feat: finalize the Hemx 0.4 core

Cargo.lock

@@ -80,9 +80,9 @@ checksum = "fc652a48c352aef3ea3aed32080501cf3ef6ed5da78602a020c991775b0aff04"
 
 [[package]]
 name = "cc"
-version = "1.4.0"
+version = "1.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5add81bb678e6cb321aff7fa0dc7689ad82b112dbc032cea19f91d6b8e3582b9"
+checksum = "0ad534f4357a5264cce5019c989cf66a4f0dc4e0d1b1d15f8aacec0ff7360273"
 dependencies = [
  "find-msvc-tools",
  "shlex",
@@ -232,9 +232,9 @@ checksum = "da7c62ceae207dd37ea5b845da6a0696c799f85e97da1ab5b7910be3c1c80223"
 
 [[package]]
 name = "find-msvc-tools"
-version = "0.1.9"
+version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5baebc0774151f905a1a2cc41989300b1e6fbb29aff0ceffa1064fdd3088d582"
+checksum = "d45db016d36b838f563236e9193d0ee6ce38f3f68b6c94e914b4929c96bbb890"
 
 [[package]]
 name = "futf"
@@ -248,21 +248,21 @@ dependencies = [
 
 [[package]]
 name = "futures-core"
-version = "0.3.33"
+version = "0.3.34"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2cd50c473c80f6d7c3670a752354b8e569b1a7cbfdc0419ec88e5edad85e0dc7"
+checksum = "92d699e522242e69e3003b94ecc1f960f3a5e015aa7c5d7486e65ad01dd94f5e"
 
 [[package]]
 name = "futures-task"
-version = "0.3.33"
+version = "0.3.34"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b231ed28831efb4a61a08580c4bc233ec56bc009f4cd8f52da2c3cb97df0c109"
+checksum = "cd417de3d1d015fc3bfd2b1ea46dfc7bab72ef86f1cc7cc9c78e728b34a6d1fd"
 
 [[package]]
 name = "futures-util"
-version = "0.3.33"
+version = "0.3.34"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a77a90a256fce34da66415271e30f94ee91c57b04b8a2c042d9cf3220179deaa"
+checksum = "0d50a92467f8ba5dd6e3ee5d4bd04d73ab2e4e1c44474a0674821dfce14b79bc"
 dependencies = [
  "futures-core",
  "futures-task",
@@ -297,37 +297,50 @@ checksum = "ed5909b6e89a2db4456e54cd5f673791d7eca6732202bbf2a9cc504fe2f9b84a"
 
 [[package]]
 name = "hemplate"
-version = "0.2.0"
+version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2fbe24674c08ea9cb50edc015ebd364785a7e3985259dc02de1a20b7b2ba6365"
 dependencies = [
  "hemplate-derive",
  "hemplate-runtime",
 ]
 
+[[package]]
+name = "hemplate-core"
+version = "0.2.0"
+dependencies = [
+ "hemplate-parser 0.1.0",
+ "thiserror",
+ "tree-sitter",
+]
+
 [[package]]
 name = "hemplate-core"
 version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "afe08241413edd4646684b396061b67e7fd17856f7e28d6765689612e2085303"
 dependencies = [
- "hemplate-parser",
+ "hemplate-parser 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "thiserror",
  "tree-sitter",
 ]
 
 [[package]]
 name = "hemplate-derive"
-version = "0.2.0"
+version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4ed77b2cc320137a6a68866f7aa8231292638f0b7c02f65cef221fe713fc2bad"
 dependencies = [
- "hemplate-core",
+ "hemplate-core 0.2.0",
  "proc-macro2",
  "quote",
  "syn 2.0.119",
 ]
 
+[[package]]
+name = "hemplate-parser"
+version = "0.1.0"
+dependencies = [
+ "tree-sitter",
+ "tree-sitter-hemplate 0.1.0",
+]
+
 [[package]]
 name = "hemplate-parser"
 version = "0.1.0"
@@ -335,14 +348,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5418a7a1c7640f287133c512d400e2d1d2e083c86f9a6cb16501f36dd98636a2"
 dependencies = [
  "tree-sitter",
- "tree-sitter-hemplate",
+ "tree-sitter-hemplate 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "hemplate-runtime"
-version = "0.1.0"
+version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d8e235b36e44fe1174267df3ad0952a728afe4305edfbc8804a972b5f0121c06"
 dependencies = [
  "thiserror",
 ]
@@ -373,7 +384,7 @@ dependencies = [
 name = "hemx-build"
 version = "0.4.0"
 dependencies = [
- "hemplate-core",
+ "hemplate-core 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "hemx-core",
  "quote",
  "syn 2.0.119",
@@ -414,7 +425,7 @@ dependencies = [
 
 [[package]]
 name = "hemx-test"
-version = "0.4.0"
+version = "0.5.0"
 dependencies = [
  "axum",
  "hemx-axum",
@@ -457,9 +468,9 @@ dependencies = [
 
 [[package]]
 name = "http-body-util"
-version = "0.1.4"
+version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e9f41fd6a08e4d4ec69df65976da761afd5ad5e58a9d4acb46bd1c953a9e3ff2"
+checksum = "23169fe34a5fbcdd3f3862e78fb9b6fccd5f02a6dc6f732547005d45631ce71c"
 dependencies = [
  "bytes",
  "futures-core",
@@ -482,9 +493,9 @@ checksum = "df3b46402a9d5adb4c86a0cf463f42e19994e3ee891101b1841f30a545cb49a9"
 
 [[package]]
 name = "hyper"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d22053281f852e11534f5198498373cbb59295120a20771d90f7ed1897490a72"
+checksum = "27b501faa50e7a26c3d3560ca625132f4078a17771f4810baf70475ae48cbe43"
 dependencies = [
  "bytes",
  "http",
@@ -512,9 +523,9 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "2.14.0"
+version = "2.14.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d466e9454f08e4a911e14806c24e16fba1b4c121d1ea474396f396069cf949d9"
+checksum = "07aa2048142242915a31d35844fb311e0e53fcca590c3a0a40dcf1b841fa09eb"
 dependencies = [
  "equivalent",
  "hashbrown",
@@ -543,9 +554,9 @@ dependencies = [
 
 [[package]]
 name = "log"
-version = "0.4.33"
+version = "0.4.34"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ceec5bc11778974d1bcb055b18002eba7f4b3518b6a0081b3af5f21666da9ad"
+checksum = "f9f8bd3e56ce4dfc153cf470fffbfa98c7620958b312ca5c3a4b8d5181fd13c6"
 
 [[package]]
 name = "mac"
@@ -584,9 +595,9 @@ checksum = "6877bb514081ee2a7ff5ef9de3281f14a4dd4bceac4c09388074a6b5df8a139a"
 
 [[package]]
 name = "mio"
-version = "1.2.2"
+version = "1.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "30d65c71f1ce40ab09135ce117d742b9f8a19ff91a41a8b57ed50bc2de59c427"
+checksum = "4b18443e9c262bfe8fa82f51666e2642c53393f7e5c27b3e1aeab922cff5b9d8"
 dependencies = [
  "libc",
  "wasi",
@@ -866,7 +877,7 @@ checksum = "e7a5d71263a5a7d47b41f6b3f06ba276f10cc18b0931f1799f710578e2309348"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 3.0.3",
+ "syn 3.0.4",
 ]
 
 [[package]]
@@ -923,9 +934,9 @@ checksum = "0c790de23124f9ab44544d7ac05d60440adc586479ce501c1d6d7da3cd8c9cf5"
 
 [[package]]
 name = "smallvec"
-version = "1.15.2"
+version = "1.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ed6a63f02c8539c91a8685a86f4099661ba3da017932f6ebbea6de3f0fa7c90"
+checksum = "b9be42f50aa861c555654aa3a37f52f4b1074bacf4e48fe0ef7fa584e80f1f0f"
 
 [[package]]
 name = "socket2"
@@ -992,9 +1003,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "3.0.3"
+version = "3.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "53e9bae58849f64dfa4f5d5ae372c8341f7305f82a3868709269343628b659a3"
+checksum = "e6275cddf4610d1775e6d1fe9469b2e77d0f39fd98fb7450901b821e0c53649f"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1020,22 +1031,22 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "2.0.19"
+version = "2.0.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "09a43598840e33d5b0331f38c5e30d13bb11c11210a4b58f0d9b18a5a5eefcd9"
+checksum = "ec86235f5fcc2a73650310756d2ac5b138a5780bbbdfae3eeccec992c435ba4f"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "2.0.19"
+version = "2.0.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "43cbfe0cf76104d42a574802844187e84a305e531ed54455f11fbde0f10541cd"
+checksum = "bc04cd3e1236dd4a98afca4569f2deb3f120e5422a4023be2cb683f8486292af"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 3.0.3",
+ "syn 3.0.4",
 ]
 
 [[package]]
@@ -1060,7 +1071,7 @@ checksum = "78773a2a397f451582ce068015985c33193cf6dea8b74d2a639fe457b2f07b0e"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 3.0.3",
+ "syn 3.0.4",
 ]
 
 [[package]]
@@ -1104,6 +1115,14 @@ dependencies = [
  "tree-sitter-language",
 ]
 
+[[package]]
+name = "tree-sitter-hemplate"
+version = "0.1.0"
+dependencies = [
+ "cc",
+ "tree-sitter-language",
+]
+
 [[package]]
 name = "tree-sitter-hemplate"
 version = "0.1.0"
@@ -1116,9 +1135,9 @@ dependencies = [
 
 [[package]]
 name = "tree-sitter-language"
-version = "0.1.7"
+version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "009994f150cc0cd50ff54917d5bc8bffe8cad10ca10d81c34da2ec421ae61782"
+checksum = "ca0d1bf6fdd806e43ae5198f82f527056d359def39e54e67a0f478ac09dac081"
 
 [[package]]
 name = "typenum"
@@ -1158,9 +1177,9 @@ checksum = "ccf3ec651a847eb01de73ccad15eb7d99f80485de043efb2f370cd654f4ea44b"
 
 [[package]]
 name = "web_atoms"
-version = "0.2.5"
+version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "075474b12bcb3d2e3d4546580e9de478eeeead668a1761e2a8860c836b7ef297"
+checksum = "ba8b815c1b593dc0baf78dd0f4fc8fdb2de53198fb1163738093e9a311c33fb3"
 dependencies = [
  "phf",
  "phf_codegen",

hemx-build/src/artifact.rs

@@ -17,7 +17,6 @@ pub(super) struct Resources {
     pub(super) handle_forms: BTreeMap<String, String>,
     pub(super) handle_params: BTreeMap<String, BTreeSet<String>>,
     pub(super) forms: BTreeMap<String, FormResource>,
-    pub(super) atoms: BTreeMap<String, Resource>,
     pub(super) classes: BTreeMap<String, ClassToken>,
     pub(super) events: BTreeMap<String, EventToken>,
 }
@@ -101,12 +100,6 @@ impl Resources {
                 self.insert_slot(canonical, name, component.clone(), keyed)?;
             }
 
-            if let Some(name) = static_attr(&node.attrs, "data-hemx-atom") {
-                reject_unkeyed_loop(surface, node.scope, path, "atom", &name)?;
-                let canonical = canonical_symbol(root, path, &name);
-                self.insert_atom(canonical, name, component.clone())?;
-            }
-
             if let Some(name) = static_attr(&node.attrs, "data-hemx-handle") {
                 reject_unkeyed_loop(surface, node.scope, path, "handle", &name)?;
                 let canonical = canonical_symbol(root, path, &name);
@@ -169,15 +162,6 @@ impl Resources {
         insert_resource(&mut self.handles, "handle", symbol, name, component).map(|_| ())
     }
 
-    pub(super) fn insert_atom(
-        &mut self,
-        symbol: String,
-        name: String,
-        component: String,
-    ) -> io::Result<()> {
-        insert_resource(&mut self.atoms, "atom", symbol, name, component).map(|_| ())
-    }
-
     pub(super) fn insert_class(
         &mut self,
         symbol: String,
@@ -576,21 +560,6 @@ impl Resources {
         }
         out.push_str(&format!("{pad}}}\n\n"));
 
-        out.push_str(&format!(
-            "{pad}#[allow(non_upper_case_globals)]\n{pad}pub mod atoms {{\n"
-        ));
-        for res in self
-            .atoms
-            .values()
-            .filter(|res| component_matches(res, component))
-        {
-            out.push_str(&format!(
-                "{inner}pub const {}: ::hemx::Atom<::std::string::String> = ::hemx::Atom::new({});\n",
-                res.ident, res.id
-            ));
-        }
-        out.push_str(&format!("{pad}}}\n\n"));
-
         out.push_str(&format!(
             "{pad}#[allow(non_upper_case_globals)]\n{pad}pub mod classes {{\n"
         ));
@@ -794,17 +763,6 @@ impl Resources {
                 res.id
             ));
         }
-        for res in self
-            .atoms
-            .values()
-            .filter(|res| component_matches(res, component))
-        {
-            out.push_str(&format!(
-                "{pad}    (\"data-hemx-atom\", {}, {}),\n",
-                rust_str(&res.ident),
-                res.id
-            ));
-        }
         out.push_str(&format!("{pad}];\n"));
     }
 
@@ -818,7 +776,6 @@ fn __hemx_lower_html(html: &str, table: &[(&str, &str, u32)]) -> ::std::string::
             "data-hemx-handle" => "data-hemx-action",
             "data-hemx-form" => "data-hemx-resource",
             "data-hemx-revealed" => "data-hemx-revealed",
-            "data-hemx-atom" => "data-hemx-resource",
             _ => continue,
         };
         out = __hemx_replace_attr(out, attr, name, runtime_attr, *id);
@@ -899,7 +856,6 @@ fn __hemx_attr(tag: &str, attr: &str) -> Option<::std::string::String> {
             .values()
             .map(|res| &res.component)
             .chain(self.handles.values().map(|res| &res.component))
-            .chain(self.atoms.values().map(|res| &res.component))
             .chain(self.forms.values().map(|form| &form.resource.component))
             .chain(self.classes.values().map(|class| &class.component))
             .chain(self.events.values().map(|event| &event.component))
@@ -955,12 +911,6 @@ fn __hemx_attr(tag: &str, attr: &str) -> Option<::std::string::String> {
                 out.push_str(&format!("handle_param\t{handle_ident}\t{param}\n"));
             }
         }
-        for res in self.atoms.values() {
-            out.push_str(&format!(
-                "atom\t{}\t{}\t{}\n",
-                res.symbol, res.ident, res.id
-            ));
-        }
         for class in self.classes.values() {
             out.push_str(&format!(
                 "class\t{}\t{}\t{}\n",
@@ -991,10 +941,6 @@ fn __hemx_attr(tag: &str, attr: &str) -> Option<::std::string::String> {
             parts.push(1);
             parts.push(res.id);
         }
-        for res in self.atoms.values() {
-            parts.push(3);
-            parts.push(res.id);
-        }
         for form in self.forms.values() {
             parts.push(2);
             parts.push(form.resource.id);

hemx-build/src/authoring.rs

@@ -42,11 +42,9 @@ pub(super) fn known_hemx_attr(name: &str) -> bool {
         "data-hemx-root"
             | "data-hemx-sse"
             | "data-hemx-ws"
-            | "data-hemx-st"
             | "data-hemx-handle"
             | "data-hemx-slot"
             | "data-hemx-form"
-            | "data-hemx-atom"
             | "data-hemx-key"
             | "data-hemx-on"
             | "data-hemx-pending-class"

hemx-build/src/lib.rs

@@ -589,10 +589,9 @@ mod tests {
             io::ErrorKind::InvalidData
         );
 
-        for (kind, source) in [
+        let kind = "handle";
-            ("atom", r#"<span data-hemx-atom="shared"></span>"#),
+        let source = r#"<button data-hemx-handle="shared"></button>"#;
-            ("handle", r#"<button data-hemx-handle="shared"></button>"#),
+        {
-        ] {
             let first =
                 surface_for_heml_source(Path::new("first.heml"), source.to_owned()).unwrap();
             let second =
@@ -663,9 +662,6 @@ mod tests {
         resources
             .handles
             .insert("save".into(), resource("save", "page", 12));
-        resources
-            .atoms
-            .insert("count".into(), resource("count", "page", 13));
         resources.forms.insert(
             "profile".into(),
             FormResource {
@@ -693,8 +689,6 @@ mod tests {
             11,
             1,
             12,
-            3,
-            13,
             2,
             14,
             2,
@@ -713,7 +707,6 @@ mod tests {
         ));
         assert!(generated.contains("pub const slot: SlotTarget"));
         assert!(generated.contains("pub const save: ::hemx::Handle"));
-        assert!(generated.contains("pub const count: ::hemx::Atom"));
         assert!(generated.contains("pub const profile: ::hemx::Form"));
         assert!(generated.contains("\n    pub mod targets {\n"));
 
@@ -727,9 +720,6 @@ mod tests {
         resources
             .handles
             .insert("edit".into(), resource("edit", "row", 22));
-        resources
-            .atoms
-            .insert("selection".into(), resource("selection", "row", 23));
         resources
             .slots
             .insert("child".into(), resource("child", "page", 24));
@@ -788,17 +778,17 @@ mod tests {
         let canonical_syms = resources.syms();
         assert_eq!(
             stable_id("generated-rs", &canonical_generated),
-            3_787_638_288,
+            2_865_325_407,
             "canonical generated Rust changed"
         );
         assert_eq!(
             stable_id("generated-rs-global", &canonical_globals),
-            1_112_484_789,
+            3_814_759_598,
             "canonical global-export Rust changed"
         );
         assert_eq!(
             stable_id("generated-syms", &canonical_syms),
-            984_222_700,
+            2_299_561_723,
             "canonical symbol manifest changed"
         );
     }
@@ -1090,7 +1080,7 @@ mod tests {
         std::fs::create_dir_all(&templates).unwrap();
         std::fs::write(
             templates.join("todo.heml"),
-            r#"<form class="todo-card" data-hemx-handle="create" data-hemx-form="new_todo"><input name="title" required><select name="labels" multiple><option value="urgent">Urgent</option></select><input name="__h" value="reserved"></form><button data-hemx-handle="delete" data-todo-id="7" data-hemx-on="click change">Delete</button><ul data-hemx-slot="todos"></ul><section data-hemx-atom="filter"></section>"#,
+            r#"<form class="todo-card" data-hemx-handle="create" data-hemx-form="new_todo"><input name="title" required><select name="labels" multiple><option value="urgent">Urgent</option></select><input name="__h" value="reserved"></form><button data-hemx-handle="delete" data-todo-id="7" data-hemx-on="click change">Delete</button><ul data-hemx-slot="todos"></ul>"#,
         )
         .unwrap();
         std::fs::write(templates.join("todo.css"), ".todo-card { display: block; }").unwrap();
@@ -1141,8 +1131,6 @@ mod tests {
             "pub const todo_id: ::hemx::ParamName = ::hemx::ParamName::new(\"todo_id\")"
         ));
         assert!(generated.contains("pub mod forms"));
-        assert!(generated.contains("pub mod atoms"));
-        assert!(generated.contains("pub const filter"));
         assert!(generated.contains("pub mod events"));
         assert!(generated
             .contains("pub const click: ::hemx::EventName = ::hemx::EventName::new(\"click\")"));
@@ -1196,10 +1184,6 @@ mod tests {
             "form_field\tnew_todo\tlabels\tfalse\ttrue\n".to_owned(),
             "form_field\tnew_todo\ttitle\ttrue\tfalse\n".to_owned(),
             "handle_param\tdelete\ttodo_id\n".to_owned(),
-            format!(
-                "atom\ttodo.heml::filter\tfilter\t{}\n",
-                stable_id("atom", "todo.heml::filter")
-            ),
             "class\ttodo.css::todo-card\ttodo_card\ttodo-card\n".to_owned(),
             "class\ttodo.heml::todo-card\ttodo_card\ttodo-card\n".to_owned(),
             "event\ttodo.heml::change\tchange\tchange\n".to_owned(),
@@ -1611,8 +1595,6 @@ mod hemx {{
     impl<K, T> KeyedSlot<K, T> {{ pub const fn new(_: u32) -> Self {{ Self(::std::marker::PhantomData) }} pub const fn id(self) -> ResourceId {{ ResourceId }} pub fn append_html(self, _: K, _: impl ::std::convert::Into<SafeHtml>) -> Effect {{ Effect }} pub fn prepend_html(self, _: K, _: impl ::std::convert::Into<SafeHtml>) -> Effect {{ Effect }} pub fn replace_html(self, _: K, _: impl ::std::convert::Into<SafeHtml>) -> Effect {{ Effect }} pub fn remove(self, _: K) -> Effect {{ Effect }} pub fn move_before(self, _: K, _: K) -> Effect {{ Effect }} pub fn move_to_end(self, _: K) -> Effect {{ Effect }} }}
     #[derive(Clone, Copy)] pub struct Handle<T>(::std::marker::PhantomData<T>);
     impl<T> Handle<T> {{ pub const fn new(_: u32) -> Self {{ Self(::std::marker::PhantomData) }} }}
-    #[derive(Clone, Copy)] pub struct Atom<T>(::std::marker::PhantomData<T>);
-    impl<T> Atom<T> {{ pub const fn new(_: u32) -> Self {{ Self(::std::marker::PhantomData) }} }}
     #[derive(Clone, Copy)] pub struct Form<T>(::std::marker::PhantomData<T>);
     impl<T> Form<T> {{ pub const fn new(_: u32) -> Self {{ Self(::std::marker::PhantomData) }} }}
     #[derive(Clone, Copy)] pub struct CssClass(&'static str);
@@ -1891,12 +1873,6 @@ fn main() {{
                 "data-hemx-handle=\"delete\"",
                 "ui::delete",
             ),
-            (
-                "atom",
-                r#"<template h-for="todo in &self.todos"><span data-hemx-atom="selected">Selected</span></template>"#,
-                "data-hemx-atom=\"selected\"",
-                "ui::selected",
-            ),
         ] {
             let base = test_dir(&format!("hemx-build-unkeyed-for-{case}-test"));
             let templates = base.join("templates");
@@ -1933,7 +1909,6 @@ fn main() {{
                         <li data-hemx-slot="todo_row">
                             <template h-for="child in &todo.children" h-key="child.id">
                                 <button data-hemx-handle="delete">Delete</button>
-                                <span data-hemx-atom="selected">Selected</span>
                             </template>
                         </li>
                     </template>
@@ -1948,7 +1923,6 @@ fn main() {{
         assert!(syms.contains("slot\ttodo.heml::todos\ttodos\t"));
         assert!(syms.contains("slot\ttodo.heml::todo_row\ttodo_row\t"));
         assert!(syms.contains("handle\ttodo.heml::delete\tdelete\t"));
-        assert!(syms.contains("atom\ttodo.heml::selected\tselected\t"));
         assert!(syms.contains("slot\ttodo.heml::summary\tsummary\t"));
         let generated = std::fs::read_to_string(out.join("hemx.generated.rs")).unwrap();
         assert!(generated.contains("pub const todo_row: ::hemx::advanced::KeyedSlot"));
@@ -2394,8 +2368,6 @@ mod hemx {{
     impl<K, T> KeyedSlot<K, T> {{ pub const fn new(_: u32) -> Self {{ Self(::std::marker::PhantomData) }} pub const fn id(self) -> ResourceId {{ ResourceId }} pub fn append_html(self, _: K, _: impl ::std::convert::Into<SafeHtml>) -> Effect {{ Effect }} pub fn prepend_html(self, _: K, _: impl ::std::convert::Into<SafeHtml>) -> Effect {{ Effect }} pub fn replace_html(self, _: K, _: impl ::std::convert::Into<SafeHtml>) -> Effect {{ Effect }} pub fn remove(self, _: K) -> Effect {{ Effect }} pub fn move_before(self, _: K, _: K) -> Effect {{ Effect }} pub fn move_to_end(self, _: K) -> Effect {{ Effect }} }}
     #[derive(Clone, Copy)] pub struct Handle<T>(::std::marker::PhantomData<T>);
     impl<T> Handle<T> {{ pub const fn new(_: u32) -> Self {{ Self(::std::marker::PhantomData) }} }}
-    #[derive(Clone, Copy)] pub struct Atom<T>(::std::marker::PhantomData<T>);
-    impl<T> Atom<T> {{ pub const fn new(_: u32) -> Self {{ Self(::std::marker::PhantomData) }} }}
     #[derive(Clone, Copy)] pub struct Form<T>(::std::marker::PhantomData<T>);
     impl<T> Form<T> {{ pub const fn new(_: u32) -> Self {{ Self(::std::marker::PhantomData) }} }}
     #[derive(Clone, Copy)] pub struct ComponentRef(&'static str);

hemx-core/src/lib.rs

@@ -14,27 +14,6 @@ pub const RUNTIME_ABI_VERSION: u32 = 1;
 #[derive(Clone, Copy, Debug, Eq, PartialEq, Hash, Serialize, Deserialize)]
 pub struct BuildFingerprint(pub u64);
 
-#[derive(Clone, Debug, Eq, PartialEq, Serialize, Deserialize)]
-pub struct AtomSnapshot {
-    pub id: u32,
-    pub bytes: Vec<u8>,
-}
-
-#[derive(Clone, Debug, Default, Eq, PartialEq, Serialize, Deserialize)]
-pub struct AtomState {
-    pub atoms: Vec<AtomSnapshot>,
-}
-
-impl AtomState {
-    pub fn to_postcard(&self) -> Result<Vec<u8>, postcard::Error> {
-        postcard::to_allocvec(self)
-    }
-
-    pub fn from_postcard(bytes: &[u8]) -> Result<Self, postcard::Error> {
-        postcard::from_bytes(bytes)
-    }
-}
-
 impl BuildFingerprint {
     pub const fn from_parts(parts: &[u32]) -> Self {
         let mut hash = 0xcbf29ce484222325u64;
@@ -51,7 +30,6 @@ impl BuildFingerprint {
 #[derive(Clone, Copy, Debug, Eq, PartialEq, Hash, Serialize, Deserialize)]
 pub enum ResourceKind {
     Slot,
-    Atom,
     Handle,
     Form,
 }
@@ -669,7 +647,6 @@ fn write_ref(reference: &ResourceRef, out: &mut Vec<u8>) {
     write_u8(
         match reference.resource.kind {
             ResourceKind::Slot => 0,
-            ResourceKind::Atom => 1,
             ResourceKind::Handle => 2,
             ResourceKind::Form => 3,
         },
@@ -866,7 +843,6 @@ fn read_position(reader: &mut WireReader<'_>) -> Result<InsertPosition, WireErro
 fn read_ref(reader: &mut WireReader<'_>) -> Result<ResourceRef, WireError> {
     let kind = match reader.read_u8()? {
         0 => ResourceKind::Slot,
-        1 => ResourceKind::Atom,
         2 => ResourceKind::Handle,
         3 => ResourceKind::Form,
         _ => return Err(WireError::UnknownTag),
@@ -1126,47 +1102,6 @@ where
     }
 }
 
-#[derive(Debug, Eq, PartialEq, Hash)]
-pub struct Atom<T> {
-    id: ResourceId,
-    _marker: PhantomData<fn() -> T>,
-}
-
-impl<T> Clone for Atom<T> {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
-
-impl<T> Copy for Atom<T> {}
-
-impl<T> core::fmt::Display for Atom<T> {
-    fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
-        self.id.id.fmt(f)
-    }
-}
-
-impl<T> Atom<T> {
-    pub const fn new(id: u32) -> Self {
-        Self {
-            id: ResourceId::new(ResourceKind::Atom, id),
-            _marker: PhantomData,
-        }
-    }
-
-    pub const fn id(self) -> ResourceId {
-        self.id
-    }
-
-    pub fn set(self, value: impl ToString) -> Effect {
-        Effect::Patch {
-            target: ResourceRef::unscoped(self.id),
-            mode: PatchMode::Morph,
-            html: SafeHtml::trusted(value.to_string()),
-        }
-    }
-}
-
 #[derive(Debug, Eq, PartialEq, Hash)]
 pub struct Handle<I> {
     id: ResourceId,

hemx-js/runtime/hemx.d.ts

@@ -1,4 +1,4 @@
-export type ResourceKind = "slot" | "atom" | "handle" | "form";
+export type ResourceKind = "slot" | "handle" | "form";
 
 export interface ResourceId {
   kind: ResourceKind;

hemx-js/runtime/hemx.js

@@ -939,7 +939,13 @@
       if (discriminant === 1) return read();
       throw new Error(`unknown hemx option ${discriminant}`);
     };
-    const resource = () => ({ kind: enumValue(["slot", "atom", "handle", "form"], "hemx resource"), id: u32() });
+    const resource = () => {
+      const kind = u8();
+      if (kind === 0) return { kind: "slot", id: u32() };
+      if (kind === 2) return { kind: "handle", id: u32() };
+      if (kind === 3) return { kind: "form", id: u32() };
+      throw new Error(`unknown hemx resource ${kind}`);
+    };
     const scope = () => {
       const kind = u8();
       if (kind === 0) return null;

hemx-js/tests/runtime.rs

@@ -365,8 +365,6 @@ fn runtime_has_no_mirrored_client_application_store() {
 
     assert!(!source.contains("atomStore"));
     assert!(!source.contains("bootstrapState"));
-    assert!(!source.contains("data-hemx-st"));
-    assert!(!source.contains("decodeAtomState"));
 }
 
 #[test]

hemx-test/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "hemx-test"
-version = "0.4.0"
+version = "0.5.0"
 edition.workspace = true
 rust-version.workspace = true
 license.workspace = true

hemx-test/src/html.rs

@@ -300,7 +300,6 @@ impl Error for HtmlInspectionError {}
 fn resource_attribute(kind: ResourceKind) -> &'static str {
     match kind {
         ResourceKind::Slot => "data-hemx-resource",
-        ResourceKind::Atom => "data-hemx-resource",
         ResourceKind::Handle => "data-hemx-action",
         ResourceKind::Form => "data-hemx-resource",
     }

hemx-test/src/lib.rs

@@ -9,7 +9,7 @@ pub use html::{HtmlElement, HtmlInspectionError, HtmlInspector, HtmlSelection};
 pub use process::{ProcessError, ProcessFailure, TestProcess, TestProcessBuilder};
 
 use hemx_core::{
-    Atom, BuildFingerprint, Effect, EffectBatch, Form, GeneratedTarget, IntoEffect, KeyedSlot,
+    BuildFingerprint, Effect, EffectBatch, Form, GeneratedTarget, IntoEffect, KeyedSlot,
     ResourceId, ResourceRef, ScopeKey, Slot,
 };
 use std::future::Future;
@@ -465,10 +465,6 @@ impl EffectInspector {
         self.has_resource(slot.id())
     }
 
-    pub fn has_atom<T>(&self, atom: Atom<T>) -> bool {
-        self.has_resource(atom.id())
-    }
-
     pub fn has_form<T>(&self, form: Form<T>) -> bool {
         self.has_resource(form.id())
     }

hemx-test/tests/inspector.rs

@@ -1,7 +1,6 @@
 use hemx_core::{
-    Atom, BuildFingerprint, Effect, EffectBatch, Form, GeneratedTarget, HistoryMode,
+    BuildFingerprint, Effect, EffectBatch, Form, GeneratedTarget, HistoryMode, InsertPosition,
-    InsertPosition, KeyedSlot, PatchMode, ResourceId, ResourceKind, ResourceRef, SafeHtml,
+    KeyedSlot, PatchMode, ResourceId, ResourceKind, ResourceRef, SafeHtml, ScopeKey, Slot,
-    ScopeKey, Slot,
 };
 
 #[derive(Clone, Copy)]
@@ -30,12 +29,10 @@ fn panic_text<T>(result: std::thread::Result<T>) -> String {
 #[test]
 fn inspects_tuple_effects() {
     let count = Slot::<u32>::new(1);
-    let user = Atom::<String>::new(2);
 
-    let inspected = hemx_test::run(|value| (count.text(value), user.set("alice")), 42);
+    let inspected = hemx_test::run(|value| count.text(value), 42);
 
     assert!(inspected.has_slot(count));
-    assert!(inspected.has_atom(user));
     assert!(inspected.contains(&Effect::Patch {
         target: ResourceRef::unscoped(count.id()),
         mode: PatchMode::Morph,
@@ -227,7 +224,6 @@ fn inspector_predicates_bind_operation_target_scope_kind_and_payload() {
     assert!(!inspected.has_slot(Slot::<()>::new(99)));
     assert!(inspected.has_keyed_slot(KeyedSlot::<String, ()>::new(42)));
     assert!(!inspected.has_keyed_slot(KeyedSlot::<String, ()>::new(99)));
-    assert!(!inspected.has_atom(Atom::<()>::new(42)));
     assert!(inspected.has_form(form));
     assert!(!inspected.has_form(Form::<()>::new(12)));
 

hemx/Cargo.toml

@@ -24,4 +24,4 @@ default = []
 hemx-core = { version = "0.4.0", path = "../hemx-core" }
 hemx-derive = { version = "0.4.0", path = "../hemx-derive" }
 
-hemplate = { version = "0.2.0", default-features = false }
+hemplate = { version = "0.3.0", path = "../../hemplate/hemplate", default-features = false }

hemx/src/lib.rs

@@ -13,9 +13,9 @@ pub use hemx_core::{
 /// Generated metadata tokens used by macros, generated code, integrations, and tests.
 ///
 /// These stay addressable for compatibility, but ordinary app code should use generated
-/// helpers instead of naming raw handles, params, events, atoms, or component refs.
+/// helpers instead of naming raw handles, params, events, or component refs.
 #[doc(hidden)]
-pub use hemx_core::{Atom, ComponentRef, EventName, GeneratedTarget, Handle, ParamName};
+pub use hemx_core::{ComponentRef, EventName, GeneratedTarget, Handle, ParamName};
 pub use hemx_derive::{app, component, form, handler, surface};
 
 /// Advanced/raw hemx primitives used by generated code, integrations, and tests.
@@ -188,8 +188,8 @@ mod tests {
     struct InlineView;
 
     impl hemplate::Hemplate for InlineView {
-        fn render_into(&self, out: &mut String) -> Result<(), hemplate::RenderError> {
+        fn render_into(&self, out: &mut dyn core::fmt::Write) -> Result<(), hemplate::RenderError> {
-            out.push_str("<strong>ok</strong>");
+            out.write_str("<strong>ok</strong>")?;
             Ok(())
         }
     }
@@ -197,8 +197,8 @@ mod tests {
     struct HintTrackingView(Cell<bool>);
 
     impl hemplate::Hemplate for HintTrackingView {
-        fn render_into(&self, out: &mut String) -> Result<(), hemplate::RenderError> {
+        fn render_into(&self, out: &mut dyn core::fmt::Write) -> Result<(), hemplate::RenderError> {
-            out.push_str("<strong>hinted</strong>");
+            out.write_str("<strong>hinted</strong>")?;
             Ok(())
         }
 

tests/server-wasm/Cargo.toml

@@ -6,7 +6,7 @@ license.workspace = true
 publish = false
 
 [dependencies]
-hemplate = { version = "0.2.0", default-features = false, features = ["derive"] }
+hemplate = { version = "0.3.0", path = "../../../hemplate/hemplate", default-features = false, features = ["derive"] }
 hemx = { path = "../../hemx" }
 
 [build-dependencies]