Cookiehub Datalayer integration

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I’m not really a JS professional, but this could work. On the other hand, I don’t know, what sideeffects this could cause. Perhaps a JS ninja can help out?

 var _mtm = window._mtm = window._mtm || [];
 dataLayer.push = function() { 
    _mtm.push.apply(_mtm, arguments);
    return Array.prototype.push.apply(this, arguments);
};

If you then push something to the dataLayer dataLayer.push({'event': "test1"});, it is also applied to the Matomo dataLayer _mtm.

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