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yields/analytics_js_loader.js

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Last active December 31, 2015 12:09
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  1. yields renamed this gist Dec 16, 2013. 1 changed file with 0 additions and 0 deletions.
    0 analytics_js_loader.js.erb → analytics_js_loader.js
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  2. @gingerlime gingerlime created this gist Nov 20, 2013.
    67 changes: 67 additions & 0 deletions analytics_js_loader.js.erb
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    // sources: https://segment.io/libraries/analytics.js#getting-started
    // https://github.com/phillbaker/analytics-js-rails/blob/master/app/views/analytics-js/_loader.html.erb

    // Create a queue, but don't obliterate an existing one!
    window.analytics || (window.analytics = []);

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

    // Define a factory to create queue stubs. These are placeholders for the
    // "real" methods in analytics.js so that you never have to wait for the library
    // to load asynchronously to actually track things. The `method` is always the
    // first argument, so we know which method to replay the call into.
    window.analytics.factory = function (method) {
    return function () {
    var args = Array.prototype.slice.call(arguments);
    args.unshift(method);
    // see https://github.com/segmentio/analytics.js/issues/253#issuecomment-24280169
    if(!window.analytics.push){
    window.analytics.push = Array.prototype.push.bind(window.analytics);
    }
    window.analytics.push(args);
    return window.analytics;
    };
    };

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

    // Define a method that will asynchronously load analytics.js from our CDN.
    window.analytics.load = function (callback) {

    // Create an async script element for analytics.js based on your API key.
    var script = document.createElement('script');
    script.type = 'text/javascript';
    script.async = true;
    script.src = '<%= asset_path("analytics.min.js") %>';

    script.addEventListener('load', function (e) {
    if(typeof callback == 'function') {
    callback(e);
    }
    }, false);

    // Find the first script element on the page and insert our script next to it.
    var firstScript = document.getElementsByTagName('script')[0];
    firstScript.parentNode.insertBefore(script, firstScript);
    };

    // Add a version so we can keep track of what's out there in the wild.
    window.analytics.SNIPPET_VERSION = '2.0.6';

    window.analytics.load(function() {
    window.analytics.initialize({
    'Google Analytics' : {classic: true,
    siteSpeedSampleRate: 100,
    trackingId: '<%= config.analytics_account %>'},
    'Mixpanel': {token: '<%= config.mixpanel_account %>',
    people: true},
    'trak.io': '<%= config.trakio_account %>'
    });
    });