youtube-dl-exec/scripts/preinstall.mjs

A simple Node.js wrapper for youtube-dl

import binaryVersionCheck from 'binary-version-check'

const throwError = error => {
  throw new Error(
    `youtube-dl-exec needs Python. ${error.message}. You can skip this check passing \`YOUTUBE_DL_SKIP_PYTHON_CHECK=1\``
  )
}

const pReflect = p =>
  Promise.resolve(p)
    .then(() => ({ isError: false }))
    .catch(error => ({ isError: true, error }))

if (process.env.YOUTUBE_DL_SKIP_PYTHON_CHECK !== undefined) process.exit()

let result = await pReflect(binaryVersionCheck('python3', '>=3.9'))
if (!result.isError) process.exit()

result = await pReflect(binaryVersionCheck('python', '>=3.9'))
if (result.isError) throwError(result.error)