REST_FO
// web npm install peerjs --save
add esModuleInterop to your tsconfig.json as below: "compilerOptions": { .... "esModuleInterop": true, .... }
ionic generate service providers/webrtc
npm install -g @ionic/cli
npm install cordova-plugin-video-capture-plus npm install @ionic-native/video-capture-plus npm install @ionic-native/core