graphql-stitch-schema.js

const { buildSchema } = require('graphql');
const glob = require('glob-promise');
const { readFile } = require('fs-extra');
const { join } = require('path');

async function stitchSchema(dir) {
  const files = await glob(dir);
  const contents = await Promise.all(files.map(file => readFile(file, 'utf8')));
  return buildSchema(contents.join('\n\n'));
}

module.exports = { stitchSchema };