#2007 - Introduce nodejs module

modules/nodejs/manifests/package.pp

 # == Type: nodejs::package
 #
 # Manage nodejs packages.
 #
 # === Parameters:
 #
 # [*ensure*]
 #  Translated directly into the state of installed/uninstalled
 #  package.
 #
-# [*options*]
-#  A list of zero or more options to install the package.
-#
 define nodejs::package (
   $ensure = 'present',
-  $options = [],
 ) {
+
+  $check_command = [
+    "npm", "list",
+    "--global",
+    "--parseable",
+    $name,
+  ]
 
   if ensure_state($ensure) {
     $command = [
       "npm",
-      "install",
-      $options,
+      "install", "--global",
       $title,
     ]
 
-    $creates = "/usr/bin/${title}"

[mathias, 2017/07/10 22:33:40]

Are you sure every package will create a file or executable in that location?

+    $unless = shellquote($check_command)
+    $onlyif = undef
   }
   else {
     $command = [
       "npm",
-      "uninstall",
-      $options,
+      "uninstall", "--global",
       $title,
     ]
 
-    $creates = undef
+    $unless = undef
+    $onlyif = shellquote($check_command)
   }
 
-  exec {"state_$title":
-    path => ["/usr/bin"],
+  exec {"nodejs_package_$title":
+    path => ["/usr/bin", "/bin"],
     command => shellquote($command),
     require => Package['nodejs'],
-    creates => $creates,
+    onlyif => $onlyif,
+    unless => $unless,
   }
 }