Jonathan Kelley
f2b1c6d97f
overhaul dioxus fullstack using a new implementation of server_fn This PR is a complete rewrite of dioxus fullstack designed to improve compatibility with axum and to fix a number of compilation errors based on feature flag unification plumbing through macros.
32 lines
1.3 KiB
Rust
32 lines
1.3 KiB
Rust
use std::sync::OnceLock;
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/// A custom header that can be set with any value to indicate
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/// that the server function client should redirect to a new route.
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///
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/// This is useful because it allows returning a value from the request,
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/// while also indicating that a redirect should follow. This cannot be
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/// done with an HTTP `3xx` status code, because the browser will follow
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/// that redirect rather than returning the desired data.
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pub const REDIRECT_HEADER: &str = "serverfnredirect";
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/// A function that will be called if a server function returns a `3xx` status
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/// or the [`REDIRECT_HEADER`].
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pub type RedirectHook = Box<dyn Fn(&str) + Send + Sync>;
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// allowed: not in a public API, and pretty straightforward
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#[allow(clippy::type_complexity)]
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pub(crate) static REDIRECT_HOOK: OnceLock<RedirectHook> = OnceLock::new();
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/// Sets a function that will be called if a server function returns a `3xx` status
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/// or the [`REDIRECT_HEADER`]. Returns `Err(_)` if the hook has already been set.
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pub fn set_redirect_hook(hook: impl Fn(&str) + Send + Sync + 'static) -> Result<(), RedirectHook> {
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REDIRECT_HOOK.set(Box::new(hook))
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}
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/// Calls the hook that has been set by [`set_redirect_hook`] to redirect to `loc`.
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pub fn call_redirect_hook(loc: &str) {
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if let Some(hook) = REDIRECT_HOOK.get() {
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hook(loc)
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}
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}
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