I tried to learn RabbitMQ, and I follow the Streams example with NodeJS. I copied the source code of send.js and receive.js, but when i run “npm run send” or “npm run receive” it give me this error

[email protected] send
node send.js

/home/italspazio-zorin/Scrivania/rabbitmq/node_modules/rabbitmq-stream-js-client/dist/client.js:43
this.connection = connection ?? this.getLocatorConnection();
^

SyntaxError: Unexpected token ‘?’
at wrapSafe (internal/modules/cjs/loader.js:915:16)
at Module._compile (internal/modules/cjs/loader.js:963:27)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:1027:10)
at Module.load (internal/modules/cjs/loader.js:863:32)
at Function.Module._load (internal/modules/cjs/loader.js:708:14)
at Module.require (internal/modules/cjs/loader.js:887:19)
at require (internal/modules/cjs/helpers.js:85:18)
at Object. (/home/italspazio-zorin/Scrivania/rabbitmq/node_modules/rabbitmq-stream-js-client/dist/index.js:18:14)
at Module._compile (internal/modules/cjs/loader.js:999:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:1027:10)

I’m on Linux (Zorin OS) with rabbitmq installed and the server running, I can access to the control panel with http://localhost:15672/ address.