widgets/server/views/widget-messenger-test.ejs
<!DOCTYPE html>
<html lang="en">
<body>
<script>
window.erxesSettings = {
messenger: {
brand_id: '<%= brand_id %>'
}
};
(function() {
var script = document.createElement('script');
script.src = '<%= JSON.parse(env).ROOT_URL %>/build/messengerWidget.bundle.js';
script.async = true;
var entry = document.getElementsByTagName('script')[0];
entry.parentNode.insertBefore(script, entry);
})();
</script>
</body>
</html>