From 97d53b81a7a67400485065f7cd8ef1489cb3d861 Mon Sep 17 00:00:00 2001
From: Karl Seguin <k@openmymind.io>
Date: Wed, 11 Feb 2026 12:50:59 +0800
Subject: [PATCH] Give EventManager.dispatch and explicit error set

This allows potentially recursive callers to use an implicit error set return.
---
 src/browser/EventManager.zig              | 13 ++++++++++++-
 src/browser/webapi/element/html/Input.zig |  2 +-
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/src/browser/EventManager.zig b/src/browser/EventManager.zig
index 2d866733..fa0cad4c 100644
--- a/src/browser/EventManager.zig
+++ b/src/browser/EventManager.zig
@@ -157,7 +157,18 @@ pub fn remove(self: *EventManager, target: *EventTarget, typ: []const u8, callba
     }
 }
 
-pub fn dispatch(self: *EventManager, target: *EventTarget, event: *Event) !void {
+// Dispatching can be recursive from the compiler's point of view, so we need to
+// give it an explicit error set so that other parts of the code can use and
+// inferred error.
+const DispatchError = error{
+    OutOfMemory,
+    StringTooLarge,
+    JSExecCallback,
+    CompilationError,
+    ExecutionError,
+    JsException,
+};
+pub fn dispatch(self: *EventManager, target: *EventTarget, event: *Event) DispatchError!void {
     if (comptime IS_DEBUG) {
         log.debug(.event, "eventManager.dispatch", .{ .type = event._type_string.str(), .bubbles = event._bubbles });
     }
diff --git a/src/browser/webapi/element/html/Input.zig b/src/browser/webapi/element/html/Input.zig
index 8512d53c..eafd44d9 100644
--- a/src/browser/webapi/element/html/Input.zig
+++ b/src/browser/webapi/element/html/Input.zig
@@ -98,7 +98,7 @@ pub fn setOnSelectionChange(self: *Input, listener: ?js.Function) !void {
     }
 }
 
-fn dispatchSelectionChangeEvent(self: *Input, page: *Page) anyerror!void {
+fn dispatchSelectionChangeEvent(self: *Input, page: *Page) !void {
     const event = try Event.init("selectionchange", .{ .bubbles = true }, page);
     defer if (!event._v8_handoff) event.deinit(false);
     try page._event_manager.dispatch(self.asElement().asEventTarget(), event);