outdated needed to see set `changed`

library/packaging/npm

@@ -209,6 +209,10 @@ def main():
             changed = True
             npm.install()
     elif state == 'latest':
+        installed, missing = npm.list()
+        outdated = npm.list_outdated()
+        if len(missing) or len(outdated):
+           changed = True
            npm.install()
     else: #absent
         installed, missing = npm.list()