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// This is separate to indicate that it should contain code we expect to work in
// all versions of node >= 6. This is a best effort to catch syntax errors to
// give users a good error message if they are using a node version that doesn't
// allow syntax we are using such as private properties, etc. This file is
// linted with ecmaVersion=6 so we don't use invalid syntax, which is set in the
// .eslintrc.local.json file
const { engines: { node: engines }, version } = require('../../package.json')
const npm = `v${version}`
module.exports = (process, getCli) => {
const node = process.version
/* eslint-disable-next-line max-len */
const unsupportedMessage = `npm ${npm} does not support Node.js ${node}. This version of npm supports the following node versions: \`${engines}\`. You can find the latest version at https://nodejs.org/.`
/* eslint-disable-next-line max-len */
const brokenMessage = `ERROR: npm ${npm} is known not to run on Node.js ${node}. This version of npm supports the following node versions: \`${engines}\`. You can find the latest version at https://nodejs.org/.`
// coverage ignored because this is only hit in very unsupported node versions
// and it's a best effort attempt to show something nice in those cases
/* istanbul ignore next */
const syntaxErrorHandler = (err) => {
if (err instanceof SyntaxError) {
// eslint-disable-next-line no-console
console.error(`${brokenMessage}\n\nERROR:`)
// eslint-disable-next-line no-console
console.error(err)
return process.exit(1)
}
throw err
}
process.on('uncaughtException', syntaxErrorHandler)
process.on('unhandledRejection', syntaxErrorHandler)
// require this only after setting up the error handlers
const cli = getCli()
return cli(process, {
node,
npm,
engines,
unsupportedMessage,
off: () => {
process.off('uncaughtException', syntaxErrorHandler)
process.off('unhandledRejection', syntaxErrorHandler)
},
})
}