;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2016 Ricardo Wurmus <rekado@elephly.net> ;;; ;;; 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$")))) (mkdir-p "guix/build") (every (cut minify <> #:directory "guix/build/") files))) (define* (install #:key outputs #:allow-other-keys) (let* ((out (assoc-ref outputs "out")) (js (string-append out "/share/javascript/"))) (mkdir-p js) (for-each (cut install-file <> js) (find-files "guix/build" "\\.min\\.js$"))) #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