Exclude node registry functions from desktop frontend builds (#3584)

* Exclude node registry functions from desktop frontend builds

This reduces compile times and file sizes

* Use early return

* Fix branch name in build-linux pipeline

Author: TrueDoctor

.github/workflows/build-linux-bundle.yml

@@ -4,7 +4,7 @@ on:
   workflow_dispatch: {}
   push:
     branches:
-      - main
+      - master
 
 jobs:
   build:

Cargo.lock

@@ -14,7 +14,7 @@ license = "Apache-2.0"
 default = ["gpu", "shader-nodes"]
 gpu = ["editor/gpu"]
 shader-nodes = ["graphene-std/shader-nodes", "gpu"]
-native = []
+native = ["node-macro/disable-registration"]
 
 [lib]
 crate-type = ["cdylib", "rlib"]
@@ -39,6 +39,7 @@ wgpu = { workspace = true }
 web-sys = { workspace = true }
 ron = { workspace = true }
 serde_json = { workspace = true }
+node-macro = { workspace = true }
 
 [package.metadata.wasm-pack.profile.dev]
 wasm-opt = false

frontend/wasm/Cargo.toml

@@ -13,6 +13,9 @@ license = "Apache-2.0"
 [lib]
 proc-macro = true
 
+[features]
+disable-registration = []
+
 [dependencies]
 # Workspace dependencies
 syn = { workspace = true }

node-graph/node-macro/Cargo.toml

@@ -678,18 +678,25 @@ fn generate_register_node_impl(parsed: &ParsedNodeFn, field_names: &[&Ident], st
 	}
 	let registry_name = format_ident!("__node_registry_{}_{}", NODE_ID.fetch_add(1, std::sync::atomic::Ordering::SeqCst), struct_name);
 
+	let native = quote! {
+	#[cfg_attr(not(target_family = "wasm"), ctor)]
+	fn register_node() {
+		let mut registry = NODE_REGISTRY.lock().unwrap();
+		registry.insert(
+			#identifier(),
+			vec![
+				#(#constructors,)*
+			]
+		);
+	}
+	};
+	if cfg!(feature = "disable-registration") {
+		return Ok(native);
+	}
+
 	Ok(quote! {
+		#native
 
-		#[cfg_attr(not(target_family = "wasm"), ctor)]
-		fn register_node() {
-			let mut registry = NODE_REGISTRY.lock().unwrap();
-			registry.insert(
-				#identifier(),
-				vec![
-					#(#constructors,)*
-				]
-			);
-		}
 		#[cfg(target_family = "wasm")]
 		#[unsafe(no_mangle)]
 		extern "C" fn #registry_name() {