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3331 lines (3181 loc) · 136 KB
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# [PackageDev] target_format: plist, ext: tmLanguage
---
name: TypeScript
scopeName: source.ts
fileTypes: [ts]
uuid: ef98eb90-bf9b-11e4-bb52-0800200c9a66
variables:
startOfIdentifier: (?<![_$[:alnum:]])(?:(?<=\.\.\.)|(?<!\.))
endOfIdentifier: (?![_$[:alnum:]])(?:(?=\.\.\.)|(?!\.))
propertyAccess: (?:(\.)|(\?\.(?!\s*[[:digit:]])))
propertyAccessPreIdentifier: \??\.\s*
identifier: '[_$[:alpha:]][_$[:alnum:]]*'
constantIdentifier: '[[:upper:]][_$[:digit:][:upper:]]*'
propertyIdentifier: '\#?{{identifier}}'
constantPropertyIdentifier: '\#?{{constantIdentifier}}'
quotedStrings: (\'([^\'\\]|\\.)*\')|(\"([^\"\\]|\\.)*\")|(\`([^\`\\]|\\.)*\`)
nonIdentifierPropertyName: '{{quotedStrings}}|(\[([^\[\]]|\[[^\[\]]*\])+\])'
label: ({{identifier}})\s*(:)
hexNumber: \b(?<!\$)0(?:x|X)[0-9a-fA-F][0-9a-fA-F_]*(n)?\b(?!\$)
binaryNumber: \b(?<!\$)0(?:b|B)[01][01_]*(n)?\b(?!\$)
octalNumber: \b(?<!\$)0(?:o|O)?[0-7][0-7_]*(n)?\b(?!\$)
decimalNumber: |-
(?<!\$)(?:
(?:\b[0-9][0-9_]*(\.)[0-9][0-9_]*[eE][+-]?[0-9][0-9_]*(n)?\b)| # 1.1E+3
(?:\b[0-9][0-9_]*(\.)[eE][+-]?[0-9][0-9_]*(n)?\b)| # 1.E+3
(?:\B(\.)[0-9][0-9_]*[eE][+-]?[0-9][0-9_]*(n)?\b)| # .1E+3
(?:\b[0-9][0-9_]*[eE][+-]?[0-9][0-9_]*(n)?\b)| # 1E+3
(?:\b[0-9][0-9_]*(\.)[0-9][0-9_]*(n)?\b)| # 1.1
(?:\b[0-9][0-9_]*(\.)(n)?\B)| # 1.
(?:\B(\.)[0-9][0-9_]*(n)?\b)| # .1
(?:\b[0-9][0-9_]*(n)?\b(?!\.)) # 1
)(?!\$)
anyNumber: ({{hexNumber}})|({{binaryNumber}})|({{octalNumber}})|({{decimalNumber}})
# any use of property name needs to ignore line breaks in regular expression because of decimal number regex (maintained for readability)
propertyName: ({{anyNumber}}|({{identifier}})|{{nonIdentifierPropertyName}})
propertyNameWithPrivate: ({{anyNumber}}|({{propertyIdentifier}})|{{nonIdentifierPropertyName}})
constantVar: ({{constantIdentifier}})(?![_$[:alnum:]])
usingKeyword: '(?:\busing(?=\s+(?!in\b|of\b(?!\s*(?:of\b|=)))[_$[:alpha:]])\b)'
awaitUsingKeyword: '(?:\bawait\s+{{usingKeyword}}\b)'
constructsAndModifiers: '(?:abstract|async|{{awaitUsingKeyword}}|break|case|catch|class|const|continue|declare|do|else|enum|export|finally|function|for|goto|if|import|interface|let|module|namespace|switch|return|throw|try|type|{{usingKeyword}}|var|while)\b'
endOfStatement: ';|^\s*$|(?:^\s*{{constructsAndModifiers}})'
varExprStart: '{{startOfDeclaration}}\b(var|let){{endOfIdentifier}}'
constExprStart: '{{startOfDeclaration}}\b(const(?!\s+enum\b)){{endOfIdentifier}}'
usingExprStart: '{{startOfDeclaration}}\b({{usingKeyword}}|{{awaitUsingKeyword}}){{endOfIdentifier}}'
nonPropertyLookBehind: '[^\._$[:alnum:]]'
lookBehindReturn: '^return|{{nonPropertyLookBehind}}return'
lookBehindThrow: '^throw|{{nonPropertyLookBehind}}throw'
lookBehindYield: '^yield|{{nonPropertyLookBehind}}yield'
lookBehindAwait: '^await|{{nonPropertyLookBehind}}await'
lookBehindDefault: '^default|{{nonPropertyLookBehind}}default'
lookBehindConst: '^const|{{nonPropertyLookBehind}}const'
lookBehindLet: '^let|{{nonPropertyLookBehind}}let'
lookBehindUsing: '^using|{{nonPropertyLookBehind}}using'
lookBehindAwaitUsing: '^await\s+using|{{nonPropertyLookBehind}}await\s+using'
lookBehindVar: '^var|{{nonPropertyLookBehind}}var'
lookBehindIn: '^in|{{nonPropertyLookBehind}}in'
lookBehindOf: '^of|{{nonPropertyLookBehind}}of'
lookBehindTypeof: '^typeof|{{nonPropertyLookBehind}}typeof'
lookBehindCase: '^case|{{nonPropertyLookBehind}}case'
lookBehindImport: '^import|{{nonPropertyLookBehind}}import'
lookAheadEndOfType: '[;),}\]:?\-\+\>]|\|\||\&\&|\!\=\=|$'
matchingParenthesis: (\(([^\(\)]|(\(([^\(\)]|\([^\(\)]*\))*\)))*\))
matchingBraces: (\{([^\{\}]|(\{([^\{\}]|\{[^\{\}]*\})*\}))*\})
matchingBrackets: (\[([^\[\]]|(\[([^\[\]]|\[[^\[\]]*\])*\]))*\])
inlineComment: \/\*([^\*]|(\*[^\/]))*\*\/
startOfDeclaration: '{{startOfIdentifier}}(?:(\bexport)\s+)?(?:(\bdeclare)\s+)?'
lookBehindOfPossiblyMultilineArrowWithDestructuring: (?<=[(=,])
lookBehindOfPossiblyMultilineArrow: (?<=[(=,]|=>|{{lookBehindReturn}})
lookBehindOfObjectMemberPossiblyMultilineArrow: (?<=:)
# Identifier start | matching braces | matching parenthesis | matching square brackets
typeParamersStart: (((const\s+)?[_$[:alpha:]])|{{matchingBraces}}|{{matchingParenthesis}}|{{matchingBrackets}})
typeParameters: (<\s*{{typeParamersStart}}([^=<>]|=[^<]|\<\s*{{typeParamersStart}}([^=<>]|=[^<]|\<\s*{{typeParamersStart}}([^=<>]|=[^<])*\>)*\>)*>\s*)
# Identifier start | matching braces | matching parenthesis | matching square brackets | matching strings
typeArgumentsStart: (((keyof|infer|typeof|readonly)\s+)|(({{identifier}}|{{matchingBraces}}|{{matchingParenthesis}}|{{matchingBrackets}}|{{quotedStrings}})(?=\s*([\<\>\,\.\[]|=>|&(?!&)|\|(?!\|)))))
typeArgumentsInnerExpressionPart: '[^<>\(]|{{matchingParenthesis}}|(?<==)\>'
typeArguments: '<\s*{{typeArgumentsStart}}({{typeArgumentsInnerExpressionPart}}|\<\s*{{typeArgumentsStart}}(({{typeArgumentsInnerExpressionPart}}|\<\s*{{typeArgumentsStart}}({{typeArgumentsInnerExpressionPart}})*(?<!=)\>))*(?<!=)\>)*(?<!=)>'
possiblyMultilineTypeArgument: (<\s*[\{\[\(]\s*$)
functionCallLookup: \s*(?:(\?\.\s*)|(\!))?(({{typeArguments}}\s*)?\()
functionCallNamedTarget: (({{identifier}})(\s*{{propertyAccessPreIdentifier}}({{propertyIdentifier}}))*)|({{propertyAccessPreIdentifier}}{{propertyIdentifier}})
functionCallTarget: (({{functionCallNamedTarget}})|(?<=[\)]))
possiblyMultilineCallWithTypeArguments: \s*(?:(\?\.\s*)|(\!))?{{possiblyMultilineTypeArgument}}
possiblyType: \s*([^<>\(\)\{\}]|\<([^<>]|\<([^<>]|\<[^<>]+\>)+\>)+\>|\([^\(\)]+\)|\{[^\{\}]+\})+
typeparamertStartOfArrow: ''
arrowLookup: |-
# sure shot arrow functions even if => is on new line
(
{{typeParameters}}?
[(]\s*({{inlineComment}}\s*)*
(
([)]\s*:) | # ():
((\.\.\.\s*)?{{identifier}}\s*:) # [(]param: | [(]...param:
)
) |
{{typeparamertStartOfArrow}}
# arrow function possible to detect only with => on same line
(
{{typeParameters}}? # typeparameters
\(\s*({{inlineComment}}\s*)*(([_$[:alpha:]]|{{matchingBraces}}|{{matchingBrackets}}|(\.\.\.\s*[_$[:alpha:]]))([^()\'\"\`]|{{matchingParenthesis}}|{{quotedStrings}})*)?\) # parameters
(\s*:{{possiblyType}})? # return type
\s*=> # arrow operator
)
possiblyMultilineArrowExpressionBeforeEndOfLine: ((({{typeParameters}})?\()|(<)|({{typeParameters}}))
possiblyMultilineObjectBindingPattern: '{{matchingBraces}}\s*((:\s*\{?$)|(({{possiblyType}}\s*)?=\s*))'
possiblyMultilineArrayBindingPattern: '{{matchingBrackets}}\s*((:\s*\[?$)|(({{possiblyType}}\s*)?=\s*))'
possiblyMultilineArrowWParamters: '((([\{\[]\s*)?$)|({{possiblyMultilineObjectBindingPattern}})|({{possiblyMultilineArrayBindingPattern}}))'
possiblyMultilineArrowWithoutTypeParameters: '[\(]\s*{{possiblyMultilineArrowWParamters}}'
possiblyMultilineArrow: ((<\s*$)|({{typeParameters}}?{{possiblyMultilineArrowWithoutTypeParameters}})) # during lookup treat <typeparameters>?( followed by line end as arrow or < followed by new line
functionOrArrowLookup: |-
\s*(
((async\s+)?(
(function\s*[(<*]) |
(function\s+) |
({{identifier}}\s*=>)
)) |
((async\s*)?(
{{possiblyMultilineArrow}} |
{{arrowLookup}}
))
)
functionLikeType: |-
(:\s*(
(<) |
([(]\s*(
([)]) |
(\.\.\.) |
([_$[:alnum:]]+\s*(
([:,?=])|
([)]\s*=>)
))
))
)) |
(:\s*{{startOfIdentifier}}Function{{endOfIdentifier}}) |
(:\s*{{possiblyMultilineArrow}})
functionLikeAssignmentOrType: |-
\s*
# function assignment |
(={{functionOrArrowLookup}}) |
# typeannotation is fn type: < | () | (... | (param: | (param, | (param? | (param= | (param) =>
{{functionLikeType}} |
(:\s*(=>|{{matchingParenthesis}}|(<[^<>]*>)|[^<>(),=])+={{functionOrArrowLookup}})
arrowFunctionEnd: (?==>|\{|(^\s*(export|function|class|interface|let|var|{{usingKeyword}}|{{awaitUsingKeyword}}|const|import|enum|namespace|module|type|abstract|declare)\s+))
regexpTail: ([dgimsuvy]+|(?![\/\*])|(?=\/\*))(?!\s*[a-zA-Z0-9_$])
completeRegexp: \/(?![\/*])(?=(?:[^\/\\\[]|\\.|\[([^\]\\]|\\.)*\])+\/{{regexpTail}})
patterns:
- include: '#directives'
- include: '#statements'
- include: '#shebang'
repository:
shebang:
name: comment.line.shebang.ts
match: \A(#!).*(?=$)
captures:
'1': { name: punctuation.definition.comment.ts }
statements:
patterns:
- include: '#declaration'
- include: '#control-statement'
- include: '#after-operator-block-as-object-literal'
- include: '#decl-block'
- include: '#label'
- include: '#expression'
- include: '#punctuation-semicolon'
- include: '#string'
- include: '#comment'
declaration:
patterns:
- include: '#decorator'
- include: '#var-expr'
- include: '#function-declaration'
- include: '#class-declaration'
- include: '#interface-declaration'
- include: '#enum-declaration'
- include: '#namespace-declaration'
- include: '#type-alias-declaration'
- include: '#import-equals-declaration'
- include: '#import-declaration'
- include: '#export-declaration'
- name: storage.modifier.ts
match: '{{startOfIdentifier}}(declare|export){{endOfIdentifier}}'
control-statement:
patterns:
- include: '#switch-statement'
- include: '#for-loop'
- name: keyword.control.trycatch.ts
match: '{{startOfIdentifier}}(catch|finally|throw|try){{endOfIdentifier}}'
- match: '{{startOfIdentifier}}(break|continue|goto)\s+({{identifier}}){{endOfIdentifier}}'
captures:
'1': { name: keyword.control.loop.ts }
'2': { name: entity.name.label.ts }
- name: keyword.control.loop.ts
match: '{{startOfIdentifier}}(break|continue|do|goto|while){{endOfIdentifier}}'
- begin: '{{startOfIdentifier}}(return){{endOfIdentifier}}'
beginCaptures:
'0': { name: keyword.control.flow.ts }
end: (?=[;}]|$|{{endOfStatement}})
patterns:
- include: '#expression'
- name: keyword.control.switch.ts
match: '{{startOfIdentifier}}(case|default|switch){{endOfIdentifier}}'
- include: '#if-statement'
- name: keyword.control.conditional.ts
match: '{{startOfIdentifier}}(else|if){{endOfIdentifier}}'
- name: keyword.control.with.ts
match: '{{startOfIdentifier}}(with){{endOfIdentifier}}'
- name: keyword.control.ts
match: '{{startOfIdentifier}}(package){{endOfIdentifier}}'
- name: keyword.other.debugger.ts
match: '{{startOfIdentifier}}(debugger){{endOfIdentifier}}'
label:
patterns:
# handle declaration block followed by label so as to not confuse it with { followed by ternary operator which would be object literal
- begin: '{{label}}(?=\s*\{)'
beginCaptures:
'1': { name: entity.name.label.ts }
'2': { name: punctuation.separator.label.ts }
end: (?<=\})
patterns:
- include: '#decl-block'
- match: '{{label}}'
captures:
'1': { name: entity.name.label.ts }
'2': { name: punctuation.separator.label.ts }
expression:
patterns:
- include: '#expressionWithoutIdentifiers'
- include: '#identifiers'
- include: '#expressionPunctuations'
expressionWithoutIdentifiers:
patterns:
- include: '#string'
- include: '#regex'
- include: '#comment'
- include: '#function-expression'
- include: '#class-expression'
- include: '#arrow-function'
- include: '#paren-expression-possibly-arrow'
- include: '#cast'
- include: '#ternary-expression'
- include: '#new-expr'
- include: '#instanceof-expr'
- include: '#object-literal'
- include: '#expression-operators'
- include: '#function-call'
- include: '#literal'
- include: '#support-objects'
- include: '#paren-expression'
expressionPunctuations:
patterns:
- include: '#punctuation-comma'
- include: '#punctuation-accessor'
decorator:
name: meta.decorator.ts
begin: '{{startOfIdentifier}}\@'
beginCaptures:
'0': { name: punctuation.decorator.ts }
end: (?=\s)
patterns:
- include: '#expression'
#variable, parameters, fields
var-expr:
patterns:
# let/var
- name: meta.var.expr.ts
begin: (?={{varExprStart}})
end: (?!{{varExprStart}})((?=^|;|}|({{startOfIdentifier}}(of|in)\s+)|{{endOfStatement}})|((?<!{{lookBehindLet}}|{{lookBehindVar}})(?=\s*$)))
patterns:
- begin: '{{varExprStart}}\s*'
beginCaptures:
'1': { name: keyword.control.export.ts }
'2': { name: storage.modifier.ts }
'3': { name: storage.type.ts }
end: (?=\S)
- include: '#destructuring-variable'
- include: '#var-single-variable'
- include: '#variable-initializer'
- include: '#comment'
- begin: (,)\s*(?=$|\/\/)
beginCaptures:
'1': { name: punctuation.separator.comma.ts }
end: (?<!,)(((?==|;|}|({{startOfIdentifier}}(of|in)\s+)|^\s*$))|((?<=\S)(?=\s*$)))
patterns:
- include: '#single-line-comment-consuming-line-ending'
- include: '#comment'
- include: '#destructuring-variable'
- include: '#var-single-variable'
- include: '#punctuation-comma'
- include: '#punctuation-comma'
# const
- name: meta.var.expr.ts
begin: (?={{constExprStart}})
beginCaptures:
'1': { name: keyword.control.export.ts }
'2': { name: storage.modifier.ts }
'3': { name: storage.type.ts }
end: (?!{{constExprStart}})((?=^|;|}|({{startOfIdentifier}}(of|in)\s+)|{{endOfStatement}})|((?<!{{lookBehindConst}})(?=\s*$)))
patterns:
- begin: '{{constExprStart}}\s*'
beginCaptures:
'1': { name: keyword.control.export.ts }
'2': { name: storage.modifier.ts }
'3': { name: storage.type.ts }
end: (?=\S)
- include: '#destructuring-const'
- include: '#var-single-const'
- include: '#variable-initializer'
- include: '#comment'
- begin: (,)\s*(?=$|\/\/)
beginCaptures:
'1': { name: punctuation.separator.comma.ts }
end: (?<!,)(((?==|;|}|({{startOfIdentifier}}(of|in)\s+)|^\s*$))|((?<=\S)(?=\s*$)))
patterns:
- include: '#single-line-comment-consuming-line-ending'
- include: '#comment'
- include: '#destructuring-const'
- include: '#var-single-const'
- include: '#punctuation-comma'
- include: '#punctuation-comma'
# using/await using
- name: meta.var.expr.ts
begin: (?={{usingExprStart}})
beginCaptures:
'1': { name: keyword.control.export.ts }
'2': { name: storage.modifier.ts }
'3': { name: storage.type.ts }
end: (?!{{usingExprStart}})((?=;|}|({{startOfIdentifier}}(of|in)\s+)|{{endOfStatement}})|((?<!{{lookBehindUsing}}|{{lookBehindAwaitUsing}})(?=\s*$)))
patterns:
- begin: '{{usingExprStart}}\s*'
beginCaptures:
'1': { name: keyword.control.export.ts }
'2': { name: storage.modifier.ts }
'3': { name: storage.type.ts }
end: (?=\S)
- include: '#var-single-const'
- include: '#variable-initializer'
- include: '#comment'
- begin: (,)\s*((?!\S)|(?=\/\/))
beginCaptures:
'1': { name: punctuation.separator.comma.ts }
end: (?<!,)(((?==|;|}|({{startOfIdentifier}}(of|in)\s+)|^\s*$))|((?<=\S)(?=\s*$)))
patterns:
- include: '#single-line-comment-consuming-line-ending'
- include: '#comment'
- include: '#var-single-const'
- include: '#punctuation-comma'
- include: '#punctuation-comma'
var-single-variable:
patterns:
- name: meta.var-single-variable.expr.ts
begin: |-
(?x)({{identifier}})(\!)?(?={{functionLikeAssignmentOrType}})
beginCaptures:
'1': { name: meta.definition.variable.ts entity.name.function.ts }
'2': { name: keyword.operator.definiteassignment.ts }
end: (?=$|^|[;,=}]|({{startOfIdentifier}}(of|in)\s+)|({{endOfStatement}}))
patterns:
- include: '#var-single-variable-type-annotation'
- name: meta.var-single-variable.expr.ts
begin: '{{constantVar}}(\!)?'
beginCaptures:
'1': { name: meta.definition.variable.ts variable.other.constant.ts }
'2': { name: keyword.operator.definiteassignment.ts }
end: (?=$|^|[;,=}]|({{startOfIdentifier}}(of|in)\s+)|({{endOfStatement}}))
patterns:
- include: '#var-single-variable-type-annotation'
- name: meta.var-single-variable.expr.ts
begin: ({{identifier}})(\!)?
beginCaptures:
'1': { name: meta.definition.variable.ts variable.other.readwrite.ts }
'2': { name: keyword.operator.definiteassignment.ts }
end: (?=$|^|[;,=}]|({{startOfIdentifier}}(of|in)\s+)|({{endOfStatement}}))
patterns:
- include: '#var-single-variable-type-annotation'
var-single-const:
patterns:
- name: meta.var-single-variable.expr.ts
begin: |-
(?x)({{identifier}})(?={{functionLikeAssignmentOrType}})
beginCaptures:
'1': { name: meta.definition.variable.ts variable.other.constant.ts entity.name.function.ts }
end: (?=$|^|[;,=}]|({{startOfIdentifier}}(of|in)\s+)|({{endOfStatement}}))
patterns:
- include: '#var-single-variable-type-annotation'
- name: meta.var-single-variable.expr.ts
begin: ({{identifier}})
beginCaptures:
'1': { name: meta.definition.variable.ts variable.other.constant.ts }
end: (?=$|^|[;,=}]|({{startOfIdentifier}}(of|in)\s+)|({{endOfStatement}}))
patterns:
- include: '#var-single-variable-type-annotation'
var-single-variable-type-annotation:
patterns:
- include: '#type-annotation'
- include: '#string'
- include: '#comment'
destructuring-variable:
patterns:
- name: meta.object-binding-pattern-variable.ts
begin: (?<!=|:|{{lookBehindOf}}|{{lookBehindIn}})\s*(?=\{)
end: (?=$|^|[;,=}]|({{startOfIdentifier}}(of|in)\s+))
patterns:
- include: '#object-binding-pattern'
- include: '#type-annotation'
- include: '#comment'
- name: meta.array-binding-pattern-variable.ts
begin: (?<!=|:|{{lookBehindOf}}|{{lookBehindIn}})\s*(?=\[)
end: (?=$|^|[;,=}]|({{startOfIdentifier}}(of|in)\s+))
patterns:
- include: '#array-binding-pattern'
- include: '#type-annotation'
- include: '#comment'
destructuring-const:
patterns:
- name: meta.object-binding-pattern-variable.ts
begin: (?<!=|:|{{lookBehindOf}}|{{lookBehindIn}})\s*(?=\{)
end: (?=$|^|[;,=}]|({{startOfIdentifier}}(of|in)\s+))
patterns:
- include: '#object-binding-pattern-const'
- include: '#type-annotation'
- include: '#comment'
- name: meta.array-binding-pattern-variable.ts
begin: (?<!=|:|{{lookBehindOf}}|{{lookBehindIn}})\s*(?=\[)
end: (?=$|^|[;,=}]|({{startOfIdentifier}}(of|in)\s+))
patterns:
- include: '#array-binding-pattern-const'
- include: '#type-annotation'
- include: '#comment'
object-binding-element:
patterns:
- include: '#comment'
- begin: (?x)(?={{propertyName}}\s*(:))
end: (?=,|\})
patterns:
- include: '#object-binding-element-propertyName'
- include: '#binding-element'
- include: '#object-binding-pattern'
- include: '#destructuring-variable-rest'
- include: '#variable-initializer'
- include: '#punctuation-comma'
object-binding-element-const:
patterns:
- include: '#comment'
- begin: (?x)(?={{propertyName}}\s*(:))
end: (?=,|\})
patterns:
- include: '#object-binding-element-propertyName'
- include: '#binding-element-const'
- include: '#object-binding-pattern-const'
- include: '#destructuring-variable-rest-const'
- include: '#variable-initializer'
- include: '#punctuation-comma'
object-binding-element-propertyName:
begin: (?x)(?={{propertyName}}\s*(:))
end: (:)
endCaptures:
'0': { name: punctuation.destructuring.ts }
patterns:
- include: '#string'
- include: '#array-literal'
- include: '#numeric-literal'
- name: variable.object.property.ts
match: ({{identifier}})
binding-element:
patterns:
- include: '#comment'
- include: '#string'
- include: '#numeric-literal'
- include: '#regex'
- include: '#object-binding-pattern'
- include: '#array-binding-pattern'
- include: '#destructuring-variable-rest'
- include: '#variable-initializer'
binding-element-const:
patterns:
- include: '#comment'
- include: '#string'
- include: '#numeric-literal'
- include: '#regex'
- include: '#object-binding-pattern-const'
- include: '#array-binding-pattern-const'
- include: '#destructuring-variable-rest-const'
- include: '#variable-initializer'
destructuring-variable-rest:
match: (?:(\.\.\.)\s*)?({{identifier}})
captures:
'1': { name: keyword.operator.rest.ts }
'2': { name: meta.definition.variable.ts variable.other.readwrite.ts }
destructuring-variable-rest-const:
match: (?:(\.\.\.)\s*)?({{identifier}})
captures:
'1': { name: keyword.operator.rest.ts }
'2': { name: meta.definition.variable.ts variable.other.constant.ts }
object-binding-pattern:
begin: (?:(\.\.\.)\s*)?(\{)
beginCaptures:
'1': { name: keyword.operator.rest.ts }
'2': { name: punctuation.definition.binding-pattern.object.ts }
end: \}
endCaptures:
'0': { name: punctuation.definition.binding-pattern.object.ts }
patterns:
- include: '#object-binding-element'
object-binding-pattern-const:
begin: (?:(\.\.\.)\s*)?(\{)
beginCaptures:
'1': { name: keyword.operator.rest.ts }
'2': { name: punctuation.definition.binding-pattern.object.ts }
end: \}
endCaptures:
'0': { name: punctuation.definition.binding-pattern.object.ts }
patterns:
- include: '#object-binding-element-const'
array-binding-pattern:
begin: (?:(\.\.\.)\s*)?(\[)
beginCaptures:
'1': { name: keyword.operator.rest.ts }
'2': { name: punctuation.definition.binding-pattern.array.ts }
end: \]
endCaptures:
'0': { name: punctuation.definition.binding-pattern.array.ts }
patterns:
- include: '#binding-element'
- include: '#punctuation-comma'
array-binding-pattern-const:
begin: (?:(\.\.\.)\s*)?(\[)
beginCaptures:
'1': { name: keyword.operator.rest.ts }
'2': { name: punctuation.definition.binding-pattern.array.ts }
end: \]
endCaptures:
'0': { name: punctuation.definition.binding-pattern.array.ts }
patterns:
- include: '#binding-element-const'
- include: '#punctuation-comma'
# When doing modication to parameter name, also modify expression-inside-possibly-arrow-parens where this is inlined so as to make
# as optional operator only if it is not followed by assignment or type annotation
parameter-name:
patterns:
- match: '{{startOfIdentifier}}(override|public|protected|private|readonly)\s+(?=(override|public|protected|private|readonly)\s+)'
captures:
'1': { name: storage.modifier.ts }
- match: |-
(?x)(?:{{startOfIdentifier}}(override|public|private|protected|readonly)\s+)?(?:(\.\.\.)\s*)?(?<!=|:){{startOfIdentifier}}(?:(this)|({{identifier}})){{endOfIdentifier}}\s*(\??)(?={{functionLikeAssignmentOrType}})
captures:
'1': { name: storage.modifier.ts }
'2': { name: keyword.operator.rest.ts }
'3': { name: entity.name.function.ts variable.language.this.ts }
'4': { name: entity.name.function.ts }
'5': { name: keyword.operator.optional.ts }
- match: |-
(?x)(?:{{startOfIdentifier}}(override|public|private|protected|readonly)\s+)?(?:(\.\.\.)\s*)?(?<!=|:){{startOfIdentifier}}(?:(this)|({{identifier}})){{endOfIdentifier}}\s*(\??)
captures:
'1': { name: storage.modifier.ts }
'2': { name: keyword.operator.rest.ts }
'3': { name: variable.parameter.ts variable.language.this.ts }
'4': { name: variable.parameter.ts }
'5': { name: keyword.operator.optional.ts }
destructuring-parameter:
patterns:
- name: meta.parameter.object-binding-pattern.ts
begin: (?<!=|:)\s*(?:(\.\.\.)\s*)?(\{)
beginCaptures:
'1': { name: keyword.operator.rest.ts }
'2': { name: punctuation.definition.binding-pattern.object.ts }
end: \}
endCaptures:
'0': { name: punctuation.definition.binding-pattern.object.ts }
patterns:
- include: '#parameter-object-binding-element'
- name: meta.paramter.array-binding-pattern.ts
begin: (?<!=|:)\s*(?:(\.\.\.)\s*)?(\[)
beginCaptures:
'1': { name: keyword.operator.rest.ts }
'2': { name: punctuation.definition.binding-pattern.array.ts }
end: \]
endCaptures:
'0': { name: punctuation.definition.binding-pattern.array.ts }
patterns:
- include: '#parameter-binding-element'
- include: '#punctuation-comma'
parameter-object-binding-element:
patterns:
- include: '#comment'
- begin: (?x)(?={{propertyName}}\s*(:))
end: (?=,|\})
patterns:
- include: '#object-binding-element-propertyName'
- include: '#parameter-binding-element'
- include: '#paren-expression' # as fallback when coming through possibly arrow or expression scenario
- include: '#parameter-object-binding-pattern'
- include: '#destructuring-parameter-rest'
- include: '#variable-initializer'
- include: '#punctuation-comma'
parameter-binding-element:
patterns:
- include: '#comment'
- include: '#string'
- include: '#numeric-literal'
- include: '#regex'
- include: '#parameter-object-binding-pattern'
- include: '#parameter-array-binding-pattern'
- include: '#destructuring-parameter-rest'
- include: '#variable-initializer'
destructuring-parameter-rest:
match: (?:(\.\.\.)\s*)?({{identifier}})
captures:
'1': { name: keyword.operator.rest.ts }
'2': { name: variable.parameter.ts }
parameter-object-binding-pattern:
begin: (?:(\.\.\.)\s*)?(\{)
beginCaptures:
'1': { name: keyword.operator.rest.ts }
'2': { name: punctuation.definition.binding-pattern.object.ts }
end: \}
endCaptures:
'0': { name: punctuation.definition.binding-pattern.object.ts }
patterns:
- include: '#parameter-object-binding-element'
parameter-array-binding-pattern:
begin: (?:(\.\.\.)\s*)?(\[)
beginCaptures:
'1': { name: keyword.operator.rest.ts }
'2': { name: punctuation.definition.binding-pattern.array.ts }
end: \]
endCaptures:
'0': { name: punctuation.definition.binding-pattern.array.ts }
patterns:
- include: '#parameter-binding-element'
- include: '#punctuation-comma'
field-declaration:
name: meta.field.declaration.ts
begin: (?x)(?<!\()(?:{{startOfIdentifier}}(readonly)\s+)?(?=\s*{{propertyNameWithPrivate}}\s*(?:(?:(\?)|(\!))\s*)?(=|:|;|,|\}|$))
beginCaptures:
'1': { name: storage.modifier.ts }
end: (?x)(?=\}|;|,|$|(^(?!\s*{{propertyNameWithPrivate}}\s*(?:(?:(\?)|(\!))\s*)?(=|:|;|,|$))))|(?<=\})
patterns:
- include: '#variable-initializer'
- include: '#type-annotation'
- include: '#string'
- include: '#array-literal'
- include: '#numeric-literal'
- include: '#comment'
# function assignment |
# typeannotation is fn type: < | () | (... | (param: | (param, | (param? | (param= | (param) =>
- match: |-
(?x)({{propertyIdentifier}})(?:(\?)|(\!))?(?=\s*{{functionLikeAssignmentOrType}})
captures:
'1': { name: meta.definition.property.ts entity.name.function.ts }
'2': { name: keyword.operator.optional.ts }
'3': { name: keyword.operator.definiteassignment.ts }
- name: meta.definition.property.ts variable.object.property.ts
match: '{{propertyIdentifier}}'
- name: keyword.operator.optional.ts
match: \?
- name: keyword.operator.definiteassignment.ts
match: \!
variable-initializer:
patterns:
# if it is assignment with expression on same line, use end of line as end of scope
- begin: (?<!=|!)(=)(?!=)(?=\s*\S)(?!\s*.*=>\s*$)
beginCaptures:
'1': { name: keyword.operator.assignment.ts }
end: (?=$|^|[,);}\]]|({{startOfIdentifier}}(of|in)\s+))
patterns:
- include: '#expression'
# if the expression doesnt start on same line do not use end of line as end of unless the complete line is blank
- begin: (?<!=|!)(=)(?!=)
beginCaptures:
'1': { name: keyword.operator.assignment.ts }
end: (?=[,);}\]]|({{startOfIdentifier}}(of|in)\s+))|(?=^\s*$)|(?<![\|\&\+\-\*\/])(?<=\S)(?<!=)(?=\s*$)
patterns:
- include: '#expression'
#functions, methods, function expressions, arrows, indexers
function-declaration:
name: meta.function.ts
begin: '{{startOfDeclaration}}(?:(async)\s+)?(function\b)(?:\s*(\*))?(?:(?:\s+|(?<=\*))({{identifier}}))?\s*'
beginCaptures:
'1': { name: keyword.control.export.ts }
'2': { name: storage.modifier.ts }
'3': { name: storage.modifier.async.ts }
'4': { name: storage.type.function.ts }
'5': { name: keyword.generator.asterisk.ts }
'6': { name: meta.definition.function.ts entity.name.function.ts }
end: (?={{endOfStatement}})|(?<=\})
patterns:
- include: '#function-name'
- include: '#function-body'
function-expression:
name: meta.function.expression.ts
begin: '{{startOfIdentifier}}(?:(async)\s+)?(function\b)(?:\s*(\*))?(?:(?:\s+|(?<=\*))({{identifier}}))?\s*'
beginCaptures:
'1': { name: storage.modifier.async.ts }
'2': { name: storage.type.function.ts }
'3': { name: keyword.generator.asterisk.ts }
'4': { name: meta.definition.function.ts entity.name.function.ts }
end: (?=;)|(?<=\})
patterns:
- include: '#function-name'
- include: '#single-line-comment-consuming-line-ending'
- include: '#function-body'
function-name:
name: meta.definition.function.ts entity.name.function.ts
match: '{{identifier}}'
function-body:
patterns:
- include: '#comment'
- include: '#type-parameters'
- include: '#function-parameters'
- include: '#return-type'
- include: '#type-function-return-type'
- include: '#decl-block'
- name: keyword.generator.asterisk.ts
match: \*
method-declaration:
patterns:
# constructor signature
- name: meta.method.declaration.ts
begin: '(?x){{startOfIdentifier}}(?:\b(override)\s+)?(?:\b(public|private|protected)\s+)?(?:\b(abstract)\s+)?(?:\b(async)\s+)?\s*\b(constructor)\b(?!:){{endOfIdentifier}}'
beginCaptures:
'1': { name: storage.modifier.ts } # captures keyword (override)
'2': { name: storage.modifier.ts } # captures keyword (public or private or protected)
'3': { name: storage.modifier.ts } # captures keyword (abstract)
'4': { name: storage.modifier.async.ts } # captures keyword (async)
'5': { name: storage.type.ts } # captures keyword (constructor)
end: (?=\}|;|,|$)|(?<=\})
patterns:
- include: '#method-declaration-name'
- include: '#function-body'
# new or call signature
- name: meta.method.declaration.ts
begin: '(?x){{startOfIdentifier}}(?:\b(override)\s+)?(?:\b(public|private|protected)\s+)?(?:\b(abstract)\s+)?(?:\b(async)\s+)?(?:(?:\s*\b(new)\b(?!:){{endOfIdentifier}})|(?:(\*)\s*)?)(?=\s*({{typeParameters}})?[\(])'
beginCaptures:
'1': { name: storage.modifier.ts } # captures keyword (override)
'2': { name: storage.modifier.ts } # captures keyword (public or private or protected)
'3': { name: storage.modifier.ts } # captures keyword (abstract)
'4': { name: storage.modifier.async.ts } # captures keyword (async)
'5': { name: keyword.operator.new.ts } # captures keyword (new)
'6': { name: keyword.generator.asterisk.ts } # captures keyword (*)
end: (?=\}|;|,|$)|(?<=\})
patterns:
- include: '#method-declaration-name'
- include: '#function-body'
# method, accessor
- name: meta.method.declaration.ts
begin: '(?x){{startOfIdentifier}}(?:\b(override)\s+)?(?:\b(public|private|protected)\s+)?(?:\b(abstract)\s+)?(?:\b(async)\s+)?(?:\b(get|set)\s+)?(?:(\*)\s*)?(?=\s*({{propertyName}}\s*(\??))\s*({{typeParameters}})?[\(])'
beginCaptures:
'1': { name: storage.modifier.ts } # captures keyword (override)
'2': { name: storage.modifier.ts } # captures keyword (public or private or protected)
'3': { name: storage.modifier.ts } # captures keyword (abstract)
'4': { name: storage.modifier.async.ts } # captures keyword (async)
'5': { name: storage.type.property.ts } # captures keyword (get|set)
'6': { name: keyword.generator.asterisk.ts } # captures keyword (*)
end: (?=\}|;|,|$)|(?<=\})
patterns:
- include: '#method-declaration-name'
- include: '#function-body'
object-literal-method-declaration:
name: meta.method.declaration.ts
begin: '(?x){{startOfIdentifier}}(?:\b(async)\s+)?(?:\b(get|set)\s+)?(?:(\*)\s*)?(?=\s*({{propertyName}}\s*(\??))\s*({{typeParameters}})?[\(])'
beginCaptures:
'1': { name: storage.modifier.async.ts } # captures keyword (async)
'2': { name: storage.type.property.ts } # captures keyword (get|set)
'3': { name: keyword.generator.asterisk.ts } # captures keyword (*)
end: '(?=\}|;|,)|(?<=\})'
patterns:
- include: '#method-declaration-name'
- include: '#function-body'
- begin: '(?x){{startOfIdentifier}}(?:\b(async)\s+)?(?:\b(get|set)\s+)?(?:(\*)\s*)?(?=\s*({{propertyName}}\s*(\??))\s*({{typeParameters}})?[\(])'
beginCaptures:
'1': { name: storage.modifier.async.ts } # captures keyword (async)
'2': { name: storage.type.property.ts } # captures keyword (get|set)
'3': { name: keyword.generator.asterisk.ts } # captures keyword (*)
end: (?=\(|\<)
patterns:
- include: '#method-declaration-name'
method-declaration-name:
begin: (?x)(?={{propertyName}}\s*(\??)\s*[\(\<])
end: (?=\(|\<)
patterns:
- include: '#string'
- include: '#array-literal'
- include: '#numeric-literal'
- name: meta.definition.method.ts entity.name.function.ts
match: '{{identifier}}'
- name: keyword.operator.optional.ts
match: \?
arrow-function:
patterns:
# arrow with single parameter without parenthesis
- name: meta.arrow.ts
match: (?:{{startOfIdentifier}}(\basync)\s+)?({{identifier}})\s*(?==>)
captures:
'1': { name: storage.modifier.async.ts }
'2': { name: variable.parameter.ts }
# parenthesized arrow
- name: meta.arrow.ts
begin: >-
(?x)
(?:
{{startOfIdentifier}}(\basync)
)?
((?<![})!\]])\s*
(?=
{{arrowLookup}}
)
)
beginCaptures:
'1': { name: storage.modifier.async.ts }
end: '{{arrowFunctionEnd}}'
patterns:
- include: '#comment'
- include: '#type-parameters'
- include: '#function-parameters'
# return type of the arrow
- include: '#arrow-return-type'
- include: '#possibly-arrow-return-type'
# arrow operator
- name: meta.arrow.ts
begin: =>
beginCaptures:
'0': { name: storage.type.function.arrow.ts }
end: ((?<=\}|\S)(?<!=>)|((?!\{)(?=\S)))(?!\/[\/\*])
patterns:
- include: '#single-line-comment-consuming-line-ending'
- include: '#decl-block'
- include: '#expression'
indexer-declaration:
name: meta.indexer.declaration.ts
begin: (?:{{startOfIdentifier}}(readonly)\s*)?\s*(\[)\s*({{identifier}})\s*(?=:)
beginCaptures:
'1': { name: storage.modifier.ts }
'2': { name: meta.brace.square.ts }
'3': { name: variable.parameter.ts}
end: (\])\s*(\?\s*)?|$
endCaptures:
'1': { name: meta.brace.square.ts }
'2': { name: keyword.operator.optional.ts }
patterns:
- include: '#type-annotation'
indexer-mapped-type-declaration:
name: meta.indexer.mappedtype.declaration.ts
begin: (?:{{startOfIdentifier}}([+-])?(readonly)\s*)?\s*(\[)\s*({{identifier}})\s+(in)\s+
beginCaptures:
'1': { name: keyword.operator.type.modifier.ts }
'2': { name: storage.modifier.ts }
'3': { name: meta.brace.square.ts }
'4': { name: entity.name.type.ts }
'5': { name: keyword.operator.expression.in.ts }
end: (\])([+-])?\s*(\?\s*)?|$
endCaptures:
'1': { name: meta.brace.square.ts }
'2': { name: keyword.operator.type.modifier.ts }
'3': { name: keyword.operator.optional.ts }
patterns:
- match: '{{startOfIdentifier}}(as)\s+'
captures:
'1': { name: keyword.control.as.ts }
- include: '#type'
function-parameters:
name: meta.parameters.ts
begin: \(
beginCaptures:
'0': { name: punctuation.definition.parameters.begin.ts }
end: \)
endCaptures:
'0': { name: punctuation.definition.parameters.end.ts }
patterns:
- include: '#function-parameters-body'
# When updating this, also update the expression-inside-possibly-arrow-parens where this is inlined so that parameter-name can also be inlined
function-parameters-body:
patterns:
- include: '#comment'
- include: '#string'
- include: '#decorator'
- include: '#destructuring-parameter'
- include: '#parameter-name'
- include: '#parameter-type-annotation'
- include: '#variable-initializer'
- name: punctuation.separator.parameter.ts
match: ','
#class declaration and expression, interface
class-declaration:
name: meta.class.ts
begin: '{{startOfDeclaration}}\b(?:(abstract)\s+)?\b(class)\b(?=\s+|/[/*])'
beginCaptures:
'1': { name: keyword.control.export.ts }
'2': { name: storage.modifier.ts }
'3': { name: storage.modifier.ts }
'4': { name: storage.type.class.ts }
end: (?<=\})
patterns:
- include: '#class-declaration-or-expression-patterns'
class-expression:
name: meta.class.ts
# allows anonymous class
begin: '{{startOfIdentifier}}(?:(abstract)\s+)?(class)\b(?=\s+|[<{]|\/[\/*])'
beginCaptures:
'1': { name: storage.modifier.ts }
'2': { name: storage.type.class.ts }
end: (?<=\})
patterns:
- include: '#class-declaration-or-expression-patterns'
class-declaration-or-expression-patterns:
patterns:
- include: '#comment'
- include: '#class-or-interface-heritage' # Must be before object-name to consume the "extends" keyword.
- match: '{{identifier}}'
captures:
'0': { name: 'entity.name.type.class.ts' }
- include: '#type-parameters' # Must be applied after object-name e.g. interface KeyValuePair<K, V>
- include: '#class-or-interface-body'
interface-declaration:
name: meta.interface.ts
begin: '{{startOfDeclaration}}\b(?:(abstract)\s+)?\b(interface)\b(?=\s+|/[/*])'
beginCaptures:
'1': { name: keyword.control.export.ts }
'2': { name: storage.modifier.ts }
'3': { name: storage.modifier.ts }
'4': { name: storage.type.interface.ts }
end: (?<=\})
patterns:
- include: '#comment'
- include: '#class-or-interface-heritage' # Must be before object-name to consume the "extends" keyword.
- match: '{{identifier}}'
captures:
'0': { name: 'entity.name.type.interface.ts' }
- include: '#type-parameters' # Must be applied after object-name e.g. interface KeyValuePair<K, V>
- include: '#class-or-interface-body'
class-or-interface-heritage:
begin: '{{startOfIdentifier}}(?:\b(extends|implements)\b){{endOfIdentifier}}'
beginCaptures:
'1': { name: storage.modifier.ts }
end: (?=\{)
patterns:
- include: '#comment'
- include: '#class-or-interface-heritage'
- include: '#type-parameters'
# match expressions before matching identifiers
- include: '#expressionWithoutIdentifiers'
# identifiers are treated as inherited class
- match: '({{identifier}})\s*{{propertyAccess}}(?=\s*{{identifier}}(\s*{{propertyAccessPreIdentifier}}{{identifier}})*\s*)'
captures:
'1': { name: entity.name.type.module.ts }
'2': { name: punctuation.accessor.ts }
'3': { name: punctuation.accessor.optional.ts }
- match: ({{identifier}})
captures:
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