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dioxus-mirror
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add timestamps to incremental rendering

Evan Almloff 2 years ago
parent
3d41dd95c9
commit
28f875857e
4 changed files with 421 additions and 49 deletions
Unified View Show Diff Stats
  1. 8 1
      packages/router/Cargo.toml
  2. 187 0
      packages/router/benches/incremental.rs
  3. 8 3
      packages/router/examples/static_generation.rs
  4. 218 45
      packages/router/src/ssr.rs

+ 8 - 1
packages/router/Cargo.toml
View File 

@@ -25,10 +25,12 @@ js-sys = { version = "0.3.63", optional = true }
 
 gloo-utils = { version = "0.1.6", optional = true }
 
 gloo-utils = { version = "0.1.6", optional = true }
 
 dioxus-ssr = { path = "../ssr", optional = true }
 
 dioxus-ssr = { path = "../ssr", optional = true }
 
 lru = { version = "0.10.0", optional = true }
 
 lru = { version = "0.10.0", optional = true }
 
+radix_trie = { version = "0.2.1", optional = true }
 
+rustc-hash = "1.1.0"
 
 
 
 [features]
 
 [features]
 
 default = ["web", "ssr"]
 
 default = ["web", "ssr"]
 
-ssr = ["dioxus-ssr", "lru"]
 
+ssr = ["dioxus-ssr", "lru", "radix_trie"]
 
 wasm_test = []
 
 wasm_test = []
 
 serde = ["dep:serde", "gloo-utils/serde"]
 
 serde = ["dep:serde", "gloo-utils/serde"]
 
 web = ["gloo", "web-sys", "wasm-bindgen", "gloo-utils", "js-sys"]
 
 web = ["gloo", "web-sys", "wasm-bindgen", "gloo-utils", "js-sys"]
 
@@ -36,6 +38,11 @@ web = ["gloo", "web-sys", "wasm-bindgen", "gloo-utils", "js-sys"]
 
 [dev-dependencies]
 
 [dev-dependencies]
 
 dioxus = { path = "../dioxus" }
 
 dioxus = { path = "../dioxus" }
 
 dioxus-ssr = { path = "../ssr" }
 
 dioxus-ssr = { path = "../ssr" }
 
+criterion = "0.3"
 
+
 
+[[bench]]
 
+name = "incremental"
 
+harness = false
 
 
 
 [target.'cfg(not(target_family = "wasm"))'.dev-dependencies]
 
 [target.'cfg(not(target_family = "wasm"))'.dev-dependencies]
 
 dioxus-desktop = { path = "../desktop" }
 
 dioxus-desktop = { path = "../desktop" }

+ 187 - 0
packages/router/benches/incremental.rs
View File 

@@ -0,0 +1,187 @@
 
+#![allow(unused, non_snake_case)]
 
+
 
+use std::time::Duration;
 
+
 
+use dioxus::prelude::*;
 
+use dioxus_router::prelude::*;
 
+
 
+use criterion::{black_box, criterion_group, criterion_main, Criterion};
 
+use dioxus_router::ssr::{DefaultRenderer, IncrementalRenderer};
 
+use dioxus_ssr::Renderer;
 
+
 
+pub fn criterion_benchmark(c: &mut Criterion) {
 
+    c.bench_function("build 1000 routes", |b| {
 
+        let mut renderer = IncrementalRenderer::builder(DefaultRenderer {
 
+            before_body: r#"<!DOCTYPE html>
 
+            <html lang="en">
 
+            <head>
 
+                <meta charset="UTF-8">
 
+                <meta name="viewport" content="width=device-width,
 
+                initial-scale=1.0">
 
+                <title>Dioxus Application</title>
 
+            </head>
 
+            <body>"#
 
+                .to_string(),
 
+            after_body: r#"</body>
 
+            </html>"#
 
+                .to_string(),
 
+        })
 
+        .static_dir("./static")
 
+        .invalidate_after(Duration::from_secs(10))
 
+        .build();
 
+
 
+        b.iter(|| {
 
+            for id in 0..100 {
 
+                for id in 0..10 {
 
+                    renderer
 
+                        .render(Route::Post { id }, &mut std::io::sink())
 
+                        .unwrap();
 
+                }
 
+            }
 
+        })
 
+    });
 
+    c.bench_function("build 1000 routes no memory cache", |b| {
 
+        let mut renderer = IncrementalRenderer::builder(DefaultRenderer {
 
+            before_body: r#"<!DOCTYPE html>
 
+            <html lang="en">
 
+            <head>
 
+                <meta charset="UTF-8">
 
+                <meta name="viewport" content="width=device-width,
 
+                initial-scale=1.0">
 
+                <title>Dioxus Application</title>
 
+            </head>
 
+            <body>"#
 
+                .to_string(),
 
+            after_body: r#"</body>
 
+            </html>"#
 
+                .to_string(),
 
+        })
 
+        .static_dir("./static")
 
+        .memory_cache_limit(0)
 
+        .invalidate_after(Duration::from_secs(10))
 
+        .build();
 
+
 
+        b.iter(|| {
 
+            for id in 0..1000 {
 
+                renderer
 
+                    .render(Route::Post { id }, &mut std::io::sink())
 
+                    .unwrap();
 
+            }
 
+        })
 
+    });
 
+    c.bench_function("build 1000 routes no cache", |b| {
 
+        let mut renderer = Renderer::default();
 
+
 
+        b.iter(|| {
 
+            for id in 0..1000 {
 
+                let mut vdom = VirtualDom::new_with_props(
 
+                    RenderPath,
 
+                    RenderPathProps::builder().path(Route::Post { id }).build(),
 
+                );
 
+
 
+                vdom.rebuild();
 
+
 
+                struct Ignore;
 
+
 
+                impl std::fmt::Write for Ignore {
 
+                    fn write_str(&mut self, s: &str) -> std::fmt::Result {
 
+                        Ok(())
 
+                    }
 
+                }
 
+
 
+                renderer.render_to(&mut Ignore, &vdom).unwrap();
 
+            }
 
+        })
 
+    });
 
+    c.bench_function("cache static", |b| {
 
+        b.iter(|| {
 
+            let mut renderer = IncrementalRenderer::builder(DefaultRenderer {
 
+                before_body: r#"<!DOCTYPE html>
 
+                <html lang="en">
 
+                <head>
 
+                    <meta charset="UTF-8">
 
+                    <meta name="viewport" content="width=device-width,
 
+                    initial-scale=1.0">
 
+                    <title>Dioxus Application</title>
 
+                </head>
 
+                <body>"#
 
+                    .to_string(),
 
+                after_body: r#"</body>
 
+                </html>"#
 
+                    .to_string(),
 
+            })
 
+            .static_dir("./static")
 
+            .build();
 
+
 
+            renderer.pre_cache_static_routes::<Route>().unwrap();
 
+        })
 
+    });
 
+}
 
+
 
+criterion_group!(benches, criterion_benchmark);
 
+criterion_main!(benches);
 
+
 
+#[inline_props]
 
+fn Blog(cx: Scope) -> Element {
 
+    render! {
 
+        div {
 
+            "Blog"
 
+        }
 
+    }
 
+}
 
+
 
+#[inline_props]
 
+fn Post(cx: Scope, id: usize) -> Element {
 
+    render! {
 
+        for _ in 0..*id {
 
+            div {
 
+                "PostId: {id}"
 
+            }
 
+        }
 
+    }
 
+}
 
+
 
+#[inline_props]
 
+fn PostHome(cx: Scope) -> Element {
 
+    render! {
 
+        div {
 
+            "Post"
 
+        }
 
+    }
 
+}
 
+
 
+#[inline_props]
 
+fn Home(cx: Scope) -> Element {
 
+    render! {
 
+        div {
 
+            "Home"
 
+        }
 
+    }
 
+}
 
+
 
+#[rustfmt::skip]
 
+#[derive(Clone, Debug, PartialEq, Routable)]
 
+enum Route {
 
+    #[nest("/blog")]
 
+        #[route("/")]
 
+        Blog {},
 
+        #[route("/post/index")]
 
+        PostHome {},
 
+        #[route("/post/:id")]
 
+        Post {
 
+            id: usize,
 
+        },
 
+    #[end_nest]
 
+    #[route("/")]
 
+    Home {},
 
+}
 
+
 
+#[inline_props]
 
+fn RenderPath(cx: Scope, path: Route) -> Element {
 
+    let path = path.clone();
 
+    render! {
 
+        Router {
 
+            config: || RouterConfig::default().history(MemoryHistory::with_initial_path(path))
 
+        }
 
+    }
 
+}

+ 8 - 3
packages/router/examples/static_generation.rs
View File 

@@ -1,5 +1,7 @@
 
 #![allow(non_snake_case)]
 
 #![allow(non_snake_case)]
 
 
 
+use std::time::Duration;
 
+
 
 use dioxus::prelude::*;
 
 use dioxus::prelude::*;
 
 use dioxus_router::prelude::*;
 
 use dioxus_router::prelude::*;
 
 
 
@@ -22,13 +24,16 @@ fn main() {
 
             .to_string(),
 
             .to_string(),
 
     })
 
     })
 
     .static_dir("./static")
 
     .static_dir("./static")
 
+    .invalidate_after(Duration::from_secs(10))
 
     .build();
 
     .build();
 
 
 
-    renderer.pre_cache_static::<Route>();
 
+    renderer.pre_cache_static_routes::<Route>().unwrap();
 
 
 
-    for _ in 0..2 {
 
+    for _ in 0..1_000_000 {
 
         for id in 0..10 {
 
         for id in 0..10 {
 
-            renderer.render(Route::Post { id });
 
+            renderer
 
+                .render(Route::Post { id }, &mut std::io::sink())
 
+                .unwrap();
 
         }
 
         }
 
     }
 
     }
 
 }
 
 }

+ 218 - 45
packages/router/src/ssr.rs
View File 

@@ -4,17 +4,22 @@
 
 
 
 use crate::prelude::*;
 
 use crate::prelude::*;
 
 use dioxus::prelude::*;
 
 use dioxus::prelude::*;
 
+use rustc_hash::FxHasher;
 
 use std::{
 
 use std::{
 
-    io::{Read, Write},
 
+    hash::BuildHasherDefault,
 
+    io::Write,
 
     num::NonZeroUsize,
 
     num::NonZeroUsize,
 
     path::{Path, PathBuf},
 
     path::{Path, PathBuf},
 
     str::FromStr,
 
     str::FromStr,
 
+    time::{Duration, SystemTime},
 
 };
 
 };
 
 
 
 /// Something that can render a HTML page from a body.
 
 /// Something that can render a HTML page from a body.
 
 pub trait RenderHTML {
 
 pub trait RenderHTML {
 
-    /// Render a HTML page from a body.
 
-    fn render_html(&self, body: &str) -> String;
 
+    /// Render the HTML before the body
 
+    fn render_before_body<R: Write>(&self, to: &mut R) -> Result<(), IncrementalRendererError>;
 
+    /// Render the HTML after the body
 
+    fn render_after_body<R: Write>(&self, to: &mut R) -> Result<(), IncrementalRendererError>;
 
 }
 
 }
 
 
 
 /// The default page renderer
 
 /// The default page renderer
 
@@ -45,8 +50,14 @@ impl Default for DefaultRenderer {
 
 }
 
 }
 
 
 
 impl RenderHTML for DefaultRenderer {
 
 impl RenderHTML for DefaultRenderer {
 
-    fn render_html(&self, body: &str) -> String {
 
-        format!("{}{}{}", self.before_body, body, self.after_body)
 
+    fn render_before_body<R: Write>(&self, to: &mut R) -> Result<(), IncrementalRendererError> {
 
+        to.write_all(self.before_body.as_bytes())?;
 
+        Ok(())
 
+    }
 
+
 
+    fn render_after_body<R: Write>(&self, to: &mut R) -> Result<(), IncrementalRendererError> {
 
+        to.write_all(self.after_body.as_bytes())?;
 
+        Ok(())
 
     }
 
     }
 
 }
 
 }
 
 
 
@@ -54,6 +65,7 @@ impl RenderHTML for DefaultRenderer {
 
 pub struct IncrementalRendererConfig<R: RenderHTML> {
 
 pub struct IncrementalRendererConfig<R: RenderHTML> {
 
     static_dir: PathBuf,
 
     static_dir: PathBuf,
 
     memory_cache_limit: usize,
 
     memory_cache_limit: usize,
 
+    invalidate_after: Option<Duration>,
 
     render: R,
 
     render: R,
 
 }
 
 }
 
 
 
@@ -68,7 +80,8 @@ impl<R: RenderHTML> IncrementalRendererConfig<R> {
 
     pub fn new(render: R) -> Self {
 
     pub fn new(render: R) -> Self {
 
         Self {
 
         Self {
 
             static_dir: PathBuf::from("./static"),
 
             static_dir: PathBuf::from("./static"),
 
-            memory_cache_limit: 100,
 
+            memory_cache_limit: 10000,
 
+            invalidate_after: None,
 
             render,
 
             render,
 
         }
 
         }
 
     }
 
     }
 
@@ -85,13 +98,21 @@ impl<R: RenderHTML> IncrementalRendererConfig<R> {
 
         self
 
         self
 
     }
 
     }
 
 
 
+    /// Set the invalidation time.
 
+    pub fn invalidate_after(mut self, invalidate_after: Duration) -> Self {
 
+        self.invalidate_after = Some(invalidate_after);
 
+        self
 
+    }
 
+
 
     /// Build the incremental renderer.
 
     /// Build the incremental renderer.
 
     pub fn build(self) -> IncrementalRenderer<R> {
 
     pub fn build(self) -> IncrementalRenderer<R> {
 
         IncrementalRenderer {
 
         IncrementalRenderer {
 
             static_dir: self.static_dir,
 
             static_dir: self.static_dir,
 
             memory_cache: NonZeroUsize::new(self.memory_cache_limit)
 
             memory_cache: NonZeroUsize::new(self.memory_cache_limit)
 
-                .map(|limit| lru::LruCache::new(limit)),
 
+                .map(|limit| lru::LruCache::with_hasher(limit, Default::default())),
 
+            invalidate_after: self.invalidate_after,
 
             render: self.render,
 
             render: self.render,
 
+            ssr_renderer: dioxus_ssr::Renderer::new(),
 
         }
 
         }
 
     }
 
     }
 
 }
 
 }
 
@@ -99,7 +120,10 @@ impl<R: RenderHTML> IncrementalRendererConfig<R> {
 
 /// An incremental renderer.
 
 /// An incremental renderer.
 
 pub struct IncrementalRenderer<R: RenderHTML> {
 
 pub struct IncrementalRenderer<R: RenderHTML> {
 
     static_dir: PathBuf,
 
     static_dir: PathBuf,
 
-    memory_cache: Option<lru::LruCache<String, String>>,
 
+    memory_cache:
 
+        Option<lru::LruCache<String, (SystemTime, Vec<u8>), BuildHasherDefault<FxHasher>>>,
 
+    invalidate_after: Option<Duration>,
 
+    ssr_renderer: dioxus_ssr::Renderer,
 
     render: R,
 
     render: R,
 
 }
 
 }
 
 
 
@@ -109,80 +133,157 @@ impl<R: RenderHTML> IncrementalRenderer<R> {
 
         IncrementalRendererConfig::new(renderer)
 
         IncrementalRendererConfig::new(renderer)
 
     }
 
     }
 
 
 
-    fn render_uncached<Rt>(&self, route: Rt) -> String
 
+    fn track_timestamps(&self) -> bool {
 
+        self.invalidate_after.is_some()
 
+    }
 
+
 
+    fn render_and_cache<Rt>(
 
+        &mut self,
 
+        route: Rt,
 
+        output: &mut impl Write,
 
+    ) -> Result<(), IncrementalRendererError>
 
     where
 
     where
 
         Rt: Routable,
 
         Rt: Routable,
 
         <Rt as FromStr>::Err: std::fmt::Display,
 
         <Rt as FromStr>::Err: std::fmt::Display,
 
     {
 
     {
 
+        let route_str = route.to_string();
 
         let mut vdom = VirtualDom::new_with_props(RenderPath, RenderPathProps { path: route });
 
         let mut vdom = VirtualDom::new_with_props(RenderPath, RenderPathProps { path: route });
 
         let _ = vdom.rebuild();
 
         let _ = vdom.rebuild();
 
 
 
-        let body = dioxus_ssr::render(&vdom);
 
+        let mut html_buffer = WriteBuffer { buffer: Vec::new() };
 
+        self.render.render_before_body(&mut html_buffer)?;
 
+        self.ssr_renderer.render_to(&mut html_buffer, &mut vdom)?;
 
+        self.render.render_after_body(&mut html_buffer)?;
 
+        let html_buffer = html_buffer.buffer;
 
+
 
+        output.write_all(&html_buffer)?;
 
 
 
-        self.render.render_html(&body)
 
+        self.add_to_cache(route_str, html_buffer)
 
     }
 
     }
 
 
 
-    fn add_to_cache(&mut self, route: String, html: String) {
 
+    fn add_to_cache(
 
+        &mut self,
 
+        route: String,
 
+        html: Vec<u8>,
 
+    ) -> Result<(), IncrementalRendererError> {
 
         let file_path = self.route_as_path(&route);
 
         let file_path = self.route_as_path(&route);
 
         if let Some(parent) = file_path.parent() {
 
         if let Some(parent) = file_path.parent() {
 
             if !parent.exists() {
 
             if !parent.exists() {
 
-                std::fs::create_dir_all(parent).unwrap();
 
+                std::fs::create_dir_all(parent)?;
 
             }
 
             }
 
         }
 
         }
 
-        let file = std::fs::File::create(dbg!(file_path)).unwrap();
 
+        let file = std::fs::File::create(file_path)?;
 
         let mut file = std::io::BufWriter::new(file);
 
         let mut file = std::io::BufWriter::new(file);
 
-        file.write_all(html.as_bytes()).unwrap();
 
+        file.write_all(&html)?;
 
         self.add_to_memory_cache(route, html);
 
         self.add_to_memory_cache(route, html);
 
+        Ok(())
 
     }
 
     }
 
 
 
-    fn add_to_memory_cache<K: AsRef<str> + ToString, V: ToString>(&mut self, route: K, html: V) {
 
+    fn add_to_memory_cache(&mut self, route: String, html: Vec<u8>) {
 
         if let Some(cache) = self.memory_cache.as_mut() {
 
         if let Some(cache) = self.memory_cache.as_mut() {
 
-            if cache.contains(route.as_ref()) {
 
-                cache.promote(route.as_ref())
 
-            } else {
 
-                cache.put(route.to_string(), html.to_string());
 
-            }
 
+            cache.put(route.to_string(), (SystemTime::now(), html));
 
         }
 
         }
 
     }
 
     }
 
 
 
-    fn search_cache(&mut self, route: String) -> Option<String> {
 
-        if let Some(cache_hit) = self
 
+    fn promote_memory_cache<K: AsRef<str>>(&mut self, route: K) {
 
+        if let Some(cache) = self.memory_cache.as_mut() {
 
+            cache.promote(route.as_ref())
 
+        }
 
+    }
 
+
 
+    fn search_cache(
 
+        &mut self,
 
+        route: String,
 
+        output: &mut impl Write,
 
+    ) -> Result<bool, IncrementalRendererError> {
 
+        if let Some((timestamp, cache_hit)) = self
 
             .memory_cache
 
             .memory_cache
 
             .as_mut()
 
             .as_mut()
 
-            .and_then(|cache| cache.get(&route).cloned())
 
+            .and_then(|cache| cache.get(&route))
 
         {
 
         {
 
-            Some(cache_hit)
 
-        } else {
 
-            let file_path = self.route_as_path(&route);
 
-            if let Ok(file) = std::fs::File::open(file_path) {
 
-                let mut file = std::io::BufReader::new(file);
 
-                let mut html = String::new();
 
-                file.read_to_string(&mut html).ok()?;
 
-                self.add_to_memory_cache(route, html.clone());
 
-                Some(html)
 
+            if let (Ok(elapsed), Some(invalidate_after)) =
 
+                (timestamp.elapsed(), self.invalidate_after)
 
+            {
 
+                if elapsed < invalidate_after {
 
+                    log::trace!("memory cache hit {:?}", route);
 
+                    output.write_all(cache_hit)?;
 
+                    return Ok(true);
 
+                }
 
             } else {
 
             } else {
 
-                None
 
+                log::trace!("memory cache hit {:?}", route);
 
+                output.write_all(cache_hit)?;
 
+                return Ok(true);
 
+            }
 
+        }
 
+        if let Some(file_path) = self.find_file(&route) {
 
+            if let Ok(file) = std::fs::File::open(file_path.full_path) {
 
+                let mut file = std::io::BufReader::new(file);
 
+                std::io::copy(&mut file, output)?;
 
+                log::trace!("file cache hit {:?}", route);
 
+                self.promote_memory_cache(&route);
 
+                return Ok(true);
 
             }
 
             }
 
         }
 
         }
 
+        Ok(false)
 
     }
 
     }
 
 
 
     /// Render a route or get it from cache.
 
     /// Render a route or get it from cache.
 
-    pub fn render<Rt>(&mut self, route: Rt) -> String
 
+    pub fn render<Rt>(
 
+        &mut self,
 
+        route: Rt,
 
+        output: &mut impl Write,
 
+    ) -> Result<(), IncrementalRendererError>
 
     where
 
     where
 
         Rt: Routable,
 
         Rt: Routable,
 
         <Rt as FromStr>::Err: std::fmt::Display,
 
         <Rt as FromStr>::Err: std::fmt::Display,
 
     {
 
     {
 
         // check if this route is cached
 
         // check if this route is cached
 
-        if let Some(html) = self.search_cache(route.to_string()) {
 
-            return html;
 
+        if !self.search_cache(route.to_string(), output)? {
 
+            // if not, create it
 
+            self.render_and_cache(route, output)?;
 
+            log::trace!("cache miss");
 
         }
 
         }
 
 
 
-        // if not, create it
 
-        println!("cache miss");
 
-        let html = self.render_uncached(route.clone());
 
-        self.add_to_cache(route.to_string(), html.clone());
 
+        Ok(())
 
+    }
 
 
 
-        html
 
+    fn find_file(&self, route: &str) -> Option<ValidCachedPath> {
 
+        let mut file_path = self.static_dir.clone();
 
+        for segment in route.split('/') {
 
+            file_path.push(segment);
 
+        }
 
+        if let Some(deadline) = self.invalidate_after {
 
+            // find the first file that matches the route and is a html file
 
+            file_path.push("index");
 
+            if let Ok(dir) = std::fs::read_dir(file_path) {
 
+                let mut file = None;
 
+                for entry in dir.flatten() {
 
+                    if let Some(cached_path) = ValidCachedPath::try_from_path(entry.path()) {
 
+                        if let Ok(elapsed) = cached_path.timestamp.elapsed() {
 
+                            if elapsed < deadline {
 
+                                file = Some(cached_path);
 
+                                continue;
 
+                            }
 
+                        }
 
+                        // if the timestamp is invalid or passed, delete the file
 
+                        if let Err(err) = std::fs::remove_file(entry.path()) {
 
+                            log::error!("Failed to remove file: {}", err);
 
+                        }
 
+                    }
 
+                }
 
+                file
 
+            } else {
 
+                None
 
+            }
 
+        } else {
 
+            file_path.push("index.html");
 
+            file_path.exists().then_some({
 
+                ValidCachedPath {
 
+                    full_path: file_path,
 
+                    timestamp: SystemTime::now(),
 
+                }
 
+            })
 
+        }
 
     }
 
     }
 
 
 
     fn route_as_path(&self, route: &str) -> PathBuf {
 
     fn route_as_path(&self, route: &str) -> PathBuf {
 
@@ -190,13 +291,18 @@ impl<R: RenderHTML> IncrementalRenderer<R> {
 
         for segment in route.split('/') {
 
         for segment in route.split('/') {
 
             file_path.push(segment);
 
             file_path.push(segment);
 
         }
 
         }
 
-        file_path.push("index");
 
+        if self.track_timestamps() {
 
+            file_path.push("index");
 
+            file_path.push(timestamp());
 
+        } else {
 
+            file_path.push("index");
 
+        }
 
         file_path.set_extension("html");
 
         file_path.set_extension("html");
 
         file_path
 
         file_path
 
     }
 
     }
 
 
 
     /// Pre-cache all static routes.
 
     /// Pre-cache all static routes.
 
-    pub fn pre_cache_static<Rt>(&mut self)
 
+    pub fn pre_cache_static_routes<Rt>(&mut self) -> Result<(), IncrementalRendererError>
 
     where
 
     where
 
         Rt: Routable,
 
         Rt: Routable,
 
         <Rt as FromStr>::Err: std::fmt::Display,
 
         <Rt as FromStr>::Err: std::fmt::Display,
 
@@ -225,7 +331,7 @@ impl<R: RenderHTML> IncrementalRenderer<R> {
 
             if is_static {
 
             if is_static {
 
                 match Rt::from_str(&full_path) {
 
                 match Rt::from_str(&full_path) {
 
                     Ok(route) => {
 
                     Ok(route) => {
 
-                        let _ = self.render(route);
 
+                        let _ = self.render(route, &mut std::io::sink())?;
 
                     }
 
                     }
 
                     Err(e) => {
 
                     Err(e) => {
 
                         log::error!("Error pre-caching static route: {}", e);
 
                         log::error!("Error pre-caching static route: {}", e);
 
@@ -233,9 +339,65 @@ impl<R: RenderHTML> IncrementalRenderer<R> {
 
                 }
 
                 }
 
             }
 
             }
 
         }
 
         }
 
+
 
+        Ok(())
 
     }
 
     }
 
 }
 
 }
 
 
 
+struct WriteBuffer {
 
+    buffer: Vec<u8>,
 
+}
 
+
 
+impl std::fmt::Write for WriteBuffer {
 
+    fn write_str(&mut self, s: &str) -> std::fmt::Result {
 
+        self.buffer.extend_from_slice(s.as_bytes());
 
+        Ok(())
 
+    }
 
+}
 
+
 
+impl Write for WriteBuffer {
 
+    fn write(&mut self, buf: &[u8]) -> std::io::Result<usize> {
 
+        self.buffer.write(buf)
 
+    }
 
+
 
+    fn flush(&mut self) -> std::io::Result<()> {
 
+        self.buffer.flush()
 
+    }
 
+}
 
+
 
+struct ValidCachedPath {
 
+    full_path: PathBuf,
 
+    timestamp: std::time::SystemTime,
 
+}
 
+
 
+impl ValidCachedPath {
 
+    fn try_from_path(value: PathBuf) -> Option<Self> {
 
+        if value.extension() != Some(std::ffi::OsStr::new("html")) {
 
+            return None;
 
+        }
 
+        let timestamp = decode_timestamp(&value.file_stem()?.to_str()?)?;
 
+        let full_path = value;
 
+        Some(Self {
 
+            full_path,
 
+            timestamp,
 
+        })
 
+    }
 
+}
 
+
 
+fn decode_timestamp(timestamp: &str) -> Option<std::time::SystemTime> {
 
+    let timestamp = u64::from_str_radix(timestamp, 16).ok()?;
 
+    Some(std::time::UNIX_EPOCH + std::time::Duration::from_secs(timestamp))
 
+}
 
+
 
+fn timestamp() -> String {
 
+    let datetime = std::time::SystemTime::now();
 
+    let timestamp = datetime
 
+        .duration_since(std::time::UNIX_EPOCH)
 
+        .unwrap()
 
+        .as_secs();
 
+    format!("{:x}", timestamp)
 
+}
 
+
 
 #[inline_props]
 
 #[inline_props]
 
 fn RenderPath<R>(cx: Scope, path: R) -> Element
 
 fn RenderPath<R>(cx: Scope, path: R) -> Element
 
 where
 
 where
 
@@ -249,3 +411,14 @@ where
 
         }
 
         }
 
     }
 
     }
 
 }
 
 }
 
+
 
+/// An error that can occur while rendering a route or retrieving a cached route.
 
+#[derive(Debug, thiserror::Error)]
 
+pub enum IncrementalRendererError {
 
+    /// An formatting error occurred while rendering a route.
 
+    #[error("RenderError: {0}")]
 
+    RenderError(#[from] std::fmt::Error),
 
+    /// An IO error occurred while rendering a route.
 
+    #[error("IoError: {0}")]
 
+    IoError(#[from] std::io::Error),
 
+}