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@typescript-eslint/typescript-estree

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A parser that converts TypeScript source code into an ESTree compatible form

typescript-eslint.io/packages/typescript-estree

typescript-eslint/typescript-eslint

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import type { AST_NODE_TYPES, TSESTree } from '@typescript-eslint/types'; import type * as ts from 'typescript'; import type { TSNode } from './ts-nodes'; export interface EstreeToTsNodeTypes { [AST_NODE_TYPES.AccessorProperty]: ts.PropertyDeclaration; [AST_NODE_TYPES.ArrayExpression]: ts.ArrayLiteralExpression; [AST_NODE_TYPES.ArrayPattern]: ts.ArrayBindingPattern | ts.ArrayLiteralExpression; [AST_NODE_TYPES.ArrowFunctionExpression]: ts.ArrowFunction; [AST_NODE_TYPES.AssignmentExpression]: ts.BinaryExpression; [AST_NODE_TYPES.AssignmentPattern]: ts.BinaryExpression | ts.BindingElement | ts.ParameterDeclaration | ts.ShorthandPropertyAssignment; [AST_NODE_TYPES.AwaitExpression]: ts.AwaitExpression; [AST_NODE_TYPES.BinaryExpression]: ts.BinaryExpression; [AST_NODE_TYPES.BlockStatement]: ts.Block; [AST_NODE_TYPES.BreakStatement]: ts.BreakStatement; [AST_NODE_TYPES.CallExpression]: ts.CallExpression; [AST_NODE_TYPES.CatchClause]: ts.CatchClause; [AST_NODE_TYPES.ChainExpression]: ts.CallExpression | ts.ElementAccessExpression | ts.NonNullExpression | ts.PropertyAccessExpression; [AST_NODE_TYPES.ClassBody]: ts.ClassDeclaration | ts.ClassExpression; [AST_NODE_TYPES.ClassDeclaration]: ts.ClassDeclaration; [AST_NODE_TYPES.ClassExpression]: ts.ClassExpression; [AST_NODE_TYPES.ConditionalExpression]: ts.ConditionalExpression; [AST_NODE_TYPES.ContinueStatement]: ts.ContinueStatement; [AST_NODE_TYPES.DebuggerStatement]: ts.DebuggerStatement; [AST_NODE_TYPES.Decorator]: ts.Decorator; [AST_NODE_TYPES.DoWhileStatement]: ts.DoStatement; [AST_NODE_TYPES.EmptyStatement]: ts.EmptyStatement; [AST_NODE_TYPES.ExportAllDeclaration]: ts.ExportDeclaration; [AST_NODE_TYPES.ExportDefaultDeclaration]: ts.ClassDeclaration | ts.ClassExpression | ts.EnumDeclaration | ts.ExportAssignment | ts.FunctionDeclaration | ts.InterfaceDeclaration | ts.ModuleDeclaration | ts.TypeAliasDeclaration | ts.VariableStatement; [AST_NODE_TYPES.ExportNamedDeclaration]: ts.ClassDeclaration | ts.ClassExpression | ts.EnumDeclaration | ts.ExportDeclaration | ts.FunctionDeclaration | ts.ImportEqualsDeclaration | ts.InterfaceDeclaration | ts.ModuleDeclaration | ts.TypeAliasDeclaration | ts.VariableStatement; [AST_NODE_TYPES.ExportSpecifier]: ts.ExportSpecifier; [AST_NODE_TYPES.ExpressionStatement]: ts.ExpressionStatement; [AST_NODE_TYPES.ForInStatement]: ts.ForInStatement; [AST_NODE_TYPES.ForOfStatement]: ts.ForOfStatement; [AST_NODE_TYPES.ForStatement]: ts.ForStatement; [AST_NODE_TYPES.FunctionDeclaration]: ts.FunctionDeclaration; [AST_NODE_TYPES.FunctionExpression]: ts.ConstructorDeclaration | ts.FunctionExpression | ts.GetAccessorDeclaration | ts.MethodDeclaration | ts.SetAccessorDeclaration; [AST_NODE_TYPES.Identifier]: ts.ConstructorDeclaration | ts.Identifier | ts.Token<ts.SyntaxKind.ImportKeyword | ts.SyntaxKind.NewKeyword>; [AST_NODE_TYPES.IfStatement]: ts.IfStatement; [AST_NODE_TYPES.PrivateIdentifier]: ts.PrivateIdentifier; [AST_NODE_TYPES.PropertyDefinition]: ts.PropertyDeclaration; [AST_NODE_TYPES.ImportAttribute]: 'ImportAttribute' extends keyof typeof ts ? ts.ImportAttribute : ts.AssertEntry; [AST_NODE_TYPES.ImportDeclaration]: ts.ImportDeclaration; [AST_NODE_TYPES.ImportDefaultSpecifier]: ts.ImportClause; [AST_NODE_TYPES.ImportExpression]: ts.CallExpression; [AST_NODE_TYPES.ImportNamespaceSpecifier]: ts.NamespaceImport; [AST_NODE_TYPES.ImportSpecifier]: ts.ImportSpecifier; [AST_NODE_TYPES.JSXAttribute]: ts.JsxAttribute; [AST_NODE_TYPES.JSXClosingElement]: ts.JsxClosingElement; [AST_NODE_TYPES.JSXClosingFragment]: ts.JsxClosingFragment; [AST_NODE_TYPES.JSXElement]: ts.JsxElement | ts.JsxSelfClosingElement; [AST_NODE_TYPES.JSXEmptyExpression]: ts.JsxExpression; [AST_NODE_TYPES.JSXExpressionContainer]: ts.JsxExpression; [AST_NODE_TYPES.JSXFragment]: ts.JsxFragment; [AST_NODE_TYPES.JSXIdentifier]: ts.Identifier | ts.ThisExpression; [AST_NODE_TYPES.JSXMemberExpression]: ts.PropertyAccessExpression; [AST_NODE_TYPES.JSXNamespacedName]: ts.JsxNamespacedName; [AST_NODE_TYPES.JSXOpeningElement]: ts.JsxOpeningElement | ts.JsxSelfClosingElement; [AST_NODE_TYPES.JSXOpeningFragment]: ts.JsxOpeningFragment; [AST_NODE_TYPES.JSXSpreadAttribute]: ts.JsxSpreadAttribute; [AST_NODE_TYPES.JSXSpreadChild]: ts.JsxExpression; [AST_NODE_TYPES.JSXText]: ts.JsxText; [AST_NODE_TYPES.LabeledStatement]: ts.LabeledStatement; [AST_NODE_TYPES.Literal]: ts.BigIntLiteral | ts.BooleanLiteral | ts.NullLiteral | ts.NumericLiteral | ts.RegularExpressionLiteral | ts.StringLiteral; [AST_NODE_TYPES.LogicalExpression]: ts.BinaryExpression; [AST_NODE_TYPES.MemberExpression]: ts.ElementAccessExpression | ts.PropertyAccessExpression; [AST_NODE_TYPES.MetaProperty]: ts.MetaProperty; [AST_NODE_TYPES.MethodDefinition]: ts.ConstructorDeclaration | ts.GetAccessorDeclaration | ts.MethodDeclaration | ts.SetAccessorDeclaration; [AST_NODE_TYPES.NewExpression]: ts.NewExpression; [AST_NODE_TYPES.ObjectExpression]: ts.ObjectLiteralExpression; [AST_NODE_TYPES.ObjectPattern]: ts.ObjectBindingPattern | ts.ObjectLiteralExpression; [AST_NODE_TYPES.Program]: ts.SourceFile; [AST_NODE_TYPES.Property]: ts.BindingElement | ts.GetAccessorDeclaration | ts.MethodDeclaration | ts.PropertyAssignment | ts.SetAccessorDeclaration | ts.ShorthandPropertyAssignment; [AST_NODE_TYPES.RestElement]: ts.BindingElement | ts.ParameterDeclaration | ts.SpreadAssignment | ts.SpreadElement; [AST_NODE_TYPES.ReturnStatement]: ts.ReturnStatement; [AST_NODE_TYPES.SequenceExpression]: ts.BinaryExpression; [AST_NODE_TYPES.SpreadElement]: ts.SpreadAssignment | ts.SpreadElement; [AST_NODE_TYPES.StaticBlock]: ts.ClassStaticBlockDeclaration; [AST_NODE_TYPES.Super]: ts.SuperExpression; [AST_NODE_TYPES.SwitchCase]: ts.CaseClause | ts.DefaultClause; [AST_NODE_TYPES.SwitchStatement]: ts.SwitchStatement; [AST_NODE_TYPES.TaggedTemplateExpression]: ts.TaggedTemplateExpression; [AST_NODE_TYPES.TemplateElement]: ts.NoSubstitutionTemplateLiteral | ts.TemplateHead | ts.TemplateMiddle | ts.TemplateTail; [AST_NODE_TYPES.TemplateLiteral]: ts.NoSubstitutionTemplateLiteral | ts.TemplateExpression; [AST_NODE_TYPES.ThisExpression]: ts.Identifier | ts.KeywordTypeNode | ts.ThisExpression; [AST_NODE_TYPES.ThrowStatement]: ts.ThrowStatement; [AST_NODE_TYPES.TryStatement]: ts.TryStatement; [AST_NODE_TYPES.TSAbstractAccessorProperty]: ts.PropertyDeclaration; [AST_NODE_TYPES.TSAbstractMethodDefinition]: ts.ConstructorDeclaration | ts.GetAccessorDeclaration | ts.MethodDeclaration | ts.SetAccessorDeclaration; [AST_NODE_TYPES.TSAbstractPropertyDefinition]: ts.PropertyDeclaration; [AST_NODE_TYPES.TSArrayType]: ts.ArrayTypeNode; [AST_NODE_TYPES.TSAsExpression]: ts.AsExpression; [AST_NODE_TYPES.TSCallSignatureDeclaration]: ts.CallSignatureDeclaration; [AST_NODE_TYPES.TSClassImplements]: ts.ExpressionWithTypeArguments; [AST_NODE_TYPES.TSConditionalType]: ts.ConditionalTypeNode; [AST_NODE_TYPES.TSConstructorType]: ts.ConstructorTypeNode; [AST_NODE_TYPES.TSConstructSignatureDeclaration]: ts.ConstructSignatureDeclaration; [AST_NODE_TYPES.TSDeclareFunction]: ts.FunctionDeclaration; [AST_NODE_TYPES.TSEnumBody]: ts.EnumDeclaration; [AST_NODE_TYPES.TSEnumDeclaration]: ts.EnumDeclaration; [AST_NODE_TYPES.TSEnumMember]: ts.EnumMember; [AST_NODE_TYPES.TSExportAssignment]: ts.ExportAssignment; [AST_NODE_TYPES.TSExternalModuleReference]: ts.ExternalModuleReference; [AST_NODE_TYPES.TSFunctionType]: ts.FunctionTypeNode; [AST_NODE_TYPES.TSImportEqualsDeclaration]: ts.ImportEqualsDeclaration; [AST_NODE_TYPES.TSImportType]: ts.ImportTypeNode; [AST_NODE_TYPES.TSIndexedAccessType]: ts.IndexedAccessTypeNode; [AST_NODE_TYPES.TSIndexSignature]: ts.IndexSignatureDeclaration; [AST_NODE_TYPES.TSInferType]: ts.InferTypeNode; [AST_NODE_TYPES.TSInstantiationExpression]: ts.ExpressionWithTypeArguments; [AST_NODE_TYPES.TSInterfaceBody]: ts.InterfaceDeclaration; [AST_NODE_TYPES.TSInterfaceDeclaration]: ts.InterfaceDeclaration; [AST_NODE_TYPES.TSInterfaceHeritage]: ts.ExpressionWithTypeArguments; [AST_NODE_TYPES.TSIntersectionType]: ts.IntersectionTypeNode; [AST_NODE_TYPES.TSLiteralType]: ts.LiteralTypeNode; [AST_NODE_TYPES.TSMappedType]: ts.MappedTypeNode; [AST_NODE_TYPES.TSMethodSignature]: ts.GetAccessorDeclaration | ts.MethodSignature | ts.SetAccessorDeclaration; [AST_NODE_TYPES.TSModuleBlock]: ts.ModuleBlock; [AST_NODE_TYPES.TSModuleDeclaration]: ts.ModuleDeclaration; [AST_NODE_TYPES.TSNamedTupleMember]: ts.NamedTupleMember; [AST_NODE_TYPES.TSNamespaceExportDeclaration]: ts.NamespaceExportDeclaration; [AST_NODE_TYPES.TSNonNullExpression]: ts.NonNullExpression; [AST_NODE_TYPES.TSOptionalType]: ts.OptionalTypeNode; [AST_NODE_TYPES.TSParameterProperty]: ts.ParameterDeclaration; [AST_NODE_TYPES.TSPropertySignature]: ts.PropertySignature; [AST_NODE_TYPES.TSQualifiedName]: ts.Identifier | ts.QualifiedName; [AST_NODE_TYPES.TSRestType]: ts.NamedTupleMember | ts.RestTypeNode; [AST_NODE_TYPES.TSSatisfiesExpression]: ts.SatisfiesExpression; [AST_NODE_TYPES.TSTemplateLiteralType]: ts.TemplateLiteralTypeNode; [AST_NODE_TYPES.TSThisType]: ts.ThisTypeNode; [AST_NODE_TYPES.TSTupleType]: ts.TupleTypeNode; [AST_NODE_TYPES.TSTypeAliasDeclaration]: ts.TypeAliasDeclaration; [AST_NODE_TYPES.TSTypeAnnotation]: undefined; [AST_NODE_TYPES.TSTypeAssertion]: ts.TypeAssertion; [AST_NODE_TYPES.TSTypeLiteral]: ts.TypeLiteralNode; [AST_NODE_TYPES.TSTypeOperator]: ts.TypeOperatorNode; [AST_NODE_TYPES.TSTypeParameter]: ts.TypeParameterDeclaration; [AST_NODE_TYPES.TSTypeParameterDeclaration]: undefined; [AST_NODE_TYPES.TSTypeParameterInstantiation]: ts.CallExpression | ts.ExpressionWithTypeArguments | ts.ImportTypeNode | ts.JsxOpeningElement | ts.JsxSelfClosingElement | ts.NewExpression | ts.TaggedTemplateExpression | ts.TypeQueryNode | ts.TypeReferenceNode; [AST_NODE_TYPES.TSTypePredicate]: ts.TypePredicateNode; [AST_NODE_TYPES.TSTypeQuery]: ts.ImportTypeNode | ts.TypeQueryNode; [AST_NODE_TYPES.TSTypeReference]: ts.TypeReferenceNode; [AST_NODE_TYPES.TSUnionType]: ts.UnionTypeNode; [AST_NODE_TYPES.UnaryExpression]: ts.DeleteExpression | ts.PostfixUnaryExpression | ts.PrefixUnaryExpression | ts.TypeOfExpression | ts.VoidExpression; [AST_NODE_TYPES.UpdateExpression]: ts.PostfixUnaryExpression | ts.PrefixUnaryExpression; [AST_NODE_TYPES.VariableDeclaration]: ts.VariableDeclarationList | ts.VariableStatement; [AST_NODE_TYPES.VariableDeclarator]: ts.VariableDeclaration; [AST_NODE_TYPES.WhileStatement]: ts.WhileStatement; [AST_NODE_TYPES.WithStatement]: ts.WithStatement; [AST_NODE_TYPES.YieldExpression]: ts.YieldExpression; [AST_NODE_TYPES.TSEmptyBodyFunctionExpression]: ts.ConstructorDeclaration | ts.FunctionExpression | ts.GetAccessorDeclaration | ts.MethodDeclaration | ts.SetAccessorDeclaration; [AST_NODE_TYPES.TSAbstractKeyword]: ts.Token<ts.SyntaxKind.AbstractKeyword>; [AST_NODE_TYPES.TSAnyKeyword]: ts.KeywordTypeNode; [AST_NODE_TYPES.TSBigIntKeyword]: ts.KeywordTypeNode; [AST_NODE_TYPES.TSBooleanKeyword]: ts.KeywordTypeNode; [AST_NODE_TYPES.TSIntrinsicKeyword]: ts.KeywordTypeNode; [AST_NODE_TYPES.TSNeverKeyword]: ts.KeywordTypeNode; [AST_NODE_TYPES.TSNullKeyword]: ts.KeywordTypeNode | ts.NullLiteral; [AST_NODE_TYPES.TSNumberKeyword]: ts.KeywordTypeNode; [AST_NODE_TYPES.TSObjectKeyword]: ts.KeywordTypeNode; [AST_NODE_TYPES.TSStringKeyword]: ts.KeywordTypeNode; [AST_NODE_TYPES.TSSymbolKeyword]: ts.KeywordTypeNode; [AST_NODE_TYPES.TSUndefinedKeyword]: ts.KeywordTypeNode; [AST_NODE_TYPES.TSUnknownKeyword]: ts.KeywordTypeNode; [AST_NODE_TYPES.TSVoidKeyword]: ts.KeywordTypeNode; [AST_NODE_TYPES.TSAsyncKeyword]: ts.Token<ts.SyntaxKind.AsyncKeyword>; [AST_NODE_TYPES.TSDeclareKeyword]: ts.Token<ts.SyntaxKind.DeclareKeyword>; [AST_NODE_TYPES.TSExportKeyword]: ts.Token<ts.SyntaxKind.ExportKeyword>; [AST_NODE_TYPES.TSPrivateKeyword]: ts.Token<ts.SyntaxKind.PrivateKeyword>; [AST_NODE_TYPES.TSProtectedKeyword]: ts.Token<ts.SyntaxKind.ProtectedKeyword>; [AST_NODE_TYPES.TSPublicKeyword]: ts.Token<ts.SyntaxKind.PublicKeyword>; [AST_NODE_TYPES.TSReadonlyKeyword]: ts.Token<ts.SyntaxKind.ReadonlyKeyword>; [AST_NODE_TYPES.TSStaticKeyword]: ts.Token<ts.SyntaxKind.StaticKeyword>; } /** * Maps TSESTree AST Node type to the expected TypeScript AST Node type(s). * This mapping is based on the internal logic of the parser. */ export type TSESTreeToTSNode<T extends TSESTree.Node = TSESTree.Node> = Extract<ts.Token<ts.SyntaxKind.ImportKeyword | ts.SyntaxKind.NewKeyword> | TSNode, EstreeToTsNodeTypes[T['type']]>;