Add engines config to package.json

[awolkers]

Add the engines config to the package.json so if someone want to install this the user knows which version of node he needs.
https://docs.npmjs.com/files/package.json#engines

"engines": { "node": ">=8" },

[mdecorte]

I don't know if it's worth the effort of keeping up-to-date. It only gives warnings when building and if you ever run into errors when you're on an old node/npm version that's the first thing you'll check. What's your incentive?

[mdecorte]

Btw: if your app only works on a specific node version that's a problem :D

[colin-aarts]

@mdecorte why's that?

[mdecorte]

@colin-aarts What's your take it? I just don't see the value. You can always add it yourself if you need it for your project, which should be almost never :P

[mdecorte]

npm docs:

You can also use the “engines” field to specify which versions of npm are capable of properly installing your program. For example:

{ "engines" : { "npm" : "~1.0.20" } }

Unless the user has set the engine-strict config flag, this field is advisory only and will only produce warnings when your package is installed as a dependency.
engineStrict§

This feature was removed in npm 3.0.0