option to defer until NetworkInformation type change

[jimmywarting]

imagine a senario that you need to download or upload large data. you don't want users to use up all mobile data. so the solution would be to only do it when using wifi or ethernet network.

The solution i would wish for would be something like setting a connectionType for when the request should be initiated on:

/*
ConnectionType =
  | 'bluetooth'
  | 'cellular'
  | 'ethernet'
  | 'mixed'
  | 'none'
  | 'other'
  | 'unknown'
  | 'wifi'
  | 'wimax';
*/

const request = new Request('/upload', { body, method: 'POST' })

swReg.backgroundFetch.fetch(id, request, {
  // possible types: http://wicg.github.io/netinfo/#connection-types
  connectionType: ['wifi', 'ethernet']
})

[tomayac]

This sounds useful, and indeed should probably be modeled after the Network Information API's enums. It's fair to say that said API is Chrome-only and hasn't been adopted by other vendors.

To mitigate some of the other vendors' concerns, a while ago I proposed a reboot of the API, which likewise didn't get much love. Chrome is interested in exploring the reboot, but failed to find engineering resources so far.

Not sure where this leaves us…