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'use strict'
const figgyPudding = require('figgy-pudding')
const npa = require('npm-package-arg')
const npmFetch = require('npm-registry-fetch')
const semver = require('semver')
const url = require('url')
const UnpublishConfig = figgyPudding({
force: { default: false },
Promise: { default: () => Promise }
})
module.exports = unpublish
function unpublish (spec, opts) {
opts = UnpublishConfig(opts)
return new opts.Promise(resolve => resolve()).then(() => {
spec = npa(spec)
// NOTE: spec is used to pick the appropriate registry/auth combo.
opts = opts.concat({ spec })
const pkgUri = spec.escapedName
return npmFetch.json(pkgUri, opts.concat({
query: { write: true }
})).then(pkg => {
if (!spec.rawSpec || spec.rawSpec === '*') {
return npmFetch(`${pkgUri}/-rev/${pkg._rev}`, opts.concat({
method: 'DELETE',
ignoreBody: true
}))
} else {
const version = spec.rawSpec
const allVersions = pkg.versions || {}
const versionPublic = allVersions[version]
let dist
if (versionPublic) {
dist = allVersions[version].dist
}
delete allVersions[version]
// if it was the only version, then delete the whole package.
if (!Object.keys(allVersions).length) {
return npmFetch(`${pkgUri}/-rev/${pkg._rev}`, opts.concat({
method: 'DELETE',
ignoreBody: true
}))
} else if (versionPublic) {
const latestVer = pkg['dist-tags'].latest
Object.keys(pkg['dist-tags']).forEach(tag => {
if (pkg['dist-tags'][tag] === version) {
delete pkg['dist-tags'][tag]
}
})
if (latestVer === version) {
pkg['dist-tags'].latest = Object.keys(
allVersions
).sort(semver.compareLoose).pop()
}
delete pkg._revisions
delete pkg._attachments
// Update packument with removed versions
return npmFetch(`${pkgUri}/-rev/${pkg._rev}`, opts.concat({
method: 'PUT',
body: pkg,
ignoreBody: true
})).then(() => {
// Remove the tarball itself
return npmFetch.json(pkgUri, opts.concat({
query: { write: true }
})).then(({ _rev, _id }) => {
const tarballUrl = url.parse(dist.tarball).pathname.substr(1)
return npmFetch(`${tarballUrl}/-rev/${_rev}`, opts.concat({
method: 'DELETE',
ignoreBody: true
}))
})
})
}
}
}, err => {
if (err.code !== 'E404') {
throw err
}
})
}).then(() => true)
}