ReferenceError: RTCPeerConnection is not defined

[rockey2020]

Describe the bug
A clear and concise description of what the bug is.

const channel = geckos({ port: 10086, url: "localhost" });
  channel.onConnect((err) => {
    console.log(err);
  });

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I get this problem when I use client in node.js 21

Geckos.io signaling server is running on port 10086
file:///Users/rockey/WebstormProjects/darwin.node/node_modules/@geckos.io/client/lib/wrtc/peerConnection.js:5
const webRTCPcSupported = RTCPeerConnection || webkitRTCPeerConnection; // eslint-disable-line no-undef
^

ReferenceError: RTCPeerConnection is not defined
at PeerConnection.connect (file:///Users/rockey/WebstormProjects/darwin.node/node_modules/@geckos.io/client/lib/wrtc/peerConnection.js:5:35)
at ClientChannel.onConnect (file:///Users/rockey/WebstormProjects/darwin.node/node_modules/@geckos.io/client/lib/geckos/channel.js:86:52)
at startClient (file:///Users/rockey/WebstormProjects/darwin.node/apps/anynat/src/service/client/index.ts:4:13)
at
at async file:///Users/rockey/WebstormProjects/darwin.node/apps/anynat/src/index.ts:17:5

Node.js v21.7.3

[yandeu]

It looks like node-datachannel does not yet support Node.js v21:
https://github.com/murat-dogan/node-datachannel?tab=readme-ov-file#supported-platforms