Add js-mode configuration

emacs/.emacs.d/GNUmakefile

@@ -4,7 +4,7 @@ AUTOLOADS_FILE = site-lisp/site-autoloads.el
 UNWANTED = $(AUTOLOADS_FILE) site-lisp/flycheck_% site-lisp/flycheck-%
 SITE_LISPS = $(addsuffix c,$(filter-out $(UNWANTED),$(wildcard site-lisp/*.el)))
 
-all: init.elc $(AUTOLOADS_FILE) $(SITE_LISPS)
+all: init.elc init/js-mode-init.elc $(AUTOLOADS_FILE) $(SITE_LISPS)
 
 %.el: %.org
 	$(call tangle,emacs-lisp)

emacs/.emacs.d/init.org

@@ -30,6 +30,13 @@ To start off, first I need to enable lexical binding.
       (add-to-list 'package-archives '("org" . "http://orgmode.org/elpa/")))
   #+END_SRC
 
+  Add the directory with my mode-specific configuration files to the
+  load path.
+
+  #+BEGIN_SRC emacs-lisp
+    (add-to-list 'load-path (locate-user-emacs-file "init/"))
+  #+END_SRC
+
   Add all my vendored packages to the load path.
 
   #+BEGIN_SRC emacs-lisp
@@ -674,6 +681,17 @@ To start off, first I need to enable lexical binding.
 
 * Major modes
 
+  Configuration for major modes is specified in dedicated
+  configuration files.
+
+  - [[file:init/js-mode.org][js-mode]] :: JavaScript mode is used by me for json files. js2-mode
+       doesn't work very nicely with json, always showing syntax
+       errors.
+
+       #+BEGIN_SRC emacs-lisp
+         (with-eval-after-load 'js (load "js-mode-init"))
+       #+END_SRC
+
 ** Emacs lisp mode
 
    Enable paredit mode.

emacs/.emacs.d/init/js-mode-init.org

@@ -0,0 +1,10 @@
+#+TITLE: JavaScript mode
+
+I use js-mode for json files because js2-mode always complains about
+syntax errors.
+
+Turn on electric pairing for js-mode buffers.
+
+#+BEGIN_SRC emacs-lisp
+  (add-hook 'js-mode-hook 'electric-pair-local-mode)
+#+END_SRC