defaultMask<O extends Object, V> static method

Implementation

static V defaultMask<O extends Object, V>(
  EntityAccessRulesContext? context,
  O object,
  String field,
  V value,
) {
  if (value == null) return null as V;

  if (value is String) return '' as V;
  if (value is int) return 0 as V;
  if (value is double) return 0.0 as V;
  if (value is bool) return false as V;

  if (value is DateTime) return DateTime.fromMillisecondsSinceEpoch(0) as V;

  if (value is Time) return Time(0) as V;

  if (value is Map) {
    if (value is Map<String, String>) return <String, String>{} as V;
    if (value is Map<String, int>) return <String, int>{} as V;
    if (value is Map<String, double>) return <String, double>{} as V;
    if (value is Map<String, num>) return <String, num>{} as V;
    if (value is Map<String, Object>) return <String, Object>{} as V;
    if (value is Map<String, dynamic>) return <String, dynamic>{} as V;
    return {} as V;
  }

  if (value is List) {
    if (value is List<String>) return <String>[] as V;
    if (value is List<int>) return <int>[] as V;
    if (value is List<double>) return <double>[] as V;
    if (value is List<num>) return <num>[] as V;
    if (value is List<Object>) return <Object>[] as V;
    return [] as V;
  }

  return value;
}