what is the best way to test array contents in javascript?

[gmabey]

I have a qtprotobuf-generated class instance that I'm passing up to QML land.

One of its members is a QtProtobuf::uint32List and I want to test whether that list contains a certain value. I've tried includes() (the javascript array way) and contains() (more of a Qt thing) but neither work. The error reads:

TypeError: Property 'contains' of object QVariant(QtProtobuf::uint32List) is not a function

Is it currently possible to perform this test in a javascript function, within QML?

[semlanik]

@gmabey this should work for uint32 lists. I checked this on RepeatedUIntMessage from tests and it works.

message RepeatedUIntMessage {
    repeated uint32 testRepeatedInt = 1;
}

    RepeatedUIntMessage {
        id: testMsg
        testRepeatedInt: [5, 4, 3, 2, 1]
    }

    ...
    console.log(testMsg.testRepeatedInt.includes(3)) // Prints true
    ...

But there is an issue with "transparent" types, so this I need to fix.

[gmabey]

What version did you do this test with? I'm still getting that error (in the original post).

[semlanik]

Recent master, but probably there is something that is specific for the message you check. So if you could give me a raw message structure I could dig further.