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error modal on ssr error

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This commit is contained in:
Zack Radisic
2025-08-07 20:04:58 -07:00
parent 0f74fafc59
commit c8773c5e30
1 changed files with 49 additions and 0 deletions
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49
src/bun.js/api/server/RequestContext.zig
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@@ -1675,6 +1675,55 @@ pub fn NewRequestContext(comptime ssl_enabled: bool, comptime debug_mode: bool,
var exception_list: std.ArrayList(Api.JsException) = std.ArrayList(Api.JsException).init(req.allocator);
defer exception_list.deinit();
server.vm.runErrorHandler(err, &exception_list);
// Render the error fallback HTML page like renderDefaultError does
if (!req.flags.has_written_status) {
req.flags.has_written_status = true;
if (req.resp) |resp| {
resp.writeStatus("500 Internal Server Error");
resp.writeHeader("content-type", MimeType.html.value);
}
}
const allocator = req.allocator;
const fallback_container = allocator.create(Api.FallbackMessageContainer) catch unreachable;
defer allocator.destroy(fallback_container);
// Create error message for the stream rejection
const error_message = "Stream error during server-side rendering";
fallback_container.* = Api.FallbackMessageContainer{
.message = allocator.dupe(u8, error_message) catch unreachable,
.router = null,
.reason = .fetch_event_handler,
.cwd = server.vm.transpiler.fs.top_level_dir,
.problems = Api.Problems{
.code = 500,
.name = "StreamError",
.exceptions = exception_list.items,
.build = .{
.msgs = &.{},
},
},
};
var bb = std.ArrayList(u8).init(allocator);
defer bb.clearAndFree();
const bb_writer = bb.writer();
Fallback.renderBackend(
allocator,
fallback_container,
@TypeOf(bb_writer),
bb_writer,
) catch unreachable;
if (req.resp) |resp| {
_ = resp.write(bb.items);
}
req.endStream(req.shouldCloseConnection());
return;
}
}
}