load whitelist by default as legacy

Author: nleush

config.js

@@ -20,6 +20,7 @@
         use_http2: true,
         DEBUG: false,
 
+        WHITELIST_AUTO_LOAD: true,  // Whitelist is always loaded by lib init. Otherwise use `initializeWhitelistLoader();`.
         WHITELIST_URL: 'https://iframely.com/qa/domains.json',
         WHITELIST_URL_RELOAD_PERIOD: 60 * 60 * 1000,  // will reload WL every hour, if no local files are found in /whitelist folder
 
@@ -440,4 +441,4 @@
         config.HTTP2_RETRY_CODES[item] = 1;
     });
 
-    export default config;
+    export default config;

lib/whitelist.js

@@ -392,7 +392,17 @@
         }
     }
 
-    export function initializeWhitelistLoader() {
+    function privateInitializeWhitelistLoader() {
         startScanWhitelist();
         loadWhitelistUrl();
     }
+
+    export function initializeWhitelistLoader() {
+        if (!CONFIG.WHITELIST_AUTO_LOAD) {
+            privateInitializeWhitelistLoader();
+        }
+    }
+
+    if (CONFIG.WHITELIST_AUTO_LOAD) {
+        privateInitializeWhitelistLoader();
+    }