function populateUndefinedArrayEls(x) {
var i;
if(Array.isArray(x)) {
for(i = 0; i < x.length; i++) {
x[i] = x[i];
}
} else if(Lib.isPlainObject(x)) {
var keys = Object.keys(x);
for(i = 0; i < keys.length; i++) {
populateUndefinedArrayEls(x[keys[i]]);
}
}
return x;
}
function shouldHaveEditType(attr, attrName) {
// ensure any object (container or regular val object) has editType
// array containers have extra nesting where editType would be redundant
return Lib.isPlainObject(attr) && attrName !== 'impliedEdits' &&
attrName !== 'items' && !Lib.isPlainObject(attr.items);
}