What is this variable used for?

[ariebrainware]

https://github.com/impactbyte-learn/code-restapi-orm-sqldatabase/blob/33209497822b285b01cb7b4346b74102d2a55ee0/app.js#L3

@mhaidarh

[mhaidarhanif]

It's no longer used, already removed.

It was used for getting a local path:

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');

// ...

app.use(express.static(path.join(__dirname, 'public')));