Get Matching Item From Selectables

GetMatchingItemFromSelectables.js

function GetMatchingItemFromSelectables(item, selectablesList) {
    var chosenIndex = -1;

    if (item !== undefined && item !== null) {

        if (item.Key !== undefined) {//this section is deprecated, old way of doing selectables
            for (var t = 0; t < selectablesList.length; t++) {
                if (selectablesList[t].Key === item.Key) {
                    return selectablesList[t];
                }
            }
        }//--end of deprecated section
        else {
            if (!item.id) {
                return item;
            }

            for (var t = 0; t < selectablesList().length; t++) {
                if (selectablesList()[t].id() === item.id()) {
                    return selectablesList()[t];
                }
            }
            return item;
        }
    }
    return { "Key": "", "Value": -1 };
};