Help out decaffeinate. #829

src/Archive/Redirect.coffee

@@ -139,7 +139,7 @@ Redirect =
     if type is 'capcode'
       value = {'Developer': 'dev'}[value] or value.toLowerCase()
     else if type is 'image'
-      value = value.replace /[+/=]/g, (c) -> {'+': '-', '/': '_', '=': ''}[c]
+      value = value.replace /[+/=]/g, (c) -> ({'+': '-', '/': '_', '=': ''})[c]
     value = encodeURIComponent value
     path  = if archive.software is 'foolfuuka'
       "#{boardID}/search/#{type}/#{value}/"

src/Filtering/Filter.coffee

@@ -11,7 +11,7 @@ Filter =
       for line in Conf[key].split '\n'
         continue if line[0] is '#'
 
-        unless regexp = line.match /\/(.+)\/(\w*)/
+        if not (regexp = line.match /\/(.+)\/(\w*)/)
           continue
 
         # Don't mix up filter flags with the regular expression.

src/Filtering/PostHiding.coffee

@@ -84,7 +84,7 @@ PostHiding =
         open: (post) ->
           if !post.isReply or post.isClone or !post.isHidden
             return false
-          unless data = PostHiding.db.get {boardID: post.board.ID, threadID: post.thread.ID, postID: post.ID}
+          if not (data = PostHiding.db.get {boardID: post.board.ID, threadID: post.thread.ID, postID: post.ID})
             return false
           PostHiding.menu.post = post
           thisPost.firstChild.checked = post.isHidden
@@ -104,7 +104,7 @@ PostHiding =
         open: (post) ->
           if !post.isReply or post.isClone or !post.isHidden
             return false
-          unless data = PostHiding.db.get {boardID: post.board.ID, threadID: post.thread.ID, postID: post.ID}
+          if not (data = PostHiding.db.get {boardID: post.board.ID, threadID: post.thread.ID, postID: post.ID})
             return false
           PostHiding.menu.post = post
 

src/Filtering/Recursive.coffee

@@ -14,14 +14,15 @@ Recursive =
     return
 
   add: (recursive, post, args...) ->
-    obj = Recursive.recursives[post.fullID] or=
+    obj = Recursive.recursives[post.fullID] or= {
       recursives: []
       args: []
+    }
     obj.recursives.push recursive
     obj.args.push args
 
   rm: (recursive, post) ->
-    return unless obj = Recursive.recursives[post.fullID]
+    return if not (obj = Recursive.recursives[post.fullID])
     for rec, i in obj.recursives when rec is recursive
       obj.recursives.splice i, 1
       obj.args.splice i, 1

src/Filtering/ThreadHiding.coffee

@@ -22,10 +22,11 @@ ThreadHiding =
     @hiddenThreads = JSON.parse(localStorage.getItem "4chan-hide-t-#{g.BOARD}") or {}
     Main.ready ->
       # 4chan's catalog sets the style to "display: none;" when hiding or unhiding a thread.
-      new MutationObserver(ThreadHiding.catalogSave).observe $.id('threads'),
+      new MutationObserver(ThreadHiding.catalogSave).observe $.id('threads'), {
         attributes: true
         subtree: true
         attributeFilter: ['style']
+      }
 
   catalogSave: ->
     hiddenThreads2 = JSON.parse(localStorage.getItem "4chan-hide-t-#{g.BOARD}") or {}
@@ -78,7 +79,7 @@ ThreadHiding =
             return false
           ThreadHiding.menu.thread = thread
           true
-        subEntries: [el: apply; el: makeStub]
+        subEntries: [{el: apply}, {el: makeStub}]
 
       div = $.el 'a',
         className: 'show-thread-link'

src/General/Build.Test.coffee

@@ -105,7 +105,7 @@ Build.Test =
   testAll: ->
     g.posts.forEach (post) ->
       unless post.isClone or post.isFetchedQuote
-        unless (abbr = $ '.abbr', post.nodes.comment) and /Comment too long\./.test(abbr.textContent)
+        if not ((abbr = $ '.abbr', post.nodes.comment) and /Comment too long\./.test(abbr.textContent))
           Build.Test.testOne post
     return
 

src/General/Build.coffee

@@ -6,7 +6,7 @@ Build =
   unescape: (text) ->
     return text unless text?
     text.replace(/<[^>]*>/g, '').replace /&(amp|#039|quot|lt|gt|#44);/g, (c) ->
-      {'&amp;': '&', '&#039;': "'", '&quot;': '"', '&lt;': '<', '&gt;': '>', '&#44;': ','}[c]
+      (({'&amp;': '&', '&#039;': "'", '&quot;': '"', '&lt;': '<', '&gt;': '>', '&#44;': ','})[c])
 
   shortFilename: (filename) ->
     ext = filename.match(/\.?[^\.]*$/)[0]
@@ -149,7 +149,7 @@ Build =
     for quote in $$ '.quotelink', container
       href = quote.getAttribute 'href'
       if (href[0] is '#') and !(Build.sameThread boardID, threadID)
-        quote.href = "/#{boardID}/thread/#{threadID}" + href
+        quote.href = ("/#{boardID}/thread/#{threadID}") + href
       else if (match = href.match /^\/([^\/]+)\/thread\/(\d+)/) and (Build.sameThread match[1], match[2])
         quote.href = href.match(/(#[^#]*)?$/)[0] or '#'
       else if /^\d+(#|$)/.test(href) and not (g.VIEW is 'thread' and g.BOARD.ID is boardID) # used on /f/
@@ -199,7 +199,7 @@ Build =
       src = "#{staticPath}spoiler"
       if spoilerRange = Build.spoilerRange[thread.board]
         # Randomize the spoiler image.
-        src += "-#{thread.board}" + Math.floor 1 + spoilerRange * Math.random()
+        src += ("-#{thread.board}") + Math.floor 1 + spoilerRange * Math.random()
       src += '.png'
       imgClass = 'spoiler-file'
     else if data.filedeleted

src/General/Get.coffee

@@ -1,7 +1,7 @@
 Get =
   threadExcerpt: (thread) ->
     {OP} = thread
-    excerpt = "/#{thread.board}/ - " + (
+    excerpt = ("/#{thread.board}/ - ") + (
       OP.info.subject?.trim() or
       OP.info.commentDisplay.replace(/\n+/g, ' // ') or
       OP.file?.name or

src/General/Header.coffee

@@ -246,7 +246,7 @@ Header =
     a.textContent = if /-title/.test(t) or /-replace/.test(t) and boardID is g.BOARD.ID
       a.title or a.textContent
     else if /-full/.test t
-      "/#{boardID}/" + (if a.title then " - #{a.title}" else '')
+      ("/#{boardID}/") + (if a.title then " - #{a.title}" else '')
     else
       text or boardID
 

src/General/Index.coffee

@@ -20,10 +20,11 @@ Index =
       Conf['Index Mode'] = history.state?.mode
     @currentSort = history.state?.sort
     @currentSort or=
-      if typeof Conf['Index Sort'] is 'object'
+      if typeof Conf['Index Sort'] is 'object' then (
         Conf['Index Sort'][g.BOARD.ID] or 'bump'
-      else
+      ) else (
         Conf['Index Sort']
+      )
     @currentPage = @getCurrentPage()
     @processHash()
 
@@ -594,7 +595,7 @@ Index =
     if Index.liveThreadData[0]
       Build.spoilerRange[g.BOARD.ID] = Index.liveThreadData[0].custom_spoiler
     g.BOARD.threads.forEach (thread) ->
-      thread.collect() unless thread.ID in Index.liveThreadIDs
+      (thread.collect() unless thread.ID in Index.liveThreadIDs)
     return
 
   buildThreads: ->
@@ -616,7 +617,7 @@ Index =
           thread = new Thread threadData.no, g.BOARD
           threads.push thread
 
-        unless (OP = thread.OP) and not OP.isFetchedQuote
+        if not ((OP = thread.OP) and not OP.isFetchedQuote)
           OP = new Post Build.postFromObject(threadData, g.BOARD.ID, true), thread, g.BOARD
           posts.push OP
         thread.setPage i // Index.threadsNumPerPage + 1
@@ -638,7 +639,7 @@ Index =
   buildReplies: (threads) ->
     posts = []
     for thread in threads
-      continue unless (lastReplies = Index.liveThreadDict[thread.ID].last_replies)
+      continue if not (lastReplies = Index.liveThreadDict[thread.ID].last_replies)
       nodes = []
       for data in lastReplies
         if (post = thread.posts[data.no]) and not post.isFetchedQuote
@@ -681,7 +682,7 @@ Index =
   buildCatalogReplies: (threads) ->
     for thread in threads
       {nodes} = thread.catalogView
-      continue unless (lastReplies = Index.liveThreadDict[thread.ID].last_replies)
+      continue if not (lastReplies = Index.liveThreadDict[thread.ID].last_replies)
 
       if nodes.replies
         # RelativeDates will stop updating elements if they go out of document.
@@ -816,7 +817,7 @@ Index =
     Index.pageLoad false
 
   querySearch: (query) ->
-    return unless keywords = query.toLowerCase().match /\S+/g
+    return if not (keywords = query.toLowerCase().match /\S+/g)
     Index.sortedThreads.filter (thread) ->
       Index.searchMatch thread, keywords
 

src/General/Settings.coffee

@@ -183,7 +183,7 @@ Settings =
         if $.hasStorage
           for boardID of hiddenThreads.boards
             localStorage.removeItem "4chan-hide-t-#{boardID}"
-        $.delete ['hiddenThreads', 'hiddenPosts']
+        ($.delete ['hiddenThreads', 'hiddenPosts'])
     $.after $('input[name="Stubs"]', section).parentNode.parentNode, div
 
   export: ->
@@ -191,7 +191,7 @@ Settings =
     $.get Conf, (Conf) ->
       # Don't export cached JSON data.
       delete Conf['boardConfig']
-      Settings.downloadExport {version: g.VERSION, date: Date.now(), Conf}
+      (Settings.downloadExport {version: g.VERSION, date: Date.now(), Conf})
 
   downloadExport: (data) ->
     a = $.el 'a',
@@ -206,7 +206,7 @@ Settings =
     $('input[type=file]', @parentNode).click()
 
   onImport: ->
-    return unless file = @files[0]
+    return if not (file = @files[0])
     @value = null
     output = $('.imp-exp-result')
     unless confirm 'Your current settings will be entirely overwritten, are you sure?'
@@ -437,7 +437,7 @@ Settings =
         className: 'field'
         spellcheck: false
       $.get name, Conf[name], (item) ->
-        ta.value = item[name]
+        (ta.value = item[name])
       $.on ta, 'change', $.cb.value
       $.add div, ta
       return
@@ -449,7 +449,7 @@ Settings =
     $('.warning', section).hidden = Conf['Sauce']
     ta = $ 'textarea', section
     $.get 'sauces', Conf['sauces'], (item) ->
-      ta.value = item['sauces']
+      (ta.value = item['sauces'])
     $.on ta, 'change', $.cb.value
 
   advanced: (section) ->
@@ -530,10 +530,11 @@ Settings =
     for {uid, name, boards, files, software} in Conf['archives']
       continue unless software in ['fuuka', 'foolfuuka']
       for boardID in boards
-        o = archBoards[boardID] or=
+        o = archBoards[boardID] or= {
           thread: []
           post:   []
           file:   []
+        }
         archive = [uid ? name, name]
         o.thread.push archive
         o.post.push   archive if software is 'foolfuuka'
@@ -546,10 +547,11 @@ Settings =
         className: "board-#{boardID}"
       row.hidden = boardID isnt g.BOARD.ID
 
-      boardOptions.push $.el 'option',
+      boardOptions.push $.el 'option', {
         textContent: "/#{boardID}/"
         value:       "board-#{boardID}"
         selected:    boardID is g.BOARD.ID
+      }
 
       o = archBoards[boardID]
       $.add row, Settings.addArchiveCell boardID, o, item for item in ['thread', 'post', 'file']
@@ -587,13 +589,14 @@ Settings =
     i = 0
     while i < length
       archive = data[type][i++]
-      options.push $.el 'option',
+      options.push $.el 'option', {
         value: JSON.stringify archive[0]
         textContent: archive[1]
+      }
 
     $.extend td, <%= html('<select></select>') %>
     select = td.firstElementChild
-    unless select.disabled = length is 1
+    if not (select.disabled = length is 1)
       # XXX GM can't into datasets
       select.setAttribute 'data-boardid', boardID
       select.setAttribute 'data-type', type
@@ -616,7 +619,7 @@ Settings =
     @nextElementSibling.textContent = Time.format @value, new Date()
 
   backlink: ->
-    @nextElementSibling.textContent = @value.replace /%(?:id|%)/g, (x) -> {'%id': '123456789', '%%': '%'}[x]
+    @nextElementSibling.textContent = @value.replace /%(?:id|%)/g, (x) -> ({'%id': '123456789', '%%': '%'})[x]
 
   fileInfo: ->
     data =

src/General/UI.coffee

@@ -5,7 +5,7 @@ dialog = (id, position, properties) ->
   $.extend el, properties
   el.style.cssText = position
   $.get "#{id}.position", position, (item) ->
-    el.style.cssText = item["#{id}.position"]
+    (el.style.cssText = item["#{id}.position"])
 
   move = $ '.move', el
   $.on move, 'touchstart mousedown', dragstart
@@ -153,7 +153,7 @@ class Menu
         if next = @findNextEntry entry, +1
           @focus next
       when 39 # Right
-        if (submenu = $ '.submenu', entry) and next = submenu.firstElementChild
+        if (submenu = $ '.submenu', entry) and (next = submenu.firstElementChild)
           while nextPrev = @findNextEntry next, -1
             next = nextPrev
           @focus next
@@ -178,7 +178,7 @@ class Menu
     $.addClass entry, 'focused'
 
     # Submenu positioning.
-    return unless submenu = $ '.submenu', entry
+    return if not (submenu = $ '.submenu', entry)
     sRect   = submenu.getBoundingClientRect()
     eRect   = entry.getBoundingClientRect()
     cHeight = doc.clientHeight

src/Images/Gallery.coffee

@@ -1,6 +1,6 @@
 Gallery =
   init: ->
-    return unless @enabled = Conf['Gallery'] and g.VIEW in ['index', 'thread'] and g.BOARD.ID isnt 'f'
+    return if not (@enabled = Conf['Gallery'] and g.VIEW in ['index', 'thread'] and g.BOARD.ID isnt 'f')
 
     @delay = Conf['Slide Delay']
 
@@ -202,7 +202,7 @@ Gallery =
     ImageCommon.error @, g.posts[@dataset.post], null, (url) =>
       return unless url
       Gallery.images[@dataset.id].href = url
-      @src = url if Gallery.nodes.current is @
+      (@src = url if Gallery.nodes.current is @)
 
   cacheError: ->
     delete Gallery.cache
@@ -236,7 +236,7 @@ Gallery =
 
   cb:
     keybinds: (e) ->
-      return unless key = Keybinds.keyCode e
+      return if not (key = Keybinds.keyCode e)
 
       cb = switch key
         when Conf['Close'], Conf['Open Gallery']

src/Images/ImageCommon.coffee

@@ -27,7 +27,7 @@ ImageCommon =
 
   decodeError: (file, post) ->
     return false unless file.error?.code is MediaError.MEDIA_ERR_DECODE
-    unless message = $ '.warning', post.file.thumb.parentNode
+    if not (message = $ '.warning', post.file.thumb.parentNode)
       message = $.el 'div', className:   'warning'
       $.after post.file.thumb, message
     message.textContent = 'Error: Corrupt or unplayable video'
@@ -35,9 +35,10 @@ ImageCommon =
 
   error: (file, post, delay, cb) ->
     src = post.file.url.split '/'
-    URL = Redirect.to 'file',
+    URL = Redirect.to 'file', {
       boardID:  post.board.ID
       filename: src[src.length - 1]
+    }
     unless Conf['404 Redirect'] and URL and Redirect.securityCheck URL
       URL = null
 

src/Images/ImageExpand.coffee

@@ -1,6 +1,6 @@
 ImageExpand =
   init: ->
-    return unless @enabled = Conf['Image Expansion'] and g.VIEW in ['index', 'thread'] and g.BOARD.ID isnt 'f'
+    return if not (@enabled = Conf['Image Expansion'] and g.VIEW in ['index', 'thread'] and g.BOARD.ID isnt 'f')
 
     @EAI = $.el 'a',
       className: 'expand-all-shortcut fa fa-expand'
@@ -273,7 +273,7 @@ ImageExpand =
     ImageCommon.error @, post, 10 * $.SECOND, (URL) ->
       if post.file.isExpanding or post.file.isExpanded
         ImageExpand.contract post
-        ImageExpand.expand post, URL if URL
+        (ImageExpand.expand post, URL if URL)
 
   menu:
     init: ->

src/Images/Sauce.coffee

@@ -19,7 +19,7 @@ Sauce =
       cb:   @node
 
   createSauceLink: (link, post) ->
-    return null unless link = link.trim()
+    return null if not (link = link.trim())
 
     parts = {}
     for part, i in link.split /;(?=(?:text|boards|types|sandbox):?)/
@@ -60,7 +60,7 @@ Sauce =
     nodes = []
     skipped = []
     for link in Sauce.links
-      unless (node = Sauce.createSauceLink link, @)
+      if not (node = Sauce.createSauceLink link, @)
         node = Sauce.link.cloneNode false
         skipped.push [link, node]
       nodes.push $.tn(' '), node
@@ -79,7 +79,7 @@ Sauce =
     URL:   (post) -> post.file.url
     IMG:   (post, ext) -> if ext in ['gif', 'jpg', 'png'] then post.file.url else post.file.thumbURL
     MD5:   (post) -> post.file.MD5
-    sMD5:  (post) -> post.file.MD5?.replace /[+/=]/g, (c) -> {'+': '-', '/': '_', '=': ''}[c]
+    sMD5:  (post) -> post.file.MD5?.replace /[+/=]/g, (c) -> ({'+': '-', '/': '_', '=': ''})[c]
     hMD5:  (post) -> if post.file.MD5 then ("0#{c.charCodeAt(0).toString(16)}"[-2..] for c in atob post.file.MD5).join('')
     board: (post) -> post.board.ID
     name:  (post) -> post.file.name

src/Images/Volume.coffee

@@ -71,7 +71,7 @@ Volume =
 
   wheel: (e) ->
     return if e.shiftKey or e.altKey or e.ctrlKey or e.metaKey
-    return unless el = $ 'video:not([data-md5])', @
+    return if not (el = $ 'video:not([data-md5])', @)
     return if el.muted or not $.hasAudio el
     volume = el.volume + 0.1
     volume *= 1.1 if e.deltaY < 0

src/Linkification/Embedding.coffee

@@ -69,7 +69,7 @@ Embedding =
     $.on $('.close', Embedding.dialog), 'click',     Embedding.closeFloat
     $.on $('.move',  Embedding.dialog), 'mousedown', Embedding.dragEmbed
     $.on $('.jump',  Embedding.dialog), 'click', ->
-      Header.scrollTo Embedding.lastEmbed if doc.contains Embedding.lastEmbed
+      (Header.scrollTo Embedding.lastEmbed if doc.contains Embedding.lastEmbed)
     $.add d.body, Embedding.dialog
 
   closeFloat: ->
@@ -91,7 +91,7 @@ Embedding =
 
   title: (data) ->
     {key, uid, options, link, post} = data
-    return unless service = Embedding.types[key].title
+    return if not (service = Embedding.types[key].title)
     $.addClass link, key.toLowerCase()
     if service.batchSize
       (service.queue or= []).push data
@@ -117,7 +117,7 @@ Embedding =
     click: (e) ->
       e.preventDefault()
       if Conf['Floating Embeds'] or $.hasClass(doc, 'catalog-mode')
-        return unless div = Embedding.media.firstChild
+        return if not (div = Embedding.media.firstChild)
         $.replace div, Embedding.cb.embed @
         Embedding.lastEmbed = Get.postFromNode(@).nodes.root
         $.rmClass Embedding.dialog, 'empty'

src/Miscellaneous/ExpandComment.coffee

@@ -24,7 +24,7 @@ ExpandComment =
       $.replace post.nodes.shortComment, post.nodes.longComment
       post.nodes.comment = post.nodes.longComment
       return
-    return unless a = $ '.abbr > a', post.nodes.comment
+    return if not (a = $ '.abbr > a', post.nodes.comment)
     a.textContent = "Post No.#{post} Loading..."
     $.cache "//a.4cdn.org#{a.pathname.split(/\/+/).splice(0,4).join('/')}.json", -> ExpandComment.parse @, a, post
 

src/Miscellaneous/ExpandThread.coffee

@@ -1,7 +1,7 @@
 ExpandThread =
   statuses: {}
   init: ->
-    return unless g.VIEW is 'index' and Conf['Thread Expansion']
+    return if not (g.VIEW is 'index' and Conf['Thread Expansion'])
     if Conf['JSON Index']
       $.on d, 'IndexRefreshInternal', @onIndexRefresh
     else
@@ -10,7 +10,7 @@ ExpandThread =
         cb: -> ExpandThread.setButton @
 
   setButton: (thread) ->
-    return unless thread.nodes.root and (a = $ '.summary', thread.nodes.root)
+    return if not (thread.nodes.root and (a = $ '.summary', thread.nodes.root))
     a.textContent = Build.summaryText '+', a.textContent.match(/\d+/g)...
     a.style.cursor = 'pointer'
     $.on a, 'click', ExpandThread.cbToggle
@@ -35,7 +35,7 @@ ExpandThread =
 
   toggle: (thread) ->
     threadRoot = thread.nodes.root
-    return unless a = $ '.summary', threadRoot
+    return if not (a = $ '.summary', threadRoot)
     if thread.ID of ExpandThread.statuses
       ExpandThread.contract thread, a, threadRoot
     else

src/Miscellaneous/Flash.coffee

@@ -5,7 +5,7 @@ Flash =
 
   initReady: ->
     if $.hasStorage
-      $.global -> window.SWFEmbed.init() if JSON.parse(localStorage['4chan-settings'] or '{}').disableAll
+      $.global -> (window.SWFEmbed.init() if JSON.parse(localStorage['4chan-settings'] or '{}').disableAll)
     else
       if g.VIEW is 'thread'
         $.global -> window.Main.tid = location.pathname.split(/\/+/)[3]

src/Miscellaneous/Fourchan.coffee

@@ -4,8 +4,8 @@ Fourchan =
 
     if g.BOARD.ID is 'g'
       $.on window, 'prettyprint:cb', (e) ->
-        return unless post = g.posts[e.detail.ID]
+        return if not (post = g.posts[e.detail.ID])
-        return unless pre  = $$('.prettyprint', post.nodes.comment)[e.detail.i]
+        return if not (pre  = $$('.prettyprint', post.nodes.comment)[e.detail.i])
         unless $.hasClass pre, 'prettyprinted'
           pre.innerHTML = e.detail.html
           $.addClass pre, 'prettyprinted'

src/Miscellaneous/IDPostCount.coffee

@@ -16,5 +16,5 @@ IDPostCount =
     {uniqueID} = Get.postFromNode(@).info
     n = 0
     IDPostCount.thread.posts.forEach (post) ->
-      n++ if post.info.uniqueID is uniqueID
+      (n++ if post.info.uniqueID is uniqueID)
     @title = "#{n} post#{if n is 1 then '' else 's'} by this ID"

src/Miscellaneous/Keybinds.coffee

@@ -17,7 +17,7 @@ Keybinds =
     Conf[hotkey] = key
 
   keydown: (e) ->
-    return unless key = Keybinds.keyCode e
+    return if not (key = Keybinds.keyCode e)
     {target} = e
     if target.nodeName in ['INPUT', 'TEXTAREA']
       return unless /(Esc|Alt|Ctrl|Meta|Shift\+\w{2,})/.test(key) and not /^Alt\+(\d|Up|Down|Left|Right)$/.test(key)
@@ -260,7 +260,7 @@ Keybinds =
         when 'code'        then !!config.code_tags
         when 'math', 'eqn' then !!config.math_tags
         when 'sjis'        then !!config.sjis_tags
-      new Notice 'warning', "[#{tag}] tags are not supported on /#{g.BOARD}/.", 20 unless supported
+      (new Notice 'warning', "[#{tag}] tags are not supported on /#{g.BOARD}/.", 20 unless supported)
 
     value    = ta.value
     selStart = ta.selectionStart
@@ -272,7 +272,7 @@ Keybinds =
       value[selEnd..]
 
     # Move the caret to the end of the selection.
-    range = "[#{tag}]".length + selEnd
+    range = ("[#{tag}]").length + selEnd
     ta.setSelectionRange range, range
 
     # Fire the 'input' event
@@ -314,7 +314,7 @@ Keybinds =
           'following'
         else
           'preceding'
-        return unless next = $.x "#{axis}-sibling::div[contains(@class,'replyContainer') and not(@hidden) and not(child::div[@class='stub'])][1]/child::div[contains(@class,'reply')]", root
+        return if not (next = $.x "#{axis}-sibling::div[contains(@class,'replyContainer') and not(@hidden) and not(child::div[@class='stub'])][1]/child::div[contains(@class,'reply')]", root)
         Header.scrollToIfNeeded next, delta is +1
         @focus next
         $.rmClass postEl, 'highlight'

src/Miscellaneous/PSAHiding.coffee

@@ -5,7 +5,7 @@ PSAHiding =
     $.one d, '4chanXInitFinished', @setup
 
   setup: ->
-    unless psa = PSAHiding.psa = $.id 'globalMessage'
+    if not (psa = PSAHiding.psa = $.id 'globalMessage')
       $.rmClass doc, 'hide-announcement'
       return
     if (hr = $.id('globalToggle')?.previousElementSibling) and hr.nodeName is 'HR'

src/Miscellaneous/Report.coffee

@@ -1,6 +1,6 @@
 Report =
   init: ->
-    return unless (match = location.search.match /\bno=(\d+)/)
+    return if not (match = location.search.match /\bno=(\d+)/)
     Captcha.replace.init()
     @postID = +match[1]
     $.ready @ready
@@ -20,6 +20,6 @@ Report =
       Report.fit 'body'
 
   fit: (selector) ->
-    return unless (el = $ selector, doc) and getComputedStyle(el).visibility isnt 'hidden'
+    return if not ((el = $ selector, doc) and getComputedStyle(el).visibility isnt 'hidden')
     dy = el.getBoundingClientRect().bottom - doc.clientHeight + 8
     window.resizeBy 0, dy if dy > 0

src/Monitoring/Favicon.coffee

@@ -1,6 +1,6 @@
 Favicon =
   init: ->
-    $.asap (-> d.head and Favicon.el = $ 'link[rel="shortcut icon"]', d.head), Favicon.initAsap
+    $.asap (-> d.head and (Favicon.el = $ 'link[rel="shortcut icon"]', d.head)), Favicon.initAsap
   
   initAsap: ->
     Favicon.el.type = 'image/x-icon'

src/Monitoring/ReplyPruning.coffee

@@ -60,7 +60,7 @@ ReplyPruning =
     @posts.forEach (post) ->
       if post.isReply
         ReplyPruning.total++
-        ReplyPruning.totalFiles++ if post.file
+        (ReplyPruning.totalFiles++ if post.file)
 
     # If we're linked to a post that we would hide, don't hide the posts in the first place.
     # Also don't hide posts if we open the thread by a link to the OP.

src/Monitoring/ThreadStats.coffee

@@ -42,7 +42,7 @@ ThreadStats =
     @posts.forEach (post) ->
       postCount++
       fileCount++ if post.file
-      ThreadStats.lastPost = post.info.date if ThreadStats.pageCountEl
+      (ThreadStats.lastPost = post.info.date if ThreadStats.pageCountEl)
     ThreadStats.thread = @
     ThreadStats.fetchPage()
     ThreadStats.update postCount, fileCount, @ipCount

src/Monitoring/ThreadUpdater.coffee

@@ -32,7 +32,7 @@ ThreadUpdater =
       className: 'brackets-wrap updatelink'
     $.extend updateLink, <%= html('<a href="javascript:;">Update</a>') %>
     Main.ready ->
-      $.add navLinksBot, [$.tn(' '), updateLink] if (navLinksBot = $ '.navLinksBot')
+      ($.add navLinksBot, [$.tn(' '), updateLink] if (navLinksBot = $ '.navLinksBot'))
     $.on updateLink.firstElementChild, 'click', @update
 
     subEntries = []
@@ -77,7 +77,7 @@ ThreadUpdater =
     ThreadUpdater.fileIDs = []
     @posts.forEach (post) ->
       ThreadUpdater.postIDs.push post.ID
-      ThreadUpdater.fileIDs.push post.ID if post.file
+      (ThreadUpdater.fileIDs.push post.ID if post.file)
 
     ThreadUpdater.cb.interval.call $.el 'input', value: Conf['Interval']
 
@@ -238,7 +238,7 @@ ThreadUpdater =
       whenModified: 'ThreadUpdater'
 
   updateThreadStatus: (type, status) ->
-    return unless hasChanged = ThreadUpdater.thread["is#{type}"] isnt status
+    return if not (hasChanged = ThreadUpdater.thread["is#{type}"] isnt status)
     ThreadUpdater.thread.setStatus type, status
     return if type is 'Closed' and ThreadUpdater.thread.isArchived
     change = if type is 'Sticky'
@@ -346,7 +346,7 @@ ThreadUpdater =
           Header.scrollTo firstPost if firstPost
 
     # Update IP count in original post form.
-    if OP.unique_ips? and ipCountEl = $.id('unique-ips')
+    if OP.unique_ips? and (ipCountEl = $.id('unique-ips'))
       ipCountEl.textContent = OP.unique_ips
       ipCountEl.previousSibling.textContent = ipCountEl.previousSibling.textContent.replace(/\b(?:is|are)\b/, if OP.unique_ips is 1 then 'is' else 'are')
       ipCountEl.nextSibling.textContent = ipCountEl.nextSibling.textContent.replace(/\bposters?\b/, if OP.unique_ips is 1 then 'poster' else 'posters')

src/Monitoring/ThreadWatcher.coffee

@@ -1,6 +1,6 @@
 ThreadWatcher =
   init: ->
-    return unless (@enabled = Conf['Thread Watcher'])
+    return if not (@enabled = Conf['Thread Watcher'])
 
     @shortcut = sc = $.el 'a',
       id:   'watcher-link'
@@ -335,7 +335,7 @@ ThreadWatcher =
         for post in [thread.OP, thread.OP.clones...]
           toggler = $ '.watch-thread-link', post.nodes.info
           ThreadWatcher.setToggler toggler, isWatched
-      thread.catalogView.nodes.root.classList.toggle 'watched', isWatched if thread.catalogView
+      (thread.catalogView.nodes.root.classList.toggle 'watched', isWatched if thread.catalogView)
 
     if Conf['Pin Watched Threads']
       $.event 'SortIndex', {deferred: Conf['Index Mode'] isnt 'catalog'}
@@ -346,7 +346,7 @@ ThreadWatcher =
     return
 
   update: (boardID, threadID, newData) ->
-    return unless data = ThreadWatcher.db?.get {boardID, threadID}
+    return if not (data = ThreadWatcher.db?.get {boardID, threadID})
     if newData.isDead and Conf['Auto Prune']
       ThreadWatcher.db.delete {boardID, threadID}
       ThreadWatcher.refresh()
@@ -354,7 +354,7 @@ ThreadWatcher =
     n = 0
     n++ for key, val of newData when data[key] isnt val
     return unless n
-    return unless (data = ThreadWatcher.db.get {boardID, threadID})
+    return if not (data = ThreadWatcher.db.get {boardID, threadID})
     ThreadWatcher.db.extend {boardID, threadID, val: newData}
     if line = $ "#watched-threads > [data-full-i-d='#{boardID}.#{threadID}']", ThreadWatcher.dialog
       newLine = ThreadWatcher.makeLine boardID, threadID, data
@@ -364,7 +364,7 @@ ThreadWatcher =
       ThreadWatcher.refresh()
 
   set404: (boardID, threadID, cb) ->
-    return cb() unless data = ThreadWatcher.db?.get {boardID, threadID}
+    return cb() if not (data = ThreadWatcher.db?.get {boardID, threadID})
     if Conf['Auto Prune']
       ThreadWatcher.db.delete {boardID, threadID}
       return cb()

src/Monitoring/Unread.coffee

@@ -185,7 +185,7 @@ Unread =
     return unless count
     Unread.updatePosition()
     Unread.saveLastReadPost()
-    Unread.update() if e
+    (Unread.update() if e)
 
   updatePosition: ->
     while Unread.position and !Unread.posts.has Unread.position.ID

src/Posting/Captcha.replace.coffee

@@ -26,7 +26,7 @@ Captcha.replace =
         $.onExists doc, 'iframe', Captcha.replace.iframe
 
   noscript: ->
-    return unless (original = $ '#g-recaptcha, #captchaContainerAlt') and (noscript = $ 'noscript')
+    return if not ((original = $ '#g-recaptcha, #captchaContainerAlt') and (noscript = $ 'noscript'))
     span = $.el 'span',
       id: 'captcha-forced-noscript'
     $.replace noscript, span

src/Posting/Captcha.v1.coffee

@@ -3,7 +3,7 @@ Captcha.v1 =
 
   init: ->
     return if d.cookie.indexOf('pass_enabled=1') >= 0
-    return unless @isEnabled = !!$ '#g-recaptcha, #captchaContainerAlt'
+    return if not (@isEnabled = !!$ '#g-recaptcha, #captchaContainerAlt')
 
     imgContainer = $.el 'div',
       className: 'captcha-img'
@@ -40,7 +40,7 @@ Captcha.v1 =
 
   replace: ->
     return if @script
-    unless @script = $ 'script[src="//www.google.com/recaptcha/api/js/recaptcha_ajax.js"]', d.head
+    if not (@script = $ 'script[src="//www.google.com/recaptcha/api/js/recaptcha_ajax.js"]', d.head)
       @script = $.el 'script',
         src: '//www.google.com/recaptcha/api/js/recaptcha_ajax.js'
       $.add d.head, @script
@@ -66,7 +66,7 @@ Captcha.v1 =
       $.on field, 'keydown', (e) ->
         if e.keyCode is 8 and not field.value
           $.global -> window.Recaptcha.reload()
-      field.focus() if location.hostname is 'sys.4chan.org'
+      (field.focus() if location.hostname is 'sys.4chan.org')
 
     $.global ->
       container = document.getElementById 'captchaContainerAlt'
@@ -113,7 +113,7 @@ Captcha.v1 =
       @nodes.input.focus()
 
   afterSetup: ->
-    return unless challenge = $.id 'recaptcha_challenge_field_holder'
+    return if not (challenge = $.id 'recaptcha_challenge_field_holder')
     return if challenge is QR.captcha.nodes.challenge
 
     setLifetime = (e) -> QR.captcha.lifetime = e.detail
@@ -192,7 +192,7 @@ Captcha.v1 =
       @nodes.img.src = @blank
       return
     return unless @nodes.challenge.firstChild
-    return unless challenge_image = $.id 'recaptcha_challenge_image'
+    return if not (challenge_image = $.id 'recaptcha_challenge_image')
     # -1 minute to give upload some time.
     @timeout  = Date.now() + @lifetime * $.SECOND - $.MINUTE
     challenge = @nodes.challenge.firstChild.value

src/Posting/Captcha.v2.coffee

@@ -3,7 +3,7 @@ Captcha.v2 =
 
   init: ->
     return if d.cookie.indexOf('pass_enabled=1') >= 0
-    return unless (@isEnabled = !!$ '#g-recaptcha, #captchaContainerAlt, #captcha-forced-noscript')
+    return if not (@isEnabled = !!$ '#g-recaptcha, #captchaContainerAlt, #captcha-forced-noscript')
 
     if (@noscript = Conf['Force Noscript Captcha'] or not Main.jsEnabled)
       $.addClass QR.nodes.el, 'noscript-captcha'

src/Posting/PassLink.coffee

@@ -4,7 +4,7 @@ PassLink =
     Main.ready @ready
 
   ready: ->
-    return unless (styleSelector = $.id 'styleSelector')
+    return if not (styleSelector = $.id 'styleSelector')
 
     passLink = $.el 'span',
       className: 'brackets-wrap pass-link-container'

src/Posting/QR.coffee

@@ -536,14 +536,14 @@ QR =
     i = 0
     save = -> QR.selected.save @
     while name = items[i++]
-      continue unless node = nodes[name]
+      continue if not (node = nodes[name])
       event = if node.nodeName is 'SELECT' then 'change' else 'input'
       $.on nodes[name], event, save
 
     # XXX Blink and WebKit treat width and height of <textarea>s as min-width and min-height
     if $.engine is 'gecko' and Conf['Remember QR Size']
       $.get 'QR Size', '', (item) ->
-        nodes.com.style.cssText = item['QR Size']
+        (nodes.com.style.cssText = item['QR Size'])
       $.on nodes.com, 'mouseup', (e) ->
         return if e.button isnt 0
         $.set 'QR Size', @style.cssText
@@ -777,10 +777,11 @@ QR =
 
     QR.cooldown.add threadID, postID
 
-    URL = if threadID is postID # new thread
+    URL = if threadID is postID then ( # new thread
       "#{window.location.origin}/#{g.BOARD}/thread/#{threadID}"
-    else if threadID isnt g.THREADID and lastPostToThread and Conf['Open Post in New Tab'] # replying from the index or a different thread
+    ) else if threadID isnt g.THREADID and lastPostToThread and Conf['Open Post in New Tab'] then ( # replying from the index or a different thread
       "#{window.location.origin}/#{g.BOARD}/thread/#{threadID}#p#{postID}"
+    ) else undefined
 
     if URL
       open = if Conf['Open Post in New Tab'] or postsCount

src/Posting/QR.oekaki.coffee

@@ -51,9 +51,10 @@ QR.oekaki =
         window.Tegaki.flatten().toBlob (file) ->
           source = "oekaki-#{Date.now()}"
           FCX.oekakiLatest = source
-          document.dispatchEvent new CustomEvent 'QRSetFile',
+          document.dispatchEvent new CustomEvent 'QRSetFile', {
             bubbles: true
             detail: {file, name: FCX.oekakiName, source}
+          }
       if window.Tegaki
         document.querySelector('#qr .oekaki').hidden = false
 
@@ -101,9 +102,10 @@ QR.oekaki =
       name     = document.getElementById('qr-filename').value.replace(/\.\w+$/, '') + '.png'
       {source} = document.getElementById('file-n-submit').dataset
       error = (content) ->
-        document.dispatchEvent new CustomEvent 'CreateNotification',
+        document.dispatchEvent new CustomEvent 'CreateNotification', {
           bubbles: true
           detail: {type: 'warning', content, lifetime: 20}
+        }
       cb = (e) ->
         document.removeEventListener 'QRFile', cb, false
         return error 'No file to edit.' unless e.detail

src/Posting/QR.persona.coffee

@@ -13,7 +13,7 @@ QR.persona =
 
   parseItem: (item) ->
     return if item[0] is '#'
-    return unless match = item.match /(name|options|email|subject|password):"(.*)"/i
+    return if not (match = item.match /(name|options|email|subject|password):"(.*)"/i)
     [match, type, val]  = match
 
     # Don't mix up item settings with val.

src/Posting/QR.post.coffee

@@ -16,7 +16,7 @@ QR.post = class
     $.on @nodes.rm,      'click',  (e) => e.stopPropagation(); @rm()
     $.on @nodes.spoiler, 'change', (e) =>
       @spoiler = e.target.checked
-      QR.nodes.spoiler.checked = @spoiler if @ is QR.selected
+      (QR.nodes.spoiler.checked = @spoiler if @ is QR.selected)
     for label in $$ 'label', el
       $.on label, 'click', (e) -> e.stopPropagation()
     $.add QR.nodes.dumpList, el
@@ -53,7 +53,7 @@ QR.post = class
       else
         ''
 
-      @load() if QR.selected is @ # load persona
+      (@load() if QR.selected is @) # load persona
     @select() if select
     @unlock()
     # Post count temporarily off by 1 when called from QR.post.rm or QR.close
@@ -104,7 +104,7 @@ QR.post = class
     # Load this post's values.
 
     for name in ['thread', 'name', 'email', 'sub', 'com', 'filename']
-      continue unless node = QR.nodes[name]
+      continue if not (node = QR.nodes[name])
       node.value = @[name] or node.dataset.default or ''
 
     (if @thread isnt 'new' then $.addClass else $.rmClass) QR.nodes.el, 'reply-to-thread'
@@ -140,7 +140,7 @@ QR.post = class
     # Do this in case people use extensions
     # that do not trigger the `input` event.
     for name in ['thread', 'name', 'email', 'sub', 'com', 'filename', 'spoiler']
-      continue unless node = QR.nodes[name]
+      continue if not (node = QR.nodes[name])
       @save node
     return
 
@@ -171,10 +171,10 @@ QR.post = class
     (@errors or= []).push div
     [rm, rmAll] = $$ 'a', div
     $.on div, 'click', =>
-      @select() if @ in QR.posts
+      (@select() if @ in QR.posts)
     $.on rm, 'click', (e) =>
       e.stopPropagation()
-      @rm() if @ in QR.posts
+      (@rm() if @ in QR.posts)
     $.on rmAll, 'click', QR.post.rmErrored
     QR.error div, true
 

src/Quotelinks/QuoteBacklink.coffee

@@ -26,7 +26,7 @@ QuoteBacklink =
     a = $.el 'a',
       href: Build.postURL @board.ID, @thread.ID, @ID
       className: if @isHidden then 'filtered backlink' else 'backlink'
-      textContent: Conf['backlink'].replace(/%(?:id|%)/g, (x) => {'%id': @ID, '%%': '%'}[x])
+      textContent: Conf['backlink'].replace(/%(?:id|%)/g, (x) => ({'%id': @ID, '%%': '%'})[x])
     $.add a, QuoteYou.mark.cloneNode(true) if markYours
     for quote in @quotes
       containers = [QuoteBacklink.getContainer quote]

src/Quotelinks/QuoteInline.coffee

@@ -65,14 +65,16 @@ QuoteInline =
     $.addClass qroot, 'hasInline'
     new Fetcher boardID, threadID, postID, inline, quoter
 
-    return unless (post = g.posts["#{boardID}.#{postID}"]) and
+    return if not (
+      (post = g.posts["#{boardID}.#{postID}"]) and
       context.thread is post.thread
+    )
 
     # Hide forward post if it's a backlink of a post in this thread.
     # Will only unhide if there's no inlined backlinks of it anymore.
     if isBacklink and Conf['Forward Hiding']
       $.addClass post.nodes.root, 'forwarded'
-      post.forwarded++ or post.forwarded = 1
+      post.forwarded++ or (post.forwarded = 1)
 
     # Decrease the unread count if this post
     # is in the array of unread posts.
@@ -91,7 +93,7 @@ QuoteInline =
       $.rmClass qroot, 'hasInline'
 
     # Stop if it only contains text.
-    return unless el = root.firstElementChild
+    return if not (el = root.firstElementChild)
 
     # Dereference clone.
     post = g.posts["#{boardID}.#{postID}"]

src/Quotelinks/QuotePreview.coffee

@@ -43,7 +43,7 @@ QuotePreview =
 
   mouseout: ->
     # Stop if it only contains text.
-    return unless root = @el.firstElementChild
+    return if not (root = @el.firstElementChild)
 
     clone = Get.postFromRoot root
     post  = clone.origin

src/Quotelinks/QuoteThreading.coffee

@@ -48,7 +48,7 @@ QuoteThreading =
   setThread: ->
     QuoteThreading.thread = @
     $.asap (-> !Conf['Thread Updater'] or $ '.navLinksBot > .updatelink'), ->
-      $.add navLinksBot, [$.tn(' '), QuoteThreading.threadNewLink] if (navLinksBot = $ '.navLinksBot')
+      ($.add navLinksBot, [$.tn(' '), QuoteThreading.threadNewLink] if (navLinksBot = $ '.navLinksBot'))
 
   node: ->
     return if @isFetchedQuote or @isClone or !@isReply
@@ -77,9 +77,11 @@ QuoteThreading =
     posts
 
   insert: (post) ->
-    return false unless Conf['Thread Quotes'] and
+    return false if not (
+      Conf['Thread Quotes'] and
       (parent = QuoteThreading.parent[post.fullID]) and
       !QuoteThreading.inserted[post.fullID]
+    )
 
     descendants = QuoteThreading.descendants post
     if !Unread.posts.has(parent.ID)

src/Quotelinks/QuoteYou.coffee

@@ -8,7 +8,7 @@ QuoteYou =
       $.forceSync 'Remember Your Posts'
       if Conf['Remember Your Posts']
         {boardID, threadID, postID} = e.detail
-        QuoteYou.db.set {boardID, threadID, postID, val: true}
+        (QuoteYou.db.set {boardID, threadID, postID, val: true})
 
     return unless g.VIEW in ['index', 'thread']
 
@@ -49,7 +49,7 @@ QuoteYou =
       $.rmClass highlight, 'highlight' if highlight = $ '.highlight'
 
       unless QuoteYou.lastRead and doc.contains(QuoteYou.lastRead) and $.hasClass(QuoteYou.lastRead, 'quotesYou')
-        unless (post = QuoteYou.lastRead = $ '.quotesYou')
+        if not (post = QuoteYou.lastRead = $ '.quotesYou')
           new Notice 'warning', 'No posts are currently quoting you, loser.', 20
           return
         return if QuoteYou.cb.scroll post

src/Quotelinks/Quotify.coffee

@@ -22,7 +22,7 @@ Quotify =
     return
 
   parseArchivelink: (link) ->
-    return unless (m = link.pathname.match /^\/([^/]+)\/thread\/S?(\d+)\/?$/)
+    return if not (m = link.pathname.match /^\/([^/]+)\/thread\/S?(\d+)\/?$/)
     return if link.hostname is 'boards.4chan.org'
     boardID  = m[1]
     threadID = m[2]
@@ -43,7 +43,7 @@ Quotify =
       return
 
     quote = deadlink.textContent
-    return unless postID = quote.match(/\d+$/)?[0]
+    return if not (postID = quote.match(/\d+$/)?[0])
     if postID[0] is '0'
       # Fix quotelinks that start with a `0`.
       Quotify.fixDeadlink deadlink

src/classes/DataBoard.coffee

@@ -98,7 +98,7 @@ class DataBoard
         @ajaxCleanParse boardID, e1.target.response, e2.target.response
 
   ajaxCleanParse: (boardID, response1, response2) ->
-    return unless (board = @data.boards[boardID])
+    return if not (board = @data.boards[boardID])
     threads = {}
     if response1
       for page in response1

src/classes/Fetcher.coffee

@@ -92,7 +92,7 @@ class Fetcher
 
   archivedPost: ->
     return false unless Conf['Resurrect Quotes']
-    return false unless url = Redirect.to 'post', {@boardID, @postID}
+    return false if not (url = Redirect.to 'post', {@boardID, @postID})
     archive = Redirect.data.post[@boardID]
     if /^https:\/\//.test(url) or location.protocol is 'http:'
       $.cache url, (e) =>

src/classes/Post.coffee

@@ -14,7 +14,7 @@ class Post
 
     @nodes = @parseNodes root
 
-    unless (@isReply = $.hasClass @nodes.post, 'reply')
+    if not (@isReply = $.hasClass @nodes.post, 'reply')
       @thread.OP = @
       @thread.isArchived = !!$ '.archivedIcon', @nodes.info
       @thread.isSticky   = !!$ '.stickyIcon', @nodes.info
@@ -164,8 +164,8 @@ class Post
   parseFile: ->
     {fileRoot} = @nodes
     return unless fileRoot
-    return unless (link = $ '.fileText > a, .fileText-original > a', fileRoot)
+    return if not (link = $ '.fileText > a, .fileText-original > a', fileRoot)
-    return unless (info = link.nextSibling?.textContent.match /\(([\d.]+ [KMG]?B).*\)/)
+    return if not (info = link.nextSibling?.textContent.match /\(([\d.]+ [KMG]?B).*\)/)
     fileText = fileRoot.firstElementChild
     @file =
       text:       fileText
@@ -206,7 +206,7 @@ class Post
       $.rmClass  @nodes.root, 'deleted-file'
       $.addClass @nodes.root, 'deleted-post'
 
-    unless (strong = $ 'strong.warning', @nodes.info)
+    if not (strong = $ 'strong.warning', @nodes.info)
       strong = $.el 'strong',
         className: 'warning'
       $.after $('input', @nodes.info), strong

src/classes/Thread.coffee

@@ -26,7 +26,7 @@ class Thread
 
   setPage: (pageNum) ->
     {info, reply} = @OP.nodes
-    unless (icon = $ '.page-num', info)
+    if not (icon = $ '.page-num', info)
       icon = $.el 'span', className: 'page-num'
       $.replace reply.parentNode.previousSibling, [$.tn(' '), icon, $.tn(' ')]
     icon.title       = "This thread is on page #{pageNum} in the original index."

src/main/Main.coffee

@@ -122,9 +122,10 @@ Main =
           else if (match = search.match /\bres=(\d+)/)
             $.ready ->
               if Conf['404 Redirect'] and $.id('errmsg')?.textContent is 'Error: Specified thread does not exist.'
-                Redirect.navigate 'thread',
+                Redirect.navigate 'thread', {
                   boardID: g.BOARD.ID
                   postID:  +match[1]
+                }
         else if pathname[2] is 'post'
           PostSuccessful.init()
         return
@@ -132,9 +133,10 @@ Main =
         return unless pathname[2] and not /s\.jpg$/.test(pathname[2])
         $.asap (-> d.readyState isnt 'loading'), ->
           if Conf['404 Redirect'] and d.title in ['4chan - Temporarily Offline', '4chan - 404 Not Found']
-            Redirect.navigate 'file',
+            Redirect.navigate 'file', {
               boardID:  g.BOARD.ID
               filename: pathname[pathname.length - 1]
+            }
           else if video = $ 'video'
             if Conf['Volume in New Tab']
               Volume.setup video
@@ -197,7 +199,7 @@ Main =
 
     keyboard = false
     $.on d, 'mousedown', -> keyboard = false
-    $.on d, 'keydown', (e) -> keyboard = true if e.keyCode is 9 # tab
+    $.on d, 'keydown', (e) -> (keyboard = true if e.keyCode is 9) # tab
     window.addEventListener 'focus', (-> doc.classList.toggle 'keyboard-focus', keyboard), true
 
     Main.setClass()
@@ -236,9 +238,10 @@ Main =
         $.after $.id('fourchanx-css'), Main.bgColorStyle
     setStyle()
     return unless mainStyleSheet
-    new MutationObserver(setStyle).observe mainStyleSheet,
+    new MutationObserver(setStyle).observe mainStyleSheet, {
       attributes: true
       attributeFilter: ['href']
+    }
 
   initReady: ->
     # XXX Sometimes threads don't 404 but are left over as stubs containing one garbage reply post.
@@ -322,7 +325,7 @@ Main =
     i   = 0
     cbs = Callbacks[klass]
     fn  = ->
-      return false unless node = nodes[i]
+      return false if not (node = nodes[i])
       cbs.execute node
       ++i % 25
 
@@ -330,7 +333,7 @@ Main =
       while fn()
         continue
       unless nodes[i]
-        cb() if cb
+        (cb() if cb)
         return
       setTimeout softTask, 0 
 
@@ -353,10 +356,11 @@ Main =
     div = $.el 'div',
       <%= html('${errors.length} errors occurred.&{Main.reportLink(errors)} [<a href="javascript:;">show</a>]') %>
     $.on div.lastElementChild, 'click', ->
-      [@textContent, logs.hidden] = if @textContent is 'show'
+      [@textContent, logs.hidden] = if @textContent is 'show' then (
         ['hide', false]
-      else
+      ) else (
         ['show', true]
+      )
 
     logs = $.el 'div',
       hidden: true
@@ -408,7 +412,7 @@ Main =
 
   ready: (cb) ->
     $.ready ->
-      cb() if Main.isThisPageLegit()
+      (cb() if Main.isThisPageLegit())
 
   features: [
     ['Polyfill',                  Polyfill]

src/platform/$.coffee

@@ -4,10 +4,13 @@
 $ = (selector, root=d.body) ->
   root.querySelector selector
 
-$.DAY = 24 * 
+$.DAY = 24 * (
-  $.HOUR = 60 * 
+  $.HOUR = 60 * (
-    $.MINUTE = 60 * 
+    $.MINUTE = 60 * (
       $.SECOND = 1000
+    )
+  )
+)
 
 $.id = (id) ->
   d.getElementById id
@@ -60,7 +63,7 @@ $.ajax = do ->
       $.extend r, options
       $.extend r.upload, upCallbacks
       # connection error or content blocker
-      $.on r, 'error', -> c.error "4chan X failed to load: #{url}" unless r.status
+      $.on r, 'error', -> (c.error "4chan X failed to load: #{url}" unless r.status)
       r.send form
     catch err
       # XXX Some content blockers in Firefox (e.g. Adblock Plus and NoScript) throw an exception instead of simulating a connection error.
@@ -81,7 +84,7 @@ do ->
       return req
     rm = -> delete reqs[url]
     try
-      return unless req = $.ajax url, options
+      return if not (req = $.ajax url, options)
     catch err
       return
     $.on req, 'load', (e) ->
@@ -456,7 +459,7 @@ do ->
         items.sync[key] = val for key, val of data when not exceedsQuota(key, val)
         setSync()
       else
-        chrome.storage.local.remove (key for key of data when key not of items.local)
+        chrome.storage.local.remove (key for key of data when not (key of items.local))
       cb?()
 
   setSync = $.debounce $.SECOND, ->
@@ -544,7 +547,7 @@ else if GM_deleteValue? or $.hasStorage
 
   do ->
     onChange = ({key, newValue}) ->
-      return unless cb = $.syncing[key]
+      return if not (cb = $.syncing[key])
       if newValue?
         return if newValue is $.oldValue[key]
         $.oldValue[key] = newValue