@lightningjs/sdk/scripts/postinstall.js

The Lightning-SDK helps you build great Lightning-based TV apps!

/*
 * If not stated otherwise in this file or this component's LICENSE file the
 * following copyright and licenses apply:
 *
 * Copyright 2020 Metrological
 *
 * Licensed under the Apache License, Version 2.0 (the License);
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

const shell = require('shelljs')
const path = require('path')
const process = require('process')

const nodeModulesFolder = path.join(
  process.cwd(),
  process.cwd().indexOf('node_modules') > -1 ? '../..' : 'node_modules'
)

// create support lib
const supportFolder = path.join(process.cwd(), '/support')
!shell.test('-d', supportFolder) && shell.mkdir(supportFolder)

// create support/lib and copy all required libraries from node_modules
const supportLibFolder = path.join(supportFolder, '/lib')
!shell.test('-d', supportLibFolder) && shell.mkdir(supportLibFolder)

shell.cp('-R', path.join(nodeModulesFolder, '@lightningjs/core/devtools/*'), supportLibFolder)
shell.cp('-R', path.join(nodeModulesFolder, '@lightningjs/core/dist/*'), supportLibFolder)

// create support/polyfills and copy all required polyfills from node_modules
const supportPolyfillsFolder = path.join(supportFolder, '/polyfills')
!shell.test('-d', supportPolyfillsFolder) && shell.mkdir(supportPolyfillsFolder)

shell.cp(
  '-R',
  path.join(nodeModulesFolder, '/url-polyfill/url-polyfill.js'),
  path.join(supportPolyfillsFolder, '/url.js')
)
shell.cp(
  '-R',
  path.join(nodeModulesFolder + '/@babel/polyfill/dist/polyfill.js'),
  path.join(supportPolyfillsFolder, '/babel-polyfill.js')
)
shell.cp(
  '-R',
  path.join(nodeModulesFolder + '/whatwg-fetch/dist/fetch.umd.js'),
  path.join(supportPolyfillsFolder, '/fetch.js')
)

console.log('\x1b[32m')
console.log('=============================================================================\n')
console.log(
  'The package name of the Lightning SDK has recently changed from "wpe-lightning-sdk"\nto "@lightningjs/sdk"'
)
console.log('Read more about it here: http://www.lightningjs.io/announcements/carbon-release')
console.log('\n\nFrom now on you should import plugins from the Lightning SDK like this:')
console.log("\n\nimport { Utils } from '@lightningjs/sdk'\n")
console.log('=============================================================================')

// check if there is a mismatch in the installation of the SDK
if (
  process.env.npm_package_name.includes('@lightningjs/sdk') && // installing @lightningjs/sdk packagename
  process.cwd().includes('wpe-lightning-sdk') // in wpe-lightning-sdk folder
) {
  console.log('\x1b[31m')
  console.log('=============================================================================\n')
  console.log(
    'It seems like you are installing the new version of the Lightning SDK under the old\npackage namespace.'
  )
  console.log(
    'This may possibly result in unexpected errors in the rest of the postinstall script.\n\n'
  )
  console.log(
    'Unless this is intentional, we recommend that you manually run the following commands'
  )
  console.log('in the root of your project to properly install the latest Lightning-SDK:\n')
  console.log('npm uninstall wpe-lightning-sdk')
  console.log('npm install @lightningjs/sdk\n')
  console.log('=============================================================================')
}

console.log('\x1b[0m')