Next.js 12 Quickstart

LIVEKIT_API_KEY=<your API Key>
LIVEKIT_API_SECRET=<your API Secret>
NEXT_PUBLIC_LIVEKIT_URL=<your LiveKit server URL>

import { AccessToken } from "livekit-server-sdk";
import { NextApiRequest, NextApiResponse } from "next";

export default async function handler(req: NextApiRequest, res: NextApiResponse) {
  const room = req.query.room as string;
  const username = req.query.username as string;
  if (req.method !== "GET") {
    return res.status(400).json({ error: "Invalid method" });
  } else if (!room) {
    return res.status(400).json({ error: 'Missing "room" query parameter' });
  } else if (!username) {
    return res.status(400).json({ error: 'Missing "username" query parameter' });
  }

  const apiKey = process.env.LIVEKIT_API_KEY;
  const apiSecret = process.env.LIVEKIT_API_SECRET;
  const wsUrl = process.env.NEXT_PUBLIC_LIVEKIT_URL;

  if (!apiKey || !apiSecret || !wsUrl) {
    return res.status(500).json({ error: "Server misconfigured" });
  }

  const at = new AccessToken(apiKey, apiSecret, { identity: username });

  at.addGrant({ room, roomJoin: true, canPublish: true, canSubscribe: true });
  res.status(200).json({ token: await at.toJwt() });
}

import '@livekit/components-styles';
import {
  LiveKitRoom,
  VideoConference,
  GridLayout,
  ParticipantTile,
} from '@livekit/components-react';
import { Track } from 'livekit-client';
import { useEffect, useState } from 'react';

export default () => {
  // TODO: get user input for room and name
  const room = 'quickstart-room';
  const name = 'quickstart-user';
  const [token, setToken] = useState('');

  useEffect(() => {
    (async () => {
      const resp = await fetch(`/api/get_lk_token?room=${room}&username=${name}`);
      const data = await resp.json();
      setToken(data.token);
    })();
  }, []);

  if (token === '') {
    return <div>Getting token...</div>;
  }

  return (
    <LiveKitRoom
      video={true}
      audio={true}
      token={token}
      serverUrl={process.env.NEXT_PUBLIC_LIVEKIT_URL}
      // Use the default LiveKit theme for nice styles.
      data-lk-theme="default"
      style={{ height: '100dvh' }}
    >
      {/* Your custom component with basic video conferencing functionality. */}
      <MyVideoConference />
      {/* The RoomAudioRenderer takes care of room-wide audio for you. */}
      <RoomAudioRenderer />
      {/* Controls for the user to start/stop audio, video, and screen
      share tracks and to leave the room. */}
      <ControlBar />
    </LiveKitRoom>
  );
}

function MyVideoConference() {
  // `useTracks` returns all camera and screen share tracks. If a user
  // joins without a published camera track, a placeholder track is returned.
  const tracks = useTracks(
    [
      { source: Track.Source.Camera, withPlaceholder: true },
      { source: Track.Source.ScreenShare, withPlaceholder: false },
    ],
    { onlySubscribed: false },
  );
  return (
    <GridLayout tracks={tracks} style={{ height: 'calc(100vh - var(--lk-control-bar-height))' }}>
      {/* The GridLayout accepts zero or one child. The child is used
      as a template to render all passed in tracks. */}
      <ParticipantTile />
    </GridLayout>
  );
}