forked from movio/bramble
/
schema.go
48 lines (37 loc) · 1.02 KB
/
schema.go
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package bramble
import (
"strings"
"github.com/vektah/gqlparser/v2/ast"
)
var (
IdFieldName = "id"
IdsFieldName = "ids"
)
const (
nodeRootFieldName = "node"
nodesRootFieldName = "nodes"
nodeInterfaceName = "Node"
serviceObjectName = "Service"
serviceRootFieldName = "service"
boundaryDirectiveName = "boundary"
namespaceDirectiveName = "namespace"
queryObjectName = "Query"
mutationObjectName = "Mutation"
subscriptionObjectName = "Subscription"
internalServiceName = "__bramble"
)
func isGraphQLBuiltinName(s string) bool {
return strings.HasPrefix(s, "__")
}
func isIDType(t *ast.Type) bool {
return isNonNullableTypeNamed(t, "ID")
}
func isIDsType(t *ast.Type) bool {
return t.Elem != nil && isNonNullableTypeNamed(t, "ID") && isNonNullableTypeNamed(t.Elem, "ID")
}
func isNonNullableTypeNamed(t *ast.Type, typename string) bool {
return t.Name() == typename && t.NonNull
}
func isNullableTypeNamed(t *ast.Type, typename string) bool {
return t.Name() == typename && !t.NonNull
}