Added the js_config helper method that will assign public JS config values

application/helpers/config_helper.php

@@ -55,3 +55,50 @@ function config($key, $default = NULL)
 
     return $value ?? $default;
 }
+
+if ( ! function_exists('js_config'))
+{
+    /**
+     * Get / set the specified JS config value.
+     *
+     * If an array is passed as the key, we will assume you want to set an array of values.
+     *
+     * Example "Get":
+     *
+     * $version = js_config('version', '1.0.0');
+     *
+     * Example "Set":
+     *
+     * js_config(['version' => '1.0.0']);
+     *
+     * @param array|string $key Configuration key.
+     * @param mixed $default Default value in case the requested config has no value.
+     *
+     * @return mixed|NULL Returns the requested value or NULL if you assign a new configuration value.
+     *
+     * @throws InvalidArgumentException
+     */
+    function js_config($key = NULL, $default = NULL)
+    {
+        $js_config = config('js_config', []);
+
+        if (empty($key))
+        {
+            return $js_config;
+        }
+
+        if (is_array($key))
+        {
+            foreach ($key as $item => $value)
+            {
+                $js_config[$item] = $value;
+            }
+
+            return NULL;
+        }
+
+        $value = $js_config[$key];
+
+        return $value ?? $default;
+    }
+}