overleaf/services/web/migrations/20190720165251_create_migrations.mjs

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/* eslint-disable no-unused-vars */
import Helpers from './lib/helpers.mjs'
const tags = ['server-ce', 'server-pro', 'saas']
const migrate = async client => {
const { db } = client
await Helpers.addIndexesToCollection(db.migrations, [
{
key: { name: 1 },
unique: true,
},
])
}
const rollback = async client => {
const { db } = client
try {
await Helpers.dropIndexesFromCollection(db.migrations, [{ name: 1 }])
} catch (err) {
console.error('Something went wrong rolling back the migrations', err)
}
}
export default {
tags,
migrate,
rollback,
}