public static async Task <Document> RefactorAsync(
Document document,
ConditionalExpressionSyntax conditionalExpression,
CancellationToken cancellationToken)
{
SemanticModel semanticModel = await document.GetSemanticModelAsync(cancellationToken).ConfigureAwait(false);
ExpressionSyntax condition = conditionalExpression.Condition;
ExpressionSyntax newNode = (conditionalExpression.WhenTrue.WalkDownParentheses().IsKind(SyntaxKind.TrueLiteralExpression))
? condition
: LogicalNegationHelper.LogicallyNegate(condition, semanticModel, cancellationToken);
SyntaxTriviaList trailingTrivia = conditionalExpression
.DescendantTrivia(TextSpan.FromBounds(condition.Span.End, conditionalExpression.Span.End))
.ToSyntaxTriviaList()
.EmptyIfWhitespace()
.AddRange(conditionalExpression.GetTrailingTrivia());
newNode = newNode
.WithLeadingTrivia(conditionalExpression.GetLeadingTrivia())
.WithTrailingTrivia(trailingTrivia);
return(await document.ReplaceNodeAsync(conditionalExpression, newNode, cancellationToken).ConfigureAwait(false));
}
private static ExpressionSyntax CreateNewNode(
ConditionalExpressionSyntax conditionalExpression,
ExpressionSyntax newNode)
{
SyntaxTriviaList trailingTrivia = conditionalExpression
.DescendantTrivia(TextSpan.FromBounds(conditionalExpression.Condition.Span.End, conditionalExpression.Span.End))
.ToSyntaxTriviaList()
.EmptyIfWhitespace()
.AddRange(conditionalExpression.GetTrailingTrivia());
return(newNode
.WithLeadingTrivia(conditionalExpression.GetLeadingTrivia())
.WithTrailingTrivia(trailingTrivia)
.WithSimplifierAnnotation());
}
