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@cdellacqua/knex-transact
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transact function that provides a simple mechanism to translate SQL transactions into code
npm install @cdellacqua/knex-transact
To use this function you must first assign config.knex to your knex instance. For example:
import { config } from '@cdellacqua/knex-transact';
import { knex } from 'knex';
const myKnexInstance = knex({
// your database configuration
});
config.knexInstance = myKnexInstance;
This package exposes a function called transact
. It accepts two arguments: an array of functions (or a single function) that return a Promise, and an optional Transaction.
If a function needs to process data with and without having an already initialized transaction, one can easily end up writing some boilerplate code like this:
async function aFunctionThatReceivesAnOptionalTransaction(trx?: Transaction) {
const db = trx || knex.transaction();
try {
const tempResult = await db('table').where('property', 'value').select();
await someOtherFunction(tempResult, db);
if (!trx) {
db.commit();
}
} catch (err) {
if (!trx) {
db.rollback();
}
throw err;
}
}
This library takes care of that boilerplate, thus reducing noise and allowing to write less and cleaner code:
function aFunctionThatReceivesAnOptionalTransaction(trx?: Transaction) {
return transact([
(db) => db('table').where('property', 'value').select(),
(db, tempResult) => someOtherFunction(tempResult, db),
], trx);
}
FAQs
transact function that provides a simple mechanism to translate SQL transactions into code
The npm package @cdellacqua/knex-transact receives a total of 1 weekly downloads. As such, @cdellacqua/knex-transact popularity was classified as not popular.
We found that @cdellacqua/knex-transact demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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