public static Task <bool> GetJsExpressionAndEvaluateToBoolAsync(this StringSegment expr, TemplateScopeContext scope, Action ifNone = null)
{
if (expr.IsNullOrEmpty())
{
ifNone?.Invoke();
return(TypeConstants.FalseTask);
}
var token = expr.GetCachedJsExpression(scope);
if (token == null)
{
ifNone?.Invoke();
return(TypeConstants.FalseTask);
}
return(token.EvaluateToBoolAsync(scope));
}
public static bool GetJsExpressionAndEvaluateToBool(this StringSegment expr, TemplateScopeContext scope, Action ifNone = null)
{
if (expr.IsNullOrEmpty())
{
ifNone?.Invoke();
return(false);
}
var token = expr.GetCachedJsExpression(scope);
if (token == null)
{
ifNone?.Invoke();
return(false);
}
var result = token.EvaluateToBool(scope);
return(result);
}