Insights Cookie Consent Google Analytics Opt-Out Solution

tracking.js

var gaProperty = 'UA-XXXXXXXX-X';

// Get the name of the GA tracking disable cookie
var disableStr = 'ga-disable-' + gaProperty;

// Check if GA cookie exists
window[disableStr] = (document.cookie.indexOf(disableStr + '=true') > -1)

// Opt-out function
function gaOptout() {
    // Set cookie and global variable
    document.cookie = disableStr + '=true; expires=Thu, 31 Dec 2099 23:59:59 UTC; path=/';
    window[disableStr] = true;
}

// Opt-in function
function gaOptin() {
    // Expire cookie and set variable to false
    window[disableStr] = false;
    document.cookie = disableStr + "=; expires=Thu, 01 Jan 1970 00:00:00 UTC; path=/;";
}

// Load GA code and send pageview event
function track() {
    if (window[disableStr] === false) {
        (function(i, s, o, g, r, a, m) {
            i['GoogleAnalyticsObject'] = r;
            i[r] = i[r] || function() {
                (i[r].q = i[r].q || []).push(arguments)
            }, i[r].l = 1 * new Date();
            a = s.createElement(o), m = s.getElementsByTagName(o)[0];
            a.async = 1;
            a.src = g;
            m.parentNode.insertBefore(a, m)
        })(window, document, 'script', 'https://www.google-analytics.com/analytics.js', 'ga');
        ga('create', gaProperty, 'auto');
        ga('set', 'anonymizeIp', true);
        ga('send', 'pageview');
    }
}

track();

// Init cookieconsent
$(document).ready(function() {
    'use strict';

    window.cookieconsent.initialise({
        "palette": {
            "popup": {
                "background": "#ffffff"
            },
            "button": {
                "background": "#ffea00"
            }
        },
        "theme": "edgeless",
        "position": "bottom-right",
        "type": "opt-out",
        onInitialise: function(status) {
            var type = this.options.type;
            var didConsent = this.hasConsented();
            if (type == 'opt-out' && !didConsent) {
                if (this.options.revokable) {
                    setTimeout(function() {
                        document.getElementsByClassName("cc-revoke")[0].style.display = "block";
                    });
                }
            }
        },
        // Callback if user selects option
        onStatusChange: function(status, chosenBefore) {
            var type = this.options.type;
            var didConsent = this.hasConsented();
            var opted_out = window[disableStr];
            if (type == 'opt-out' && !didConsent && !opted_out) {
                gaOptout();
            }
            if (type == 'opt-out' && didConsent && opted_out) {
                gaOptin();
            }
        }
    });
});