basic-customer-sync.js

var apiInstance = new SquareConnect.CustomersApi();
var opts = {};

apiInstance.listCustomers(opts).then(function(data) {
    var now = new Date();

    data.customers.forEach(function(element) {
        db.run('INSERT into Customers (id , created_at , updated_at , synced_at ,given_name , family_name , email_address , creation_source ) VALUES( $id,  $created_at,  $updated_at, $synced_at, $given_name, $family_name , $email_address , $creation_source )', {
            $id: element.id, $created_at: element.created_at, $updated_at: element.updated_at, $synced_at:  now.toISOString(), $given_name: element.given_name, $family_name: element.family_name, $email_address: element.email_address, $creation_source: 'Square:'+element.creation_source,
        });
    });

}, function(error) {
    console.error(error);
});