@theguild/federation-composition
Version:
Open Source Composition library for Apollo Federation
34 lines (33 loc) • 1.47 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.KnownTypeNamesRule = KnownTypeNamesRule;
const graphql_1 = require("graphql");
function isTypeDefinitionOrExtensionNode(node) {
return (0, graphql_1.isTypeDefinitionNode)(node) || (0, graphql_1.isTypeExtensionNode)(node);
}
function KnownTypeNamesRule(context) {
const { definitions } = context.getDocument();
const typeNames = new Set(definitions.filter(isTypeDefinitionOrExtensionNode).map(def => def.name.value));
return {
NamedType(node, _1, parent, _2, ancestors) {
const typeName = node.name.value;
if (!typeNames.has(typeName)) {
const definitionNode = ancestors[2] ?? parent;
const isSDL = definitionNode != null && isSDLNode(definitionNode);
if (isSDL && standardTypeNames.has(typeName)) {
return;
}
context.reportError(new graphql_1.GraphQLError(`Unknown type ${typeName}`, {
nodes: node,
extensions: {
code: 'INVALID_GRAPHQL',
},
}));
}
},
};
}
const standardTypeNames = new Set([...graphql_1.specifiedScalarTypes].map(type => type.name));
function isSDLNode(value) {
return 'kind' in value && ((0, graphql_1.isTypeSystemDefinitionNode)(value) || (0, graphql_1.isTypeSystemExtensionNode)(value));
}