Branch
Hash :
160d346b
Author :
Thomas de Grivel
Date :
2017-06-21T11:12:40
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;;
;; RoL-assets - Asset pipeline
;;
;; Copyright 2012-2015 Thomas de Grivel <thomas@lowh.net>
;;
;; Permission to use, copy, modify, and distribute this software for any
;; purpose with or without fee is hereby granted, provided that the above
;; copyright notice and this permission notice appear in all copies.
;;
;; THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
;; WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
;; MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
;; ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
;; WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
;; ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
;; OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
;;
(in-package :RoL-assets)
;; JS
(defclass js-asset (preprocessed-asset) ())
(defmethod asset-ext ((asset js-asset))
'.js)
(defmethod asset-class-extensions ((class (eql 'js-asset)))
'(.js))
(defmethod asset-include ((output stream)
(context (eql :html))
(asset js-asset)
&key &allow-other-keys)
(write-string "<script src=\"" output)
(write-string (quote-html (asset-url asset)) output)
(write-string "\" type=\"text/javascript\"></script>
" output)
(values))
;; Compile
(defun uglifyjs (in out)
(write-string
(uglify-js:ast-gen-code
(uglify-js:ast-mangle
(uglify-js:ast-squeeze
(parse-js:parse-js in)))
:beautify nil)
out))
(defun jsmin (in out)
(let ((err (make-string-output-stream)))
(unwind-protect
(sb-ext:run-program "jsmin" '()
:input in
:output out
:error err
:search t)
(close err))))
(defmethod process-asset ((asset js-asset)
(output stream))
(with-input-from-file/utf-8 (js (asset-source-path asset))
(copy-stream js output))
(force-output output)
(values))
(defmethod compile-asset ((asset js-asset) (output stream))
(with-temporary-file (tmp)
(call-next-method asset tmp)
(force-output tmp)
(file-position tmp 0)
(uglifyjs tmp output))
(values))