          },
        ],
      },
      {
        type: "paragraph",
        content: "Press the '@' key to open the mentions menu and add another",
      },
      {
        type: "paragraph",
      },
    ],
  });
 
  return (
    <BlockNoteView editor={editor}>
      {/* Adds a mentions menu which opens with the "@" key */}
      <SuggestionMenuController
        triggerCharacter={"@"}
        getItems={async (query) =>
          // Gets the mentions menu items
          filterSuggestionItems(getMentionMenuItems(editor), query)
        }
      />
    </BlockNoteView>
  );
}
 
export default App;