1 files changed, 75 insertions, 0 deletions
diff --git a/deps/npm/node_modules/pacote/node_modules/npm-pick-manifest/index.js b/deps/npm/node_modules/pacote/node_modules/npm-pick-manifest/index.js
new file mode 100644
index 0000000000..87d9a95b2b
--- /dev/null
+++ b/deps/npm/node_modules/pacote/node_modules/npm-pick-manifest/index.js
@@ -0,0 +1,75 @@
+'use strict'
+
+const npa = require('npm-package-arg')
+const semver = require('semver')
+
+module.exports = pickManifest
+function pickManifest (packument, wanted, opts) {
+  opts = opts || {}
+  const spec = npa.resolve(packument.name, wanted)
+  const type = spec.type
+  if (type === 'version' || type === 'range') {
+    wanted = semver.clean(wanted) || wanted
+  }
+  const distTags = packument['dist-tags'] || {}
+  const versions = Object.keys(packument.versions || {}).filter(v => semver.valid(v))
+  let err
+
+  if (!versions.length) {
+    err = new Error(`No valid versions available for ${packument.name}`)
+    err.code = 'ENOVERSIONS'
+    err.name = packument.name
+    err.type = type
+    err.wanted = wanted
+    throw err
+  }
+
+  let target
+
+  if (type === 'tag') {
+    target = distTags[wanted]
+  } else if (type === 'version') {
+    target = wanted
+  } else if (type !== 'range') {
+    throw new Error('Only tag, version, and range are supported')
+  }
+
+  const tagVersion = distTags[opts.defaultTag || 'latest']
+
+  if (
+    !target &&
+    tagVersion &&
+    packument.versions[tagVersion] &&
+    semver.satisfies(tagVersion, wanted, true)
+  ) {
+    target = tagVersion
+  }
+
+  if (!target) {
+    target = semver.maxSatisfying(versions, wanted, true)
+  }
+
+  if (!target && wanted === '*') {
+    // This specific corner is meant for the case where
+    // someone is using `*` as a selector, but all versions
+    // are pre-releases, which don't match ranges at all.
+    target = tagVersion
+  }
+
+  const manifest = target && packument.versions[target]
+  if (!manifest) {
+    err = new Error(
+      `No matching version found for ${packument.name}@${wanted}`
+    )
+    err.code = 'ETARGET'
+    err.name = packument.name
+    err.type = type
+    err.wanted = wanted
+    err.versions = versions
+    err.distTags = distTags
+    err.defaultTag = opts.defaultTag
+    throw err
+  } else {
+    return manifest
+  }
+}