private bool TryMakeBubblingEvent(ViewManagerExportedBubblingEventTypeConstantAttribute attribute, MemberInfo memberInfo, Type memberType, IJSValueWriter constantWriter, out Delegate memberValue)
{
if (null != attribute && null != memberInfo && TryGetEventDataType(memberType, out Type eventDataType))
{
var eventName = attribute.EventName ?? "top" + memberInfo.Name;
var bubbleName = attribute.BubbleCallbackName ?? "on" + memberInfo.Name;
var captureName = attribute.CaptureCallbackName ?? bubbleName + "Capture";
constantWriter.WritePropertyName(eventName);
constantWriter.WriteObjectBegin();
constantWriter.WritePropertyName("phasedRegistrationNames");
constantWriter.WriteObjectBegin();
constantWriter.WriteObjectProperty("bubbled", bubbleName);
constantWriter.WriteObjectProperty("captured", captureName);
constantWriter.WriteObjectEnd();
constantWriter.WriteObjectEnd();
memberValue = MakeEventDelegate(eventName, memberType, eventDataType);
return(true);
}
memberValue = default(Delegate);
return(false);
}
public static void WriteObject(IJSValueWriter writer, IEnumerable <KeyValuePair <string, JSValue> > value)
{
writer.WriteObjectBegin();
foreach (var keyValue in value)
{
writer.WritePropertyName(keyValue.Key);
keyValue.Value.WriteTo(writer);
}
writer.WriteObjectEnd();
}
public static void WriteError(
IJSValueWriter writer,
string code,
string message,
IReadOnlyDictionary <string, JSValue> userInfo,
string stackTrace)
{
writer.WriteArrayBegin();
{
writer.WriteObjectBegin();
{
writer.WritePropertyName(ReactErrorConstants.Code);
writer.WriteString(code ?? ReactErrorConstants.DefaultCode);
writer.WritePropertyName(ReactErrorConstants.Message);
writer.WriteString(message ?? ReactErrorConstants.DefaultMessage);
// For consistency with iOS ensure userInfo key exists, even if we null it.
// iOS: /React/Base/RCTUtils.m -> RCTJSErrorFromCodeMessageAndNSError
writer.WritePropertyName(ReactErrorConstants.UserInfo);
if (userInfo == null)
{
writer.WriteNull();
}
else
{
writer.WriteValue(userInfo);
}
// Attach a nativeStackWindows string if an exception was passed.
// This matches iOS behavior - iOS adds a `nativeStackIOS` property
// iOS: /React/Base/RCTUtils.m -> RCTJSErrorFromCodeMessageAndNSError
writer.WritePropertyName(ReactErrorConstants.NativeStack);
writer.WriteString(stackTrace ?? string.Empty);
}
writer.WriteObjectEnd();
}
writer.WriteArrayEnd();
}
public static void WriteObjectProperty <T>(this IJSValueWriter writer, string name, T value)
{
writer.WritePropertyName(name);
writer.WriteValue(value);
}
public static bool WriteProperty <T>(this IJSValueWriter writer, string name, T value)
{
return(writer.WritePropertyName(name) && writer.WriteValueObject(value));
}