chore: adding feature flags json list in env variables

tubular/scripts/frontend_build.py

@@ -107,6 +107,6 @@ def ensure_wrapped_in_quotes(value) -> str:
     else:
         return f"'{string_value}'"
 
-    
+
 if __name__ == "__main__":
     frontend_build()  # pylint: disable=no-value-for-parameter

tubular/scripts/frontend_utils.py

@@ -68,10 +68,17 @@ def get_app_config(self):
         app_config = self.common_cfg.get('APP_CONFIG', {})
         app_config.update(self.env_cfg.get('APP_CONFIG', {}))
         app_config['APP_VERSION'] = self.get_version_commit_sha()
+        app_config['FEATURE_FLAGS'] = self.get_feature_flags()
         if not app_config:
             self.LOG('Config variables do not exist for app {}.'.format(self.app_name))
         return app_config
 
+    def get_feature_flags(self):
+        """ Accesses the feature flags from config and JSON encodes it to be placed in env variables """
+        feature_flags = self.env_cfg.get('FEATURE_FLAGS', {})
+        feature_flag_json = json.dumps(feature_flags)
+        return feature_flag_json
+
     def get_version_commit_sha(self):
         """ Returns the commit SHA of the current HEAD """
         return LocalGitAPI(Repo(self.app_name)).get_head_sha()