Problems with "count()" about camo HOT 1 CLOSED

'use strict';

var connect = require('camo').connect;
var Document = require('camo').Document;

class Company extends Document {
    constructor() {
        super();
        this.name = String;
    }
}

connect('nedb://memory').then(function(db) {
    var ibm = Company.create({
        name: 'ibm',
    });

    // Does not work! Can't call '.count()' on a Promise
    /*Company.loadMany({
        name: 'ibm'
    }).then(function(doc) {
        //console.log('docs:', doc);
    }).count(function(count) {
        console.log('count----> ', count);
    });*/

    ibm.save().then(function() {
        return Company.count({name: 'ibm'});
    }).then(function(count) {
        console.log('count:', count);    // Prints "count: 1"
    });

}).catch(function(err) {
    console.log('err:', err);
});