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Merge pull request #1915 from lightpanda-io/unhandled_rejection_improvements

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Improve unhandled rejection
This commit is contained in:
Karl Seguin
2026-03-20 07:11:35 +08:00
committed by GitHub
parent d94fd2a43b db01158d2d
commit cf46f0097a
2 changed files with 28 additions and 6 deletions
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7
src/browser/js/Env.zig
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@@ -495,6 +495,11 @@ pub fn terminate(self: *const Env) void {
}
fn promiseRejectCallback(message_handle: v8.PromiseRejectMessage) callconv(.c) void {
const promise_event = v8.v8__PromiseRejectMessage__GetEvent(&message_handle);
if (promise_event != v8.kPromiseRejectWithNoHandler and promise_event != v8.kPromiseHandlerAddedAfterReject) {
return;
}
const promise_handle = v8.v8__PromiseRejectMessage__GetPromise(&message_handle).?;
const v8_isolate = v8.v8__Object__GetIsolate(@ptrCast(promise_handle)).?;
const isolate = js.Isolate{ .handle = v8_isolate };
@@ -508,7 +513,7 @@ fn promiseRejectCallback(message_handle: v8.PromiseRejectMessage) callconv(.c) v
};
const page = ctx.page;
page.window.unhandledPromiseRejection(.{
page.window.unhandledPromiseRejection(promise_event == v8.kPromiseRejectWithNoHandler, .{
.local = &local,
.handle = &message_handle,
}, page) catch |err| {

27
src/browser/webapi/Window.zig
View File

@@ -67,7 +67,8 @@ _on_pageshow: ?js.Function.Global = null,
_on_popstate: ?js.Function.Global = null,
_on_error: ?js.Function.Global = null,
_on_message: ?js.Function.Global = null,
_on_unhandled_rejection: ?js.Function.Global = null, // TODO: invoke on error
_on_rejection_handled: ?js.Function.Global = null,
_on_unhandled_rejection: ?js.Function.Global = null,
_current_event: ?*Event = null,
_location: *Location,
_timer_id: u30 = 0,
@@ -222,6 +223,14 @@ pub fn setOnMessage(self: *Window, setter: ?FunctionSetter) void {
self._on_message = getFunctionFromSetter(setter);
}
pub fn getOnRejectionHandled(self: *const Window) ?js.Function.Global {
return self._on_rejection_handled;
}
pub fn setOnRejectionHandled(self: *Window, setter: ?FunctionSetter) void {
self._on_rejection_handled = getFunctionFromSetter(setter);
}
pub fn getOnUnhandledRejection(self: *const Window) ?js.Function.Global {
return self._on_unhandled_rejection;
}
@@ -572,7 +581,7 @@ pub fn scrollBy(self: *Window, opts: ScrollToOpts, y: ?i32, page: *Page) !void {
return self.scrollTo(.{ .x = absx }, absy, page);
}
pub fn unhandledPromiseRejection(self: *Window, rejection: js.PromiseRejection, page: *Page) !void {
pub fn unhandledPromiseRejection(self: *Window, no_handler: bool, rejection: js.PromiseRejection, page: *Page) !void {
if (comptime IS_DEBUG) {
log.debug(.js, "unhandled rejection", .{
.value = rejection.reason(),
@@ -580,13 +589,20 @@ pub fn unhandledPromiseRejection(self: *Window, rejection: js.PromiseRejection,
});
}
const event_name, const attribute_callback = blk: {
if (no_handler) {
break :blk .{ "unhandledrejection", self._on_unhandled_rejection };
}
break :blk .{ "rejectionhandled", self._on_rejection_handled };
};
const target = self.asEventTarget();
if (page._event_manager.hasDirectListeners(target, "unhandledrejection", self._on_unhandled_rejection)) {
const event = (try @import("event/PromiseRejectionEvent.zig").init("unhandledrejection", .{
if (page._event_manager.hasDirectListeners(target, event_name, attribute_callback)) {
const event = (try @import("event/PromiseRejectionEvent.zig").init(event_name, .{
.reason = if (rejection.reason()) |r| try r.temp() else null,
.promise = try rejection.promise().temp(),
}, page)).asEvent();
try page._event_manager.dispatchDirect(target, event, self._on_unhandled_rejection, .{ .context = "window.unhandledrejection" });
try page._event_manager.dispatchDirect(target, event, attribute_callback, .{ .context = "window.unhandledrejection" });
}
}
@@ -813,6 +829,7 @@ pub const JsApi = struct {
pub const onpopstate = bridge.accessor(Window.getOnPopState, Window.setOnPopState, .{});
pub const onerror = bridge.accessor(Window.getOnError, Window.setOnError, .{});
pub const onmessage = bridge.accessor(Window.getOnMessage, Window.setOnMessage, .{});
pub const onrejectionhandled = bridge.accessor(Window.getOnRejectionHandled, Window.setOnRejectionHandled, .{});
pub const onunhandledrejection = bridge.accessor(Window.getOnUnhandledRejection, Window.setOnUnhandledRejection, .{});
pub const event = bridge.accessor(Window.getEvent, null, .{ .null_as_undefined = true });
pub const fetch = bridge.function(Window.fetch, .{});