bufferapp/ui

const path = require('path')
const fse = require('fs-extra')

const files = ['README.md', 'LICENSE', 'types']

function resolveBuildPath(file) {
  return path.resolve(__dirname, '../dist/', path.basename(file))
}

function copyFile(file) {
  const libPath = resolveBuildPath(file)
  return new Promise((resolve) => {
    fse.copy(file, libPath, (err) => {
      if (err) throw err
      resolve()
    })
  }).then(() => console.info(`Copied ${file} to ${libPath}`))
}

function createPackageFile() {
  return new Promise((resolve) => {
    // read from package.json
    fse.readFile(
      path.resolve(__dirname, '../package.json'),
      'utf8',
      (err, data) => {
        if (err) {
          throw err
        }

        resolve(data)
      },
    )
  })
    .then((data) => JSON.parse(data))
    .then((packageData) => {
      // store these properties in variables
      const {
        author,
        version,
        description,
        keywords,
        repository,
        license,
        bugs,
        homepage,
        peerDependencies,
        dependencies,
        publishConfig,
        types,
      } = packageData

      const minimalPackage = {
        name: '@bufferapp/ui',
        author,
        version,
        description,
        main: './index.js',
        types,
        keywords,
        repository,
        license,
        bugs,
        homepage,
        peerDependencies,
        dependencies,
        publishConfig,
      }

      return new Promise((resolve) => {
        const libPath = path.resolve(__dirname, '../dist/package.json')
        const data = JSON.stringify(minimalPackage, null, 2)
        // Write to a new package.json file
        fse.writeFile(libPath, data, (err) => {
          if (err) throw err
          console.info(`Create package.json in ${libPath}`)
          resolve()
        })
      })
    })
}

Promise.all(files.map((file) => copyFile(file))).then(() => createPackageFile())