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path: root/extras/flow.vim
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if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'javascript') == -1
  
syntax region  jsFlowTypeStatement            start=/type/    end=/=/     oneline skipwhite skipempty nextgroup=jsFlowTypeObject
syntax region  jsFlowDeclareBlock             start=/declare/ end=/[;\n]/ oneline contains=jsFlow,jsFlowDeclareKeyword,jsFlowStorageClass
syntax region  jsFlow                         start=/:/       end=/\%(\%([),=;\n]\|{\%(.*}\)\@!\|\%({.*}\)\@<=\s*{\)\@=\|void\)/ contains=@jsFlowCluster oneline skipwhite skipempty nextgroup=jsFuncBlock
syntax region  jsFlowReturn         contained start=/:/       end=/\%(\S\s*\%({\%(.*}\)\@!\)\@=\|\n\)/ contains=@jsFlowCluster oneline skipwhite skipempty nextgroup=jsFuncBlock keepend
syntax region  jsFlowTypeObject     contained start=/{/       end=/}/ contains=jsFlowTypeKey skipwhite skipempty nextgroup=jsFunctionBlock extend
syntax match   jsFlowTypeKey        contained /\<[0-9a-zA-Z_$?]*\>\(\s*:\)\@=/ skipwhite skipempty nextgroup=jsFlowTypeValue
syntax region  jsFlowTypeValue      contained matchgroup=jsFlowNoise start=/:/       end=/[,}]/ contains=@jsFlowCluster
syntax region  jsFlowObject         contained matchgroup=jsFlowNoise start=/{/       end=/}/     oneline contains=@jsFlowCluster
syntax region  jsFlowArray          contained matchgroup=jsFlowNoise start=/\[/      end=/\]/    oneline contains=@jsFlowCluster
syntax region  jsFlowArrow          contained matchgroup=jsFlowNoise start=/(/       end=/)\s*=>/     oneline contains=@jsFlowCluster
syntax keyword jsFlowDeclareKeyword contained declare
syntax keyword jsFlowType           contained boolean number string null void any mixed JSON array function object Array
syntax match   jsFlowClassProperty  contained /\<[0-9a-zA-Z_$]*\>:\@=/ skipwhite skipempty nextgroup=jsFlow
syntax match   jsFlowNoise          contained /[:;,<>]/
syntax cluster jsFlowCluster        contains=jsFlowType,jsFlowArray,jsFlowObject,jsFlowNoise,jsFlowArrow
syntax keyword jsFlowStorageClass   contained const var let
syntax region  jsFlowParenRegion    contained start=/:\s*(/ end=/)\%(\s*:\)\@=/ oneline contains=@jsFlowCluster skipwhite skipempty nextgroup=jsObjectValue
syntax region  jsFlowClass          contained matchgroup=jsFlowNoise start=/</ end=/>/ oneline contains=@jsFlowCluster skipwhite skipempty nextgroup=jsClassBlock

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 jsFlow                   PreProc
  HiLink jsFlowReturn             PreProc
  HiLink jsFlowArray              PreProc
  HiLink jsFlowDeclareBlock       PreProc
  HiLink jsFlowObject             PreProc
  HiLink jsFlowParenRegion        PreProc
  HiLink jsFlowClass              PreProc
  HiLink jsFlowTypeObject         PreProc
  HiLink jsFlowTypeKey            PreProc
  HiLink jsFlowTypeValue          PreProc
  HiLink jsFlowClassProperty      jsClassProperty
  HiLink jsFlowType               Type
  HiLink jsFlowDeclareKeyword     Type
  HiLink jsFlowNoise              Noise
  delcommand HiLink
endif

endif
if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'javascript') == -1
  
syntax region  jsFlowTypeStatement            start=/type/    end=/=/     oneline skipwhite skipempty nextgroup=jsFlowTypeObject
syntax region  jsFlowDeclareBlock             start=/declare/ end=/[;\n]/ oneline contains=jsFlow,jsFlowDeclareKeyword,jsFlowStorageClass
syntax region  jsFlow                         start=/:/       end=/\%(\%([),=;\n]\|{\%(.*}\)\@!\|\%({.*}\)\@<=\s*{\)\@=\|void\)/ contains=@jsFlowCluster oneline skipwhite skipempty nextgroup=jsFuncBlock
syntax region  jsFlowReturn         contained start=/:/       end=/\%(\S\s*\%({\%(.*}\)\@!\)\@=\|\n\)/ contains=@jsFlowCluster oneline skipwhite skipempty nextgroup=jsFuncBlock keepend
syntax region  jsFlowTypeObject     contained start=/{/       end=/}/ contains=jsFlowTypeKey skipwhite skipempty nextgroup=jsFunctionBlock extend
syntax match   jsFlowTypeKey        contained /\<[0-9a-zA-Z_$?]*\>\(\s*:\)\@=/ skipwhite skipempty nextgroup=jsFlowTypeValue
syntax region  jsFlowTypeValue      contained matchgroup=jsFlowNoise start=/:/       end=/[,}]/ contains=@jsFlowCluster
syntax region  jsFlowObject         contained matchgroup=jsFlowNoise start=/{/       end=/}/     oneline contains=@jsFlowCluster
syntax region  jsFlowArray          contained matchgroup=jsFlowNoise start=/\[/      end=/\]/    oneline contains=@jsFlowCluster
syntax region  jsFlowArrow          contained matchgroup=jsFlowNoise start=/(/       end=/)\s*=>/     oneline contains=@jsFlowCluster
syntax keyword jsFlowDeclareKeyword contained declare
syntax keyword jsFlowType           contained boolean number string null void any mixed JSON array function object Array
syntax match   jsFlowClassProperty  contained /\<[0-9a-zA-Z_$]*\>:\@=/ skipwhite skipempty nextgroup=jsFlow
syntax match   jsFlowNoise          contained /[:;,<>]/
syntax cluster jsFlowCluster        contains=jsFlowType,jsFlowArray,jsFlowObject,jsFlowNoise,jsFlowArrow
syntax keyword jsFlowStorageClass   contained const var let
syntax region  jsFlowParenRegion    contained start=/:\s*(/ end=/)\%(\s*:\)\@=/ oneline contains=@jsFlowCluster skipwhite skipempty nextgroup=jsObjectValue
syntax region  jsFlowClass          contained matchgroup=jsFlowNoise start=/</ end=/>/ oneline contains=@jsFlowCluster skipwhite skipempty nextgroup=jsClassBlock

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 jsFlow                   PreProc
  HiLink jsFlowReturn             PreProc
  HiLink jsFlowArray              PreProc
  HiLink jsFlowDeclareBlock       PreProc
  HiLink jsFlowObject             PreProc
  HiLink jsFlowParenRegion        PreProc
  HiLink jsFlowClass              PreProc
  HiLink jsFlowTypeObject         PreProc
  HiLink jsFlowTypeKey            PreProc
  HiLink jsFlowTypeValue          PreProc
  HiLink jsFlowClassProperty      jsClassProperty
  HiLink jsFlowType               Type
  HiLink jsFlowDeclareKeyword     Type
  HiLink jsFlowNoise              Noise
  delcommand HiLink
endif

endif
if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'javascript') == -1
  
syntax region  jsFlowTypeStatement            start=/type/    end=/=/     oneline skipwhite skipempty nextgroup=jsFlowTypeObject
syntax region  jsFlowDeclareBlock             start=/declare/ end=/[;\n]/ oneline contains=jsFlow,jsFlowDeclareKeyword,jsFlowStorageClass
syntax region  jsFlow                         start=/:/       end=/\%(\%([),=;\n]\|{\%(.*}\)\@!\|\%({.*}\)\@<=\s*{\)\@=\|void\)/ contains=@jsFlowCluster oneline skipwhite skipempty nextgroup=jsFuncBlock
syntax region  jsFlowReturn         contained start=/:/       end=/\%(\S\s*\%({\%(.*}\)\@!\)\@=\|\n\)/ contains=@jsFlowCluster oneline skipwhite skipempty nextgroup=jsFuncBlock keepend
syntax region  jsFlowTypeObject     contained start=/{/       end=/}/ contains=jsFlowTypeKey skipwhite skipempty nextgroup=jsFunctionBlock extend
syntax match   jsFlowTypeKey        contained /\<[0-9a-zA-Z_$?]*\>\(\s*:\)\@=/ skipwhite skipempty nextgroup=jsFlowTypeValue
syntax region  jsFlowTypeValue      contained matchgroup=jsFlowNoise start=/:/       end=/[,}]/ contains=@jsFlowCluster
syntax region  jsFlowObject         contained matchgroup=jsFlowNoise start=/{/       end=/}/     oneline contains=@jsFlowCluster
syntax region  jsFlowArray          contained matchgroup=jsFlowNoise start=/\[/      end=/\]/    oneline contains=@jsFlowCluster
syntax region  jsFlowArrow          contained matchgroup=jsFlowNoise start=/(/       end=/)\s*=>/     oneline contains=@jsFlowCluster
syntax keyword jsFlowDeclareKeyword contained declare
syntax keyword jsFlowType           contained boolean number string null void any mixed JSON array function object Array
syntax match   jsFlowClassProperty  contained /\<[0-9a-zA-Z_$]*\>:\@=/ skipwhite skipempty nextgroup=jsFlow
syntax match   jsFlowNoise          contained /[:;,<>]/
syntax cluster jsFlowCluster        contains=jsFlowType,jsFlowArray,jsFlowObject,jsFlowNoise,jsFlowArrow
syntax keyword jsFlowStorageClass   contained const var let
syntax region  jsFlowParenRegion    contained start=/:\s*(/ end=/)\%(\s*:\)\@=/ oneline contains=@jsFlowCluster skipwhite skipempty nextgroup=jsObjectValue
syntax region  jsFlowClass          contained matchgroup=jsFlowNoise start=/</ end=/>/ oneline contains=@jsFlowCluster skipwhite skipempty nextgroup=jsClassBlock

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 jsFlow                   PreProc
  HiLink jsFlowReturn             PreProc
  HiLink jsFlowArray              PreProc
  HiLink jsFlowDeclareBlock       PreProc
  HiLink jsFlowObject             PreProc
  HiLink jsFlowParenRegion        PreProc
  HiLink jsFlowClass              PreProc
  HiLink jsFlowTypeObject         PreProc
  HiLink jsFlowTypeKey            PreProc
  HiLink jsFlowTypeValue          PreProc
  HiLink jsFlowClassProperty      jsClassProperty
  HiLink jsFlowType               Type
  HiLink jsFlowDeclareKeyword     Type
  HiLink jsFlowNoise              Noise
  delcommand HiLink
endif

endif
if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'javascript') == -1
  
syntax region  jsFlowTypeStatement            start=/type/    end=/=/     oneline skipwhite skipempty nextgroup=jsFlowTypeObject
syntax region  jsFlowDeclareBlock             start=/declare/ end=/[;\n]/ oneline contains=jsFlow,jsFlowDeclareKeyword,jsFlowStorageClass
syntax region  jsFlow                         start=/:/       end=/\%(\%([),=;\n]\|{\%(.*}\)\@!\|\%({.*}\)\@<=\s*{\)\@=\|void\)/ contains=@jsFlowCluster oneline skipwhite skipempty nextgroup=jsFuncBlock
syntax region  jsFlowReturn         contained start=/:/       end=/\%(\S\s*\%({\%(.*}\)\@!\)\@=\|\n\)/ contains=@jsFlowCluster oneline skipwhite skipempty nextgroup=jsFuncBlock keepend
syntax region  jsFlowTypeObject     contained start=/{/       end=/}/ contains=jsFlowTypeKey skipwhite skipempty nextgroup=jsFunctionBlock extend
syntax match   jsFlowTypeKey        contained /\<[0-9a-zA-Z_$?]*\>\(\s*:\)\@=/ skipwhite skipempty nextgroup=jsFlowTypeValue
syntax region  jsFlowTypeValue      contained matchgroup=jsFlowNoise start=/:/       end=/[,}]/ contains=@jsFlowCluster
syntax region  jsFlowObject         contained matchgroup=jsFlowNoise start=/{/       end=/}/     oneline contains=@jsFlowCluster
syntax region  jsFlowArray          contained matchgroup=jsFlowNoise start=/\[/      end=/\]/    oneline contains=@jsFlowCluster
syntax region  jsFlowArrow          contained matchgroup=jsFlowNoise start=/(/       end=/)\s*=>/     oneline contains=@jsFlowCluster
syntax keyword jsFlowDeclareKeyword contained declare
syntax keyword jsFlowType           contained boolean number string null void any mixed JSON array function object Array
syntax match   jsFlowClassProperty  contained /\<[0-9a-zA-Z_$]*\>:\@=/ skipwhite skipempty nextgroup=jsFlow
syntax match   jsFlowNoise          contained /[:;,<>]/
syntax cluster jsFlowCluster        contains=jsFlowType,jsFlowArray,jsFlowObject,jsFlowNoise,jsFlowArrow
syntax keyword jsFlowStorageClass   contained const var let
syntax region  jsFlowParenRegion    contained start=/:\s*(/ end=/)\%(\s*:\)\@=/ oneline contains=@jsFlowCluster skipwhite skipempty nextgroup=jsObjectValue
syntax region  jsFlowClass          contained matchgroup=jsFlowNoise start=/</ end=/>/ oneline contains=@jsFlowCluster skipwhite skipempty nextgroup=jsClassBlock

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 jsFlow                   PreProc
  HiLink jsFlowReturn             PreProc
  HiLink jsFlowArray              PreProc
  HiLink jsFlowDeclareBlock       PreProc
  HiLink jsFlowObject             PreProc
  HiLink jsFlowParenRegion        PreProc
  HiLink jsFlowClass              PreProc
  HiLink jsFlowTypeObject         PreProc
  HiLink jsFlowTypeKey            PreProc
  HiLink jsFlowTypeValue          PreProc
  HiLink jsFlowClassProperty      jsClassProperty
  HiLink jsFlowType               Type
  HiLink jsFlowDeclareKeyword     Type
  HiLink jsFlowNoise              Noise
  delcommand HiLink
endif

endif
if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'javascript') == -1
  
syntax region  jsFlowTypeStatement            start=/type/    end=/=/     oneline skipwhite skipempty nextgroup=jsFlowTypeObject
syntax region  jsFlowDeclareBlock             start=/declare/ end=/[;\n]/ oneline contains=jsFlow,jsFlowDeclareKeyword,jsFlowStorageClass
syntax region  jsFlow                         start=/:/       end=/\%(\%([),=;\n]\|{\%(.*}\)\@!\|\%({.*}\)\@<=\s*{\)\@=\|void\)/ contains=@jsFlowCluster oneline skipwhite skipempty nextgroup=jsFuncBlock
syntax region  jsFlowReturn         contained start=/:/       end=/\%(\S\s*\%({\%(.*}\)\@!\)\@=\|\n\)/ contains=@jsFlowCluster oneline skipwhite skipempty nextgroup=jsFuncBlock keepend
syntax region  jsFlowTypeObject     contained start=/{/       end=/}/ contains=jsFlowTypeKey skipwhite skipempty nextgroup=jsFunctionBlock extend
syntax match   jsFlowTypeKey        contained /\<[0-9a-zA-Z_$?]*\>\(\s*:\)\@=/ skipwhite skipempty nextgroup=jsFlowTypeValue
syntax region  jsFlowTypeValue      contained matchgroup=jsFlowNoise start=/:/       end=/[,}]/ contains=@jsFlowCluster
syntax region  jsFlowObject         contained matchgroup=jsFlowNoise start=/{/       end=/}/     oneline contains=@jsFlowCluster
syntax region  jsFlowArray          contained matchgroup=jsFlowNoise start=/\[/      end=/\]/    oneline contains=@jsFlowCluster
syntax region  jsFlowArrow          contained matchgroup=jsFlowNoise start=/(/       end=/)\s*=>/     oneline contains=@jsFlowCluster
syntax keyword jsFlowDeclareKeyword contained declare
syntax keyword jsFlowType           contained boolean number string null void any mixed JSON array function object Array
syntax match   jsFlowClassProperty  contained /\<[0-9a-zA-Z_$]*\>:\@=/ skipwhite skipempty nextgroup=jsFlow
syntax match   jsFlowNoise          contained /[:;,<>]/
syntax cluster jsFlowCluster        contains=jsFlowType,jsFlowArray,jsFlowObject,jsFlowNoise,jsFlowArrow
syntax keyword jsFlowStorageClass   contained const var let
syntax region  jsFlowParenRegion    contained start=/:\s*(/ end=/)\%(\s*:\)\@=/ oneline contains=@jsFlowCluster skipwhite skipempty nextgroup=jsObjectValue
syntax region  jsFlowClass          contained matchgroup=jsFlowNoise start=/</ end=/>/ oneline contains=@jsFlowCluster skipwhite skipempty nextgroup=jsClassBlock

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 jsFlow                   PreProc
  HiLink jsFlowReturn             PreProc
  HiLink jsFlowArray              PreProc
  HiLink jsFlowDeclareBlock       PreProc
  HiLink jsFlowObject             PreProc
  HiLink jsFlowParenRegion        PreProc
  HiLink jsFlowClass              PreProc
  HiLink jsFlowTypeObject         PreProc
  HiLink jsFlowTypeKey            PreProc
  HiLink jsFlowTypeValue          PreProc
  HiLink jsFlowClassProperty      jsClassProperty
  HiLink jsFlowType               Type
  HiLink jsFlowDeclareKeyword     Type
  HiLink jsFlowNoise              Noise
  delcommand HiLink
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
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