feat: embed htmx and picocss as static routes

src/server/mod.rs

@@ -1,5 +1,6 @@
 mod error;
 mod gpodder;
+mod r#static;
 
 use axum::{
     body::Body,
@@ -20,6 +21,7 @@ pub struct Context {
 pub fn app(ctx: Context) -> Router {
     Router::new()
         .merge(gpodder::router(ctx.clone()))
+        .nest("/static", r#static::router())
         .layer(axum::middleware::from_fn(header_logger))
         .layer(axum::middleware::from_fn(body_logger))
         .layer(TraceLayer::new_for_http())

src/server/static/mod.rs

@@ -0,0 +1,34 @@
+use std::io::Cursor;
+
+use axum::{routing::get, Router};
+use axum_extra::{headers::Range, TypedHeader};
+use axum_range::{KnownSize, Ranged};
+
+use super::Context;
+
+const HTMX: &str = include_str!("./htmx_2.0.4.min.js");
+const PICOCSS: &str = include_str!("./pico_2.1.1.classless.jade.min.css");
+
+type RangedResponse = Ranged<KnownSize<Cursor<&'static str>>>;
+
+pub fn router() -> Router<Context> {
+    Router::new()
+        .route("/htmx_2.0.4.min.js", get(get_htmx))
+        .route("/pico_2.1.1.classless.jade.min.css", get(get_picocss))
+}
+
+#[inline(always)]
+fn serve_static(data: &'static str, range: Option<Range>) -> RangedResponse {
+    let cursor = Cursor::new(data);
+    let body = KnownSize::sized(cursor, data.len() as u64);
+
+    Ranged::new(range, body)
+}
+
+async fn get_htmx(range: Option<TypedHeader<Range>>) -> RangedResponse {
+    serve_static(HTMX, range.map(|TypedHeader(range)| range))
+}
+
+async fn get_picocss(range: Option<TypedHeader<Range>>) -> RangedResponse {
+    serve_static(PICOCSS, range.map(|TypedHeader(range)| range))
+}