Updated the files.

my-app/node_modules/log4js/lib/appenders/console.js

@@ -0,0 +1,18 @@
+// eslint-disable-next-line no-console
+const consoleLog = console.log.bind(console);
+
+function consoleAppender(layout, timezoneOffset) {
+  return (loggingEvent) => {
+    consoleLog(layout(loggingEvent, timezoneOffset));
+  };
+}
+
+function configure(config, layouts) {
+  let layout = layouts.colouredLayout;
+  if (config.layout) {
+    layout = layouts.layout(config.layout.type, config.layout);
+  }
+  return consoleAppender(layout, config.timezoneOffset);
+}
+
+module.exports.configure = configure;