mongoose-transact-utils/dist-src/index.js

Helper methods for Mongoose and MongoDB transactions

import mongoose from 'mongoose';
/**
 * Runs the provided `mutations` callback within a transaction and commits the changes to the DB
 * only when it has run successfully.
 *
 * @param mutations A callback which does DB writes and reads using the session.
 */
export async function runInTransaction(mutations) {
    const session = await mongoose.startSession();
    session.startTransaction();
    try {
        const value = await mutations(session);
        // Since the mutations ran without an error, commit the transaction.
        await session.commitTransaction();
        // Return any value returned by `mutations` to make this function as transparent as possible.
        return value;
    }
    catch (error) {
        // Abort the transaction as an error has occurred in the mutations above.
        await session.abortTransaction();
        // Rethrow the error to be caught by the caller.
        throw error;
    }
    finally {
        // End the previous session.
        session.endSession();
    }
}