biofriction-wp-theme/node_modules/babel-types/README.md

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# babel-types
> This module contains methods for building ASTs manually and for checking the types of AST nodes.
## Install
```sh
npm install --save-dev babel-types
```
## API
<!-- begin generated section -->
### anyTypeAnnotation
```javascript
t.anyTypeAnnotation()
```
See also `t.isAnyTypeAnnotation(node, opts)` and `t.assertAnyTypeAnnotation(node, opts)`.
Aliases: `Flow`, `FlowBaseAnnotation`
---
### arrayExpression
```javascript
t.arrayExpression(elements)
```
See also `t.isArrayExpression(node, opts)` and `t.assertArrayExpression(node, opts)`.
Aliases: `Expression`
- `elements`: `Array<null | Expression | SpreadElement>` (default: `[]`)
---
### arrayPattern
```javascript
t.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`)
---
### arrayTypeAnnotation
```javascript
t.arrayTypeAnnotation(elementType)
```
See also `t.isArrayTypeAnnotation(node, opts)` and `t.assertArrayTypeAnnotation(node, opts)`.
Aliases: `Flow`
- `elementType` (required)
---
### arrowFunctionExpression
```javascript
t.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`)
---
### assignmentExpression
```javascript
t.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)
---
### assignmentPattern
```javascript
t.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`)
---
### awaitExpression
```javascript
t.awaitExpression(argument)
```
See also `t.isAwaitExpression(node, opts)` and `t.assertAwaitExpression(node, opts)`.
Aliases: `Expression`, `Terminatorless`
- `argument`: `Expression` (required)
---
### binaryExpression
```javascript
t.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)
---
### bindExpression
```javascript
t.bindExpression(object, callee)
```
See also `t.isBindExpression(node, opts)` and `t.assertBindExpression(node, opts)`.
Aliases: `Expression`
- `object` (required)
- `callee` (required)
---
### blockStatement
```javascript
t.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: `[]`)
---
### booleanLiteral
```javascript
t.booleanLiteral(value)
```
See also `t.isBooleanLiteral(node, opts)` and `t.assertBooleanLiteral(node, opts)`.
Aliases: `Expression`, `Pureish`, `Literal`, `Immutable`
- `value`: `boolean` (required)
---
### booleanLiteralTypeAnnotation
```javascript
t.booleanLiteralTypeAnnotation()
```
See also `t.isBooleanLiteralTypeAnnotation(node, opts)` and `t.assertBooleanLiteralTypeAnnotation(node, opts)`.
Aliases: `Flow`
---
### booleanTypeAnnotation
```javascript
t.booleanTypeAnnotation()
```
See also `t.isBooleanTypeAnnotation(node, opts)` and `t.assertBooleanTypeAnnotation(node, opts)`.
Aliases: `Flow`, `FlowBaseAnnotation`
---
### breakStatement
```javascript
t.breakStatement(label)
```
See also `t.isBreakStatement(node, opts)` and `t.assertBreakStatement(node, opts)`.
Aliases: `Statement`, `Terminatorless`, `CompletionStatement`
- `label`: `Identifier` (default: `null`)
---
### callExpression
```javascript
t.callExpression(callee, arguments)
```
See also `t.isCallExpression(node, opts)` and `t.assertCallExpression(node, opts)`.
Aliases: `Expression`
- `callee`: `Expression` (required)
- `arguments`: `Array<Expression | SpreadElement>` (required)
---
### catchClause
```javascript
t.catchClause(param, body)
```
See also `t.isCatchClause(node, opts)` and `t.assertCatchClause(node, opts)`.
Aliases: `Scopable`
- `param`: `Identifier` (required)
- `body`: `BlockStatement` (required)
---
### classBody
```javascript
t.classBody(body)
```
See also `t.isClassBody(node, opts)` and `t.assertClassBody(node, opts)`.
- `body`: `Array<ClassMethod | ClassProperty>` (required)
---
### classDeclaration
```javascript
t.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`)
---
### classExpression
```javascript
t.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`)
---
### classImplements
```javascript
t.classImplements(id, typeParameters)
```
See also `t.isClassImplements(node, opts)` and `t.assertClassImplements(node, opts)`.
Aliases: `Flow`
- `id` (required)
- `typeParameters` (required)
---
### classMethod
```javascript
t.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`)
---
### classProperty
```javascript
t.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`)
---
### conditionalExpression
```javascript
t.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)
---
### continueStatement
```javascript
t.continueStatement(label)
```
See also `t.isContinueStatement(node, opts)` and `t.assertContinueStatement(node, opts)`.
Aliases: `Statement`, `Terminatorless`, `CompletionStatement`
- `label`: `Identifier` (default: `null`)
---
### debuggerStatement
```javascript
t.debuggerStatement()
```
See also `t.isDebuggerStatement(node, opts)` and `t.assertDebuggerStatement(node, opts)`.
Aliases: `Statement`
---
### declareClass
```javascript
t.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)
---
### declareExportDeclaration
```javascript
t.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)
---
### declareFunction
```javascript
t.declareFunction(id)
```
See also `t.isDeclareFunction(node, opts)` and `t.assertDeclareFunction(node, opts)`.
Aliases: `Flow`, `FlowDeclaration`, `Statement`, `Declaration`
- `id` (required)
---
### declareInterface
```javascript
t.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)
---
### declareModule
```javascript
t.declareModule(id, body)
```
See also `t.isDeclareModule(node, opts)` and `t.assertDeclareModule(node, opts)`.
Aliases: `Flow`, `FlowDeclaration`, `Statement`, `Declaration`
- `id` (required)
- `body` (required)
---
### declareModuleExports
```javascript
t.declareModuleExports(typeAnnotation)
```
See also `t.isDeclareModuleExports(node, opts)` and `t.assertDeclareModuleExports(node, opts)`.
Aliases: `Flow`, `FlowDeclaration`, `Statement`, `Declaration`
- `typeAnnotation` (required)
---
### declareOpaqueType
```javascript
t.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)
---
### declareTypeAlias
```javascript
t.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)
---
### declareVariable
```javascript
t.declareVariable(id)
```
See also `t.isDeclareVariable(node, opts)` and `t.assertDeclareVariable(node, opts)`.
Aliases: `Flow`, `FlowDeclaration`, `Statement`, `Declaration`
- `id` (required)
---
### decorator
```javascript
t.decorator(expression)
```
See also `t.isDecorator(node, opts)` and `t.assertDecorator(node, opts)`.
- `expression`: `Expression` (required)
---
### directive
```javascript
t.directive(value)
```
See also `t.isDirective(node, opts)` and `t.assertDirective(node, opts)`.
- `value`: `DirectiveLiteral` (required)
---
### directiveLiteral
```javascript
t.directiveLiteral(value)
```
See also `t.isDirectiveLiteral(node, opts)` and `t.assertDirectiveLiteral(node, opts)`.
- `value`: `string` (required)
---
### doExpression
```javascript
t.doExpression(body)
```
See also `t.isDoExpression(node, opts)` and `t.assertDoExpression(node, opts)`.
Aliases: `Expression`
- `body`: `BlockStatement` (required)
---
### doWhileStatement
```javascript
t.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)
---
### emptyStatement
```javascript
t.emptyStatement()
```
See also `t.isEmptyStatement(node, opts)` and `t.assertEmptyStatement(node, opts)`.
Aliases: `Statement`
---
### emptyTypeAnnotation
```javascript
t.emptyTypeAnnotation()
```
See also `t.isEmptyTypeAnnotation(node, opts)` and `t.assertEmptyTypeAnnotation(node, opts)`.
Aliases: `Flow`, `FlowBaseAnnotation`
---
### existentialTypeParam
```javascript
t.existentialTypeParam()
```
See also `t.isExistentialTypeParam(node, opts)` and `t.assertExistentialTypeParam(node, opts)`.
Aliases: `Flow`
---
### exportAllDeclaration
```javascript
t.exportAllDeclaration(source)
```
See also `t.isExportAllDeclaration(node, opts)` and `t.assertExportAllDeclaration(node, opts)`.
Aliases: `Statement`, `Declaration`, `ModuleDeclaration`, `ExportDeclaration`
- `source`: `StringLiteral` (required)
---
### exportDefaultDeclaration
```javascript
t.exportDefaultDeclaration(declaration)
```
See also `t.isExportDefaultDeclaration(node, opts)` and `t.assertExportDefaultDeclaration(node, opts)`.
Aliases: `Statement`, `Declaration`, `ModuleDeclaration`, `ExportDeclaration`
- `declaration`: `FunctionDeclaration | ClassDeclaration | Expression` (required)
---
### exportDefaultSpecifier
```javascript
t.exportDefaultSpecifier(exported)
```
See also `t.isExportDefaultSpecifier(node, opts)` and `t.assertExportDefaultSpecifier(node, opts)`.
Aliases: `ModuleSpecifier`
- `exported`: `Identifier` (required)
---
### exportNamedDeclaration
```javascript
t.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`)
---
### exportNamespaceSpecifier
```javascript
t.exportNamespaceSpecifier(exported)
```
See also `t.isExportNamespaceSpecifier(node, opts)` and `t.assertExportNamespaceSpecifier(node, opts)`.
Aliases: `ModuleSpecifier`
- `exported`: `Identifier` (required)
---
### exportSpecifier
```javascript
t.exportSpecifier(local, exported)
```
See also `t.isExportSpecifier(node, opts)` and `t.assertExportSpecifier(node, opts)`.
Aliases: `ModuleSpecifier`
- `local`: `Identifier` (required)
- `exported`: `Identifier` (required)
---
### expressionStatement
```javascript
t.expressionStatement(expression)
```
See also `t.isExpressionStatement(node, opts)` and `t.assertExpressionStatement(node, opts)`.
Aliases: `Statement`, `ExpressionWrapper`
- `expression`: `Expression` (required)
---
### file
```javascript
t.file(program, comments, tokens)
```
See also `t.isFile(node, opts)` and `t.assertFile(node, opts)`.
- `program`: `Program` (required)
- `comments` (required)
- `tokens` (required)
---
### forAwaitStatement
```javascript
t.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)
---
### forInStatement
```javascript
t.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)
---
### forOfStatement
```javascript
t.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)
---
### forStatement
```javascript
t.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)
---
### functionDeclaration
```javascript
t.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`)
---
### functionExpression
```javascript
t.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`)
---
### functionTypeAnnotation
```javascript
t.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)
---
### functionTypeParam
```javascript
t.functionTypeParam(name, typeAnnotation)
```
See also `t.isFunctionTypeParam(node, opts)` and `t.assertFunctionTypeParam(node, opts)`.
Aliases: `Flow`
- `name` (required)
- `typeAnnotation` (required)
---
### genericTypeAnnotation
```javascript
t.genericTypeAnnotation(id, typeParameters)
```
See also `t.isGenericTypeAnnotation(node, opts)` and `t.assertGenericTypeAnnotation(node, opts)`.
Aliases: `Flow`
- `id` (required)
- `typeParameters` (required)
---
### identifier
```javascript
t.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`)
---
### ifStatement
```javascript
t.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`)
---
### import
```javascript
t.import()
```
See also `t.isImport(node, opts)` and `t.assertImport(node, opts)`.
Aliases: `Expression`
---
### importDeclaration
```javascript
t.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)
---
### importDefaultSpecifier
```javascript
t.importDefaultSpecifier(local)
```
See also `t.isImportDefaultSpecifier(node, opts)` and `t.assertImportDefaultSpecifier(node, opts)`.
Aliases: `ModuleSpecifier`
- `local`: `Identifier` (required)
---
### importNamespaceSpecifier
```javascript
t.importNamespaceSpecifier(local)
```
See also `t.isImportNamespaceSpecifier(node, opts)` and `t.assertImportNamespaceSpecifier(node, opts)`.
Aliases: `ModuleSpecifier`
- `local`: `Identifier` (required)
---
### importSpecifier
```javascript
t.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`)
---
### interfaceDeclaration
```javascript
t.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)
---
### interfaceExtends
```javascript
t.interfaceExtends(id, typeParameters)
```
See also `t.isInterfaceExtends(node, opts)` and `t.assertInterfaceExtends(node, opts)`.
Aliases: `Flow`
- `id` (required)
- `typeParameters` (required)
---
### intersectionTypeAnnotation
```javascript
t.intersectionTypeAnnotation(types)
```
See also `t.isIntersectionTypeAnnotation(node, opts)` and `t.assertIntersectionTypeAnnotation(node, opts)`.
Aliases: `Flow`
- `types` (required)
---
### jSXAttribute
```javascript
t.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`)
---
### jSXClosingElement
```javascript
t.jSXClosingElement(name)
```
See also `t.isJSXClosingElement(node, opts)` and `t.assertJSXClosingElement(node, opts)`.
Aliases: `JSX`, `Immutable`
- `name`: `JSXIdentifier | JSXMemberExpression` (required)
---
### jSXElement
```javascript
t.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)
---
### jSXEmptyExpression
```javascript
t.jSXEmptyExpression()
```
See also `t.isJSXEmptyExpression(node, opts)` and `t.assertJSXEmptyExpression(node, opts)`.
Aliases: `JSX`, `Expression`
---
### jSXExpressionContainer
```javascript
t.jSXExpressionContainer(expression)
```
See also `t.isJSXExpressionContainer(node, opts)` and `t.assertJSXExpressionContainer(node, opts)`.
Aliases: `JSX`, `Immutable`
- `expression`: `Expression` (required)
---
### jSXIdentifier
```javascript
t.jSXIdentifier(name)
```
See also `t.isJSXIdentifier(node, opts)` and `t.assertJSXIdentifier(node, opts)`.
Aliases: `JSX`, `Expression`
- `name`: `string` (required)
---
### jSXMemberExpression
```javascript
t.jSXMemberExpression(object, property)
```
See also `t.isJSXMemberExpression(node, opts)` and `t.assertJSXMemberExpression(node, opts)`.
Aliases: `JSX`, `Expression`
- `object`: `JSXMemberExpression | JSXIdentifier` (required)
- `property`: `JSXIdentifier` (required)
---
### jSXNamespacedName
```javascript
t.jSXNamespacedName(namespace, name)
```
See also `t.isJSXNamespacedName(node, opts)` and `t.assertJSXNamespacedName(node, opts)`.
Aliases: `JSX`
- `namespace`: `JSXIdentifier` (required)
- `name`: `JSXIdentifier` (required)
---
### jSXOpeningElement
```javascript
t.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`)
---
### jSXSpreadAttribute
```javascript
t.jSXSpreadAttribute(argument)
```
See also `t.isJSXSpreadAttribute(node, opts)` and `t.assertJSXSpreadAttribute(node, opts)`.
Aliases: `JSX`
- `argument`: `Expression` (required)
---
### jSXSpreadChild
```javascript
t.jSXSpreadChild(expression)
```
See also `t.isJSXSpreadChild(node, opts)` and `t.assertJSXSpreadChild(node, opts)`.
Aliases: `JSX`, `Immutable`
- `expression`: `Expression` (required)
---
### jSXText
```javascript
t.jSXText(value)
```
See also `t.isJSXText(node, opts)` and `t.assertJSXText(node, opts)`.
Aliases: `JSX`, `Immutable`
- `value`: `string` (required)
---
### labeledStatement
```javascript
t.labeledStatement(label, body)
```
See also `t.isLabeledStatement(node, opts)` and `t.assertLabeledStatement(node, opts)`.
Aliases: `Statement`
- `label`: `Identifier` (required)
- `body`: `Statement` (required)
---
### logicalExpression
```javascript
t.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)
---
### memberExpression
```javascript
t.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`)
---
### metaProperty
```javascript
t.metaProperty(meta, property)
```
See also `t.isMetaProperty(node, opts)` and `t.assertMetaProperty(node, opts)`.
Aliases: `Expression`
- `meta`: `string` (required)
- `property`: `string` (required)
---
### mixedTypeAnnotation
```javascript
t.mixedTypeAnnotation()
```
See also `t.isMixedTypeAnnotation(node, opts)` and `t.assertMixedTypeAnnotation(node, opts)`.
Aliases: `Flow`, `FlowBaseAnnotation`
---
### newExpression
```javascript
t.newExpression(callee, arguments)
```
See also `t.isNewExpression(node, opts)` and `t.assertNewExpression(node, opts)`.
Aliases: `Expression`
- `callee`: `Expression` (required)
- `arguments`: `Array<Expression | SpreadElement>` (required)
---
### noop
```javascript
t.noop()
```
See also `t.isNoop(node, opts)` and `t.assertNoop(node, opts)`.
---
### nullLiteral
```javascript
t.nullLiteral()
```
See also `t.isNullLiteral(node, opts)` and `t.assertNullLiteral(node, opts)`.
Aliases: `Expression`, `Pureish`, `Literal`, `Immutable`
---
### nullLiteralTypeAnnotation
```javascript
t.nullLiteralTypeAnnotation()
```
See also `t.isNullLiteralTypeAnnotation(node, opts)` and `t.assertNullLiteralTypeAnnotation(node, opts)`.
Aliases: `Flow`, `FlowBaseAnnotation`
---
### nullableTypeAnnotation
```javascript
t.nullableTypeAnnotation(typeAnnotation)
```
See also `t.isNullableTypeAnnotation(node, opts)` and `t.assertNullableTypeAnnotation(node, opts)`.
Aliases: `Flow`
- `typeAnnotation` (required)
---
### numberTypeAnnotation
```javascript
t.numberTypeAnnotation()
```
See also `t.isNumberTypeAnnotation(node, opts)` and `t.assertNumberTypeAnnotation(node, opts)`.
Aliases: `Flow`, `FlowBaseAnnotation`
---
### numericLiteral
```javascript
t.numericLiteral(value)
```
See also `t.isNumericLiteral(node, opts)` and `t.assertNumericLiteral(node, opts)`.
Aliases: `Expression`, `Pureish`, `Literal`, `Immutable`
- `value`: `number` (required)
---
### numericLiteralTypeAnnotation
```javascript
t.numericLiteralTypeAnnotation()
```
See also `t.isNumericLiteralTypeAnnotation(node, opts)` and `t.assertNumericLiteralTypeAnnotation(node, opts)`.
Aliases: `Flow`
---
### objectExpression
```javascript
t.objectExpression(properties)
```
See also `t.isObjectExpression(node, opts)` and `t.assertObjectExpression(node, opts)`.
Aliases: `Expression`
- `properties`: `Array<ObjectMethod | ObjectProperty | SpreadProperty>` (required)
---
### objectMethod
```javascript
t.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`)
---
### objectPattern
```javascript
t.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`)
---
### objectProperty
```javascript
t.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`)
---
### objectTypeAnnotation
```javascript
t.objectTypeAnnotation(properties, indexers, callProperties)
```
See also `t.isObjectTypeAnnotation(node, opts)` and `t.assertObjectTypeAnnotation(node, opts)`.
Aliases: `Flow`
- `properties` (required)
- `indexers` (required)
- `callProperties` (required)
---
### objectTypeCallProperty
```javascript
t.objectTypeCallProperty(value)
```
See also `t.isObjectTypeCallProperty(node, opts)` and `t.assertObjectTypeCallProperty(node, opts)`.
Aliases: `Flow`, `UserWhitespacable`
- `value` (required)
---
### objectTypeIndexer
```javascript
t.objectTypeIndexer(id, key, value)
```
See also `t.isObjectTypeIndexer(node, opts)` and `t.assertObjectTypeIndexer(node, opts)`.
Aliases: `Flow`, `UserWhitespacable`
- `id` (required)
- `key` (required)
- `value` (required)
---
### objectTypeProperty
```javascript
t.objectTypeProperty(key, value)
```
See also `t.isObjectTypeProperty(node, opts)` and `t.assertObjectTypeProperty(node, opts)`.
Aliases: `Flow`, `UserWhitespacable`
- `key` (required)
- `value` (required)
---
### objectTypeSpreadProperty
```javascript
t.objectTypeSpreadProperty(argument)
```
See also `t.isObjectTypeSpreadProperty(node, opts)` and `t.assertObjectTypeSpreadProperty(node, opts)`.
Aliases: `Flow`, `UserWhitespacable`
- `argument` (required)
---
### opaqueType
```javascript
t.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)
---
### parenthesizedExpression
```javascript
t.parenthesizedExpression(expression)
```
See also `t.isParenthesizedExpression(node, opts)` and `t.assertParenthesizedExpression(node, opts)`.
Aliases: `Expression`, `ExpressionWrapper`
- `expression`: `Expression` (required)
---
### program
```javascript
t.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: `[]`)
---
### qualifiedTypeIdentifier
```javascript
t.qualifiedTypeIdentifier(id, qualification)
```
See also `t.isQualifiedTypeIdentifier(node, opts)` and `t.assertQualifiedTypeIdentifier(node, opts)`.
Aliases: `Flow`
- `id` (required)
- `qualification` (required)
---
### regExpLiteral
```javascript
t.regExpLiteral(pattern, flags)
```
See also `t.isRegExpLiteral(node, opts)` and `t.assertRegExpLiteral(node, opts)`.
Aliases: `Expression`, `Literal`
- `pattern`: `string` (required)
- `flags`: `string` (default: `''`)
---
### restElement
```javascript
t.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`)
---
### restProperty
```javascript
t.restProperty(argument)
```
See also `t.isRestProperty(node, opts)` and `t.assertRestProperty(node, opts)`.
Aliases: `UnaryLike`
- `argument`: `LVal` (required)
---
### returnStatement
```javascript
t.returnStatement(argument)
```
See also `t.isReturnStatement(node, opts)` and `t.assertReturnStatement(node, opts)`.
Aliases: `Statement`, `Terminatorless`, `CompletionStatement`
- `argument`: `Expression` (default: `null`)
---
### sequenceExpression
```javascript
t.sequenceExpression(expressions)
```
See also `t.isSequenceExpression(node, opts)` and `t.assertSequenceExpression(node, opts)`.
Aliases: `Expression`
- `expressions`: `Array<Expression>` (required)
---
### spreadElement
```javascript
t.spreadElement(argument)
```
See also `t.isSpreadElement(node, opts)` and `t.assertSpreadElement(node, opts)`.
Aliases: `UnaryLike`
- `argument`: `Expression` (required)
---
### spreadProperty
```javascript
t.spreadProperty(argument)
```
See also `t.isSpreadProperty(node, opts)` and `t.assertSpreadProperty(node, opts)`.
Aliases: `UnaryLike`
- `argument`: `Expression` (required)
---
### stringLiteral
```javascript
t.stringLiteral(value)
```
See also `t.isStringLiteral(node, opts)` and `t.assertStringLiteral(node, opts)`.
Aliases: `Expression`, `Pureish`, `Literal`, `Immutable`
- `value`: `string` (required)
---
### stringLiteralTypeAnnotation
```javascript
t.stringLiteralTypeAnnotation()
```
See also `t.isStringLiteralTypeAnnotation(node, opts)` and `t.assertStringLiteralTypeAnnotation(node, opts)`.
Aliases: `Flow`
---
### stringTypeAnnotation
```javascript
t.stringTypeAnnotation()
```
See also `t.isStringTypeAnnotation(node, opts)` and `t.assertStringTypeAnnotation(node, opts)`.
Aliases: `Flow`, `FlowBaseAnnotation`
---
### super
```javascript
t.super()
```
See also `t.isSuper(node, opts)` and `t.assertSuper(node, opts)`.
Aliases: `Expression`
---
### switchCase
```javascript
t.switchCase(test, consequent)
```
See also `t.isSwitchCase(node, opts)` and `t.assertSwitchCase(node, opts)`.
- `test`: `Expression` (default: `null`)
- `consequent`: `Array<Statement>` (required)
---
### switchStatement
```javascript
t.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)
---
### taggedTemplateExpression
```javascript
t.taggedTemplateExpression(tag, quasi)
```
See also `t.isTaggedTemplateExpression(node, opts)` and `t.assertTaggedTemplateExpression(node, opts)`.
Aliases: `Expression`
- `tag`: `Expression` (required)
- `quasi`: `TemplateLiteral` (required)
---
### templateElement
```javascript
t.templateElement(value, tail)
```
See also `t.isTemplateElement(node, opts)` and `t.assertTemplateElement(node, opts)`.
- `value` (required)
- `tail`: `boolean` (default: `false`)
---
### templateLiteral
```javascript
t.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)
---
### thisExpression
```javascript
t.thisExpression()
```
See also `t.isThisExpression(node, opts)` and `t.assertThisExpression(node, opts)`.
Aliases: `Expression`
---
### thisTypeAnnotation
```javascript
t.thisTypeAnnotation()
```
See also `t.isThisTypeAnnotation(node, opts)` and `t.assertThisTypeAnnotation(node, opts)`.
Aliases: `Flow`, `FlowBaseAnnotation`
---
### throwStatement
```javascript
t.throwStatement(argument)
```
See also `t.isThrowStatement(node, opts)` and `t.assertThrowStatement(node, opts)`.
Aliases: `Statement`, `Terminatorless`, `CompletionStatement`
- `argument`: `Expression` (required)
---
### tryStatement
```javascript
t.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`)
---
### tupleTypeAnnotation
```javascript
t.tupleTypeAnnotation(types)
```
See also `t.isTupleTypeAnnotation(node, opts)` and `t.assertTupleTypeAnnotation(node, opts)`.
Aliases: `Flow`
- `types` (required)
---
### typeAlias
```javascript
t.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)
---
### typeAnnotation
```javascript
t.typeAnnotation(typeAnnotation)
```
See also `t.isTypeAnnotation(node, opts)` and `t.assertTypeAnnotation(node, opts)`.
Aliases: `Flow`
- `typeAnnotation` (required)
---
### typeCastExpression
```javascript
t.typeCastExpression(expression, typeAnnotation)
```
See also `t.isTypeCastExpression(node, opts)` and `t.assertTypeCastExpression(node, opts)`.
Aliases: `Flow`, `ExpressionWrapper`, `Expression`
- `expression` (required)
- `typeAnnotation` (required)
---
### typeParameter
```javascript
t.typeParameter(bound)
```
See also `t.isTypeParameter(node, opts)` and `t.assertTypeParameter(node, opts)`.
Aliases: `Flow`
- `bound` (required)
---
### typeParameterDeclaration
```javascript
t.typeParameterDeclaration(params)
```
See also `t.isTypeParameterDeclaration(node, opts)` and `t.assertTypeParameterDeclaration(node, opts)`.
Aliases: `Flow`
- `params` (required)
---
### typeParameterInstantiation
```javascript
t.typeParameterInstantiation(params)
```
See also `t.isTypeParameterInstantiation(node, opts)` and `t.assertTypeParameterInstantiation(node, opts)`.
Aliases: `Flow`
- `params` (required)
---
### typeofTypeAnnotation
```javascript
t.typeofTypeAnnotation(argument)
```
See also `t.isTypeofTypeAnnotation(node, opts)` and `t.assertTypeofTypeAnnotation(node, opts)`.
Aliases: `Flow`
- `argument` (required)
---
### unaryExpression
```javascript
t.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`)
---
### unionTypeAnnotation
```javascript
t.unionTypeAnnotation(types)
```
See also `t.isUnionTypeAnnotation(node, opts)` and `t.assertUnionTypeAnnotation(node, opts)`.
Aliases: `Flow`
- `types` (required)
---
### updateExpression
```javascript
t.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`)
---
### variableDeclaration
```javascript
t.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)
---
### variableDeclarator
```javascript
t.variableDeclarator(id, init)
```
See also `t.isVariableDeclarator(node, opts)` and `t.assertVariableDeclarator(node, opts)`.
- `id`: `LVal` (required)
- `init`: `Expression` (default: `null`)
---
### voidTypeAnnotation
```javascript
t.voidTypeAnnotation()
```
See also `t.isVoidTypeAnnotation(node, opts)` and `t.assertVoidTypeAnnotation(node, opts)`.
Aliases: `Flow`, `FlowBaseAnnotation`
---
### whileStatement
```javascript
t.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)
---
### withStatement
```javascript
t.withStatement(object, body)
```
See also `t.isWithStatement(node, opts)` and `t.assertWithStatement(node, opts)`.
Aliases: `Statement`
- `object` (required)
- `body`: `BlockStatement | Statement` (required)
---
### yieldExpression
```javascript
t.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`)
---
<!-- end generated section -->