feat: Support setting for OneTrust auto-block prevention

Author: rmi22186

src/initialization.js

@@ -63,7 +63,8 @@ var initialization = {
             isInitialized = initializeContainer(
                 containerId,
                 common.customDataLayerName,
-                previewUrl
+                previewUrl,
+                common.settings
             );
         }
 
@@ -88,11 +89,10 @@ var initialization = {
         }
 
         common.maybeSendConsentUpdateToGoogle(updatedConsentState);
-            
     },
 };
 
-function initializeContainer(containerId, dataLayerName, previewUrl) {
+function initializeContainer(containerId, dataLayerName, previewUrl, settings) {
     var url = 'https://www.googletagmanager.com/gtm.js';
 
     // If Settings contains previewUrl, we should tack that onto the gtm snippet
@@ -107,21 +107,27 @@ function initializeContainer(containerId, dataLayerName, previewUrl) {
 
     url += '&l=' + dataLayerName;
 
-    loadSnippet(url, dataLayerName);
+    loadSnippet(url, dataLayerName, settings);
 
     return true;
 }
 
-function loadSnippet(url, dataLayerName) {
+function loadSnippet(url, dataLayerName, settings) {
     window[dataLayerName].push({
         'gtm.start': new Date().getTime(),
-        event: 'gtm.js'
+        event: 'gtm.js',
     });
 
     var gTagScript = document.createElement('script');
     gTagScript.type = 'text/javascript';
     gTagScript.async = true;
     gTagScript.src = url;
+    if (settings.preventAutoBlock === 'True') {
+        gTagScript.setAttributeNode(
+            window.document.createAttribute('data-ot-ignore')
+        );
+    }
+
     (
         document.getElementsByTagName('head')[0] ||
         document.getElementsByTagName('body')[0]