From d18ae762d1ab2882565345eedba67fd1984f4be2 Mon Sep 17 00:00:00 2001
From: Brian Frichette <brian.frichette@gmail.com>
Date: Sat, 5 Jul 2014 03:54:55 -0700
Subject: [PATCH] Added helper for checking package versions

---
 plugins/npm/npm.plugin.zsh | 53 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)

diff --git a/plugins/npm/npm.plugin.zsh b/plugins/npm/npm.plugin.zsh
index c3eb91d31..5e92ab7f7 100644
--- a/plugins/npm/npm.plugin.zsh
+++ b/plugins/npm/npm.plugin.zsh
@@ -1 +1,54 @@
+# Copyright notice for use and modification of SemVer Loose Regex:
+
+# Copyright (c) Isaac Z. Schlueter ("Author")
+# All rights reserved.
+
+# The BSD License
+
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+# BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+# IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# All additional code released under project MIT license
+
 eval "$(npm completion 2>/dev/null)"
+
+# More helpful `npm view {package} version`
+nvv() {
+  echo "NPM registry package: $(npm view $1 version)"
+
+  SEMVER_LOOSE="$1\@([0-9]+\.[0-9]+\.[0-9]+(-?(([0-9]+|\d*[a-zA-Z-][a-zA-Z0-9-]*)(\.([0-9]+|\d*[a-zA-Z-][a-zA-Z0-9-]*))*))?(\+([0-9A-Za-z-]+(\.[0-9A-Za-z-]+)*))?)"
+  LOCAL_PKG=`npm ls $1 --depth=0`
+  GLOBAL_PKG=`npm ls $1 -g --depth=0`
+
+  if [[ $LOCAL_PKG =~ $SEMVER_LOOSE ]]; then
+    echo "Local package: $match[1]"
+  fi
+
+  if [[ $GLOBAL_PKG =~ $SEMVER_LOOSE ]]; then
+    echo "Global package: $match[1]"
+  fi
+
+  unset LOCAL_PKG
+  unset GLOBAL_PKG
+  unset SEMVER_LOOSE
+}