​
withTransaction

withTransaction: <TRes = any>(
  transactionFn: (session: ClientSession) => Promise<TRes>,
): Promise<TRes>
Runs callbacks and automatically commits or rollbacks transaction. 
import db from 'db';

const { user, company } = await db.withTransaction(async (session) => {
  const createdUser = await usersService.insertOne({ fullName: 'Bahrimchuk' }, {}, { session });
  const createdCompany = await companyService.insertOne(
    { users: [createdUser._id] }, {},
    { session },
  );

  return { user: createdUser, company: createdCompany };
});
Parameters
  • transactionFn: (session: ClientSession) => Promise<TRes>;
    Function that accepts a client session and manages some business logic. Must return a Promise.
Returns Promise<TRes>.