trc-client-core/src/global/Analytics.js

The core of the TRC Client

//
// Segment.io
// https://segment.com/docs/libraries/analytics.js/quickstart/
//
var exportAnalytics;

export const AnalyticsInitialize = function(callback) {
    // Create a queue, but don't obliterate an existing one!
    var analytics = window.analytics = window.analytics || [];


    // If the real analytics.js is already on the page return.
    if (analytics.initialize) return;

    // If the snippet was invoked already show an error.
    if (analytics.invoked) {
        if (window.console && console.error) {
            console.error('Segment snippet included twice.');
        }
        return;
    }

    // Invoked flag, to make sure the snippet
    // is never invoked twice.
    analytics.invoked = true;

    // A list of the methods in Analytics.js to stub.
    analytics.methods = [
        'trackSubmit',
        'trackClick',
        'trackLink',
        'trackForm',
        'pageview',
        'identify',
        'reset',
        'group',
        'track',
        'ready',
        'alias',
        'page',
        'once',
        'off',
        'on'
    ];

    // Define a factory to create stubs. These are placeholders
    // for methods in Analytics.js so that you never have to wait
    // for it to load to actually record data. The `method` is
    // stored as the first argument, so we can replay the data.
    analytics.factory = function(method){
        return function(){
            var args = Array.prototype.slice.call(arguments);
            args.unshift(method);
            analytics.push(args);
            return analytics;
        };
    };

    // For each of our methods, generate a queueing stub.
    for (var i = 0; i < analytics.methods.length; i++) {
        var key = analytics.methods[i];
        analytics[key] = analytics.factory(key);
    }

    // Define a method to load Analytics.js from our CDN,
    // and that will be sure to only ever load it once.
    analytics.load = function(key){
        // Create an async script element based on your key.
        var script = document.createElement('script');
        script.type = 'text/javascript';
        script.async = true;
        script.src = ('https:' === document.location.protocol ? 'https://' : 'http://') + 'cdn.segment.com/analytics.js/v1/' + key + '/analytics.min.js';

        // Insert our script next to the first script element.
        var first = document.getElementsByTagName('script')[0];
        first.parentNode.insertBefore(script, first);

        script.onload = callback.bind(null, analytics);
    };

    // Add a version to keep track of what's in the wild.
    analytics.SNIPPET_VERSION = '3.1.0';

    // Load Analytics.js with your key, which will automatically
    // load the tools you've enabled for your account. Boosh!
    analytics.load("127wKPlub1woVYnML4oFnDYytpoXdYlG");

    // Make the first page call to load the integrations. If
    // you'd like to manually name or tag the page, edit or
    // move this call however you'd like.
    exportAnalytics = analytics;

}


export const AnalyticsPage = function() {
    if(exportAnalytics) {
        exportAnalytics.page(window.location.pathname + window.location.hash, window.location);
    }
};
export const analytics = exportAnalytics;