gnu: Add node-uglify-js.

* gnu/packages/uglifyjs.scm (node-uglify-js, uglifyjs): New variables.
* gnu/local.mk (GNU_SYSTEM_MODULES): Register it.

Signed-off-by: Efraim Flashner <efraim@flashner.co.il>

gnu/local.mk

@@ -557,6 +557,7 @@ GNU_SYSTEM_MODULES =				\
   %D%/packages/tmux.scm				\
   %D%/packages/tor.scm				\
   %D%/packages/tv.scm				\
+  %D%/packages/uglifyjs.scm			\
   %D%/packages/uml.scm				\
   %D%/packages/unicode.scm			\
   %D%/packages/unrtf.scm			\

gnu/packages/uglifyjs.scm

@@ -0,0 +1,50 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2021 Charles <charles.b.jackson@protonmail.com>
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (gnu packages uglifyjs)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (guix packages)
+  #:use-module (guix git-download)
+  #:use-module (guix build-system node)
+  #:use-module (gnu packages node-xyz))
+
+(define-public node-uglify-js
+  (package
+    (name "node-uglify-js")
+    (version "3.13.9")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/mishoo/UglifyJS")
+             (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32 "0q1f91xwwm829cl5v727d4qkxy4yh7wri3pgl89f0m3a4y1n7hi4"))))
+    (build-system node-build-system)
+    (native-inputs
+     `(("node-acorn" ,node-acorn)
+       ("node-semver" ,node-semver)))
+    (home-page "https://lisperator.net/uglifyjs/")
+    (synopsis "JavaScript parser / mangler / compressor / beautifier toolkit")
+    (description "UglifyJS is a JavaScript compressor/minifier written in
+JavaScript.  It also contains tools that allow one to automate working with
+JavaScript code: parser, code generator, compressor, mangler, scope analyzer,
+tree walker, and tree transformer.")
+      (license license:bsd-2)))
+
+(define-public uglifyjs node-uglify-js)