add: gtm snippet

Author: ui2code

snippets/external/README.md

@@ -18,3 +18,17 @@ Prefix `e*`
 
 </script>$2
 ```
+
+### [egtm] Google Tag Manager
+
+```html
+<!-- Google Tag Manager -->
+<noscript><iframe src="//www.googletagmanager.com/ns.html?id=GTM-${1:XXXX}"
+height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
+<script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
+new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
+j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
+'//www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
+})(window,document,'script','dataLayer','GTM-${1:XXXX}');</script>
+<!-- End Google Tag Manager -->${2}
+```

snippets/external/gtm.sublime-snippet

@@ -0,0 +1,13 @@
+<snippet>
+  <content><![CDATA[<!-- Google Tag Manager -->
+<noscript><iframe src="//www.googletagmanager.com/ns.html?id=GTM-${1:XXXX}"
+height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
+<script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
+new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
+j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
+'//www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
+})(window,document,'script','dataLayer','GTM-${1:XXXX}');</script>
+<!-- End Google Tag Manager -->${2}]]></content>
+  <tabTrigger>egtm</tabTrigger>
+  <description>e - Google Tag Manager</description>
+</snippet>