mirror of
https://github.com/DioxusLabs/dioxus
synced 2024-11-27 14:40:44 +00:00
basic incremental renderer
This commit is contained in:
Evan Almloff
parent
bc063c58b7
commit
3a690877d1
4 changed files with 290 additions and 68 deletions
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@ -23,9 +23,12 @@ wasm-bindgen = { version = "0.2.86", optional = true }
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web-sys = { version = "0.3.60", optional = true, features = ["ScrollRestoration"] }
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js-sys = { version = "0.3.63", optional = true }
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gloo-utils = { version = "0.1.6", optional = true }
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dioxus-ssr = { path = "../ssr", optional = true }
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lru = { version = "0.10.0", optional = true }
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[features]
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default = ["web"]
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default = ["web", "ssr"]
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ssr = ["dioxus-ssr", "lru"]
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wasm_test = []
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serde = ["dep:serde", "gloo-utils/serde"]
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web = ["gloo", "web-sys", "wasm-bindgen", "gloo-utils", "js-sys"]
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@ -2,74 +2,33 @@
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use dioxus::prelude::*;
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use dioxus_router::prelude::*;
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use std::io::prelude::*;
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use std::{path::PathBuf, str::FromStr};
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use dioxus_router::ssr::{DefaultRenderer, IncrementalRendererConfig};
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fn main() {
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render_static_pages();
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}
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let mut renderer = IncrementalRendererConfig::new(DefaultRenderer {
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before_body: r#"<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width,
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initial-scale=1.0">
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<title>Dioxus Application</title>
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</head>
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<body>"#
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.to_string(),
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after_body: r#"</body>
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</html>"#
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.to_string(),
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})
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.static_dir("./static")
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.memory_cache_limit(5)
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.build();
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fn render_static_pages() {
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for route in Route::SITE_MAP
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.iter()
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.flat_map(|seg| seg.flatten().into_iter())
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{
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// check if this is a static segment
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let mut file_path = PathBuf::from("./");
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let mut full_path = String::new();
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let mut is_static = true;
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for segment in &route {
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match segment {
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SegmentType::Static(s) => {
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file_path.push(s);
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full_path += "/";
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full_path += s;
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}
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_ => {
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// skip routes with any dynamic segments
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is_static = false;
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break;
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}
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}
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}
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renderer.pre_cache_static::<Route>();
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if is_static {
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let route = Route::from_str(&full_path).unwrap();
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let mut vdom = VirtualDom::new_with_props(RenderPath, RenderPathProps { path: route });
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let _ = vdom.rebuild();
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file_path.push("index.html");
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std::fs::create_dir_all(file_path.parent().unwrap()).unwrap();
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let mut file = std::fs::File::create(file_path).unwrap();
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let body = dioxus_ssr::render(&vdom);
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let html = format!(
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r#"
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>{}</title>
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</head>
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<body>
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{}
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</body>
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</html>
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"#,
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full_path, body
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);
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file.write_all(html.as_bytes()).unwrap();
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}
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}
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}
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#[inline_props]
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fn RenderPath(cx: Scope, path: Route) -> Element {
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let path = path.clone();
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render! {
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Router {
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config: || RouterConfig::default().history(MemoryHistory::with_initial_path(path))
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for _ in 0..2 {
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for id in 0..10 {
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renderer.render(Route::Post { id });
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}
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}
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}
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@ -84,7 +43,16 @@ fn Blog(cx: Scope) -> Element {
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}
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#[inline_props]
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fn Post(cx: Scope) -> Element {
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fn Post(cx: Scope, id: usize) -> Element {
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render! {
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div {
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"PostId: {id}"
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}
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}
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}
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#[inline_props]
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fn PostHome(cx: Scope) -> Element {
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render! {
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div {
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"Post"
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@ -107,8 +75,12 @@ enum Route {
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#[nest("/blog")]
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#[route("/")]
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Blog {},
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#[route("/post")]
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Post {},
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#[route("/post/index")]
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PostHome {},
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#[route("/post/:id")]
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Post {
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id: usize,
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},
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#[end_nest]
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#[route("/")]
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Home {},
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@ -6,6 +6,9 @@
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pub mod navigation;
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pub mod routable;
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#[cfg(feature = "ssr")]
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pub mod ssr;
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/// Components interacting with the router.
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pub mod components {
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mod default_errors;
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244
packages/router/src/ssr.rs
Normal file
244
packages/router/src/ssr.rs
Normal file
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@ -0,0 +1,244 @@
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//! Incremental file based incremental rendering
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#![allow(non_snake_case)]
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use crate::prelude::*;
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use dioxus::prelude::*;
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use std::{
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io::{Read, Write},
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num::NonZeroUsize,
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path::{Path, PathBuf},
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str::FromStr,
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};
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/// Something that can render a HTML page from a body.
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pub trait RenderHTML {
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/// Render a HTML page from a body.
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fn render_html(&self, body: &str) -> String;
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}
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/// The default page renderer
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pub struct DefaultRenderer {
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/// The HTML before the body.
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pub before_body: String,
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/// The HTML after the body.
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pub after_body: String,
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}
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impl Default for DefaultRenderer {
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fn default() -> Self {
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let before = r#"<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Dioxus Application</title>
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</head>
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<body>"#;
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let after = r#"</body>
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</html>"#;
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Self {
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before_body: before.to_string(),
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after_body: after.to_string(),
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}
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}
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}
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impl RenderHTML for DefaultRenderer {
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fn render_html(&self, body: &str) -> String {
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format!("{}{}{}", self.before_body, body, self.after_body)
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}
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}
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/// A configuration for the incremental renderer.
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pub struct IncrementalRendererConfig<R: RenderHTML> {
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static_dir: PathBuf,
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memory_cache_limit: usize,
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render: R,
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}
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impl Default for IncrementalRendererConfig<DefaultRenderer> {
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fn default() -> Self {
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Self::new(DefaultRenderer::default())
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}
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}
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impl<R: RenderHTML> IncrementalRendererConfig<R> {
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/// Create a new incremental renderer configuration.
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pub fn new(render: R) -> Self {
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Self {
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static_dir: PathBuf::from("./static"),
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memory_cache_limit: 100,
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render,
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}
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}
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/// Set the static directory.
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pub fn static_dir<P: AsRef<Path>>(mut self, static_dir: P) -> Self {
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self.static_dir = static_dir.as_ref().to_path_buf();
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self
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}
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/// Set the memory cache limit.
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pub const fn memory_cache_limit(mut self, memory_cache_limit: usize) -> Self {
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self.memory_cache_limit = memory_cache_limit;
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self
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}
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/// Build the incremental renderer.
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pub fn build(self) -> IncrementalRenderer<R> {
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IncrementalRenderer {
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static_dir: self.static_dir,
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memory_cache: NonZeroUsize::new(self.memory_cache_limit)
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.map(|limit| lru::LruCache::new(limit)),
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render: self.render,
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}
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}
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}
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/// An incremental renderer.
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pub struct IncrementalRenderer<R: RenderHTML> {
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static_dir: PathBuf,
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memory_cache: Option<lru::LruCache<String, String>>,
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render: R,
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}
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impl<R: RenderHTML> IncrementalRenderer<R> {
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/// Create a new incremental renderer builder.
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pub fn builder(renderer: R) -> IncrementalRendererConfig<R> {
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IncrementalRendererConfig::new(renderer)
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}
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fn render_uncached<Rt>(&self, route: Rt) -> String
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where
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Rt: Routable,
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<Rt as FromStr>::Err: std::fmt::Display,
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{
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let mut vdom = VirtualDom::new_with_props(RenderPath, RenderPathProps { path: route });
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let _ = vdom.rebuild();
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let body = dioxus_ssr::render(&vdom);
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self.render.render_html(&body)
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}
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fn add_to_cache(&mut self, route: String, html: String) {
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let file_path = self.route_as_path(&route);
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if let Some(parent) = file_path.parent() {
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if !parent.exists() {
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std::fs::create_dir_all(parent).unwrap();
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}
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}
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let file = std::fs::File::create(dbg!(file_path)).unwrap();
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let mut file = std::io::BufWriter::new(file);
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file.write_all(html.as_bytes()).unwrap();
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if let Some(cache) = self.memory_cache.as_mut() {
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cache.put(route, html);
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}
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}
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fn search_cache(&mut self, route: String) -> Option<String> {
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if let Some(cache_hit) = self
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.memory_cache
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.as_mut()
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.and_then(|cache| cache.get(&route).cloned())
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{
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println!("memory cache hit");
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Some(cache_hit)
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} else {
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let file_path = self.route_as_path(&route);
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if let Ok(file) = dbg!(std::fs::File::open(file_path)) {
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let mut file = std::io::BufReader::new(file);
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let mut html = String::new();
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file.read_to_string(&mut html).ok()?;
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println!("file cache hit");
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Some(html)
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} else {
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None
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}
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}
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}
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/// Render a route or get it from cache.
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pub fn render<Rt>(&mut self, route: Rt) -> String
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where
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Rt: Routable,
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<Rt as FromStr>::Err: std::fmt::Display,
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{
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// check if this route is cached
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if let Some(html) = self.search_cache(route.to_string()) {
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return html;
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}
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// if not, create it
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println!("cache miss");
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let html = self.render_uncached(route.clone());
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self.add_to_cache(route.to_string(), html.clone());
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html
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}
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fn route_as_path(&self, route: &str) -> PathBuf {
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let mut file_path = self.static_dir.clone();
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for segment in route.split('/') {
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file_path.push(segment);
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}
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file_path.push("index");
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file_path.set_extension("html");
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file_path
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}
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/// Pre-cache all static routes.
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pub fn pre_cache_static<Rt>(&mut self)
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where
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Rt: Routable,
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<Rt as FromStr>::Err: std::fmt::Display,
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{
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for route in Rt::SITE_MAP
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.iter()
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.flat_map(|seg| seg.flatten().into_iter())
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{
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// check if this is a static segment
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let mut is_static = true;
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let mut full_path = String::new();
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for segment in &route {
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match segment {
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SegmentType::Static(s) => {
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full_path += "/";
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full_path += s;
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}
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_ => {
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// skip routes with any dynamic segments
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is_static = false;
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break;
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}
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}
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}
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if is_static {
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match Rt::from_str(&full_path) {
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Ok(route) => {
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let _ = self.render(route);
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}
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Err(e) => {
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log::error!("Error pre-caching static route: {}", e);
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}
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}
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}
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}
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}
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}
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#[inline_props]
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fn RenderPath<R>(cx: Scope, path: R) -> Element
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where
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R: Routable,
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<R as FromStr>::Err: std::fmt::Display,
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{
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let path = path.clone();
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render! {
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GenericRouter::<R> {
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config: || RouterConfig::default().history(MemoryHistory::with_initial_path(path))
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}
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}
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}
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