Update

14 files changed, 359 insertions, 528 deletions

diff --git a/README.md b/README.md
index de479ba9..943f3fab 100644
--- a/README.md
+++ b/README.md
@@ -61,7 +61,7 @@ If you need full functionality of any plugin, please use it directly with your p
 - [haxe](https://github.com/yaymukund/vim-haxe) (syntax, ftdetect)
 - [html5](https://github.com/othree/html5.vim) (syntax, indent, autoload, ftplugin)
 - [jasmine](https://github.com/glanotte/vim-jasmine) (syntax, ftdetect)
-- [javascript](https://github.com/pangloss/vim-javascript) (syntax, indent, ftplugin, ftdetect, extras)
+- [javascript](https://github.com/pangloss/vim-javascript) (syntax, indent, ftdetect, ftplugin, extras)
 - [json](https://github.com/elzr/vim-json) (syntax, indent, ftplugin, ftdetect)
 - [jst](https://github.com/briancollins/vim-jst) (syntax, indent, ftdetect)
 - [jsx](https://github.com/mxw/vim-jsx) (ftdetect, after)
diff --git a/after/ftplugin/javascript.vim b/after/ftplugin/javascript.vim
new file mode 100644
index 00000000..e5324c1b
--- /dev/null
+++ b/after/ftplugin/javascript.vim
@@ -0,0 +1,12 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'javascript') == -1
+  
+" Vim filetype plugin file
+" Language:     JavaScript
+" Maintainer:   vim-javascript community
+" URL:          https://github.com/pangloss/vim-javascript
+
+setlocal iskeyword+=$ suffixesadd+=.js
+
+let b:undo_ftplugin .= ' | setlocal iskeyword< suffixesadd<'
+
+endif
diff --git a/after/ftplugin/jsx.vim b/after/ftplugin/jsx.vim
index 76b0a327..fc76b19e 100644
--- a/after/ftplugin/jsx.vim
+++ b/after/ftplugin/jsx.vim
@@ -5,7 +5,6 @@ if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'jsx') == -1
 "
 " Language: JSX (JavaScript)
 " Maintainer: Max Wang <mxawng@gmail.com>
-" Depends: pangloss/vim-javascript
 "
 """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
 
diff --git a/after/indent/jsx.vim b/after/indent/jsx.vim
index e5fdb45d..dc244d81 100644
--- a/after/indent/jsx.vim
+++ b/after/indent/jsx.vim
@@ -5,10 +5,12 @@ if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'jsx') == -1
 "
 " Language: JSX (JavaScript)
 " Maintainer: Max Wang <mxawng@gmail.com>
-" Depends: pangloss/vim-javascript
 "
 """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
 
+" Save the current JavaScript indentexpr.
+let b:jsx_js_indentexpr = &indentexpr
+
 " Prologue; load in XML indentation.
 if exists('b:did_indent')
   let s:did_indent=b:did_indent
@@ -51,19 +53,31 @@ fu! SynXMLish(syns)
   return SynAttrXMLish(get(a:syns, -1))
 endfu
 
-" Check if a synstack has any XMLish attribute.
-fu! SynXMLishAny(syns)
-  for synattr in a:syns
-    if SynAttrXMLish(synattr)
-      return 1
-    endif
-  endfor
-  return 0
-endfu
-
 " Check if a synstack denotes the end of a JSX block.
 fu! SynJSXBlockEnd(syns)
-  return get(a:syns, -1) == 'jsBraces' && SynAttrXMLish(get(a:syns, -2))
+  return get(a:syns, -1) =~ '\%(js\|javascript\)Braces' &&
+       \ SynAttrXMLish(get(a:syns, -2))
+endfu
+
+" Determine how many jsxRegions deep a synstack is.
+fu! SynJSXDepth(syns)
+  return len(filter(copy(a:syns), 'v:val ==# "jsxRegion"'))
+endfu
+
+" Check whether `cursyn' continues the same jsxRegion as `prevsyn'.
+fu! SynJSXContinues(cursyn, prevsyn)
+  let curdepth = SynJSXDepth(a:cursyn)
+  let prevdepth = SynJSXDepth(a:prevsyn)
+
+  " In most places, we expect the nesting depths to be the same between any
+  " two consecutive positions within a jsxRegion (e.g., between a parent and
+  " child node, between two JSX attributes, etc.).  The exception is between
+  " sibling nodes, where after a completed element (with depth N), we return
+  " to the parent's nesting (depth N - 1).  This case is easily detected,
+  " since it is the only time when the top syntax element in the synstack is
+  " jsxRegion---specifically, the jsxRegion corresponding to the parent.
+  return prevdepth == curdepth ||
+      \ (prevdepth == curdepth + 1 && get(a:cursyn, -1) ==# 'jsxRegion')
 endfu
 
 " Cleverly mix JS and XML indentation.
@@ -71,9 +85,12 @@ fu! GetJsxIndent()
   let cursyn  = SynSOL(v:lnum)
   let prevsyn = SynEOL(v:lnum - 1)
 
-  " Use XML indenting if the syntax at the end of the previous line was either
-  " JSX or was the closing brace of a jsBlock whose parent syntax was JSX.
-  if (SynXMLish(prevsyn) || SynJSXBlockEnd(prevsyn)) && SynXMLishAny(cursyn)
+  " Use XML indenting iff:
+  "   - the syntax at the end of the previous line was either JSX or was the
+  "     closing brace of a jsBlock whose parent syntax was JSX; and
+  "   - the current line continues the same jsxRegion as the previous line.
+  if (SynXMLish(prevsyn) || SynJSXBlockEnd(prevsyn)) &&
+        \ SynJSXContinues(cursyn, prevsyn)
     let ind = XmlIndentGet(v:lnum, 0)
 
     " Align '/>' and '>' with '<' for multiline tags.
@@ -86,7 +103,13 @@ fu! GetJsxIndent()
       let ind = ind + &sw
     endif
   else
-    let ind = GetJavascriptIndent()
+    if len(b:jsx_js_indentexpr)
+      " Invoke the base JS package's custom indenter.  (For vim-javascript,
+      " e.g., this will be GetJavascriptIndent().)
+      let ind = eval(b:jsx_js_indentexpr)
+    else
+      let ind = cindent(v:lnum)
+    endif
   endif
 
   return ind
diff --git a/after/syntax/jsx.vim b/after/syntax/jsx.vim
index de544a37..a8ca0aea 100644
--- a/after/syntax/jsx.vim
+++ b/after/syntax/jsx.vim
@@ -48,7 +48,7 @@ syn region jsxChild contained start=+{+ end=++ contains=jsBlock,javascriptBlock
 " preceding it, to avoid conflicts with, respectively, the left shift operator
 " and generic Flow type annotations (http://flowtype.org/).
 syn region jsxRegion
-  \ contains=@XMLSyntax,jsxRegion,jsxChild,jsBlock,javascriptBlock
+  \ contains=@Spell,@XMLSyntax,jsxRegion,jsxChild,jsBlock,javascriptBlock
   \ start=+\%(<\|\w\)\@<!<\z([a-zA-Z][a-zA-Z0-9:\-.]*\)+
   \ skip=+<!--\_.\{-}-->+
   \ end=+</\z1\_\s\{-}>+
diff --git a/compiler/cargo.vim b/compiler/cargo.vim
index fe627453..2902449d 100644
--- a/compiler/cargo.vim
+++ b/compiler/cargo.vim
@@ -29,6 +29,8 @@ function! s:is_absolute(path)
     return a:path[0] == '/' || a:path =~ '[A-Z]\+:'
 endfunction
 
+CompilerSet errorformat+=%-G%\\s%#Compiling%.%#
+
 let s:local_manifest = findfile(s:cargo_manifest_name, '.;')
 if s:local_manifest != ''
     let s:local_manifest = fnamemodify(s:local_manifest, ':p:h').'/'
diff --git a/extras/flow.vim b/extras/flow.vim
index d082d4e8..87698e1a 100644
--- a/extras/flow.vim
+++ b/extras/flow.vim
@@ -228,3 +228,94 @@ if version >= 508 || !exists("did_javascript_syn_inits")
 endif
 
 endif
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'javascript') == -1
+  
+syntax region  jsFlowDefinition     contained                        start=/:/    end=/\%(\s*[,=;)\n]\)\@=/ contains=@jsFlowCluster containedin=jsParen
+syntax region  jsFlowArgumentDef    contained                        start=/:/    end=/\%(\s*[,)]\|=>\@!\)\@=/ contains=@jsFlowCluster
+syntax region  jsFlowArray          contained matchgroup=jsFlowNoise start=/\[/   end=/\]/        contains=@jsFlowCluster
+syntax region  jsFlowObject         contained matchgroup=jsFlowNoise start=/{/    end=/}/         contains=@jsFlowCluster
+syntax region  jsFlowParens         contained matchgroup=jsFlowNoise start=/(/  end=/)/ contains=@jsFlowCluster
+syntax match   jsFlowNoise          contained /[:;,<>]/
+syntax keyword jsFlowType           contained boolean number string null void any mixed JSON array function object array bool class
+syntax keyword jsFlowTypeof         contained typeof skipempty skipempty nextgroup=jsFlowTypeCustom,jsFlowType
+syntax match   jsFlowTypeCustom     contained /\k*/ skipwhite skipempty nextgroup=jsFlowGroup
+syntax region  jsFlowGroup          contained matchgroup=jsFlowNoise start=/</ end=/>/ contains=@jsFlowCluster
+syntax region  jsFlowArrowArguments contained matchgroup=jsFlowNoise start=/(/  end=/)\%(\s*=>\)\@=/ oneline skipwhite skipempty nextgroup=jsFlowArrow contains=@jsFlowCluster
+syntax match   jsFlowArrow          contained /=>/ skipwhite skipempty nextgroup=jsFlowType,jsFlowTypeCustom,jsFlowParens
+syntax match   jsFlowMaybe          contained /?/ skipwhite skipempty nextgroup=jsFlowType,jsFlowTypeCustom,jsFlowParens,jsFlowArrowArguments
+syntax match   jsFlowObjectKey      contained /[0-9a-zA-Z_$?]*\(\s*:\)\@=/ contains=jsFunctionKey,jsFlowMaybe skipwhite skipempty nextgroup=jsObjectValue containedin=jsObject
+syntax match   jsFlowOrOperator     contained /|/ skipwhite skipempty nextgroup=@jsFlowCluster
+
+syntax match   jsFlowReturn         contained /:\s*/ contains=jsFlowNoise skipwhite skipempty nextgroup=@jsFlowReturnCluster
+syntax region  jsFlowReturnObject   contained matchgroup=jsFlowNoise start=/{/    end=/}/  contains=@jsFlowCluster skipwhite skipempty nextgroup=jsFuncBlock,jsFlowReturnOrOp
+syntax region  jsFlowReturnArray    contained matchgroup=jsFlowNoise start=/\[/   end=/\]/ contains=@jsFlowCluster skipwhite skipempty nextgroup=jsFuncBlock,jsFlowReturnOrOp
+syntax region  jsFlowReturnParens   contained matchgroup=jsFlowNoise start=/(/    end=/)/  contains=@jsFlowCluster skipwhite skipempty nextgroup=jsFuncBlock,jsFlowReturnOrOp
+syntax match   jsFlowReturnKeyword  contained /\k\+/ contains=jsFlowType,jsFlowTypeCustom skipwhite skipempty nextgroup=jsFlowReturnGroup,jsFuncBlock,jsFlowReturnOrOp
+syntax match   jsFlowReturnMaybe    contained /?/ skipwhite skipempty nextgroup=jsFlowReturnKeyword
+syntax region  jsFlowReturnGroup    contained matchgroup=jsFlowNoise start=/</ end=/>/ contains=@jsFlowCluster skipwhite skipempty nextgroup=jsFuncBlock,jsFlowReturnOrOp
+syntax match   jsFlowReturnOrOp     contained /\s*|\s*/ skipwhite skipempty nextgroup=@jsFlowReturnCluster
+
+syntax region  jsFlowFunctionGroup  contained matchgroup=jsFlowNoise start=/</ end=/>/ contains=@jsFlowCluster skipwhite skipempty nextgroup=jsFuncArgs
+syntax region  jsFlowClassGroup     contained matchgroup=jsFlowNoise start=/</ end=/>/ contains=@jsFlowCluster skipwhite skipempty nextgroup=jsClassBlock
+
+syntax region  jsFlowTypeStatement                                   start=/type/    end=/=\@=/ contains=jsFlowTypeOperator oneline skipwhite skipempty nextgroup=jsFlowTypeValue keepend
+syntax region  jsFlowTypeValue      contained                        start=/=/       end=/[;\n]/ contains=@jsExpression,jsFlowGroup,jsFlowMaybe
+syntax match   jsFlowTypeOperator   contained /=/
+syntax keyword jsFlowTypeKeyword    contained type
+
+syntax keyword jsFlowDeclare                  declare skipwhite skipempty nextgroup=jsFlowTypeStatement,jsClassDefinition,jsStorageClass,jsFlowModule,jsFlowInterface
+syntax match   jsFlowClassProperty  contained /\<[0-9a-zA-Z_$]*\>:\@=/ skipwhite skipempty nextgroup=jsFlowClassDef containedin=jsClassBlock
+syntax region  jsFlowClassDef       contained start=/:/    end=/\%(\s*[,=;)\n]\)\@=/ contains=@jsFlowCluster skipwhite skipempty nextgroup=jsClassValue
+
+syntax region  jsFlowModule         contained start=/module/ end=/{\@=/ skipempty skipempty nextgroup=jsFlowDeclareBlock contains=jsString
+syntax region  jsFlowInterface      contained start=/interface/ end=/{\@=/ skipempty skipempty nextgroup=jsFlowInterfaceBlock contains=@jsFlowCluster
+syntax region  jsFlowDeclareBlock   contained matchgroup=jsFlowNoise start=/{/ end=/}/ contains=jsFlowDeclare,jsFlowNoise
+
+syntax region jsFlowInterfaceBlock  contained matchgroup=jsFlowNoise start=/{/ end=/}/ contains=jsObjectKey,jsObjectKeyString,jsObjectKeyComputed,jsObjectSeparator,jsObjectFuncName,jsObjectMethodType,jsGenerator,jsComment,jsObjectStringKey,jsSpreadExpression,jsFlowNoise keepend
+
+syntax cluster jsFlowReturnCluster            contains=jsFlowNoise,jsFlowReturnObject,jsFlowReturnArray,jsFlowReturnKeyword,jsFlowReturnGroup,jsFlowReturnMaybe,jsFlowReturnOrOp
+syntax cluster jsFlowCluster                  contains=jsFlowArray,jsFlowObject,jsFlowNoise,jsFlowTypeof,jsFlowType,jsFlowGroup,jsFlowArrowArguments,jsFlowMaybe,jsFlowParens,jsFlowOrOperator
+
+if version >= 508 || !exists("did_javascript_syn_inits")
+  if version < 508
+    let did_javascript_syn_inits = 1
+    command -nargs=+ HiLink hi link <args>
+  else
+    command -nargs=+ HiLink hi def link <args>
+  endif
+  HiLink jsFlowDefinition         PreProc
+  HiLink jsFlowClassDef           jsFlowDefinition
+  HiLink jsFlowArgumentDef        jsFlowDefinition
+  HiLink jsFlowType               Type
+  HiLink jsFlowTypeCustom         PreProc
+  HiLink jsFlowTypeof             PreProc
+  HiLink jsFlowArray              PreProc
+  HiLink jsFlowObject             PreProc
+  HiLink jsFlowParens             PreProc
+  HiLink jsFlowGroup              PreProc
+  HiLink jsFlowReturn             PreProc
+  HiLink jsFlowReturnObject       jsFlowReturn
+  HiLink jsFlowReturnArray        jsFlowArray
+  HiLink jsFlowReturnParens       jsFlowParens
+  HiLink jsFlowReturnGroup        jsFlowGroup
+  HiLink jsFlowFunctionGroup      PreProc
+  HiLink jsFlowClassGroup         PreProc
+  HiLink jsFlowArrowArguments     PreProc
+  HiLink jsFlowArrow              PreProc
+  HiLink jsFlowTypeStatement      PreProc
+  HiLink jsFlowTypeKeyword        PreProc
+  HiLink jsFlowTypeOperator       PreProc
+  HiLink jsFlowMaybe              PreProc
+  HiLink jsFlowReturnMaybe        PreProc
+  HiLink jsFlowClassProperty      jsClassProperty
+  HiLink jsFlowDeclare            PreProc
+  HiLink jsFlowModule             PreProc
+  HiLink jsFlowInterface          PreProc
+  HiLink jsFlowNoise              Noise
+  HiLink jsFlowObjectKey          jsObjectKey
+  HiLink jsFlowOrOperator         PreProc
+  HiLink jsFlowReturnOrOp         jsFlowOrOperator
+  delcommand HiLink
+endif
+
+endif
diff --git a/extras/jsdoc.vim b/extras/jsdoc.vim
index 94e4951d..b227c59d 100644
--- a/extras/jsdoc.vim
+++ b/extras/jsdoc.vim
@@ -213,3 +213,46 @@ if version >= 508 || !exists("did_javascript_syn_inits")
 endif
 
 endif
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'javascript') == -1
+  
+"" syntax coloring for javadoc comments (HTML)
+syntax region jsComment    matchgroup=jsComment start="/\*\s*"  end="\*/" contains=jsDocTags,jsCommentTodo,jsCvsTag,@jsHtml,@Spell fold
+
+" tags containing a param
+syntax match  jsDocTags         contained "@\(alias\|api\|augments\|borrows\|class\|constructs\|default\|defaultvalue\|emits\|exception\|exports\|extends\|fires\|kind\|link\|listens\|member\|member[oO]f\|mixes\|module\|name\|namespace\|requires\|template\|throws\|var\|variation\|version\)\>" skipwhite nextgroup=jsDocParam
+" tags containing type and param
+syntax match  jsDocTags         contained "@\(arg\|argument\|cfg\|param\|property\|prop\)\>" skipwhite nextgroup=jsDocType
+" tags containing type but no param
+syntax match  jsDocTags         contained "@\(callback\|define\|enum\|external\|implements\|this\|type\|typedef\|return\|returns\)\>" skipwhite nextgroup=jsDocTypeNoParam
+" tags containing references
+syntax match  jsDocTags         contained "@\(lends\|see\|tutorial\)\>" skipwhite nextgroup=jsDocSeeTag
+" other tags (no extra syntax)
+syntax match  jsDocTags         contained "@\(abstract\|access\|accessor\|author\|classdesc\|constant\|const\|constructor\|copyright\|deprecated\|desc\|description\|dict\|event\|example\|file\|file[oO]verview\|final\|function\|global\|ignore\|inheritDoc\|inner\|instance\|interface\|license\|localdoc\|method\|mixin\|nosideeffects\|override\|overview\|preserve\|private\|protected\|public\|readonly\|since\|static\|struct\|todo\|summary\|undocumented\|virtual\)\>"
+
+syntax region jsDocType         contained matchgroup=jsDocTypeBrackets start="{" end="}" contains=jsDocTypeRecord oneline skipwhite nextgroup=jsDocParam
+syntax match  jsDocType         contained "\%(#\|\"\|\w\|\.\|:\|\/\)\+" skipwhite nextgroup=jsDocParam
+syntax region jsDocTypeRecord   contained start=/{/ end=/}/ contains=jsDocTypeRecord extend
+syntax region jsDocTypeRecord   contained start=/\[/ end=/\]/ contains=jsDocTypeRecord extend
+syntax region jsDocTypeNoParam  contained start="{" end="}" oneline
+syntax match  jsDocTypeNoParam  contained "\%(#\|\"\|\w\|\.\|:\|\/\)\+"
+syntax match  jsDocParam        contained "\%(#\|\$\|-\|'\|\"\|{.\{-}}\|\w\|\.\|:\|\/\|\[.{-}]\|=\)\+"
+syntax region jsDocSeeTag       contained matchgroup=jsDocSeeTag start="{" end="}" contains=jsDocTags
+
+if version >= 508 || !exists("did_javascript_syn_inits")
+  if version < 508
+    let did_javascript_syn_inits = 1
+    command -nargs=+ HiLink hi link <args>
+  else
+    command -nargs=+ HiLink hi def link <args>
+  endif
+  HiLink jsDocTags              Special
+  HiLink jsDocSeeTag            Function
+  HiLink jsDocType              Type
+  HiLink jsDocTypeBrackets      jsDocType
+  HiLink jsDocTypeRecord        jsDocType
+  HiLink jsDocTypeNoParam       Type
+  HiLink jsDocParam             Label
+  delcommand HiLink
+endif
+
+endif
diff --git a/extras/ngdoc.vim b/extras/ngdoc.vim
index 0fd55874..71cfb8ef 100644
--- a/extras/ngdoc.vim
+++ b/extras/ngdoc.vim
@@ -33,3 +33,10 @@ syntax match  jsDocType         contained "\%(#\|\$\|\w\|\"\|-\|\.\|:\|\/\)\+" n
 syntax match  jsDocParam        contained "\%(#\|\$\|\w\|\"\|-\|\.\|:\|{\|}\|\/\|\[\|]\|=\)\+"
 
 endif
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'javascript') == -1
+  
+syntax match  jsDocTags         contained /@\(link\|method[oO]f\|ngdoc\|ng[iI]nject\|restrict\)/ nextgroup=jsDocParam skipwhite
+syntax match  jsDocType         contained "\%(#\|\$\|\w\|\"\|-\|\.\|:\|\/\)\+" nextgroup=jsDocParam skipwhite
+syntax match  jsDocParam        contained "\%(#\|\$\|\w\|\"\|-\|\.\|:\|{\|}\|\/\|\[\|]\|=\)\+"
+
+endif
diff --git a/ftplugin/javascript.vim b/ftplugin/javascript.vim
deleted file mode 100644
index 2b085bc1..00000000
--- a/ftplugin/javascript.vim
+++ /dev/null
@@ -1,8 +0,0 @@
-if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'javascript') == -1
-  
-setlocal suffixesadd+=.js
-if (v:version < 704 || (v:version == 704 && !has('patch002'))) && exists('&regexpengine')
-  set re=1
-end
-
-endif
diff --git a/ftplugin/rust.vim b/ftplugin/rust.vim
index 2023656e..9943e657 100644
--- a/ftplugin/rust.vim
+++ b/ftplugin/rust.vim
@@ -195,6 +195,11 @@ let b:undo_ftplugin = "
 
 " }}}1
 
+" Code formatting on save
+if get(g:, "rustfmt_autosave", 0)
+	autocmd BufWritePre *.rs call rustfmt#Format()
+endif
+
 augroup END
 
 let &cpo = s:save_cpo
diff --git a/indent/haskell.vim b/indent/haskell.vim
index b2767e1e..7aa94367 100644
--- a/indent/haskell.vim
+++ b/indent/haskell.vim
@@ -60,7 +60,7 @@ if !exists('g:haskell_indent_guard')
 endif
 
 setlocal indentexpr=GetHaskellIndent()
-setlocal indentkeys=0{,0},0(,0),0[,0],!^F,o,O,0\=,0=where,0=let,0=deriving,0\,,<space>
+setlocal indentkeys=0{,0},0(,0),0[,0],!^F,o,O,0\=,0=where,0=let,0=deriving,<space>
 
 function! s:isInBlock(hlstack)
   return index(a:hlstack, 'haskellParens') > -1 || index(a:hlstack, 'haskellBrackets') > -1 || index(a:hlstack, 'haskellBlock') > -1
@@ -135,8 +135,34 @@ function! GetHaskellIndent()
   endif
 
   " comment indentation
-  if l:prevline =~ '^\s*--'
-    return match(l:prevline, '\S')
+  if l:line =~ '^\s*--'
+    return match(l:prevline, '-- ')
+  endif
+
+  "   { foo :: Int
+  " >>,
+  "
+  "   |
+  "   ...
+  " >>,
+  if l:line =~ '^\s*,'
+    if s:isInBlock(l:hlstack)
+      normal! 0
+      call search(',', 'cW')
+      let l:n = s:getNesting(s:getHLStack())
+      call search('[([{]', 'bW')
+
+      while l:n != s:getNesting(s:getHLStack())
+        call search('[([{]', 'bW')
+      endwhile
+
+      return col('.') - 1
+    else
+      let l:s = s:indentGuard(match(l:line, ','), l:prevline)
+      if l:s > -1
+        return l:s
+      end
+    endif
   endif
 
   " operator at end of previous line
@@ -362,32 +388,6 @@ function! GetHaskellIndent()
     endif
   endif
 
-  "   { foo :: Int
-  " >>,
-  "
-  "   |
-  "   ...
-  " >>,
-  if l:line =~ '^\s*,'
-    if s:isInBlock(l:hlstack)
-      normal! 0
-      call search(',', 'cW')
-      let l:n = s:getNesting(s:getHLStack())
-      call search('[(\[{]', 'bW')
-
-      while l:n != s:getNesting(s:getHLStack())
-        call search('[(\[{]', 'bW')
-      endwhile
-
-      return col('.') - 1
-    else
-      let l:s = s:indentGuard(match(l:line, ','), l:prevline)
-      if l:s > -1
-        return l:s
-      end
-    endif
-  endif
-
   "   |
   "   ...
   " >>|
diff --git a/indent/javascript.vim b/indent/javascript.vim
index 99ad0d44..add0dfb1 100644
--- a/indent/javascript.vim
+++ b/indent/javascript.vim
@@ -2,24 +2,23 @@ if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'javascript') ==
   
 " Vim indent file
 " Language: Javascript
+" Maintainer:   vim-javascript community
+" URL:          https://github.com/pangloss/vim-javascript
 " Acknowledgement: Based off of vim-ruby maintained by Nikolai Weibull http://vim-ruby.rubyforge.org
 
-" 0. Initialization {{{1
-" =================
-
 " Only load this indent file when no other was loaded.
 if exists("b:did_indent")
   finish
 endif
 let b:did_indent = 1
 
-setlocal nosmartindent
-
 " Now, set up our indentation expression and keys that trigger it.
 setlocal indentexpr=GetJavascriptIndent()
-setlocal formatexpr=Fixedgq(v:lnum,v:count)
-setlocal indentkeys=0{,0},0),0],0\,*<Return>,:,!^F,o,O,e
-setlocal cinoptions+=j1,J1,c1
+setlocal nolisp
+setlocal indentkeys=0{,0},0),0],:,!^F,o,O,e
+setlocal cinoptions+=j1,J1
+
+let b:undo_indent = 'setlocal indentexpr< indentkeys< cinoptions<'
 
 " Only define the function once.
 if exists("*GetJavascriptIndent")
@@ -40,96 +39,60 @@ else
   endfunc
 endif
 
-" 1. Variables {{{1
-" ============
-
 let s:line_pre = '^\s*\%(\/\*.*\*\/\s*\)*'
-let s:js_keywords = s:line_pre . '\%(break\|import\|export\|catch\|const\|continue\|debugger\|delete\|do\|else\|finally\|for\|function\|if\|in\|instanceof\|let\|new\|return\|switch\|this\|throw\|try\|typeof\|var\|void\|while\|with\)\>\C'
 let s:expr_case = s:line_pre . '\%(\%(case\>.*\)\|default\)\s*:\C'
 " Regex of syntax group names that are or delimit string or are comments.
 let s:syng_strcom = '\%(string\|regex\|special\|doc\|comment\|template\)\c'
 
-" Regex of syntax group names that are strings.
-let s:syng_string = 'regex\c'
-
 " Regex of syntax group names that are strings or documentation.
 let s:syng_comment = '\%(comment\|doc\)\c'
 
 " Expression used to check whether we should skip a match with searchpair().
-let s:skip_expr = "synIDattr(synID(line('.'),col('.'),1),'name') =~ '".s:syng_strcom."'"
+let s:skip_expr = "line('.') < (prevnonblank(v:lnum) - 2000) ? dummy : s:IsSyn(line('.'),col('.'),'')"
 
-func s:lookForParens(start,end,flags,stop)
-  try 
-    return searchpair(a:start,'',a:end,a:flags,s:skip_expr,a:stop,300)
+func s:lookForParens(start,end,flags,time)
+  try
+    return searchpair(a:start,'',a:end,a:flags,s:skip_expr,0,a:time)
   catch /E118/
-    return searchpair(a:start,'',a:end,a:flags,0,a:stop)
+    return searchpair(a:start,'',a:end,a:flags,0,0)
   endtry
 endfunc
 
-let s:line_term = '\s*\%(\%(\/\/.*\)\=\|\%(\/\*.*\*\/\s*\)*\)$'
-
-" Regex that defines continuation lines, not including (, {, or [.
-let s:continuation_regex = '\%([*.?:]\|+\@<!+\|-\@<!-\|\*\@<!\/\|=\|||\|&&\)' . s:line_term
+let s:line_term = '\s*\%(\%(:\@<!\/\/.*\)\=\|\%(\/\*.*\*\/\s*\)*\)$'
 
-let s:one_line_scope_regex = '\%(\<else\>\|=>\)\C' . s:line_term
+" configurable regexes that define continuation lines, not including (, {, or [.
+if !exists('g:javascript_opfirst')
+  let g:javascript_opfirst = '\%([,:?^%]\|\([-/.+]\)\%(\1\|\*\|\/\)\@!\|\*\/\@!\|=>\@!\||\|&\|in\%(stanceof\)\=\>\)\C'
+endif
+let g:javascript_opfirst = s:line_pre . g:javascript_opfirst
 
-function s:Onescope(lnum)
-  if getline(a:lnum) =~ s:one_line_scope_regex
-    return 1
-  end
-  let mypos = col('.')
-  call cursor(a:lnum, 1)
-  if search('.*\zs\<\%(while\|for\|if\)\>\s*(\C', 'ce', a:lnum) > 0 &&
-        \ s:lookForParens('(', ')', 'W', a:lnum) > 0 &&
-        \ col('.') == strlen(s:RemoveTrailingComments(getline(a:lnum)))
-    call cursor(a:lnum, mypos)
-    return 1
-  else
-    call cursor(a:lnum, mypos)
-    return 0
-  end
+if !exists('g:javascript_continuation')
+  let g:javascript_continuation = '\%([*,.?:^%]\|+\@<!+\|-\@<!-\|\*\@<!\/\|=\||\|&\|\<in\%(stanceof\)\=\)\C'
+endif
+let g:javascript_continuation .= s:line_term
+
+function s:Onescope(lnum,text,add)
+  return a:text =~ '\%(\<else\|\<do\|=>' . (a:add ? '\|\<try\|\<finally' : '' ) . '\)\C' . s:line_term ||
+        \ (a:add && a:text =~ s:line_pre . s:line_term && getline(s:PrevCodeLine(a:lnum - 1)) =~ ')' . s:line_term) ||
+        \ (cursor(a:lnum, match(a:text, ')' . s:line_term)) > -1 &&
+        \ s:lookForParens('(', ')', 'cbW', 100) > 0 &&
+        \ search((a:add ? '\%(function\*\|[A-Za-z_$][0-9A-Za-z_$]*\)\C' :
+        \ '\<\%(for\%(\s+each\)\=\|if\|let\|switch\|while\|with\)\C') . '\_s*\%#','bW')) &&
+        \ (a:add || (expand("<cword>") == 'while' ? !s:lookForParens('\<do\>\C', '\<while\>\C','bW',100) : 1))
 endfunction
 
-" Regex that defines blocks.
-let s:block_regex = '[{([]' . s:line_term
-
-let s:operator_first = s:line_pre . '\%([,:?]\|\([-/.+*]\)\%(\1\|\*\|\/\)\@!\|||\|&&\)'
-
-let s:var_stmt = s:line_pre . '\%(const\|let\|var\)\s\+\C'
-
-let s:comma_last = ',' . s:line_term
-
-" 2. Auxiliary Functions {{{1
-" ======================
+" Auxiliary Functions {{{2
 
 " Check if the character at lnum:col is inside a string, comment, or is ascii.
-function s:IsInStringOrComment(lnum, col)
-  return synIDattr(synID(a:lnum, a:col, 1), 'name') =~ s:syng_strcom
-endfunction
-
-" Check if the character at lnum:col is inside a string.
-function s:IsInString(lnum, col)
-  return synIDattr(synID(a:lnum, a:col, 1), 'name') =~ s:syng_string
-endfunction
-
-" Check if the character at lnum:col is inside a multi-line comment.
-function s:IsInComment(lnum, col)
-  return synIDattr(synID(a:lnum, a:col, 1), 'name') =~ s:syng_comment
+function s:IsSyn(lnum, col, reg)
+  return synIDattr(synID(a:lnum, a:col, 1), 'name') =~? (a:reg != '' ? a:reg : s:syng_strcom)
 endfunction
 
 " Find line above 'lnum' that isn't empty, in a comment, or in a string.
-function s:PrevNonBlankNonString(lnum)
+function s:PrevCodeLine(lnum)
   let lnum = prevnonblank(a:lnum)
   while lnum > 0
-    let line = getline(lnum)
-    let com = match(line, '\%(\/\*.*\)\@<!\*\/') + 1
-    if s:IsInComment(lnum, com)
-      call cursor(lnum, com)
-      let parlnum = search('\%(\/\/.*\)\@<!\/\*', 'nbW')
-      if parlnum > 0
-        let lnum = parlnum
-      end
-    elseif line !~ '^' . s:line_term && !s:IsInStringOrComment(lnum,1)
+    if !s:IsSyn(lnum, matchend(getline(lnum), '^\s*[^''"]'),'')
       break
     endif
     let lnum = prevnonblank(lnum - 1)
@@ -137,94 +100,6 @@ function s:PrevNonBlankNonString(lnum)
   return lnum
 endfunction
 
-" Find line above 'lnum' that started the continuation 'lnum' may be part of.
-function s:GetMSL(lnum, in_one_line_scope)
-  " Start on the line we're at and use its indent.
-  let msl = a:lnum
-  let lnum = s:PrevNonBlankNonString(a:lnum - 1)
-  while lnum > 0 && !s:Match(msl,s:line_pre . '[])}]')
-    " If we have a continuation line, or we're in a string, use line as MSL.
-    " Otherwise, terminate search as we have found our MSL already.
-    let line = getline(lnum)
-    let line2 = getline(msl)
-    if ((s:Match(lnum,s:continuation_regex) || s:Match(lnum, s:comma_last)) &&
-          \ !s:Match(lnum, s:expr_case)) || s:IsInString(lnum, strlen(line))
-      let msl = lnum
-      if s:Match(lnum, s:line_pre . '[]})]') && !a:in_one_line_scope
-        call cursor(lnum,1)
-        let parlnum = s:lookForParens('(\|{\|\[', ')\|}\|\]', 'nbW', 0)
-        if parlnum > 0
-          let lnum = parlnum
-          continue
-        end
-      end
-
-    else
-
-      " Don't use lines that are part of a one line scope as msl unless the
-      " flag in_one_line_scope is set to 1
-      "
-      if a:in_one_line_scope
-        break
-      end
-      let msl_one_line = s:Onescope(lnum)
-      if msl_one_line == 0
-        break
-      endif
-    end
-    let lnum = s:PrevNonBlankNonString(lnum - 1)
-  endwhile
-  return msl
-endfunction
-
-function s:RemoveTrailingComments(content)
-  let single = '\/\/\%(.*\)\s*$'
-  let multi = '\/\*\%(.*\)\*\/\s*$'
-  return substitute(substitute(substitute(a:content, single, '', ''), multi, '', ''), '\s\+$', '', '')
-endfunction
-
-" Find if the string is inside var statement (but not the first string)
-function s:InMultiVarStatement(lnum, cont, prev)
-  let lnum = s:PrevNonBlankNonString(a:lnum - 1)
-  let cont = a:cont
-  let prev = a:prev
-
-  "  let type = synIDattr(synID(lnum, indent(lnum) + 1, 0), 'name')
-
-  " loop through previous expressions to find a var statement
-  while lnum > 0 && (s:Match(lnum, s:comma_last) ||(cont && getline(lnum) =~ s:line_pre . '[]})]') ||
-        \ s:Match(lnum,s:continuation_regex)) || (prev && (s:Match(prev, s:comma_last) ||
-        \ s:Match(prev,s:continuation_regex)))
-    " if the line is a js keyword
-    if cont
-      let cont = 0
-      call cursor(lnum,1)
-      let parlnum = s:lookForParens('(\|{\|\[', ')\|}\|\]', 'nbW', 0)
-      if parlnum > 0
-        let lnum = parlnum
-      end
-    end
-    if s:Match(lnum, s:js_keywords)
-      " check if the line is a var stmt
-      " if the line has a comma first or comma last then we can assume that we
-      " are in a multiple var statement
-      if s:Match(lnum, s:var_stmt) && (s:Match(lnum, s:comma_last)||s:Match(lnum,s:continuation_regex))
-        return lnum
-      endif
-
-      " other js keywords, not a var
-      if !s:Match(lnum, s:comma_last)||!s:Match(lnum,s:continuation_regex)
-        return 0
-      end
-    endif
-    let lnum = s:PrevNonBlankNonString(lnum - 1)
-    let prev = prev && lnum > 0 ? prev : 0
-  endwhile
-
-  " beginning of program, not a var
-  return 0
-endfunction
-
 " Check if line 'lnum' has more opening brackets than closing ones.
 function s:LineHasOpeningBrackets(lnum)
   let open_0 = 0
@@ -232,335 +107,96 @@ function s:LineHasOpeningBrackets(lnum)
   let open_4 = 0
   let line = getline(a:lnum)
   let pos = match(line, '[][(){}]', 0)
+  let last = 0
   while pos != -1
-    if !s:IsInStringOrComment(a:lnum, pos + 1)
+    if !s:IsSyn(a:lnum, pos + 1, '')
       let idx = stridx('(){}[]', line[pos])
       if idx % 2 == 0
         let open_{idx} = open_{idx} + 1
+        let last = pos
       else
         let open_{idx - 1} = open_{idx - 1} - 1
       endif
     endif
     let pos = match(line, '[][(){}]', pos + 1)
   endwhile
-  return (open_0 > 0 ? 1 : (open_0 == 0 ? 0 : 2)) . (open_2 > 0 ? 1 : (open_2 == 0 ? 0 : 2)) . (open_4 > 0 ? 1 : (open_4 == 0 ? 0 : 2))
-endfunction
-
-function s:Match(lnum, regex)
-  let col = match(getline(a:lnum), a:regex) + 1
-  return col > 0 && !s:IsInStringOrComment(a:lnum, col) ? col : 0
-endfunction
-
-function s:IndentWithContinuation(lnum, ind, width)
-  " Set up variables to use and search for MSL to the previous line.
-  let p_lnum = a:lnum
-  let lnum = s:GetMSL(a:lnum, 1)
-  let line = getline(lnum)
-
-  " If the previous line wasn't a MSL and is continuation return its indent.
-  " TODO: the || s:IsInString() thing worries me a bit.
-  if p_lnum != lnum
-    if s:Match(p_lnum,s:continuation_regex)||s:IsInString(p_lnum,strlen(line))
-      return a:ind
-    endif
-  endif
-
-  " Set up more variables now that we know we aren't continuation bound.
-  let msl_ind = indent(lnum)
-
-  " If the previous line ended with [*+/.-=], start a continuation that
-  " indents an extra level.
-  if s:Match(lnum, s:continuation_regex)
-    if lnum == p_lnum
-      return msl_ind + a:width
-    else
-      return msl_ind
-    end
-  elseif s:InMultiVarStatement(p_lnum, 0, s:PrevNonBlankNonString(p_lnum - 1))
-    return indent(p_lnum) - s:sw()
-  endif
-
-  return a:ind
-endfunction
-
-function s:InOneLineScope(lnum)
-  let msl = s:GetMSL(a:lnum, 1)
-  if msl > 0 && s:Onescope(msl)
-    return msl
-  endif
-  return 0
-endfunction
-
-function s:ExitingOneLineScope(lnum)
-  let msl = s:GetMSL(a:lnum, 1)
-  if msl > 0
-    " if the current line is in a one line scope ..
-    if s:Onescope(msl)
-      return 0
-    else
-      let prev_msl = s:GetMSL(msl - 1, 1)
-      if s:Onescope(prev_msl)
-        return prev_msl
-      endif
-    endif
-  endif
-  return 0
+  return [(open_0 > 0 ? 1 : (open_0 == 0 ? 0 : 2)) . (open_2 > 0 ? 1 : (open_2 == 0 ? 0 : 2)) .
+        \ (open_4 > 0 ? 1 : (open_4 == 0 ? 0 : 2)), last]
 endfunction
-
-" 3. GetJavascriptIndent Function {{{1
-" =========================
+" }}}
 
 function GetJavascriptIndent()
-  " 3.1. Setup {{{1
-  " ----------
-  " Set up variables for restoring position in file.  Could use v:lnum here.
-  " Avoid use of line('.')/col('.') type functions as the curpos can change
-  let vcol = col('.')
-
-  " 3.2. Work on the current line {{{1
-  " -----------------------------
-
-  let ind = -1
+  if !exists('b:js_cache')
+    let b:js_cache = [0,0,0]
+  end
   " Get the current line.
   let line = getline(v:lnum)
   " previous nonblank line number
   let prevline = prevnonblank(v:lnum - 1)
   " previous line of code
-  let lnum = s:PrevNonBlankNonString(v:lnum - 1)
-
-  " to not change multiline string values 
-  if line !~ '^[''"`]' && synIDattr(synID(v:lnum, 1, 1), 'name') =~? 'string\|template'
-    return -1
+  let lnum = s:PrevCodeLine(v:lnum - 1)
+  if lnum == 0
+    return 0
   endif
 
-  " If we are in a multi-line comment, cindent does the right thing.
-  if line !~ '^\%(\/\*\|\s*\/\/\)' && s:IsInComment(v:lnum, 1)
-    return cindent(v:lnum)
+  " start with strings,comments,etc.{{{2
+  if (line !~ '^[''"`]' && s:IsSyn(v:lnum,1,'string\|template')) ||
+        \ (line !~ '^\s*[/*]' && s:IsSyn(v:lnum,1,s:syng_comment))
+    return -1
   endif
-
-  " single opening bracket will assume you want a c style of indenting
-  if line =~ s:line_pre . '{' && !s:Match(lnum,s:block_regex) &&
-        \ !s:Match(lnum,s:comma_last)
+  if line !~ '^\%(\/\*\|\s*\/\/\)' && s:IsSyn(v:lnum,1,s:syng_comment)
     return cindent(v:lnum)
   endif
 
-  " cindent each line which has a switch label
   if (line =~ s:expr_case)
-    let s:cpo_switch = &cpo
+    let cpo_switch = &cpo
     set cpo+=%
     let ind = cindent(v:lnum)
-    let &cpo = s:cpo_switch
-    return ind
-  endif
-
-  " If we got a closing bracket on an empty line, find its match and indent
-  " according to it.
-  let col = line =~ s:line_pre . '[]})]'
-  if col > 0
-    let parlnum = v:lnum
-    while col
-      call cursor(parlnum, 1)
-      let parlnum = s:lookForParens('(\|{\|\[', ')\|}\|\]', 'nbW', 0)
-      let col = s:Match(parlnum,  s:line_pre . '[]})]')
-      if col
-        continue
-      end
-      if parlnum > 0
-        let ind = s:InMultiVarStatement(parlnum, 0, 0)|| s:LineHasOpeningBrackets(parlnum) !~ '2' ?
-              \ indent(parlnum) : indent(s:GetMSL(parlnum, 0))
-      endif
-    endwhile
+    let &cpo = cpo_switch
     return ind
   endif
+  "}}}
 
-
-  " If line starts with an operator...
-  if (line =~ s:operator_first)
-    if (s:Match(lnum, s:operator_first) || (s:Match(lnum, s:line_pre . '[])}]') &&
-          \ !(s:Match(v:lnum,s:line_pre . '\.') && s:Match(lnum, ')' . s:line_term))))
-      " and so does previous line, don't indent
-      return indent(lnum)
+  " the containing paren, bracket, curly
+  let pcounts = [0]
+  if b:js_cache[0] >= lnum  && b:js_cache[0] <= v:lnum && b:js_cache[0] &&
+        \ (b:js_cache[0] > lnum || map(pcounts,'s:LineHasOpeningBrackets(lnum)')[0][0] !~ '2')
+    let num = pcounts[0][0] =~ '1' ? lnum : b:js_cache[1]
+    if pcounts[0][0] =~'1'
+      call cursor(lnum,pcounts[0][1])
     end
-    let counts = s:LineHasOpeningBrackets(lnum)
-    if counts =~ '2'
-      call cursor(lnum, 1)
-      " Search for the opening tag
-      let parlnum = s:lookForParens('(\|{\|\[', ')\|}\|\]', 'nbW', 0)
-      if parlnum > 0
-        return !s:Match(parlnum, s:operator_first) &&
-              \ synIDattr(synID(v:lnum, 1, 1), 'name') !~? 'jsbracket\|jsparen\|jsobject' ?
-              \ indent(lnum) + s:sw() : indent(parlnum)
-      end
-    elseif synIDattr(synID(v:lnum, 1, 1), 'name') !~? 'jsbracket\|jsparen\|jsobject'
-      " otherwise, if not in an key/val;array item;param, indent 1 level
-      return indent(lnum) + s:sw()
-    end
-
-    " If previous line starts with an operator...
-  elseif (s:Match(lnum, s:operator_first) && !s:Match(lnum,s:continuation_regex)) ||
-        \ getline(lnum) =~ '[]})];\=' . s:line_term
-    let counts = s:LineHasOpeningBrackets(lnum)
-    if counts =~ '2' && !s:Match(lnum, s:operator_first)
-      call cursor(lnum, 1)
-      " Search for the opening tag
-      let mnum = s:lookForParens('(\|{\|\[', ')\|}\|\]', 'nbW', 0)
-      if mnum > 0 && (s:Match(mnum, s:operator_first) ||
-            \ (s:Onescope(s:PrevNonBlankNonString(mnum - 1))) && !s:Match(mnum, s:line_pre . '{'))
-        return indent(mnum) - s:sw()
-      end
-    elseif s:Match(lnum, s:operator_first)
-      if counts !~ '1'
-        return indent(lnum) - s:sw()
-      end
+  else
+    call cursor(v:lnum,1)
+    let syns = synIDattr(synID(v:lnum, 1, 1), 'name')
+    if line[0] =~ '\s' && syns != ''
+      let pattern = syns =~? 'funcblock' ? ['{','}'] : syns =~? 'jsparen' ? ['(',')'] : syns =~? 'jsbracket'? ['\[','\]'] :
+            \ ['(\|{\|\[',')\|}\|\]']
+      let num = s:lookForParens(pattern[0],pattern[1],'bW',2000)
+    else
+      let num = s:lookForParens('(\|{\|\[',')\|}\|\]','bW',2000)
     end
   end
+  let b:js_cache = [v:lnum,num,line('.') == v:lnum ? b:js_cache[2] : col('.')]
 
-  " 3.3. Work on the previous line. {{{1
-  " -------------------------------
-
-  " If the line is empty and the previous nonblank line was a multi-line
-  " comment, use that comment's indent. Deduct one char to account for the
-  " space in ' */'.
-  if line =~ '^\s*$' && getline(prevline) =~ '\%(\%(^\s*\/\/\|\/\*\).*\)\@<!\*\/' &&
-        \ s:IsInComment(prevline, 1)
-    return indent(prevline) - 1
-  endif
-
-  " Find a non-blank, non-multi-line string line above the current line.
-
-  " If the line is empty and inside a string, use the previous line.
-  if line =~ '^\s*$' && lnum != prevline
-    return indent(prevnonblank(v:lnum))
-  endif
-
-  " At the start of the file use zero indent.
-  if lnum == 0
-    return 0
-  endif
-
-  " If the previous line ended with a block opening, add a level of indent.
-  if s:Match(lnum, s:block_regex)
-    return s:InMultiVarStatement(lnum, 0, 0) || s:LineHasOpeningBrackets(lnum) !~ '2' ?
-          \ indent(lnum) + s:sw() : indent(s:GetMSL(lnum, 0)) + s:sw()
-  endif
-
-  " Set up variables for current line.
-  let line = getline(lnum)
-  let ind = indent(lnum)
-  " If the previous line contained an opening bracket, and we are still in it,
-  " add indent depending on the bracket type.
-  if s:Match(lnum, '[[({})\]]')
-    let counts = s:LineHasOpeningBrackets(lnum)
-    if counts =~ '2'
-      call cursor(lnum,matchend(s:RemoveTrailingComments(line), '.*\zs[])}]'))
-      while s:lookForParens('(\|{\|\[', ')\|}\|\]', 'bW', 0) == lnum
-        call cursor(lnum, matchend(s:RemoveTrailingComments(strpart(line,0,col('.'))), '.*\zs[])}]'))
-      endwhile
-      let cur = line('.')
-      if cur < lnum && !s:InMultiVarStatement(cur,0,0)
-        return indent(s:GetMSL(cur, 0))
-      end
-    elseif counts =~ '1' || s:Onescope(lnum)
-      return ind + s:sw()
-    end
+  " most significant part
+  if line =~ s:line_pre . '[])}]'
+    return indent(num)
   end
-
-  " 3.4. Work on the MSL line. {{{1
-  " --------------------------
-  if s:Match(lnum, s:comma_last) && !s:Match(lnum,  s:continuation_regex)
-    return s:Match(lnum, s:var_stmt) ? indent(lnum) + s:sw() : indent(lnum)
-
-  elseif s:Match(s:PrevNonBlankNonString(lnum - 1), s:comma_last)
-    if !s:Match(lnum, s:comma_last) && s:InMultiVarStatement(lnum,1,0)
-      return indent(lnum) - s:sw()
-    end
+  let inb = num == 0 ? 1 : s:Onescope(num, strpart(getline(num),0,b:js_cache[2] - 1),1)
+  let switch_offset = (!inb || num == 0) || expand("<cword>") != 'switch' ? 0 : &cino !~ ':' || !has('float') ?  s:sw() :
+        \ float2nr(str2float(matchstr(&cino,'.*:\zs[-0-9.]*')) * (match(&cino,'.*:\zs[^,]*s') ? s:sw() : 1))
+  if ((line =~ g:javascript_opfirst ||
+        \ (getline(lnum) =~ g:javascript_continuation && getline(lnum) !~ s:expr_case)) &&
+        \ inb) || (s:Onescope(lnum,getline(lnum),0) && line !~ s:line_pre . '{')
+    return (num > 0 ? indent(num) : -s:sw()) + (s:sw() * 2) + switch_offset
+  elseif num > 0
+    return indent(num) + s:sw() + switch_offset
   end
-  let ind_con = ind
-  let ind = s:IndentWithContinuation(lnum, ind_con, s:sw())
-
-  " }}}2
-  "
-  "
-  let ols = s:InOneLineScope(lnum)
-  if ols > 0
-    let ind = ind + s:sw()
-  else
-    let ols = s:ExitingOneLineScope(lnum)
-    while ols > 0 && ind > 0
-      let ind = ind - s:sw()
-      let ols = s:InOneLineScope(ols - 1)
-    endwhile
-  endif
 
-  return ind
 endfunction
 
-" }}}1
 
 let &cpo = s:cpo_save
 unlet s:cpo_save
-" gq{{{2
-function! Fixedgq(lnum, count)
-  let l:tw = &tw ? &tw : 80;
-
-  let l:count = a:count
-  let l:first_char = indent(a:lnum) + 1
-
-  if mode() == 'i' " gq was not pressed, but tw was set
-    return 1
-  endif
-
-  " This gq is only meant to do code with strings, not comments
-  if s:IsInComment(a:lnum, l:first_char)
-    return 1
-  endif
-
-  if len(getline(a:lnum)) < l:tw && l:count == 1 " No need for gq
-    return 1
-  endif
-
-  " Put all the lines on one line and do normal spliting after that
-  if l:count > 1
-    while l:count > 1
-      let l:count -= 1
-      normal J
-    endwhile
-  endif
-
-  let l:winview = winsaveview()
-
-  call cursor(a:lnum, l:tw + 1)
-  let orig_breakpoint = searchpairpos(' ', '', '\.', 'bcW', '', a:lnum)
-  call cursor(a:lnum, l:tw + 1)
-  let breakpoint = searchpairpos(' ', '', '\.', 'bcW', s:skip_expr, a:lnum)
-
-  " No need for special treatment, normal gq handles edgecases better
-  if breakpoint[1] == orig_breakpoint[1]
-    call winrestview(l:winview)
-    return 1
-  endif
-
-  " Try breaking after string
-  if breakpoint[1] <= indent(a:lnum)
-    call cursor(a:lnum, l:tw + 1)
-    let breakpoint = searchpairpos('\.', '', ' ', 'cW', s:skip_expr, a:lnum)
-  endif
-
-
-  if breakpoint[1] != 0
-    call feedkeys("r\<CR>")
-  else
-    let l:count = l:count - 1
-  endif
-
-  " run gq on new lines
-  if l:count == 1
-    call feedkeys("gqq")
-  endif
-
-  return 0
-endfunction
-"}}}
-" vim: foldmethod=marker:foldlevel=1
 
 endif
diff --git a/syntax/javascript.vim b/syntax/javascript.vim
index 6bbeab93..20c5b1e6 100644
--- a/syntax/javascript.vim
+++ b/syntax/javascript.vim
@@ -14,13 +14,13 @@ if !exists("main_syntax")
   let main_syntax = 'javascript'
 endif
 
-if !exists('g:javascript_conceal')
-  let g:javascript_conceal = 0
+" Dollar sign is permitted anywhere in an identifier
+if v:version > 704 || v:version == 704 && has('patch1142')
+  syntax iskeyword @,48-57,_,192-255,$
+else
+  setlocal iskeyword+=$
 endif
 
-" Dollar sign is permittd anywhere in an identifier
-setlocal iskeyword+=$
-
 syntax sync fromstart
 " TODO: Figure out what type of casing I need
 " syntax case ignore
@@ -31,7 +31,8 @@ syntax match   jsFuncCall       /\k\+\%(\s*(\)\@=/
 syntax match   jsParensError    /[)}\]]/
 
 " Program Keywords
-syntax keyword jsStorageClass   const var let skipwhite skipempty nextgroup=jsDestructuringBlock,jsDestructuringArray
+syntax keyword jsStorageClass   const var let skipwhite skipempty nextgroup=jsDestructuringBlock,jsDestructuringArray,jsVariableDef
+syntax match   jsVariableDef    contained /\k\+/ nextgroup=jsFlowDefinition
 syntax keyword jsOperator       delete instanceof typeof void new in of
 syntax match   jsOperator       /[\!\|\&\+\-\<\>\=\%\/\*\~\^]\{1}/
 syntax keyword jsBooleanTrue    true
@@ -44,7 +45,7 @@ syntax keyword jsModuleOperators contained from
 syntax keyword jsModuleOperators contained as
 syntax region  jsModuleGroup     contained matchgroup=jsBraces start=/{/ end=/}/ contains=jsModuleOperators,jsNoise,jsComment
 syntax match   jsModuleAsterisk  contained /*/
-syntax keyword jsModuleDefault   contained default skipwhite kipempty nextgroup=@jsExpression
+syntax keyword jsModuleDefault   contained default skipwhite skipempty nextgroup=@jsExpression
 syntax region  jsImportContainer start=/\<import\> / end="\%(;\|$\)" contains=jsModuleKeywords,jsModuleOperators,jsComment,jsString,jsTemplateString,jsNoise,jsModuleGroup,jsModuleAsterisk
 syntax region  jsExportContainer start=/\<export\> / end="\%(;\|$\)" contains=jsModuleKeywords,jsModuleOperators,jsStorageClass,jsModuleDefault,@jsExpression
 syntax region  jsExportBlock     contained matchgroup=jsBraces start=/{/ end=/}/ contains=jsModuleOperators,jsNoise,jsComment
@@ -54,9 +55,9 @@ syntax region  jsString           start=+"+  skip=+\\\("\|$\)+  end=+"\|$+  cont
 syntax region  jsString           start=+'+  skip=+\\\('\|$\)+  end=+'\|$+  contains=jsSpecial,@Spell extend
 syntax region  jsTemplateString   start=+`+  skip=+\\\(`\|$\)+  end=+`+     contains=jsTemplateVar,jsSpecial extend
 syntax match   jsTaggedTemplate   /\k\+\%(`\)\@=/ nextgroup=jsTemplateString
-syntax match   jsNumber           /\<-\=\d\+\(L\|[eE][+-]\=\d\+\)\=\>\|\<0[xX]\x\+\>/
+syntax match   jsNumber           /\<\d\+\%([eE][+-]\=\d\+\)\=\>\|\<0[bB][01]\+\>\|\<0[oO]\o\+\>\|\<0[xX]\x\+\>/
 syntax keyword jsNumber           Infinity
-syntax match   jsFloat            /\<-\=\%(\d\+\.\d\+\|\d\+\.\|\.\d\+\)\%([eE][+-]\=\d\+\)\=\>/
+syntax match   jsFloat            /\<\%(\d\+\.\d\+\|\d\+\.\|\.\d\+\)\%([eE][+-]\=\d\+\)\=\>/
 
 " Regular Expressions
 syntax match   jsSpecial          contained "\v\\%(0|\\x\x\{2\}\|\\u\x\{4\}\|\c[A-Z]|.)"
@@ -75,7 +76,7 @@ else
 endif
 syntax cluster jsRegexpSpecial    contains=jsSpecial,jsRegexpBoundary,jsRegexpBackRef,jsRegexpQuantifier,jsRegexpOr,jsRegexpMod
 
-syntax match   jsObjectKey         contained /\<[0-9a-zA-Z_$]*\>\(\s*:\)\@=/ contains=jsFunctionKey skipwhite skipempty nextgroup=jsObjectValue,jsFlowParenRegion
+syntax match   jsObjectKey         contained /\<[0-9a-zA-Z_$]*\>\(\s*:\)\@=/ contains=jsFunctionKey skipwhite skipempty nextgroup=jsObjectValue
 syntax region  jsObjectKeyString   contained start=+"+  skip=+\\\("\|$\)+  end=+"\|$+  contains=jsSpecial,@Spell skipwhite skipempty nextgroup=jsObjectValue
 syntax region  jsObjectKeyString   contained start=+'+  skip=+\\\('\|$\)+  end=+'\|$+  contains=jsSpecial,@Spell skipwhite skipempty nextgroup=jsObjectValue
 syntax region  jsObjectKeyComputed contained matchgroup=jsBrackets start=/\[/ end=/]/ contains=@jsExpression skipwhite skipempty nextgroup=jsObjectValue,jsFuncArgs extend
@@ -97,10 +98,11 @@ exe 'syntax keyword jsSuper     super  contained '.(exists('g:javascript_conceal
 
 " Statement Keywords
 syntax keyword jsStatement    contained break continue with yield debugger
-syntax keyword jsConditional            if else      skipwhite skipempty nextgroup=jsParenIfElse,jsBlock
+syntax keyword jsConditional            if           skipwhite skipempty nextgroup=jsParenIfElse
+syntax keyword jsConditional            else         skipwhite skipempty nextgroup=jsCommentMisc,jsBlock
 syntax keyword jsConditional            switch       skipwhite skipempty nextgroup=jsParenSwitch
 syntax keyword jsRepeat                 while for    skipwhite skipempty nextgroup=jsParenRepeat
-syntax keyword jsRepeat                 do           skipwhite skipempty nextgroup=jsBlock
+syntax keyword jsDo                     do           skipwhite skipempty nextgroup=jsBlock
 syntax keyword jsLabel        contained case default
 syntax keyword jsTry                    try          skipwhite skipempty nextgroup=jsTryCatchBlock
 syntax keyword jsFinally      contained finally      skipwhite skipempty nextgroup=jsBlock
@@ -111,6 +113,8 @@ syntax match   jsSwitchColon  contained /:/          skipwhite skipempty nextgro
 
 " Keywords
 syntax keyword jsGlobalObjects  Array Boolean Date Function Iterator Number Object Symbol Map WeakMap Set RegExp String Proxy Promise Buffer ParallelArray ArrayBuffer DataView Float32Array Float64Array Int16Array Int32Array Int8Array Uint16Array Uint32Array Uint8Array Uint8ClampedArray JSON Math console document window Intl Collator DateTimeFormat NumberFormat
+syntax keyword jsGlobalNodeObjects module exports global process
+syntax match   jsGlobalNodeObjects /require/ contains=jsFuncCall
 syntax keyword jsExceptions     Error EvalError InternalError RangeError ReferenceError StopIteration SyntaxError TypeError URIError
 syntax keyword jsBuiltins       decodeURI decodeURIComponent encodeURI encodeURIComponent eval isFinite isNaN parseFloat parseInt uneval
 " DISCUSS: How imporant is this, really? Perhaps it should be linked to an error because I assume the keywords are reserved?
@@ -133,12 +137,12 @@ syntax keyword jsHtmlEvents     onblur onclick oncontextmenu ondblclick onfocus
 "" Code blocks
 syntax region  jsBracket                      matchgroup=jsBrackets            start=/\[/ end=/\]/ contains=@jsExpression extend fold
 syntax region  jsParen                        matchgroup=jsParens              start=/(/  end=/)/  contains=@jsAll extend fold
-syntax region  jsParenIfElse        contained matchgroup=jsParens              start=/(/  end=/)/  contains=@jsAll skipwhite skipempty nextgroup=jsBlock extend fold
-syntax region  jsParenRepeat        contained matchgroup=jsParens              start=/(/  end=/)/  contains=@jsAll skipwhite skipempty nextgroup=jsBlock extend fold
+syntax region  jsParenIfElse        contained matchgroup=jsParens              start=/(/  end=/)/  contains=@jsAll skipwhite skipempty nextgroup=jsCommentMisc,jsBlock extend fold
+syntax region  jsParenRepeat        contained matchgroup=jsParens              start=/(/  end=/)/  contains=@jsAll skipwhite skipempty nextgroup=jsCommentMisc,jsBlock extend fold
 syntax region  jsParenSwitch        contained matchgroup=jsParens              start=/(/  end=/)/  contains=@jsAll skipwhite skipempty nextgroup=jsSwitchBlock extend fold
 syntax region  jsParenCatch         contained matchgroup=jsParens              start=/(/  end=/)/  skipwhite skipempty nextgroup=jsTryCatchBlock extend fold
-syntax region  jsFuncArgs           contained matchgroup=jsFuncParens          start=/(/  end=/)/  contains=jsFuncArgCommas,jsComment,jsFuncArgExpression,jsDestructuringBlock,jsRestExpression,jsFlow skipwhite skipempty nextgroup=jsFuncBlock,jsFlowReturn extend fold
-syntax region  jsClassBlock         contained matchgroup=jsClassBraces         start=/{/  end=/}/  contains=jsClassFuncName,jsClassMethodType,jsOperator,jsArrowFunction,jsArrowFuncArgs,jsComment,jsGenerator,jsDecorator,jsClassProperty,jsClassPropertyComputed,jsClassStringKey,jsNoise,jsFlowClassProperty extend fold
+syntax region  jsFuncArgs           contained matchgroup=jsFuncParens          start=/(/  end=/)/  contains=jsFuncArgCommas,jsComment,jsFuncArgExpression,jsDestructuringBlock,jsRestExpression,jsFlowArgumentDef skipwhite skipempty nextgroup=jsCommentFunction,jsFuncBlock,jsFlowReturn extend fold
+syntax region  jsClassBlock         contained matchgroup=jsClassBraces         start=/{/  end=/}/  contains=jsClassFuncName,jsClassMethodType,jsArrowFunction,jsArrowFuncArgs,jsComment,jsGenerator,jsDecorator,jsClassProperty,jsClassPropertyComputed,jsClassStringKey,jsNoise extend fold
 syntax region  jsFuncBlock          contained matchgroup=jsFuncBraces          start=/{/  end=/}/  contains=@jsAll extend fold
 syntax region  jsBlock              contained matchgroup=jsBraces              start=/{/  end=/}/  contains=@jsAll extend fold
 syntax region  jsTryCatchBlock      contained matchgroup=jsBraces              start=/{/  end=/}/  contains=@jsAll skipwhite skipempty nextgroup=jsCatch,jsFinally extend fold
@@ -152,7 +156,7 @@ syntax region  jsRestExpression     contained matchgroup=jsRestOperator        s
 syntax region  jsTernaryIf                    matchgroup=jsTernaryIfOperator   start=/?/  end=/\%(:\|[\}]\@=\)/  contains=@jsExpression
 
 syntax match   jsGenerator            contained /\*/ skipwhite skipempty nextgroup=jsFuncName,jsFuncArgs
-syntax match   jsFuncName             contained /\<[a-zA-Z_$][0-9a-zA-Z_$]*\>/ skipwhite skipempty nextgroup=jsFuncArgs
+syntax match   jsFuncName             contained /\<[a-zA-Z_$][0-9a-zA-Z_$]*\>/ skipwhite skipempty nextgroup=jsFuncArgs,jsFlowFunctionGroup
 syntax region  jsFuncArgExpression    contained matchgroup=jsFuncArgOperator start=/=/ end=/[,)]\@=/ contains=@jsExpression extend
 syntax match   jsFuncArgCommas        contained ','
 syntax keyword jsArguments            contained arguments
@@ -168,7 +172,7 @@ exe 'syntax match jsArrowFunction /=>/      skipwhite skipempty nextgroup=jsFunc
 syntax keyword jsClassKeywords          contained extends class
 syntax match   jsClassNoise             contained /\./
 syntax match   jsClassMethodType        contained /\%(get\|set\|static\|async\)\%( \k\+\)\@=/ skipwhite skipempty nextgroup=jsFuncName,jsClassProperty
-syntax match   jsClassDefinition        /\<class\>\%( [a-zA-Z_$][0-9a-zA-Z_$ \n.]*\)*/ contains=jsClassKeywords,jsClassNoise skipwhite skipempty nextgroup=jsClassBlock,jsFlowClass
+syntax match   jsClassDefinition        /\<class\>\%( [a-zA-Z_$][0-9a-zA-Z_$ \n.]*\)*/ contains=jsClassKeywords,jsClassNoise skipwhite skipempty nextgroup=jsCommentClass,jsClassBlock,jsFlowClassGroup
 syntax match   jsDecorator              contained "@" nextgroup=jsDecoratorFunction
 syntax match   jsDecoratorFunction      contained "[a-zA-Z_][a-zA-Z0-9_.]*"
 syntax match   jsClassProperty          contained /\<[0-9a-zA-Z_$]*\>\(\s*=\)\@=/ skipwhite skipempty nextgroup=jsClassValue
@@ -193,6 +197,16 @@ syntax region  jsComment        start=/\/\// end=/$/ contains=jsCommentTodo,@Spe
 syntax region  jsComment        start=/\/\*/  end=/\*\// contains=jsCommentTodo,@Spell fold extend keepend
 syntax region  jsEnvComment     start=/\%^#!/ end=/$/ display
 
+" Specialized Comments - These are special comment regexes that are used in
+" odd places that maintain the proper nextgroup functionality. It sucks we
+" can't make jsComment a skippable type of group for nextgroup
+syntax region  jsCommentFunction    contained start=/\/\// end=/$/    contains=jsCommentTodo,@Spell skipwhite skipempty nextgroup=jsFuncBlock,jsFlowReturn extend keepend
+syntax region  jsCommentFunction    contained start=/\/\*/ end=/\*\// contains=jsCommentTodo,@Spell skipwhite skipempty nextgroup=jsFuncBlock,jsFlowReturn fold extend keepend
+syntax region  jsCommentClass       contained start=/\/\// end=/$/    contains=jsCommentTodo,@Spell skipwhite skipempty nextgroup=jsClassBlock,jsFlowClassGroup extend keepend
+syntax region  jsCommentClass       contained start=/\/\*/ end=/\*\// contains=jsCommentTodo,@Spell skipwhite skipempty nextgroup=jsClassBlock,jsFlowClassGroup fold extend keepend
+syntax region  jsCommentMisc        contained start=/\/\// end=/$/    contains=jsCommentTodo,@Spell skipwhite skipempty nextgroup=jsBlock extend keepend
+syntax region  jsCommentMisc        contained start=/\/\*/ end=/\*\// contains=jsCommentTodo,@Spell skipwhite skipempty nextgroup=jsBlock fold extend keepend
+
 if exists("javascript_plugin_jsdoc")
   runtime extras/jsdoc.vim
   " NGDoc requires JSDoc
@@ -205,7 +219,7 @@ if exists("javascript_plugin_flow")
   runtime extras/flow.vim
 endif
 
-syntax cluster jsExpression  contains=jsBracket,jsParen,jsObject,jsBlock,jsTernaryIf,jsTaggedTemplate,jsTemplateString,jsString,jsRegexpString,jsNumber,jsFloat,jsOperator,jsBooleanTrue,jsBooleanFalse,jsNull,jsFunction,jsArrowFunction,jsGlobalObjects,jsExceptions,jsFutureKeys,jsDomErrNo,jsDomNodeConsts,jsHtmlEvents,jsFuncCall,jsUndefined,jsNan,jsPrototype,jsBuiltins,jsNoise,jsClassDefinition,jsArrowFunction,jsArrowFuncArgs,jsParensError,jsComment,jsArguments,jsThis,jsSuper
+syntax cluster jsExpression  contains=jsBracket,jsParen,jsObject,jsBlock,jsTernaryIf,jsTaggedTemplate,jsTemplateString,jsString,jsRegexpString,jsNumber,jsFloat,jsOperator,jsBooleanTrue,jsBooleanFalse,jsNull,jsFunction,jsArrowFunction,jsGlobalObjects,jsExceptions,jsFutureKeys,jsDomErrNo,jsDomNodeConsts,jsHtmlEvents,jsFuncCall,jsUndefined,jsNan,jsPrototype,jsBuiltins,jsNoise,jsClassDefinition,jsArrowFunction,jsArrowFuncArgs,jsParensError,jsComment,jsArguments,jsThis,jsSuper,jsDo
 syntax cluster jsAll         contains=@jsExpression,jsExportContainer,jsImportContainer,jsStorageClass,jsConditional,jsRepeat,jsReturn,jsStatement,jsException,jsTry,jsAsyncKeyword
 
 " Define the default highlighting.
@@ -243,6 +257,7 @@ if version >= 508 || !exists("did_javascript_syn_inits")
   HiLink jsLabel                Label
   HiLink jsReturn               Statement
   HiLink jsRepeat               Repeat
+  HiLink jsDo                   Repeat
   HiLink jsStatement            Statement
   HiLink jsException            Exception
   HiLink jsTry                  Exception
@@ -264,7 +279,7 @@ if version >= 508 || !exists("did_javascript_syn_inits")
   HiLink jsStorageClass         StorageClass
   HiLink jsClassKeywords        Structure
   HiLink jsThis                 Special
-  HiLink jsSuper                Special
+  HiLink jsSuper                Constant
   HiLink jsNan                  Number
   HiLink jsNull                 Type
   HiLink jsUndefined            Type
@@ -285,9 +300,10 @@ if version >= 508 || !exists("did_javascript_syn_inits")
   HiLink jsSpecial              Special
   HiLink jsTemplateVar          Special
   HiLink jsTemplateBraces       jsBraces
-  HiLink jsGlobalObjects        Special
-  HiLink jsExceptions           Special
-  HiLink jsBuiltins             Special
+  HiLink jsGlobalObjects        Constant
+  HiLink jsGlobalNodeObjects    Constant
+  HiLink jsExceptions           Constant
+  HiLink jsBuiltins             Constant
   HiLink jsModuleKeywords       Include
   HiLink jsModuleOperators      Include
   HiLink jsModuleDefault        Include
@@ -302,12 +318,17 @@ if version >= 508 || !exists("did_javascript_syn_inits")
   HiLink jsSwitchColon          Noise
   HiLink jsClassMethodType      Type
   HiLink jsObjectMethodType     Type
+  HiLink jsClassDefinition      jsFuncName
 
   HiLink jsDestructuringBraces     Noise
   HiLink jsDestructuringProperty   jsFuncArgs
   HiLink jsDestructuringAssignment jsObjectKey
   HiLink jsDestructuringNoise      Noise
 
+  HiLink jsCommentFunction      jsComment
+  HiLink jsCommentClass         jsComment
+  HiLink jsCommentMisc          jsComment
+
   HiLink jsDomErrNo             Constant
   HiLink jsDomNodeConsts        Constant
   HiLink jsDomElemAttrs         Label