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| | ;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2016 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2020 Efraim Flashner <efraim@flashner.co.il>
;;;
;;; 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 (guix build minify-build-system)
#:use-module ((guix build gnu-build-system) #:prefix gnu:)
#:use-module ((guix build minify-build-system) #:prefix minify:)
#:use-module (guix build utils)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-26)
#:use-module (ice-9 popen)
#:export (%standard-phases
minify-build
minify))
;; Commentary:
;;
;; Builder-side code of the standard minification procedure for JavaScript
;; files.
;;
;; Code:
(define* (minify file #:key target (directory ""))
(format #t "minifying ~a\n" file)
(let* ((base (basename file ".js"))
(installed (or target (string-append directory base ".min.js")))
(minified (open-pipe* OPEN_READ "uglify-js" file)))
(call-with-output-file installed
(cut dump-port minified <>))
#t))
(define* (build #:key javascript-files
#:allow-other-keys)
(let ((files (or javascript-files
(find-files "src" "\\.js$"))))
(mkdir-p "guix/build")
(every (cut minify <> #:directory "guix/build/") files)))
(define* (install #:key outputs #:allow-other-keys)
(let* ((out (assoc-ref outputs "out"))
(js (string-append out "/share/javascript/")))
(mkdir-p js)
(for-each
(lambda (file)
(if (not (zero? (stat:size (stat file))))
(install-file file js)
(error "File is empty: " file)))
(find-files "guix/build" "\\.min\\.js$")))
#t)
(define %standard-phases
(modify-phases gnu:%standard-phases
(delete 'bootstrap)
(delete 'configure)
(replace 'build build)
(delete 'check)
(replace 'install install)))
(define* (minify-build #:key inputs (phases %standard-phases)
#:allow-other-keys #:rest args)
"Build the given JavaScript package, applying all of PHASES in order."
(apply gnu:gnu-build #:inputs inputs #:phases phases args))
;;; minify-build-system.scm ends here
|