Sha256: 12bc52c4b6069537f5a41a30f55ced3661eb230913cdeada700e2dc0716fdbef
Contents?: true
Size: 1.29 KB
Versions: 26
Compression:
Stored size: 1.29 KB
Contents
import { GraphQLError } from '../../error/GraphQLError.mjs';
/**
* No unused fragments
*
* A GraphQL document is only valid if all fragment definitions are spread
* within operations, or spread within other fragments spread within operations.
*
* See https://spec.graphql.org/draft/#sec-Fragments-Must-Be-Used
*/
export function NoUnusedFragmentsRule(context) {
const operationDefs = [];
const fragmentDefs = [];
return {
OperationDefinition(node) {
operationDefs.push(node);
return false;
},
FragmentDefinition(node) {
fragmentDefs.push(node);
return false;
},
Document: {
leave() {
const fragmentNameUsed = Object.create(null);
for (const operation of operationDefs) {
for (const fragment of context.getRecursivelyReferencedFragments(
operation,
)) {
fragmentNameUsed[fragment.name.value] = true;
}
}
for (const fragmentDef of fragmentDefs) {
const fragName = fragmentDef.name.value;
if (fragmentNameUsed[fragName] !== true) {
context.reportError(
new GraphQLError(`Fragment "${fragName}" is never used.`, {
nodes: fragmentDef,
}),
);
}
}
},
},
};
}
Version data entries
26 entries across 26 versions & 1 rubygems