index.js

const core = require('@actions/core')
const { GitHubRelease } = require('release-please/build/src/github-release')
const { ReleasePRFactory } = require('release-please/build/src/release-pr-factory')

const RELEASE_LABEL = 'autorelease: pending'

async function main () {
  const bumpMinorPreMajor = Boolean(core.getInput('bump-minor-pre-major'))
  const monorepoTags = Boolean(core.getInput('monorepo-tags'))
  const packageName = core.getInput('package-name')
  const path = core.getInput('path') ? core.getInput('path') : undefined
  const releaseType = core.getInput('release-type')
  const token = core.getInput('token')

  // First we check for any merged release PRs (PRs merged with the label
  // "autorelease: pending"):
  const gr = new GitHubRelease({
    label: RELEASE_LABEL,
    repoUrl: process.env.GITHUB_REPOSITORY,
    packageName,
    path,
    token
  })
  const releaseCreated = await gr.createRelease()
  if (releaseCreated) {
    // eslint-disable-next-line
    const { upload_url, tag_name } = releaseCreated
    core.setOutput('release_created', true)
    core.setOutput('upload_url', upload_url)
    core.setOutput('tag_name', tag_name)
  }

  // Next we check for PRs merged since the last release, and groom the
  // release PR:
  const release = ReleasePRFactory.buildStatic(releaseType, {
    monorepoTags,
    packageName,
    path,
    apiUrl: 'https://api.github.com',
    repoUrl: process.env.GITHUB_REPOSITORY,
    token: token,
    label: RELEASE_LABEL,
    bumpMinorPreMajor
  })
  await release.run()
}

main().catch(err => {
  core.setFailed(`release-please failed: ${err.message}`)
})