prismic-update-refs-script.js

/*
* in package.json set the next script:
* "update-refs": "node update-refs.js ENVIRONTMENT_A && node update-refs.js ENVIRONTMENT_B && ... && node update-refs.js ENVIRONTMENT_i && git add ."
*/
const fs = require('fs')
const axios = require('axios')

const saveRef = (envFile, ref) => {
  const envDev = fs.readFileSync(envFile, {
    encoding: 'utf8',
  })
  const replaced = envDev.replace(
    /PRISMIC_API_REF=.*/gm,
    `PRISMIC_API_REF=${ref}`
  )
  fs.writeFileSync(envFile, replaced)
}

const replace = envKey => result => {
  const envFile = `./.env.${envKey}`
  let ref = envKey === 'production' ? result[envKey] : result['staging']

  if (envKey === 'staging') {
    ref = result['production']
  }

  saveRef(envFile, ref)
}

var args = process.argv.slice(2)

const baseUrl = 'https://REPO.cdn.prismic.io/api/v2'
axios
  .get(baseUrl)
  .then(response => response.data)
  .then(data => data.refs)
  .then(refs => ({
    staging: refs[1].ref,
    production: refs[0].ref,
  }))
  .then(result => replace(args[0])(result))
  .catch(error => console.log('TCL: error', error))