ActionHandler returning InteractionInput always

[danielpeintner]

PropertyReadHandler and ActionHandler are the same when it comes to the return value (returning Promise<InteractionInput>).

callback PropertyReadHandler = Promise<InteractionInput>(
        optional InteractionOptions options = null);

callback ActionHandler = Promise<InteractionInput>(
        InteractionOutput params,
        optional InteractionOptions options = null);

I wonder whether this is correct given propertyRead always returns a value and actions do not always return anything.
Shouldn't the return statement for ActionHandler be as follows?
Promise<undefined | InteractionInput>

[relu91]

Good point actually. +1 from my side

[zolkis]

We don't need it, since an object can be null and undefined. Describe in prose that it can be undefined.

[danielpeintner]

Scripting Call 2021-02-22

• @zolkis see comment above
• @relu91 do the suggested changes in TS only
• @danielpeintner check prose

[relu91]

BTW the TS part was addressed in this PR: #307

[danielpeintner]

I think we can close the issue, right?

• WebIDL is clear that it can be null
• TS was fixed

[danielpeintner]

Scripting Call 2021-03-08, Agreed to close