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,jsComment fold
syntax region jsFlowObject contained matchgroup=jsFlowNoise start=/{/ end=/}/ contains=@jsFlowCluster,jsComment fold
syntax region jsFlowExactObject contained matchgroup=jsFlowNoise start=/{|/ end=/|}/ contains=@jsFlowCluster,jsComment fold
syntax region jsFlowParens contained matchgroup=jsFlowNoise start=/(/ end=/)/ contains=@jsFlowCluster keepend fold
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 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 keyword jsFlowImportType contained type skipwhite skipempty nextgroup=jsModuleAsterisk,jsModuleKeyword,jsModuleGroup
syntax match jsFlowWildcard contained /*/
syntax match jsFlowReturn contained /:\s*/ contains=jsFlowNoise skipwhite skipempty nextgroup=@jsFlowReturnCluster,jsFlowArrow,jsFlowReturnParens
syntax region jsFlowReturnObject contained matchgroup=jsFlowNoise start=/{/ end=/}/ contains=@jsFlowCluster skipwhite skipempty nextgroup=jsFuncBlock,jsFlowReturnOrOp fold
syntax region jsFlowReturnArray contained matchgroup=jsFlowNoise start=/\[/ end=/\]/ contains=@jsFlowCluster skipwhite skipempty nextgroup=jsFuncBlock,jsFlowReturnOrOp fold
syntax region jsFlowReturnParens contained matchgroup=jsFlowNoise start=/(/ end=/)/ contains=@jsFlowCluster skipwhite skipempty nextgroup=jsFuncBlock,jsFlowReturnOrOp,jsFlowReturnArrow fold
syntax match jsFlowReturnArrow contained /=>/ skipwhite skipempty nextgroup=@jsFlowReturnCluster
syntax match jsFlowReturnKeyword contained /\k\+/ contains=jsFlowType,jsFlowTypeCustom skipwhite skipempty nextgroup=jsFlowReturnGroup,jsFuncBlock,jsFlowReturnOrOp
syntax match jsFlowReturnMaybe contained /?/ skipwhite skipempty nextgroup=jsFlowReturnKeyword,jsFlowReturnObject
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 match jsFlowWildcardReturn contained /*/ skipwhite skipempty nextgroup=jsFuncBlock
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\%(\s\+\k\)\@=/ end=/=\@=/ contains=jsFlowTypeOperator oneline skipwhite skipempty nextgroup=jsFlowTypeValue keepend
syntax region jsFlowTypeValue contained matchgroup=jsFlowNoise start=/=/ end=/[\n;]/ contains=@jsFlowCluster,jsFlowGroup,jsFlowMaybe
syntax match jsFlowTypeOperator contained /=/ containedin=jsFlowTypeValue
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 fold
" NOTE: It appears the nextgroup was causing a ton of breakages... testing it
" witout a nextgroup, but keeping this arround for reference incase something breaks
" syntax match jsFlowMaybe contained /?/ nextgroup=jsFlowType,jsFlowTypeCustom,jsFlowParens,jsFlowArrowArguments,jsFlowObject,jsFlowReturnObject extend keepend
syntax match jsFlowMaybe contained /?/
syntax region jsFlowInterfaceBlock contained matchgroup=jsFlowNoise start=/{/ end=/}/ contains=jsObjectKey,jsObjectKeyString,jsObjectKeyComputed,jsObjectSeparator,jsObjectFuncName,jsObjectMethodType,jsGenerator,jsComment,jsObjectStringKey,jsSpreadExpression,jsFlowNoise keepend fold
syntax region jsFlowParenAnnotation contained start=/:/ end=/[,=)]\@=/ containedin=jsParen contains=@jsFlowCluster
syntax cluster jsFlowReturnCluster contains=jsFlowNoise,jsFlowReturnObject,jsFlowReturnArray,jsFlowReturnKeyword,jsFlowReturnGroup,jsFlowReturnMaybe,jsFlowReturnOrOp,jsFlowWildcardReturn,jsFlowReturnArrow
syntax cluster jsFlowCluster contains=jsFlowArray,jsFlowObject,jsFlowExactObject,jsFlowNoise,jsFlowTypeof,jsFlowType,jsFlowGroup,jsFlowArrowArguments,jsFlowMaybe,jsFlowParens,jsFlowOrOperator,jsFlowWildcard
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 jsFlowExactObject PreProc
HiLink jsFlowParens PreProc
HiLink jsFlowGroup PreProc
HiLink jsFlowReturn PreProc
HiLink jsFlowParenAnnotation 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 jsFlowReturnArrow PreProc
HiLink jsFlowTypeStatement PreProc
HiLink jsFlowTypeKeyword PreProc
HiLink jsFlowTypeOperator Operator
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 jsOperator
HiLink jsFlowReturnOrOp jsFlowOrOperator
HiLink jsFlowWildcard PreProc
HiLink jsFlowWildcardReturn PreProc
HiLink jsFlowImportType PreProc
HiLink jsFlowTypeValue PreProc
delcommand HiLink
endif
endif
