fix(compiler): ignore @HostBinding/@HostListener on static members

crates/oxc_angular_compiler/src/directive/property_decorators.rs

@@ -1553,19 +1553,26 @@ pub(crate) fn extract_host_bindings_in<'a>(
     let mut bindings = Vec::new_in(&allocator);
 
     for element in &class.body.body {
-        let (decorators, property_name) = match element {
+        let (decorators, property_name, is_static) = match element {
             ClassElement::PropertyDefinition(prop) => {
-                (&prop.decorators, get_property_key_name(&prop.key))
+                (&prop.decorators, get_property_key_name(&prop.key), prop.r#static)
             }
             ClassElement::MethodDefinition(method) => {
-                (&method.decorators, get_property_key_name(&method.key))
+                (&method.decorators, get_property_key_name(&method.key), method.r#static)
             }
             ClassElement::AccessorProperty(prop) => {
-                (&prop.decorators, get_property_key_name(&prop.key))
+                (&prop.decorators, get_property_key_name(&prop.key), prop.r#static)
             }
             _ => continue,
         };
 
+        // ngtsc's `filterToMembersWithDecorator` ignores static members: a
+        // `@HostBinding()` on one is not a host binding. Private (`#x`) members
+        // can't carry decorators, and `get_property_key_name` skips them anyway.
+        if is_static {
+            continue;
+        }
+
         let Some(decorator) = find_decorator_by_name(decorators, "HostBinding", consts) else {
             continue;
         };
@@ -1636,16 +1643,22 @@ pub(crate) fn extract_host_listeners_in<'a>(
 
     for element in &class.body.body {
         // Handle both MethodDefinition and PropertyDefinition (for arrow function handlers)
-        let (decorators, property_name) = match element {
+        let (decorators, property_name, is_static) = match element {
             ClassElement::MethodDefinition(method) => {
-                (&method.decorators, get_property_key_name(&method.key))
+                (&method.decorators, get_property_key_name(&method.key), method.r#static)
             }
             ClassElement::PropertyDefinition(prop) => {
-                (&prop.decorators, get_property_key_name(&prop.key))
+                (&prop.decorators, get_property_key_name(&prop.key), prop.r#static)
             }
             _ => continue,
         };
 
+        // ngtsc's `filterToMembersWithDecorator` ignores static members: a
+        // `@HostListener()` on one is not a host listener.
+        if is_static {
+            continue;
+        }
+
         let Some(decorator) = find_decorator_by_name(decorators, "HostListener", consts) else {
             continue;
         };

crates/oxc_angular_compiler/tests/integration_test.rs

@@ -6137,6 +6137,55 @@ export class TestComponent {
     );
 }
 
+/// @HostBinding / @HostListener on `static` members are not host bindings:
+/// ngtsc's `filterToMembersWithDecorator` filters `!member.isStatic` before
+/// collecting them (typescript.ts). They must not appear in `hostBindings`,
+/// `hostVars`, or `propDecorators`.
+#[test]
+fn test_static_host_binding_and_listener_are_ignored() {
+    let allocator = Allocator::default();
+    let source = r"
+import { Directive, HostBinding, HostListener } from '@angular/core';
+
+@Directive({ selector: '[d]' })
+export class D {
+    @HostBinding('class.a') a = true;
+    @HostBinding('class.b') static b = true;
+    @HostListener('click') onClick() {}
+    @HostListener('scroll') static onScroll() {}
+}
+";
+
+    let result = transform_angular_file(&allocator, "test.ts", source, None, None);
+    assert!(!result.has_errors(), "Should not have errors: {:?}", result.diagnostics);
+    let code = &result.code;
+    let compact: String = code.chars().filter(|c| !c.is_whitespace()).collect();
+
+    // Instance member still produces a binding and a listener.
+    assert!(
+        compact.contains(r#"ɵɵclassProp("a",ctx.a)"#),
+        "instance @HostBinding should emit a classProp. Got:\n{code}"
+    );
+    assert!(
+        compact.contains(r#"ɵɵlistener("click""#),
+        "instance @HostListener should emit a listener. Got:\n{code}"
+    );
+
+    // Static members are ignored entirely.
+    assert!(
+        !compact.contains(r#"classProp("b""#),
+        "static @HostBinding should not emit a binding. Got:\n{code}"
+    );
+    assert!(
+        !compact.contains(r#"listener("scroll""#),
+        "static @HostListener should not emit a listener. Got:\n{code}"
+    );
+    assert!(
+        compact.contains("hostVars:2"),
+        "hostVars should count only the instance classProp. Got:\n{code}"
+    );
+}
+
 /// `setClassMetadata`'s `propDecorators` mirrors ngtsc's `extractClassMetadata`
 /// (metadata.ts): static and ECMAScript-private members are excluded, and
 /// string-literal member keys are emitted quoted (`shouldQuoteName`).