Realm Data Adapter Node Script

adapter.js

const Realm = require('realm');
const fs = require('fs');
const path = require('path');
const PostgresAdapter = require('realm-data-adapters').PostgresAdapter;
const Config = require('./config');
const Models = require('./realmmodels');

// Unlock Data Connector APIs
Realm.Sync.setAccessToken(Config.feature_token);

const admin_user = Realm.Sync.User.adminUser(Config.admin_user_token);

// Print out uncaught exceptions
process.on('uncaughtException', (err) => console.log(err));

var adapter = new PostgresAdapter({
    // Realm configuration parameters for connecting to ROS
    realmConfig: {
        server: Config.realm_object_server_url, // or specify your realm-object-server location
        user:   admin_user,
    },
    dbName: Config.database_name,
    // Postgres configuration and database name
    postgresConfig: Config.postgres_config,
    resetPostgresReplicationSlot: true,


    // Set to true to create the Postgres DB if not already created
    createPostgresDB: true,
    initializeRealmFromPostgres: false,
    // Map of custom types to Postgres types
    /*customPostgresTypes: {
        'USER-DEFINED': 'text',
        'ARRAY':        'text',
        'mpaa_rating':  'text',
        'year':         'integer',
    },*/
    // Set to true to indicate Postgres tables should be created and
    // properties added to these tables based on schema additions
    // made in Realm. If set to false any desired changes to the
    // Postgres schema will need to be made external to the adapter.
    applyRealmSchemaChangesToPostgres: true,

    // Only match a single Realm called 'myRealm'
    realmRegex: Config.target_realm_path,

    // Specify the Realm name all Postgres changes should be applied to
    mapPostgresChangeToRealmPath: Config.target_realm_path,

    // Specify the Realm objects we want to replicate in Postgres.
    // Any types or properties not specified here will not be replicated
    schema: Models,

    printCommandsToConsole: true,
});