Files
dioxus/packages/router/src/incremental.rs
T

115 lines
3.0 KiB
Rust

//! Extensions to the incremental renderer to support pre-caching static routes.
use core::pin::Pin;
use std::future::Future;
use std::str::FromStr;
use dioxus::prelude::*;
use dioxus_ssr::incremental::{
IncrementalRenderer, IncrementalRendererError, RenderFreshness, WrapBody,
};
use crate::prelude::*;
/// Pre-cache all static routes.
pub async fn pre_cache_static_routes<Rt, R: WrapBody + Send + Sync>(
renderer: &mut IncrementalRenderer,
wrapper: &R,
) -> Result<(), IncrementalRendererError>
where
Rt: Routable,
<Rt as FromStr>::Err: std::fmt::Display,
{
for route in Rt::SITE_MAP
.iter()
.flat_map(|seg| seg.flatten().into_iter())
{
// check if this is a static segment
let mut is_static = true;
let mut full_path = String::new();
for segment in &route {
match segment {
SegmentType::Child => {}
SegmentType::Static(s) => {
full_path += "/";
full_path += s;
}
_ => {
// skip routes with any dynamic segments
is_static = false;
break;
}
}
}
if is_static {
match Rt::from_str(&full_path) {
Ok(route) => {
render_route(
renderer,
route,
&mut tokio::io::sink(),
|vdom| {
Box::pin(async move {
let _ = vdom.rebuild();
vdom.wait_for_suspense().await;
})
},
wrapper,
)
.await?;
}
Err(e) => {
tracing::info!("@ route: {}", full_path);
tracing::error!("Error pre-caching static route: {}", e);
}
}
}
}
Ok(())
}
/// Render a route to a writer.
pub async fn render_route<
R: WrapBody + Send + Sync,
Rt,
W,
F: FnOnce(&mut VirtualDom) -> Pin<Box<dyn Future<Output = ()> + '_>>,
>(
renderer: &mut IncrementalRenderer,
route: Rt,
writer: &mut W,
modify_vdom: F,
wrapper: &R,
) -> Result<RenderFreshness, IncrementalRendererError>
where
Rt: Routable,
<Rt as FromStr>::Err: std::fmt::Display,
W: tokio::io::AsyncWrite + Unpin + Send,
{
#[component]
fn RenderPath<R>(path: R) -> Element
where
R: Routable,
<R as FromStr>::Err: std::fmt::Display,
{
let path = path.clone();
rsx! {
Router::<R> {
config: || RouterConfig::default().history(MemoryHistory::with_initial_path(path))
}
}
}
renderer
.render(
route.to_string(),
RenderPath,
RenderPathProps { path: route },
writer,
modify_vdom,
wrapper,
)
.await
}