lookup static method

Map<String, Object> lookup({
  1. required String from,
  2. required String localField,
  3. String foreignField = '_id',
  4. String? as,
})

Implementation

static Map<String, Object> lookup({
  required String from,
  required String localField,
  String foreignField = '_id',
  String? as,
}) {
  as ??= '${from}_info';

  return {
    '\$lookup': {
      'from': from,
      'localField': localField,
      'foreignField': foreignField,
      'as': as,
    }
  };
}