private static string GetExceptionString(JavaScriptValue exception)
{
var code = JavaScriptPropertyId.FromString("Code");
if (exception.ValueType == JavaScriptValueType.Error)
{
JavaScriptPropertyId messageName = JavaScriptPropertyId.FromString("message");
JavaScriptValue messageValue = exception.GetProperty(messageName);
string message = messageValue.ToString();
double column = -1, line = -1;
var lineProp = JavaScriptPropertyId.FromString("line");
var colProp = JavaScriptPropertyId.FromString("column");
if (exception.HasProperty(lineProp))
{
line = exception.GetProperty(lineProp).ConvertToNumber().ToDouble();
}
if (exception.HasProperty(colProp))
{
column = exception.GetProperty(lineProp).ConvertToNumber().ToDouble();
}
return(string.Format("{0}, at {1}:{2}", message, (int)line, (int)column));
}
if (exception.ValueType == JavaScriptValueType.Object && exception.HasProperty(code))
{
return(exception.GetProperty(code).ConvertToString().ToString());
}
return(string.Format("{0}", exception.ConvertToString().ToString()));
}
private static bool IsPromise(JavaScriptValue value)
{
var id = JavaScriptPropertyId.FromString("then");
return(value.HasProperty(id) &&
value.GetProperty(id).ValueType == JavaScriptValueType.Function);
}
private static bool IsNotFatalJsException(JavaScriptValue exception)
{
var code = JavaScriptPropertyId.FromString("Code");
return(exception.ValueType == JavaScriptValueType.Object && exception.HasProperty(code) &&
exception.GetProperty(code).ConvertToString().ToString().Equals("ArmLanguageFunction"));
}
private static string GetMessage(JavaScriptValue error)
{
var messageProperty = JavaScriptPropertyId.FromString("message");
var message = error.HasProperty(messageProperty)
? error.GetProperty(messageProperty).ConvertToString().ToString()
: "Promise rejected.";
return(message);
}
public bool CanConvert(JavaScriptValue value)
{
if (!value.HasProperty(JavaScriptPropertyId.FromString("constructor")))
{
return(false);
}
var constructor = value.GetProperty(JavaScriptPropertyId.FromString("constructor"));
if (!constructor.HasProperty(JavaScriptPropertyId.FromString("name")))
{
return(false);
}
var name = constructor.GetProperty(JavaScriptPropertyId.FromString("name"));
return(name.ValueType == JavaScriptValueType.String && name.ToString() == "Promise");
}
public object Visit(JavaScriptValue value)
{
const string className = "className";
if (value.ValueType != JavaScriptValueType.Object || !value.HasProperty(className.ToJavaScriptPropertyId()))
{
return(value.ToNative());
}
var type = value.GetProperty(className.ToJavaScriptPropertyId()).ToNative <string>();
switch (type)
{
case ViewType:
return(VisitView(value));
default: throw new ArgumentOutOfRangeException();
}
}
public static bool Has(this JavaScriptValue v, string name)
{
return(v.HasProperty(JavaScriptPropertyId.FromString(name)));
}
/// <summary>
/// Returns <c>true</c> if the current object has a value using the specific property.
/// </summary>
public bool HasValue(string name)
{
return(_scope.Run(() => _value.HasProperty(JavaScriptPropertyId.FromString(name))));
}