From 26d066d369de27892de66d3eefb8d2a4a54e5b7c Mon Sep 17 00:00:00 2001
From: Bailey Gibbons <bazzagibbsdev@gmail.com>
Date: Fri, 22 Aug 2025 15:34:50 +1000
Subject: [PATCH] Add `add/remove_document_event_listener()` to
 `core:sys/wasm/js`

---
 core/sys/wasm/js/events.odin             | 20 +++++++++++++
 core/sys/wasm/js/events_all_targets.odin |  8 ++++++
 core/sys/wasm/js/odin.js                 | 36 ++++++++++++++++++++++++
 3 files changed, 64 insertions(+)

diff --git a/core/sys/wasm/js/events.odin b/core/sys/wasm/js/events.odin
index 37a6e6c35..f5a47c06b 100644
--- a/core/sys/wasm/js/events.odin
+++ b/core/sys/wasm/js/events.odin
@@ -373,12 +373,32 @@ remove_window_event_listener :: proc(kind: Event_Kind, user_data: rawptr, callba
 	return _remove_window_event_listener(event_kind_string[kind], user_data, callback, use_capture)
 }
 
+add_document_event_listener :: proc(kind: Event_Kind, user_data: rawptr, callback: proc(e: Event), use_capture := false) -> bool {
+	@(default_calling_convention="contextless")
+	foreign dom_lib {
+		@(link_name="add_document_event_listener")
+		_add_document_event_listener :: proc(name: string, name_code: Event_Kind, user_data: rawptr, callback: proc "odin" (Event), use_capture: bool) -> bool ---
+	}
+	return _add_document_event_listener(event_kind_string[kind], kind, user_data, callback, use_capture)
+}
+
+remove_document_event_listener :: proc(kind: Event_Kind, user_data: rawptr, callback: proc(e: Event), use_capture := false) -> bool {
+	@(default_calling_convention="contextless")
+	foreign dom_lib {
+		@(link_name="remove_document_event_listener")
+		_remove_document_event_listener :: proc(name: string, user_data: rawptr, callback: proc "odin" (Event), use_capture: bool) -> bool ---
+	}
+	return _remove_document_event_listener(event_kind_string[kind], user_data, callback, use_capture)
+}
+
 remove_event_listener_from_event :: proc(e: Event) -> bool {
 	from_use_capture_false: bool
 	from_use_capture_true: bool
 	if e.id == "" {
 		from_use_capture_false = remove_window_event_listener(e.kind, e.user_data, e.callback, false)
 		from_use_capture_true = remove_window_event_listener(e.kind, e.user_data, e.callback, true)
+		from_use_capture_false |= remove_document_event_listener(e.kind, e.user_data, e.callback, false)
+		from_use_capture_true |= remove_document_event_listener(e.kind, e.user_data, e.callback, true)
 	} else {
 		from_use_capture_false = remove_event_listener(e.id, e.kind, e.user_data, e.callback, false)
 		from_use_capture_true = remove_event_listener(e.id, e.kind, e.user_data, e.callback, true)
diff --git a/core/sys/wasm/js/events_all_targets.odin b/core/sys/wasm/js/events_all_targets.odin
index 6439396c5..903252c7a 100644
--- a/core/sys/wasm/js/events_all_targets.odin
+++ b/core/sys/wasm/js/events_all_targets.odin
@@ -275,6 +275,14 @@ remove_window_event_listener :: proc(kind: Event_Kind, user_data: rawptr, callba
 	panic("vendor:wasm/js not supported on non JS targets")
 }
 
+add_document_event_listener :: proc(kind: Event_Kind, user_data: rawptr, callback: proc(e: Event), use_capture := false) -> bool {
+	panic("vendor:wasm/js not supported on non JS targets")
+}
+
+remove_document_event_listener :: proc(kind: Event_Kind, user_data: rawptr, callback: proc(e: Event), use_capture := false) -> bool {
+	panic("vendor:wasm/js not supported on non JS targets")
+}
+
 remove_event_listener_from_event :: proc(e: Event) -> bool {
 	panic("vendor:wasm/js not supported on non JS targets")
 }
diff --git a/core/sys/wasm/js/odin.js b/core/sys/wasm/js/odin.js
index 1fbcc886e..2a8ccdd5e 100644
--- a/core/sys/wasm/js/odin.js
+++ b/core/sys/wasm/js/odin.js
@@ -1738,6 +1738,28 @@ function odinSetupDefaultImports(wasmMemoryInterface, consoleElement, memory) {
 				return true;
 			},
 
+			add_document_event_listener: (name_ptr, name_len, name_code, data, callback, use_capture) => {
+				let name = wasmMemoryInterface.loadString(name_ptr, name_len);
+				let element = document;
+				let key = listener_key('document', name, data, callback, !!use_capture);
+				if (wasmMemoryInterface.listenerMap.has(key)) {
+					return false;
+				}
+
+				let listener = (e) => {
+					let event_data = {};
+					event_data.id_ptr = 0;
+					event_data.id_len = 0;
+					event_data.event = e;
+					event_data.name_code = name_code;
+
+					onEventReceived(event_data, data, callback);
+				};
+				wasmMemoryInterface.listenerMap.set(key, listener);
+				element.addEventListener(name, listener, !!use_capture);
+				return true;
+			},
+
 			remove_event_listener: (id_ptr, id_len, name_ptr, name_len, data, callback, use_capture) => {
 				let id = wasmMemoryInterface.loadString(id_ptr, id_len);
 				let name = wasmMemoryInterface.loadString(name_ptr, name_len);
@@ -1770,6 +1792,20 @@ function odinSetupDefaultImports(wasmMemoryInterface, consoleElement, memory) {
 				element.removeEventListener(name, listener, !!use_capture);
 				return true;
 			},
+			remove_document_event_listener: (name_ptr, name_len, data, callback, use_capture) => {
+				let name = wasmMemoryInterface.loadString(name_ptr, name_len);
+				let element = document;
+
+				let key = listener_key('document', name, data, callback, !!use_capture);
+				let listener = wasmMemoryInterface.listenerMap.get(key);
+				if (listener === undefined) {
+					return false;
+				}
+				wasmMemoryInterface.listenerMap.delete(key);
+
+				element.removeEventListener(name, listener, !!use_capture);
+				return true;
+			},
 
 			event_stop_propagation: () => {
 				if (event_temp.data && event_temp.data.event) {