custom find for mongodb typeorm

export abstract class RepoBase<T> extends Repository<T> {
  async customFind(optionsOrConditions?: FindManyOptions<T> | Partial<T>) {
    const connection = this.manager.connection;
    const metadata = this.metadata;
    if (
      metadata.deleteDateColumn &&
      optionsOrConditions &&
      'withDeleted' in optionsOrConditions &&
      !optionsOrConditions.withDeleted
    ) {
    if (!optionsOrConditions.where) optionsOrConditions.where = {};
      optionsOrConditions.where[
        connection.driver.escape(metadata.deleteDateColumn.databaseName)
      ] = null;
      return this.find(optionsOrConditions);
    }
  }
}

export class FileRepository extends RepoBase<File> {
}