User-Defined Types - Compiled JSON does not recognize discriminator types

[slavizh]

Bicep version
Bicep CLI version 0.22.6 (d62b94d)

Describe the bug
If you have foo.bicep like

@sealed()
type typeA = {
  type: 'a'
  value: string
}

@sealed()
type typeB = {
  type: 'b'
  value: int
}

@sealed()
@discriminator('type')
type unionAB = typeA | typeB

type unionAbArray = unionAB[]

param foo unionAbArray

and in bicep parameters file you reference that file all looks ok. But if you convert the bicep to json and reference the json (or reference the json that is uploaded to bicep registry intellisense does not work.

This makes discriminator useless as basically it works only if you use the bicep template directly.

To Reproduce
Steps to reproduce the behavior:

Additional context
Add any other context about the problem here.

[slavizh]

@jeskew once the fix is available, do we have to compile again the bicep templates?

[jeskew]

@slavizh No, recompiling templates won't be necessary. The change made in the linked PR updates how Bicep reads type information in ARM JSON templates and does not affect compilation from bicep to JSON.

[slavizh]

@jeskew thanks for confirming. I was suspecting that was the case but do not know the code that well so better to confirm it.