Objection.js can be installed using
yarn. Objection uses knex as its database access layer, so you also need to install it.
npm install objection knex yarn add objection knex
You also need to install one of the following depending on the database you want to use:
npm install pg npm install sqlite3 npm install mysql npm install mysql2
You can use the
next tag to install an alpha/beta/RC version:
npm install objection@next