| import { invariant } from '../jsutils/invariant.mjs'; |
| import { parse } from '../language/parser.mjs'; |
| import { executeSync } from '../execution/execute.mjs'; |
| import { getIntrospectionQuery } from './getIntrospectionQuery.mjs'; |
| /** |
| * 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, |
| oneOf: true, |
| ...options, |
| }; |
| const document = parse(getIntrospectionQuery(optionsWithDefaults)); |
| const result = executeSync({ |
| schema, |
| document, |
| }); |
| (!result.errors && result.data) || invariant(false); |
| return result.data; |
| } |