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Port default values #149

bergie opened this Issue Mar 2, 2014 · 0 comments


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bergie commented Mar 2, 2014

Currently a common pattern is to handle configuration ports like this:

@configVar = false
@inPorts =
  # ...some ports
  config: new noflo.Port 'boolean'
@inPorts.config.on 'data', (@configVar) =>

It would be nice to make these defaults discoverable in places like noflo-ui, and remove some boilerplate by providing a "default value" in options. This default would be sent to the port at component initialization time, before IIPs.

So, the above would become something like:

@inPorts = new noflo.InPorts
  # ...some ports
    datatype: 'boolean'
    default: false
@inPorts.config.on 'data', (@configVar) =>

@kenhkan kenhkan referenced this issue Mar 2, 2014


Port API specs #150

@bergie bergie closed this in a8de0e2 Mar 2, 2014

@KevinHoward KevinHoward added a commit to KevinHoward/noflo that referenced this issue Jun 30, 2014

@bergie @KevinHoward bergie + KevinHoward Implement port default values, fixes #149 7a8a32f
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