cant run node PiCamera_accessory.js ? ideas?

[raaffq]

pi@raspberrypi:~/HomeKitCam $ ls LICENSE node_modules package.json PiCamera_accessory.js README.md pi@raspberrypi:~/HomeKitCam $ node PiCamera_accessory.js /home/pi/HomeKitCam/PiCamera_accessory.js:25 let sessionIdentifier = uuid.unparse(sessionID); ^^^

SyntaxError: Block-scoped declarations (let, const, function, class) not yet supported outside strict mode at exports.runInThisContext (vm.js:53:16) at Module._compile (module.js:414:25) at Object.Module._extensions..js (module.js:442:10) at Module.load (module.js:356:32) at Function.Module._load (module.js:311:12) at Function.Module.runMain (module.js:467:10) at startup (node.js:134:18) at node.js:961:3 pi@raspberrypi:~/HomeKitCam $

[theopoon]

Please check your node version.

~/node -v

[raaffq]

pi@raspberrypi:~ $ node -v v4.2.1

[theopoon]

Consider upgrading your node

[raaffq]

How I can update? I try pi@raspberrypi:~ $ sudo apt-get install -y nodejs Reading package lists... Done Building dependency tree
Reading state information... Done nodejs is already the newest version (10.2.1-1nodesource1). 0 upgraded, 0 newly installed, 0 to remove and 3 not upgraded. pi@raspberrypi:~ $ node -b node: bad option: -b pi@raspberrypi:~ $ node -v v4.2.1 pi@raspberrypi:~ $

[theopoon]

https://nodejs.org/en/download/package-manager/#debian-and-ubuntu-based-linux-distributions

[raaffq]

cant update , after update still showing old version