// initialize a package.json file
module.exports = init
var path = require('path')
var log = require('npmlog')
var npa = require('npm-package-arg')
var npm = require('./npm.js')
var npx = require('libnpx')
var initJson = require('init-package-json')
var isRegistry = require('./utils/is-registry.js')
var output = require('./utils/output.js')
var noProgressTillDone = require('./utils/no-progress-while-running').tillDone
var usage = require('./utils/usage')
init.usage = usage(
'init',
'\nnpm init [--force|-f|--yes|-y|--scope]' +
'\nnpm init <@scope> (same as `npx <@scope>/create`)' +
'\nnpm init [<@scope>/]<name> (same as `npx [<@scope>/]create-<name>`)'
)
function init (args, cb) {
if (args.length) {
var NPM_PATH = path.resolve(__dirname, '../bin/npm-cli.js')
var initerName = args[0]
var packageName = initerName
if (/^@[^/]+$/.test(initerName)) {
packageName = initerName + '/create'
} else {
var req = npa(initerName)
if (req.type === 'git' && req.hosted) {
var { user, project } = req.hosted
packageName = initerName
.replace(user + '/' + project, user + '/create-' + project)
} else if (isRegistry(req)) {
packageName = req.name.replace(/^(@[^/]+\/)?/, '$1create-')
if (req.rawSpec) {
packageName += '@' + req.rawSpec
}
} else {
var err = new Error(
'Unrecognized initializer: ' + initerName +
'\nFor more package binary executing power check out `npx`:' +
'\nhttps://www.npmjs.com/package/npx'
)
err.code = 'EUNSUPPORTED'
throw err
}
}
var npxArgs = [process.argv0, '[fake arg]', '--always-spawn', packageName, ...process.argv.slice(4)]
var parsed = npx.parseArgs(npxArgs, NPM_PATH)
return npx(parsed)
.then(() => cb())
.catch(cb)
}
var dir = process.cwd()
log.pause()
var initFile = npm.config.get('init-module')
if (!initJson.yes(npm.config)) {
output([
'This utility will walk you through creating a package.json file.',
'It only covers the most common items, and tries to guess sensible defaults.',
'',
'See `npm help init` for definitive documentation on these fields',
'and exactly what they do.',
'',
'Use `npm install <pkg>` afterwards to install a package and',
'save it as a dependency in the package.json file.',
'',
'Press ^C at any time to quit.'
].join('\n'))
}
initJson(dir, initFile, npm.config, noProgressTillDone(function (er, data) {
log.resume()
log.silly('package data', data)
if (er && er.message === 'canceled') {
log.warn('init', 'canceled')
return cb(null, data)
}
log.info('init', 'written successfully')
cb(er, data)
}))
}
