diff --git a/README.md b/README.md
index 513129e..1cd79f4 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# vim-javascript v1.0.0
+# vim-javascript
 
 JavaScript bundle for vim, this bundle provides syntax highlighting and
 improved indentation.
@@ -35,24 +35,37 @@ And install it:
 
 ## Configuration Variables
 
-The following variables control certain syntax highlighting features. You can
-add them to your `.vimrc` to enable/disable their features.
+The following variables control certain syntax highlighting plugins. You can
+add them to your `.vimrc` to enable their features.
+
+-----------------
 
 ```
-let g:javascript_enable_domhtmlcss = 1
+let g:javascript_plugin_jsdoc = 1
 ```
 
-Enables HTML/CSS syntax highlighting in your JavaScript file.
+Enables syntax highlighting for [JSDocs](http://usejsdoc.org/).
 
 Default Value: 0
 
 -----------------
 
 ```
-let g:javascript_ignore_javaScriptdoc = 1
+let g:javascript_plugin_ngdoc = 1
 ```
 
-Disables JSDoc syntax highlighting
+Enables some additional syntax highlighting for NGDocs. Requires JSDoc plugin
+to be enabled as well.
+
+Default Value: 0
+
+-----------------
+
+```
+let g:javascript_plugin_flow = 1
+```
+
+Enables syntax highlighting for [Flow](https://flowtype.org/).
 
 Default Value: 0
 
@@ -84,6 +97,9 @@ variables:
     let g:javascript_conceal_super          = "Ω"
     let g:javascript_conceal_arrow_function = "⇒"
 
+## Indentation Specific
+
+* `:h cino-:`
 
 ## Contributing
 
@@ -101,18 +117,6 @@ proposed change and how it is valuable.
 Report a bug on [GitHub Issues](https://github.com/pangloss/vim-javascript/issues).
 
 
-## A Quick Note on Regexes
-
-Vim 7.4 with patches LESS than 1-7 exhibits a bug that broke how we handle
-javascript regexes. Please update to a newer version or run the following
-commands to fix:
-
-```
-:set regexpengine=1
-:syntax enable
-```
-
-
 ## License
 
 Distributed under the same terms as Vim itself. See `:help license`.
diff --git a/after/ftplugin/javascript.vim b/after/ftplugin/javascript.vim
new file mode 100644
index 0000000..c6c42d6
--- /dev/null
+++ b/after/ftplugin/javascript.vim
@@ -0,0 +1,12 @@
+" Vim filetype plugin file
+" Language:     JavaScript
+" Maintainer:   vim-javascript community
+" URL:          https://github.com/pangloss/vim-javascript
+
+setlocal iskeyword+=$ suffixesadd+=.js
+
+if exists('b:undo_ftplugin')
+  let b:undo_ftplugin .= ' | setlocal iskeyword< suffixesadd<'
+else
+  let b:undo_ftplugin = 'setlocal iskeyword< suffixesadd<'
+endif
diff --git a/extras/flow.vim b/extras/flow.vim
new file mode 100644
index 0000000..028ea3f
--- /dev/null
+++ b/extras/flow.vim
@@ -0,0 +1,87 @@
+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 /[0-9a-zA-Z_.]*/ 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
diff --git a/extras/jsdoc.vim b/extras/jsdoc.vim
new file mode 100644
index 0000000..645d55a
--- /dev/null
+++ b/extras/jsdoc.vim
@@ -0,0 +1,39 @@
+"" 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
diff --git a/extras/ngdoc.vim b/extras/ngdoc.vim
new file mode 100644
index 0000000..c513d87
--- /dev/null
+++ b/extras/ngdoc.vim
@@ -0,0 +1,3 @@
+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\|\"\|-\|\.\|:\|{\|}\|\/\|\[\|]\|=\)\+"
diff --git a/ftdetect/javascript.vim b/ftdetect/javascript.vim
index 036b352..d6aa6d0 100644
--- a/ftdetect/javascript.vim
+++ b/ftdetect/javascript.vim
@@ -3,7 +3,7 @@ au BufNewFile,BufRead *.jsm setf javascript
 au BufNewFile,BufRead Jakefile setf javascript
 
 fun! s:SelectJavascript()
-  if getline(1) =~# '^#!.*/bin/env\s\+node\>'
+  if getline(1) =~# '^#!.*/bin/\%(env\s\+\)\?node\>'
     set ft=javascript
   endif
 endfun
diff --git a/ftplugin/javascript.vim b/ftplugin/javascript.vim
deleted file mode 100644
index 9e2fc9b..0000000
--- a/ftplugin/javascript.vim
+++ /dev/null
@@ -1 +0,0 @@
-setlocal suffixesadd+=.js
diff --git a/indent/javascript.vim b/indent/javascript.vim
index 8077890..b72ff92 100644
--- a/indent/javascript.vim
+++ b/indent/javascript.vim
@@ -1,25 +1,25 @@
 " Vim indent file
 " Language: Javascript
-" Acknowledgement: Based off of vim-ruby maintained by Nikolai Weibull http://vim-ruby.rubyforge.org
-
-" 0. Initialization {{{1
-" =================
+" Maintainer: Chris Paul ( https://github.com/bounceme )
+" URL: https://github.com/pangloss/vim-javascript
+" Last Change: November 6, 2016
 
 " Only load this indent file when no other was loaded.
-if exists("b:did_indent")
+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\,:,!^F,o,O,e
+setlocal autoindent nolisp nosmartindent
+setlocal indentkeys=0{,0},0),0],:,!^F,o,O,e
+setlocal cinoptions+=j1,J1
+
+let b:undo_indent = 'setlocal indentexpr< smartindent< autoindent< indentkeys< cinoptions<'
 
 " Only define the function once.
-if exists("*GetJavascriptIndent")
+if exists('*GetJavascriptIndent')
   finish
 endif
 
@@ -28,584 +28,235 @@ set cpo&vim
 
 " Get shiftwidth value
 if exists('*shiftwidth')
-  func s:sw()
+  function s:sw()
     return shiftwidth()
-  endfunc
+  endfunction
 else
-  func s:sw()
+  function s:sw()
     return &sw
-  endfunc
+  endfunction
 endif
 
-" 1. Variables {{{1
-" ============
+let s:case_stmt = '\<\%(case\>\s*[^ \t:].*\|default\s*\):\C'
 
-let s:js_keywords = '^\s*\(break\|catch\|const\|continue\|debugger\|delete\|do\|else\|finally\|for\|function\|if\|in\|instanceof\|let\|new\|return\|switch\|this\|throw\|try\|typeof\|var\|void\|while\|with\)'
-let s:expr_case = '^\s*\(case\s\+[^\:]*\|default\)\s*:\s*'
 " Regex of syntax group names that are or delimit string or are comments.
-let s:syng_strcom = '\%(\%(template\)\@<!string\|regex\|comment\)\c'
-
-" Regex of syntax group names that are or delimit template strings
-let s:syng_template = '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_multiline = 'comment\c'
-
-" Regex of syntax group names that are line comment.
-let s:syng_linecom = 'linecomment\c'
-
+let s:syng_strcom = 'string\|comment\|regex\|special\|doc\|template'
 " 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:line_term = '\s*\%(\%(\/\/\).*\)\=$'
-
-" Regex that defines continuation lines, not including (, {, or [.
-let s:continuation_regex = '\%([\\*/.:]\|+\@<!+\|-\@<!-\|\%(<%\)\@<!=\|\W[|&?]\|||\|&&\|[^=]=[^=>].*,\)' . s:line_term
-
-" Regex that defines continuation lines.
-" TODO: this needs to deal with if ...: and so on
-let s:msl_regex = s:continuation_regex.'\|'.s:expr_case
-
-let s:one_line_scope_regex = '\%(\%(\<else\>\|\<\%(if\|for\|while\)\>\s*(\%([^()]*\|[^()]*(\%([^()]*\|[^()]*(\%([^()]*\|[^()]*([^()]*)[^()]*\))[^()]*\))[^()]*\))\)\|=>\)' . s:line_term
-
-" Regex that defines blocks.
-let s:block_regex = '\%([{([]\)\s*\%(|\%([*@]\=\h\w*,\=\s*\)\%(,\s*[*@]\=\h\w*\)*|\)\=' . s:line_term
-
-let s:operator_first = '^\s*\%([*/.:?]\|\([-+]\)\1\@!\|||\|&&\)'
-
-let s:var_stmt = '^\s*\%(const\|let\|var\)'
-
-let s:comma_first = '^\s*,'
-let s:comma_last = ',\s*$'
+let s:skip_expr = "synIDattr(synID(line('.'),col('.'),0),'name') =~? '".s:syng_strcom."'"
+function s:skip_func(lnum)
+  if !s:free || search('`\|\*\/','nW',a:lnum)
+    let s:free = !eval(s:skip_expr . " . '\\|html'")
+    let s:looksyn = s:free ? line('.') : s:looksyn
+    return !s:free
+  endif
+  let s:looksyn = line('.')
+  return (search('\/','nbW',s:looksyn) || search('[''"\\]','nW',s:looksyn)) && eval(s:skip_expr . " . '\\|html'")
+endfunction
 
-let s:case_indent = s:sw()
-let s:case_indent_after = s:sw()
-let s:m = matchlist(&cinoptions, ':\(.\)')
-if (len(s:m) > 2)
-    let s:case_indent = s:m[1]
-endif
-let s:m = matchlist(&cinoptions, '=\(.\)')
-if (len(s:m) > 2)
-    let s:case_indent_after = s:m[1]
+if has('reltime')
+  function s:GetPair(start,end,flags,skip,time,...)
+    return searchpair(a:start,'',a:end,a:flags,a:skip,max([prevnonblank(v:lnum) - 2000,0] + a:000),a:time)
+  endfunction
+else
+  function s:GetPair(start,end,flags,skip,...)
+    return searchpair(a:start,'',a:end,a:flags,a:skip,max([prevnonblank(v:lnum) - 1000,get(a:000,1)]))
+  endfunction
 endif
-" 2. Auxiliary Functions {{{1
-" ======================
 
-" 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
+function s:current_char()
+  return getline('.')[col('.')-1]
 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
+function s:token()
+  return s:current_char() =~ '\k' ? expand('<cword>') : s:current_char()
 endfunction
 
-" Check if the character at lnum:col is inside a template string.
-function s:IsInTempl(lnum, col)
-  return synIDattr(synID(a:lnum, a:col, 1), 'name') =~ s:syng_template
+" NOTE: moves the cursor
+function s:previous_token()
+  return search('\<\|[][`^!"%-/:-?{-~]','bW') ? s:token() : ''
 endfunction
 
-" Check if the character at lnum:col is inside a multi-line comment.
-function s:IsInMultilineComment(lnum, col)
-  return !s:IsLineComment(a:lnum, a:col) && synIDattr(synID(a:lnum, a:col, 1), 'name') =~ s:syng_multiline
+function s:Trim(ln)
+  let pline = substitute(getline(a:ln),'\s*$','','')
+  let l:max = max([strridx(pline,'//'),strridx(pline,'/*'),0])
+  while l:max && synIDattr(synID(a:ln, strlen(pline), 0), 'name') =~? 'comment\|doc'
+    let pline = substitute(strpart(pline, 0, l:max),'\s*$','','')
+    let l:max = max([strridx(pline,'//'),strridx(pline,'/*'),0])
+  endwhile
+  return pline
 endfunction
 
-" Check if the character at lnum:col is a line comment.
-function s:IsLineComment(lnum, col)
-  return synIDattr(synID(a:lnum, a:col, 1), 'name') =~ s:syng_linecom
+" configurable regexes that define continuation lines, not including (, {, or [.
+let s:opfirst = '^' . get(g:,'javascript_opfirst',
+      \ '\%([<>,?^%|*/&]\|\([-.:+]\)\1\@!\|=>\@!\|in\%(stanceof\)\=\>\)')
+let s:continuation = get(g:,'javascript_continuation',
+      \ '\%([<=,.?/*^%|&:]\|+\@<!+\|-\@<!-\|=\@<!>\|\<in\%(stanceof\)\=\)') . '$'
+
+function s:OneScope(lnum,text)
+  if cursor(a:lnum, match(' ' . a:text, ')$')) + 1 &&
+        \ s:GetPair('(', ')', 'bW', s:skip_expr, 100) > 0
+    let token = s:previous_token()
+    if index(split('await each'),token) + 1
+      return s:previous_token() ==# 'for'
+    endif
+    return index(split('for if let while with'),token) + 1
+  endif
+  return cursor(a:lnum, match(' ' . a:text, '\%(\<else\|\<do\|=>\)$\C')) + 1
 endfunction
 
-" Find line above 'lnum' that isn't empty, in a comment, or in a string.
-function s:PrevNonBlankNonString(lnum)
-  let in_block = 0
-  let lnum = prevnonblank(a:lnum)
-  while lnum > 0
-    " Go in and out of blocks comments as necessary.
-    " If the line isn't empty (with opt. comment) or in a string, end search.
-    let line = getline(lnum)
-    if s:IsInMultilineComment(lnum, matchend(line, '/\*') - 1)
-      if in_block
-        let in_block = 0
-      else
+function s:iscontOne(i,num,cont)
+  let [l:i, l:cont, l:num] = [a:i, a:cont, a:num + !a:num]
+  let pind = a:num ? indent(l:num) + s:W : 0
+  let ind = indent(l:i) + (a:cont ? 0 : s:W)
+  let bL = 0
+  while l:i >= l:num && (!l:cont || ind > pind)
+    if indent(l:i) < ind " first line always true for !a:cont, false for !!a:cont
+      if s:OneScope(l:i,s:Trim(l:i))
+        let bL += s:W
+        let [l:cont, l:i] = [0, line('.')]
+      elseif !l:cont
         break
       endif
-    elseif !in_block && s:IsInMultilineComment(lnum, matchend(line, '\*/') - 1)
-      let in_block = 1
-    elseif !in_block && line !~ '^\s*\%(//\).*$' && !(s:IsInStringOrComment(lnum, 1) && s:IsInStringOrComment(lnum, strlen(line)))
+    elseif !a:cont
       break
     endif
-    let lnum = prevnonblank(lnum - 1)
-  endwhile
-  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
-    " 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 col = match(line, s:msl_regex) + 1
-    let line2 = getline(msl)
-    let col2 = matchend(line2, ')')
-    if (col > 0 && !s:IsInStringOrComment(lnum, col)) || s:IsInString(lnum, strlen(line))
-      let msl = lnum
-
-    " if there are more closing brackets, continue from the line which has the matching opening bracket
-    elseif col2 > 0 && !s:IsInStringOrComment(msl, col2) && s:LineHasOpeningBrackets(msl)[0] == '2' && !a:in_one_line_scope
-      call cursor(msl, 1)
-      if searchpair('(', '', ')', 'bW', s:skip_expr) > 0
-        let lnum = line('.')
-        let msl = lnum
-      endif
-
-    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:Match(lnum, s:one_line_scope_regex)
-      if msl_one_line == 0
-        break
-      endif
-    end
-    let lnum = s:PrevNonBlankNonString(lnum - 1)
+    let ind = min([ind, indent(l:i)])
+    let l:i = s:PrevCodeLine(l:i - 1)
   endwhile
-  return msl
+  return bL
 endfunction
 
-function s:RemoveTrailingComments(content)
-  let single = '\/\/\(.*\)\s*$'
-  let multi = '\/\*\(.*\)\*\/\s*$'
-  return substitute(substitute(a:content, single, '', ''), multi, '', '')
+" https://github.com/sweet-js/sweet.js/wiki/design#give-lookbehind-to-the-reader
+function s:IsBlock(...)
+  let l:ln = get(a:000,0,line('.'))
+  let char = s:previous_token()
+  let syn = char =~ '[{>/]' || l:ln != line('.') ? synIDattr(synID(line('.'),col('.')-(char == '{'),0),'name') : ''
+  if char is ''
+    return 1
+  elseif syn =~? 'xml\|jsx'
+    return char != '{'
+  elseif syn =~? 'comment'
+    return search('\/[/*]','bW') && s:IsBlock(l:ln)
+  elseif char == '>'
+    return getline('.')[col('.')-2] == '=' || syn =~? '^jsflow'
+  elseif char == ':'
+    return cursor(0,match(' ' . strpart(getline('.'),0,col('.')),'.*\zs' . s:case_stmt . '$')) + 1 &&
+          \ (expand('<cword>') !=# 'default' || s:previous_token() !~ '[,{]')
+  endif
+  return index(split('return const let import export yield default delete var void typeof throw new in instanceof'
+        \ . ' - = ~ ! < * + , / ? ^ % | & ( ['), char) < (0 + (line('.') != l:ln))
 endfunction
 
-" Find if the string is inside var statement (but not the first string)
-function s:InMultiVarStatement(lnum)
-  let lnum = s:PrevNonBlankNonString(a:lnum - 1)
-
-"  let type = synIDattr(synID(lnum, indent(lnum) + 1, 0), 'name')
-
-  " loop through previous expressions to find a var statement
-  while lnum > 0
-    let line = getline(lnum)
-
-    " if the line is a js keyword
-    if (line =~ 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 (line =~ s:var_stmt)
-        return lnum
-      endif
-
-      " other js keywords, not a var
-      return 0
+" Find line above 'lnum' that isn't empty, in a comment, or in a string.
+function s:PrevCodeLine(lnum)
+  let l:lnum = prevnonblank(a:lnum)
+  while l:lnum
+    let syn = synIDattr(synID(l:lnum,matchend(getline(l:lnum), '^\s*[^''"`]'),0),'name')
+    if syn =~? 'html'
+      return
+    elseif syn !~? s:syng_strcom
+      return l:lnum
     endif
-
-    let lnum = s:PrevNonBlankNonString(lnum - 1)
+    let l:lnum = prevnonblank(l:lnum - 1)
   endwhile
-
-  " beginning of program, not a var
-  return 0
-endfunction
-
-" Find line above with beginning of the var statement or returns 0 if it's not
-" this statement
-function s:GetVarIndent(lnum)
-  let lvar = s:InMultiVarStatement(a:lnum)
-  let prev_lnum = s:PrevNonBlankNonString(a:lnum - 1)
-
-  if lvar
-    let line = s:RemoveTrailingComments(getline(prev_lnum))
-
-    " if the previous line doesn't end in a comma, return to regular indent
-    if (line !~ s:comma_last)
-      return indent(prev_lnum) - s:sw()
-    else
-      return indent(lvar) + s:sw()
-    endif
-  endif
-
-  return -1
 endfunction
 
-
-" Check if line 'lnum' has more opening brackets than closing ones.
-function s:LineHasOpeningBrackets(lnum)
-  let open_0 = 0
-  let open_2 = 0
-  let open_4 = 0
-  let line = getline(a:lnum)
-  let pos = match(line, '[][(){}]', 0)
+" Check if line 'lnum' has a balanced amount of parentheses.
+function s:Balanced(lnum)
+  let l:open = 0
+  let l:line = getline(a:lnum)
+  let pos = match(l:line, '[][(){}]', 0)
   while pos != -1
-    if !s:IsInStringOrComment(a:lnum, pos + 1)
-      let idx = stridx('(){}[]', line[pos])
-      if idx % 2 == 0
-        let open_{idx} = open_{idx} + 1
-      else
-        let open_{idx - 1} = open_{idx - 1} - 1
+    if synIDattr(synID(a:lnum,pos + 1,0),'name') !~? s:syng_strcom
+      let l:open += match(' ' . l:line[pos],'[[({]')
+      if l:open < 0
+        return
       endif
     endif
-    let pos = match(line, '[][(){}]', pos + 1)
+    let pos = match(l:line, '[][(){}]', pos + 1)
   endwhile
-  return (open_0 > 0 ? 1 : (open_0 == 0 ? 0 : 2)) . (open_2 > 0) . (open_4 > 0)
-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
+  return !l:open
 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
+function GetJavascriptIndent()
+  let b:js_cache = get(b:,'js_cache',[0,0,0])
+  " Get the current line.
+  let l:line = getline(v:lnum)
+  let syns = synIDattr(synID(v:lnum, 1, 0), 'name')
+
+  " start with strings,comments,etc.
+  if syns =~? 'comment\|doc'
+    if l:line =~ '^\s*\*'
+      return cindent(v:lnum)
+    elseif l:line !~ '^\s*\/'
+      return -1
     endif
+  elseif syns =~? 'string\|template' && l:line !~ '^[''"]'
+    return -1
   endif
-
-  return a:ind
-endfunction
-
-function s:InOneLineScope(lnum)
-  let msl = s:GetMSL(a:lnum, 1)
-  if msl > 0 && s:Match(msl, s:one_line_scope_regex)
-    return msl
+  let l:lnum = s:PrevCodeLine(v:lnum - 1)
+  if !l:lnum
+    return
   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:Match(msl, s:one_line_scope_regex)
-      return 0
+  let l:line = substitute(substitute(l:line,'^\s*\%(\/\*.\{-}\*\/\s*\)*','',''),'^\/[/*].*','','')
+
+  " the containing paren, bracket, curly. Many hacks for performance
+  call cursor(v:lnum,1)
+  let idx = strlen(l:line) ? stridx('])}',l:line[0]) : -1
+  if indent(l:lnum)
+    let [s:looksyn,s:free] = [v:lnum - 1,1]
+    if b:js_cache[0] >= l:lnum && b:js_cache[0] < v:lnum &&
+          \ (b:js_cache[0] > l:lnum || s:Balanced(l:lnum))
+      call call('cursor',b:js_cache[1:])
+    elseif idx + 1
+      call s:GetPair(['\[','(','{'][idx], '])}'[idx],'bW','s:skip_func(s:looksyn)',2000)
+    elseif indent(v:lnum) && syns =~? 'block'
+      call s:GetPair('{','}','bW','s:skip_func(s:looksyn)',2000)
     else
-      let prev_msl = s:GetMSL(msl - 1, 1)
-      if s:Match(prev_msl, s:one_line_scope_regex)
-        return prev_msl
-      endif
+      call s:GetPair('[({[]','[])}]','bW','s:skip_func(s:looksyn)',2000)
     endif
+  else
+    call s:GetPair('[({[]','[])}]','bW',s:skip_expr,200,l:lnum)
   endif
-  return 0
-endfunction
-
-" 3. GetJavascriptIndent Function {{{1
-" =========================
-
-function GetJavascriptIndent()
-  " 3.1. Setup {{{2
-  " ----------
-
-  " Set up variables for restoring position in file.  Could use v:lnum here.
-  let vcol = col('.')
 
-  " 3.2. Work on the current line {{{2
-  " -----------------------------
-
-  let ind = -1
-  " Get the current line.
-  let line = getline(v:lnum)
-  " previous nonblank line number
-  let prevline = prevnonblank(v:lnum - 1)
-
-  if (line =~ s:expr_case)
-    if (getline(prevline) =~ s:expr_case)
-      return indent(prevline)
-    else
-      if (getline(prevline) =~ s:block_regex)
-        return indent(prevline) + s:case_indent
-      else
-        return indent(prevline) - s:case_indent_after
-      endif
+  if idx + 1
+    if idx == 2 && search('\S','bW',line('.')) && s:current_char() == ')'
+      call s:GetPair('(',')','bW',s:skip_expr,200)
     endif
+    return indent(line('.'))
   endif
-  " If we got a closing bracket on an empty line, find its match and indent
-  " according to it.  For parentheses we indent to its column - 1, for the
-  " others we indent to the containing line's MSL's level.  Return -1 if fail.
-  let col = matchend(line, '^\s*[],})]')
-  if col > 0 && !s:IsInStringOrComment(v:lnum, col)
-    call cursor(v:lnum, col)
-
-    let lvar = s:InMultiVarStatement(v:lnum)
-    if lvar
-      let prevline_contents = s:RemoveTrailingComments(getline(prevline))
-
-      " check for comma first
-      if (line[col - 1] =~ ',')
-        " if the previous line ends in comma or semicolon don't indent
-        if (prevline_contents =~ '[;,]\s*$')
-          return indent(s:GetMSL(line('.'), 0))
-        " get previous line indent, if it's comma first return prevline indent
-        elseif (prevline_contents =~ s:comma_first)
-          return indent(prevline)
-        " otherwise we indent 1 level
-        else
-          return indent(lvar) + s:sw()
-        endif
-      endif
-    endif
-
 
-    let bs = strpart('(){}[]', stridx(')}]', line[col - 1]) * 2, 2)
-    if searchpair(escape(bs[0], '\['), '', bs[1], 'bW', s:skip_expr) > 0
-      if line[col-1]==')' && col('.') != col('$') - 1
-        let ind = virtcol('.')-1
-      else
-        let ind = indent(s:GetMSL(line('.'), 0))
+  let b:js_cache = [v:lnum] + (line('.') == v:lnum ? [0,0] : [line('.'),col('.')])
+  let num = b:js_cache[1]
+
+  let [s:W, pline, isOp, stmt, bL, switch_offset] = [s:sw(), s:Trim(l:lnum),0,0,0,0]
+  if num && s:current_char() == '{' && s:IsBlock()
+    let stmt = 1
+    if s:current_char() == ')' && s:GetPair('(', ')', 'bW', s:skip_expr, 100) > 0 && s:previous_token() ==# 'switch'
+      let switch_offset = &cino !~ ':' || !has('float') ? s:W :
+            \ float2nr(str2float(matchstr(&cino,'.*:\zs[-0-9.]*')) * (&cino =~# '\%(.*:\)\@>[^,]*s' ? s:W : 1))
+      if l:line =~# '^' . s:case_stmt
+        return indent(num) + switch_offset
       endif
+      let stmt = pline !~# s:case_stmt . '$'
     endif
-    return ind
-  endif
-
-  " If the line is comma first, dedent 1 level
-  if (getline(prevline) =~ s:comma_first)
-    return indent(prevline) - s:sw()
-  endif
-  if (getline(prevline) =~ s:expr_case)
-    return indent(prevline) + s:case_indent_after
-  endif
-
-  " If line starts with an operator...
-  if (s:Match(v:lnum, s:operator_first))
-    if (s:Match(prevline, s:operator_first))
-      " and so does previous line, don't indent
-      return indent(prevline)
-    end
-    let counts = s:LineHasOpeningBrackets(prevline)
-    if counts[0] == '2'
-      call cursor(prevline, 1)
-      " Search for the opening tag
-      let mnum = searchpair('(', '', ')', 'bW', s:skip_expr)
-      if mnum > 0 && s:Match(mnum, s:operator_first)
-        return indent(mnum)
-      end
-    elseif counts[0] != '1' && counts[1] != '1' && counts[2] != '1'
-      " otherwise, indent 1 level
-      return indent(prevline) + s:sw()
-    end
-    " If previous line starts with an operator...
-  elseif s:Match(prevline, s:operator_first) && !s:Match(prevline, s:comma_last) && !s:Match(prevline, '};\=' . s:line_term)
-    let counts = s:LineHasOpeningBrackets(prevline)
-    if counts[0] == '2' && counts[1] == '1'
-      call cursor(prevline, 1)
-      " Search for the opening tag
-      let mnum = searchpair('(', '', ')', 'bW', s:skip_expr)
-      if mnum > 0 && !s:Match(mnum, s:operator_first)
-        return indent(mnum) + s:sw()
-      end
-    elseif counts[0] != '1' && counts[1] != '1' && counts[2] != '1'
-      return indent(prevline) - s:sw()
-    end
-  end
-
-  if getline(prevline) =~ '^\s*`$' && s:IsInTempl(v:lnum, 1)
-    if line !~ '^\s*`$'
-      return indent(prevline) + s:sw()
-    endif
-  elseif line =~ '^\s*`$' && s:IsInTempl(prevline, 1)
-    return indent(prevline) - s:sw()
   endif
 
-  " If we are in a multi-line comment, cindent does the right thing.
-  if s:IsInMultilineComment(v:lnum, 1) && !s:IsLineComment(v:lnum, 1)
-    return cindent(v:lnum)
-  endif
-
-  " Check for multiple var assignments
-"  let var_indent = s:GetVarIndent(v:lnum)
-"  if var_indent >= 0
-"    return var_indent
-"  endif
-
-  " 3.3. Work on the previous line. {{{2
-  " -------------------------------
-
-  " 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*$' && s:IsInMultilineComment(prevline, 1)
-    return indent(prevline) - 1
-  endif
-
-  " Find a non-blank, non-multi-line string line above the current line.
-  let lnum = s:PrevNonBlankNonString(v:lnum - 1)
-
-  " If the line is empty and inside a string, use the previous line.
-  if line =~ '^\s*$' && 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)
-    if (line =~ s:expr_case)
-      return indent(s:GetMSL(lnum, 0)) + s:sw()/2
-    else
-      return indent(s:GetMSL(lnum, 0)) + s:sw()
-    endif
+  if stmt || !num
+    let isOp = l:line =~# s:opfirst || pline =~# s:continuation
+    let bL = s:iscontOne(l:lnum,num,isOp)
+    let bL -= (bL && l:line[0] == '{') * s:W
   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 line =~ '[[({]'
-    let counts = s:LineHasOpeningBrackets(lnum)
-    if counts[0] == '1' && searchpair('(', '', ')', 'bW', s:skip_expr) > 0
-      if col('.') + 1 == col('$') || line =~ s:one_line_scope_regex
-        return ind + s:sw()
-      else
-        return virtcol('.')
-      endif
-    elseif counts[1] == '1' || counts[2] == '1' && counts[0] != '2'
-      return ind + s:sw()
-    else
-      call cursor(v:lnum, vcol)
-    end
-  elseif line =~ '.\+};\=' . s:line_term
-    call cursor(lnum, 1)
-    " Search for the opening tag
-    let mnum = searchpair('{', '', '}', 'bW', s:skip_expr)
-    if mnum > 0
-      return indent(s:GetMSL(mnum, 0)) 
-    end
-  elseif line =~ '.\+);\=' || line =~ s:comma_last
-    let counts = s:LineHasOpeningBrackets(lnum)
-    if counts[0] == '2'
-      call cursor(lnum, 1)
-      " Search for the opening tag
-      let mnum = searchpair('(', '', ')', 'bW', s:skip_expr)
-      if mnum > 0
-        return indent(s:GetMSL(mnum, 0)) 
-      end
-    elseif line !~ s:var_stmt
-      return indent(prevline)
-    end
-  end
-
-  " 3.4. Work on the MSL line. {{{2
-  " --------------------------
-
-  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
+  " main return
+  if isOp
+    return (num ? indent(num) : -s:W) + (s:W * 2) + switch_offset + bL
+  elseif num
+    return indent(num) + s:W + switch_offset + bL
   endif
-
-  return ind
+  return bL
 endfunction
 
-" }}}1
-
 let &cpo = s:cpo_save
 unlet s:cpo_save
-
-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:IsLineComment(a:lnum, l:first_char) || s:IsInMultilineComment(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
diff --git a/syntax/javascript.vim b/syntax/javascript.vim
index 5e3e6ed..22733c7 100644
--- a/syntax/javascript.vim
+++ b/syntax/javascript.vim
@@ -12,210 +12,223 @@ 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
+syntax case match
 
-syntax match   jsNoise           /[:,\;\.]\{1}/
+syntax match   jsNoise          /[:,\;\.]\{1}/
+syntax match   jsFuncCall       /\k\+\%(\s*(\)\@=/
+syntax match   jsParensError    /[)}\]]/
 
-"" Program Keywords
-syntax keyword jsStorageClass   const var let
-syntax keyword jsOperator       delete instanceof typeof void new in
+" Program Keywords
+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
 syntax keyword jsBooleanFalse   false
-syntax keyword jsModules        import export contained
-syntax keyword jsModuleWords    default from as contained
-syntax keyword jsOf             of contained
-syntax keyword jsArgsObj        arguments
-
-syntax region jsImportContainer      start="^\s\?import \?" end=";\|$" contains=jsModules,jsModuleWords,jsLineComment,jsComment,jsStringS,jsStringD,jsTemplateString,jsNoise,jsBlock
-
-syntax region jsExportContainer      start="^\s\?export \?" end="$" contains=jsModules,jsModuleWords,jsComment,jsTemplateString,jsStringD,jsStringS,jsRegexpString,jsNumber,jsFloat,jsThis,jsOperator,jsBooleanTrue,jsBooleanFalse,jsNull,jsFunction,jsArrowFunction,jsGlobalObjects,jsExceptions,jsDomErrNo,jsDomNodeConsts,jsHtmlEvents,jsDotNotation,jsBracket,jsParen,jsFuncCall,jsUndefined,jsNan,jsKeyword,jsStorageClass,jsPrototype,jsBuiltins,jsNoise,jsArgsObj,jsBlock,jsClassDefinition
-
-"" JavaScript comments
-syntax keyword jsCommentTodo    TODO FIXME XXX TBD contained
-syntax region  jsLineComment    start=+\/\/+ end=+$+ keepend contains=jsCommentTodo,@Spell extend
-syntax region  jsEnvComment     start="\%^#!" end="$" display
-syntax region  jsLineComment    start=+^\s*\/\/+ skip=+\n\s*\/\/+ end=+$+ keepend contains=jsCommentTodo,@Spell fold
-syntax region  jsCvsTag         start="\$\cid:" end="\$" oneline contained
-syntax region  jsComment        start="/\*"  end="\*/" contains=jsCommentTodo,jsCvsTag,@Spell fold extend
-
-"" JSDoc / JSDoc Toolkit
-if !exists("javascript_ignore_javaScriptdoc")
-  syntax case ignore
-
-  "" syntax coloring for javadoc comments (HTML)
-  "syntax include @javaHtml <sfile>:p:h/html.vim
-  "unlet b:current_syntax
-
-  syntax region jsBlockComment    matchgroup=jsComment start="/\*\s*"  end="\*/" contains=jsDocTags,jsCommentTodo,jsCvsTag,@jsHtml,@Spell fold
-
-  " tags containing a param
-  syntax match  jsDocTags         contained "@\(alias\|api\|augments\|borrows\|class\|constructs\|default\|defaultvalue\|emits\|exception\|exports\|extends\|fires\|kind\|link\|listens\|member\|member[oO]f\|mixes\|module\|name\|namespace\|requires\|template\|throws\|var\|variation\|version\)\>" nextgroup=jsDocParam skipwhite
-  " tags containing type and param
-  syntax match  jsDocTags         contained "@\(arg\|argument\|cfg\|param\|property\|prop\)\>" nextgroup=jsDocType skipwhite
-  " tags containing type but no param
-  syntax match  jsDocTags         contained "@\(callback\|define\|enum\|external\|implements\|this\|type\|typedef\|return\|returns\)\>" nextgroup=jsDocTypeNoParam skipwhite
-  " tags containing references
-  syntax match  jsDocTags         contained "@\(lends\|see\|tutorial\)\>" nextgroup=jsDocSeeTag skipwhite
-  " 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         matchgroup=jsDocTypeBrackets start="{" end="}" oneline contained nextgroup=jsDocParam skipwhite contains=jsDocTypeRecord
-  syntax match  jsDocType         contained "\%(#\|\"\|\w\|\.\|:\|\/\)\+" nextgroup=jsDocParam skipwhite
-  syntax region jsDocTypeRecord   start=/{/ end=/}/ contained extend contains=jsDocTypeRecord
-  syntax region jsDocTypeRecord   start=/\[/ end=/\]/ contained extend contains=jsDocTypeRecord
-  syntax region jsDocTypeNoParam  start="{" end="}" oneline contained
-  syntax match  jsDocTypeNoParam  contained "\%(#\|\"\|\w\|\.\|:\|\/\)\+"
-  syntax match  jsDocParam        contained "\%(#\|\$\|-\|'\|\"\|{.\{-}}\|\w\|\.\|:\|\/\|\[.{-}]\|=\)\+"
-  syntax region jsDocSeeTag       contained matchgroup=jsDocSeeTag start="{" end="}" contains=jsDocTags
-
-  syntax case match
-endif   "" JSDoc end
 
-syntax case match
-
-"" Syntax in the JavaScript code
-syntax match   jsFuncCall         /\k\+\%(\s*(\)\@=/
-syntax match   jsSpecial          "\v\\%(0|\\x\x\{2\}\|\\u\x\{4\}\|\c[A-Z]|.)" contained
-syntax region  jsTemplateVar      matchgroup=jsTemplateBraces start=+${+ end=+}+ contained contains=@jsExpression
-syntax region  jsStringD          start=+"+  skip=+\\\("\|$\)+  end=+"\|$+  contains=jsSpecial,@htmlPreproc,@Spell
-syntax region  jsStringS          start=+'+  skip=+\\\('\|$\)+  end=+'\|$+  contains=jsSpecial,@htmlPreproc,@Spell
-syntax region  jsTemplateString   start=+`+  skip=+\\\(`\|$\)+  end=+`+     contains=jsTemplateVar,jsSpecial,@htmlPreproc
-syntax region  jsTaggedTemplate   start=/\k\+\%([\n\s]\+\)\?`/ end=+`+ contains=jsTemplateString keepend
-syntax region  jsRegexpCharClass  start=+\[+ skip=+\\.+ end=+\]+ contained
-syntax match   jsRegexpBoundary   "\v%(\<@![\^$]|\\[bB])" contained
-syntax match   jsRegexpBackRef    "\v\\[1-9][0-9]*" contained
-syntax match   jsRegexpQuantifier "\v\\@<!%([?*+]|\{\d+%(,|,\d+)?})\??" contained
-syntax match   jsRegexpOr         "\v\<@!\|" contained
-syntax match   jsRegexpMod        "\v\(@<=\?[:=!>]" contained
-syntax cluster jsRegexpSpecial    contains=jsSpecial,jsRegexpBoundary,jsRegexpBackRef,jsRegexpQuantifier,jsRegexpOr,jsRegexpMod
-syntax region  jsRegexpGroup      start="\\\@<!(" skip="\\.\|\[\(\\.\|[^]]\)*\]" end="\\\@<!)" contained contains=jsRegexpCharClass,@jsRegexpSpecial keepend
-syntax region  jsRegexpString     start=+\%(\%(\%(return\|case\)\s\+\)\@50<=\|\%(\%([)\]"']\|\d\|\w\)\s*\)\@50<!\)/\(\*\|/\)\@!+ skip=+\\.\|\[\%(\\.\|[^]]\)*\]+ end=+/[gimy]\{,4}+ contains=jsRegexpCharClass,jsRegexpGroup,@jsRegexpSpecial,@htmlPreproc oneline keepend
-syntax match   jsNumber           /\<-\=\d\+\(L\|[eE][+-]\=\d\+\)\=\>\|\<0[xX]\x\+\>/
+" Modules
+syntax keyword jsModuleKeywords  contained import
+syntax keyword jsModuleKeywords  contained export skipwhite skipempty nextgroup=jsExportBlock,jsModuleDefault
+syntax keyword jsModuleOperators contained from
+syntax keyword jsModuleOperators contained as
+syntax region  jsModuleGroup     contained matchgroup=jsModuleBraces start=/{/ end=/}/ contains=jsModuleOperators,jsNoise,jsComment
+syntax match   jsModuleAsterisk  contained /*/
+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=jsExportBraces start=/{/ end=/}/ contains=jsModuleOperators,jsNoise,jsComment
+
+" Strings, Templates, Numbers
+syntax region  jsString           start=+"+  skip=+\\\("\|$\)+  end=+"\|$+  contains=jsSpecial,@Spell extend
+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\+\%([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   jsObjectKey        /\<[a-zA-Z_$][0-9a-zA-Z_$]*\>\(\s*:\)\@=/ contains=jsFunctionKey contained
-syntax match   jsFunctionKey      /\<[a-zA-Z_$][0-9a-zA-Z_$]*\>\(\s*:\s*function\s*\)\@=/ contained
-syntax match   jsDecorator        "@" display contains=jsDecoratorFunction nextgroup=jsDecoratorFunction skipwhite
-syntax match   jsDecoratorFunction "[a-zA-Z_][a-zA-Z0-9_.]*" display contained nextgroup=jsFunc skipwhite
-
-exe 'syntax keyword jsNull      null      '.(exists('g:javascript_conceal_null')        ? 'conceal cchar='.g:javascript_conceal_null        : '')
-exe 'syntax keyword jsReturn    return    '.(exists('g:javascript_conceal_return')      ? 'conceal cchar='.g:javascript_conceal_return      : '')
-exe 'syntax keyword jsUndefined undefined '.(exists('g:javascript_conceal_undefined')   ? 'conceal cchar='.g:javascript_conceal_undefined   : '')
-exe 'syntax keyword jsNan       NaN       '.(exists('g:javascript_conceal_NaN')         ? 'conceal cchar='.g:javascript_conceal_NaN         : '')
-exe 'syntax keyword jsPrototype prototype '.(exists('g:javascript_conceal_prototype')   ? 'conceal cchar='.g:javascript_conceal_prototype   : '')
-exe 'syntax keyword jsThis      this      '.(exists('g:javascript_conceal_this')        ? 'conceal cchar='.g:javascript_conceal_this        : '')
-exe 'syntax keyword jsStatic    static    '.(exists('g:javascript_conceal_static')      ? 'conceal cchar='.g:javascript_conceal_static      : '')
-exe 'syntax keyword jsSuper     super     '.(exists('g:javascript_conceal_super')       ? 'conceal cchar='.g:javascript_conceal_super       : '')
-
-"" Statement Keywords
-syntax keyword jsStatement      break continue with
-syntax keyword jsConditional    if else switch
-syntax keyword jsRepeat         do while for
-syntax keyword jsLabel          case default
-syntax keyword jsKeyword        yield
-syntax keyword jsException      try catch throw finally
-syntax keyword jsAsyncKeyword   async await
-
-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 jsExceptions     Error EvalError InternalError RangeError ReferenceError StopIteration SyntaxError TypeError URIError
-
-syntax keyword jsBuiltins       decodeURI decodeURIComponent encodeURI encodeURIComponent eval isFinite isNaN parseFloat parseInt uneval
-
-syntax keyword jsFutureKeys     abstract enum int short boolean interface byte long char final native synchronized float package throws goto private transient debugger implements protected volatile double public
-
-"" DOM/HTML/CSS specified things
+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]|.)"
+syntax region  jsTemplateVar      contained matchgroup=jsTemplateBraces start=+${+ end=+}+ contains=@jsExpression
+syntax region  jsRegexpCharClass  contained start=+\[+ skip=+\\.+ end=+\]+
+syntax match   jsRegexpBoundary   contained "\v%(\<@![\^$]|\\[bB])"
+syntax match   jsRegexpBackRef    contained "\v\\[1-9][0-9]*"
+syntax match   jsRegexpQuantifier contained "\v\\@<!%([?*+]|\{\d+%(,|,\d+)?})\??"
+syntax match   jsRegexpOr         contained "\v\<@!\|"
+syntax match   jsRegexpMod        contained "\v\(@<=\?[:=!>]"
+syntax region  jsRegexpGroup      contained start="\\\@<!(" skip="\\.\|\[\(\\.\|[^]]\)*\]" end="\\\@<!)" contains=jsRegexpCharClass,@jsRegexpSpecial keepend
+if v:version > 703 || v:version == 603 && has("patch1088")
+  syntax region  jsRegexpString   start=+\%(\%(\%(return\|case\)\s\+\)\@50<=\|\%(\%([)\]"']\|\d\|\w\)\s*\)\@50<!\)/\(\*\|/\)\@!+ skip=+\\.\|\[\%(\\.\|[^]]\)*\]+ end=+/[gimy]\{,4}+ contains=jsRegexpCharClass,jsRegexpGroup,@jsRegexpSpecial oneline keepend extend
+else
+  syntax region  jsRegexpString   start=+\%(\%(\%(return\|case\)\s\+\)\@<=\|\%(\%([)\]"']\|\d\|\w\)\s*\)\@<!\)/\(\*\|/\)\@!+ skip=+\\.\|\[\%(\\.\|[^]]\)*\]+ end=+/[gimy]\{,4}+ contains=jsRegexpCharClass,jsRegexpGroup,@jsRegexpSpecial oneline keepend extend
+endif
+syntax cluster jsRegexpSpecial    contains=jsSpecial,jsRegexpBoundary,jsRegexpBackRef,jsRegexpQuantifier,jsRegexpOr,jsRegexpMod
 
+" Objects
+syntax match   jsObjectKey         contained /\<[0-9a-zA-Z_$]*\>\(\s*:\)\@=/ contains=jsFunctionKey skipwhite skipempty nextgroup=jsObjectValue
+syntax match   jsObjectColon       contained /:/ skipwhite skipempty
+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
+syntax match   jsObjectSeparator   contained /,/
+syntax region  jsObjectValue       contained start=/:/ end=/\%(,\|}\)\@=/ contains=jsObjectColon,@jsExpression extend
+syntax match   jsObjectFuncName    contained /\<[a-zA-Z_$][0-9a-zA-Z_$]*\>[\r\n\t ]*(\@=/ skipwhite skipempty nextgroup=jsFuncArgs
+syntax match   jsFunctionKey       contained /\<[a-zA-Z_$][0-9a-zA-Z_$]*\>\(\s*:\s*function\s*\)\@=/
+syntax match   jsObjectMethodType  contained /\%(get\|set\|static\|async\)\%( \k\+\)\@=/ skipwhite skipempty nextgroup=jsObjectFuncName
+syntax region  jsObjectStringKey   contained start=+"+  skip=+\\\("\|$\)+  end=+"\|$+  contains=jsSpecial,@Spell extend skipwhite skipempty nextgroup=jsFuncArgs,jsObjectValue
+syntax region  jsObjectStringKey   contained start=+'+  skip=+\\\('\|$\)+  end=+'\|$+  contains=jsSpecial,@Spell extend skipwhite skipempty nextgroup=jsFuncArgs,jsObjectValue
+
+exe 'syntax keyword jsNull      null             '.(exists('g:javascript_conceal_null')      ? 'conceal cchar='.g:javascript_conceal_null       : '')
+exe 'syntax keyword jsReturn    return contained '.(exists('g:javascript_conceal_return')    ? 'conceal cchar='.g:javascript_conceal_return     : '')
+exe 'syntax keyword jsUndefined undefined        '.(exists('g:javascript_conceal_undefined') ? 'conceal cchar='.g:javascript_conceal_undefined  : '')
+exe 'syntax keyword jsNan       NaN              '.(exists('g:javascript_conceal_NaN')       ? 'conceal cchar='.g:javascript_conceal_NaN        : '')
+exe 'syntax keyword jsPrototype prototype        '.(exists('g:javascript_conceal_prototype') ? 'conceal cchar='.g:javascript_conceal_prototype  : '')
+exe 'syntax keyword jsThis      this             '.(exists('g:javascript_conceal_this')      ? 'conceal cchar='.g:javascript_conceal_this       : '')
+exe 'syntax keyword jsSuper     super  contained '.(exists('g:javascript_conceal_super')     ? 'conceal cchar='.g:javascript_conceal_super      : '')
+
+" Statement Keywords
+syntax keyword jsStatement    contained break continue with yield debugger
+syntax keyword jsConditional            if           skipwhite skipempty nextgroup=jsParenIfElse
+syntax keyword jsConditional            else         skipwhite skipempty nextgroup=jsCommentMisc,jsIfElseBlock
+syntax keyword jsConditional            switch       skipwhite skipempty nextgroup=jsParenSwitch
+syntax keyword jsRepeat                 while for    skipwhite skipempty nextgroup=jsParenRepeat,jsForAwait
+syntax keyword jsDo                     do           skipwhite skipempty nextgroup=jsRepeatBlock
+syntax keyword jsLabel        contained case default
+syntax keyword jsTry                    try          skipwhite skipempty nextgroup=jsTryCatchBlock
+syntax keyword jsFinally      contained finally      skipwhite skipempty nextgroup=jsFinallyBlock
+syntax keyword jsCatch        contained catch        skipwhite skipempty nextgroup=jsParenCatch
+syntax keyword jsException              throw
+syntax keyword jsAsyncKeyword           async await
+syntax match   jsSwitchColon  contained /:/          skipwhite skipempty nextgroup=jsSwitchBlock
+
+" 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 fetch
+syntax keyword jsGlobalNodeObjects  module exports global process
+syntax match   jsGlobalNodeObjects  /require/ containedin=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?
+syntax keyword jsFutureKeys         abstract enum int short boolean interface byte long char final native synchronized float package throws goto private transient implements protected volatile double public
+
+" DISCUSS: Should we really be matching stuff like this?
 " DOM2 Objects
 syntax keyword jsGlobalObjects  DOMImplementation DocumentFragment Document Node NodeList NamedNodeMap CharacterData Attr Element Text Comment CDATASection DocumentType Notation Entity EntityReference ProcessingInstruction
 syntax keyword jsExceptions     DOMException
 
+" DISCUSS: Should we really be matching stuff like this?
 " DOM2 CONSTANT
 syntax keyword jsDomErrNo       INDEX_SIZE_ERR DOMSTRING_SIZE_ERR HIERARCHY_REQUEST_ERR WRONG_DOCUMENT_ERR INVALID_CHARACTER_ERR NO_DATA_ALLOWED_ERR NO_MODIFICATION_ALLOWED_ERR NOT_FOUND_ERR NOT_SUPPORTED_ERR INUSE_ATTRIBUTE_ERR INVALID_STATE_ERR SYNTAX_ERR INVALID_MODIFICATION_ERR NAMESPACE_ERR INVALID_ACCESS_ERR
 syntax keyword jsDomNodeConsts  ELEMENT_NODE ATTRIBUTE_NODE TEXT_NODE CDATA_SECTION_NODE ENTITY_REFERENCE_NODE ENTITY_NODE PROCESSING_INSTRUCTION_NODE COMMENT_NODE DOCUMENT_NODE DOCUMENT_TYPE_NODE DOCUMENT_FRAGMENT_NODE NOTATION_NODE
 
+" DISCUSS: Should we really be special matching on these props?
 " HTML events and internal variables
-syntax case ignore
 syntax keyword jsHtmlEvents     onblur onclick oncontextmenu ondblclick onfocus onkeydown onkeypress onkeyup onmousedown onmousemove onmouseout onmouseover onmouseup onresize
-syntax case match
 
-" Follow stuff should be highligh within a special context
-" While it can't be handled with context depended with Regex based highlight
-" So, turn it off by default
-if exists("javascript_enable_domhtmlcss")
-
-    " DOM2 things
-    syntax match jsDomElemAttrs     contained /\%(nodeName\|nodeValue\|nodeType\|parentNode\|childNodes\|firstChild\|lastChild\|previousSibling\|nextSibling\|attributes\|ownerDocument\|namespaceURI\|prefix\|localName\|tagName\)\>/
-    syntax match jsDomElemFuncs     contained /\%(insertBefore\|replaceChild\|removeChild\|appendChild\|hasChildNodes\|cloneNode\|normalize\|isSupported\|hasAttributes\|getAttribute\|setAttribute\|removeAttribute\|getAttributeNode\|setAttributeNode\|removeAttributeNode\|getElementById\|getElementsByClassName\|getElementsByTagName\|querySelector\|querySelectorAll\|getAttributeNS\|setAttributeNS\|removeAttributeNS\|getAttributeNodeNS\|setAttributeNodeNS\|getElementsByTagNameNS\|hasAttribute\|hasAttributeNS\)\>/ nextgroup=jsParen skipwhite
-    " HTML things
-    syntax match jsHtmlElemAttrs    contained /\%(className\|clientHeight\|clientLeft\|clientTop\|clientWidth\|dir\|id\|innerHTML\|lang\|length\|offsetHeight\|offsetLeft\|offsetParent\|offsetTop\|offsetWidth\|scrollHeight\|scrollLeft\|scrollTop\|scrollWidth\|style\|tabIndex\|title\)\>/
-    syntax match jsHtmlElemFuncs    contained /\%(blur\|click\|focus\|scrollIntoView\|addEventListener\|dispatchEvent\|removeEventListener\|item\)\>/ nextgroup=jsParen skipwhite
-
-    " CSS Styles in JavaScript
-    syntax keyword jsCssStyles      contained color font fontFamily fontSize fontSizeAdjust fontStretch fontStyle fontVariant fontWeight letterSpacing lineBreak lineHeight quotes rubyAlign rubyOverhang rubyPosition
-    syntax keyword jsCssStyles      contained textAlign textAlignLast textAutospace textDecoration textIndent textJustify textJustifyTrim textKashidaSpace textOverflowW6 textShadow textTransform textUnderlinePosition
-    syntax keyword jsCssStyles      contained unicodeBidi whiteSpace wordBreak wordSpacing wordWrap writingMode
-    syntax keyword jsCssStyles      contained bottom height left position right top width zIndex
-    syntax keyword jsCssStyles      contained border borderBottom borderLeft borderRight borderTop borderBottomColor borderLeftColor borderTopColor borderBottomStyle borderLeftStyle borderRightStyle borderTopStyle borderBottomWidth borderLeftWidth borderRightWidth borderTopWidth borderColor borderStyle borderWidth borderCollapse borderSpacing captionSide emptyCells tableLayout
-    syntax keyword jsCssStyles      contained margin marginBottom marginLeft marginRight marginTop outline outlineColor outlineStyle outlineWidth padding paddingBottom paddingLeft paddingRight paddingTop
-    syntax keyword jsCssStyles      contained listStyle listStyleImage listStylePosition listStyleType
-    syntax keyword jsCssStyles      contained background backgroundAttachment backgroundColor backgroundImage backgroundPosition backgroundPositionX backgroundPositionY backgroundRepeat
-    syntax keyword jsCssStyles      contained clear clip clipBottom clipLeft clipRight clipTop content counterIncrement counterReset cssFloat cursor direction display filter layoutGrid layoutGridChar layoutGridLine layoutGridMode layoutGridType
-    syntax keyword jsCssStyles      contained marks maxHeight maxWidth minHeight minWidth opacity MozOpacity overflow overflowX overflowY verticalAlign visibility zoom cssText
-    syntax keyword jsCssStyles      contained scrollbar3dLightColor scrollbarArrowColor scrollbarBaseColor scrollbarDarkShadowColor scrollbarFaceColor scrollbarHighlightColor scrollbarShadowColor scrollbarTrackColor
-
-    " Highlight ways
-    syntax match jsDotNotation      "\." nextgroup=jsPrototype,jsDomElemAttrs,jsDomElemFuncs,jsHtmlElemAttrs,jsHtmlElemFuncs
-    syntax match jsDotNotation      "\.style\." nextgroup=jsCssStyles
-
-endif "DOM/HTML/CSS
-
-"" end DOM/HTML/CSS specified things
-
-"" Code blocks
-syntax cluster jsExpression contains=jsComment,jsLineComment,jsBlockComment,jsTaggedTemplate,jsTemplateString,jsStringD,jsStringS,jsRegexpString,jsNumber,jsFloat,jsThis,jsStatic,jsSuper,jsOperator,jsBooleanTrue,jsBooleanFalse,jsNull,jsFunction,jsArrowFunction,jsGlobalObjects,jsExceptions,jsFutureKeys,jsDomErrNo,jsDomNodeConsts,jsHtmlEvents,jsDotNotation,jsBracket,jsParen,jsBlock,jsFuncCall,jsUndefined,jsNan,jsKeyword,jsStorageClass,jsPrototype,jsBuiltins,jsNoise,jsCommonJS,jsImportContainer,jsExportContainer,jsArgsObj,jsDecorator,jsAsyncKeyword,jsClassDefinition,jsArrowFunction,jsArrowFuncArgs
-syntax cluster jsAll        contains=@jsExpression,jsLabel,jsConditional,jsRepeat,jsReturn,jsStatement,jsTernaryIf,jsException
-syntax region  jsBracket    matchgroup=jsBrackets     start="\[" end="\]" contains=@jsAll,jsParensErrB,jsParensErrC,jsBracket,jsParen,jsBlock,@htmlPreproc fold
-syntax region  jsParen      matchgroup=jsParens       start="("  end=")"  contains=@jsAll,jsOf,jsParensErrA,jsParensErrC,jsParen,jsBracket,jsBlock,@htmlPreproc fold extend
-syntax region  jsClassBlock matchgroup=jsClassBraces  start="{"  end="}"  contains=jsFuncName,jsClassMethodDefinitions,jsOperator,jsArrowFunction,jsArrowFuncArgs,jsComment,jsBlockComment,jsLineComment contained fold
-syntax region  jsFuncBlock  matchgroup=jsFuncBraces   start="{"  end="}"  contains=@jsAll,jsParensErrA,jsParensErrB,jsParen,jsBracket,jsBlock,@htmlPreproc,jsClassDefinition fold extend
-syntax region  jsBlock      matchgroup=jsBraces       start="{"  end="}"  contains=@jsAll,jsParensErrA,jsParensErrB,jsParen,jsBracket,jsBlock,jsObjectKey,@htmlPreproc,jsClassDefinition fold extend
-syntax region  jsTernaryIf  matchgroup=jsTernaryIfOperator start=+?+  end=+:+  contains=@jsExpression,jsTernaryIf
-
-"" catch errors caused by wrong parenthesis
-syntax match   jsParensError    ")\|}\|\]"
-syntax match   jsParensErrA     contained "\]"
-syntax match   jsParensErrB     contained ")"
-syntax match   jsParensErrC     contained "}"
-
-syntax match   jsFuncArgDestructuring contained /\({\|}\|=\|:\|\[\|\]\)/ extend
-exe 'syntax match jsFunction /\<function\>/ nextgroup=jsGenerator,jsFuncName,jsFuncArgs skipwhite '.(exists('g:javascript_conceal_function') ? 'conceal cchar='.g:javascript_conceal_function : '')
-exe 'syntax match jsArrowFunction /=>/ skipwhite nextgroup=jsFuncBlock contains=jsFuncBraces '.(exists('g:javascript_conceal_arrow_function') ? 'conceal cchar='.g:javascript_conceal_arrow_function : '')
-
-syntax match   jsGenerator       contained '\*' nextgroup=jsFuncName,jsFuncArgs skipwhite
-syntax match   jsFuncName        contained /\<[a-zA-Z_$][0-9a-zA-Z_$]*/ nextgroup=jsFuncArgs skipwhite
-syntax region  jsFuncArgs        contained matchgroup=jsFuncParens start='(' end=')' contains=jsFuncArgCommas,jsFuncArgRest,jsComment,jsLineComment,jsStringS,jsStringD,jsNumber,jsFuncArgDestructuring,jsArrowFunction,jsParen,jsArrowFuncArgs nextgroup=jsFuncBlock keepend skipwhite skipempty
-syntax match   jsFuncArgCommas   contained ','
-syntax match   jsFuncArgRest     contained /\%(\.\.\.[a-zA-Z_$][0-9a-zA-Z_$]*\))/ contains=jsFuncArgRestDots
-syntax match   jsFuncArgRestDots contained /\.\.\./
+" 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  jsParenDecorator     contained matchgroup=jsParensDecorator     start=/(/  end=/)/  contains=@jsAll skipwhite skipempty nextgroup=jsCommentMisc extend fold
+syntax region  jsParenIfElse        contained matchgroup=jsParensIfElse        start=/(/  end=/)/  contains=@jsAll skipwhite skipempty nextgroup=jsCommentMisc,jsIfElseBlock extend fold
+syntax region  jsParenRepeat        contained matchgroup=jsParensRepeat        start=/(/  end=/)/  contains=@jsAll skipwhite skipempty nextgroup=jsCommentMisc,jsRepeatBlock extend fold
+syntax region  jsParenSwitch        contained matchgroup=jsParensSwitch        start=/(/  end=/)/  contains=@jsAll skipwhite skipempty nextgroup=jsSwitchBlock extend fold
+syntax region  jsParenCatch         contained matchgroup=jsParensCatch         start=/(/  end=/)/  skipwhite skipempty nextgroup=jsTryCatchBlock 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  jsIfElseBlock        contained matchgroup=jsIfElseBraces        start=/{/  end=/}/  contains=@jsAll extend fold
+syntax region  jsBlock              contained matchgroup=jsBraces              start=/{/  end=/}/  contains=@jsAll extend fold
+syntax region  jsTryCatchBlock      contained matchgroup=jsTryCatchBraces      start=/{/  end=/}/  contains=@jsAll skipwhite skipempty nextgroup=jsCatch,jsFinally extend fold
+syntax region  jsFinallyBlock       contained matchgroup=jsFinallyBraces       start=/{/  end=/}/  contains=@jsAll extend fold
+syntax region  jsSwitchBlock        contained matchgroup=jsSwitchBraces        start=/{/  end=/}/  contains=@jsAll,jsLabel,jsSwitchColon extend fold
+syntax region  jsRepeatBlock        contained matchgroup=jsRepeatBraces        start=/{/  end=/}/  contains=@jsAll extend fold
+syntax region  jsDestructuringBlock contained matchgroup=jsDestructuringBraces start=/{/  end=/}/  contains=jsDestructuringProperty,jsDestructuringAssignment,jsDestructuringNoise,jsDestructuringPropertyComputed,jsSpreadExpression extend fold
+syntax region  jsDestructuringArray contained matchgroup=jsDestructuringBraces start=/\[/ end=/\]/ contains=jsDestructuringPropertyValue,jsNoise,jsDestructuringProperty,jsSpreadExpression extend fold
+syntax region  jsObject                       matchgroup=jsObjectBraces        start=/{/  end=/}/  contains=jsObjectKey,jsObjectKeyString,jsObjectKeyComputed,jsObjectSeparator,jsObjectFuncName,jsObjectMethodType,jsGenerator,jsComment,jsObjectStringKey,jsSpreadExpression,jsDecorator extend fold
+syntax region  jsTernaryIf                    matchgroup=jsTernaryIfOperator   start=/?/  end=/\%(:\|[\}]\@=\)/  contains=@jsExpression
+syntax region  jsSpreadExpression   contained matchgroup=jsSpreadOperator      start=/\.\.\./ end=/[,}\]]\@=/ contains=@jsExpression
+syntax region  jsRestExpression     contained matchgroup=jsRestOperator        start=/\.\.\./ end=/[,)]\@=/
+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,jsFlowFunctionGroup
+syntax region  jsFuncArgExpression    contained matchgroup=jsFuncArgOperator start=/=/ end=/[,)]\@=/ contains=@jsExpression extend
+syntax match   jsFuncArgCommas        contained ','
+syntax keyword jsArguments            contained arguments
+syntax keyword jsForAwait             contained await skipwhite skipempty nextgroup=jsParenRepeat
 
 " Matches a single keyword argument with no parens
-syntax match   jsArrowFuncArgs  /\k\+\s*\%(=>\)\@=/ skipwhite contains=jsFuncArgs nextgroup=jsArrowFunction extend
+syntax match   jsArrowFuncArgs  /\k\+\s*\%(=>\)\@=/ skipwhite contains=jsFuncArgs skipwhite skipempty nextgroup=jsArrowFunction extend
 " Matches a series of arguments surrounded in parens
-syntax match   jsArrowFuncArgs  /([^()]*)\s*\(=>\)\@=/ skipempty skipwhite contains=jsFuncArgs nextgroup=jsArrowFunction extend
+syntax match   jsArrowFuncArgs  /([^()]*)\s*\(=>\)\@=/ contains=jsFuncArgs skipempty skipwhite nextgroup=jsArrowFunction extend
+
+exe 'syntax match jsFunction /\<function\>/ skipwhite skipempty nextgroup=jsGenerator,jsFuncName,jsFuncArgs skipwhite '.(exists('g:javascript_conceal_function')       ? 'conceal cchar='.g:javascript_conceal_function : '')
+exe 'syntax match jsArrowFunction /=>/      skipwhite skipempty nextgroup=jsFuncBlock,jsCommentFunction               '.(exists('g:javascript_conceal_arrow_function') ? 'conceal cchar='.g:javascript_conceal_arrow_function : '')
+
+" Classes
+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=jsCommentClass,jsClassBlock,jsFlowClassGroup
+syntax match   jsClassProperty          contained /\<[0-9a-zA-Z_$]*\>\(\s*=\)\@=/ skipwhite skipempty nextgroup=jsClassValue
+syntax region  jsClassValue             contained start=/=/ end=/\%(;\|}\|\n\)\@=/ contains=@jsExpression
+syntax region  jsClassPropertyComputed  contained matchgroup=jsBrackets start=/\[/ end=/]/ contains=@jsExpression skipwhite skipempty nextgroup=jsFuncArgs,jsClassValue extend
+syntax match   jsClassFuncName          contained /\<[a-zA-Z_$][0-9a-zA-Z_$]*\>\%(\s*(\)\@=/ skipwhite skipempty nextgroup=jsFuncArgs
+syntax region  jsClassStringKey         contained start=+"+  skip=+\\\("\|$\)+  end=+"\|$+  contains=jsSpecial,@Spell extend skipwhite skipempty nextgroup=jsFuncArgs
+syntax region  jsClassStringKey         contained start=+'+  skip=+\\\('\|$\)+  end=+'\|$+  contains=jsSpecial,@Spell extend skipwhite skipempty nextgroup=jsFuncArgs
+
+" Destructuring
+syntax match   jsDestructuringPropertyValue     contained /\<[0-9a-zA-Z_$]*\>/
+syntax match   jsDestructuringProperty          contained /\<[0-9a-zA-Z_$]*\>\(\s*=\)\@=/ skipwhite skipempty nextgroup=jsDestructuringValue
+syntax match   jsDestructuringAssignment        contained /\<[0-9a-zA-Z_$]*\>\(\s*:\)\@=/ skipwhite skipempty nextgroup=jsDestructuringValueAssignment
+syntax region  jsDestructuringValue             contained start=/=/ end=/[,}\]]\@=/ contains=@jsExpression extend
+syntax region  jsDestructuringValueAssignment   contained start=/:/ end=/[,}=]\@=/ contains=jsDestructuringPropertyValue,jsDestructuringBlock,jsNoise,jsDestructuringNoise skipwhite skipempty nextgroup=jsDestructuringValue extend
+syntax match   jsDestructuringNoise             contained /[,\[\]]/
+syntax region  jsDestructuringPropertyComputed  contained matchgroup=jsBrackets start=/\[/ end=/]/ contains=@jsExpression skipwhite skipempty nextgroup=jsDestructuringValue,jsDestructuringNoise extend fold
+
+" Comments
+syntax keyword jsCommentTodo    contained TODO FIXME XXX TBD
+syntax region  jsComment        start=/\/\// end=/$/ contains=jsCommentTodo,@Spell extend keepend
+syntax region  jsComment        start=/\/\*/  end=/\*\// contains=jsCommentTodo,@Spell fold extend keepend
+syntax region  jsEnvComment     start=/\%^#!/ end=/$/ 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
+
+" Decorators
+syntax match   jsDecorator                    /^\s*@/ nextgroup=jsDecoratorFunction
+syntax match   jsDecoratorFunction  contained /[a-zA-Z_][a-zA-Z0-9_.]*/ nextgroup=jsParenDecorator
+
+if exists("javascript_plugin_jsdoc")
+  runtime extras/jsdoc.vim
+  " NGDoc requires JSDoc
+  if exists("javascript_plugin_ngdoc")
+    runtime extras/ngdoc.vim
+  endif
+endif
 
-syntax keyword jsClassKeywords extends class contained
-syntax match   jsClassNoise /\./ contained
-syntax keyword jsClassMethodDefinitions get set static contained nextgroup=jsFuncName skipwhite skipempty
-syntax match   jsClassDefinition /class [a-zA-Z_$][0-9a-zA-Z_$ \n.]*/  contains=jsClassKeywords,jsClassNoise nextgroup=jsClassBlock skipwhite skipempty
+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,jsDo
+syntax cluster jsAll         contains=@jsExpression,jsExportContainer,jsImportContainer,jsStorageClass,jsConditional,jsRepeat,jsReturn,jsStatement,jsException,jsTry,jsAsyncKeyword
 
 " Define the default highlighting.
 " For version 5.7 and earlier: only when not done already
@@ -227,25 +240,20 @@ if version >= 508 || !exists("did_javascript_syn_inits")
   else
     command -nargs=+ HiLink hi def link <args>
   endif
-  HiLink jsFuncArgRest          Special
   HiLink jsComment              Comment
-  HiLink jsLineComment          Comment
   HiLink jsEnvComment           PreProc
-  HiLink jsBlockComment         Comment
+  HiLink jsParensIfElse         jsParens
+  HiLink jsParensRepeat         jsParens
+  HiLink jsParensSwitch         jsParens
+  HiLink jsParensCatch          jsParens
   HiLink jsCommentTodo          Todo
-  HiLink jsCvsTag               Function
-  HiLink jsDocTags              Special
-  HiLink jsDocSeeTag            Function
-  HiLink jsDocType              Type
-  HiLink jsDocTypeBrackets      jsDocType
-  HiLink jsDocTypeRecord        jsDocType
-  HiLink jsDocTypeNoParam       Type
-  HiLink jsDocParam             Label
-  HiLink jsStringS              String
-  HiLink jsStringD              String
+  HiLink jsString               String
+  HiLink jsObjectKeyString      String
   HiLink jsTemplateString       String
+  HiLink jsObjectStringKey      String
+  HiLink jsClassStringKey       String
   HiLink jsTaggedTemplate       StorageClass
-  HiLink jsTernaryIfOperator    Conditional
+  HiLink jsTernaryIfOperator    Operator
   HiLink jsRegexpString         String
   HiLink jsRegexpBoundary       SpecialChar
   HiLink jsRegexpQuantifier     SpecialChar
@@ -261,28 +269,30 @@ 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 jsKeyword              Keyword
+  HiLink jsTry                  Exception
+  HiLink jsFinally              Exception
+  HiLink jsCatch                Exception
   HiLink jsAsyncKeyword         Keyword
+  HiLink jsForAwait             Keyword
   HiLink jsArrowFunction        Type
   HiLink jsFunction             Type
   HiLink jsGenerator            jsFunction
   HiLink jsArrowFuncArgs        jsFuncArgs
   HiLink jsFuncName             Function
-  HiLink jsArgsObj              Special
+  HiLink jsClassFuncName        jsFuncName
+  HiLink jsObjectFuncName       Function
+  HiLink jsArguments            Special
   HiLink jsError                Error
   HiLink jsParensError          Error
-  HiLink jsParensErrA           Error
-  HiLink jsParensErrB           Error
-  HiLink jsParensErrC           Error
   HiLink jsOperator             Operator
   HiLink jsOf                   Operator
   HiLink jsStorageClass         StorageClass
-  HiLink jsClassKeywords        Structure
+  HiLink jsClassKeywords        Keyword
   HiLink jsThis                 Special
-  HiLink jsStatic               Special
-  HiLink jsSuper                Special
+  HiLink jsSuper                Constant
   HiLink jsNan                  Number
   HiLink jsNull                 Type
   HiLink jsUndefined            Type
@@ -290,6 +300,7 @@ if version >= 508 || !exists("did_javascript_syn_inits")
   HiLink jsFloat                Float
   HiLink jsBooleanTrue          Boolean
   HiLink jsBooleanFalse         Boolean
+  HiLink jsObjectColon          jsNoise
   HiLink jsNoise                Noise
   HiLink jsBrackets             Noise
   HiLink jsParens               Noise
@@ -298,18 +309,47 @@ if version >= 508 || !exists("did_javascript_syn_inits")
   HiLink jsFuncParens           Noise
   HiLink jsClassBraces          Noise
   HiLink jsClassNoise           Noise
+  HiLink jsIfElseBraces         jsBraces
+  HiLink jsTryCatchBraces       jsBraces
+  HiLink jsModuleBraces         jsBraces
+  HiLink jsObjectBraces         Noise
+  HiLink jsObjectSeparator      Noise
+  HiLink jsFinallyBraces        jsBraces
+  HiLink jsRepeatBraces         jsBraces
+  HiLink jsSwitchBraces         jsBraces
+  HiLink jsExportBraces         jsBraces
   HiLink jsSpecial              Special
   HiLink jsTemplateVar          Special
   HiLink jsTemplateBraces       jsBraces
-  HiLink jsGlobalObjects        Special
-  HiLink jsExceptions           Special
-  HiLink jsFutureKeys           Special
-  HiLink jsBuiltins             Special
-  HiLink jsModules              Include
-  HiLink jsModuleWords          Include
+  HiLink jsGlobalObjects        Constant
+  HiLink jsGlobalNodeObjects    Constant
+  HiLink jsExceptions           Constant
+  HiLink jsBuiltins             Constant
+  HiLink jsModuleKeywords       Include
+  HiLink jsModuleOperators      Include
+  HiLink jsModuleDefault        Include
   HiLink jsDecorator            Special
-  HiLink jsFuncArgRestDots      Noise
-  HiLink jsFuncArgDestructuring Noise
+  HiLink jsDecoratorFunction    Function
+  HiLink jsParensDecorator      jsParens
+  HiLink jsFuncArgOperator      jsFuncArgs
+  HiLink jsModuleAsterisk       Noise
+  HiLink jsClassProperty        jsObjectKey
+  HiLink jsSpreadOperator       Operator
+  HiLink jsRestOperator         Operator
+  HiLink jsRestExpression       jsFuncArgs
+  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
@@ -322,14 +362,12 @@ if version >= 508 || !exists("did_javascript_syn_inits")
 
   HiLink jsCssStyles            Label
 
-  HiLink jsClassMethodDefinitions Type
-
   delcommand HiLink
 endif
 
 " Define the htmlJavaScript for HTML syntax html.vim
-syntax cluster  htmlJavaScript       contains=@jsAll,jsBracket,jsParen,jsBlock
-syntax cluster  javaScriptExpression contains=@jsAll,jsBracket,jsParen,jsBlock,@htmlPreproc
+syntax cluster  htmlJavaScript       contains=@jsAll
+syntax cluster  javaScriptExpression contains=@jsAll
 
 " Vim's default html.vim highlights all javascript as 'Special'
 hi! def link javaScript              NONE