Require JS module for getting / setting data required in multiple modules

Require JS global property module

define(function() {
    // Set the privately scoped object.
    // Its properties are modified via the get / set methods returned from the module.
    // We can keep values private by setting the 'private' part to true and set the 'value' part as the property value.
    var helper = {
            foo: {
                'private': true,
                'value': 'Private var' 
            },
            classes: {
                'active': 'is-active',
                'expanded': 'is-expanded'
            }
        },
        getter = function(part) {
            // Make sure a part argument has been passed
            // Then check to see if it exists on the helper object.
            if(part && helper[part]) {
                // Then check the the helper[part] to see if it has a private property
                // And check to see if that is set to true if it exists.
                if(helper[part].hasOwnProperty('private') && true === helper[part]['private']) {
                    return helper[part]['value'];   
                }
                else {
                    return helper[part];  
                }
            }
            return false;
        },
        setter = function(part, val) {
            // Make sure the arguments have been passed.
            if(part && val) {
                // Run a check to see if the part exists...
                if(helper[part]) {
                    // Make sure that part isn't private.
                    if(!helper[part]['private']) {
                        helper[part] = val;
                    }
                }
                // Else set that part.
                else {
                    // Run a check to see if we want to make the part private or not
                    if(val.hasOwnProperty('private') && true === val['private']) {
                        helper[part] = {
                            'private': true,
                            'value': val['value']
                        };
                    }
                    else {
                        helper[part] = val;   
                    }
                }
                // Return the value.
                return getter(part);
            }
            return false;
        };
    return {
        set: setter,
        get: getter
    };
});

// You can then access the Helper properties via.
define(['helpers'], function(Helper) {
    Helper.get('bar');
    Helper.set('foo', {
        'private': true,
        'value': 'Private var'
    });
});