download-chakracore/cli.js

Download a Node-ChakraCore binary.

#!/usr/bin/env node
'use strict'

const pkg = require('./package.json')

const args = process.argv.slice(2).join(' ')
if (args === '-h' || args === '--help') {
	process.stdout.write(`See ${pkg.homepage} for more details.\n`)
	process.exit()
}
if (args === '-v' || args === '--version') {
	process.stdout.write(`${pkg.name} v${pkg.version}\n`)
	process.exit()
}

const path = require('path')
const {fileExists} = require('./lib/helpers')
const download = require('.')

const showError = (err) => {
	if (process.env.NODE_ENV === 'debug') console.error(err)
	else console.error(err.message || err + '')
	process.exit(1)
}

const log = (msg) => console.log(msg)

const dest = process.argv[2]
if (!dest) showError('You must pass a destination directory.')

fileExists(dest)
.then((exists) => {
	if (exists) return showError('Destination file already exists.')

	const version = process.env.DOWNLOAD_CHAKRACORE_VERSION || null
	const arch = process.env.DOWNLOAD_CHAKRACORE_ARCH || null
	const platform = process.env.DOWNLOAD_CHAKRACORE_PLATFORM || null
	const cache = process.env.DOWNLOAD_CHAKRACORE_CACHE || null
	const githubToken = process.env.GITHUB_TOKEN || null

	return download(dest, {version, arch, platform, cache, githubToken, log})
})
.catch(showError)