graphql-modules/esm/module/type-defs.js

Create reusable, maintainable, testable and extendable GraphQL modules

import { Kind } from 'graphql';
import { NonDocumentNodeError, useLocation } from '../shared/errors';
/**
 * Create a list of DocumentNode objects based on Module's config.
 * Add a location, so we get richer errors.
 */
export function createTypeDefs(config) {
    const typeDefs = Array.isArray(config.typeDefs)
        ? config.typeDefs
        : [config.typeDefs];
    ensureDocumentNode(config, typeDefs);
    return typeDefs;
}
function ensureDocumentNode(config, typeDefs) {
    function ensureEach(doc, i) {
        if ((doc === null || doc === void 0 ? void 0 : doc.kind) !== Kind.DOCUMENT) {
            throw new NonDocumentNodeError(`Expected parsed document but received ${typeof doc} at index ${i} in typeDefs list`, useLocation(config));
        }
    }
    typeDefs.forEach(ensureEach);
}