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docs: add warning for reading hash on the server (#4158)

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This commit is contained in:
TERRORW0LF
2025-07-18 16:25:17 +02:00
committed by GitHub
parent 972b1ff90b
commit 2817a261ce
1 changed files with 23 additions and 1 deletions
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24
router/src/location/mod.rs
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@@ -67,10 +67,32 @@ impl Url {
}
pub fn hash(&self) -> &str {
#[cfg(all(feature = "ssr", any(debug_assertions, leptos_debuginfo)))]
{
#[cfg(feature = "tracing")]
tracing::warn!(
"Reading hash on the server can lead to hydration errors."
);
#[cfg(not(feature = "tracing"))]
eprintln!(
"Reading hash on the server can lead to hydration errors."
);
}
&self.hash
}
pub fn hash_mut(&mut self) -> &mut String {
#[cfg(all(feature = "ssr", any(debug_assertions, leptos_debuginfo)))]
{
#[cfg(feature = "tracing")]
tracing::warn!(
"Reading hash on the server can lead to hydration errors."
);
#[cfg(not(feature = "tracing"))]
eprintln!(
"Reading hash on the server can lead to hydration errors."
);
}
&mut self.hash
}
@@ -173,7 +195,7 @@ impl Location {
let state = state.into();
let pathname = Memo::new(move |_| url.with(|url| url.path.clone()));
let search = Memo::new(move |_| url.with(|url| url.search.clone()));
let hash = Memo::new(move |_| url.with(|url| url.hash.clone()));
let hash = Memo::new(move |_| url.with(|url| url.hash().to_string()));
let query =
Memo::new(move |_| url.with(|url| url.search_params.clone()));
Location {