Modified 4 years, 8 months ago. Viewed 6k times. 1. Why is this line: const store = configureStore (window.INITIAL_STATE); causing this error: ReferenceError: window is not defined. I'm trying to update a pretty old code base (React 15.2 with SSR, react-router v.3x). The code right under the problem line is. WebApr 8, 2024 · Fixing a window is not defined error can be quite simple. In most cases, all you will need to do is wrap your window associated code in logic to make sure it is only used on the client. For example, let’s say you want to get a page’s width and height: let width = 0, height = 0; width = window.innerWidth; height = window.innerHeight;
Using window in React SSR: The Complete Guide - Stephen Cook Dev
WebAug 22, 2024 · Checking if Window is Defined An alternative to this is to simply check if the window object is defined before we run our code. If the code is running on the server, since we aren’t in the browser, the window object won’t exist. We can’t use the same example as before as there is one key difference to this approach. WebSep 27, 2024 · We could check if window is not defined by adding this line at the top of any function that tries to access window: if (typeof window === 'undefined') return Note you cannot do window === undefined as this assume would window is declared, but has no value. When actually, window hasn't been declared at all. This is the difference between: curling live stream
Window is not defined · Issue #309 · gatsbyjs/gatsby · GitHub
WebJan 24, 2024 · ReferenceError: window is not defined is a pretty common error you may run into when using Next.js for the first time but don’t let that be a blocker. If you keep in mind that your code could be run on the client and the server, you’ll get used to ensuring your code works for both. I hope these solutions will help you on your journey. WebSep 26, 2024 · Implement SSR (Server Side Rendering) support · Issue #27 · react-keycloak/react-keycloak · GitHub Closed on Sep 26, 2024 · 15 comments commented on Sep 26, 2024 a core with all the shared logic. a web / spa with the current binding to be used for SPA apps. a next with the changes ported from next-keycloak repo. WebFeb 14, 2024 · In the above code snippet, we have a component named Screen that uses window.innerWidth to set the initial value. Now, during SSR, the code executes on the server but the window object simply doesn't exist there. Hence, this will break our app. To fix this we can move the access to the window variable inside useEffect. curling lessons near me