Add ‘js2-mode’ configuration

oni-js2-mode.el

@@ -0,0 +1,61 @@
+;;; oni-js2-mode.el --- js2-mode configuration       -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2019  Tom Willemse
+
+;; Author: Tom Willemse <tom@ryuslash.org>
+;; Keywords: local
+;; Version: 20190206002649
+;; Package-Requires: (js2-mode js2-refactor flycheck company fill-column-indicator tern company-tern fic-mode)
+
+;; This program 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.
+
+;; This program 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 this program.  If not, see <https://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;; My `js2-mode' configuration.
+
+;;; Code:
+
+(require 'company)
+(require 'js2-mode)
+(require 'js2-refactor)
+(require 'whitespace)
+
+(defun oni-js2-mode-whitespace-mode ()
+  "Enable whitespace mode with only tabs showing."
+  (setq-local whitespace-style '(face tabs))
+  (whitespace-mode))
+
+(setq js2-include-node-externs t)
+(setq js2-strict-trailing-comma-warning nil)
+(setq js2-strict-missing-semi-warning nil)
+(setq js2-basic-offset 2)
+
+(add-hook 'js2-mode-hook 'company-mode)
+(add-hook 'js2-mode-hook 'electric-pair-local-mode)
+(add-hook 'js2-mode-hook 'fci-mode)
+(add-hook 'js2-mode-hook 'fic-mode)
+(add-hook 'js2-mode-hook 'flycheck-mode)
+(add-hook 'js2-mode-hook 'js2-refactor-mode)
+(add-hook 'js2-mode-hook 'oni-js2-mode-whitespace-mode)
+(add-hook 'js2-mode-hook 'subword-mode)
+(add-hook 'js2-mode-hook 'tern-mode)
+
+(js2r-add-keybindings-with-prefix "C-c r")
+
+(add-to-list 'company-backends 'company-tern)
+
+;;;###autoload(with-eval-after-load 'js2-mode (require 'oni-js2-mode))
+
+(provide 'oni-js2-mode)
+;;; oni-js2-mode.el ends here