public object ConstValue(IConstEvalCtx ctx, JsModule module, object export)
{
if (JustModuleExports)
{
return(null);
}
if (!(export is string))
{
return(null);
}
var(fileName, content) = _resolver.ResolveAndLoad(module);
if (fileName == null || content == null)
{
return(null);
}
try
{
var ctx2 = ctx.CreateForSourceName(fileName);
var treeWalker = new ExportFinder((string)export, ctx2);
treeWalker.Walk(content);
if (treeWalker.Result == null)
{
return(null);
}
var result = treeWalker.Result.ConstValue(ctx2);
if (result == null)
{
return(null);
}
if (treeWalker.CompleteResult)
{
if (result is IReadOnlyDictionary <object, object> dict)
{
if (dict.TryGetValue((string)export, out result))
{
return(result);
}
return(AstUndefined.Instance);
}
return(null);
}
return(result);
}
catch
{
return(null);
}
}
virtual public IConstEvalCtx CreateForSourceName(string sourceName)
{
return(new BobrilSpecialEval(_ctx.CreateForSourceName(sourceName)));
}