add browser-utils

packages/core/src/index.js

@@ -18,4 +18,5 @@ export * from './plugin/service/tag-cache-manager';
 export * from './models/devided-page-path';
 export * from './service/localstorage-manager';
 export * from './utils/basic-interceptor';
+export * from './utils/browser-utils';
 export * from './utils/mongoose-utils';

packages/core/src/utils/browser-utils.ts

@@ -0,0 +1,7 @@
+export const isClient = (): boolean => {
+  return (typeof window !== 'undefined') || (typeof navigator !== 'undefined' && navigator.webdriver);
+};
+
+export const isServer = (): boolean => {
+  return !isClient();
+};