let webpack config read env_node var to identify if development or production mode

webpack.config.js

@@ -20,7 +20,8 @@ const NPM_TARGET = process.env.npm_lifecycle_event; //eslint-disable-line no-pro
 const timestamp = new Date().getTime().toString();
 const hash = timestamp.slice(-6, timestamp.length);
 
-var DEV = false;
+var DEV = process.env.ENV_NODE === 'development';
+console.log("DEV", DEV);
 var FULLMAP = false;
 if (NPM_TARGET === 'run' || NPM_TARGET === 'run-fullmap' || NPM_TARGET === 'deploy') {
     DEV = true;