KATT

import { cleanEnv, str, num, url } from 'envalid'

const env = cleanEnv(process.env, {
  GRAPHQL_URL: url({
    devDefault: 'http://localhost:4000/graphql',
  }),
  PORT: num({
    devDefault: 3000,
  }),
  A: str(),

KATT

function getFrontMatter(file) {
  return new Promise((resolve, reject) => {
    readFile(join(__dirname, '../pages', file), (error, content) => {
      if (error) return reject(error);
      let doc = fm(content.toString())
      resolve(doc);
    });
  })
}