node-appwrite/lib/enums/relationship-type.js

Appwrite is an open-source self-hosted backend server that abstract and simplify complex and repetitive development tasks behind a very simple REST API

const RelationshipType = Object.freeze({
    OneToOne: 'oneToOne' ,
    ManyToOne: 'manyToOne' ,
    ManyToMany: 'manyToMany' ,
    OneToMany: 'oneToMany' 
});

module.exports = RelationshipType;