firstWhere method

Entity? firstWhere(
  1. EntityQueryUntilCallback predicate
)

Implementation

Entity? firstWhere(EntityQueryUntilCallback predicate) {
  final driver = Query.chooseDriver(_withStores);
  _world.beginQuery(this);
  try {
    for (var i = 0; i < driver.length; i++) {
      final entityIndex = driver.entityIndexAt(i);
      if (!Query.passesFilters(entityIndex, _withStores, _withoutStores)) {
        continue;
      }
      final entity = _world.entities.resolve(entityIndex);
      if (predicate(entity)) return entity;
    }
    return null;
  } finally {
    _world.endQuery();
  }
}