generateHashCodeNew static method

Implementation

static int generateHashCodeNew(Object? object, {bool sorting = false}) {
  int hash = 12;

  if (object == null) {
    return hash ^ 0;
  } else if (object is Map) {
    var entries = object.entries;
    if (sorting) {
      // Sort by key hash to ensure consistent order
      entries = entries.toList()
        ..sort((a, b) => a.key.hashCode.compareTo(b.key.hashCode));
    }
    for (final entry in entries) {
      hash =
          (hash ^ generateHashCodeNew(entry.key, sorting: sorting)) & mask32;
      hash = (hash ^ generateHashCodeNew(entry.value, sorting: sorting)) &
          mask32;
    }
  } else if (object is Iterable) {
    var elements = object;
    if (sorting) {
      // Sort elements by hash to ensure consistent order
      elements = elements.toList()
        ..sort((a, b) => a.hashCode.compareTo(b.hashCode));
    }
    for (final element in elements) {
      hash = (hash ^ generateHashCodeNew(element, sorting: sorting)) & mask32;
    }
  } else {
    hash = (hash ^ object.hashCode) & mask32;
  }

  // Final mix step to reduce collisions
  hash = ((hash << 3) | (hash >> 29)) & mask32;
  return hash;
}