@theguild/federation-composition
Version:
Open Source Composition library for Apollo Federation
59 lines (58 loc) • 2.74 kB
JavaScript
import { Kind } from 'graphql';
import { validateDirectiveAgainstOriginal } from '../../../helpers.js';
export function AuthenticatedRule(context) {
return {
DirectiveDefinition(node) {
validateDirectiveAgainstOriginal(node, 'authenticated', context);
},
Directive(node, _key, _parent, paths, ancestors) {
if (!context.isAvailableFederationDirective('authenticated', node)) {
return;
}
context.stateBuilder.markSpecAsUsed('authenticated');
const directivesKeyAt = paths.findIndex(path => path === 'directives');
if (directivesKeyAt === -1) {
throw new Error('Could not find "directives" key in ancestors');
}
const parent = ancestors[directivesKeyAt];
if (!parent) {
throw new Error('Could not find the node annotated with @authenticated');
}
if (Array.isArray(parent)) {
throw new Error('Expected parent to be a single node');
}
if (!('kind' in parent)) {
throw new Error('Expected parent to be a node');
}
switch (parent.kind) {
case Kind.FIELD_DEFINITION: {
const typeDef = context.typeNodeInfo.getTypeDef();
if (!typeDef) {
throw new Error('Could not find the parent type of the field annotated with @authenticated');
}
if (typeDef.kind === Kind.OBJECT_TYPE_DEFINITION ||
typeDef.kind === Kind.OBJECT_TYPE_EXTENSION) {
context.stateBuilder.objectType.field.setAuthenticated(typeDef.name.value, parent.name.value);
}
break;
}
case Kind.OBJECT_TYPE_DEFINITION:
case Kind.OBJECT_TYPE_EXTENSION:
context.stateBuilder.objectType.setAuthenticated(parent.name.value);
break;
case Kind.INTERFACE_TYPE_DEFINITION:
case Kind.INTERFACE_TYPE_DEFINITION:
context.stateBuilder.interfaceType.setAuthenticated(parent.name.value);
break;
case Kind.SCALAR_TYPE_DEFINITION:
case Kind.SCALAR_TYPE_EXTENSION:
context.stateBuilder.scalarType.setAuthenticated(parent.name.value);
break;
case Kind.ENUM_TYPE_DEFINITION:
case Kind.ENUM_TYPE_EXTENSION:
context.stateBuilder.enumType.setAuthenticated(parent.name.value);
break;
}
},
};
}