@@ 1341,3 1341,50 @@ compressor. It works on data produced by @code{parse-js} to generate a
@item remove some unreachable code
@end itemize\n")
(license license:zlib))))
+
+(define-public uglify-js
+ (package
+ (inherit sbcl-cl-uglify-js)
+ (name "uglify-js")
+ (build-system trivial-build-system)
+ (arguments
+ `(#:modules ((guix build utils))
+ #:builder
+ (let* ((bin (string-append (assoc-ref %outputs "out") "/bin/"))
+ (script (string-append bin "uglify-js")))
+ (use-modules (guix build utils))
+ (mkdir-p bin)
+ (with-output-to-file script
+ (lambda _
+ (format #t "#!~a/bin/sbcl --script
+ (require :asdf)
+ (push (truename \"~a/lib/sbcl\") asdf:*central-registry*)"
+ (assoc-ref %build-inputs "sbcl")
+ (assoc-ref %build-inputs "sbcl-cl-uglify-js"))
+ ;; FIXME: cannot use progn here because otherwise it fails to
+ ;; find cl-uglify-js.
+ (for-each
+ write
+ '(;; Quiet, please!
+ (let ((*standard-output* (make-broadcast-stream))
+ (*error-output* (make-broadcast-stream)))
+ (asdf:load-system :cl-uglify-js))
+ (let ((file (cadr *posix-argv*)))
+ (if file
+ (format t "~a"
+ (cl-uglify-js:ast-gen-code
+ (cl-uglify-js:ast-mangle
+ (cl-uglify-js:ast-squeeze
+ (with-open-file (in file)
+ (parse-js:parse-js in))))
+ :beautify nil))
+ (progn
+ (format *error-output*
+ "Please provide a JavaScript file.~%")
+ (sb-ext:exit :code 1))))))))
+ (chmod script #o755)
+ #t)))
+ (inputs
+ `(("sbcl" ,sbcl)
+ ("sbcl-cl-uglify-js" ,sbcl-cl-uglify-js)))
+ (synopsis "JavaScript compressor")))