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collect templates for hot reloading

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This commit is contained in:
Evan Almloff 2023-04-02 15:07:51 -05:00
parent e1bb6cc750
commit f96425e425
2 changed files with 75 additions and 47 deletions
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8
packages/server/Cargo.toml
View file

@ -6,6 +6,7 @@ edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
# server functions
server_fn = { path = "D:/Users/Desktop/github/leptos/server_fn", features = ["stable"] }
server_macro = { path = "server-macro" }
@ -23,6 +24,7 @@ axum-macros = "0.3.7"
salvo = { version = "0.37.7", optional = true, features = ["serve-static"] }
serde = "1.0.159"
# Dioxus + SSR
dioxus-core = { path = "../core", version = "^0.3.0" }
dioxus-ssr = { path = "../ssr", version = "^0.3.0", optional = true }
@ -33,8 +35,12 @@ tokio = { version = "1.27.0", features = ["full"], optional = true }
object-pool = "0.5.4"
anymap = "0.12.1"
[target.'cfg(not(target_arch = "wasm32"))'.dependencies]
dioxus-hot-reload = { path = "../hot-reload" }
[features]
default = []
default = ["hot-reload"]
hot-reload = []
warp = ["dep:warp", "http-body", "ssr"]
axum = ["dep:axum", "tower-http", "hyper", "ssr"]
salvo = ["dep:salvo", "hyper", "ssr"]

114
packages/server/src/render.rs
View file

@ -6,40 +6,82 @@ use dioxus_ssr::Renderer;
use crate::prelude::ServeConfig;
fn dioxus_ssr_html<P: 'static + Clone>(cfg: &ServeConfig<P>, renderer: &mut Renderer) -> String {
let ServeConfig {
app,
application_name,
base_path,
head,
props,
..
} = cfg;
#[derive(Clone)]
pub struct SSRState {
// We keep a cache of renderers to avoid re-creating them on every request. They are boxed to make them very cheap to move
renderers: Arc<object_pool::Pool<Renderer>>,
#[cfg(all(debug_assertions, feature = "hot-reload"))]
// The cache of all templates that have been modified since the last time we checked
templates: Arc<std::sync::RwLock<std::collections::HashSet<dioxus_core::Template<'static>>>>,
}
let mut vdom = VirtualDom::new_with_props(*app, props.clone());
let _ = vdom.rebuild();
impl Default for SSRState {
fn default() -> Self {
#[cfg(all(debug_assertions, feature = "hot-reload"))]
let templates = {
let templates = Arc::new(std::sync::RwLock::new(std::collections::HashSet::new()));
dioxus_hot_reload::connect({
let templates = templates.clone();
move |msg| match msg {
dioxus_hot_reload::HotReloadMsg::UpdateTemplate(template) => {
if let Ok(mut templates) = templates.write() {
templates.insert(template);
}
}
dioxus_hot_reload::HotReloadMsg::Shutdown => {
std::process::exit(0);
}
}
});
templates
};
let mut html = String::new();
Self {
renderers: Arc::new(object_pool::Pool::new(10, pre_renderer)),
#[cfg(all(debug_assertions, feature = "hot-reload"))]
templates,
}
}
}
let result = write!(
&mut html,
r#"
impl SSRState {
pub fn render<P: 'static + Clone>(&self, cfg: &ServeConfig<P>) -> String {
let ServeConfig {
app,
application_name,
base_path,
head,
props,
..
} = cfg;
let mut vdom = VirtualDom::new_with_props(*app, props.clone());
let _ = vdom.rebuild();
let mut renderer = self.renderers.pull(pre_renderer);
let mut html = String::new();
let result = write!(
&mut html,
r#"
<!DOCTYPE html>
<html>
<head>{head}
</head><body>
<div id="main">"#
);
);
if let Err(err) = result {
eprintln!("Failed to write to html: {}", err);
}
if let Err(err) = result {
eprintln!("Failed to write to html: {}", err);
}
let _ = renderer.render_to(&mut html, &vdom);
let _ = renderer.render_to(&mut html, &vdom);
if let Err(err) = write!(
&mut html,
r#"</div>
if let Err(err) = write!(
&mut html,
r#"</div>
<script type="module">
import init from "/{base_path}/assets/dioxus/{application_name}.js";
init("/{base_path}/assets/dioxus/{application_name}_bg.wasm").then(wasm => {{
@ -50,31 +92,11 @@ fn dioxus_ssr_html<P: 'static + Clone>(cfg: &ServeConfig<P>, renderer: &mut Rend
</script>
</body>
</html>"#
) {
eprintln!("Failed to write to html: {}", err);
}
html
}
#[derive(Clone)]
pub struct SSRState {
// We keep a cache of renderers to avoid re-creating them on every request. They are boxed to make them very cheap to move
renderers: Arc<object_pool::Pool<Renderer>>,
}
impl Default for SSRState {
fn default() -> Self {
Self {
renderers: Arc::new(object_pool::Pool::new(10, pre_renderer)),
) {
eprintln!("Failed to write to html: {}", err);
}
}
}
impl SSRState {
pub fn render<P: 'static + Clone>(&self, cfg: &ServeConfig<P>) -> String {
let mut renderer = self.renderers.pull(pre_renderer);
dioxus_ssr_html(cfg, &mut renderer)
html
}
}