createReleases.js

const request = require('request-promise')
const fs = require('fs-extra')

const config = require('./config')
const api = `${config.target.baseUrl}/${config.target.org}/${config.target.repo}`

const headers = {
  'Accept': 'application/vnd.github.v3+json',
  'User-Agent': 'node.js'
}
if (config.target.token) {
  headers['Authorization'] = `token ${config.target.token}`
}

const createRelease = async (release) => {
  console.log(`Creating Release: ${release.tag_name}`)
  await request({
    method: 'POST',
    headers,
    url: `${api}/releases`,
    body: {
      tag_name: release.tag_name,
      target_commitish: release.target_commitish,
      name: release.name,
      body: release.body,
      draft: release.draft,
      prerelease: release.prerelease,
    },
    json: true,
  }).catch(err => {
    console.log(`Unable to create release: ${release.tag_name}`)
    console.log(err.message)
  })
}

/**
 * Takes milliseconds of elapsed time and creates a string like '05m 10s'
 * @param duration milliseconds
 */
const formatDuration = (duration) => {
  const seconds = duration / 1000
  return new Date((seconds % 86400) * 1000)
    .toUTCString()
    .replace(/.*(\d{2}):(\d{2}):(\d{2}).*/, '$1h $2m $3s')
    .replace('00h ', '')
    .replace('00m ', '')
    .replace('00s', '')
    .trim()
}

const main = async () => {
  const releases = JSON.parse(await fs.readFile(`${config.source.repo}/releases.json`))
  console.log(`Releases to create: ${releases.length}`)

  for (let release of releases) {
    await createRelease(release, releases)
  }
}

main().catch(console.error)