protected override IEnumerable <SyntaxNode> ExtractNodesSimple(SyntaxNode?node, ISyntaxFacts syntaxFacts)
{
if (node == null)
{
yield break;
}
foreach (var extractedNode in base.ExtractNodesSimple(node, syntaxFacts))
{
yield return(extractedNode);
}
// `var a = b;`
// -> `var a = b`;
if (node is LocalDeclarationStatementSyntax localDeclaration)
{
yield return(localDeclaration.Declaration);
}
// var `a = b`;
if (node is VariableDeclaratorSyntax declarator)
{
var declaration = declarator.Parent;
if (declaration?.Parent is LocalDeclarationStatementSyntax localDeclarationStatement)
{
var variables = syntaxFacts.GetVariablesOfLocalDeclarationStatement(localDeclarationStatement);
if (variables.Count == 1)
{
// -> `var a = b`;
yield return(declaration);
// -> `var a = b;`
yield return(localDeclarationStatement);
}
}
}
}
