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| | ;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2017, 2018 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2021 Ludovic Courtès <ludo@gnu.org>
;;;
;;; 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-system minify)
#:use-module (guix store)
#:use-module (guix utils)
#:use-module (guix packages)
#:use-module (guix gexp)
#:use-module (guix monads)
#:use-module (guix search-paths)
#:use-module (guix build-system)
#:use-module (guix build-system gnu)
#:export (%minify-build-system-modules
minify-build
minify-build-system))
;; Commentary:
;;
;; Standard minification procedure for JavaScript files.
;;
;; Code:
(define %minify-build-system-modules
;; Build-side modules imported by default.
`((guix build minify-build-system)
,@%gnu-build-system-modules))
(define (default-uglify-js)
"Return the default package to minify JavaScript source files."
;; Lazily resolve the binding to avoid a circular dependency.
(let ((mod (resolve-interface '(gnu packages uglifyjs))))
(module-ref mod 'uglifyjs)))
(define* (lower name
#:key source inputs native-inputs outputs system
(uglify-js (default-uglify-js))
(guile (default-guile))
#:allow-other-keys
#:rest arguments)
"Return a bag for NAME."
(define private-keywords
'(#:target #:inputs #:native-inputs))
(bag
(name name)
(system system)
(host-inputs `(,@(if source
`(("source" ,source))
'())
,@inputs
,@(standard-packages)))
(build-inputs `(("uglify-js" ,uglify-js)
,@native-inputs))
(outputs outputs)
(build minify-build)
(arguments
(substitute-keyword-arguments
(strip-keyword-arguments private-keywords arguments)
((#:guile _ #t) guile)))))
(define* (minify-build name inputs
#:key
source
(javascript-files #f)
(phases '%standard-phases)
(outputs '("out"))
(system (%current-system))
search-paths
(guile #f)
(imported-modules %minify-build-system-modules)
(modules '((guix build minify-build-system)
(guix build utils))))
"Build SOURCE with INPUTS."
(define builder
(with-imported-modules imported-modules
#~(begin
(use-modules #$@(sexp->gexp modules))
(minify-build #:name #$name
#:source #+source
#:javascript-files #$javascript-files
#:phases #$phases
#:outputs #$(outputs->gexp outputs)
#:search-paths '#$(sexp->gexp
(map search-path-specification->sexp
search-paths))
#:inputs #$(input-tuples->gexp inputs)))))
(mlet %store-monad ((guile (package->derivation (or guile (default-guile))
system #:graft? #f)))
(gexp->derivation name builder
#:system system
#:guile-for-build guile)))
(define minify-build-system
(build-system
(name 'minify)
(description "The trivial JavaScript minification build system")
(lower lower)))
;;; minify.scm ends here
|