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A ton of flow fixes
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Fixes #901
Fixes #966
Fixes #983
Fixes #891
Fixes #885
Fixes #845
Fixes #792
Fixes #723
Fixes #567

This is all a bit hairy, but I think I put a big dent in a lot of the
common flow problems that have been reported. I want to sit on these
changes for a few days though to make sure I didn't cause a serious
regression.
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@amadeus
amadeus committed Jul 9, 2017
1 parent ff5e284 commit 9035fa1
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Showing 2 changed files with 24 additions and 13 deletions.
29 changes: 20 additions & 9 deletions extras/flow.vim
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Original file line number Diff line number Diff line change
Expand Up @@ -2,24 +2,25 @@ syntax region jsFlowDefinition contained start=/:/
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 region jsFlowExactObject contained matchgroup=jsFlowNoise start=/{|/ end=/|}/ contains=@jsFlowCluster
syntax region jsFlowParens contained matchgroup=jsFlowNoise start=/(/ end=/)/ contains=@jsFlowCluster keepend
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,jsFlowObject,jsFlowReturnObject
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
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
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 region jsFlowReturnParens contained matchgroup=jsFlowNoise start=/(/ end=/)/ contains=@jsFlowCluster skipwhite skipempty nextgroup=jsFuncBlock,jsFlowReturnOrOp,jsFlowReturnArrow
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
syntax region jsFlowReturnGroup contained matchgroup=jsFlowNoise start=/</ end=/>/ contains=@jsFlowCluster skipwhite skipempty nextgroup=jsFuncBlock,jsFlowReturnOrOp
Expand All @@ -30,7 +31,8 @@ syntax region jsFlowFunctionGroup contained matchgroup=jsFlowNoise start=/</ e
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 start=/=/ end=/[;\n]/ contains=@jsExpression,jsFlowGroup,jsFlowMaybe
syntax region jsFlowTypeValue contained start=/=/ end=/[;\n]/ contains=@jsFlowCluster,jsFlowGroup,jsFlowMaybe
syntax match jsOperator contained /=/ containedin=jsFlowTypeValue
syntax match jsFlowTypeOperator contained /=/
syntax keyword jsFlowTypeKeyword contained type

Expand All @@ -42,10 +44,16 @@ syntax region jsFlowModule contained start=/module/ end=/{\@=/ skipempt
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
" 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

syntax cluster jsFlowReturnCluster contains=jsFlowNoise,jsFlowReturnObject,jsFlowReturnArray,jsFlowReturnKeyword,jsFlowReturnGroup,jsFlowReturnMaybe,jsFlowReturnOrOp,jsFlowWildcardReturn
syntax cluster jsFlowCluster contains=jsFlowArray,jsFlowObject,jsFlowNoise,jsFlowTypeof,jsFlowType,jsFlowGroup,jsFlowArrowArguments,jsFlowMaybe,jsFlowParens,jsFlowOrOperator,jsFlowWildcard
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
Expand All @@ -62,9 +70,11 @@ if version >= 508 || !exists("did_javascript_syn_inits")
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
Expand All @@ -73,6 +83,7 @@ if version >= 508 || !exists("did_javascript_syn_inits")
HiLink jsFlowClassGroup PreProc
HiLink jsFlowArrowArguments PreProc
HiLink jsFlowArrow PreProc
HiLink jsFlowReturnArrow PreProc
HiLink jsFlowTypeStatement PreProc
HiLink jsFlowTypeKeyword PreProc
HiLink jsFlowTypeOperator PreProc
Expand All @@ -84,7 +95,7 @@ if version >= 508 || !exists("did_javascript_syn_inits")
HiLink jsFlowInterface PreProc
HiLink jsFlowNoise Noise
HiLink jsFlowObjectKey jsObjectKey
HiLink jsFlowOrOperator PreProc
HiLink jsFlowOrOperator jsOperator
HiLink jsFlowReturnOrOp jsFlowOrOperator
HiLink jsFlowWildcard PreProc
HiLink jsFlowWildcardReturn PreProc
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8 changes: 4 additions & 4 deletions syntax/javascript.vim
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Original file line number Diff line number Diff line change
Expand Up @@ -41,14 +41,14 @@ syntax keyword jsBooleanFalse false

" Modules
syntax keyword jsImport import skipwhite skipempty nextgroup=jsModuleAsterisk,jsModuleKeyword,jsModuleGroup,jsFlowImportType
syntax keyword jsExport export skipwhite skipempty nextgroup=@jsAll,jsModuleGroup,jsExportDefault,jsModuleAsterisk,jsModuleKeyword
syntax keyword jsExport export skipwhite skipempty nextgroup=@jsAll,jsModuleGroup,jsExportDefault,jsModuleAsterisk,jsModuleKeyword,jsFlowTypeStatement
syntax match jsModuleKeyword contained /\k\+/ skipwhite skipempty nextgroup=jsModuleAs,jsFrom,jsModuleComma
syntax keyword jsExportDefault contained default skipwhite skipempty nextgroup=@jsExpression
syntax keyword jsExportDefaultGroup contained default skipwhite skipempty nextgroup=jsModuleAs,jsFrom,jsModuleComma
syntax match jsModuleAsterisk contained /\*/ skipwhite skipempty nextgroup=jsModuleKeyword,jsModuleAs,jsFrom
syntax keyword jsModuleAs contained as skipwhite skipempty nextgroup=jsModuleKeyword,jsExportDefaultGroup
syntax keyword jsFrom contained from skipwhite skipempty nextgroup=jsString
syntax match jsModuleComma contained /,/ skipwhite skipempty nextgroup=jsModuleKeyword,jsModuleAsterisk,jsModuleGroup
syntax match jsModuleComma contained /,/ skipwhite skipempty nextgroup=jsModuleKeyword,jsModuleAsterisk,jsModuleGroup,jsFlowTypeKeyword

" Strings, Templates, Numbers
syntax region jsString start=+"+ skip=+\\\("\|$\)+ end=+"\|$+ contains=jsSpecial,@Spell extend
Expand Down Expand Up @@ -141,7 +141,7 @@ syntax keyword jsHtmlEvents onblur onclick oncontextmenu ondblclick onfocus

" Code blocks
syntax region jsBracket matchgroup=jsBrackets start=/\[/ end=/\]/ contains=@jsExpression,jsSpreadExpression extend fold
syntax region jsParen matchgroup=jsParens start=/(/ end=/)/ contains=@jsAll extend fold
syntax region jsParen matchgroup=jsParens start=/(/ end=/)/ contains=@jsExpression extend fold nextgroup=jsFlowDefinition
syntax region jsParenDecorator contained matchgroup=jsParensDecorator start=/(/ end=/)/ contains=@jsAll extend fold
syntax region jsParenIfElse contained matchgroup=jsParensIfElse start=/(/ end=/)/ contains=@jsAll skipwhite skipempty nextgroup=jsCommentIfElse,jsIfElseBlock extend fold
syntax region jsParenRepeat contained matchgroup=jsParensRepeat start=/(/ end=/)/ contains=@jsAll skipwhite skipempty nextgroup=jsCommentRepeat,jsRepeatBlock extend fold
Expand All @@ -159,7 +159,7 @@ syntax region jsDestructuringBlock contained matchgroup=jsDestructuringBraces s
syntax region jsDestructuringArray contained matchgroup=jsDestructuringBraces start=/\[/ end=/\]/ contains=jsDestructuringPropertyValue,jsNoise,jsDestructuringProperty,jsSpreadExpression,jsComment extend fold
syntax region jsObject contained matchgroup=jsObjectBraces start=/{/ end=/}/ contains=jsObjectKey,jsObjectKeyString,jsObjectKeyComputed,jsObjectSeparator,jsObjectFuncName,jsObjectMethodType,jsGenerator,jsComment,jsObjectStringKey,jsSpreadExpression,jsDecorator,jsAsyncKeyword extend fold
syntax region jsBlock matchgroup=jsBraces start=/{/ end=/}/ contains=@jsAll,jsSpreadExpression extend fold
syntax region jsModuleGroup contained matchgroup=jsModuleBraces start=/{/ end=/}/ contains=jsModuleKeyword,jsModuleComma,jsModuleAs,jsComment skipwhite skipempty nextgroup=jsFrom fold
syntax region jsModuleGroup contained matchgroup=jsModuleBraces start=/{/ end=/}/ contains=jsModuleKeyword,jsModuleComma,jsModuleAs,jsComment,jsFlowTypeKeyword skipwhite skipempty nextgroup=jsFrom fold
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 extend skipwhite skipempty nextgroup=@jsExpression
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