From 1c44857da47f4a9b0dae0ccb45d93209267e79c8 Mon Sep 17 00:00:00 2001
From: Cory McWilliams <cory@unprompted.com>
Date: Tue, 9 Sep 2025 19:09:37 -0400
Subject: [PATCH] core: Move register and unregister to C.

---
 core/core.js | 17 --------------
 src/api.js.c | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 66 insertions(+), 17 deletions(-)

diff --git a/core/core.js b/core/core.js
index 7a463106..69dbfc86 100644
--- a/core/core.js
+++ b/core/core.js
@@ -199,23 +199,6 @@ async function getProcessBlob(blobId, key, options) {
 			let imports = {
 				core: {
 					broadcast: broadcast.bind(process),
-					register: function (eventName, handler) {
-						if (!process.eventHandlers[eventName]) {
-							process.eventHandlers[eventName] = [];
-						}
-						process.eventHandlers[eventName].push(handler);
-					},
-					unregister: function (eventName, handler) {
-						if (process.eventHandlers[eventName]) {
-							let index = process.eventHandlers[eventName].indexOf(handler);
-							if (index != -1) {
-								process.eventHandlers[eventName].splice(index, 1);
-							}
-							if (process.eventHandlers[eventName].length == 0) {
-								delete process.eventHandlers[eventName];
-							}
-						}
-					},
 					user: getUser(process, process),
 					users: async function () {
 						try {
diff --git a/src/api.js.c b/src/api.js.c
index 8b08b9f6..7ad62d97 100644
--- a/src/api.js.c
+++ b/src/api.js.c
@@ -147,12 +147,78 @@ static JSValue _tf_api_core_apps(JSContext* context, JSValueConst this_val, int
 	return result;
 }
 
+static JSValue _tf_api_core_register(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv, int magic, JSValue* data)
+{
+	JSValue event_name = argv[0];
+	JSValue handler = argv[1];
+	JSValue process = data[0];
+	JSValue event_handlers = JS_GetPropertyStr(context, process, "eventHandlers");
+	JSAtom atom = JS_ValueToAtom(context, event_name);
+	JSValue array = JS_GetProperty(context, event_handlers, atom);
+	if (!JS_IsArray(context, array))
+	{
+		JS_FreeValue(context, array);
+		array = JS_NewArray(context);
+		JS_SetProperty(context, event_handlers, atom, JS_DupValue(context, array));
+	}
+	JS_SetPropertyUint32(context, array, tf_util_get_length(context, array), JS_DupValue(context, handler));
+	JS_FreeValue(context, array);
+	JS_FreeAtom(context, atom);
+	JS_FreeValue(context, event_handlers);
+	return JS_UNDEFINED;
+}
+
+static JSValue _tf_api_core_unregister(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv, int magic, JSValue* data)
+{
+	JSValue event_name = argv[0];
+	JSValue handler = argv[1];
+	JSValue process = data[0];
+	JSValue event_handlers = JS_GetPropertyStr(context, process, "eventHandlers");
+	JSAtom atom = JS_ValueToAtom(context, event_name);
+	JSValue array = JS_GetProperty(context, event_handlers, atom);
+
+	if (JS_IsArray(context, array))
+	{
+		JSValue index_of = JS_GetPropertyStr(context, array, "indexOf");
+
+		JSValue index = JS_Call(context, index_of, array, 1, &handler);
+		int int_index = -1;
+		JS_ToInt32(context, &int_index, index);
+		if (int_index != -1)
+		{
+			JSValue splice = JS_GetPropertyStr(context, array, "splice");
+			JSValue splice_args[] =
+			{
+				index,
+				JS_NewInt32(context, 1),
+			};
+			JSValue result = JS_Call(context, splice, array, 2, splice_args);
+			JS_FreeValue(context, result);
+			JS_FreeValue(context, splice);
+		}
+		JS_FreeValue(context, index);
+		JS_FreeValue(context, index_of);
+
+		if (tf_util_get_length(context, array) == 0)
+		{
+			JS_DeleteProperty(context, event_handlers, atom, 0);
+		}
+	}
+
+	JS_FreeValue(context, array);
+	JS_FreeAtom(context, atom);
+	JS_FreeValue(context, event_handlers);
+	return JS_UNDEFINED;
+}
+
 static JSValue _tf_api_register_imports(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
 {
 	JSValue imports = argv[0];
 	JSValue process = argv[1];
 	JSValue core = JS_GetPropertyStr(context, imports, "core");
 	JS_SetPropertyStr(context, core, "apps", JS_NewCFunctionData(context, _tf_api_core_apps, 1, 0, 1, &process));
+	JS_SetPropertyStr(context, core, "register", JS_NewCFunctionData(context, _tf_api_core_register, 2, 0, 1, &process));
+	JS_SetPropertyStr(context, core, "unregister", JS_NewCFunctionData(context, _tf_api_core_unregister, 2, 0, 1, &process));
 	JS_FreeValue(context, core);
 	return JS_UNDEFINED;
 }