const WebSocket = require ( 'ws' ) ; const fs = require ( 'fs' ) ; const wss = new WebSocket.Server ( { port : 8080 } ) ; wss . on ( 'connection' , function connection ( ws ) { console . log ( 'Client connected' ) ; ws . on ( 'message' , function incoming ( data ) { try { fs . writeFile ( 'audio_received.wav' , data , function ( err ) { if ( err ) { console . error ( 'Error saving audio file:' , err ) ; } else { console . log ( 'Audio file saved successfully' ) ; } } ) ; bina } catch ( error ) { console . log ( error ) ; } } ) ; ws . on ( 'close' , function close ( ) { console . log ( 'Client disconnected' ) ; } ) ; } ) ;