cache: Make "*" match "latest" if all versions are prerelease

Fixes: #8855
PR-URL: #8857

lib/cache/add-named.js

@@ -250,7 +250,11 @@ function addNameRange (name, range, data, cb) {
     var versions = Object.keys(data.versions || {})
     var ms = semver.maxSatisfying(versions, range, true)
     if (!ms) {
-      return cb(installTargetsError(range, data))
+      if (range === "*" && versions.length) {
+        return addNameTag(name, "latest", data, cb)
+      } else {
+        return cb(installTargetsError(range, data))
+      }
     }
 
     // if we don't have a registry connection, try to see if

test/tap/splat-with-only-prerelease-to-latest.js

@@ -0,0 +1,81 @@
+'use strict'
+var test = require('tap').test
+var npm = require('../../lib/npm')
+var log = require('npmlog')
+var stream = require('readable-stream')
+
+var moduleName = 'xyzzy-wibble'
+var testModule = {
+  name: moduleName,
+  'dist-tags': {
+    latest: '1.3.0-a'
+  },
+  versions: {
+    '1.0.0-a': {
+      name: moduleName,
+      version: '1.0.0-a',
+      dist: {
+        shasum: 'da39a3ee5e6b4b0d3255bfef95601890afd80709',
+        tarball: 'http://registry.npmjs.org/aproba/-/xyzzy-wibble-1.0.0-a.tgz'
+      }
+    },
+    '1.1.0-a': {
+      name: moduleName,
+      version: '1.1.0-a',
+      dist: {
+        shasum: 'da39a3ee5e6b4b0d3255bfef95601890afd80709',
+        tarball: 'http://registry.npmjs.org/aproba/-/xyzzy-wibble-1.1.0-a.tgz'
+      }
+    },
+    '1.2.0-a': {
+      name: moduleName,
+      version: '1.2.0-a',
+      dist: {
+        shasum: 'da39a3ee5e6b4b0d3255bfef95601890afd80709',
+        tarball: 'http://registry.npmjs.org/aproba/-/xyzzy-wibble-1.2.0-a.tgz'
+      }
+    },
+    '1.3.0-a': {
+      name: moduleName,
+      version: '1.3.0-a',
+      dist: {
+        shasum: 'da39a3ee5e6b4b0d3255bfef95601890afd80709',
+        tarball: 'http://registry.npmjs.org/aproba/-/xyzzy-wibble-1.3.0-a.tgz'
+      }
+    },
+  },
+}
+
+var lastFetched
+test('setup', function (t) {
+  npm.load(function(){
+    npm.config.set('loglevel', 'silly')
+    npm.registry = {
+      get: function (uri, opts, cb) {
+        setImmediate(function () {
+          cb(null, testModule, null, {statusCode: 200})
+        })
+      },
+      fetch: function (u, opts, cb) {
+        lastFetched = u
+        setImmediate(function () {
+          var empty = new stream.Readable()
+          empty.push(null)
+          cb(null, empty)
+        })
+      }
+    }
+    t.end()
+  })
+})
+
+
+test('splat', function (t) {
+  t.plan(3)
+  var addNamed = require('../../lib/cache/add-named.js')
+  addNamed('xyzzy-wibble', '*', testModule, function (err, pkg) {
+    t.error(err, 'Succesfully resolved a splat package')
+    t.is(pkg.name, moduleName)
+    t.is(pkg.version, testModule['dist-tags'].latest)
+  })
+})