liveblocks.config.ts

import { LiveMap, createClient } from "@liveblocks/client";
import { createRoomContext } from "@liveblocks/react";
import { ReactionEvent } from "./types/type";

const client = createClient({
  throttle: 16,
  publicApiKey: process.env.NEXT_PUBLIC_LIVEBLOCKS_PUBLIC_KEY!
});

// Presence represents the properties that exist on every user in the Room
// and that will automatically be kept in sync. Accessible through the
// `user.presence` property. Must be JSON-serializable.
export type Presence = {
  cursor: { x: number, y: number } | null,
  message: string | null,
};

// Optionally, Storage represents the shared document that persists in the
// Room, even after all users leave. Fields under Storage typically are
// LiveList, LiveMap, LiveObject instances, for which updates are
// automatically persisted and synced to all connected clients.
type Storage = {
  // author: LiveObject<{ firstName: string, lastName: string }>,
  // ...
  canvasObjects: LiveMap<string, any>;
};

// Optionally, UserMeta represents static/readonly metadata on each user, as
// provided by your own custom auth back end (if used). Useful for data that
// will not change during a session, like a user's name or avatar.
type UserMeta = {
  // id?: string,  // Accessible through `user.id`
  // info?: Json,  // Accessible through `user.info`
};

// Optionally, the type of custom events broadcast and listened to in this
// room. Use a union for multiple events. Must be JSON-serializable.
type RoomEvent = ReactionEvent;

// Optionally, when using Comments, ThreadMetadata represents metadata on
// each thread. Can only contain booleans, strings, and numbers.
export type ThreadMetadata = {
  resolved: boolean;
  zIndex: number;
  time?: number;
  x: number;
  y: number;
};

export const {
  suspense: {
    RoomProvider,
    useRoom,
    useMyPresence,
    useUpdateMyPresence,
    useSelf,
    useOthers,
    useOthersMapped,
    useOthersConnectionIds,
    useOther,
    useBroadcastEvent,
    useEventListener,
    useErrorListener,
    useStorage,
    useObject,
    useMap,
    useList,
    useBatch,
    useHistory,
    useUndo,
    useRedo,
    useCanUndo,
    useCanRedo,
    useMutation,
    useStatus,
    useLostConnectionListener,
    useThreads,
    useUser,
    useCreateThread,
    useEditThreadMetadata,
    useCreateComment,
    useEditComment,
    useDeleteComment,
    useAddReaction,
    useRemoveReaction,
  }
} = createRoomContext<Presence, Storage, UserMeta, RoomEvent, ThreadMetadata>(client, {
  async resolveUsers({ userIds }) {
    // Used only for Comments. Return a list of user information retrieved
    // from `userIds`. This info is used in comments, mentions etc.

    // const usersData = await __fetchUsersFromDB__(userIds);
    // 
    // return usersData.map((userData) => ({
    //   name: userData.name,
    //   avatar: userData.avatar.src,
    // }));

    return [];
  },
  async resolveMentionSuggestions({ text, roomId }) {
    // Used only for Comments. Return a list of userIds that match `text`.
    // These userIds are used to create a mention list when typing in the
    // composer. 
    //
    // For example when you type "@jo", `text` will be `"jo"`, and 
    // you should to return an array with John and Joanna's userIds:
    // ["john@example.com", "joanna@example.com"]

    // const userIds = await __fetchAllUserIdsFromDB__(roomId);
    //
    // Return all userIds if no `text`
    // if (!text) {
    //   return userIds;
    // }
    //
    // Otherwise, filter userIds for the search `text` and return
    // return userIds.filter((userId) => 
    //   userId.toLowerCase().includes(text.toLowerCase())  
    // );

    return [];
  },
});