Initial value of IsValid of validatedObservable is not correct.

[lucasmaj]

!!ko.validatedObservable({
   property1: ko.observable().extend({ required: false })
}).isValid()

You would expect true but isValid incorrectly reports falseish value undefined.

In other words, if your initial validated obvservable is correct, isValid will incorrectly keep reporting as NOT valid.

Proposed solution:

ko.validatedObservable = function (initialValue) {
    if (!kv.utils.isObject(initialValue)) { return ko.observable(initialValue).extend({ validatable: true }); }

    var obsv = ko.observable(initialValue);
    obsv.errors = kv.group(initialValue);
    obsv.isValid = ko.observable(initialValue.isValid()); //pass initial value
    obsv.errors.subscribe(function (errors) {
        obsv.isValid(errors.length === 0);
    });

    return obsv;
};

Should I create a fork for it? Should I add a test case somewhere?

[stevegreatrex]

Hi @lucasmaj, thanks for that. If you create a new PR with a fix & test case then I'll get it merged into the main branch

[lucasmaj]

Done here: #393

[stevegreatrex]

Fixed by #393