@graphql-tools/graphql/esm/utilities/introspectionFromSchema.js

Fork of GraphQL.js

import { invariant } from '../jsutils/invariant.js';
import { parse } from '../language/parser.js';
import { executeSync } from '../execution/execute.js';
import { getIntrospectionQuery } from './getIntrospectionQuery.js';
/**
 * Build an IntrospectionQuery from a GraphQLSchema
 *
 * IntrospectionQuery is useful for utilities that care about type and field
 * relationships, but do not need to traverse through those relationships.
 *
 * This is the inverse of buildClientSchema. The primary use case is outside
 * of the server context, for instance when doing schema comparisons.
 */
export function introspectionFromSchema(schema, options) {
    const optionsWithDefaults = {
        specifiedByUrl: true,
        directiveIsRepeatable: true,
        schemaDescription: true,
        inputValueDeprecation: true,
        ...options,
    };
    const document = parse(getIntrospectionQuery(optionsWithDefaults));
    const result = executeSync({ schema, document });
    invariant(result.errors == null && result.data != null);
    return result.data;
}