Sha256: ce2730899819f985e232888d2060969aa650235d6091d6d315f93ec713983306
Contents?: true
Size: 1.53 KB
Versions: 26
Compression:
Stored size: 1.53 KB
Contents
import { GraphQLError } from '../../error/GraphQLError.mjs';
/**
* Lone Schema definition
*
* A GraphQL document is only valid if it contains only one schema definition.
*/
export function LoneSchemaDefinitionRule(context) {
var _ref, _ref2, _oldSchema$astNode;
const oldSchema = context.getSchema();
const alreadyDefined =
(_ref =
(_ref2 =
(_oldSchema$astNode =
oldSchema === null || oldSchema === void 0
? void 0
: oldSchema.astNode) !== null && _oldSchema$astNode !== void 0
? _oldSchema$astNode
: oldSchema === null || oldSchema === void 0
? void 0
: oldSchema.getQueryType()) !== null && _ref2 !== void 0
? _ref2
: oldSchema === null || oldSchema === void 0
? void 0
: oldSchema.getMutationType()) !== null && _ref !== void 0
? _ref
: oldSchema === null || oldSchema === void 0
? void 0
: oldSchema.getSubscriptionType();
let schemaDefinitionsCount = 0;
return {
SchemaDefinition(node) {
if (alreadyDefined) {
context.reportError(
new GraphQLError(
'Cannot define a new schema within a schema extension.',
{
nodes: node,
},
),
);
return;
}
if (schemaDefinitionsCount > 0) {
context.reportError(
new GraphQLError('Must provide only one schema definition.', {
nodes: node,
}),
);
}
++schemaDefinitionsCount;
},
};
}
Version data entries
26 entries across 26 versions & 1 rubygems