anishpateluk · November 10, 2015 12:32
diff --git a/ko has items b/ko has items
 ko.observableArray.fn.trackHasItems = function () {
        //create a sub-observable
        this.hasItems = ko.observable();

        //update it when the observableArray is updated
        this.subscribe(function (newValue) {
            this.hasItems(newValue && newValue.length);
        }, this);

        //trigger change to initialize the value
        this.valueHasMutated();

        //support chaining by returning the array
        return this;
    };
	ko.observableArray.fn.trackHasItems = function () {
	//create a sub-observable
	this.hasItems = ko.observable();

	//update it when the observableArray is updated
	this.subscribe(function (newValue) {
	this.hasItems(newValue && newValue.length);
	}, this);

	//trigger change to initialize the value
	this.valueHasMutated();

	//support chaining by returning the array
	return this;
	};