deps: upgrade npm to 4.2.0

PR-URL: https://github.com/nodejs/node/pull/11389
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>

1 files changed, 50 insertions, 0 deletions

diff --git a/deps/npm/lib/search/all-package-search.js b/deps/npm/lib/search/all-package-search.js
new file mode 100644
index 0000000000..7a893d517b
--- /dev/null
+++ b/deps/npm/lib/search/all-package-search.js
@@ -0,0 +1,50 @@
+var ms = require('mississippi')
+var allPackageMetadata = require('./all-package-metadata')
+var packageFilter = require('./package-filter.js')
+
+module.exports = allPackageSearch
+function allPackageSearch (opts) {
+  var searchSection = (opts.unicode ? '🤔 ' : '') + 'search'
+
+  // Get a stream with *all* the packages. This takes care of dealing
+  // with the local cache as well, but that's an internal detail.
+  var allEntriesStream = allPackageMetadata(opts.staleness)
+
+  // Grab a stream that filters those packages according to given params.
+  var filterStream = streamFilter(function (pkg) {
+    opts.log.gauge.pulse('search')
+    opts.log.gauge.show({section: searchSection, logline: 'scanning ' + pkg.name})
+    // Simply 'true' if the package matches search parameters.
+    var match = packageFilter(pkg, opts.include, opts.exclude, {
+      description: opts.description
+    })
+    return match
+  })
+  return ms.pipeline.obj(allEntriesStream, filterStream)
+}
+
+function streamFilter (filter) {
+  return ms.through.obj(function (data, enc, cb) {
+    if (filter(data)) {
+      this.push(standardizePkg(data))
+    }
+    cb()
+  })
+}
+
+function standardizePkg (data) {
+  return {
+    name: data.name,
+    description: data.description,
+    maintainers: (data.maintainers || []).map(function (m) {
+      return { username: m.name, email: m.email }
+    }),
+    keywords: data.keywords || [],
+    version: Object.keys(data.versions || {})[0] || [],
+    date: (
+      data.time &&
+      data.time.modified &&
+      new Date(data.time.modified)
+    ) || null
+  }
+}