1 files changed, 86 insertions, 0 deletions
diff --git a/deps/npm/node_modules/libnpmpublish/unpublish.js b/deps/npm/node_modules/libnpmpublish/unpublish.js
new file mode 100644
index 0000000000..d7d98243c6
--- /dev/null
+++ b/deps/npm/node_modules/libnpmpublish/unpublish.js
@@ -0,0 +1,86 @@
+'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)
+}