@theguild/federation-composition/esm/subgraph/validation/rules/elements/context.js

Open Source Composition library for Apollo Federation

import { GraphQLError } from 'graphql';
export function ContextDirectiveRules(context) {
    if (context.satisfiesVersionRange('>= v2.8')) {
        if (context.federationImports.some(i => i.name === '@context' && i.kind === 'directive')) {
            context.reportError(new GraphQLError('@context directive is not yet supported.', {
                extensions: {
                    code: 'UNSUPPORTED_FEATURE',
                },
            }));
        }
    }
    return {};
}