Gathering detailed insights and metrics for babel-types
Gathering detailed insights and metrics for babel-types
🐠 Babel is a compiler for writing next generation JavaScript.
npm install babel-types
Typescript
Module System
Node Version
NPM Version
98.4
Supply Chain
99.6
Quality
79.2
Maintenance
100
Vulnerability
99.6
License
TypeScript (68.83%)
JavaScript (30.42%)
Shell (0.6%)
Makefile (0.09%)
HTML (0.06%)
Total Downloads
1,835,513,030
Last Day
620,658
Last Week
3,132,498
Last Month
11,181,259
Last Year
184,891,100
43,363 Stars
16,763 Commits
5,659 Forks
804 Watching
15 Branches
1,104 Contributors
Minified
Minified + Gzipped
Latest Version
6.26.0
Package Id
babel-types@6.26.0
Size
20.83 kB
NPM Version
4.6.1
Node Version
6.9.0
Publised On
16 Aug 2017
Cumulative downloads
Total Downloads
Last day
8.2%
620,658
Compared to previous day
Last week
-3.9%
3,132,498
Compared to previous week
Last month
-45.4%
11,181,259
Compared to previous month
Last year
-12.7%
184,891,100
Compared to previous year
4
2
This module contains methods for building ASTs manually and for checking the types of AST nodes.
1npm install --save-dev babel-types
1t.anyTypeAnnotation()
See also t.isAnyTypeAnnotation(node, opts)
and t.assertAnyTypeAnnotation(node, opts)
.
Aliases: Flow
, FlowBaseAnnotation
1t.arrayExpression(elements)
See also t.isArrayExpression(node, opts)
and t.assertArrayExpression(node, opts)
.
Aliases: Expression
elements
: Array<null | Expression | SpreadElement>
(default: []
)1t.arrayPattern(elements, typeAnnotation)
See also t.isArrayPattern(node, opts)
and t.assertArrayPattern(node, opts)
.
Aliases: Pattern
, LVal
elements
: Array<Identifier | Pattern | RestElement>
(required)typeAnnotation
(required)decorators
: Array<Decorator>
(default: null
)1t.arrayTypeAnnotation(elementType)
See also t.isArrayTypeAnnotation(node, opts)
and t.assertArrayTypeAnnotation(node, opts)
.
Aliases: Flow
elementType
(required)1t.arrowFunctionExpression(params, body, async)
See also t.isArrowFunctionExpression(node, opts)
and t.assertArrowFunctionExpression(node, opts)
.
Aliases: Scopable
, Function
, BlockParent
, FunctionParent
, Expression
, Pureish
params
: Array<LVal>
(required)body
: BlockStatement | Expression
(required)async
: boolean
(default: false
)returnType
(default: null
)typeParameters
(default: null
)1t.assignmentExpression(operator, left, right)
See also t.isAssignmentExpression(node, opts)
and t.assertAssignmentExpression(node, opts)
.
Aliases: Expression
operator
: string
(required)left
: LVal
(required)right
: Expression
(required)1t.assignmentPattern(left, right)
See also t.isAssignmentPattern(node, opts)
and t.assertAssignmentPattern(node, opts)
.
Aliases: Pattern
, LVal
left
: Identifier
(required)right
: Expression
(required)decorators
: Array<Decorator>
(default: null
)1t.awaitExpression(argument)
See also t.isAwaitExpression(node, opts)
and t.assertAwaitExpression(node, opts)
.
Aliases: Expression
, Terminatorless
argument
: Expression
(required)1t.binaryExpression(operator, left, right)
See also t.isBinaryExpression(node, opts)
and t.assertBinaryExpression(node, opts)
.
Aliases: Binary
, Expression
operator
: '+' | '-' | '/' | '%' | '*' | '**' | '&' | '|' | '>>' | '>>>' | '<<' | '^' | '==' | '===' | '!=' | '!==' | 'in' | 'instanceof' | '>' | '<' | '>=' | '<='
(required)left
: Expression
(required)right
: Expression
(required)1t.bindExpression(object, callee)
See also t.isBindExpression(node, opts)
and t.assertBindExpression(node, opts)
.
Aliases: Expression
object
(required)callee
(required)1t.blockStatement(body, directives)
See also t.isBlockStatement(node, opts)
and t.assertBlockStatement(node, opts)
.
Aliases: Scopable
, BlockParent
, Block
, Statement
body
: Array<Statement>
(required)directives
: Array<Directive>
(default: []
)1t.booleanLiteral(value)
See also t.isBooleanLiteral(node, opts)
and t.assertBooleanLiteral(node, opts)
.
Aliases: Expression
, Pureish
, Literal
, Immutable
value
: boolean
(required)1t.booleanLiteralTypeAnnotation()
See also t.isBooleanLiteralTypeAnnotation(node, opts)
and t.assertBooleanLiteralTypeAnnotation(node, opts)
.
Aliases: Flow
1t.booleanTypeAnnotation()
See also t.isBooleanTypeAnnotation(node, opts)
and t.assertBooleanTypeAnnotation(node, opts)
.
Aliases: Flow
, FlowBaseAnnotation
1t.breakStatement(label)
See also t.isBreakStatement(node, opts)
and t.assertBreakStatement(node, opts)
.
Aliases: Statement
, Terminatorless
, CompletionStatement
label
: Identifier
(default: null
)1t.callExpression(callee, arguments)
See also t.isCallExpression(node, opts)
and t.assertCallExpression(node, opts)
.
Aliases: Expression
callee
: Expression
(required)arguments
: Array<Expression | SpreadElement>
(required)1t.catchClause(param, body)
See also t.isCatchClause(node, opts)
and t.assertCatchClause(node, opts)
.
Aliases: Scopable
param
: Identifier
(required)body
: BlockStatement
(required)1t.classBody(body)
See also t.isClassBody(node, opts)
and t.assertClassBody(node, opts)
.
body
: Array<ClassMethod | ClassProperty>
(required)1t.classDeclaration(id, superClass, body, decorators)
See also t.isClassDeclaration(node, opts)
and t.assertClassDeclaration(node, opts)
.
Aliases: Scopable
, Class
, Statement
, Declaration
, Pureish
id
: Identifier
(required)superClass
: Expression
(default: null
)body
: ClassBody
(required)decorators
: Array<Decorator>
(required)implements
(default: null
)mixins
(default: null
)superTypeParameters
(default: null
)typeParameters
(default: null
)1t.classExpression(id, superClass, body, decorators)
See also t.isClassExpression(node, opts)
and t.assertClassExpression(node, opts)
.
Aliases: Scopable
, Class
, Expression
, Pureish
id
: Identifier
(default: null
)superClass
: Expression
(default: null
)body
: ClassBody
(required)decorators
: Array<Decorator>
(required)implements
(default: null
)mixins
(default: null
)superTypeParameters
(default: null
)typeParameters
(default: null
)1t.classImplements(id, typeParameters)
See also t.isClassImplements(node, opts)
and t.assertClassImplements(node, opts)
.
Aliases: Flow
id
(required)typeParameters
(required)1t.classMethod(kind, key, params, body, computed, static)
See also t.isClassMethod(node, opts)
and t.assertClassMethod(node, opts)
.
Aliases: Function
, Scopable
, BlockParent
, FunctionParent
, Method
kind
: "get" | "set" | "method" | "constructor"
(default: 'method'
)key
if computed then Expression
else Identifier | Literal
(required)params
: Array<LVal>
(required)body
: BlockStatement
(required)computed
: boolean
(default: false
)static
: boolean
(default: false
)async
: boolean
(default: false
)decorators
(default: null
)generator
: boolean
(default: false
)returnType
(default: null
)typeParameters
(default: null
)1t.classProperty(key, value, typeAnnotation, decorators, computed)
See also t.isClassProperty(node, opts)
and t.assertClassProperty(node, opts)
.
Aliases: Property
key
(required)value
(required)typeAnnotation
(required)decorators
(required)computed
: boolean
(default: false
)1t.conditionalExpression(test, consequent, alternate)
See also t.isConditionalExpression(node, opts)
and t.assertConditionalExpression(node, opts)
.
Aliases: Expression
, Conditional
test
: Expression
(required)consequent
: Expression
(required)alternate
: Expression
(required)1t.continueStatement(label)
See also t.isContinueStatement(node, opts)
and t.assertContinueStatement(node, opts)
.
Aliases: Statement
, Terminatorless
, CompletionStatement
label
: Identifier
(default: null
)1t.debuggerStatement()
See also t.isDebuggerStatement(node, opts)
and t.assertDebuggerStatement(node, opts)
.
Aliases: Statement
1t.declareClass(id, typeParameters, extends, body)
See also t.isDeclareClass(node, opts)
and t.assertDeclareClass(node, opts)
.
Aliases: Flow
, FlowDeclaration
, Statement
, Declaration
id
(required)typeParameters
(required)extends
(required)body
(required)1t.declareExportDeclaration(declaration, specifiers, source)
See also t.isDeclareExportDeclaration(node, opts)
and t.assertDeclareExportDeclaration(node, opts)
.
Aliases: Flow
, FlowDeclaration
, Statement
, Declaration
declaration
(required)specifiers
(required)source
(required)1t.declareFunction(id)
See also t.isDeclareFunction(node, opts)
and t.assertDeclareFunction(node, opts)
.
Aliases: Flow
, FlowDeclaration
, Statement
, Declaration
id
(required)1t.declareInterface(id, typeParameters, extends, body)
See also t.isDeclareInterface(node, opts)
and t.assertDeclareInterface(node, opts)
.
Aliases: Flow
, FlowDeclaration
, Statement
, Declaration
id
(required)typeParameters
(required)extends
(required)body
(required)1t.declareModule(id, body)
See also t.isDeclareModule(node, opts)
and t.assertDeclareModule(node, opts)
.
Aliases: Flow
, FlowDeclaration
, Statement
, Declaration
id
(required)body
(required)1t.declareModuleExports(typeAnnotation)
See also t.isDeclareModuleExports(node, opts)
and t.assertDeclareModuleExports(node, opts)
.
Aliases: Flow
, FlowDeclaration
, Statement
, Declaration
typeAnnotation
(required)1t.declareOpaqueType(id, typeParameters, supertype)
See also t.isDeclareOpaqueType(node, opts)
and t.assertDeclareOpaqueType(node, opts)
.
Aliases: Flow
, FlowDeclaration
, Statement
, Declaration
id
(required)typeParameters
(required)supertype
(required)1t.declareTypeAlias(id, typeParameters, right)
See also t.isDeclareTypeAlias(node, opts)
and t.assertDeclareTypeAlias(node, opts)
.
Aliases: Flow
, FlowDeclaration
, Statement
, Declaration
id
(required)typeParameters
(required)right
(required)1t.declareVariable(id)
See also t.isDeclareVariable(node, opts)
and t.assertDeclareVariable(node, opts)
.
Aliases: Flow
, FlowDeclaration
, Statement
, Declaration
id
(required)1t.decorator(expression)
See also t.isDecorator(node, opts)
and t.assertDecorator(node, opts)
.
expression
: Expression
(required)1t.directive(value)
See also t.isDirective(node, opts)
and t.assertDirective(node, opts)
.
value
: DirectiveLiteral
(required)1t.directiveLiteral(value)
See also t.isDirectiveLiteral(node, opts)
and t.assertDirectiveLiteral(node, opts)
.
value
: string
(required)1t.doExpression(body)
See also t.isDoExpression(node, opts)
and t.assertDoExpression(node, opts)
.
Aliases: Expression
body
: BlockStatement
(required)1t.doWhileStatement(test, body)
See also t.isDoWhileStatement(node, opts)
and t.assertDoWhileStatement(node, opts)
.
Aliases: Statement
, BlockParent
, Loop
, While
, Scopable
test
: Expression
(required)body
: Statement
(required)1t.emptyStatement()
See also t.isEmptyStatement(node, opts)
and t.assertEmptyStatement(node, opts)
.
Aliases: Statement
1t.emptyTypeAnnotation()
See also t.isEmptyTypeAnnotation(node, opts)
and t.assertEmptyTypeAnnotation(node, opts)
.
Aliases: Flow
, FlowBaseAnnotation
1t.existentialTypeParam()
See also t.isExistentialTypeParam(node, opts)
and t.assertExistentialTypeParam(node, opts)
.
Aliases: Flow
1t.exportAllDeclaration(source)
See also t.isExportAllDeclaration(node, opts)
and t.assertExportAllDeclaration(node, opts)
.
Aliases: Statement
, Declaration
, ModuleDeclaration
, ExportDeclaration
source
: StringLiteral
(required)1t.exportDefaultDeclaration(declaration)
See also t.isExportDefaultDeclaration(node, opts)
and t.assertExportDefaultDeclaration(node, opts)
.
Aliases: Statement
, Declaration
, ModuleDeclaration
, ExportDeclaration
declaration
: FunctionDeclaration | ClassDeclaration | Expression
(required)1t.exportDefaultSpecifier(exported)
See also t.isExportDefaultSpecifier(node, opts)
and t.assertExportDefaultSpecifier(node, opts)
.
Aliases: ModuleSpecifier
exported
: Identifier
(required)1t.exportNamedDeclaration(declaration, specifiers, source)
See also t.isExportNamedDeclaration(node, opts)
and t.assertExportNamedDeclaration(node, opts)
.
Aliases: Statement
, Declaration
, ModuleDeclaration
, ExportDeclaration
declaration
: Declaration
(default: null
)specifiers
: Array<ExportSpecifier>
(required)source
: StringLiteral
(default: null
)1t.exportNamespaceSpecifier(exported)
See also t.isExportNamespaceSpecifier(node, opts)
and t.assertExportNamespaceSpecifier(node, opts)
.
Aliases: ModuleSpecifier
exported
: Identifier
(required)1t.exportSpecifier(local, exported)
See also t.isExportSpecifier(node, opts)
and t.assertExportSpecifier(node, opts)
.
Aliases: ModuleSpecifier
local
: Identifier
(required)exported
: Identifier
(required)1t.expressionStatement(expression)
See also t.isExpressionStatement(node, opts)
and t.assertExpressionStatement(node, opts)
.
Aliases: Statement
, ExpressionWrapper
expression
: Expression
(required)1t.file(program, comments, tokens)
See also t.isFile(node, opts)
and t.assertFile(node, opts)
.
program
: Program
(required)comments
(required)tokens
(required)1t.forAwaitStatement(left, right, body)
See also t.isForAwaitStatement(node, opts)
and t.assertForAwaitStatement(node, opts)
.
Aliases: Scopable
, Statement
, For
, BlockParent
, Loop
, ForXStatement
left
: VariableDeclaration | LVal
(required)right
: Expression
(required)body
: Statement
(required)1t.forInStatement(left, right, body)
See also t.isForInStatement(node, opts)
and t.assertForInStatement(node, opts)
.
Aliases: Scopable
, Statement
, For
, BlockParent
, Loop
, ForXStatement
left
: VariableDeclaration | LVal
(required)right
: Expression
(required)body
: Statement
(required)1t.forOfStatement(left, right, body)
See also t.isForOfStatement(node, opts)
and t.assertForOfStatement(node, opts)
.
Aliases: Scopable
, Statement
, For
, BlockParent
, Loop
, ForXStatement
left
: VariableDeclaration | LVal
(required)right
: Expression
(required)body
: Statement
(required)1t.forStatement(init, test, update, body)
See also t.isForStatement(node, opts)
and t.assertForStatement(node, opts)
.
Aliases: Scopable
, Statement
, For
, BlockParent
, Loop
init
: VariableDeclaration | Expression
(default: null
)test
: Expression
(default: null
)update
: Expression
(default: null
)body
: Statement
(required)1t.functionDeclaration(id, params, body, generator, async)
See also t.isFunctionDeclaration(node, opts)
and t.assertFunctionDeclaration(node, opts)
.
Aliases: Scopable
, Function
, BlockParent
, FunctionParent
, Statement
, Pureish
, Declaration
id
: Identifier
(required)params
: Array<LVal>
(required)body
: BlockStatement
(required)generator
: boolean
(default: false
)async
: boolean
(default: false
)returnType
(default: null
)typeParameters
(default: null
)1t.functionExpression(id, params, body, generator, async)
See also t.isFunctionExpression(node, opts)
and t.assertFunctionExpression(node, opts)
.
Aliases: Scopable
, Function
, BlockParent
, FunctionParent
, Expression
, Pureish
id
: Identifier
(default: null
)params
: Array<LVal>
(required)body
: BlockStatement
(required)generator
: boolean
(default: false
)async
: boolean
(default: false
)returnType
(default: null
)typeParameters
(default: null
)1t.functionTypeAnnotation(typeParameters, params, rest, returnType)
See also t.isFunctionTypeAnnotation(node, opts)
and t.assertFunctionTypeAnnotation(node, opts)
.
Aliases: Flow
typeParameters
(required)params
(required)rest
(required)returnType
(required)1t.functionTypeParam(name, typeAnnotation)
See also t.isFunctionTypeParam(node, opts)
and t.assertFunctionTypeParam(node, opts)
.
Aliases: Flow
name
(required)typeAnnotation
(required)1t.genericTypeAnnotation(id, typeParameters)
See also t.isGenericTypeAnnotation(node, opts)
and t.assertGenericTypeAnnotation(node, opts)
.
Aliases: Flow
id
(required)typeParameters
(required)1t.identifier(name)
See also t.isIdentifier(node, opts)
and t.assertIdentifier(node, opts)
.
Aliases: Expression
, LVal
name``string
(required)decorators
: Array<Decorator>
(default: null
)typeAnnotation
(default: null
)1t.ifStatement(test, consequent, alternate)
See also t.isIfStatement(node, opts)
and t.assertIfStatement(node, opts)
.
Aliases: Statement
, Conditional
test
: Expression
(required)consequent
: Statement
(required)alternate
: Statement
(default: null
)1t.import()
See also t.isImport(node, opts)
and t.assertImport(node, opts)
.
Aliases: Expression
1t.importDeclaration(specifiers, source)
See also t.isImportDeclaration(node, opts)
and t.assertImportDeclaration(node, opts)
.
Aliases: Statement
, Declaration
, ModuleDeclaration
specifiers
: Array<ImportSpecifier | ImportDefaultSpecifier | ImportNamespaceSpecifier>
(required)source
: StringLiteral
(required)1t.importDefaultSpecifier(local)
See also t.isImportDefaultSpecifier(node, opts)
and t.assertImportDefaultSpecifier(node, opts)
.
Aliases: ModuleSpecifier
local
: Identifier
(required)1t.importNamespaceSpecifier(local)
See also t.isImportNamespaceSpecifier(node, opts)
and t.assertImportNamespaceSpecifier(node, opts)
.
Aliases: ModuleSpecifier
local
: Identifier
(required)1t.importSpecifier(local, imported)
See also t.isImportSpecifier(node, opts)
and t.assertImportSpecifier(node, opts)
.
Aliases: ModuleSpecifier
local
: Identifier
(required)imported
: Identifier
(required)importKind
: null | 'type' | 'typeof'
(default: null
)1t.interfaceDeclaration(id, typeParameters, extends, body)
See also t.isInterfaceDeclaration(node, opts)
and t.assertInterfaceDeclaration(node, opts)
.
Aliases: Flow
, FlowDeclaration
, Statement
, Declaration
id
(required)typeParameters
(required)extends
(required)body
(required)1t.interfaceExtends(id, typeParameters)
See also t.isInterfaceExtends(node, opts)
and t.assertInterfaceExtends(node, opts)
.
Aliases: Flow
id
(required)typeParameters
(required)1t.intersectionTypeAnnotation(types)
See also t.isIntersectionTypeAnnotation(node, opts)
and t.assertIntersectionTypeAnnotation(node, opts)
.
Aliases: Flow
types
(required)1t.jSXAttribute(name, value)
See also t.isJSXAttribute(node, opts)
and t.assertJSXAttribute(node, opts)
.
Aliases: JSX
, Immutable
name
: JSXIdentifier | JSXNamespacedName
(required)value
: JSXElement | StringLiteral | JSXExpressionContainer
(default: null
)1t.jSXClosingElement(name)
See also t.isJSXClosingElement(node, opts)
and t.assertJSXClosingElement(node, opts)
.
Aliases: JSX
, Immutable
name
: JSXIdentifier | JSXMemberExpression
(required)1t.jSXElement(openingElement, closingElement, children, selfClosing)
See also t.isJSXElement(node, opts)
and t.assertJSXElement(node, opts)
.
Aliases: JSX
, Immutable
, Expression
openingElement
: JSXOpeningElement
(required)closingElement
: JSXClosingElement
(default: null
)children
: Array<JSXText | JSXExpressionContainer | JSXSpreadChild | JSXElement>
(required)selfClosing
(required)1t.jSXEmptyExpression()
See also t.isJSXEmptyExpression(node, opts)
and t.assertJSXEmptyExpression(node, opts)
.
Aliases: JSX
, Expression
1t.jSXExpressionContainer(expression)
See also t.isJSXExpressionContainer(node, opts)
and t.assertJSXExpressionContainer(node, opts)
.
Aliases: JSX
, Immutable
expression
: Expression
(required)1t.jSXIdentifier(name)
See also t.isJSXIdentifier(node, opts)
and t.assertJSXIdentifier(node, opts)
.
Aliases: JSX
, Expression
name
: string
(required)1t.jSXMemberExpression(object, property)
See also t.isJSXMemberExpression(node, opts)
and t.assertJSXMemberExpression(node, opts)
.
Aliases: JSX
, Expression
object
: JSXMemberExpression | JSXIdentifier
(required)property
: JSXIdentifier
(required)1t.jSXNamespacedName(namespace, name)
See also t.isJSXNamespacedName(node, opts)
and t.assertJSXNamespacedName(node, opts)
.
Aliases: JSX
namespace
: JSXIdentifier
(required)name
: JSXIdentifier
(required)1t.jSXOpeningElement(name, attributes, selfClosing)
See also t.isJSXOpeningElement(node, opts)
and t.assertJSXOpeningElement(node, opts)
.
Aliases: JSX
, Immutable
name
: JSXIdentifier | JSXMemberExpression
(required)attributes
: Array<JSXAttribute | JSXSpreadAttribute>
(required)selfClosing
: boolean
(default: false
)1t.jSXSpreadAttribute(argument)
See also t.isJSXSpreadAttribute(node, opts)
and t.assertJSXSpreadAttribute(node, opts)
.
Aliases: JSX
argument
: Expression
(required)1t.jSXSpreadChild(expression)
See also t.isJSXSpreadChild(node, opts)
and t.assertJSXSpreadChild(node, opts)
.
Aliases: JSX
, Immutable
expression
: Expression
(required)1t.jSXText(value)
See also t.isJSXText(node, opts)
and t.assertJSXText(node, opts)
.
Aliases: JSX
, Immutable
value
: string
(required)1t.labeledStatement(label, body)
See also t.isLabeledStatement(node, opts)
and t.assertLabeledStatement(node, opts)
.
Aliases: Statement
label
: Identifier
(required)body
: Statement
(required)1t.logicalExpression(operator, left, right)
See also t.isLogicalExpression(node, opts)
and t.assertLogicalExpression(node, opts)
.
Aliases: Binary
, Expression
operator
: '||' | '&&'
(required)left
: Expression
(required)right
: Expression
(required)1t.memberExpression(object, property, computed)
See also t.isMemberExpression(node, opts)
and t.assertMemberExpression(node, opts)
.
Aliases: Expression
, LVal
object
: Expression
(required)property
if computed then Expression
else Identifier
(required)computed
: boolean
(default: false
)1t.metaProperty(meta, property)
See also t.isMetaProperty(node, opts)
and t.assertMetaProperty(node, opts)
.
Aliases: Expression
meta
: string
(required)property
: string
(required)1t.mixedTypeAnnotation()
See also t.isMixedTypeAnnotation(node, opts)
and t.assertMixedTypeAnnotation(node, opts)
.
Aliases: Flow
, FlowBaseAnnotation
1t.newExpression(callee, arguments)
See also t.isNewExpression(node, opts)
and t.assertNewExpression(node, opts)
.
Aliases: Expression
callee
: Expression
(required)arguments
: Array<Expression | SpreadElement>
(required)1t.noop()
See also t.isNoop(node, opts)
and t.assertNoop(node, opts)
.
1t.nullLiteral()
See also t.isNullLiteral(node, opts)
and t.assertNullLiteral(node, opts)
.
Aliases: Expression
, Pureish
, Literal
, Immutable
1t.nullLiteralTypeAnnotation()
See also t.isNullLiteralTypeAnnotation(node, opts)
and t.assertNullLiteralTypeAnnotation(node, opts)
.
Aliases: Flow
, FlowBaseAnnotation
1t.nullableTypeAnnotation(typeAnnotation)
See also t.isNullableTypeAnnotation(node, opts)
and t.assertNullableTypeAnnotation(node, opts)
.
Aliases: Flow
typeAnnotation
(required)1t.numberTypeAnnotation()
See also t.isNumberTypeAnnotation(node, opts)
and t.assertNumberTypeAnnotation(node, opts)
.
Aliases: Flow
, FlowBaseAnnotation
1t.numericLiteral(value)
See also t.isNumericLiteral(node, opts)
and t.assertNumericLiteral(node, opts)
.
Aliases: Expression
, Pureish
, Literal
, Immutable
value
: number
(required)1t.numericLiteralTypeAnnotation()
See also t.isNumericLiteralTypeAnnotation(node, opts)
and t.assertNumericLiteralTypeAnnotation(node, opts)
.
Aliases: Flow
1t.objectExpression(properties)
See also t.isObjectExpression(node, opts)
and t.assertObjectExpression(node, opts)
.
Aliases: Expression
properties
: Array<ObjectMethod | ObjectProperty | SpreadProperty>
(required)1t.objectMethod(kind, key, params, body, computed)
See also t.isObjectMethod(node, opts)
and t.assertObjectMethod(node, opts)
.
Aliases: UserWhitespacable
, Function
, Scopable
, BlockParent
, FunctionParent
, Method
, ObjectMember
kind
: "method" | "get" | "set"
(default: 'method'
)key
if computed then Expression
else Identifier | Literal
(required)params
(required)body
: BlockStatement
(required)computed
: boolean
(default: false
)async
: boolean
(default: false
)decorators
: Array<Decorator>
(default: null
)generator
: boolean
(default: false
)returnType
(default: null
)typeParameters
(default: null
)1t.objectPattern(properties, typeAnnotation)
See also t.isObjectPattern(node, opts)
and t.assertObjectPattern(node, opts)
.
Aliases: Pattern
, LVal
properties
: Array<RestProperty | Property>
(required)typeAnnotation
(required)decorators
: Array<Decorator>
(default: null
)1t.objectProperty(key, value, computed, shorthand, decorators)
See also t.isObjectProperty(node, opts)
and t.assertObjectProperty(node, opts)
.
Aliases: UserWhitespacable
, Property
, ObjectMember
key
if computed then Expression
else Identifier | Literal
(required)value
: Expression | Pattern | RestElement
(required)computed
: boolean
(default: false
)shorthand
: boolean
(default: false
)decorators
: Array<Decorator>
(default: null
)1t.objectTypeAnnotation(properties, indexers, callProperties)
See also t.isObjectTypeAnnotation(node, opts)
and t.assertObjectTypeAnnotation(node, opts)
.
Aliases: Flow
properties
(required)indexers
(required)callProperties
(required)1t.objectTypeCallProperty(value)
See also t.isObjectTypeCallProperty(node, opts)
and t.assertObjectTypeCallProperty(node, opts)
.
Aliases: Flow
, UserWhitespacable
value
(required)1t.objectTypeIndexer(id, key, value)
See also t.isObjectTypeIndexer(node, opts)
and t.assertObjectTypeIndexer(node, opts)
.
Aliases: Flow
, UserWhitespacable
id
(required)key
(required)value
(required)1t.objectTypeProperty(key, value)
See also t.isObjectTypeProperty(node, opts)
and t.assertObjectTypeProperty(node, opts)
.
Aliases: Flow
, UserWhitespacable
key
(required)value
(required)1t.objectTypeSpreadProperty(argument)
See also t.isObjectTypeSpreadProperty(node, opts)
and t.assertObjectTypeSpreadProperty(node, opts)
.
Aliases: Flow
, UserWhitespacable
argument
(required)1t.opaqueType(id, typeParameters, impltype, supertype)
See also t.isOpaqueType(node, opts)
and t.assertOpaqueType(node, opts)
.
Aliases: Flow
, FlowDeclaration
, Statement
, Declaration
id
(required)typeParameters
(required)impltype
(required)supertype
(required)1t.parenthesizedExpression(expression)
See also t.isParenthesizedExpression(node, opts)
and t.assertParenthesizedExpression(node, opts)
.
Aliases: Expression
, ExpressionWrapper
expression
: Expression
(required)1t.program(body, directives)
See also t.isProgram(node, opts)
and t.assertProgram(node, opts)
.
Aliases: Scopable
, BlockParent
, Block
, FunctionParent
body
: Array<Statement>
(required)directives
: Array<Directive>
(default: []
)1t.qualifiedTypeIdentifier(id, qualification)
See also t.isQualifiedTypeIdentifier(node, opts)
and t.assertQualifiedTypeIdentifier(node, opts)
.
Aliases: Flow
id
(required)qualification
(required)1t.regExpLiteral(pattern, flags)
See also t.isRegExpLiteral(node, opts)
and t.assertRegExpLiteral(node, opts)
.
Aliases: Expression
, Literal
pattern
: string
(required)flags
: string
(default: ''
)1t.restElement(argument, typeAnnotation)
See also t.isRestElement(node, opts)
and t.assertRestElement(node, opts)
.
Aliases: LVal
argument
: LVal
(required)typeAnnotation
(required)decorators
: Array<Decorator>
(default: null
)1t.restProperty(argument)
See also t.isRestProperty(node, opts)
and t.assertRestProperty(node, opts)
.
Aliases: UnaryLike
argument
: LVal
(required)1t.returnStatement(argument)
See also t.isReturnStatement(node, opts)
and t.assertReturnStatement(node, opts)
.
Aliases: Statement
, Terminatorless
, CompletionStatement
argument
: Expression
(default: null
)1t.sequenceExpression(expressions)
See also t.isSequenceExpression(node, opts)
and t.assertSequenceExpression(node, opts)
.
Aliases: Expression
expressions
: Array<Expression>
(required)1t.spreadElement(argument)
See also t.isSpreadElement(node, opts)
and t.assertSpreadElement(node, opts)
.
Aliases: UnaryLike
argument
: Expression
(required)1t.spreadProperty(argument)
See also t.isSpreadProperty(node, opts)
and t.assertSpreadProperty(node, opts)
.
Aliases: UnaryLike
argument
: Expression
(required)1t.stringLiteral(value)
See also t.isStringLiteral(node, opts)
and t.assertStringLiteral(node, opts)
.
Aliases: Expression
, Pureish
, Literal
, Immutable
value
: string
(required)1t.stringLiteralTypeAnnotation()
See also t.isStringLiteralTypeAnnotation(node, opts)
and t.assertStringLiteralTypeAnnotation(node, opts)
.
Aliases: Flow
1t.stringTypeAnnotation()
See also t.isStringTypeAnnotation(node, opts)
and t.assertStringTypeAnnotation(node, opts)
.
Aliases: Flow
, FlowBaseAnnotation
1t.super()
See also t.isSuper(node, opts)
and t.assertSuper(node, opts)
.
Aliases: Expression
1t.switchCase(test, consequent)
See also t.isSwitchCase(node, opts)
and t.assertSwitchCase(node, opts)
.
test
: Expression
(default: null
)consequent
: Array<Statement>
(required)1t.switchStatement(discriminant, cases)
See also t.isSwitchStatement(node, opts)
and t.assertSwitchStatement(node, opts)
.
Aliases: Statement
, BlockParent
, Scopable
discriminant
: Expression
(required)cases
: Array<SwitchCase>
(required)1t.taggedTemplateExpression(tag, quasi)
See also t.isTaggedTemplateExpression(node, opts)
and t.assertTaggedTemplateExpression(node, opts)
.
Aliases: Expression
tag
: Expression
(required)quasi
: TemplateLiteral
(required)1t.templateElement(value, tail)
See also t.isTemplateElement(node, opts)
and t.assertTemplateElement(node, opts)
.
value
(required)tail
: boolean
(default: false
)1t.templateLiteral(quasis, expressions)
See also t.isTemplateLiteral(node, opts)
and t.assertTemplateLiteral(node, opts)
.
Aliases: Expression
, Literal
quasis
: Array<TemplateElement>
(required)expressions
: Array<Expression>
(required)1t.thisExpression()
See also t.isThisExpression(node, opts)
and t.assertThisExpression(node, opts)
.
Aliases: Expression
1t.thisTypeAnnotation()
See also t.isThisTypeAnnotation(node, opts)
and t.assertThisTypeAnnotation(node, opts)
.
Aliases: Flow
, FlowBaseAnnotation
1t.throwStatement(argument)
See also t.isThrowStatement(node, opts)
and t.assertThrowStatement(node, opts)
.
Aliases: Statement
, Terminatorless
, CompletionStatement
argument
: Expression
(required)1t.tryStatement(block, handler, finalizer)
See also t.isTryStatement(node, opts)
and t.assertTryStatement(node, opts)
.
Aliases: Statement
block
(required)handler
(default: null
)finalizer
: BlockStatement
(default: null
)body
: BlockStatement
(default: null
)1t.tupleTypeAnnotation(types)
See also t.isTupleTypeAnnotation(node, opts)
and t.assertTupleTypeAnnotation(node, opts)
.
Aliases: Flow
types
(required)1t.typeAlias(id, typeParameters, right)
See also t.isTypeAlias(node, opts)
and t.assertTypeAlias(node, opts)
.
Aliases: Flow
, FlowDeclaration
, Statement
, Declaration
id
(required)typeParameters
(required)right
(required)1t.typeAnnotation(typeAnnotation)
See also t.isTypeAnnotation(node, opts)
and t.assertTypeAnnotation(node, opts)
.
Aliases: Flow
typeAnnotation
(required)1t.typeCastExpression(expression, typeAnnotation)
See also t.isTypeCastExpression(node, opts)
and t.assertTypeCastExpression(node, opts)
.
Aliases: Flow
, ExpressionWrapper
, Expression
expression
(required)typeAnnotation
(required)1t.typeParameter(bound)
See also t.isTypeParameter(node, opts)
and t.assertTypeParameter(node, opts)
.
Aliases: Flow
bound
(required)1t.typeParameterDeclaration(params)
See also t.isTypeParameterDeclaration(node, opts)
and t.assertTypeParameterDeclaration(node, opts)
.
Aliases: Flow
params
(required)1t.typeParameterInstantiation(params)
See also t.isTypeParameterInstantiation(node, opts)
and t.assertTypeParameterInstantiation(node, opts)
.
Aliases: Flow
params
(required)1t.typeofTypeAnnotation(argument)
See also t.isTypeofTypeAnnotation(node, opts)
and t.assertTypeofTypeAnnotation(node, opts)
.
Aliases: Flow
argument
(required)1t.unaryExpression(operator, argument, prefix)
See also t.isUnaryExpression(node, opts)
and t.assertUnaryExpression(node, opts)
.
Aliases: UnaryLike
, Expression
operator
: 'void' | 'delete' | '!' | '+' | '-' | '++' | '--' | '~' | 'typeof'
(required)argument
: Expression
(required)prefix
: boolean
(default: true
)1t.unionTypeAnnotation(types)
See also t.isUnionTypeAnnotation(node, opts)
and t.assertUnionTypeAnnotation(node, opts)
.
Aliases: Flow
types
(required)1t.updateExpression(operator, argument, prefix)
See also t.isUpdateExpression(node, opts)
and t.assertUpdateExpression(node, opts)
.
Aliases: Expression
operator
: '++' | '--'
(required)argument
: Expression
(required)prefix
: boolean
(default: false
)1t.variableDeclaration(kind, declarations)
See also t.isVariableDeclaration(node, opts)
and t.assertVariableDeclaration(node, opts)
.
Aliases: Statement
, Declaration
kind
: "var" | "let" | "const"
(required)declarations
: Array<VariableDeclarator>
(required)1t.variableDeclarator(id, init)
See also t.isVariableDeclarator(node, opts)
and t.assertVariableDeclarator(node, opts)
.
id
: LVal
(required)init
: Expression
(default: null
)1t.voidTypeAnnotation()
See also t.isVoidTypeAnnotation(node, opts)
and t.assertVoidTypeAnnotation(node, opts)
.
Aliases: Flow
, FlowBaseAnnotation
1t.whileStatement(test, body)
See also t.isWhileStatement(node, opts)
and t.assertWhileStatement(node, opts)
.
Aliases: Statement
, BlockParent
, Loop
, While
, Scopable
test
: Expression
(required)body
: BlockStatement | Statement
(required)1t.withStatement(object, body)
See also t.isWithStatement(node, opts)
and t.assertWithStatement(node, opts)
.
Aliases: Statement
object
(required)body
: BlockStatement | Statement
(required)1t.yieldExpression(argument, delegate)
See also t.isYieldExpression(node, opts)
and t.assertYieldExpression(node, opts)
.
Aliases: Expression
, Terminatorless
argument
: Expression
(default: null
)delegate
: boolean
(default: false
)No vulnerabilities found.
Reason
30 commit(s) and 9 issue activity found in the last 90 days -- score normalized to 10
Reason
security policy file detected
Details
Reason
no dangerous workflow patterns detected
Reason
license file detected
Details
Reason
no binaries found in the repo
Reason
detected GitHub workflow tokens with excessive permissions
Details
Reason
Found 23/29 approved changesets -- score normalized to 7
Reason
badge detected: InProgress
Reason
dependency not pinned by hash detected -- score normalized to 0
Details
Reason
SAST tool is not run on all commits -- score normalized to 0
Details
Reason
project is not fuzzed
Details
Reason
23 existing vulnerabilities detected
Details
Score
Last Scanned on 2025-01-13
The Open Source Security Foundation is a cross-industry collaboration to improve the security of open source software (OSS). The Scorecard provides security health metrics for open source projects.
Learn More