public void Optimize(SelectionSetOptimizerContext context)
{
if (context.FieldContext.TryPeek(out IObjectField field) &&
field.Name.Equals("bar"))
{
IObjectField baz = context.TypeContext.Fields["baz"];
FieldNode bazSelection = Utf8GraphQLParser.Syntax.ParseField("baz { text }");
FieldDelegate bazPipeline = context.CompileResolverPipeline(baz, bazSelection);
var compiledSelection = new PreparedSelection(
context.TypeContext,
baz,
bazSelection,
bazPipeline,
internalSelection: true);
context.Fields[compiledSelection.ResponseName] = compiledSelection;
}
}
private void ResolveFieldSelection(
ObjectType typeContext,
FieldNode selection,
SelectionIncludeCondition?includeCondition,
IDictionary <ISelectionNode, SelectionIncludeCondition> includeConditionLookup,
IDictionary <string, PreparedSelection> fields,
bool internalSelection)
{
NameString fieldName = selection.Name.Value;
NameString responseName = selection.Alias is null
? selection.Name.Value
: selection.Alias.Value;
if (typeContext.Fields.TryGetField(fieldName, out ObjectField? field))
{
if (fields.TryGetValue(responseName, out PreparedSelection? preparedSelection))
{
preparedSelection.AddSelection(selection, includeCondition);
}
else
{
// if this is the first time we find a selection to this field we have to
// create a new prepared selection.
preparedSelection = new PreparedSelection(
typeContext,
field,
selection,
responseName: responseName,
resolverPipeline: CreateFieldMiddleware(field, selection),
arguments: CoerceArgumentValues(field, selection, responseName),
includeCondition: includeCondition,
internalSelection: internalSelection);
fields.Add(responseName, preparedSelection);
}
if (includeCondition is { } && selection.SelectionSet is { })
