Function valFn

CustomerManager/Scripts/breeze.debug.js:2436–2443

(v, ctx)

        **/
        ctor.required = function (context) {
            var valFn = function (v, ctx) {
                if (typeof v === "string") {
                    if (ctx && ctx.allowEmptyStrings) return true;
                    return v.length > 0;
                } else {
                    return v != null;
                }
            };
            return new ctor("required", valFn, context);
        };