feat: Add livereload

Cargo.lock

@@ -70,9 +70,11 @@ dependencies = [
  "askama_axum",
  "axum",
  "listenfd",
+ "notify",
  "serde",
  "tokio",
  "tower-http",
+ "tower-livereload",
 ]
 
 [[package]]
@@ -868,6 +870,18 @@ dependencies = [
  "rustc_version",
 ]
 
+[[package]]
+name = "filetime"
+version = "0.2.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1ee447700ac8aa0b2f2bd7bc4462ad686ba06baa6727ac149a2d6277f0d240fd"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "redox_syscall 0.4.1",
+ "windows-sys 0.52.0",
+]
+
 [[package]]
 name = "flate2"
 version = "1.0.30"
@@ -920,6 +934,15 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "fsevent-sys"
+version = "4.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "76ee7a02da4d231650c7cea31349b889be2f45ddb3ef3032d2ec8185f6313fd2"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "futf"
 version = "0.1.5"
@@ -1540,6 +1563,26 @@ dependencies = [
  "cfb",
 ]
 
+[[package]]
+name = "inotify"
+version = "0.9.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8069d3ec154eb856955c1c0fbffefbf5f3c40a104ec912d4797314c1801abff"
+dependencies = [
+ "bitflags 1.3.2",
+ "inotify-sys",
+ "libc",
+]
+
+[[package]]
+name = "inotify-sys"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e05c02b5e89bff3b946cedeca278abc628fe811e604f027c45a8aa3cf793d0eb"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "instant"
 version = "0.1.13"
@@ -1643,6 +1686,26 @@ dependencies = [
  "unicode-segmentation",
 ]
 
+[[package]]
+name = "kqueue"
+version = "1.0.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7447f1ca1b7b563588a205fe93dea8df60fd981423a768bc1c0ded35ed147d0c"
+dependencies = [
+ "kqueue-sys",
+ "libc",
+]
+
+[[package]]
+name = "kqueue-sys"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed9625ffda8729b85e45cf04090035ac368927b8cebc34898e7c120f52e4838b"
+dependencies = [
+ "bitflags 1.3.2",
+ "libc",
+]
+
 [[package]]
 name = "kuchikiki"
 version = "0.8.2"
@@ -1857,6 +1920,18 @@ dependencies = [
  "simd-adler32",
 ]
 
+[[package]]
+name = "mio"
+version = "0.8.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a4a650543ca06a924e8b371db273b2756685faae30f8487da1b56505a8f78b0c"
+dependencies = [
+ "libc",
+ "log",
+ "wasi 0.11.0+wasi-snapshot-preview1",
+ "windows-sys 0.48.0",
+]
+
 [[package]]
 name = "mio"
 version = "1.0.1"
@@ -1939,6 +2014,25 @@ dependencies = [
  "minimal-lexical",
 ]
 
+[[package]]
+name = "notify"
+version = "6.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6205bd8bb1e454ad2e27422015fb5e4f2bcc7e08fa8f27058670d208324a4d2d"
+dependencies = [
+ "bitflags 2.6.0",
+ "crossbeam-channel",
+ "filetime",
+ "fsevent-sys",
+ "inotify",
+ "kqueue",
+ "libc",
+ "log",
+ "mio 0.8.11",
+ "walkdir",
+ "windows-sys 0.48.0",
+]
+
 [[package]]
 name = "nu-ansi-term"
 version = "0.46.0"
@@ -2183,7 +2277,7 @@ checksum = "1e401f977ab385c9e4e3ab30627d6f26d00e2c73eef317493c4ec6d468726cf8"
 dependencies = [
  "cfg-if",
  "libc",
- "redox_syscall",
+ "redox_syscall 0.5.3",
  "smallvec",
  "windows-targets 0.52.6",
 ]
@@ -2579,6 +2673,15 @@ version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "20675572f6f24e9e76ef639bc5552774ed45f1c30e2951e1e99c59888861c539"
 
+[[package]]
+name = "redox_syscall"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4722d768eff46b75989dd134e5c353f0d6296e5aaa3132e776cbdb56be7731aa"
+dependencies = [
+ "bitflags 1.3.2",
+]
+
 [[package]]
 name = "redox_syscall"
 version = "0.5.3"
@@ -3022,7 +3125,7 @@ dependencies = [
  "objc2-foundation",
  "objc2-quartz-core",
  "raw-window-handle 0.6.2",
- "redox_syscall",
+ "redox_syscall 0.5.3",
  "wasm-bindgen",
  "web-sys",
  "windows-sys 0.52.0",
@@ -3517,7 +3620,7 @@ dependencies = [
  "backtrace",
  "bytes",
  "libc",
- "mio",
+ "mio 1.0.1",
  "pin-project-lite",
  "socket2",
  "tokio-macros",
@@ -3665,6 +3768,20 @@ version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c20c8dbed6283a09604c3e69b4b7eeb54e298b8a600d4d5ecb5ad39de609f1d0"
 
+[[package]]
+name = "tower-livereload"
+version = "0.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "57d7d9fecf1242d1c6a3cf8f7f3c2da94e6aac553bb7062ab6d03e16b9872fd0"
+dependencies = [
+ "bytes",
+ "http",
+ "http-body",
+ "pin-project-lite",
+ "tokio",
+ "tower",
+]
+
 [[package]]
 name = "tower-service"
 version = "0.3.2"

crates/app/Cargo.toml

@@ -8,7 +8,9 @@ askama = "0.12.1"
 askama_axum = "0.4.0"
 axum = "0.7.5"
 listenfd = "1.0.1"
+notify = "6.1.1"
 serde = { version = "1.0.204", features = ["derive"] }
 tokio = { version = "1.39.1", features = ["macros", "rt-multi-thread"] }
 tower-http = { version = "0.5.2", features = ["fs"] }
+tower-livereload = "0.9.3"
 

crates/app/src/main.rs

@@ -1,14 +1,28 @@
 use ::app::get_router;
+use axum::http::Request;
+use notify::Watcher;
 use std::env;
 use std::path::Path;
 use listenfd::ListenFd;
 use tokio::net::TcpListener;
+use tower_livereload::LiveReloadLayer;
+
+fn not_htmx_predicate<T>(req: &Request<T>) -> bool {
+    !req.headers().contains_key("hx-request")
+}
 
 #[tokio::main]
 async fn main() {
     let manifest_dir = env::var("CARGO_MANIFEST_DIR").unwrap();
     let assets_path = Path::new(&manifest_dir).join("assets");
-    let router = get_router(assets_path.as_path());
+
+    let livereload = LiveReloadLayer::new();
+    let reloader = livereload.reloader();
+
+    let router = get_router(assets_path.as_path()).layer(livereload.request_predicate(not_htmx_predicate));
+
+    let mut watcher = notify::recommended_watcher(move |_| reloader.reload()).unwrap();
+    watcher.watch(&Path::new(&manifest_dir).join("templates"), notify::RecursiveMode::Recursive).unwrap();
 
     let mut listenfd = ListenFd::from_env();
     let listener = match listenfd.take_tcp_listener(0).unwrap() {
@@ -18,7 +32,7 @@ async fn main() {
             TcpListener::from_std(listener).unwrap()
         }
         // otherwise fall back to local listening
-        None => TcpListener::bind("127.0.0.1:3000").await.unwrap(),
+        None => TcpListener::bind("localhost:3000").await.unwrap(),
     };
 
     println!("Listening on: http://{}", listener.local_addr().unwrap());