// originally pulled out of simple-peer

module.exports = function getBrowserRTC () {
  if (typeof globalThis === 'undefined') return null
  var wrtc = {
    RTCPeerConnection: globalThis.RTCPeerConnection || globalThis.mozRTCPeerConnection ||
      globalThis.webkitRTCPeerConnection,
    RTCSessionDescription: globalThis.RTCSessionDescription ||
      globalThis.mozRTCSessionDescription || globalThis.webkitRTCSessionDescription,
    RTCIceCandidate: globalThis.RTCIceCandidate || globalThis.mozRTCIceCandidate ||
      globalThis.webkitRTCIceCandidate
  }
  if (!wrtc.RTCPeerConnection) return null
  return wrtc
}