Add method to read configuration values

Readme.md

@@ -536,6 +536,17 @@ Additional methods for an easier management of your scripts and cookie settings
     ```
     </p>
     </details>
+- <details><summary>cookieconsent<code>.getConfig(&lt;field&gt;)</code> [v2.7.0+]</summary>
+    <p>
+
+  The `.getConfig()` method allows you to read configuration options from the current instance:
+    ```javascript
+    cookieconsent.getConfig('current_lang');        // get currently used language
+    cookieconsent.getConfig('cookie_expiration');   // get configured cookie expiration
+    // ...
+    ```
+    </p>
+    </details>
 
 
 ### All available options

src/cookieconsent.js

@@ -1375,7 +1375,7 @@
             if(set){
                 saved_cookie_content['data'] = data;
                 _setCookie(_config.cookie_name, JSON.stringify(saved_cookie_content));
-            }   
+            }
 
             return set;
         }
@@ -1441,6 +1441,14 @@
             return cookie[field];
         }
 
+        /**
+         * Read current configuration value
+         * @returns {any}
+         */
+        _cookieconsent.getConfig = function(field){
+            return _config[field];
+        }
+
         /**
          * Function which will run after script load
          * @callback scriptLoaded
@@ -1495,8 +1503,8 @@
 
         /**
          * Manage dynamically loaded scripts: https://github.com/orestbida/cookieconsent/issues/101
-         * If plugin has already run, call this method to enable 
-         * the newly added scripts based on currently selected preferences 
+         * If plugin has already run, call this method to enable
+         * the newly added scripts based on currently selected preferences
          */
         _cookieconsent.updateScripts = function(){
             _manageExistingScripts();
@@ -1849,4 +1857,4 @@
     if(typeof window[init] !== 'function'){
         window[init] = CookieConsent
     }
-})();
+})();