28 lines
1019 B
JavaScript
28 lines
1019 B
JavaScript
/**
|
|
* Copyright (c) 2015-present, Facebook, Inc.
|
|
*
|
|
* This source code is licensed under the MIT license found in the
|
|
* LICENSE file in the root directory of this source tree.
|
|
*
|
|
* strict
|
|
*/
|
|
import invariant from '../jsutils/invariant';
|
|
import { getIntrospectionQuery } from './introspectionQuery';
|
|
import { execute } from '../execution/execute';
|
|
import { parse } from '../language/parser';
|
|
|
|
/**
|
|
* 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) {
|
|
var queryAST = parse(getIntrospectionQuery(options));
|
|
var result = execute(schema, queryAST);
|
|
!(!result.then && !result.errors && result.data) ? invariant(0) : void 0;
|
|
return result.data;
|
|
} |