beyond-code-github

    //....
    //....
    
    target.getChanges = function () {
        var result = {
            added: target.added(),
            removed: target.removed()
        };

        return result;

beyond-code-github

ko.extenders.trackArrayChange = function (target, track) {
    if (track) {
        target.isDirty = ko.observable(false);
        target.added = ko.observableArray([]);
        target.removed = ko.observableArray([]);
        
        var addItem = function (item) {
            //...
        };
        

beyond-code-github

public class ItemA
{
    public string Identifier { get; set; }
}

public class ItemB
{
    public string Name { get; set; }
}

beyond-code-github

public class EfficientIterator<TOne, TTwo>
{
    private Action<TOne, TTwo> always = (one, two) => { };
    private Action<TOne, TTwo> match = (one, two) => { };
    private Action<TOne> oneOnly = (one) => { };
    private Action<TTwo> twoOnly = (two) => { };
    
    private readonly Func<TOne, TTwo, int> compare;
 
    public Action<TOne, TTwo> Always { set { this.always = value; } }

beyond-code-github

public List<string> Validate(IDictionary<string, object> data, List<Field> mandatoryFields)
{
    var errors = new List<string>();
    
    foreach (var field in mandatoryFields)
    {
        if (!data.Keys.Contains(field.Identifier))
        {
            errors.add(String.Format("The {0} field is required", field.Identifier);
        }

beyond-code-github

var viewModel = {
    Name: ko.observable("Pete"),
    Age: ko.observable(29),
    Skills: ko.observable({
        Tdd: ko.observable(true),
        Knockout: ko.observable(true),
        ChangeTracking: ko.observable(false),
        Languages: ko.observable({
            Csharp: ko.observable(false),
            Javascript: ko.observable(false)

beyond-code-github

if ((typeof obj == "object") && (obj !== null)) {
    if (target.hasValueChanged()) {
        return ko.mapping.toJS(obj);
    }
    return getChangesFromModel(obj);
}

beyond-code-github

ko.extenders.trackChange = function (target, track) {
    if (track) {
        // ...
        // ...

        if (!target.getChanges) {
            target.getChanges = function (newObject) {
                var obj = target();
                if ((typeof obj == "object") && (obj !== null)) {
                    if (target.hasValueChanged()) {

beyond-code-github

var viewModel = {
    Name: ko.observable("Pete"),
    Age: ko.observable(29),
    Skills: {
        Tdd: ko.observable(true),
        Knockout: ko.observable(true),
        ChangeTracking: ko.observable(false),
    },
    Occupation: ko.observable("Developer")
};

beyond-code-github

var traverseObservables = function (obj, action) {
    ko.utils.arrayForEach(getObjProperties(obj), function (observable) {
        if (observable && observable.value && !observable.value.nodeType && ko.isObservable(observable.value)) {
            action(observable);
        }
    });
};
    
ko.extenders.trackChange = function (target, track) {
    if (track) {