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