VgsExpiryTextFieldState

Immutable state for a VGS card expiration date field.

Obtain an instance with rememberVgsExpiryTextFieldState inside a composable. The state is replaced (not mutated) on every keystroke; pass the latest instance to your VgsExpiry…TextField and update it from onStateChange:

var state by rememberVgsExpiryTextFieldState(
    collect = vgsCollect,
    fieldName = "data.expiry",
    inputDateFormat = VgsExpiryDateFormat.MonthShortYear,
    outputDateFormat = VgsExpiryDateFormat.LongYearMonth,
)
VgsExpiryOutlinedTextField(
    state = state,
    onStateChange = { state = it },
)

Useful properties:

• inputDateFormat / outputDateFormat — how the field reads input and serializes for submission.

• isValid / validationResult — current validation outcome.

• fieldName — JSON key used in the submit payload.