Consolidate js-enabled tests.

src/General/Main.coffee

@@ -83,6 +83,7 @@ Main =
       $.global ->
         document.documentElement.classList.add 'js-enabled'
         window.FCX = {}
+      Main.jsEnabled = $.hasClass doc, 'js-enabled'
 
     switch hostname
       when 'www.4chan.org'

src/Miscellaneous/Report.coffee

@@ -27,7 +27,7 @@ Report =
           target:      '_blank'
       ]
 
-    if Conf['Use Recaptcha v2 in Reports'] and $.hasClass doc, 'js-enabled'
+    if Conf['Use Recaptcha v2 in Reports'] and Main.jsEnabled
       new MutationObserver(->
         Report.fit 'iframe[src^="https://www.google.com/recaptcha/api2/frame"]'
         Report.fit 'body'
@@ -38,7 +38,7 @@ Report =
     else
       Report.fit 'body'
 
-    if !Conf['Use Recaptcha v2 in Reports'] and $.hasClass(doc, 'js-enabled') and d.cookie.indexOf('pass_enabled=1') < 0
+    if !Conf['Use Recaptcha v2 in Reports'] and Main.jsEnabled and d.cookie.indexOf('pass_enabled=1') < 0
       $.onExists d.body, '#recaptcha_image', true, (image) ->
         # XXX Native reload-on-click breaks audio captcha.
         $.global -> document.getElementById('recaptcha_image').removeEventListener 'click', window.onAltCaptchaClick, false

src/Posting/Captcha.replace.coffee

@@ -3,13 +3,11 @@ Captcha.replace =
     return unless d.cookie.indexOf('pass_enabled=1') < 0
     return if location.hostname is 'boards.4chan.org' and Conf['Hide Original Post Form']
 
-    jsEnabled = $.hasClass doc, 'js-enabled'
+    if location.hostname is 'sys.4chan.org' and Conf['Use Recaptcha v2 in Reports'] and Main.jsEnabled
-
-    if location.hostname is 'sys.4chan.org' and Conf['Use Recaptcha v2 in Reports'] and jsEnabled
       $.ready Captcha.replace.v2
       return
 
-    if Conf['Use Recaptcha v1'] and jsEnabled and location.hostname isnt 'www.4chan.org'
+    if Conf['Use Recaptcha v1'] and Main.jsEnabled and location.hostname isnt 'www.4chan.org'
       $.ready Captcha.replace.v1
       return
 

src/Posting/Captcha.v2.coffee

@@ -5,7 +5,7 @@ Captcha.v2 =
     return if d.cookie.indexOf('pass_enabled=1') >= 0
     return unless @isEnabled = !!$ '#g-recaptcha, #captchaContainerAlt'
 
-    if @noscript = Conf['Force Noscript Captcha'] or not $.hasClass doc, 'js-enabled'
+    if @noscript = Conf['Force Noscript Captcha'] or not Main.jsEnabled
       @conn = new Connection null, "#{location.protocol}//www.google.com",
         token: (token) => @save true, token
       $.addClass QR.nodes.el, 'noscript-captcha'

src/Posting/QR.coffee

@@ -56,7 +56,7 @@ QR =
 
     if Conf['Hide Original Post Form']
       $.addClass doc, 'hide-original-post-form'
-      unless $.hasClass doc, 'js-enabled'
+      unless Main.jsEnabled
         # Prevent unnecessary loading of fallback iframe.
         $.onExists doc, '#postForm noscript', true, $.rm