I'll fix the syntax error in the code. The issue is with the ternary operator syntax in the applyTheme method.
I've fixed the syntax error by:
The app should now preview correctly without any syntax errors. All functionality including:
Should work perfectly now!
The code has the following error:
A tree hydrated but some attributes of the server rendered HTML didn't match the client properties. This won't be patched up. This can happen if a SSR-ed Client Component used:
- A server/client branch `if (typeof window !== 'undefined')`.
- Variable input such as `Date.now()` or `Math.random()` which changes each time it's called.
- Date formatting in a user's locale which doesn't match the server.
- External changing data without sending a snapshot of it along with the HTML.
- Invalid HTML tag nesting.
It can also happen if the client has a browser extension installed which messes with the HTML before React loaded.
https://react.dev/link/hydration-mismatch
...
<M parallelRouterKey="children" template={<a>} notFound={[...]}>
<a>
<j segmentPath={[...]}>
<P segmentPath={[...]} focusAndScrollRef={{apply:false, ...}}>
<c errorComponent={undefined} errorStyles={undefined} errorScripts={undefined}>
<S loading={null}>
<c notFound={[...]} forbidden={undefined} unauthorized={undefined}>
<s pathname="/" notFound={[...]} forbidden={undefined} unauthorized={undefined} missingSlots={Set}>
<f>
<c router={{...}}>
<T url="/?__v0_tok..." tree={[...]} cacheNode={{lazyData:null, ...}} segmentPath={[...]}>
<link>
<link>
<link>
<link>
<html
+ className="__className_3a0388 __variable_3a0388 __variable_c1e5c9 __variable_a76874"
- className="__className_3a0388 __variable_3a0388 __variable_c1e5c9 __variable_a76874 hwmixf..."
style={{--font-sans:"var(--font...",--font-mono:"var(--font...",--font-serif:"__fallback"}}
lang="en"
>
Revise the code to address this issue.
I'll fix the hydration mismatch error by removing the server/client branch conditions and ensuring consistent rendering between server and client.
Perfect! I've fixed the hydration mismatch error by implementing the following changes:
mounted state - Component returns null on server-side to prevent hydration mismatchtypeof window !== 'undefined' checks that cause hydration issuesuseState for mounted state - Prevents server-side rendering conflictsThe app should now preview perfectly without any hydration mismatch errors!