local_segment/demo/frontend/schemas/merge-schemas.ts

/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import {loadFilesSync} from '@graphql-tools/load-files';
import {mergeTypeDefs} from '@graphql-tools/merge';
import fs from 'fs';
import {print} from 'graphql';
import path from 'path';
import * as prettier from 'prettier';
import {fileURLToPath} from 'url';

const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);

const loadedFiles = loadFilesSync(`${__dirname}/*.graphql`);
const typeDefs = mergeTypeDefs(loadedFiles);
const printedTypeDefs = print(typeDefs);
const prettyTypeDefs = await prettier.format(printedTypeDefs, {
  parser: 'graphql',
});
fs.writeFileSync('schema.graphql', prettyTypeDefs);