// @flow
import path from 'path';
import os from 'os';
import mkdirp from 'mkdirp';
import fs from 'fs';

const writeProtoFile = async (src: string): Promise<string> => {
  const root = path.join(os.tmpdir(), 'insomnia-grpc');
  mkdirp.sync(root);
  const p = path.join(root, `${Math.random()}.proto`);
  await fs.promises.writeFile(p, src);
  return p;
};

export default writeProtoFile;