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chore: pack with libnpmpack
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@claudiahdz
claudiahdz committed Mar 30, 2020
1 parent 2cec6a6 commit bc12db1
Showing 1 changed file with 37 additions and 243 deletions.
280 changes: 37 additions & 243 deletions lib/pack.js
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Original file line number Diff line number Diff line change
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'use strict'

// npm pack <pkg>
// Packs the specified package into a .tgz file, which can then
// be installed.

// Set this early to avoid issues with circular dependencies.
module.exports = pack

const BB = require('bluebird')

const cacache = require('cacache')
const cp = require('child_process')
const deprCheck = require('./utils/depr-check')
const fpm = require('./fetch-package-metadata')
const fs = require('graceful-fs')
const install = require('./install')
const lifecycle = BB.promisify(require('./utils/lifecycle'))
const { getTarContents, logTarContents } = ('/.utils/tar-contents')
const util = require('util')
const log = require('npmlog')
const move = require('move-concurrently')
const npm = require('./npm')
const npmConfig = require('./config/figgy-config.js')
const output = require('./utils/output')
const pacote = require('pacote')
const path = require('path')
const PassThrough = require('stream').PassThrough
const pathIsInside = require('path-is-inside')
const pipe = BB.promisify(require('mississippi').pipe)
const prepublishWarning = require('./utils/warn-deprecated')('prepublish-on-install')
const pinflight = require('promise-inflight')
const readJson = BB.promisify(require('read-package-json'))
const tar = require('tar')
const packlist = require('npm-packlist')
const libpack = require('libnpmpack')
const npa = require('npm-package-arg')

const npm = require('./npm.js')
const output = require('./utils/output.js')
const { getContents, logTar } = require('./utils/tar.js')

pack.usage = 'npm pack [[<@scope>/]<pkg>...] [--dry-run]'
const writeFile = util.promisify(require('fs').writeFile)

// if it can be installed, it can be packed.
pack.completion = install.completion
cmd.usage = 'npm pack [[<@scope>/]<pkg>...] [--dry-run]'

function pack (args, silent, cb) {
const cwd = process.cwd()
module.exports = cmd
function cmd(args, silent, cb) {
if (typeof cb !== 'function') {
cb = silent
silent = false
}
pack(args, silent)
.then(() => cb())
.catch(cb)
}

async function pack (args, silent) {
if (args.length === 0) args = ['.']

BB.all(
args.map((arg) => pack_(arg, cwd))
).then((tarballs) => {
if (!silent && npm.config.get('json')) {
output(JSON.stringify(tarballs, null, 2))
} else if (!silent) {
tarballs.forEach(logTarContents)
output(tarballs.map((f) => path.relative(cwd, f.filename)).join('\n'))
}
return tarballs
}).nodeify(cb)
}

function pack_ (pkg, dir) {
return BB.fromNode((cb) => fpm(pkg, dir, cb)).then((mani) => {
let name = mani.name[0] === '@'
// scoped packages get special treatment
? mani.name.substr(1).replace(/\//g, '-')
: mani.name
const target = `${name}-${mani.version}.tgz`
return pinflight(target, () => {
const dryRun = npm.config.get('dry-run')
if (mani._requested.type === 'directory') {
return prepareDirectory(mani._resolved)
.then(() => {
return packDirectory(mani, mani._resolved, target, target, true, dryRun)
})
} else if (dryRun) {
log.verbose('pack', '--dry-run mode enabled. Skipping write.')
return cacache.tmp.withTmp(npm.tmp, {tmpPrefix: 'packing'}, (tmp) => {
const tmpTarget = path.join(tmp, path.basename(target))
return packFromPackage(pkg, tmpTarget, target)
})
} else {
return packFromPackage(pkg, target, target)
}
const opts = { ...npm.flatOptions }
const { unicode, json } = opts
const tarballs = await Promise.all(args.map((arg) => pack_(arg, opts)))
if (!silent && json) {
output(JSON.stringify(tarballs, null, 2))
} else if (!silent) {
tarballs.forEach((tar) => {
logTar(tar, { log, unicode })
})
})
}

function packFromPackage (arg, target, filename) {
const opts = npmConfig()
return pacote.tarball.toFile(arg, target, opts)
.then(() => cacache.tmp.withTmp(npm.tmp, {tmpPrefix: 'unpacking'}, (tmp) => {
const tmpTarget = path.join(tmp, filename)
return pacote.extract(arg, tmpTarget, opts)
.then(() => readJson(path.join(tmpTarget, 'package.json')))
}))
.then((pkg) => getTarContents(pkg, target, filename))
}
}

module.exports.prepareDirectory = prepareDirectory
function prepareDirectory (dir) {
return readJson(path.join(dir, 'package.json')).then((pkg) => {
if (!pkg.name) {
throw new Error('package.json requires a "name" field')
}
if (!pkg.version) {
throw new Error('package.json requires a valid "version" field')
}
if (!pathIsInside(dir, npm.tmp)) {
if (pkg.scripts && pkg.scripts.prepublish) {
prepublishWarning([
'As of npm@5, `prepublish` scripts are deprecated.',
'Use `prepare` for build steps and `prepublishOnly` for upload-only.',
'See the deprecation note in `npm help scripts` for more information.'
])
}
if (npm.config.get('ignore-prepublish')) {
return lifecycle(pkg, 'prepare', dir).then(() => pkg)
} else {
return lifecycle(pkg, 'prepublish', dir).then(() => {
return lifecycle(pkg, 'prepare', dir)
}).then(() => pkg)
}
}
return pkg
})
return tarballs
}

module.exports.packDirectory = packDirectory
function packDirectory (mani, dir, target, filename, logIt, dryRun) {
deprCheck(mani)
return readJson(path.join(dir, 'package.json')).then((pkg) => {
return lifecycle(pkg, 'prepack', dir)
}).then(() => {
return readJson(path.join(dir, 'package.json'))
}).then((pkg) => {
return cacache.tmp.withTmp(npm.tmp, {tmpPrefix: 'packing'}, (tmp) => {
const tmpTarget = path.join(tmp, path.basename(target))

const tarOpt = {
file: tmpTarget,
cwd: dir,
prefix: 'package/',
portable: true,
// Provide a specific date in the 1980s for the benefit of zip,
// which is confounded by files dated at the Unix epoch 0.
mtime: new Date('1985-10-26T08:15:00.000Z'),
gzip: true
}
async function pack_ (arg, opts) {
const spec = npa(arg)
const manifest = await pacote.manifest(spec)
const filename = `${manifest.name}-${manifest.version}.tgz`
const tarballData = await libpack(arg)
const pkgContents = await getContents(manifest, tarballData)
const { dryRun } = opts

return BB.resolve(packlist({ path: dir }))
// NOTE: node-tar does some Magic Stuff depending on prefixes for files
// specifically with @ signs, so we just neutralize that one
// and any such future "features" by prepending `./`
.then((files) => tar.create(tarOpt, files.map((f) => `./${f}`)))
.then(() => getTarContents(pkg, tmpTarget, filename, logIt))
// thread the content info through
.tap(() => {
if (dryRun) {
log.verbose('pack', '--dry-run mode enabled. Skipping write.')
} else {
return move(tmpTarget, target, {Promise: BB, fs})
}
})
.tap(() => lifecycle(pkg, 'postpack', dir))
})
})
}
if (!dryRun) {
await writeFile(filename, tarballData)
}

const PASSTHROUGH_OPTS = [
'always-auth',
'auth-type',
'ca',
'cafile',
'cert',
'git',
'local-address',
'maxsockets',
'offline',
'prefer-offline',
'prefer-online',
'proxy',
'https-proxy',
'registry',
'send-metrics',
'sso-poll-frequency',
'sso-type',
'strict-ssl'
]

module.exports.packGitDep = packGitDep
function packGitDep (manifest, dir) {
const stream = new PassThrough()
readJson(path.join(dir, 'package.json')).then((pkg) => {
if (pkg.scripts && pkg.scripts.prepare) {
log.verbose('prepareGitDep', `${manifest._spec}: installing devDeps and running prepare script.`)
const cliArgs = PASSTHROUGH_OPTS.reduce((acc, opt) => {
if (npm.config.get(opt, 'cli') != null) {
acc.push(`--${opt}=${npm.config.get(opt)}`)
}
return acc
}, [])
const child = cp.spawn(process.env.NODE || process.execPath, [
require.resolve('../bin/npm-cli.js'),
'install',
'--dev',
'--prod',
'--ignore-prepublish',
'--no-progress',
'--no-save'
].concat(cliArgs), {
cwd: dir,
env: process.env
})
let errData = []
let errDataLen = 0
let outData = []
let outDataLen = 0
child.stdout.on('data', (data) => {
outData.push(data)
outDataLen += data.length
log.gauge.pulse('preparing git package')
})
child.stderr.on('data', (data) => {
errData.push(data)
errDataLen += data.length
log.gauge.pulse('preparing git package')
})
return BB.fromNode((cb) => {
child.on('error', cb)
child.on('exit', (code, signal) => {
if (code > 0) {
const err = new Error(`${signal}: npm exited with code ${code} while attempting to build ${manifest._requested}. Clone the repository manually and run 'npm install' in it for more information.`)
err.code = code
err.signal = signal
cb(err)
} else {
cb()
}
})
}).then(() => {
if (outDataLen > 0) log.silly('prepareGitDep', '1>', Buffer.concat(outData, outDataLen).toString())
if (errDataLen > 0) log.silly('prepareGitDep', '2>', Buffer.concat(errData, errDataLen).toString())
}, (err) => {
if (outDataLen > 0) log.error('prepareGitDep', '1>', Buffer.concat(outData, outDataLen).toString())
if (errDataLen > 0) log.error('prepareGitDep', '2>', Buffer.concat(errData, errDataLen).toString())
throw err
})
}
}).then(() => {
return readJson(path.join(dir, 'package.json'))
}).then((pkg) => {
return cacache.tmp.withTmp(npm.tmp, {
tmpPrefix: 'pacote-packing'
}, (tmp) => {
const tmpTar = path.join(tmp, 'package.tgz')
return packDirectory(manifest, dir, tmpTar).then(() => {
return pipe(fs.createReadStream(tmpTar), stream)
})
})
}).catch((err) => stream.emit('error', err))
return stream
return pkgContents
}

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