bloom-layout

# @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  ### 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) ``` See also `t.isArrayPattern(node, opts)` and `t.assertArrayPattern(node, opts)`. Aliases: `Pattern`, `PatternLike`, `LVal` - `elements`: `Array<PatternLike>` (required) - `decorators`: `Array<Decorator>` (default: `null`) - `typeAnnotation`: `TypeAnnotation | TSTypeAnnotation | Noop` (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`) - `expression`: `boolean` (default: `null`) - `generator`: `boolean` (default: `false`) - `returnType`: `TypeAnnotation | TSTypeAnnotation | Noop` (default: `null`) - `typeParameters`: `TypeParameterDeclaration | TSTypeParameterDeclaration | Noop` (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`, `PatternLike`, `LVal` - `left`: `Identifier | ObjectPattern | ArrayPattern` (required) - `right`: `Expression` (required) - `decorators`: `Array<Decorator>` (default: `null`) - `typeAnnotation`: `TypeAnnotation | TSTypeAnnotation | Noop` (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 | JSXNamespacedName>` (required) - `optional`: `true | false` (default: `null`) - `typeParameters`: `TypeParameterInstantiation | TSTypeParameterInstantiation` (default: `null`) --- ### catchClause ```javascript t.catchClause(param, body) ``` See also `t.isCatchClause(node, opts)` and `t.assertCatchClause(node, opts)`. Aliases: `Scopable`, `BlockParent` - `param`: `Identifier` (default: `null`) - `body`: `BlockStatement` (required) --- ### classBody ```javascript t.classBody(body) ``` See also `t.isClassBody(node, opts)` and `t.assertClassBody(node, opts)`. - `body`: `Array<ClassMethod | ClassProperty | TSDeclareMethod | TSIndexSignature>` (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` (default: `null`) - `superClass`: `Expression` (default: `null`) - `body`: `ClassBody` (required) - `decorators`: `Array<Decorator>` (default: `null`) - `abstract`: `boolean` (default: `null`) - `declare`: `boolean` (default: `null`) - `implements`: `Array<TSExpressionWithTypeArguments | FlowClassImplements>` (default: `null`) - `mixins` (default: `null`) - `superTypeParameters`: `TypeParameterInstantiation | TSTypeParameterInstantiation` (default: `null`) - `typeParameters`: `TypeParameterDeclaration | TSTypeParameterDeclaration | Noop` (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>` (default: `null`) - `implements`: `Array<TSExpressionWithTypeArguments | FlowClassImplements>` (default: `null`) - `mixins` (default: `null`) - `superTypeParameters`: `TypeParameterInstantiation | TSTypeParameterInstantiation` (default: `null`) - `typeParameters`: `TypeParameterDeclaration | TSTypeParameterDeclaration | Noop` (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: `null`) - `abstract`: `boolean` (default: `null`) - `access`: `"public" | "private" | "protected"` (default: `null`) - `accessibility`: `"public" | "private" | "protected"` (default: `null`) - `async`: `boolean` (default: `false`) - `decorators`: `Array<Decorator>` (default: `null`) - `generator`: `boolean` (default: `false`) - `optional`: `boolean` (default: `null`) - `returnType`: `TypeAnnotation | TSTypeAnnotation | Noop` (default: `null`) - `typeParameters`: `TypeParameterDeclaration | TSTypeParameterDeclaration | Noop` (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`: `Expression` (default: `null`) - `typeAnnotation`: `TypeAnnotation | TSTypeAnnotation | Noop` (default: `null`) - `decorators`: `Array<Decorator>` (default: `null`) - `computed`: `boolean` (default: `false`) - `abstract`: `boolean` (default: `null`) - `accessibility`: `"public" | "private" | "protected"` (default: `null`) - `optional`: `boolean` (default: `null`) - `readonly`: `boolean` (default: `null`) - `static`: `boolean` (default: `null`) --- ### 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) --- ### declareExportAllDeclaration ```javascript t.declareExportAllDeclaration(source) ``` See also `t.isDeclareExportAllDeclaration(node, opts)` and `t.assertDeclareExportAllDeclaration(node, opts)`. Aliases: `Flow`, `FlowDeclaration`, `Statement`, `Declaration` - `source` (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) --- ### declaredPredicate ```javascript t.declaredPredicate(value) ``` See also `t.isDeclaredPredicate(node, opts)` and `t.assertDeclaredPredicate(node, opts)`. Aliases: `Flow`, `FlowPredicate` - `value` (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` --- ### existsTypeAnnotation ```javascript t.existsTypeAnnotation() ``` See also `t.isExistsTypeAnnotation(node, opts)` and `t.assertExistsTypeAnnotation(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 | TSDeclareFunction | 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 | ExportDefaultSpecifier | ExportNamespaceSpecifier>` (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) --- ### 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) - `await`: `boolean` (default: `false`) --- ### 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` (default: `null`) - `params`: `Array<LVal>` (required) - `body`: `BlockStatement` (required) - `generator`: `boolean` (default: `false`) - `async`: `boolean` (default: `false`) - `declare`: `boolean` (default: `null`) - `returnType`: `TypeAnnotation | TSTypeAnnotation | Noop` (default: `null`) - `typeParameters`: `TypeParameterDeclaration | TSTypeParameterDeclaration | Noop` (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`: `TypeAnnotation | TSTypeAnnotation | Noop` (default: `null`) - `typeParameters`: `TypeParameterDeclaration | TSTypeParameterDeclaration | Noop` (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`, `PatternLike`, `LVal`, `TSEntityName` - `name`: `string` (required) - `decorators`: `Array<Decorator>` (default: `null`) - `optional`: `boolean` (default: `null`) - `typeAnnotation`: `TypeAnnotation | TSTypeAnnotation | Noop` (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`) --- ### inferredPredicate ```javascript t.inferredPredicate() ``` See also `t.isInferredPredicate(node, opts)` and `t.assertInferredPredicate(node, opts)`. Aliases: `Flow`, `FlowPredicate` --- ### 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 | JSXFragment | 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) --- ### jSXClosingFragment ```javascript t.jSXClosingFragment() ``` See also `t.isJSXClosingFragment(node, opts)` and `t.assertJSXClosingFragment(node, opts)`. Aliases: `JSX`, `Immutable` --- ### 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 | JSXFragment>` (required) - `selfClosing` (required) --- ### jSXEmptyExpression ```javascript t.jSXEmptyExpression() ``` See also `t.isJSXEmptyExpression(node, opts)` and `t.assertJSXEmptyExpression(node, opts)`. Aliases: `JSX` --- ### jSXExpressionContainer ```javascript t.jSXExpressionContainer(expression) ``` See also `t.isJSXExpressionContainer(node, opts)` and `t.assertJSXExpressionContainer(node, opts)`. Aliases: `JSX`, `Immutable` - `expression`: `Expression` (required) --- ### jSXFragment ```javascript t.jSXFragment(openingFragment, closingFragment, children) ``` See also `t.isJSXFragment(node, opts)` and `t.assertJSXFragment(node, opts)`. Aliases: `JSX`, `Immutable`, `Expression` - `openingFragment`: `JSXOpeningFragment` (required) - `closingFragment`: `JSXClosingFragment` (required) - `children`: `Array<JSXText | JSXExpressionContainer | JSXSpreadChild | JSXElement | JSXFragment>` (required) --- ### jSXIdentifier ```javascript t.jSXIdentifier(name) ``` See also `t.isJSXIdentifier(node, opts)` and `t.assertJSXIdentifier(node, opts)`. Aliases: `JSX` - `name`: `string` (required) --- ### jSXMemberExpression ```javascript t.jSXMemberExpression(object, property) ``` See also `t.isJSXMemberExpression(node, opts)` and `t.assertJSXMemberExpression(node, opts)`. Aliases: `JSX` - `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`) --- ### jSXOpeningFragment ```javascript t.jSXOpeningFragment() ``` See also `t.isJSXOpeningFragment(node, opts)` and `t.assertJSXOpeningFragment(node, opts)`. Aliases: `JSX`, `Immutable` --- ### 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, optional) ``` 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`) - `optional`: `true | false` (default: `null`) --- ### metaProperty ```javascript t.metaProperty(meta, property) ``` See also `t.isMetaProperty(node, opts)` and `t.assertMetaProperty(node, opts)`. Aliases: `Expression` - `meta`: `Identifier` (required) - `property`: `Identifier` (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 | JSXNamespacedName>` (required) - `optional`: `true | false` (default: `null`) - `typeParameters`: `TypeParameterInstantiation | TSTypeParameterInstantiation` (default: `null`) --- ### 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) --- ### numberLiteralTypeAnnotation ```javascript t.numberLiteralTypeAnnotation() ``` See also `t.isNumberLiteralTypeAnnotation(node, opts)` and `t.assertNumberLiteralTypeAnnotation(node, opts)`. Aliases: `Flow` --- ### 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) --- ### objectExpression ```javascript t.objectExpression(properties) ``` See also `t.isObjectExpression(node, opts)` and `t.assertObjectExpression(node, opts)`. Aliases: `Expression` - `properties`: `Array<ObjectMethod | ObjectProperty | SpreadElement>` (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`: `Array<LVal>` (required) - `body`: `BlockStatement` (required) - `computed`: `boolean` (default: `false`) - `async`: `boolean` (default: `false`) - `decorators`: `Array<Decorator>` (default: `null`) - `generator`: `boolean` (default: `false`) - `returnType`: `TypeAnnotation | TSTypeAnnotation | Noop` (default: `null`) - `typeParameters`: `TypeParameterDeclaration | TSTypeParameterDeclaration | Noop` (default: `null`) --- ### objectPattern ```javascript t.objectPattern(properties) ``` See also `t.isObjectPattern(node, opts)` and `t.assertObjectPattern(node, opts)`. Aliases: `Pattern`, `PatternLike`, `LVal` - `properties`: `Array<RestElement | ObjectProperty>` (required) - `decorators`: `Array<Decorator>` (default: `null`) - `typeAnnotation`: `TypeAnnotation | TSTypeAnnotation | Noop` (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 | PatternLike` (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, supertype, impltype) ``` See also `t.isOpaqueType(node, opts)` and `t.assertOpaqueType(node, opts)`. Aliases: `Flow`, `FlowDeclaration`, `Statement`, `Declaration` - `id` (required) - `typeParameters` (required) - `supertype` (required) - `impltype` (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, sourceType) ``` See also `t.isProgram(node, opts)` and `t.assertProgram(node, opts)`. Aliases: `Scopable`, `BlockParent`, `Block` - `body`: `Array<Statement>` (required) - `directives`: `Array<Directive>` (default: `[]`) - `sourceType`: `'script' | 'module'` (default: `'script'`) - `sourceFile`: `string` (default: `null`) --- ### 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) ``` See also `t.isRestElement(node, opts)` and `t.assertRestElement(node, opts)`. Aliases: `LVal`, `PatternLike` - `argument`: `LVal` (required) - `decorators`: `Array<Decorator>` (default: `null`) - `typeAnnotation`: `TypeAnnotation | TSTypeAnnotation | Noop` (default: `null`) --- ### 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) --- ### 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) --- ### tSAnyKeyword ```javascript t.tSAnyKeyword() ``` See also `t.isTSAnyKeyword(node, opts)` and `t.assertTSAnyKeyword(node, opts)`. Aliases: `TSType` --- ### tSArrayType ```javascript t.tSArrayType(elementType) ``` See also `t.isTSArrayType(node, opts)` and `t.assertTSArrayType(node, opts)`. Aliases: `TSType` - `elementType`: `TSType` (required) --- ### tSAsExpression ```javascript t.tSAsExpression(expression, typeAnnotation) ``` See also `t.isTSAsExpression(node, opts)` and `t.assertTSAsExpression(node, opts)`. Aliases: `Expression` - `expression`: `Expression` (required) - `typeAnnotation`: `TSType` (required) --- ### tSBooleanKeyword ```javascript t.tSBooleanKeyword() ``` See also `t.isTSBooleanKeyword(node, opts)` and `t.assertTSBooleanKeyword(node, opts)`. Aliases: `TSType` --- ### tSCallSignatureDeclaration ```javascript t.tSCallSignatureDeclaration(typeParameters, parameters, typeAnnotation) ``` See also `t.isTSCallSignatureDeclaration(node, opts)` and `t.assertTSCallSignatureDeclaration(node, opts)`. Aliases: `TSTypeElement` - `typeParameters`: `TSTypeParameterDeclaration` (default: `null`) - `parameters`: `Array<Identifier | RestElement>` (default: `null`) - `typeAnnotation`: `TSTypeAnnotation` (default: `null`) --- ### tSConstructSignatureDeclaration ```javascript t.tSConstructSignatureDeclaration(typeParameters, parameters, typeAnnotation) ``` See also `t.isTSConstructSignatureDeclaration(node, opts)` and `t.assertTSConstructSignatureDeclaration(node, opts)`. Aliases: `TSTypeElement` - `typeParameters`: `TSTypeParameterDeclaration` (default: `null`) - `parameters`: `Array<Identifier | RestElement>` (default: `null`) - `typeAnnotation`: `TSTypeAnnotation` (default: `null`) --- ### tSConstructorType ```javascript t.tSConstructorType(typeParameters, typeAnnotation) ``` See also `t.isTSConstructorType(node, opts)` and `t.assertTSConstructorType(node, opts)`. Aliases: `TSType` - `typeParameters`: `TSTypeParameterDeclaration` (default: `null`) - `typeAnnotation`: `TSTypeAnnotation` (default: `null`) - `parameters`: `Array<Identifier | RestElement>` (default: `null`) --- ### tSDeclareFunction ```javascript t.tSDeclareFunction(id, typeParameters, params, returnType) ``` See also `t.isTSDeclareFunction(node, opts)` and `t.assertTSDeclareFunction(node, opts)`. Aliases: `Statement`, `Declaration` - `id`: `Identifier` (default: `null`) - `typeParameters`: `TSTypeParameterDeclaration | Noop` (default: `null`) - `params`: `Array<LVal>` (required) - `returnType`: `TSTypeAnnotation | Noop` (default: `null`) - `async`: `boolean` (default: `false`) - `declare`: `boolean` (default: `null`) - `generator`: `boolean` (default: `false`) --- ### tSDeclareMethod ```javascript t.tSDeclareMethod(decorators, key, typeParameters, params, returnType) ``` See also `t.isTSDeclareMethod(node, opts)` and `t.assertTSDeclareMethod(node, opts)`. - `decorators`: `Array<Decorator>` (default: `null`) - `key` (required) - `typeParameters`: `TSTypeParameterDeclaration | Noop` (default: `null`) - `params`: `Array<LVal>` (required) - `returnType`: `TSTypeAnnotation | Noop` (default: `null`) - `abstract`: `boolean` (default: `null`) - `access`: `"public" | "private" | "protected"` (default: `null`) - `accessibility`: `"public" | "private" | "protected"` (default: `null`) - `async`: `boolean` (default: `false`) - `computed`: `boolean` (default: `false`) - `generator`: `boolean` (default: `false`) - `kind`: `"get" | "set" | "method" | "constructor"` (default: `'method'`) - `optional`: `boolean` (default: `null`) - `static`: `boolean` (default: `null`) --- ### tSEnumDeclaration ```javascript t.tSEnumDeclaration(id, members) ``` See also `t.isTSEnumDeclaration(node, opts)` and `t.assertTSEnumDeclaration(node, opts)`. Aliases: `Statement`, `Declaration` - `id`: `Identifier` (required) - `members`: `Array<TSEnumMember>` (required) - `const`: `boolean` (default: `null`) - `declare`: `boolean` (default: `null`) - `initializer`: `Expression` (default: `null`) --- ### tSEnumMember ```javascript t.tSEnumMember(id, initializer) ``` See also `t.isTSEnumMember(node, opts)` and `t.assertTSEnumMember(node, opts)`. - `id`: `Identifier | StringLiteral` (required) - `initializer`: `Expression` (default: `null`) --- ### tSExportAssignment ```javascript t.tSExportAssignment(expression) ``` See also `t.isTSExportAssignment(node, opts)` and `t.assertTSExportAssignment(node, opts)`. Aliases: `Statement` - `expression`: `Expression` (required) --- ### tSExpressionWithTypeArguments ```javascript t.tSExpressionWithTypeArguments(expression, typeParameters) ``` See also `t.isTSExpressionWithTypeArguments(node, opts)` and `t.assertTSExpressionWithTypeArguments(node, opts)`. Aliases: `TSType` - `expression`: `TSEntityName` (required) - `typeParameters`: `TSTypeParameterInstantiation` (default: `null`) --- ### tSExternalModuleReference ```javascript t.tSExternalModuleReference(expression) ``` See also `t.isTSExternalModuleReference(node, opts)` and `t.assertTSExternalModuleReference(node, opts)`. - `expression`: `StringLiteral` (required) --- ### tSFunctionType ```javascript t.tSFunctionType(typeParameters, typeAnnotation) ``` See also `t.isTSFunctionType(node, opts)` and `t.assertTSFunctionType(node, opts)`. Aliases: `TSType` - `typeParameters`: `TSTypeParameterDeclaration` (default: `null`) - `typeAnnotation`: `TSTypeAnnotation` (default: `null`) - `parameters`: `Array<Identifier | RestElement>` (default: `null`) --- ### tSImportEqualsDeclaration ```javascript t.tSImportEqualsDeclaration(id, moduleReference) ``` See also `t.isTSImportEqualsDeclaration(node, opts)` and `t.assertTSImportEqualsDeclaration(node, opts)`. Aliases: `Statement` - `id`: `Identifier` (required) - `moduleReference`: `TSEntityName | TSExternalModuleReference` (required) - `isExport`: `boolean` (default: `null`) --- ### tSIndexSignature ```javascript t.tSIndexSignature(parameters, typeAnnotation) ``` See also `t.isTSIndexSignature(node, opts)` and `t.assertTSIndexSignature(node, opts)`. Aliases: `TSTypeElement` - `parameters`: `Array<Identifier>` (required) - `typeAnnotation`: `TSTypeAnnotation` (default: `null`) - `readonly`: `boolean` (default: `null`) --- ### tSIndexedAccessType ```javascript t.tSIndexedAccessType(objectType, indexType) ``` See also `t.isTSIndexedAccessType(node, opts)` and `t.assertTSIndexedAccessType(node, opts)`. Aliases: `TSType` - `objectType`: `TSType` (required) - `indexType`: `TSType` (required) --- ### tSInterfaceBody ```javascript t.tSInterfaceBody(body) ``` See also `t.isTSInterfaceBody(node, opts)` and `t.assertTSInterfaceBody(node, opts)`. - `body`: `Array<TSTypeElement>` (required) --- ### tSInterfaceDeclaration ```javascript t.tSInterfaceDeclaration(id, typeParameters, extends, body) ``` See also `t.isTSInterfaceDeclaration(node, opts)` and `t.assertTSInterfaceDeclaration(node, opts)`. Aliases: `Statement`, `Declaration` - `id`: `Identifier` (required) - `typeParameters`: `TSTypeParameterDeclaration` (default: `null`) - `extends`: `Array<TSExpressionWithTypeArguments>` (default: `null`) - `body`: `TSInterfaceBody` (required) - `declare`: `boolean` (default: `null`) --- ### tSIntersectionType ```javascript t.tSIntersectionType(types) ``` See also `t.isTSIntersectionType(node, opts)` and `t.assertTSIntersectionType(node, opts)`. Aliases: `TSType` - `types`: `Array<TSType>` (required) --- ### tSLiteralType ```javascript t.tSLiteralType(literal) ``` See also `t.isTSLiteralType(node, opts)` and `t.assertTSLiteralType(node, opts)`. Aliases: `TSType` - `literal`: `NumericLiteral | StringLiteral | BooleanLiteral` (required) --- ### tSMappedType ```javascript t.tSMappedType(typeParameter, typeAnnotation) ``` See also `t.isTSMappedType(node, opts)` and `t.assertTSMappedType(node, opts)`. Aliases: `TSType` - `typeParameter`: `TSTypeParameter` (required) - `typeAnnotation`: `TSType` (default: `null`) - `optional`: `boolean` (default: `null`) - `readonly`: `boolean` (default: `null`) --- ### tSMethodSignature ```javascript t.tSMethodSignature(key, typeParameters, parameters, typeAnnotation) ``` See also `t.isTSMethodSignature(node, opts)` and `t.assertTSMethodSignature(node, opts)`. Aliases: `TSTypeElement` - `key`: `Expression` (required) - `typeParameters`: `TSTypeParameterDeclaration` (default: `null`) - `parameters`: `Array<Identifier | RestElement>` (default: `null`) - `typeAnnotation`: `TSTypeAnnotation` (default: `null`) - `computed`: `boolean` (default: `null`) - `optional`: `boolean` (default: `null`) --- ### tSModuleBlock ```javascript t.tSModuleBlock(body) ``` See also `t.isTSModuleBlock(node, opts)` and `t.assertTSModuleBlock(node, opts)`. - `body`: `Array<Statement>` (required) --- ### tSModuleDeclaration ```javascript t.tSModuleDeclaration(id, body) ``` See also `t.isTSModuleDeclaration(node, opts)` and `t.assertTSModuleDeclaration(node, opts)`. Aliases: `Statement`, `Declaration` - `id`: `Identifier | StringLiteral` (required) - `body`: `TSModuleBlock | TSModuleDeclaration` (required) - `declare`: `boolean` (default: `null`) - `global`: `boolean` (default: `null`) --- ### tSNamespaceExportDeclaration ```javascript t.tSNamespaceExportDeclaration(id) ``` See also `t.isTSNamespaceExportDeclaration(node, opts)` and `t.assertTSNamespaceExportDeclaration(node, opts)`. Aliases: `Statement` - `id`: `Identifier` (required) --- ### tSNeverKeyword ```javascript t.tSNeverKeyword() ``` See also `t.isTSNeverKeyword(node, opts)` and `t.assertTSNeverKeyword(node, opts)`. Aliases: `TSType` --- ### tSNonNullExpression ```javascript t.tSNonNullExpression(expression) ``` See also `t.isTSNonNullExpression(node, opts)` and `t.assertTSNonNullExpression(node, opts)`. Aliases: `Expression` - `expression`: `Expression` (required) --- ### tSNullKeyword ```javascript t.tSNullKeyword() ``` See also `t.isTSNullKeyword(node, opts)` and `t.assertTSNullKeyword(node, opts)`. Aliases: `TSType` --- ### tSNumberKeyword ```javascript t.tSNumberKeyword() ``` See also `t.isTSNumberKeyword(node, opts)` and `t.assertTSNumberKeyword(node, opts)`. Aliases: `TSType` --- ### tSObjectKeyword ```javascript t.tSObjectKeyword() ``` See also `t.isTSObjectKeyword(node, opts)` and `t.assertTSObjectKeyword(node, opts)`. Aliases: `TSType` --- ### tSParameterProperty ```javascript t.tSParameterProperty(parameter) ``` See also `t.isTSParameterProperty(node, opts)` and `t.assertTSParameterProperty(node, opts)`. Aliases: `LVal` - `parameter`: `Identifier | AssignmentPattern` (required) - `accessibility`: `'public' | 'private' | 'protected'` (default: `null`) - `readonly`: `boolean` (default: `null`) --- ### tSParenthesizedType ```javascript t.tSParenthesizedType(typeAnnotation) ``` See also `t.isTSParenthesizedType(node, opts)` an