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init-javascript.el
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init-javascript.el
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(require-package 'json)
(require-package 'js3-mode)
(when (>= emacs-major-version 24)
(require-package 'js2-mode))
(require-package 'js-comint)
(require-package 'rainbow-delimiters)
(require-package 'coffee-mode)
(require-package 'flymake-coffee)
(require-package 'flymake-jslint)
(require-package 'flymake-json)
(defcustom preferred-javascript-mode
(first (remove-if-not #'fboundp '(js2-mode js3-mode)))
"Javascript mode to use for .js files."
:type 'symbol
:group 'programming
:options '(js2-mode js3-mode js-mode))
(defvar preferred-javascript-indent-level 2)
;; Need to first remove from list if present, since elpa adds entries too, which
;; may be in an arbitrary order
(eval-when-compile (require 'cl))
(setq auto-mode-alist (cons `("\\.js\\(\\.erb\\)?\\'" . ,preferred-javascript-mode)
(loop for entry in auto-mode-alist
unless (eq preferred-javascript-mode (cdr entry))
collect entry)))
(add-auto-mode 'js-mode "\\.json\\'")
(add-hook 'js-mode-hook 'flymake-json-maybe-load)
;; On-the-fly syntax checking
(eval-after-load 'js
'(add-hook 'js-mode-hook 'flymake-jslint-load))
;; js2-mode
(add-hook 'js2-mode-hook '(lambda () (setq mode-name "JS2")))
(setq js2-use-font-lock-faces t
js2-mode-must-byte-compile nil
js2-basic-offset preferred-javascript-indent-level
js2-indent-on-enter-key t
js2-auto-indent-p t
js2-bounce-indent-p nil)
(eval-after-load 'js2-mode '(js2-imenu-extras-setup))
;; js3-mode
(add-hook 'js3-mode-hook '(lambda () (setq mode-name "JS3")))
(setq js3-auto-indent-p t
js3-enter-indents-newline t
js3-indent-on-enter-key t
js3-indent-level preferred-javascript-indent-level)
;; js-mode
(setq js-indent-level preferred-javascript-indent-level)
;; standard javascript-mode
(setq javascript-indent-level preferred-javascript-indent-level)
(add-to-list 'interpreter-mode-alist (cons "node" preferred-javascript-mode))
(eval-after-load 'coffee-mode
`(setq coffee-js-mode preferred-javascript-mode
coffee-tab-width preferred-javascript-indent-level))
(add-hook 'coffee-mode-hook 'flymake-coffee-load)
;; ---------------------------------------------------------------------------
;; Run and interact with an inferior JS via js-comint.el
;; ---------------------------------------------------------------------------
(setq inferior-js-program-command "js")
(defvar inferior-js-minor-mode-map (make-sparse-keymap))
(define-key inferior-js-minor-mode-map "\C-x\C-e" 'js-send-last-sexp)
(define-key inferior-js-minor-mode-map "\C-\M-x" 'js-send-last-sexp-and-go)
(define-key inferior-js-minor-mode-map "\C-cb" 'js-send-buffer)
(define-key inferior-js-minor-mode-map "\C-c\C-b" 'js-send-buffer-and-go)
(define-key inferior-js-minor-mode-map "\C-cl" 'js-load-file-and-go)
(define-minor-mode inferior-js-keys-mode
"Bindings for communicating with an inferior js interpreter."
nil " InfJS" inferior-js-minor-mode-map)
(dolist (hook '(js2-mode-hook js3-mode-hook js-mode-hook))
(add-hook hook 'inferior-js-keys-mode))
;; ---------------------------------------------------------------------------
;; Alternatively, use skewer-mode
;; ---------------------------------------------------------------------------
(when (featurep 'js2-mode)
(require-package 'skewer-mode)
(add-hook 'skewer-mode-hook (lambda () (inferior-js-keys-mode -1))))
(provide 'init-javascript)