/// <inheritdoc />
protected override EvaluationResult DoEval(Context context, ModuleLiteral env, EvaluationStackFrame frame)
{
var condition = Condition.Eval(context, env, frame);
if (condition.IsErrorValue)
{
return(condition);
}
// TODO:ST: I don't think this condition is correct.
// In this case the result would be 1: const x = 1; const y = if (false) {x++;}else{x++;}
// if statement is a statement, the result always should be void or undefined.
return(Expression.IsTruthy(condition)
? ThenStatement.Eval(context, env, frame)
: ((ElseStatement == null) ? EvaluationResult.Undefined : ElseStatement.Eval(context, env, frame)));
}