flymake

For Emacs users, jsc provides a flymake compatible output.

In order to use Emacs+flymake+jsc follow these steps:

• add this code to your .emacs configuration file

;; flymake
(require 'flymake)

(defun flymake-javascript-init ()
 (let* ((temp-file (flymake-init-create-temp-buffer-copy
                    'flymake-create-temp-inplace))
        (local-file (file-relative-name temp-file
               (file-name-directory buffer-file-name))))
   (list "~/emacs.d/flymake-javascript" (list local-file))))

(add-to-list 'flymake-allowed-file-name-masks '("\\.js\\'"
flymake-javascript-init))

• create an executable file, ~/emacs.d/flymake-javascript, with this content

#! /bin/sh

jsc -a --flymake $1

• make the file executable

chmod +x ~/emacs.d/flymake-javascript

• start emacs and enable flymake-mode, start editing a js file and enjoy :-)

Thanks to Andrea Fazzi and Luca Greco for screenshots and snippets!