| import { GraphQLError } from '../../error/GraphQLError.mjs'; |
| |
| /** |
| * Known fragment names |
| * |
| * A GraphQL document is only valid if all `...Fragment` fragment spreads refer |
| * to fragments defined in the same document. |
| * |
| * See https://spec.graphql.org/draft/#sec-Fragment-spread-target-defined |
| */ |
| export function KnownFragmentNamesRule(context) { |
| return { |
| FragmentSpread(node) { |
| const fragmentName = node.name.value; |
| const fragment = context.getFragment(fragmentName); |
| |
| if (!fragment) { |
| context.reportError( |
| new GraphQLError(`Unknown fragment "${fragmentName}".`, { |
| nodes: node.name, |
| }), |
| ); |
| } |
| }, |
| }; |
| } |