20222670105/node_modules/@babel/parser/lib/index.js

'use strict';

Object.defineProperty(exports, '__esModule', {
  value: true
});
function _objectWithoutPropertiesLoose(r, e) {
  if (null == r) return {};
  var t = {};
  for (var n in r) if ({}.hasOwnProperty.call(r, n)) {
    if (e.includes(n)) continue;
    t[n] = r[n];
  }
  return t;
}
class Position {
  constructor(line, col, index) {
    this.line = void 0;
    this.column = void 0;
    this.index = void 0;
    this.line = line;
    this.column = col;
    this.index = index;
  }
}
class SourceLocation {
  constructor(start, end) {
    this.start = void 0;
    this.end = void 0;
    this.filename = void 0;
    this.identifierName = void 0;
    this.start = start;
    this.end = end;
  }
}
function createPositionWithColumnOffset(position, columnOffset) {
  const {
    line,
    column,
    index
  } = position;
  return new Position(line, column + columnOffset, index + columnOffset);
}
const code = "BABEL_PARSER_SOURCETYPE_MODULE_REQUIRED";
var ModuleErrors = {
  ImportMetaOutsideModule: {
    message: `import.meta may appear only with 'sourceType: "module"'`,
    code
  },
  ImportOutsideModule: {
    message: `'import' and 'export' may appear only with 'sourceType: "module"'`,
    code
  }
};
const NodeDescriptions = {
  ArrayPattern: "array destructuring pattern",
  AssignmentExpression: "assignment expression",
  AssignmentPattern: "assignment expression",
  ArrowFunctionExpression: "arrow function expression",
  ConditionalExpression: "conditional expression",
  CatchClause: "catch clause",
  ForOfStatement: "for-of statement",
  ForInStatement: "for-in statement",
  ForStatement: "for-loop",
  FormalParameters: "function parameter list",
  Identifier: "identifier",
  ImportSpecifier: "import specifier",
  ImportDefaultSpecifier: "import default specifier",
  ImportNamespaceSpecifier: "import namespace specifier",
  ObjectPattern: "object destructuring pattern",
  ParenthesizedExpression: "parenthesized expression",
  RestElement: "rest element",
  UpdateExpression: {
    true: "prefix operation",
    false: "postfix operation"
  },
  VariableDeclarator: "variable declaration",
  YieldExpression: "yield expression"
};
const toNodeDescription = node => node.type === "UpdateExpression" ? NodeDescriptions.UpdateExpression[`${node.prefix}`] : NodeDescriptions[node.type];
var StandardErrors = {
  AccessorIsGenerator: ({
    kind
  }) => `A ${kind}ter cannot be a generator.`,
  ArgumentsInClass: "'arguments' is only allowed in functions and class methods.",
  AsyncFunctionInSingleStatementContext: "Async functions can only be declared at the top level or inside a block.",
  AwaitBindingIdentifier: "Can not use 'await' as identifier inside an async function.",
  AwaitBindingIdentifierInStaticBlock: "Can not use 'await' as identifier inside a static block.",
  AwaitExpressionFormalParameter: "'await' is not allowed in async function parameters.",
  AwaitUsingNotInAsyncContext: "'await using' is only allowed within async functions and at the top levels of modules.",
  AwaitNotInAsyncContext: "'await' is only allowed within async functions and at the top levels of modules.",
  AwaitNotInAsyncFunction: "'await' is only allowed within async functions.",
  BadGetterArity: "A 'get' accessor must not have any formal parameters.",
  BadSetterArity: "A 'set' accessor must have exactly one formal parameter.",
  BadSetterRestParameter: "A 'set' accessor function argument must not be a rest parameter.",
  ConstructorClassField: "Classes may not have a field named 'constructor'.",
  ConstructorClassPrivateField: "Classes may not have a private field named '#constructor'.",
  ConstructorIsAccessor: "Class constructor may not be an accessor.",
  ConstructorIsAsync: "Constructor can't be an async function.",
  ConstructorIsGenerator: "Constructor can't be a generator.",
  DeclarationMissingInitializer: ({
    kind
  }) => `Missing initializer in ${kind} declaration.`,
  DecoratorArgumentsOutsideParentheses: "Decorator arguments must be moved inside parentheses: use '@(decorator(args))' instead of '@(decorator)(args)'.",
  DecoratorBeforeExport: "Decorators must be placed *before* the 'export' keyword. Remove the 'decoratorsBeforeExport: true' option to use the 'export @decorator class {}' syntax.",
  DecoratorsBeforeAfterExport: "Decorators can be placed *either* before or after the 'export' keyword, but not in both locations at the same time.",
  DecoratorConstructor: "Decorators can't be used with a constructor. Did you mean '@dec class { ... }'?",
  DecoratorExportClass: "Decorators must be placed *after* the 'export' keyword. Remove the 'decoratorsBeforeExport: false' option to use the '@decorator export class {}' syntax.",
  DecoratorSemicolon: "Decorators must not be followed by a semicolon.",
  DecoratorStaticBlock: "Decorators can't be used with a static block.",
  DeferImportRequiresNamespace: 'Only `import defer * as x from "./module"` is valid.',
  DeletePrivateField: "Deleting a private field is not allowed.",
  DestructureNamedImport: "ES2015 named imports do not destructure. Use another statement for destructuring after the import.",
  DuplicateConstructor: "Duplicate constructor in the same class.",
  DuplicateDefaultExport: "Only one default export allowed per module.",
  DuplicateExport: ({
    exportName
  }) => `\`${exportName}\` has already been exported. Exported identifiers must be unique.`,
  DuplicateProto: "Redefinition of __proto__ property.",
  DuplicateRegExpFlags: "Duplicate regular expression flag.",
  DynamicImportPhaseRequiresImportExpressions: ({
    phase
  }) => `'import.${phase}(...)' can only be parsed when using the 'createImportExpressions' option.`,
  ElementAfterRest: "Rest element must be last element.",
  EscapedCharNotAnIdentifier: "Invalid Unicode escape.",
  ExportBindingIsString: ({
    localName,
    exportName
  }) => `A string literal cannot be used as an exported binding without \`from\`.\n- Did you mean \`export { '${localName}' as '${exportName}' } from 'some-module'\`?`,
  ExportDefaultFromAsIdentifier: "'from' is not allowed as an identifier after 'export default'.",
  ForInOfLoopInitializer: ({
    type
  }) => `'${type === "ForInStatement" ? "for-in" : "for-of"}' loop variable declaration may not have an initializer.`,
  ForInUsing: "For-in loop may not start with 'using' declaration.",
  ForOfAsync: "The left-hand side of a for-of loop may not be 'async'.",
  ForOfLet: "The left-hand side of a for-of loop may not start with 'let'.",
  GeneratorInSingleStatementContext: "Generators can only be declared at the top level or inside a block.",
  IllegalBreakContinue: ({
    type
  }) => `Unsyntactic ${type === "BreakStatement" ? "break" : "continue"}.`,
  IllegalLanguageModeDirective: "Illegal 'use strict' directive in function with non-simple parameter list.",
  IllegalReturn: "'return' outside of function.",
  ImportAttributesUseAssert: "The `assert` keyword in import attributes is deprecated and it has been replaced by the `with` keyword. You can enable the `deprecatedImportAssert` parser plugin to suppress this error.",
  ImportBindingIsString: ({
    importName
  }) => `A string literal cannot be used as an imported binding.\n- Did you mean \`import { "${importName}" as foo }\`?`,
  ImportCallArity: `\`import()\` requires exactly one or two arguments.`,
  ImportCallNotNewExpression: "Cannot use new with import(...).",
  ImportCallSpreadArgument: "`...` is not allowed in `import()`.",
  ImportJSONBindingNotDefault: "A JSON module can only be imported with `default`.",
  ImportReflectionHasAssertion: "`import module x` cannot have assertions.",
  ImportReflectionNotBinding: 'Only `import module x from "./module"` is valid.',
  IncompatibleRegExpUVFlags: "The 'u' and 'v' regular expression flags cannot be enabled at the same time.",
  InvalidBigIntLiteral: "Invalid BigIntLiteral.",
  InvalidCodePoint: "Code point out of bounds.",
  InvalidCoverInitializedName: "Invalid shorthand property initializer.",
  InvalidDecimal: "Invalid decimal.",
  InvalidDigit: ({
    radix
  }) => `Expected number in radix ${radix}.`,
  InvalidEscapeSequence: "Bad character escape sequence.",
  InvalidEscapeSequenceTemplate: "Invalid escape sequence in template.",
  InvalidEscapedReservedWord: ({
    reservedWord
  }) => `Escape sequence in keyword ${reservedWord}.`,
  InvalidIdentifier: ({
    identifierName
  }) => `Invalid identifier ${identifierName}.`,
  InvalidLhs: ({
    ancestor
  }) => `Invalid left-hand side in ${toNodeDescription(ancestor)}.`,
  InvalidLhsBinding: ({
    ancestor
  }) => `Binding invalid left-hand side in ${toNodeDescription(ancestor)}.`,
  InvalidLhsOptionalChaining: ({
    ancestor
  }) => `Invalid optional chaining in the left-hand side of ${toNodeDescription(ancestor)}.`,
  InvalidNumber: "Invalid number.",
  InvalidOrMissingExponent: "Floating-point numbers require a valid exponent after the 'e'.",
  InvalidOrUnexpectedToken: ({
    unexpected
  }) => `Unexpected character '${unexpected}'.`,
  InvalidParenthesizedAssignment: "Invalid parenthesized assignment pattern.",
  InvalidPrivateFieldResolution: ({
    identifierName
  }) => `Private name #${identifierName} is not defined.`,
  InvalidPropertyBindingPattern: "Binding member expression.",
  InvalidRecordProperty: "Only properties and spread elements are allowed in record definitions.",
  InvalidRestAssignmentPattern: "Invalid rest operator's argument.",
  LabelRedeclaration: ({
    labelName
  }) => `Label '${labelName}' is already declared.`,
  LetInLexicalBinding: "'let' is disallowed as a lexically bound name.",
  LineTerminatorBeforeArrow: "No line break is allowed before '=>'.",
  MalformedRegExpFlags: "Invalid regular expression flag.",
  MissingClassName: "A class name is required.",
  MissingEqInAssignment: "Only '=' operator can be used for specifying default value.",
  MissingSemicolon: "Missing semicolon.",
  MissingPlugin: ({
    missingPlugin
  }) => `This experimental syntax requires enabling the parser plugin: ${missingPlugin.map(name => JSON.stringify(name)).join(", ")}.`,
  MissingOneOfPlugins: ({
    missingPlugin
  }) => `This experimental syntax requires enabling one of the following parser plugin(s): ${missingPlugin.map(name => JSON.stringify(name)).join(", ")}.`,
  MissingUnicodeEscape: "Expecting Unicode escape sequence \\uXXXX.",
  MixingCoalesceWithLogical: "Nullish coalescing operator(??) requires parens when mixing with logical operators.",
  ModuleAttributeDifferentFromType: "The only accepted module attribute is `type`.",
  ModuleAttributeInvalidValue: "Only string literals are allowed as module attribute values.",
  ModuleAttributesWithDuplicateKeys: ({
    key
  }) => `Duplicate key "${key}" is not allowed in module attributes.`,
  ModuleExportNameHasLoneSurrogate: ({
    surrogateCharCode
  }) => `An export name cannot include a lone surrogate, found '\\u${surrogateCharCode.toString(16)}'.`,
  ModuleExportUndefined: ({
    localName
  }) => `Export '${localName}' is not defined.`,
  MultipleDefaultsInSwitch: "Multiple default clauses.",
  NewlineAfterThrow: "Illegal newline after throw.",
  NoCatchOrFinally: "Missing catch or finally clause.",
  NumberIdentifier: "Identifier directly after number.",
  NumericSeparatorInEscapeSequence: "Numeric separators are not allowed inside unicode escape sequences or hex escape sequences.",
  ObsoleteAwaitStar: "'await*' has been removed from the async functions proposal. Use Promise.all() instead.",
  OptionalChainingNoNew: "Constructors in/after an Optional Chain are not allowed.",
  OptionalChainingNoTemplate: "Tagged Template Literals are not allowed in optionalChain.",
  OverrideOnConstructor: "'override' modifier cannot appear on a constructor declaration.",
  ParamDupe: "Argument name clash.",
  PatternHasAccessor: "Object pattern can't contain getter or setter.",
  PatternHasMethod: "Object pattern can't contain methods.",
  PrivateInExpectedIn: ({
    identifierName
  }) => `Private names are only allowed in property accesses (\`obj.#${identifierName}\`) or in \`in\` expressions (\`#${identifierName} in obj\`).`,
  PrivateNameRedeclaration: ({
    identifierName
  }) => `Duplicate private name #${identifierName}.`,
  RecordExpressionBarIncorrectEndSyntaxType: "Record expressions ending with '|}' are only allowed when the 'syntaxType' option of the 'recordAndTuple' plugin is set to 'bar'.",
  RecordExpressionBarIncorrectStartSyntaxType: "Record expressions starting with '{|' are only allowed when the 'syntaxType' option of the 'recordAndTuple' plugin is set to 'bar'.",
  RecordExpressionHashIncorrectStartSyntaxType: "Record expressions starting with '#{' are only allowed when the 'syntaxType' option of the 'recordAndTuple' plugin is set to 'hash'.",
  RecordNoProto: "'__proto__' is not allowed in Record expressions.",
  RestTrailingComma: "Unexpected trailing comma after rest element.",
  SloppyFunction: "In non-strict mode code, functions can only be declared at top level or inside a block.",
  SloppyFunctionAnnexB: "In non-strict mode code, functions can only be declared at top level, inside a block, or as the body of an if statement.",
  SourcePhaseImportRequiresDefault: 'Only `import source x from "./module"` is valid.',
  StaticPrototype: "Classes may not have static property named prototype.",
  SuperNotAllowed: "`super()` is only valid inside a class constructor of a subclass. Maybe a typo in the method name ('constructor') or not extending another class?",
  SuperPrivateField: "Private fields can't be accessed on super.",
  TrailingDecorator: "Decorators must be attached to a class element.",
  TupleExpressionBarIncorrectEndSyntaxType: "Tuple expressions ending with '|]' are only allowed when the 'syntaxType' option of the 'recordAndTuple' plugin is set to 'bar'.",
  TupleExpressionBarIncorrectStartSyntaxType: "Tuple expressions starting with '[|' are only allowed when the 'syntaxType' option of the 'recordAndTuple' plugin is set to 'bar'.",
  TupleExpressionHashIncorrectStartSyntaxType: "Tuple expressions starting with '#[' are only allowed when the 'syntaxType' option of the 'recordAndTuple' plugin is set to 'hash'.",
  UnexpectedArgumentPlaceholder: "Unexpected argument placeholder.",
  UnexpectedAwaitAfterPipelineBody: 'Unexpected "await" after pipeline body; await must have parentheses in minimal proposal.',
  UnexpectedDigitAfterHash: "Unexpected digit after hash token.",
  UnexpectedImportExport: "'import' and 'export' may only appear at the top level.",
  UnexpectedKeyword: ({
    keyword
  }) => `Unexpected keyword '${keyword}'.`,
  UnexpectedLeadingDecorator: "Leading decorators must be attached to a class declaration.",
  UnexpectedLexicalDeclaration: "Lexical declaration cannot appear in a single-statement context.",
  UnexpectedNewTarget: "`new.target` can only be used in functions or class properties.",
  UnexpectedNumericSeparator: "A numeric separator is only allowed between two digits.",
  UnexpectedPrivateField: "Unexpected private name.",
  UnexpectedReservedWord: ({
    reservedWord
  }) => `Unexpected reserved word '${reservedWord}'.`,
  UnexpectedSuper: "'super' is only allowed in object methods and classes.",
  UnexpectedToken: ({
    expected,
    unexpected
  }) => `Unexpected token${unexpected ? ` '${unexpected}'.` : ""}${expected ? `, expected "${expected}"` : ""}`,
  UnexpectedTokenUnaryExponentiation: "Illegal expression. Wrap left hand side or entire exponentiation in parentheses.",
  UnexpectedUsingDeclaration: "Using declaration cannot appear in the top level when source type is `script`.",
  UnsupportedBind: "Binding should be performed on object property.",
  UnsupportedDecoratorExport: "A decorated export must export a class declaration.",
  UnsupportedDefaultExport: "Only expressions, functions or classes are allowed as the `default` export.",
  UnsupportedImport: "`import` can only be used in `import()` or `import.meta`.",
  UnsupportedMetaProperty: ({
    target,
    onlyValidPropertyName
  }) => `The only valid meta property for ${target} is ${target}.${onlyValidPropertyName}.`,
  UnsupportedParameterDecorator: "Decorators cannot be used to decorate parameters.",
  UnsupportedPropertyDecorator: "Decorators cannot be used to decorate object literal properties.",
  UnsupportedSuper: "'super' can only be used with function calls (i.e. super()) or in property accesses (i.e. super.prop or super[prop]).",
  UnterminatedComment: "Unterminated comment.",
  UnterminatedRegExp: "Unterminated regular expression.",
  UnterminatedString: "Unterminated string constant.",
  UnterminatedTemplate: "Unterminated template.",
  UsingDeclarationExport: "Using declaration cannot be exported.",
  UsingDeclarationHasBindingPattern: "Using declaration cannot have destructuring patterns.",
  VarRedeclaration: ({
    identifierName
  }) => `Identifier '${identifierName}' has already been declared.`,
  YieldBindingIdentifier: "Can not use 'yield' as identifier inside a generator.",
  YieldInParameter: "Yield expression is not allowed in formal parameters.",
  ZeroDigitNumericSeparator: "Numeric separator can not be used after leading 0."
};
var StrictModeErrors = {
  StrictDelete: "Deleting local variable in strict mode.",
  StrictEvalArguments: ({
    referenceName
  }) => `Assigning to '${referenceName}' in strict mode.`,
  StrictEvalArgumentsBinding: ({
    bindingName
  }) => `Binding '${bindingName}' in strict mode.`,
  StrictFunction: "In strict mode code, functions can only be declared at top level or inside a block.",
  StrictNumericEscape: "The only valid numeric escape in strict mode is '\\0'.",
  StrictOctalLiteral: "Legacy octal literals are not allowed in strict mode.",
  StrictWith: "'with' in strict mode."
};
const UnparenthesizedPipeBodyDescriptions = new Set(["ArrowFunctionExpression", "AssignmentExpression", "ConditionalExpression", "YieldExpression"]);
var PipelineOperatorErrors = {
  PipeBodyIsTighter: "Unexpected yield after pipeline body; any yield expression acting as Hack-style pipe body must be parenthesized due to its loose operator precedence.",
  PipeTopicRequiresHackPipes: 'Topic reference is used, but the pipelineOperator plugin was not passed a "proposal": "hack" or "smart" option.',
  PipeTopicUnbound: "Topic reference is unbound; it must be inside a pipe body.",
  PipeTopicUnconfiguredToken: ({
    token
  }) => `Invalid topic token ${token}. In order to use ${token} as a topic reference, the pipelineOperator plugin must be configured with { "proposal": "hack", "topicToken": "${token}" }.`,
  PipeTopicUnused: "Hack-style pipe body does not contain a topic reference; Hack-style pipes must use topic at least once.",
  PipeUnparenthesizedBody: ({
    type
  }) => `Hack-style pipe body cannot be an unparenthesized ${toNodeDescription({
    type
  })}; please wrap it in parentheses.`,
  PipelineBodyNoArrow: 'Unexpected arrow "=>" after pipeline body; arrow function in pipeline body must be parenthesized.',
  PipelineBodySequenceExpression: "Pipeline body may not be a comma-separated sequence expression.",
  PipelineHeadSequenceExpression: "Pipeline head should not be a comma-separated sequence expression.",
  PipelineTopicUnused: "Pipeline is in topic style but does not use topic reference.",
  PrimaryTopicNotAllowed: "Topic reference was used in a lexical context without topic binding.",
  PrimaryTopicRequiresSmartPipeline: 'Topic reference is used, but the pipelineOperator plugin was not passed a "proposal": "hack" or "smart" option.'
};
const _excluded = ["message"];
function defineHidden(obj, key, value) {
  Object.defineProperty(obj, key, {
    enumerable: false,
    configurable: true,
    value
  });
}
function toParseErrorConstructor({
  toMessage,
  code,
  reasonCode,
  syntaxPlugin
}) {
  const hasMissingPlugin = reasonCode === "MissingPlugin" || reasonCode === "MissingOneOfPlugins";
  {
    const oldReasonCodes = {
      AccessorCannotDeclareThisParameter: "AccesorCannotDeclareThisParameter",
      AccessorCannotHaveTypeParameters: "AccesorCannotHaveTypeParameters",
      ConstInitializerMustBeStringOrNumericLiteralOrLiteralEnumReference: "ConstInitiailizerMustBeStringOrNumericLiteralOrLiteralEnumReference",
      SetAccessorCannotHaveOptionalParameter: "SetAccesorCannotHaveOptionalParameter",
      SetAccessorCannotHaveRestParameter: "SetAccesorCannotHaveRestParameter",
      SetAccessorCannotHaveReturnType: "SetAccesorCannotHaveReturnType"
    };
    if (oldReasonCodes[reasonCode]) {
      reasonCode = oldReasonCodes[reasonCode];
    }
  }
  return function constructor(loc, details) {
    const error = new SyntaxError();
    error.code = code;
    error.reasonCode = reasonCode;
    error.loc = loc;
    error.pos = loc.index;
    error.syntaxPlugin = syntaxPlugin;
    if (hasMissingPlugin) {
      error.missingPlugin = details.missingPlugin;
    }
    defineHidden(error, "clone", function clone(overrides = {}) {
      var _overrides$loc;
      const {
        line,
        column,
        index
      } = (_overrides$loc = overrides.loc) != null ? _overrides$loc : loc;
      return constructor(new Position(line, column, index), Object.assign({}, details, overrides.details));
    });
    defineHidden(error, "details", details);
    Object.defineProperty(error, "message", {
      configurable: true,
      get() {
        const message = `${toMessage(details)} (${loc.line}:${loc.column})`;
        this.message = message;
        return message;
      },
      set(value) {
        Object.defineProperty(this, "message", {
          value,
          writable: true
        });
      }
    });
    return error;
  };
}
function ParseErrorEnum(argument, syntaxPlugin) {
  if (Array.isArray(argument)) {
    return parseErrorTemplates => ParseErrorEnum(parseErrorTemplates, argument[0]);
  }
  const ParseErrorConstructors = {};
  for (const reasonCode of Object.keys(argument)) {
    const template = argument[reasonCode];
    const _ref = typeof template === "string" ? {
        message: () => template
      } : typeof template === "function" ? {
        message: template
      } : template,
      {
        message
      } = _ref,
      rest = _objectWithoutPropertiesLoose(_ref, _excluded);
    const toMessage = typeof message === "string" ? () => message : message;
    ParseErrorConstructors[reasonCode] = toParseErrorConstructor(Object.assign({
      code: "BABEL_PARSER_SYNTAX_ERROR",
      reasonCode,
      toMessage
    }, syntaxPlugin ? {
      syntaxPlugin
    } : {}, rest));
  }
  return ParseErrorConstructors;
}
const Errors = Object.assign({}, ParseErrorEnum(ModuleErrors), ParseErrorEnum(StandardErrors), ParseErrorEnum(StrictModeErrors), ParseErrorEnum`pipelineOperator`(PipelineOperatorErrors));
const {
  defineProperty
} = Object;
const toUnenumerable = (object, key) => {
  if (object) {
    defineProperty(object, key, {
      enumerable: false,
      value: object[key]
    });
  }
};
function toESTreeLocation(node) {
  toUnenumerable(node.loc.start, "index");
  toUnenumerable(node.loc.end, "index");
  return node;
}
var estree = superClass => class ESTreeParserMixin extends superClass {
  parse() {
    const file = toESTreeLocation(super.parse());
    if (this.options.tokens) {
      file.tokens = file.tokens.map(toESTreeLocation);
    }
    return file;
  }
  parseRegExpLiteral({
    pattern,
    flags
  }) {
    let regex = null;
    try {
      regex = new RegExp(pattern, flags);
    } catch (_) {}
    const node = this.estreeParseLiteral(regex);
    node.regex = {
      pattern,
      flags
    };
    return node;
  }
  parseBigIntLiteral(value) {
    let bigInt;
    try {
      bigInt = BigInt(value);
    } catch (_unused) {
      bigInt = null;
    }
    const node = this.estreeParseLiteral(bigInt);
    node.bigint = String(node.value || value);
    return node;
  }
  parseDecimalLiteral(value) {
    const decimal = null;
    const node = this.estreeParseLiteral(decimal);
    node.decimal = String(node.value || value);
    return node;
  }
  estreeParseLiteral(value) {
    return this.parseLiteral(value, "Literal");
  }
  parseStringLiteral(value) {
    return this.estreeParseLiteral(value);
  }
  parseNumericLiteral(value) {
    return this.estreeParseLiteral(value);
  }
  parseNullLiteral() {
    return this.estreeParseLiteral(null);
  }
  parseBooleanLiteral(value) {
    return this.estreeParseLiteral(value);
  }
  directiveToStmt(directive) {
    const expression = directive.value;
    delete directive.value;
    expression.type = "Literal";
    expression.raw = expression.extra.raw;
    expression.value = expression.extra.expressionValue;
    const stmt = directive;
    stmt.type = "ExpressionStatement";
    stmt.expression = expression;
    stmt.directive = expression.extra.rawValue;
    delete expression.extra;
    return stmt;
  }
  initFunction(node, isAsync) {
    super.initFunction(node, isAsync);
    node.expression = false;
  }
  checkDeclaration(node) {
    if (node != null && this.isObjectProperty(node)) {
      this.checkDeclaration(node.value);
    } else {
      super.checkDeclaration(node);
    }
  }
  getObjectOrClassMethodParams(method) {
    return method.value.params;
  }
  isValidDirective(stmt) {
    var _stmt$expression$extr;
    return stmt.type === "ExpressionStatement" && stmt.expression.type === "Literal" && typeof stmt.expression.value === "string" && !((_stmt$expression$extr = stmt.expression.extra) != null && _stmt$expression$extr.parenthesized);
  }
  parseBlockBody(node, allowDirectives, topLevel, end, afterBlockParse) {
    super.parseBlockBody(node, allowDirectives, topLevel, end, afterBlockParse);
    const directiveStatements = node.directives.map(d => this.directiveToStmt(d));
    node.body = directiveStatements.concat(node.body);
    delete node.directives;
  }
  pushClassMethod(classBody, method, isGenerator, isAsync, isConstructor, allowsDirectSuper) {
    this.parseMethod(method, isGenerator, isAsync, isConstructor, allowsDirectSuper, "ClassMethod", true);
    if (method.typeParameters) {
      method.value.typeParameters = method.typeParameters;
      delete method.typeParameters;
    }
    classBody.body.push(method);
  }
  parsePrivateName() {
    const node = super.parsePrivateName();
    {
      if (!this.getPluginOption("estree", "classFeatures")) {
        return node;
      }
    }
    return this.convertPrivateNameToPrivateIdentifier(node);
  }
  convertPrivateNameToPrivateIdentifier(node) {
    const name = super.getPrivateNameSV(node);
    node = node;
    delete node.id;
    node.name = name;
    node.type = "PrivateIdentifier";
    return node;
  }
  isPrivateName(node) {
    {
      if (!this.getPluginOption("estree", "classFeatures")) {
        return super.isPrivateName(node);
      }
    }
    return node.type === "PrivateIdentifier";
  }
  getPrivateNameSV(node) {
    {
      if (!this.getPluginOption("estree", "classFeatures")) {
        return super.getPrivateNameSV(node);
      }
    }
    return node.name;
  }
  parseLiteral(value, type) {
    const node = super.parseLiteral(value, type);
    node.raw = node.extra.raw;
    delete node.extra;
    return node;
  }
  parseFunctionBody(node, allowExpression, isMethod = false) {
    super.parseFunctionBody(node, allowExpression, isMethod);
    node.expression = node.body.type !== "BlockStatement";
  }
  parseMethod(node, isGenerator, isAsync, isConstructor, allowDirectSuper, type, inClassScope = false) {
    let funcNode = this.startNode();
    funcNode.kind = node.kind;
    funcNode = super.parseMethod(funcNode, isGenerator, isAsync, isConstructor, allowDirectSuper, type, inClassScope);
    funcNode.type = "FunctionExpression";
    delete funcNode.kind;
    node.value = funcNode;
    if (type === "ClassPrivateMethod") {
      node.computed = false;
    }
    return this.finishNode(node, "MethodDefinition");
  }
  nameIsConstructor(key) {
    if (key.type === "Literal") return key.value === "constructor";
    return super.nameIsConstructor(key);
  }
  parseClassProperty(...args) {
    const propertyNode = super.parseClassProperty(...args);
    {
      if (!this.getPluginOption("estree", "classFeatures")) {
        return propertyNode;
      }
    }
    propertyNode.type = "PropertyDefinition";
    return propertyNode;
  }
  parseClassPrivateProperty(...args) {
    const propertyNode = super.parseClassPrivateProperty(...args);
    {
      if (!this.getPluginOption("estree", "classFeatures")) {
        return propertyNode;
      }
    }
    propertyNode.type = "PropertyDefinition";
    propertyNode.computed = false;
    return propertyNode;
  }
  parseObjectMethod(prop, isGenerator, isAsync, isPattern, isAccessor) {
    const node = super.parseObjectMethod(prop, isGenerator, isAsync, isPattern, isAccessor);
    if (node) {
      node.type = "Property";
      if (node.kind === "method") {
        node.kind = "init";
      }
      node.shorthand = false;
    }
    return node;
  }
  parseObjectProperty(prop, startLoc, isPattern, refExpressionErrors) {
    const node = super.parseObjectProperty(prop, startLoc, isPattern, refExpressionErrors);
    if (node) {
      node.kind = "init";
      node.type = "Property";
    }
    return node;
  }
  isValidLVal(type, isUnparenthesizedInAssign, binding) {
    return type === "Property" ? "value" : super.isValidLVal(type, isUnparenthesizedInAssign, binding);
  }
  isAssignable(node, isBinding) {
    if (node != null && this.isObjectProperty(node)) {
      return this.isAssignable(node.value, isBinding);
    }
    return super.isAssignable(node, isBinding);
  }
  toAssignable(node, isLHS = false) {
    if (node != null && this.isObjectProperty(node)) {
      const {
        key,
        value
      } = node;
      if (this.isPrivateName(key)) {
        this.classScope.usePrivateName(this.getPrivateNameSV(key), key.loc.start);
      }
      this.toAssignable(value, isLHS);
    } else {
      super.toAssignable(node, isLHS);
    }
  }
  toAssignableObjectExpressionProp(prop, isLast, isLHS) {
    if (prop.type === "Property" && (prop.kind === "get" || prop.kind === "set")) {
      this.raise(Errors.PatternHasAccessor, prop.key);
    } else if (prop.type === "Property" && prop.method) {
      this.raise(Errors.PatternHasMethod, prop.key);
    } else {
      super.toAssignableObjectExpressionProp(prop, isLast, isLHS);
    }
  }
  finishCallExpression(unfinished, optional) {
    const node = super.finishCallExpression(unfinished, optional);
    if (node.callee.type === "Import") {
      var _ref, _ref2;
      node.type = "ImportExpression";
      node.source = node.arguments[0];
      node.options = (_ref = node.arguments[1]) != null ? _ref : null;
      node.attributes = (_ref2 = node.arguments[1]) != null ? _ref2 : null;
      delete node.arguments;
      delete node.callee;
    }
    return node;
  }
  toReferencedArguments(node) {
    if (node.type === "ImportExpression") {
      return;
    }
    super.toReferencedArguments(node);
  }
  parseExport(unfinished, decorators) {
    const exportStartLoc = this.state.lastTokStartLoc;
    const node = super.parseExport(unfinished, decorators);
    switch (node.type) {
      case "ExportAllDeclaration":
        node.exported = null;
        break;
      case "ExportNamedDeclaration":
        if (node.specifiers.length === 1 && node.specifiers[0].type === "ExportNamespaceSpecifier") {
          node.type = "ExportAllDeclaration";
          node.exported = node.specifiers[0].exported;
          delete node.specifiers;
        }
      case "ExportDefaultDeclaration":
        {
          var _declaration$decorato;
          const {
            declaration
          } = node;
          if ((declaration == null ? void 0 : declaration.type) === "ClassDeclaration" && ((_declaration$decorato = declaration.decorators) == null ? void 0 : _declaration$decorato.length) > 0 && declaration.start === node.start) {
            this.resetStartLocation(node, exportStartLoc);
          }
        }
        break;
    }
    return node;
  }
  parseSubscript(base, startLoc, noCalls, state) {
    const node = super.parseSubscript(base, startLoc, noCalls, state);
    if (state.optionalChainMember) {
      if (node.type === "OptionalMemberExpression" || node.type === "OptionalCallExpression") {
        node.type = node.type.substring(8);
      }
      if (state.stop) {
        const chain = this.startNodeAtNode(node);
        chain.expression = node;
        return this.finishNode(chain, "ChainExpression");
      }
    } else if (node.type === "MemberExpression" || node.type === "CallExpression") {
      node.optional = false;
    }
    return node;
  }
  isOptionalMemberExpression(node) {
    if (node.type === "ChainExpression") {
      return node.expression.type === "MemberExpression";
    }
    return super.isOptionalMemberExpression(node);
  }
  hasPropertyAsPrivateName(node) {
    if (node.type === "ChainExpression") {
      node = node.expression;
    }
    return super.hasPropertyAsPrivateName(node);
  }
  isObjectProperty(node) {
    return node.type === "Property" && node.kind === "init" && !node.method;
  }
  isObjectMethod(node) {
    return node.type === "Property" && (node.method || node.kind === "get" || node.kind === "set");
  }
  finishNodeAt(node, type, endLoc) {
    return toESTreeLocation(super.finishNodeAt(node, type, endLoc));
  }
  resetStartLocation(node, startLoc) {
    super.resetStartLocation(node, startLoc);
    toESTreeLocation(node);
  }
  resetEndLocation(node, endLoc = this.state.lastTokEndLoc) {
    super.resetEndLocation(node, endLoc);
    toESTreeLocation(node);
  }
};
class TokContext {
  constructor(token, preserveSpace) {
    this.token = void 0;
    this.preserveSpace = void 0;
    this.token = token;
    this.preserveSpace = !!preserveSpace;
  }
}
const types = {
  brace: new TokContext("{"),
  j_oTag: new TokContext("<tag"),
  j_cTag: new TokContext("</tag"),
  j_expr: new TokContext("<tag>...</tag>", true)
};
{
  types.template = new TokContext("`", true);
}
const beforeExpr = true;
const startsExpr = true;
const isLoop = true;
const isAssign = true;
const prefix = true;
const postfix = true;
class ExportedTokenType {
  constructor(label, conf = {}) {
    this.label = void 0;
    this.keyword = void 0;
    this.beforeExpr = void 0;
    this.startsExpr = void 0;
    this.rightAssociative = void 0;
    this.isLoop = void 0;
    this.isAssign = void 0;
    this.prefix = void 0;
    this.postfix = void 0;
    this.binop = void 0;
    this.label = label;
    this.keyword = conf.keyword;
    this.beforeExpr = !!conf.beforeExpr;
    this.startsExpr = !!conf.startsExpr;
    this.rightAssociative = !!conf.rightAssociative;
    this.isLoop = !!conf.isLoop;
    this.isAssign = !!conf.isAssign;
    this.prefix = !!conf.prefix;
    this.postfix = !!conf.postfix;
    this.binop = conf.binop != null ? conf.binop : null;
    {
      this.updateContext = null;
    }
  }
}
const keywords$1 = new Map();
function createKeyword(name, options = {}) {
  options.keyword = name;
  const token = createToken(name, options);
  keywords$1.set(name, token);
  return token;
}
function createBinop(name, binop) {
  return createToken(name, {
    beforeExpr,
    binop
  });
}
let tokenTypeCounter = -1;
const tokenTypes = [];
const tokenLabels = [];
const tokenBinops = [];
const tokenBeforeExprs = [];
const tokenStartsExprs = [];
const tokenPrefixes = [];
function createToken(name, options = {}) {
  var _options$binop, _options$beforeExpr, _options$startsExpr, _options$prefix;
  ++tokenTypeCounter;
  tokenLabels.push(name);
  tokenBinops.push((_options$binop = options.binop) != null ? _options$binop : -1);
  tokenBeforeExprs.push((_options$beforeExpr = options.beforeExpr) != null ? _options$beforeExpr : false);
  tokenStartsExprs.push((_options$startsExpr = options.startsExpr) != null ? _options$startsExpr : false);
  tokenPrefixes.push((_options$prefix = options.prefix) != null ? _options$prefix : false);
  tokenTypes.push(new ExportedTokenType(name, options));
  return tokenTypeCounter;
}
function createKeywordLike(name, options = {}) {
  var _options$binop2, _options$beforeExpr2, _options$startsExpr2, _options$prefix2;
  ++tokenTypeCounter;
  keywords$1.set(name, tokenTypeCounter);
  tokenLabels.push(name);
  tokenBinops.push((_options$binop2 = options.binop) != null ? _options$binop2 : -1);
  tokenBeforeExprs.push((_options$beforeExpr2 = options.beforeExpr) != null ? _options$beforeExpr2 : false);
  tokenStartsExprs.push((_options$startsExpr2 = options.startsExpr) != null ? _options$startsExpr2 : false);
  tokenPrefixes.push((_options$prefix2 = options.prefix) != null ? _options$prefix2 : false);
  tokenTypes.push(new ExportedTokenType("name", options));
  return tokenTypeCounter;
}
const tt = {
  bracketL: createToken("[", {
    beforeExpr,
    startsExpr
  }),
  bracketHashL: createToken("#[", {
    beforeExpr,
    startsExpr
  }),
  bracketBarL: createToken("[|", {
    beforeExpr,
    startsExpr
  }),
  bracketR: createToken("]"),
  bracketBarR: createToken("|]"),
  braceL: createToken("{", {
    beforeExpr,
    startsExpr
  }),
  braceBarL: createToken("{|", {
    beforeExpr,
    startsExpr
  }),
  braceHashL: createToken("#{", {
    beforeExpr,
    startsExpr
  }),
  braceR: createToken("}"),
  braceBarR: createToken("|}"),
  parenL: createToken("(", {
    beforeExpr,
    startsExpr
  }),
  parenR: createToken(")"),
  comma: createToken(",", {
    beforeExpr
  }),
  semi: createToken(";", {
    beforeExpr
  }),
  colon: createToken(":", {
    beforeExpr
  }),
  doubleColon: createToken("::", {
    beforeExpr
  }),
  dot: createToken("."),
  question: createToken("?", {
    beforeExpr
  }),
  questionDot: createToken("?."),
  arrow: createToken("=>", {
    beforeExpr
  }),
  template: createToken("template"),
  ellipsis: createToken("...", {
    beforeExpr
  }),
  backQuote: createToken("`", {
    startsExpr
  }),
  dollarBraceL: createToken("${", {
    beforeExpr,
    startsExpr
  }),
  templateTail: createToken("...`", {
    startsExpr
  }),
  templateNonTail: createToken("...${", {
    beforeExpr,
    startsExpr
  }),
  at: createToken("@"),
  hash: createToken("#", {
    startsExpr
  }),
  interpreterDirective: createToken("#!..."),
  eq: createToken("=", {
    beforeExpr,
    isAssign
  }),
  assign: createToken("_=", {
    beforeExpr,
    isAssign
  }),
  slashAssign: createToken("_=", {
    beforeExpr,
    isAssign
  }),
  xorAssign: createToken("_=", {
    beforeExpr,
    isAssign
  }),
  moduloAssign: createToken("_=", {
    beforeExpr,
    isAssign
  }),
  incDec: createToken("++/--", {
    prefix,
    postfix,
    startsExpr
  }),
  bang: createToken("!", {
    beforeExpr,
    prefix,
    startsExpr
  }),
  tilde: createToken("~", {
    beforeExpr,
    prefix,
    startsExpr
  }),
  doubleCaret: createToken("^^", {
    startsExpr
  }),
  doubleAt: createToken("@@", {
    startsExpr
  }),
  pipeline: createBinop("|>", 0),
  nullishCoalescing: createBinop("??", 1),
  logicalOR: createBinop("||", 1),
  logicalAND: createBinop("&&", 2),
  bitwiseOR: createBinop("|", 3),
  bitwiseXOR: createBinop("^", 4),
  bitwiseAND: createBinop("&", 5),
  equality: createBinop("==/!=/===/!==", 6),
  lt: createBinop("</>/<=/>=", 7),
  gt: createBinop("</>/<=/>=", 7),
  relational: createBinop("</>/<=/>=", 7),
  bitShift: createBinop("<</>>/>>>", 8),
  bitShiftL: createBinop("<</>>/>>>", 8),
  bitShiftR: createBinop("<</>>/>>>", 8),
  plusMin: createToken("+/-", {
    beforeExpr,
    binop: 9,
    prefix,
    startsExpr
  }),
  modulo: createToken("%", {
    binop: 10,
    startsExpr
  }),
  star: createToken("*", {
    binop: 10
  }),
  slash: createBinop("/", 10),
  exponent: createToken("**", {
    beforeExpr,
    binop: 11,
    rightAssociative: true
  }),
  _in: createKeyword("in", {
    beforeExpr,
    binop: 7
  }),
  _instanceof: createKeyword("instanceof", {
    beforeExpr,
    binop: 7
  }),
  _break: createKeyword("break"),
  _case: createKeyword("case", {
    beforeExpr
  }),
  _catch: createKeyword("catch"),
  _continue: createKeyword("continue"),
  _debugger: createKeyword("debugger"),
  _default: createKeyword("default", {
    beforeExpr
  }),
  _else: createKeyword("else", {
    beforeExpr
  }),
  _finally: createKeyword("finally"),
  _function: createKeyword("function", {
    startsExpr
  }),
  _if: createKeyword("if"),
  _return: createKeyword("return", {
    beforeExpr
  }),
  _switch: createKeyword("switch"),
  _throw: createKeyword("throw", {
    beforeExpr,
    prefix,
    startsExpr
  }),
  _try: createKeyword("try"),
  _var: createKeyword("var"),
  _const: createKeyword("const"),
  _with: createKeyword("with"),
  _new: createKeyword("new", {
    beforeExpr,
    startsExpr
  }),
  _this: createKeyword("this", {
    startsExpr
  }),
  _super: createKeyword("super", {
    startsExpr
  }),
  _class: createKeyword("class", {
    startsExpr
  }),
  _extends: createKeyword("extends", {
    beforeExpr
  }),
  _export: createKeyword("export"),
  _import: createKeyword("import", {
    startsExpr
  }),
  _null: createKeyword("null", {
    startsExpr
  }),
  _true: createKeyword("true", {
    startsExpr
  }),
  _false: createKeyword("false", {
    startsExpr
  }),
  _typeof: createKeyword("typeof", {
    beforeExpr,
    prefix,
    startsExpr
  }),
  _void: createKeyword("void", {
    beforeExpr,
    prefix,
    startsExpr
  }),
  _delete: createKeyword("delete", {
    beforeExpr,
    prefix,
    startsExpr
  }),
  _do: createKeyword("do", {
    isLoop,
    beforeExpr
  }),
  _for: createKeyword("for", {
    isLoop
  }),
  _while: createKeyword("while", {
    isLoop
  }),
  _as: createKeywordLike("as", {
    startsExpr
  }),
  _assert: createKeywordLike("assert", {
    startsExpr
  }),
  _async: createKeywordLike("async", {
    startsExpr
  }),
  _await: createKeywordLike("await", {
    startsExpr
  }),
  _defer: createKeywordLike("defer", {
    startsExpr
  }),
  _from: createKeywordLike("from", {
    startsExpr
  }),
  _get: createKeywordLike("get", {
    startsExpr
  }),
  _let: createKeywordLike("let", {
    startsExpr
  }),
  _meta: createKeywordLike("meta", {
    startsExpr
  }),
  _of: createKeywordLike("of", {
    startsExpr
  }),
  _sent: createKeywordLike("sent", {
    startsExpr
  }),
  _set: createKeywordLike("set", {
    startsExpr
  }),
  _source: createKeywordLike("source", {
    startsExpr
  }),
  _static: createKeywordLike("static", {
    startsExpr
  }),
  _using: createKeywordLike("using", {
    startsExpr
  }),
  _yield: createKeywordLike("yield", {
    startsExpr
  }),
  _asserts: createKeywordLike("asserts", {
    startsExpr
  }),
  _checks: createKeywordLike("checks", {
    startsExpr
  }),
  _exports: createKeywordLike("exports", {
    startsExpr
  }),
  _global: createKeywordLike("global", {
    startsExpr
  }),
  _implements: createKeywordLike("implements", {
    startsExpr
  }),
  _intrinsic: createKeywordLike("intrinsic", {
    startsExpr
  }),
  _infer: createKeywordLike("infer", {
    startsExpr
  }),
  _is: createKeywordLike("is", {
    startsExpr
  }),
  _mixins: createKeywordLike("mixins", {
    startsExpr
  }),
  _proto: createKeywordLike("proto", {
    startsExpr
  }),
  _require: createKeywordLike("require", {
    startsExpr
  }),
  _satisfies: createKeywordLike("satisfies", {
    startsExpr
  }),
  _keyof: createKeywordLike("keyof", {
    startsExpr
  }),
  _readonly: createKeywordLike("readonly", {
    startsExpr
  }),
  _unique: createKeywordLike("unique", {
    startsExpr
  }),
  _abstract: createKeywordLike("abstract", {
    startsExpr
  }),
  _declare: createKeywordLike("declare", {
    startsExpr
  }),
  _enum: createKeywordLike("enum", {
    startsExpr
  }),
  _module: createKeywordLike("module", {
    startsExpr
  }),
  _namespace: createKeywordLike("namespace", {
    startsExpr
  }),
  _interface: createKeywordLike("interface", {
    startsExpr
  }),
  _type: createKeywordLike("type", {
    startsExpr
  }),
  _opaque: createKeywordLike("opaque", {
    startsExpr
  }),
  name: createToken("name", {
    startsExpr
  }),
  placeholder: createToken("%%", {
    startsExpr: true
  }),
  string: createToken("string", {
    startsExpr
  }),
  num: createToken("num", {
    startsExpr
  }),
  bigint: createToken("bigint", {
    startsExpr
  }),
  decimal: createToken("decimal", {
    startsExpr
  }),
  regexp: createToken("regexp", {
    startsExpr
  }),
  privateName: createToken("#name", {
    startsExpr
  }),
  eof: createToken("eof"),
  jsxName: createToken("jsxName"),
  jsxText: createToken("jsxText", {
    beforeExpr: true
  }),
  jsxTagStart: createToken("jsxTagStart", {
    startsExpr: true
  }),
  jsxTagEnd: createToken("jsxTagEnd")
};
function tokenIsIdentifier(token) {
  return token >= 93 && token <= 133;
}
function tokenKeywordOrIdentifierIsKeyword(token) {
  return token <= 92;
}
function tokenIsKeywordOrIdentifier(token) {
  return token >= 58 && token <= 133;
}
function tokenIsLiteralPropertyName(token) {
  return token >= 58 && token <= 137;
}
function tokenComesBeforeExpression(token) {
  return tokenBeforeExprs[token];
}
function tokenCanStartExpression(token) {
  return tokenStartsExprs[token];
}
function tokenIsAssignment(token) {
  return token >= 29 && token <= 33;
}
function tokenIsFlowInterfaceOrTypeOrOpaque(token) {
  return token >= 129 && token <= 131;
}
function tokenIsLoop(token) {
  return token >= 90 && token <= 92;
}
function tokenIsKeyword(token) {
  return token >= 58 && token <= 92;
}
function tokenIsOperator(token) {
  return token >= 39 && token <= 59;
}
function tokenIsPostfix(token) {
  return token === 34;
}
function tokenIsPrefix(token) {
  return tokenPrefixes[token];
}
function tokenIsTSTypeOperator(token) {
  return token >= 121 && token <= 123;
}
function tokenIsTSDeclarationStart(token) {
  return token >= 124 && token <= 130;
}
function tokenLabelName(token) {
  return tokenLabels[token];
}
function tokenOperatorPrecedence(token) {
  return tokenBinops[token];
}
function tokenIsRightAssociative(token) {
  return token === 57;
}
function tokenIsTemplate(token) {
  return token >= 24 && token <= 25;
}
function getExportedToken(token) {
  return tokenTypes[token];
}
{
  tokenTypes[8].updateContext = context => {
    context.pop();
  };
  tokenTypes[5].updateContext = tokenTypes[7].updateContext = tokenTypes[23].updateContext = context => {
    context.push(types.brace);
  };
  tokenTypes[22].updateContext = context => {
    if (context[context.length - 1] === types.template) {
      context.pop();
    } else {
      context.push(types.template);
    }
  };
  tokenTypes[143].updateContext = context => {
    context.push(types.j_expr, types.j_oTag);
  };
}
let nonASCIIidentifierStartChars = "\xaa\xb5\xba\xc0-\xd6\xd8-\xf6\xf8-\u02c1\u02c6-\u02d1\u02e0-\u02e4\u02ec\u02ee\u0370-\u0374\u0376\u0377\u037a-\u037d\u037f\u0386\u0388-\u038a\u038c\u038e-\u03a1\u03a3-\u03f5\u03f7-\u0481\u048a-\u052f\u0531-\u0556\u0559\u0560-\u0588\u05d0-\u05ea\u05ef-\u05f2\u0620-\u064a\u066e\u066f\u0671-\u06d3\u06d5\u06e5\u06e6\u06ee\u06ef\u06fa-\u06fc\u06ff\u0710\u0712-\u072f\u074d-\u07a5\u07b1\u07ca-\u07ea\u07f4\u07f5\u07fa\u0800-\u0815\u081a\u0824\u0828\u0840-\u0858\u0860-\u086a\u0870-\u0887\u0889-\u088e\u08a0-\u08c9\u0904-\u0939\u093d\u0950\u0958-\u0961\u0971-\u0980\u0985-\u098c\u098f\u0990\u0993-\u09a8\u09aa-\u09b0\u09b2\u09b6-\u09b9\u09bd\u09ce\u09dc\u09dd\u09df-\u09e1\u09f0\u09f1\u09fc\u0a05-\u0a0a\u0a0f\u0a10\u0a13-\u0a28\u0a2a-\u0a30\u0a32\u0a33\u0a35\u0a36\u0a38\u0a39\u0a59-\u0a5c\u0a5e\u0a72-\u0a74\u0a85-\u0a8d\u0a8f-\u0a91\u0a93-\u0aa8\u0aaa-\u0ab0\u0ab2\u0ab3\u0ab5-\u0ab9\u0abd\u0ad0\u0ae0\u0ae1\u0af9\u0b05-\u0b0c\u0b0f\u0b10\u0b13-\u0b28\u0b2a-\u0b30\u0b32\u0b33\u0b35-\u0b39\u0b3d\u0b5c\u0b5d\u0b5f-\u0b61\u0b71\u0b83\u0b85-\u0b8a\u0b8e-\u0b90\u0b92-\u0b95\u0b99\u0b9a\u0b9c\u0b9e\u0b9f\u0ba3\u0ba4\u0ba8-\u0baa\u0bae-\u0bb9\u0bd0\u0c05-\u0c0c\u0c0e-\u0c10\u0c12-\u0c28\u0c2a-\u0c39\u0c3d\u0c58-\u0c5a\u0c5d\u0c60\u0c61\u0c80\u0c85-\u0c8c\u0c8e-\u0c90\u0c92-\u0ca8\u0caa-\u0cb3\u0cb5-\u0cb9\u0cbd\u0cdd\u0cde\u0ce0\u0ce1\u0cf1\u0cf2\u0d04-\u0d0c\u0d0e-\u0d10\u0d12-\u0d3a\u0d3d\u0d4e\u0d54-\u0d56\u0d5f-\u0d61\u0d7a-\u0d7f\u0d85-\u0d96\u0d9a-\u0db1\u0db3-\u0dbb\u0dbd\u0dc0-\u0dc6\u0e01-\u0e30\u0e32\u0e33\u0e40-\u0e46\u0e81\u0e82\u0e84\u0e86-\u0e8a\u0e8c-\u0ea3\u0ea5\u0ea7-\u0eb0\u0eb2\u0eb3\u0ebd\u0ec0-\u0ec4\u0ec6\u0edc-\u0edf\u0f00\u0f40-\u0f47\u0f49-\u0f6c\u0f88-\u0f8c\u1000-\u102a\u103f\u1050-\u1055\u105a-\u105d\u1061\u1065\u1066\u106e-\u1070\u1075-\u1081\u108e\u10a0-\u10c5\u10c7\u10cd\u10d0-\u10fa\u10fc-\u1248\u124a-\u124d\u1250-\u1256\u1258\u125a-\u125d\u1260-\u1288\u128a-\u128d\u1290-\u12b0\u12b2-\u12b5\u12b8-\u12be\u12c0\u12c2-\u12c5\u12c8-\u12d6\u12d8-\u1310\u1312-\u1315\u1318-\u135a\u1380-\u138f\u13a0-\u13f5\u13f8-\u13fd\u1401-\u166c\u166f-\u167f\u1681-\u169a\u16a0-\u16ea\u16ee-\u16f8\u1700-\u1711\u171f-\u1731\u1740-\u1751\u1760-\u176c\u176e-\u1770\u1780-\u17b3\u17d7\u17dc\u1820-\u1878\u1880-\u18a8\u18aa\u18b0-\u18f5\u1900-\u191e\u1950-\u196d\u1970-\u1974\u1980-\u19ab\u19b0-\u19c9\u1a00-\u1a16\u1a20-\u1a54\u1aa7\u1b05-\u1b33\u1b45-\u1b4c\u1b83-\u1ba0\u1bae\u1baf\u1bba-\u1be5\u1c00-\u1c23\u1c4d-\u1c4f\u1c5a-\u1c7d\u1c80-\u1c8a\u1c90-\u1cba\u1cbd-\u1cbf\u1ce9-\u1cec\u1cee-\u1cf3\u1cf5\u1cf6\u1cfa\u1d00-\u1dbf\u1e00-\u1f15\u1f18-\u1f1d\u1f20-\u1f45\u1f48-\u1f4d\u1f50-\u1f57\u1f59\u1f5b\u1f5d\u1f5f-\u1f7d\u1f80-\u1fb4\u1fb6-\u1fbc\u1fbe\u1fc2-\u1fc4\u1fc6-\u1fcc\u1fd0-\u1fd3\u1fd6-\u1fdb\u1fe0-\u1fec\u1ff2-\u1ff4\u1ff6-\u1ffc\u2071\u207f\u2090-\u209c\u2102\u2107\u210a-\u2113\u2115\u2118-\u211d\u2124\u2126\u2128\u212a-\u2139\u213c-\u213f\u2145-\u2149\u214e\u2160-\u2188\u2c00-\u2ce4\u2ceb-\u2cee\u2cf2\u2cf3\u2d00-\u2d25\u2d27\u2d2d\u2d30-\u2d67\u2d6f\u2d80-\u2d96\u2da0-\u2da6\u2da8-\u2dae\u2db0-\u2db6\u2db8-\u2dbe\u2dc0-\u2dc6\u2dc8-\u2dce\u2dd0-\u2dd6\u2dd8-\u2dde\u3005-\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303c\u3041-\u3096\u309b-\u309f\u30a1-\u30fa\u30fc-\u30ff\u3105-\u312f\u3131-\u318e\u31a0-\u31bf\u31f0-\u31ff\u3400-\u4dbf\u4e00-\ua48c\ua4d0-\ua4fd\ua500-\ua60c\ua610-\ua61f\ua62a\ua62b\ua640-\ua66e\ua67f-\ua69d\ua6a0-\ua6ef\ua717-\ua71f\ua722-\ua788\ua78b-\ua7cd\ua7d0\ua7d1\ua7d3\ua7d5-\ua7dc\ua7f2-\ua801\ua803-\ua805\ua807-\ua80a\ua80c-\ua822\ua840-\ua873\ua882-\ua8b3\ua8f2-\ua8f7\ua8fb\ua8fd\ua8fe\ua90a-\ua925\ua930-\ua946\ua960-\ua97c\ua984-\ua9b2\ua9cf\ua9e0-\ua9e4\ua9e6-\ua9ef\ua9fa-\ua9fe\uaa00-\uaa28\uaa40-\uaa42\uaa44-\uaa4b\uaa60-\uaa76\uaa7a\uaa7e-\uaaaf\uaab1\uaab5\uaab6\uaab9-\uaabd\uaac0\uaac2\uaadb-\uaadd\uaae0-\uaaea\uaaf2-\uaaf4\uab01-\uab06\uab09-\uab0e\uab11-\uab16\uab20-\uab26\uab28-\uab2e\uab30-\uab5a\uab5c-\uab69\uab70-\uabe2\uac00-\ud7a3\ud7b0-\ud7c6\ud7cb-\ud7fb\uf900-\ufa6d\ufa70-\ufad9\ufb00-\ufb06\ufb13-\ufb17\ufb1d\ufb1f-\ufb28\ufb2a-\ufb36\ufb38-\ufb3c\ufb3e\ufb40\ufb41\ufb43\ufb44\ufb46-\ufbb1\ufbd3-\ufd3d\ufd50-\ufd8f\ufd92-\ufdc7\ufdf0-\ufdfb\ufe70-\ufe74\ufe76-\ufefc\uff21-\uff3a\uff41-\uff5a\uff66-\uffbe\uffc2-\uffc7\uffca-\uffcf\uffd2-\uffd7\uffda-\uffdc";
let nonASCIIidentifierChars = "\xb7\u0300-\u036f\u0387\u0483-\u0487\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u0669\u0670\u06d6-\u06dc\u06df-\u06e4\u06e7\u06e8\u06ea-\u06ed\u06f0-\u06f9\u0711\u0730-\u074a\u07a6-\u07b0\u07c0-\u07c9\u07eb-\u07f3\u07fd\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0859-\u085b\u0897-\u089f\u08ca-\u08e1\u08e3-\u0903\u093a-\u093c\u093e-\u094f\u0951-\u0957\u0962\u0963\u0966-\u096f\u0981-\u0983\u09bc\u09be-\u09c4\u09c7\u09c8\u09cb-\u09cd\u09d7\u09e2\u09e3\u09e6-\u09ef\u09fe\u0a01-\u0a03\u0a3c\u0a3e-\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a66-\u0a71\u0a75\u0a81-\u0a83\u0abc\u0abe-\u0ac5\u0ac7-\u0ac9\u0acb-\u0acd\u0ae2\u0ae3\u0ae6-\u0aef\u0afa-\u0aff\u0b01-\u0b03\u0b3c\u0b3e-\u0b44\u0b47\u0b48\u0b4b-\u0b4d\u0b55-\u0b57\u0b62\u0b63\u0b66-\u0b6f\u0b82\u0bbe-\u0bc2\u0bc6-\u0bc8\u0bca-\u0bcd\u0bd7\u0be6-\u0bef\u0c00-\u0c04\u0c3c\u0c3e-\u0c44\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0c66-\u0c6f\u0c81-\u0c83\u0cbc\u0cbe-\u0cc4\u0cc6-\u0cc8\u0cca-\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0ce6-\u0cef\u0cf3\u0d00-\u0d03\u0d3b\u0d3c\u0d3e-\u0d44\u0d46-\u0d48\u0d4a-\u0d4d\u0d57\u0d62\u0d63\u0d66-\u0d6f\u0d81-\u0d83\u0dca\u0dcf-\u0dd4\u0dd6\u0dd8-\u0ddf\u0de6-\u0def\u0df2\u0df3\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0e50-\u0e59\u0eb1\u0eb4-\u0ebc\u0ec8-\u0ece\u0ed0-\u0ed9\u0f18\u0f19\u0f20-\u0f29\u0f35\u0f37\u0f39\u0f3e\u0f3f\u0f71-\u0f84\u0f86\u0f87\u0f8d-\u0f97\u0f99-\u0fbc\u0fc6\u102b-\u103e\u1040-\u1049\u1056-\u1059\u105e-\u1060\u1062-\u1064\u1067-\u106d\u1071-\u1074\u1082-\u108d\u108f-\u109d\u135d-\u135f\u1369-\u1371\u1712-\u1715\u1732-\u1734\u1752\u1753\u1772\u1773\u17b4-\u17d3\u17dd\u17e0-\u17e9\u180b-\u180d\u180f-\u1819\u18a9\u1920-\u192b\u1930-\u193b\u1946-\u194f\u19d0-\u19da\u1a17-\u1a1b\u1a55-\u1a5e\u1a60-\u1a7c\u1a7f-\u1a89\u1a90-\u1a99\u1ab0-\u1abd\u1abf-\u1ace\u1b00-\u1b04\u1b34-\u1b44\u1b50-\u1b59\u1b6b-\u1b73\u1b80-\u1b82\u1ba1-\u1bad\u1bb0-\u1bb9\u1be6-\u1bf3\u1c24-\u1c37\u1c40-\u1c49\u1c50-\u1c59\u1cd0-\u1cd2\u1cd4-\u1ce8\u1ced\u1cf4\u1cf7-\u1cf9\u1dc0-\u1dff\u200c\u200d\u203f\u2040\u2054\u20d0-\u20dc\u20e1\u20e5-\u20f0\u2cef-\u2cf1\u2d7f\u2de0-\u2dff\u302a-\u302f\u3099\u309a\u30fb\ua620-\ua629\ua66f\ua674-\ua67d\ua69e\ua69f\ua6f0\ua6f1\ua802\ua806\ua80b\ua823-\ua827\ua82c\ua880\ua881\ua8b4-\ua8c5\ua8d0-\ua8d9\ua8e0-\ua8f1\ua8ff-\ua909\ua926-\ua92d\ua947-\ua953\ua980-\ua983\ua9b3-\ua9c0\ua9d0-\ua9d9\ua9e5\ua9f0-\ua9f9\uaa29-\uaa36\uaa43\uaa4c\uaa4d\uaa50-\uaa59\uaa7b-\uaa7d\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uaaeb-\uaaef\uaaf5\uaaf6\uabe3-\uabea\uabec\uabed\uabf0-\uabf9\ufb1e\ufe00-\ufe0f\ufe20-\ufe2f\ufe33\ufe34\ufe4d-\ufe4f\uff10-\uff19\uff3f\uff65";
const nonASCIIidentifierStart = new RegExp("[" + nonASCIIidentifierStartChars + "]");
const nonASCIIidentifier = new RegExp("[" + nonASCIIidentifierStartChars + nonASCIIidentifierChars + "]");
nonASCIIidentifierStartChars = nonASCIIidentifierChars = null;
const astralIdentifierStartCodes = [0, 11, 2, 25, 2, 18, 2, 1, 2, 14, 3, 13, 35, 122, 70, 52, 268, 28, 4, 48, 48, 31, 14, 29, 6, 37, 11, 29, 3, 35, 5, 7, 2, 4, 43, 157, 19, 35, 5, 35, 5, 39, 9, 51, 13, 10, 2, 14, 2, 6, 2, 1, 2, 10, 2, 14, 2, 6, 2, 1, 4, 51, 13, 310, 10, 21, 11, 7, 25, 5, 2, 41, 2, 8, 70, 5, 3, 0, 2, 43, 2, 1, 4, 0, 3, 22, 11, 22, 10, 30, 66, 18, 2, 1, 11, 21, 11, 25, 71, 55, 7, 1, 65, 0, 16, 3, 2, 2, 2, 28, 43, 28, 4, 28, 36, 7, 2, 27, 28, 53, 11, 21, 11, 18, 14, 17, 111, 72, 56, 50, 14, 50, 14, 35, 39, 27, 10, 22, 251, 41, 7, 1, 17, 2, 60, 28, 11, 0, 9, 21, 43, 17, 47, 20, 28, 22, 13, 52, 58, 1, 3, 0, 14, 44, 33, 24, 27, 35, 30, 0, 3, 0, 9, 34, 4, 0, 13, 47, 15, 3, 22, 0, 2, 0, 36, 17, 2, 24, 20, 1, 64, 6, 2, 0, 2, 3, 2, 14, 2, 9, 8, 46, 39, 7, 3, 1, 3, 21, 2, 6, 2, 1, 2, 4, 4, 0, 19, 0, 13, 4, 31, 9, 2, 0, 3, 0, 2, 37, 2, 0, 26, 0, 2, 0, 45, 52, 19, 3, 21, 2, 31, 47, 21, 1, 2, 0, 185, 46, 42, 3, 37, 47, 21, 0, 60, 42, 14, 0, 72, 26, 38, 6, 186, 43, 117, 63, 32, 7, 3, 0, 3, 7, 2, 1, 2, 23, 16, 0, 2, 0, 95, 7, 3, 38, 17, 0, 2, 0, 29, 0, 11, 39, 8, 0, 22, 0, 12, 45, 20, 0, 19, 72, 200, 32, 32, 8, 2, 36, 18, 0, 50, 29, 113, 6, 2, 1, 2, 37, 22, 0, 26, 5, 2, 1, 2, 31, 15, 0, 328, 18, 16, 0, 2, 12, 2, 33, 125, 0, 80, 921, 103, 110, 18, 195, 2637, 96, 16, 1071, 18, 5, 26, 3994, 6, 582, 6842, 29, 1763, 568, 8, 30, 18, 78, 18, 29, 19, 47, 17, 3, 32, 20, 6, 18, 433, 44, 212, 63, 129, 74, 6, 0, 67, 12, 65, 1, 2, 0, 29, 6135, 9, 1237, 42, 9, 8936, 3, 2, 6, 2, 1, 2, 290, 16, 0, 30, 2, 3, 0, 15, 3, 9, 395, 2309, 106, 6, 12, 4, 8, 8, 9, 5991, 84, 2, 70, 2, 1, 3, 0, 3, 1, 3, 3, 2, 11, 2, 0, 2, 6, 2, 64, 2, 3, 3, 7, 2, 6, 2, 27, 2, 3, 2, 4, 2, 0, 4, 6, 2, 339, 3, 24, 2, 24, 2, 30, 2, 24, 2, 30, 2, 24, 2, 30, 2, 24, 2, 30, 2, 24, 2, 7, 1845, 30, 7, 5, 262, 61, 147, 44, 11, 6, 17, 0, 322, 29, 19, 43, 485, 27, 229, 29, 3, 0, 496, 6, 2, 3, 2, 1, 2, 14, 2, 196, 60, 67, 8, 0, 1205, 3, 2, 26, 2, 1, 2, 0, 3, 0, 2, 9, 2, 3, 2, 0, 2, 0, 7, 0, 5, 0, 2, 0, 2, 0, 2, 2, 2, 1, 2, 0, 3, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 1, 2, 0, 3, 3, 2, 6, 2, 3, 2, 3, 2, 0, 2, 9, 2, 16, 6, 2, 2, 4, 2, 16, 4421, 42719, 33, 4153, 7, 221, 3, 5761, 15, 7472, 16, 621, 2467, 541, 1507, 4938, 6, 4191];
const astralIdentifierCodes = [509, 0, 227, 0, 150, 4, 294, 9, 1368, 2, 2, 1, 6, 3, 41, 2, 5, 0, 166, 1, 574, 3, 9, 9, 7, 9, 32, 4, 318, 1, 80, 3, 71, 10, 50, 3, 123, 2, 54, 14, 32, 10, 3, 1, 11, 3, 46, 10, 8, 0, 46, 9, 7, 2, 37, 13, 2, 9, 6, 1, 45, 0, 13, 2, 49, 13, 9, 3, 2, 11, 83, 11, 7, 0, 3, 0, 158, 11, 6, 9, 7, 3, 56, 1, 2, 6, 3, 1, 3, 2, 10, 0, 11, 1, 3, 6, 4, 4, 68, 8, 2, 0, 3, 0, 2, 3, 2, 4, 2, 0, 15, 1, 83, 17, 10, 9, 5, 0, 82, 19, 13, 9, 214, 6, 3, 8, 28, 1, 83, 16, 16, 9, 82, 12, 9, 9, 7, 19, 58, 14, 5, 9, 243, 14, 166, 9, 71, 5, 2, 1, 3, 3, 2, 0, 2, 1, 13, 9, 120, 6, 3, 6, 4, 0, 29, 9, 41, 6, 2, 3, 9, 0, 10, 10, 47, 15, 343, 9, 54, 7, 2, 7, 17, 9, 57, 21, 2, 13, 123, 5, 4, 0, 2, 1, 2, 6, 2, 0, 9, 9, 49, 4, 2, 1, 2, 4, 9, 9, 330, 3, 10, 1, 2, 0, 49, 6, 4, 4, 14, 10, 5350, 0, 7, 14, 11465, 27, 2343, 9, 87, 9, 39, 4, 60, 6, 26, 9, 535, 9, 470, 0, 2, 54, 8, 3, 82, 0, 12, 1, 19628, 1, 4178, 9, 519, 45, 3, 22, 543, 4, 4, 5, 9, 7, 3, 6, 31, 3, 149, 2, 1418, 49, 513, 54, 5, 49, 9, 0, 15, 0, 23, 4, 2, 14, 1361, 6, 2, 16, 3, 6, 2, 1, 2, 4, 101, 0, 161, 6, 10, 9, 357, 0, 62, 13, 499, 13, 245, 1, 2, 9, 726, 6, 110, 6, 6, 9, 4759, 9, 787719, 239];
function isInAstralSet(code, set) {
  let pos = 0x10000;
  for (let i = 0, length = set.length; i < length; i += 2) {
    pos += set[i];
    if (pos > code) return false;
    pos += set[i + 1];
    if (pos >= code) return true;
  }
  return false;
}
function isIdentifierStart(code) {
  if (code < 65) return code === 36;
  if (code <= 90) return true;
  if (code < 97) return code === 95;
  if (code <= 122) return true;
  if (code <= 0xffff) {
    return code >= 0xaa && nonASCIIidentifierStart.test(String.fromCharCode(code));
  }
  return isInAstralSet(code, astralIdentifierStartCodes);
}
function isIdentifierChar(code) {
  if (code < 48) return code === 36;
  if (code < 58) return true;
  if (code < 65) return false;
  if (code <= 90) return true;
  if (code < 97) return code === 95;
  if (code <= 122) return true;
  if (code <= 0xffff) {
    return code >= 0xaa && nonASCIIidentifier.test(String.fromCharCode(code));
  }
  return isInAstralSet(code, astralIdentifierStartCodes) || isInAstralSet(code, astralIdentifierCodes);
}
const reservedWords = {
  keyword: ["break", "case", "catch", "continue", "debugger", "default", "do", "else", "finally", "for", "function", "if", "return", "switch", "throw", "try", "var", "const", "while", "with", "new", "this", "super", "class", "extends", "export", "import", "null", "true", "false", "in", "instanceof", "typeof", "void", "delete"],
  strict: ["implements", "interface", "let", "package", "private", "protected", "public", "static", "yield"],
  strictBind: ["eval", "arguments"]
};
const keywords = new Set(reservedWords.keyword);
const reservedWordsStrictSet = new Set(reservedWords.strict);
const reservedWordsStrictBindSet = new Set(reservedWords.strictBind);
function isReservedWord(word, inModule) {
  return inModule && word === "await" || word === "enum";
}
function isStrictReservedWord(word, inModule) {
  return isReservedWord(word, inModule) || reservedWordsStrictSet.has(word);
}
function isStrictBindOnlyReservedWord(word) {
  return reservedWordsStrictBindSet.has(word);
}
function isStrictBindReservedWord(word, inModule) {
  return isStrictReservedWord(word, inModule) || isStrictBindOnlyReservedWord(word);
}
function isKeyword(word) {
  return keywords.has(word);
}
function isIteratorStart(current, next, next2) {
  return current === 64 && next === 64 && isIdentifierStart(next2);
}
const reservedWordLikeSet = new Set(["break", "case", "catch", "continue", "debugger", "default", "do", "else", "finally", "for", "function", "if", "return", "switch", "throw", "try", "var", "const", "while", "with", "new", "this", "super", "class", "extends", "export", "import", "null", "true", "false", "in", "instanceof", "typeof", "void", "delete", "implements", "interface", "let", "package", "private", "protected", "public", "static", "yield", "eval", "arguments", "enum", "await"]);
function canBeReservedWord(word) {
  return reservedWordLikeSet.has(word);
}
class Scope {
  constructor(flags) {
    this.flags = 0;
    this.names = new Map();
    this.firstLexicalName = "";
    this.flags = flags;
  }
}
class ScopeHandler {
  constructor(parser, inModule) {
    this.parser = void 0;
    this.scopeStack = [];
    this.inModule = void 0;
    this.undefinedExports = new Map();
    this.parser = parser;
    this.inModule = inModule;
  }
  get inTopLevel() {
    return (this.currentScope().flags & 1) > 0;
  }
  get inFunction() {
    return (this.currentVarScopeFlags() & 2) > 0;
  }
  get allowSuper() {
    return (this.currentThisScopeFlags() & 16) > 0;
  }
  get allowDirectSuper() {
    return (this.currentThisScopeFlags() & 32) > 0;
  }
  get inClass() {
    return (this.currentThisScopeFlags() & 64) > 0;
  }
  get inClassAndNotInNonArrowFunction() {
    const flags = this.currentThisScopeFlags();
    return (flags & 64) > 0 && (flags & 2) === 0;
  }
  get inStaticBlock() {
    for (let i = this.scopeStack.length - 1;; i--) {
      const {
        flags
      } = this.scopeStack[i];
      if (flags & 128) {
        return true;
      }
      if (flags & (387 | 64)) {
        return false;
      }
    }
  }
  get inNonArrowFunction() {
    return (this.currentThisScopeFlags() & 2) > 0;
  }
  get treatFunctionsAsVar() {
    return this.treatFunctionsAsVarInScope(this.currentScope());
  }
  createScope(flags) {
    return new Scope(flags);
  }
  enter(flags) {
    this.scopeStack.push(this.createScope(flags));
  }
  exit() {
    const scope = this.scopeStack.pop();
    return scope.flags;
  }
  treatFunctionsAsVarInScope(scope) {
    return !!(scope.flags & (2 | 128) || !this.parser.inModule && scope.flags & 1);
  }
  declareName(name, bindingType, loc) {
    let scope = this.currentScope();
    if (bindingType & 8 || bindingType & 16) {
      this.checkRedeclarationInScope(scope, name, bindingType, loc);
      let type = scope.names.get(name) || 0;
      if (bindingType & 16) {
        type = type | 4;
      } else {
        if (!scope.firstLexicalName) {
          scope.firstLexicalName = name;
        }
        type = type | 2;
      }
      scope.names.set(name, type);
      if (bindingType & 8) {
        this.maybeExportDefined(scope, name);
      }
    } else if (bindingType & 4) {
      for (let i = this.scopeStack.length - 1; i >= 0; --i) {
        scope = this.scopeStack[i];
        this.checkRedeclarationInScope(scope, name, bindingType, loc);
        scope.names.set(name, (scope.names.get(name) || 0) | 1);
        this.maybeExportDefined(scope, name);
        if (scope.flags & 387) break;
      }
    }
    if (this.parser.inModule && scope.flags & 1) {
      this.undefinedExports.delete(name);
    }
  }
  maybeExportDefined(scope, name) {
    if (this.parser.inModule && scope.flags & 1) {
      this.undefinedExports.delete(name);
    }
  }
  checkRedeclarationInScope(scope, name, bindingType, loc) {
    if (this.isRedeclaredInScope(scope, name, bindingType)) {
      this.parser.raise(Errors.VarRedeclaration, loc, {
        identifierName: name
      });
    }
  }
  isRedeclaredInScope(scope, name, bindingType) {
    if (!(bindingType & 1)) return false;
    if (bindingType & 8) {
      return scope.names.has(name);
    }
    const type = scope.names.get(name);
    if (bindingType & 16) {
      return (type & 2) > 0 || !this.treatFunctionsAsVarInScope(scope) && (type & 1) > 0;
    }
    return (type & 2) > 0 && !(scope.flags & 8 && scope.firstLexicalName === name) || !this.treatFunctionsAsVarInScope(scope) && (type & 4) > 0;
  }
  checkLocalExport(id) {
    const {
      name
    } = id;
    const topLevelScope = this.scopeStack[0];
    if (!topLevelScope.names.has(name)) {
      this.undefinedExports.set(name, id.loc.start);
    }
  }
  currentScope() {
    return this.scopeStack[this.scopeStack.length - 1];
  }
  currentVarScopeFlags() {
    for (let i = this.scopeStack.length - 1;; i--) {
      const {
        flags
      } = this.scopeStack[i];
      if (flags & 387) {
        return flags;
      }
    }
  }
  currentThisScopeFlags() {
    for (let i = this.scopeStack.length - 1;; i--) {
      const {
        flags
      } = this.scopeStack[i];
      if (flags & (387 | 64) && !(flags & 4)) {
        return flags;
      }
    }
  }
}
class FlowScope extends Scope {
  constructor(...args) {
    super(...args);
    this.declareFunctions = new Set();
  }
}
class FlowScopeHandler extends ScopeHandler {
  createScope(flags) {
    return new FlowScope(flags);
  }
  declareName(name, bindingType, loc) {
    const scope = this.currentScope();
    if (bindingType & 2048) {
      this.checkRedeclarationInScope(scope, name, bindingType, loc);
      this.maybeExportDefined(scope, name);
      scope.declareFunctions.add(name);
      return;
    }
    super.declareName(name, bindingType, loc);
  }
  isRedeclaredInScope(scope, name, bindingType) {
    if (super.isRedeclaredInScope(scope, name, bindingType)) return true;
    if (bindingType & 2048 && !scope.declareFunctions.has(name)) {
      const type = scope.names.get(name);
      return (type & 4) > 0 || (type & 2) > 0;
    }
    return false;
  }
  checkLocalExport(id) {
    if (!this.scopeStack[0].declareFunctions.has(id.name)) {
      super.checkLocalExport(id);
    }
  }
}
class BaseParser {
  constructor() {
    this.sawUnambiguousESM = false;
    this.ambiguousScriptDifferentAst = false;
  }
  sourceToOffsetPos(sourcePos) {
    return sourcePos + this.startIndex;
  }
  offsetToSourcePos(offsetPos) {
    return offsetPos - this.startIndex;
  }
  hasPlugin(pluginConfig) {
    if (typeof pluginConfig === "string") {
      return this.plugins.has(pluginConfig);
    } else {
      const [pluginName, pluginOptions] = pluginConfig;
      if (!this.hasPlugin(pluginName)) {
        return false;
      }
      const actualOptions = this.plugins.get(pluginName);
      for (const key of Object.keys(pluginOptions)) {
        if ((actualOptions == null ? void 0 : actualOptions[key]) !== pluginOptions[key]) {
          return false;
        }
      }
      return true;
    }
  }
  getPluginOption(plugin, name) {
    var _this$plugins$get;
    return (_this$plugins$get = this.plugins.get(plugin)) == null ? void 0 : _this$plugins$get[name];
  }
}
function setTrailingComments(node, comments) {
  if (node.trailingComments === undefined) {
    node.trailingComments = comments;
  } else {
    node.trailingComments.unshift(...comments);
  }
}
function setLeadingComments(node, comments) {
  if (node.leadingComments === undefined) {
    node.leadingComments = comments;
  } else {
    node.leadingComments.unshift(...comments);
  }
}
function setInnerComments(node, comments) {
  if (node.innerComments === undefined) {
    node.innerComments = comments;
  } else {
    node.innerComments.unshift(...comments);
  }
}
function adjustInnerComments(node, elements, commentWS) {
  let lastElement = null;
  let i = elements.length;
  while (lastElement === null && i > 0) {
    lastElement = elements[--i];
  }
  if (lastElement === null || lastElement.start > commentWS.start) {
    setInnerComments(node, commentWS.comments);
  } else {
    setTrailingComments(lastElement, commentWS.comments);
  }
}
class CommentsParser extends BaseParser {
  addComment(comment) {
    if (this.filename) comment.loc.filename = this.filename;
    const {
      commentsLen
    } = this.state;
    if (this.comments.length !== commentsLen) {
      this.comments.length = commentsLen;
    }
    this.comments.push(comment);
    this.state.commentsLen++;
  }
  processComment(node) {
    const {
      commentStack
    } = this.state;
    const commentStackLength = commentStack.length;
    if (commentStackLength === 0) return;
    let i = commentStackLength - 1;
    const lastCommentWS = commentStack[i];
    if (lastCommentWS.start === node.end) {
      lastCommentWS.leadingNode = node;
      i--;
    }
    const {
      start: nodeStart
    } = node;
    for (; i >= 0; i--) {
      const commentWS = commentStack[i];
      const commentEnd = commentWS.end;
      if (commentEnd > nodeStart) {
        commentWS.containingNode = node;
        this.finalizeComment(commentWS);
        commentStack.splice(i, 1);
      } else {
        if (commentEnd === nodeStart) {
          commentWS.trailingNode = node;
        }
        break;
      }
    }
  }
  finalizeComment(commentWS) {
    const {
      comments
    } = commentWS;
    if (commentWS.leadingNode !== null || commentWS.trailingNode !== null) {
      if (commentWS.leadingNode !== null) {
        setTrailingComments(commentWS.leadingNode, comments);
      }
      if (commentWS.trailingNode !== null) {
        setLeadingComments(commentWS.trailingNode, comments);
      }
    } else {
      const {
        containingNode: node,
        start: commentStart
      } = commentWS;
      if (this.input.charCodeAt(this.offsetToSourcePos(commentStart) - 1) === 44) {
        switch (node.type) {
          case "ObjectExpression":
          case "ObjectPattern":
          case "RecordExpression":
            adjustInnerComments(node, node.properties, commentWS);
            break;
          case "CallExpression":
          case "OptionalCallExpression":
            adjustInnerComments(node, node.arguments, commentWS);
            break;
          case "FunctionDeclaration":
          case "FunctionExpression":
          case "ArrowFunctionExpression":
          case "ObjectMethod":
          case "ClassMethod":
          case "ClassPrivateMethod":
            adjustInnerComments(node, node.params, commentWS);
            break;
          case "ArrayExpression":
          case "ArrayPattern":
          case "TupleExpression":
            adjustInnerComments(node, node.elements, commentWS);
            break;
          case "ExportNamedDeclaration":
          case "ImportDeclaration":
            adjustInnerComments(node, node.specifiers, commentWS);
            break;
          default:
            {
              setInnerComments(node, comments);
            }
        }
      } else {
        setInnerComments(node, comments);
      }
    }
  }
  finalizeRemainingComments() {
    const {
      commentStack
    } = this.state;
    for (let i = commentStack.length - 1; i >= 0; i--) {
      this.finalizeComment(commentStack[i]);
    }
    this.state.commentStack = [];
  }
  resetPreviousNodeTrailingComments(node) {
    const {
      commentStack
    } = this.state;
    const {
      length
    } = commentStack;
    if (length === 0) return;
    const commentWS = commentStack[length - 1];
    if (commentWS.leadingNode === node) {
      commentWS.leadingNode = null;
    }
  }
  resetPreviousIdentifierLeadingComments(node) {
    const {
      commentStack
    } = this.state;
    const {
      length
    } = commentStack;
    if (length === 0) return;
    if (commentStack[length - 1].trailingNode === node) {
      commentStack[length - 1].trailingNode = null;
    } else if (length >= 2 && commentStack[length - 2].trailingNode === node) {
      commentStack[length - 2].trailingNode = null;
    }
  }
  takeSurroundingComments(node, start, end) {
    const {
      commentStack
    } = this.state;
    const commentStackLength = commentStack.length;
    if (commentStackLength === 0) return;
    let i = commentStackLength - 1;
    for (; i >= 0; i--) {
      const commentWS = commentStack[i];
      const commentEnd = commentWS.end;
      const commentStart = commentWS.start;
      if (commentStart === end) {
        commentWS.leadingNode = node;
      } else if (commentEnd === start) {
        commentWS.trailingNode = node;
      } else if (commentEnd < start) {
        break;
      }
    }
  }
}
const lineBreak = /\r\n|[\r\n\u2028\u2029]/;
const lineBreakG = new RegExp(lineBreak.source, "g");
function isNewLine(code) {
  switch (code) {
    case 10:
    case 13:
    case 8232:
    case 8233:
      return true;
    default:
      return false;
  }
}
function hasNewLine(input, start, end) {
  for (let i = start; i < end; i++) {
    if (isNewLine(input.charCodeAt(i))) {
      return true;
    }
  }
  return false;
}
const skipWhiteSpace = /(?:\s|\/\/.*|\/\*[^]*?\*\/)*/g;
const skipWhiteSpaceInLine = /(?:[^\S\n\r\u2028\u2029]|\/\/.*|\/\*.*?\*\/)*/g;
function isWhitespace(code) {
  switch (code) {
    case 0x0009:
    case 0x000b:
    case 0x000c:
    case 32:
    case 160:
    case 5760:
    case 0x2000:
    case 0x2001:
    case 0x2002:
    case 0x2003:
    case 0x2004:
    case 0x2005:
    case 0x2006:
    case 0x2007:
    case 0x2008:
    case 0x2009:
    case 0x200a:
    case 0x202f:
    case 0x205f:
    case 0x3000:
    case 0xfeff:
      return true;
    default:
      return false;
  }
}
class State {
  constructor() {
    this.flags = 1024;
    this.startIndex = void 0;
    this.curLine = void 0;
    this.lineStart = void 0;
    this.startLoc = void 0;
    this.endLoc = void 0;
    this.errors = [];
    this.potentialArrowAt = -1;
    this.noArrowAt = [];
    this.noArrowParamsConversionAt = [];
    this.topicContext = {
      maxNumOfResolvableTopics: 0,
      maxTopicIndex: null
    };
    this.labels = [];
    this.commentsLen = 0;
    this.commentStack = [];
    this.pos = 0;
    this.type = 140;
    this.value = null;
    this.start = 0;
    this.end = 0;
    this.lastTokEndLoc = null;
    this.lastTokStartLoc = null;
    this.context = [types.brace];
    this.firstInvalidTemplateEscapePos = null;
    this.strictErrors = new Map();
    this.tokensLength = 0;
  }
  get strict() {
    return (this.flags & 1) > 0;
  }
  set strict(v) {
    if (v) this.flags |= 1;else this.flags &= -2;
  }
  init({
    strictMode,
    sourceType,
    startIndex,
    startLine,
    startColumn
  }) {
    this.strict = strictMode === false ? false : strictMode === true ? true : sourceType === "module";
    this.startIndex = startIndex;
    this.curLine = startLine;
    this.lineStart = -startColumn;
    this.startLoc = this.endLoc = new Position(startLine, startColumn, startIndex);
  }
  get maybeInArrowParameters() {
    return (this.flags & 2) > 0;
  }
  set maybeInArrowParameters(v) {
    if (v) this.flags |= 2;else this.flags &= -3;
  }
  get inType() {
    return (this.flags & 4) > 0;
  }
  set inType(v) {
    if (v) this.flags |= 4;else this.flags &= -5;
  }
  get noAnonFunctionType() {
    return (this.flags & 8) > 0;
  }
  set noAnonFunctionType(v) {
    if (v) this.flags |= 8;else this.flags &= -9;
  }
  get hasFlowComment() {
    return (this.flags & 16) > 0;
  }
  set hasFlowComment(v) {
    if (v) this.flags |= 16;else this.flags &= -17;
  }
  get isAmbientContext() {
    return (this.flags & 32) > 0;
  }
  set isAmbientContext(v) {
    if (v) this.flags |= 32;else this.flags &= -33;
  }
  get inAbstractClass() {
    return (this.flags & 64) > 0;
  }
  set inAbstractClass(v) {
    if (v) this.flags |= 64;else this.flags &= -65;
  }
  get inDisallowConditionalTypesContext() {
    return (this.flags & 128) > 0;
  }
  set inDisallowConditionalTypesContext(v) {
    if (v) this.flags |= 128;else this.flags &= -129;
  }
  get soloAwait() {
    return (this.flags & 256) > 0;
  }
  set soloAwait(v) {
    if (v) this.flags |= 256;else this.flags &= -257;
  }
  get inFSharpPipelineDirectBody() {
    return (this.flags & 512) > 0;
  }
  set inFSharpPipelineDirectBody(v) {
    if (v) this.flags |= 512;else this.flags &= -513;
  }
  get canStartJSXElement() {
    return (this.flags & 1024) > 0;
  }
  set canStartJSXElement(v) {
    if (v) this.flags |= 1024;else this.flags &= -1025;
  }
  get containsEsc() {
    return (this.flags & 2048) > 0;
  }
  set containsEsc(v) {
    if (v) this.flags |= 2048;else this.flags &= -2049;
  }
  get hasTopLevelAwait() {
    return (this.flags & 4096) > 0;
  }
  set hasTopLevelAwait(v) {
    if (v) this.flags |= 4096;else this.flags &= -4097;
  }
  curPosition() {
    return new Position(this.curLine, this.pos - this.lineStart, this.pos + this.startIndex);
  }
  clone() {
    const state = new State();
    state.flags = this.flags;
    state.startIndex = this.startIndex;
    state.curLine = this.curLine;
    state.lineStart = this.lineStart;
    state.startLoc = this.startLoc;
    state.endLoc = this.endLoc;
    state.errors = this.errors.slice();
    state.potentialArrowAt = this.potentialArrowAt;
    state.noArrowAt = this.noArrowAt.slice();
    state.noArrowParamsConversionAt = this.noArrowParamsConversionAt.slice();
    state.topicContext = this.topicContext;
    state.labels = this.labels.slice();
    state.commentsLen = this.commentsLen;
    state.commentStack = this.commentStack.slice();
    state.pos = this.pos;
    state.type = this.type;
    state.value = this.value;
    state.start = this.start;
    state.end = this.end;
    state.lastTokEndLoc = this.lastTokEndLoc;
    state.lastTokStartLoc = this.lastTokStartLoc;
    state.context = this.context.slice();
    state.firstInvalidTemplateEscapePos = this.firstInvalidTemplateEscapePos;
    state.strictErrors = this.strictErrors;
    state.tokensLength = this.tokensLength;
    return state;
  }
}
var _isDigit = function isDigit(code) {
  return code >= 48 && code <= 57;
};
const forbiddenNumericSeparatorSiblings = {
  decBinOct: new Set([46, 66, 69, 79, 95, 98, 101, 111]),
  hex: new Set([46, 88, 95, 120])
};
const isAllowedNumericSeparatorSibling = {
  bin: ch => ch === 48 || ch === 49,
  oct: ch => ch >= 48 && ch <= 55,
  dec: ch => ch >= 48 && ch <= 57,
  hex: ch => ch >= 48 && ch <= 57 || ch >= 65 && ch <= 70 || ch >= 97 && ch <= 102
};
function readStringContents(type, input, pos, lineStart, curLine, errors) {
  const initialPos = pos;
  const initialLineStart = lineStart;
  const initialCurLine = curLine;
  let out = "";
  let firstInvalidLoc = null;
  let chunkStart = pos;
  const {
    length
  } = input;
  for (;;) {
    if (pos >= length) {
      errors.unterminated(initialPos, initialLineStart, initialCurLine);
      out += input.slice(chunkStart, pos);
      break;
    }
    const ch = input.charCodeAt(pos);
    if (isStringEnd(type, ch, input, pos)) {
      out += input.slice(chunkStart, pos);
      break;
    }
    if (ch === 92) {
      out += input.slice(chunkStart, pos);
      const res = readEscapedChar(input, pos, lineStart, curLine, type === "template", errors);
      if (res.ch === null && !firstInvalidLoc) {
        firstInvalidLoc = {
          pos,
          lineStart,
          curLine
        };
      } else {
        out += res.ch;
      }
      ({
        pos,
        lineStart,
        curLine
      } = res);
      chunkStart = pos;
    } else if (ch === 8232 || ch === 8233) {
      ++pos;
      ++curLine;
      lineStart = pos;
    } else if (ch === 10 || ch === 13) {
      if (type === "template") {
        out += input.slice(chunkStart, pos) + "\n";
        ++pos;
        if (ch === 13 && input.charCodeAt(pos) === 10) {
          ++pos;
        }
        ++curLine;
        chunkStart = lineStart = pos;
      } else {
        errors.unterminated(initialPos, initialLineStart, initialCurLine);
      }
    } else {
      ++pos;
    }
  }
  return {
    pos,
    str: out,
    firstInvalidLoc,
    lineStart,
    curLine,
    containsInvalid: !!firstInvalidLoc
  };
}
function isStringEnd(type, ch, input, pos) {
  if (type === "template") {
    return ch === 96 || ch === 36 && input.charCodeAt(pos + 1) === 123;
  }
  return ch === (type === "double" ? 34 : 39);
}
function readEscapedChar(input, pos, lineStart, curLine, inTemplate, errors) {
  const throwOnInvalid = !inTemplate;
  pos++;
  const res = ch => ({
    pos,
    ch,
    lineStart,
    curLine
  });
  const ch = input.charCodeAt(pos++);
  switch (ch) {
    case 110:
      return res("\n");
    case 114:
      return res("\r");
    case 120:
      {
        let code;
        ({
          code,
          pos
        } = readHexChar(input, pos, lineStart, curLine, 2, false, throwOnInvalid, errors));
        return res(code === null ? null : String.fromCharCode(code));
      }
    case 117:
      {
        let code;
        ({
          code,
          pos
        } = readCodePoint(input, pos, lineStart, curLine, throwOnInvalid, errors));
        return res(code === null ? null : String.fromCodePoint(code));
      }
    case 116:
      return res("\t");
    case 98:
      return res("\b");
    case 118:
      return res("\u000b");
    case 102:
      return res("\f");
    case 13:
      if (input.charCodeAt(pos) === 10) {
        ++pos;
      }
    case 10:
      lineStart = pos;
      ++curLine;
    case 8232:
    case 8233:
      return res("");
    case 56:
    case 57:
      if (inTemplate) {
        return res(null);
      } else {
        errors.strictNumericEscape(pos - 1, lineStart, curLine);
      }
    default:
      if (ch >= 48 && ch <= 55) {
        const startPos = pos - 1;
        const match = /^[0-7]+/.exec(input.slice(startPos, pos + 2));
        let octalStr = match[0];
        let octal = parseInt(octalStr, 8);
        if (octal > 255) {
          octalStr = octalStr.slice(0, -1);
          octal = parseInt(octalStr, 8);
        }
        pos += octalStr.length - 1;
        const next = input.charCodeAt(pos);
        if (octalStr !== "0" || next === 56 || next === 57) {
          if (inTemplate) {
            return res(null);
          } else {
            errors.strictNumericEscape(startPos, lineStart, curLine);
          }
        }
        return res(String.fromCharCode(octal));
      }
      return res(String.fromCharCode(ch));
  }
}
function readHexChar(input, pos, lineStart, curLine, len, forceLen, throwOnInvalid, errors) {
  const initialPos = pos;
  let n;
  ({
    n,
    pos
  } = readInt(input, pos, lineStart, curLine, 16, len, forceLen, false, errors, !throwOnInvalid));
  if (n === null) {
    if (throwOnInvalid) {
      errors.invalidEscapeSequence(initialPos, lineStart, curLine);
    } else {
      pos = initialPos - 1;
    }
  }
  return {
    code: n,
    pos
  };
}
function readInt(input, pos, lineStart, curLine, radix, len, forceLen, allowNumSeparator, errors, bailOnError) {
  const start = pos;
  const forbiddenSiblings = radix === 16 ? forbiddenNumericSeparatorSiblings.hex : forbiddenNumericSeparatorSiblings.decBinOct;
  const isAllowedSibling = radix === 16 ? isAllowedNumericSeparatorSibling.hex : radix === 10 ? isAllowedNumericSeparatorSibling.dec : radix === 8 ? isAllowedNumericSeparatorSibling.oct : isAllowedNumericSeparatorSibling.bin;
  let invalid = false;
  let total = 0;
  for (let i = 0, e = len == null ? Infinity : len; i < e; ++i) {
    const code = input.charCodeAt(pos);
    let val;
    if (code === 95 && allowNumSeparator !== "bail") {
      const prev = input.charCodeAt(pos - 1);
      const next = input.charCodeAt(pos + 1);
      if (!allowNumSeparator) {
        if (bailOnError) return {
          n: null,
          pos
        };
        errors.numericSeparatorInEscapeSequence(pos, lineStart, curLine);
      } else if (Number.isNaN(next) || !isAllowedSibling(next) || forbiddenSiblings.has(prev) || forbiddenSiblings.has(next)) {
        if (bailOnError) return {
          n: null,
          pos
        };
        errors.unexpectedNumericSeparator(pos, lineStart, curLine);
      }
      ++pos;
      continue;
    }
    if (code >= 97) {
      val = code - 97 + 10;
    } else if (code >= 65) {
      val = code - 65 + 10;
    } else if (_isDigit(code)) {
      val = code - 48;
    } else {
      val = Infinity;
    }
    if (val >= radix) {
      if (val <= 9 && bailOnError) {
        return {
          n: null,
          pos
        };
      } else if (val <= 9 && errors.invalidDigit(pos, lineStart, curLine, radix)) {
        val = 0;
      } else if (forceLen) {
        val = 0;
        invalid = true;
      } else {
        break;
      }
    }
    ++pos;
    total = total * radix + val;
  }
  if (pos === start || len != null && pos - start !== len || invalid) {
    return {
      n: null,
      pos
    };
  }
  return {
    n: total,
    pos
  };
}
function readCodePoint(input, pos, lineStart, curLine, throwOnInvalid, errors) {
  const ch = input.charCodeAt(pos);
  let code;
  if (ch === 123) {
    ++pos;
    ({
      code,
      pos
    } = readHexChar(input, pos, lineStart, curLine, input.indexOf("}", pos) - pos, true, throwOnInvalid, errors));
    ++pos;
    if (code !== null && code > 0x10ffff) {
      if (throwOnInvalid) {
        errors.invalidCodePoint(pos, lineStart, curLine);
      } else {
        return {
          code: null,
          pos
        };
      }
    }
  } else {
    ({
      code,
      pos
    } = readHexChar(input, pos, lineStart, curLine, 4, false, throwOnInvalid, errors));
  }
  return {
    code,
    pos
  };
}
function buildPosition(pos, lineStart, curLine) {
  return new Position(curLine, pos - lineStart, pos);
}
const VALID_REGEX_FLAGS = new Set([103, 109, 115, 105, 121, 117, 100, 118]);
class Token {
  constructor(state) {
    const startIndex = state.startIndex || 0;
    this.type = state.type;
    this.value = state.value;
    this.start = startIndex + state.start;
    this.end = startIndex + state.end;
    this.loc = new SourceLocation(state.startLoc, state.endLoc);
  }
}
class Tokenizer extends CommentsParser {
  constructor(options, input) {
    super();
    this.isLookahead = void 0;
    this.tokens = [];
    this.errorHandlers_readInt = {
      invalidDigit: (pos, lineStart, curLine, radix) => {
        if (!this.options.errorRecovery) return false;
        this.raise(Errors.InvalidDigit, buildPosition(pos, lineStart, curLine), {
          radix
        });
        return true;
      },
      numericSeparatorInEscapeSequence: this.errorBuilder(Errors.NumericSeparatorInEscapeSequence),
      unexpectedNumericSeparator: this.errorBuilder(Errors.UnexpectedNumericSeparator)
    };
    this.errorHandlers_readCodePoint = Object.assign({}, this.errorHandlers_readInt, {
      invalidEscapeSequence: this.errorBuilder(Errors.InvalidEscapeSequence),
      invalidCodePoint: this.errorBuilder(Errors.InvalidCodePoint)
    });
    this.errorHandlers_readStringContents_string = Object.assign({}, this.errorHandlers_readCodePoint, {
      strictNumericEscape: (pos, lineStart, curLine) => {
        this.recordStrictModeErrors(Errors.StrictNumericEscape, buildPosition(pos, lineStart, curLine));
      },
      unterminated: (pos, lineStart, curLine) => {
        throw this.raise(Errors.UnterminatedString, buildPosition(pos - 1, lineStart, curLine));
      }
    });
    this.errorHandlers_readStringContents_template = Object.assign({}, this.errorHandlers_readCodePoint, {
      strictNumericEscape: this.errorBuilder(Errors.StrictNumericEscape),
      unterminated: (pos, lineStart, curLine) => {
        throw this.raise(Errors.UnterminatedTemplate, buildPosition(pos, lineStart, curLine));
      }
    });
    this.state = new State();
    this.state.init(options);
    this.input = input;
    this.length = input.length;
    this.comments = [];
    this.isLookahead = false;
  }
  pushToken(token) {
    this.tokens.length = this.state.tokensLength;
    this.tokens.push(token);
    ++this.state.tokensLength;
  }
  next() {
    this.checkKeywordEscapes();
    if (this.options.tokens) {
      this.pushToken(new Token(this.state));
    }
    this.state.lastTokEndLoc = this.state.endLoc;
    this.state.lastTokStartLoc = this.state.startLoc;
    this.nextToken();
  }
  eat(type) {
    if (this.match(type)) {
      this.next();
      return true;
    } else {
      return false;
    }
  }
  match(type) {
    return this.state.type === type;
  }
  createLookaheadState(state) {
    return {
      pos: state.pos,
      value: null,
      type: state.type,
      start: state.start,
      end: state.end,
      context: [this.curContext()],
      inType: state.inType,
      startLoc: state.startLoc,
      lastTokEndLoc: state.lastTokEndLoc,
      curLine: state.curLine,
      lineStart: state.lineStart,
      curPosition: state.curPosition
    };
  }
  lookahead() {
    const old = this.state;
    this.state = this.createLookaheadState(old);
    this.isLookahead = true;
    this.nextToken();
    this.isLookahead = false;
    const curr = this.state;
    this.state = old;
    return curr;
  }
  nextTokenStart() {
    return this.nextTokenStartSince(this.state.pos);
  }
  nextTokenStartSince(pos) {
    skipWhiteSpace.lastIndex = pos;
    return skipWhiteSpace.test(this.input) ? skipWhiteSpace.lastIndex : pos;
  }
  lookaheadCharCode() {
    return this.input.charCodeAt(this.nextTokenStart());
  }
  nextTokenInLineStart() {
    return this.nextTokenInLineStartSince(this.state.pos);
  }
  nextTokenInLineStartSince(pos) {
    skipWhiteSpaceInLine.lastIndex = pos;
    return skipWhiteSpaceInLine.test(this.input) ? skipWhiteSpaceInLine.lastIndex : pos;
  }
  lookaheadInLineCharCode() {
    return this.input.charCodeAt(this.nextTokenInLineStart());
  }
  codePointAtPos(pos) {
    let cp = this.input.charCodeAt(pos);
    if ((cp & 0xfc00) === 0xd800 && ++pos < this.input.length) {
      const trail = this.input.charCodeAt(pos);
      if ((trail & 0xfc00) === 0xdc00) {
        cp = 0x10000 + ((cp & 0x3ff) << 10) + (trail & 0x3ff);
      }
    }
    return cp;
  }
  setStrict(strict) {
    this.state.strict = strict;
    if (strict) {
      this.state.strictErrors.forEach(([toParseError, at]) => this.raise(toParseError, at));
      this.state.strictErrors.clear();
    }
  }
  curContext() {
    return this.state.context[this.state.context.length - 1];
  }
  nextToken() {
    this.skipSpace();
    this.state.start = this.state.pos;
    if (!this.isLookahead) this.state.startLoc = this.state.curPosition();
    if (this.state.pos >= this.length) {
      this.finishToken(140);
      return;
    }
    this.getTokenFromCode(this.codePointAtPos(this.state.pos));
  }
  skipBlockComment(commentEnd) {
    let startLoc;
    if (!this.isLookahead) startLoc = this.state.curPosition();
    const start = this.state.pos;
    const end = this.input.indexOf(commentEnd, start + 2);
    if (end === -1) {
      throw this.raise(Errors.UnterminatedComment, this.state.curPosition());
    }
    this.state.pos = end + commentEnd.length;
    lineBreakG.lastIndex = start + 2;
    while (lineBreakG.test(this.input) && lineBreakG.lastIndex <= end) {
      ++this.state.curLine;
      this.state.lineStart = lineBreakG.lastIndex;
    }
    if (this.isLookahead) return;
    const comment = {
      type: "CommentBlock",
      value: this.input.slice(start + 2, end),
      start: this.sourceToOffsetPos(start),
      end: this.sourceToOffsetPos(end + commentEnd.length),
      loc: new SourceLocation(startLoc, this.state.curPosition())
    };
    if (this.options.tokens) this.pushToken(comment);
    return comment;
  }
  skipLineComment(startSkip) {
    const start = this.state.pos;
    let startLoc;
    if (!this.isLookahead) startLoc = this.state.curPosition();
    let ch = this.input.charCodeAt(this.state.pos += startSkip);
    if (this.state.pos < this.length) {
      while (!isNewLine(ch) && ++this.state.pos < this.length) {
        ch = this.input.charCodeAt(this.state.pos);
      }
    }
    if (this.isLookahead) return;
    const end = this.state.pos;
    const value = this.input.slice(start + startSkip, end);
    const comment = {
      type: "CommentLine",
      value,
      start: this.sourceToOffsetPos(start),
      end: this.sourceToOffsetPos(end),
      loc: new SourceLocation(startLoc, this.state.curPosition())
    };
    if (this.options.tokens) this.pushToken(comment);
    return comment;
  }
  skipSpace() {
    const spaceStart = this.state.pos;
    const comments = [];
    loop: while (this.state.pos < this.length) {
      const ch = this.input.charCodeAt(this.state.pos);
      switch (ch) {
        case 32:
        case 160:
        case 9:
          ++this.state.pos;
          break;
        case 13:
          if (this.input.charCodeAt(this.state.pos + 1) === 10) {
            ++this.state.pos;
          }
        case 10:
        case 8232:
        case 8233:
          ++this.state.pos;
          ++this.state.curLine;
          this.state.lineStart = this.state.pos;
          break;
        case 47:
          switch (this.input.charCodeAt(this.state.pos + 1)) {
            case 42:
              {
                const comment = this.skipBlockComment("*/");
                if (comment !== undefined) {
                  this.addComment(comment);
                  if (this.options.attachComment) comments.push(comment);
                }
                break;
              }
            case 47:
              {
                const comment = this.skipLineComment(2);
                if (comment !== undefined) {
                  this.addComment(comment);
                  if (this.options.attachComment) comments.push(comment);
                }
                break;
              }
            default:
              break loop;
          }
          break;
        default:
          if (isWhitespace(ch)) {
            ++this.state.pos;
          } else if (ch === 45 && !this.inModule && this.options.annexB) {
            const pos = this.state.pos;
            if (this.input.charCodeAt(pos + 1) === 45 && this.input.charCodeAt(pos + 2) === 62 && (spaceStart === 0 || this.state.lineStart > spaceStart)) {
              const comment = this.skipLineComment(3);
              if (comment !== undefined) {
                this.addComment(comment);
                if (this.options.attachComment) comments.push(comment);
              }
            } else {
              break loop;
            }
          } else if (ch === 60 && !this.inModule && this.options.annexB) {
            const pos = this.state.pos;
            if (this.input.charCodeAt(pos + 1) === 33 && this.input.charCodeAt(pos + 2) === 45 && this.input.charCodeAt(pos + 3) === 45) {
              const comment = this.skipLineComment(4);
              if (comment !== undefined) {
                this.addComment(comment);
                if (this.options.attachComment) comments.push(comment);
              }
            } else {
              break loop;
            }
          } else {
            break loop;
          }
      }
    }
    if (comments.length > 0) {
      const end = this.state.pos;
      const commentWhitespace = {
        start: this.sourceToOffsetPos(spaceStart),
        end: this.sourceToOffsetPos(end),
        comments,
        leadingNode: null,
        trailingNode: null,
        containingNode: null
      };
      this.state.commentStack.push(commentWhitespace);
    }
  }
  finishToken(type, val) {
    this.state.end = this.state.pos;
    this.state.endLoc = this.state.curPosition();
    const prevType = this.state.type;
    this.state.type = type;
    this.state.value = val;
    if (!this.isLookahead) {
      this.updateContext(prevType);
    }
  }
  replaceToken(type) {
    this.state.type = type;
    this.updateContext();
  }
  readToken_numberSign() {
    if (this.state.pos === 0 && this.readToken_interpreter()) {
      return;
    }
    const nextPos = this.state.pos + 1;
    const next = this.codePointAtPos(nextPos);
    if (next >= 48 && next <= 57) {
      throw this.raise(Errors.UnexpectedDigitAfterHash, this.state.curPosition());
    }
    if (next === 123 || next === 91 && this.hasPlugin("recordAndTuple")) {
      this.expectPlugin("recordAndTuple");
      if (this.getPluginOption("recordAndTuple", "syntaxType") === "bar") {
        throw this.raise(next === 123 ? Errors.RecordExpressionHashIncorrectStartSyntaxType : Errors.TupleExpressionHashIncorrectStartSyntaxType, this.state.curPosition());
      }
      this.state.pos += 2;
      if (next === 123) {
        this.finishToken(7);
      } else {
        this.finishToken(1);
      }
    } else if (isIdentifierStart(next)) {
      ++this.state.pos;
      this.finishToken(139, this.readWord1(next));
    } else if (next === 92) {
      ++this.state.pos;
      this.finishToken(139, this.readWord1());
    } else {
      this.finishOp(27, 1);
    }
  }
  readToken_dot() {
    const next = this.input.charCodeAt(this.state.pos + 1);
    if (next >= 48 && next <= 57) {
      this.readNumber(true);
      return;
    }
    if (next === 46 && this.input.charCodeAt(this.state.pos + 2) === 46) {
      this.state.pos += 3;
      this.finishToken(21);
    } else {
      ++this.state.pos;
      this.finishToken(16);
    }
  }
  readToken_slash() {
    const next = this.input.charCodeAt(this.state.pos + 1);
    if (next === 61) {
      this.finishOp(31, 2);
    } else {
      this.finishOp(56, 1);
    }
  }
  readToken_interpreter() {
    if (this.state.pos !== 0 || this.length < 2) return false;
    let ch = this.input.charCodeAt(this.state.pos + 1);
    if (ch !== 33) return false;
    const start = this.state.pos;
    this.state.pos += 1;
    while (!isNewLine(ch) && ++this.state.pos < this.length) {
      ch = this.input.charCodeAt(this.state.pos);
    }
    const value = this.input.slice(start + 2, this.state.pos);
    this.finishToken(28, value);
    return true;
  }
  readToken_mult_modulo(code) {
    let type = code === 42 ? 55 : 54;
    let width = 1;
    let next = this.input.charCodeAt(this.state.pos + 1);
    if (code === 42 && next === 42) {
      width++;
      next = this.input.charCodeAt(this.state.pos + 2);
      type = 57;
    }
    if (next === 61 && !this.state.inType) {
      width++;
      type = code === 37 ? 33 : 30;
    }
    this.finishOp(type, width);
  }
  readToken_pipe_amp(code) {
    const next = this.input.charCodeAt(this.state.pos + 1);
    if (next === code) {
      if (this.input.charCodeAt(this.state.pos + 2) === 61) {
        this.finishOp(30, 3);
      } else {
        this.finishOp(code === 124 ? 41 : 42, 2);
      }
      return;
    }
    if (code === 124) {
      if (next === 62) {
        this.finishOp(39, 2);
        return;
      }
      if (this.hasPlugin("recordAndTuple") && next === 125) {
        if (this.getPluginOption("recordAndTuple", "syntaxType") !== "bar") {
          throw this.raise(Errors.RecordExpressionBarIncorrectEndSyntaxType, this.state.curPosition());
        }
        this.state.pos += 2;
        this.finishToken(9);
        return;
      }
      if (this.hasPlugin("recordAndTuple") && next === 93) {
        if (this.getPluginOption("recordAndTuple", "syntaxType") !== "bar") {
          throw this.raise(Errors.TupleExpressionBarIncorrectEndSyntaxType, this.state.curPosition());
        }
        this.state.pos += 2;
        this.finishToken(4);
        return;
      }
    }
    if (next === 61) {
      this.finishOp(30, 2);
      return;
    }
    this.finishOp(code === 124 ? 43 : 45, 1);
  }
  readToken_caret() {
    const next = this.input.charCodeAt(this.state.pos + 1);
    if (next === 61 && !this.state.inType) {
      this.finishOp(32, 2);
    } else if (next === 94 && this.hasPlugin(["pipelineOperator", {
      proposal: "hack",
      topicToken: "^^"
    }])) {
      this.finishOp(37, 2);
      const lookaheadCh = this.input.codePointAt(this.state.pos);
      if (lookaheadCh === 94) {
        this.unexpected();
      }
    } else {
      this.finishOp(44, 1);
    }
  }
  readToken_atSign() {
    const next = this.input.charCodeAt(this.state.pos + 1);
    if (next === 64 && this.hasPlugin(["pipelineOperator", {
      proposal: "hack",
      topicToken: "@@"
    }])) {
      this.finishOp(38, 2);
    } else {
      this.finishOp(26, 1);
    }
  }
  readToken_plus_min(code) {
    const next = this.input.charCodeAt(this.state.pos + 1);
    if (next === code) {
      this.finishOp(34, 2);
      return;
    }
    if (next === 61) {
      this.finishOp(30, 2);
    } else {
      this.finishOp(53, 1);
    }
  }
  readToken_lt() {
    const {
      pos
    } = this.state;
    const next = this.input.charCodeAt(pos + 1);
    if (next === 60) {
      if (this.input.charCodeAt(pos + 2) === 61) {
        this.finishOp(30, 3);
        return;
      }
      this.finishOp(51, 2);
      return;
    }
    if (next === 61) {
      this.finishOp(49, 2);
      return;
    }
    this.finishOp(47, 1);
  }
  readToken_gt() {
    const {
      pos
    } = this.state;
    const next = this.input.charCodeAt(pos + 1);
    if (next === 62) {
      const size = this.input.charCodeAt(pos + 2) === 62 ? 3 : 2;
      if (this.input.charCodeAt(pos + size) === 61) {
        this.finishOp(30, size + 1);
        return;
      }
      this.finishOp(52, size);
      return;
    }
    if (next === 61) {
      this.finishOp(49, 2);
      return;
    }
    this.finishOp(48, 1);
  }
  readToken_eq_excl(code) {
    const next = this.input.charCodeAt(this.state.pos + 1);
    if (next === 61) {
      this.finishOp(46, this.input.charCodeAt(this.state.pos + 2) === 61 ? 3 : 2);
      return;
    }
    if (code === 61 && next === 62) {
      this.state.pos += 2;
      this.finishToken(19);
      return;
    }
    this.finishOp(code === 61 ? 29 : 35, 1);
  }
  readToken_question() {
    const next = this.input.charCodeAt(this.state.pos + 1);
    const next2 = this.input.charCodeAt(this.state.pos + 2);
    if (next === 63) {
      if (next2 === 61) {
        this.finishOp(30, 3);
      } else {
        this.finishOp(40, 2);
      }
    } else if (next === 46 && !(next2 >= 48 && next2 <= 57)) {
      this.state.pos += 2;
      this.finishToken(18);
    } else {
      ++this.state.pos;
      this.finishToken(17);
    }
  }
  getTokenFromCode(code) {
    switch (code) {
      case 46:
        this.readToken_dot();
        return;
      case 40:
        ++this.state.pos;
        this.finishToken(10);
        return;
      case 41:
        ++this.state.pos;
        this.finishToken(11);
        return;
      case 59:
        ++this.state.pos;
        this.finishToken(13);
        return;
      case 44:
        ++this.state.pos;
        this.finishToken(12);
        return;
      case 91:
        if (this.hasPlugin("recordAndTuple") && this.input.charCodeAt(this.state.pos + 1) === 124) {
          if (this.getPluginOption("recordAndTuple", "syntaxType") !== "bar") {
            throw this.raise(Errors.TupleExpressionBarIncorrectStartSyntaxType, this.state.curPosition());
          }
          this.state.pos += 2;
          this.finishToken(2);
        } else {
          ++this.state.pos;
          this.finishToken(0);
        }
        return;
      case 93:
        ++this.state.pos;
        this.finishToken(3);
        return;
      case 123:
        if (this.hasPlugin("recordAndTuple") && this.input.charCodeAt(this.state.pos + 1) === 124) {
          if (this.getPluginOption("recordAndTuple", "syntaxType") !== "bar") {
            throw this.raise(Errors.RecordExpressionBarIncorrectStartSyntaxType, this.state.curPosition());
          }
          this.state.pos += 2;
          this.finishToken(6);
        } else {
          ++this.state.pos;
          this.finishToken(5);
        }
        return;
      case 125:
        ++this.state.pos;
        this.finishToken(8);
        return;
      case 58:
        if (this.hasPlugin("functionBind") && this.input.charCodeAt(this.state.pos + 1) === 58) {
          this.finishOp(15, 2);
        } else {
          ++this.state.pos;
          this.finishToken(14);
        }
        return;
      case 63:
        this.readToken_question();
        return;
      case 96:
        this.readTemplateToken();
        return;
      case 48:
        {
          const next = this.input.charCodeAt(this.state.pos + 1);
          if (next === 120 || next === 88) {
            this.readRadixNumber(16);
            return;
          }
          if (next === 111 || next === 79) {
            this.readRadixNumber(8);
            return;
          }
          if (next === 98 || next === 66) {
            this.readRadixNumber(2);
            return;
          }
        }
      case 49:
      case 50:
      case 51:
      case 52:
      case 53:
      case 54:
      case 55:
      case 56:
      case 57:
        this.readNumber(false);
        return;
      case 34:
      case 39:
        this.readString(code);
        return;
      case 47:
        this.readToken_slash();
        return;
      case 37:
      case 42:
        this.readToken_mult_modulo(code);
        return;
      case 124:
      case 38:
        this.readToken_pipe_amp(code);
        return;
      case 94:
        this.readToken_caret();
        return;
      case 43:
      case 45:
        this.readToken_plus_min(code);
        return;
      case 60:
        this.readToken_lt();
        return;
      case 62:
        this.readToken_gt();
        return;
      case 61:
      case 33:
        this.readToken_eq_excl(code);
        return;
      case 126:
        this.finishOp(36, 1);
        return;
      case 64:
        this.readToken_atSign();
        return;
      case 35:
        this.readToken_numberSign();
        return;
      case 92:
        this.readWord();
        return;
      default:
        if (isIdentifierStart(code)) {
          this.readWord(code);
          return;
        }
    }
    throw this.raise(Errors.InvalidOrUnexpectedToken, this.state.curPosition(), {
      unexpected: String.fromCodePoint(code)
    });
  }
  finishOp(type, size) {
    const str = this.input.slice(this.state.pos, this.state.pos + size);
    this.state.pos += size;
    this.finishToken(type, str);
  }
  readRegexp() {
    const startLoc = this.state.startLoc;
    const start = this.state.start + 1;
    let escaped, inClass;
    let {
      pos
    } = this.state;
    for (;; ++pos) {
      if (pos >= this.length) {
        throw this.raise(Errors.UnterminatedRegExp, createPositionWithColumnOffset(startLoc, 1));
      }
      const ch = this.input.charCodeAt(pos);
      if (isNewLine(ch)) {
        throw this.raise(Errors.UnterminatedRegExp, createPositionWithColumnOffset(startLoc, 1));
      }
      if (escaped) {
        escaped = false;
      } else {
        if (ch === 91) {
          inClass = true;
        } else if (ch === 93 && inClass) {
          inClass = false;
        } else if (ch === 47 && !inClass) {
          break;
        }
        escaped = ch === 92;
      }
    }
    const content = this.input.slice(start, pos);
    ++pos;
    let mods = "";
    const nextPos = () => createPositionWithColumnOffset(startLoc, pos + 2 - start);
    while (pos < this.length) {
      const cp = this.codePointAtPos(pos);
      const char = String.fromCharCode(cp);
      if (VALID_REGEX_FLAGS.has(cp)) {
        if (cp === 118) {
          if (mods.includes("u")) {
            this.raise(Errors.IncompatibleRegExpUVFlags, nextPos());
          }
        } else if (cp === 117) {
          if (mods.includes("v")) {
            this.raise(Errors.IncompatibleRegExpUVFlags, nextPos());
          }
        }
        if (mods.includes(char)) {
          this.raise(Errors.DuplicateRegExpFlags, nextPos());
        }
      } else if (isIdentifierChar(cp) || cp === 92) {
        this.raise(Errors.MalformedRegExpFlags, nextPos());
      } else {
        break;
      }
      ++pos;
      mods += char;
    }
    this.state.pos = pos;
    this.finishToken(138, {
      pattern: content,
      flags: mods
    });
  }
  readInt(radix, len, forceLen = false, allowNumSeparator = true) {
    const {
      n,
      pos
    } = readInt(this.input, this.state.pos, this.state.lineStart, this.state.curLine, radix, len, forceLen, allowNumSeparator, this.errorHandlers_readInt, false);
    this.state.pos = pos;
    return n;
  }
  readRadixNumber(radix) {
    const start = this.state.pos;
    const startLoc = this.state.curPosition();
    let isBigInt = false;
    this.state.pos += 2;
    const val = this.readInt(radix);
    if (val == null) {
      this.raise(Errors.InvalidDigit, createPositionWithColumnOffset(startLoc, 2), {
        radix
      });
    }
    const next = this.input.charCodeAt(this.state.pos);
    if (next === 110) {
      ++this.state.pos;
      isBigInt = true;
    } else if (next === 109) {
      throw this.raise(Errors.InvalidDecimal, startLoc);
    }
    if (isIdentifierStart(this.codePointAtPos(this.state.pos))) {
      throw this.raise(Errors.NumberIdentifier, this.state.curPosition());
    }
    if (isBigInt) {
      const str = this.input.slice(start, this.state.pos).replace(/[_n]/g, "");
      this.finishToken(136, str);
      return;
    }
    this.finishToken(135, val);
  }
  readNumber(startsWithDot) {
    const start = this.state.pos;
    const startLoc = this.state.curPosition();
    let isFloat = false;
    let isBigInt = false;
    let hasExponent = false;
    let isOctal = false;
    if (!startsWithDot && this.readInt(10) === null) {
      this.raise(Errors.InvalidNumber, this.state.curPosition());
    }
    const hasLeadingZero = this.state.pos - start >= 2 && this.input.charCodeAt(start) === 48;
    if (hasLeadingZero) {
      const integer = this.input.slice(start, this.state.pos);
      this.recordStrictModeErrors(Errors.StrictOctalLiteral, startLoc);
      if (!this.state.strict) {
        const underscorePos = integer.indexOf("_");
        if (underscorePos > 0) {
          this.raise(Errors.ZeroDigitNumericSeparator, createPositionWithColumnOffset(startLoc, underscorePos));
        }
      }
      isOctal = hasLeadingZero && !/[89]/.test(integer);
    }
    let next = this.input.charCodeAt(this.state.pos);
    if (next === 46 && !isOctal) {
      ++this.state.pos;
      this.readInt(10);
      isFloat = true;
      next = this.input.charCodeAt(this.state.pos);
    }
    if ((next === 69 || next === 101) && !isOctal) {
      next = this.input.charCodeAt(++this.state.pos);
      if (next === 43 || next === 45) {
        ++this.state.pos;
      }
      if (this.readInt(10) === null) {
        this.raise(Errors.InvalidOrMissingExponent, startLoc);
      }
      isFloat = true;
      hasExponent = true;
      next = this.input.charCodeAt(this.state.pos);
    }
    if (next === 110) {
      if (isFloat || hasLeadingZero) {
        this.raise(Errors.InvalidBigIntLiteral, startLoc);
      }
      ++this.state.pos;
      isBigInt = true;
    }
    if (next === 109) {
      this.expectPlugin("decimal", this.state.curPosition());
      if (hasExponent || hasLeadingZero) {
        this.raise(Errors.InvalidDecimal, startLoc);
      }
      ++this.state.pos;
      var isDecimal = true;
    }
    if (isIdentifierStart(this.codePointAtPos(this.state.pos))) {
      throw this.raise(Errors.NumberIdentifier, this.state.curPosition());
    }
    const str = this.input.slice(start, this.state.pos).replace(/[_mn]/g, "");
    if (isBigInt) {
      this.finishToken(136, str);
      return;
    }
    if (isDecimal) {
      this.finishToken(137, str);
      return;
    }
    const val = isOctal ? parseInt(str, 8) : parseFloat(str);
    this.finishToken(135, val);
  }
  readCodePoint(throwOnInvalid) {
    const {
      code,
      pos
    } = readCodePoint(this.input, this.state.pos, this.state.lineStart, this.state.curLine, throwOnInvalid, this.errorHandlers_readCodePoint);
    this.state.pos = pos;
    return code;
  }
  readString(quote) {
    const {
      str,
      pos,
      curLine,
      lineStart
    } = readStringContents(quote === 34 ? "double" : "single", this.input, this.state.pos + 1, this.state.lineStart, this.state.curLine, this.errorHandlers_readStringContents_string);
    this.state.pos = pos + 1;
    this.state.lineStart = lineStart;
    this.state.curLine = curLine;
    this.finishToken(134, str);
  }
  readTemplateContinuation() {
    if (!this.match(8)) {
      this.unexpected(null, 8);
    }
    this.state.pos--;
    this.readTemplateToken();
  }
  readTemplateToken() {
    const opening = this.input[this.state.pos];
    const {
      str,
      firstInvalidLoc,
      pos,
      curLine,
      lineStart
    } = readStringContents("template", this.input, this.state.pos + 1, this.state.lineStart, this.state.curLine, this.errorHandlers_readStringContents_template);
    this.state.pos = pos + 1;
    this.state.lineStart = lineStart;
    this.state.curLine = curLine;
    if (firstInvalidLoc) {
      this.state.firstInvalidTemplateEscapePos = new Position(firstInvalidLoc.curLine, firstInvalidLoc.pos - firstInvalidLoc.lineStart, this.sourceToOffsetPos(firstInvalidLoc.pos));
    }
    if (this.input.codePointAt(pos) === 96) {
      this.finishToken(24, firstInvalidLoc ? null : opening + str + "`");
    } else {
      this.state.pos++;
      this.finishToken(25, firstInvalidLoc ? null : opening + str + "${");
    }
  }
  recordStrictModeErrors(toParseError, at) {
    const index = at.index;
    if (this.state.strict && !this.state.strictErrors.has(index)) {
      this.raise(toParseError, at);
    } else {
      this.state.strictErrors.set(index, [toParseError, at]);
    }
  }
  readWord1(firstCode) {
    this.state.containsEsc = false;
    let word = "";
    const start = this.state.pos;
    let chunkStart = this.state.pos;
    if (firstCode !== undefined) {
      this.state.pos += firstCode <= 0xffff ? 1 : 2;
    }
    while (this.state.pos < this.length) {
      const ch = this.codePointAtPos(this.state.pos);
      if (isIdentifierChar(ch)) {
        this.state.pos += ch <= 0xffff ? 1 : 2;
      } else if (ch === 92) {
        this.state.containsEsc = true;
        word += this.input.slice(chunkStart, this.state.pos);
        const escStart = this.state.curPosition();
        const identifierCheck = this.state.pos === start ? isIdentifierStart : isIdentifierChar;
        if (this.input.charCodeAt(++this.state.pos) !== 117) {
          this.raise(Errors.MissingUnicodeEscape, this.state.curPosition());
          chunkStart = this.state.pos - 1;
          continue;
        }
        ++this.state.pos;
        const esc = this.readCodePoint(true);
        if (esc !== null) {
          if (!identifierCheck(esc)) {
            this.raise(Errors.EscapedCharNotAnIdentifier, escStart);
          }
          word += String.fromCodePoint(esc);
        }
        chunkStart = this.state.pos;
      } else {
        break;
      }
    }
    return word + this.input.slice(chunkStart, this.state.pos);
  }
  readWord(firstCode) {
    const word = this.readWord1(firstCode);
    const type = keywords$1.get(word);
    if (type !== undefined) {
      this.finishToken(type, tokenLabelName(type));
    } else {
      this.finishToken(132, word);
    }
  }
  checkKeywordEscapes() {
    const {
      type
    } = this.state;
    if (tokenIsKeyword(type) && this.state.containsEsc) {
      this.raise(Errors.InvalidEscapedReservedWord, this.state.startLoc, {
        reservedWord: tokenLabelName(type)
      });
    }
  }
  raise(toParseError, at, details = {}) {
    const loc = at instanceof Position ? at : at.loc.start;
    const error = toParseError(loc, details);
    if (!this.options.errorRecovery) throw error;
    if (!this.isLookahead) this.state.errors.push(error);
    return error;
  }
  raiseOverwrite(toParseError, at, details = {}) {
    const loc = at instanceof Position ? at : at.loc.start;
    const pos = loc.index;
    const errors = this.state.errors;
    for (let i = errors.length - 1; i >= 0; i--) {
      const error = errors[i];
      if (error.loc.index === pos) {
        return errors[i] = toParseError(loc, details);
      }
      if (error.loc.index < pos) break;
    }
    return this.raise(toParseError, at, details);
  }
  updateContext(prevType) {}
  unexpected(loc, type) {
    throw this.raise(Errors.UnexpectedToken, loc != null ? loc : this.state.startLoc, {
      expected: type ? tokenLabelName(type) : null
    });
  }
  expectPlugin(pluginName, loc) {
    if (this.hasPlugin(pluginName)) {
      return true;
    }
    throw this.raise(Errors.MissingPlugin, loc != null ? loc : this.state.startLoc, {
      missingPlugin: [pluginName]
    });
  }
  expectOnePlugin(pluginNames) {
    if (!pluginNames.some(name => this.hasPlugin(name))) {
      throw this.raise(Errors.MissingOneOfPlugins, this.state.startLoc, {
        missingPlugin: pluginNames
      });
    }
  }
  errorBuilder(error) {
    return (pos, lineStart, curLine) => {
      this.raise(error, buildPosition(pos, lineStart, curLine));
    };
  }
}
class ClassScope {
  constructor() {
    this.privateNames = new Set();
    this.loneAccessors = new Map();
    this.undefinedPrivateNames = new Map();
  }
}
class ClassScopeHandler {
  constructor(parser) {
    this.parser = void 0;
    this.stack = [];
    this.undefinedPrivateNames = new Map();
    this.parser = parser;
  }
  current() {
    return this.stack[this.stack.length - 1];
  }
  enter() {
    this.stack.push(new ClassScope());
  }
  exit() {
    const oldClassScope = this.stack.pop();
    const current = this.current();
    for (const [name, loc] of Array.from(oldClassScope.undefinedPrivateNames)) {
      if (current) {
        if (!current.undefinedPrivateNames.has(name)) {
          current.undefinedPrivateNames.set(name, loc);
        }
      } else {
        this.parser.raise(Errors.InvalidPrivateFieldResolution, loc, {
          identifierName: name
        });
      }
    }
  }
  declarePrivateName(name, elementType, loc) {
    const {
      privateNames,
      loneAccessors,
      undefinedPrivateNames
    } = this.current();
    let redefined = privateNames.has(name);
    if (elementType & 3) {
      const accessor = redefined && loneAccessors.get(name);
      if (accessor) {
        const oldStatic = accessor & 4;
        const newStatic = elementType & 4;
        const oldKind = accessor & 3;
        const newKind = elementType & 3;
        redefined = oldKind === newKind || oldStatic !== newStatic;
        if (!redefined) loneAccessors.delete(name);
      } else if (!redefined) {
        loneAccessors.set(name, elementType);
      }
    }
    if (redefined) {
      this.parser.raise(Errors.PrivateNameRedeclaration, loc, {
        identifierName: name
      });
    }
    privateNames.add(name);
    undefinedPrivateNames.delete(name);
  }
  usePrivateName(name, loc) {
    let classScope;
    for (classScope of this.stack) {
      if (classScope.privateNames.has(name)) return;
    }
    if (classScope) {
      classScope.undefinedPrivateNames.set(name, loc);
    } else {
      this.parser.raise(Errors.InvalidPrivateFieldResolution, loc, {
        identifierName: name
      });
    }
  }
}
class ExpressionScope {
  constructor(type = 0) {
    this.type = type;
  }
  canBeArrowParameterDeclaration() {
    return this.type === 2 || this.type === 1;
  }
  isCertainlyParameterDeclaration() {
    return this.type === 3;
  }
}
class ArrowHeadParsingScope extends ExpressionScope {
  constructor(type) {
    super(type);
    this.declarationErrors = new Map();
  }
  recordDeclarationError(ParsingErrorClass, at) {
    const index = at.index;
    this.declarationErrors.set(index, [ParsingErrorClass, at]);
  }
  clearDeclarationError(index) {
    this.declarationErrors.delete(index);
  }
  iterateErrors(iterator) {
    this.declarationErrors.forEach(iterator);
  }
}
class ExpressionScopeHandler {
  constructor(parser) {
    this.parser = void 0;
    this.stack = [new ExpressionScope()];
    this.parser = parser;
  }
  enter(scope) {
    this.stack.push(scope);
  }
  exit() {
    this.stack.pop();
  }
  recordParameterInitializerError(toParseError, node) {
    const origin = node.loc.start;
    const {
      stack
    } = this;
    let i = stack.length - 1;
    let scope = stack[i];
    while (!scope.isCertainlyParameterDeclaration()) {
      if (scope.canBeArrowParameterDeclaration()) {
        scope.recordDeclarationError(toParseError, origin);
      } else {
        return;
      }
      scope = stack[--i];
    }
    this.parser.raise(toParseError, origin);
  }
  recordArrowParameterBindingError(error, node) {
    const {
      stack
    } = this;
    const scope = stack[stack.length - 1];
    const origin = node.loc.start;
    if (scope.isCertainlyParameterDeclaration()) {
      this.parser.raise(error, origin);
    } else if (scope.canBeArrowParameterDeclaration()) {
      scope.recordDeclarationError(error, origin);
    } else {
      return;
    }
  }
  recordAsyncArrowParametersError(at) {
    const {
      stack
    } = this;
    let i = stack.length - 1;
    let scope = stack[i];
    while (scope.canBeArrowParameterDeclaration()) {
      if (scope.type === 2) {
        scope.recordDeclarationError(Errors.AwaitBindingIdentifier, at);
      }
      scope = stack[--i];
    }
  }
  validateAsPattern() {
    const {
      stack
    } = this;
    const currentScope = stack[stack.length - 1];
    if (!currentScope.canBeArrowParameterDeclaration()) return;
    currentScope.iterateErrors(([toParseError, loc]) => {
      this.parser.raise(toParseError, loc);
      let i = stack.length - 2;
      let scope = stack[i];
      while (scope.canBeArrowParameterDeclaration()) {
        scope.clearDeclarationError(loc.index);
        scope = stack[--i];
      }
    });
  }
}
function newParameterDeclarationScope() {
  return new ExpressionScope(3);
}
function newArrowHeadScope() {
  return new ArrowHeadParsingScope(1);
}
function newAsyncArrowScope() {
  return new ArrowHeadParsingScope(2);
}
function newExpressionScope() {
  return new ExpressionScope();
}
class ProductionParameterHandler {
  constructor() {
    this.stacks = [];
  }
  enter(flags) {
    this.stacks.push(flags);
  }
  exit() {
    this.stacks.pop();
  }
  currentFlags() {
    return this.stacks[this.stacks.length - 1];
  }
  get hasAwait() {
    return (this.currentFlags() & 2) > 0;
  }
  get hasYield() {
    return (this.currentFlags() & 1) > 0;
  }
  get hasReturn() {
    return (this.currentFlags() & 4) > 0;
  }
  get hasIn() {
    return (this.currentFlags() & 8) > 0;
  }
}
function functionFlags(isAsync, isGenerator) {
  return (isAsync ? 2 : 0) | (isGenerator ? 1 : 0);
}
class UtilParser extends Tokenizer {
  addExtra(node, key, value, enumerable = true) {
    if (!node) return;
    let {
      extra
    } = node;
    if (extra == null) {
      extra = {};
      node.extra = extra;
    }
    if (enumerable) {
      extra[key] = value;
    } else {
      Object.defineProperty(extra, key, {
        enumerable,
        value
      });
    }
  }
  isContextual(token) {
    return this.state.type === token && !this.state.containsEsc;
  }
  isUnparsedContextual(nameStart, name) {
    const nameEnd = nameStart + name.length;
    if (this.input.slice(nameStart, nameEnd) === name) {
      const nextCh = this.input.charCodeAt(nameEnd);
      return !(isIdentifierChar(nextCh) || (nextCh & 0xfc00) === 0xd800);
    }
    return false;
  }
  isLookaheadContextual(name) {
    const next = this.nextTokenStart();
    return this.isUnparsedContextual(next, name);
  }
  eatContextual(token) {
    if (this.isContextual(token)) {
      this.next();
      return true;
    }
    return false;
  }
  expectContextual(token, toParseError) {
    if (!this.eatContextual(token)) {
      if (toParseError != null) {
        throw this.raise(toParseError, this.state.startLoc);
      }
      this.unexpected(null, token);
    }
  }
  canInsertSemicolon() {
    return this.match(140) || this.match(8) || this.hasPrecedingLineBreak();
  }
  hasPrecedingLineBreak() {
    return hasNewLine(this.input, this.offsetToSourcePos(this.state.lastTokEndLoc.index), this.state.start);
  }
  hasFollowingLineBreak() {
    return hasNewLine(this.input, this.state.end, this.nextTokenStart());
  }
  isLineTerminator() {
    return this.eat(13) || this.canInsertSemicolon();
  }
  semicolon(allowAsi = true) {
    if (allowAsi ? this.isLineTerminator() : this.eat(13)) return;
    this.raise(Errors.MissingSemicolon, this.state.lastTokEndLoc);
  }
  expect(type, loc) {
    if (!this.eat(type)) {
      this.unexpected(loc, type);
    }
  }
  tryParse(fn, oldState = this.state.clone()) {
    const abortSignal = {
      node: null
    };
    try {
      const node = fn((node = null) => {
        abortSignal.node = node;
        throw abortSignal;
      });
      if (this.state.errors.length > oldState.errors.length) {
        const failState = this.state;
        this.state = oldState;
        this.state.tokensLength = failState.tokensLength;
        return {
          node,
          error: failState.errors[oldState.errors.length],
          thrown: false,
          aborted: false,
          failState
        };
      }
      return {
        node,
        error: null,
        thrown: false,
        aborted: false,
        failState: null
      };
    } catch (error) {
      const failState = this.state;
      this.state = oldState;
      if (error instanceof SyntaxError) {
        return {
          node: null,
          error,
          thrown: true,
          aborted: false,
          failState
        };
      }
      if (error === abortSignal) {
        return {
          node: abortSignal.node,
          error: null,
          thrown: false,
          aborted: true,
          failState
        };
      }
      throw error;
    }
  }
  checkExpressionErrors(refExpressionErrors, andThrow) {
    if (!refExpressionErrors) return false;
    const {
      shorthandAssignLoc,
      doubleProtoLoc,
      privateKeyLoc,
      optionalParametersLoc
    } = refExpressionErrors;
    const hasErrors = !!shorthandAssignLoc || !!doubleProtoLoc || !!optionalParametersLoc || !!privateKeyLoc;
    if (!andThrow) {
      return hasErrors;
    }
    if (shorthandAssignLoc != null) {
      this.raise(Errors.InvalidCoverInitializedName, shorthandAssignLoc);
    }
    if (doubleProtoLoc != null) {
      this.raise(Errors.DuplicateProto, doubleProtoLoc);
    }
    if (privateKeyLoc != null) {
      this.raise(Errors.UnexpectedPrivateField, privateKeyLoc);
    }
    if (optionalParametersLoc != null) {
      this.unexpected(optionalParametersLoc);
    }
  }
  isLiteralPropertyName() {
    return tokenIsLiteralPropertyName(this.state.type);
  }
  isPrivateName(node) {
    return node.type === "PrivateName";
  }
  getPrivateNameSV(node) {
    return node.id.name;
  }
  hasPropertyAsPrivateName(node) {
    return (node.type === "MemberExpression" || node.type === "OptionalMemberExpression") && this.isPrivateName(node.property);
  }
  isObjectProperty(node) {
    return node.type === "ObjectProperty";
  }
  isObjectMethod(node) {
    return node.type === "ObjectMethod";
  }
  initializeScopes(inModule = this.options.sourceType === "module") {
    const oldLabels = this.state.labels;
    this.state.labels = [];
    const oldExportedIdentifiers = this.exportedIdentifiers;
    this.exportedIdentifiers = new Set();
    const oldInModule = this.inModule;
    this.inModule = inModule;
    const oldScope = this.scope;
    const ScopeHandler = this.getScopeHandler();
    this.scope = new ScopeHandler(this, inModule);
    const oldProdParam = this.prodParam;
    this.prodParam = new ProductionParameterHandler();
    const oldClassScope = this.classScope;
    this.classScope = new ClassScopeHandler(this);
    const oldExpressionScope = this.expressionScope;
    this.expressionScope = new ExpressionScopeHandler(this);
    return () => {
      this.state.labels = oldLabels;
      this.exportedIdentifiers = oldExportedIdentifiers;
      this.inModule = oldInModule;
      this.scope = oldScope;
      this.prodParam = oldProdParam;
      this.classScope = oldClassScope;
      this.expressionScope = oldExpressionScope;
    };
  }
  enterInitialScopes() {
    let paramFlags = 0;
    if (this.inModule) {
      paramFlags |= 2;
    }
    this.scope.enter(1);
    this.prodParam.enter(paramFlags);
  }
  checkDestructuringPrivate(refExpressionErrors) {
    const {
      privateKeyLoc
    } = refExpressionErrors;
    if (privateKeyLoc !== null) {
      this.expectPlugin("destructuringPrivate", privateKeyLoc);
    }
  }
}
class ExpressionErrors {
  constructor() {
    this.shorthandAssignLoc = null;
    this.doubleProtoLoc = null;
    this.privateKeyLoc = null;
    this.optionalParametersLoc = null;
  }
}
class Node {
  constructor(parser, pos, loc) {
    this.type = "";
    this.start = pos;
    this.end = 0;
    this.loc = new SourceLocation(loc);
    if (parser != null && parser.options.ranges) this.range = [pos, 0];
    if (parser != null && parser.filename) this.loc.filename = parser.filename;
  }
}
const NodePrototype = Node.prototype;
{
  NodePrototype.__clone = function () {
    const newNode = new Node(undefined, this.start, this.loc.start);
    const keys = Object.keys(this);
    for (let i = 0, length = keys.length; i < length; i++) {
      const key = keys[i];
      if (key !== "leadingComments" && key !== "trailingComments" && key !== "innerComments") {
        newNode[key] = this[key];
      }
    }
    return newNode;
  };
}
function clonePlaceholder(node) {
  return cloneIdentifier(node);
}
function cloneIdentifier(node) {
  const {
    type,
    start,
    end,
    loc,
    range,
    extra,
    name
  } = node;
  const cloned = Object.create(NodePrototype);
  cloned.type = type;
  cloned.start = start;
  cloned.end = end;
  cloned.loc = loc;
  cloned.range = range;
  cloned.extra = extra;
  cloned.name = name;
  if (type === "Placeholder") {
    cloned.expectedNode = node.expectedNode;
  }
  return cloned;
}
function cloneStringLiteral(node) {
  const {
    type,
    start,
    end,
    loc,
    range,
    extra
  } = node;
  if (type === "Placeholder") {
    return clonePlaceholder(node);
  }
  const cloned = Object.create(NodePrototype);
  cloned.type = type;
  cloned.start = start;
  cloned.end = end;
  cloned.loc = loc;
  cloned.range = range;
  if (node.raw !== undefined) {
    cloned.raw = node.raw;
  } else {
    cloned.extra = extra;
  }
  cloned.value = node.value;
  return cloned;
}
class NodeUtils extends UtilParser {
  startNode() {
    const loc = this.state.startLoc;
    return new Node(this, loc.index, loc);
  }
  startNodeAt(loc) {
    return new Node(this, loc.index, loc);
  }
  startNodeAtNode(type) {
    return this.startNodeAt(type.loc.start);
  }
  finishNode(node, type) {
    return this.finishNodeAt(node, type, this.state.lastTokEndLoc);
  }
  finishNodeAt(node, type, endLoc) {
    node.type = type;
    node.end = endLoc.index;
    node.loc.end = endLoc;
    if (this.options.ranges) node.range[1] = endLoc.index;
    if (this.options.attachComment) this.processComment(node);
    return node;
  }
  resetStartLocation(node, startLoc) {
    node.start = startLoc.index;
    node.loc.start = startLoc;
    if (this.options.ranges) node.range[0] = startLoc.index;
  }
  resetEndLocation(node, endLoc = this.state.lastTokEndLoc) {
    node.end = endLoc.index;
    node.loc.end = endLoc;
    if (this.options.ranges) node.range[1] = endLoc.index;
  }
  resetStartLocationFromNode(node, locationNode) {
    this.resetStartLocation(node, locationNode.loc.start);
  }
}
const reservedTypes = new Set(["_", "any", "bool", "boolean", "empty", "extends", "false", "interface", "mixed", "null", "number", "static", "string", "true", "typeof", "void"]);
const FlowErrors = ParseErrorEnum`flow`({
  AmbiguousConditionalArrow: "Ambiguous expression: wrap the arrow functions in parentheses to disambiguate.",
  AmbiguousDeclareModuleKind: "Found both `declare module.exports` and `declare export` in the same module. Modules can only have 1 since they are either an ES module or they are a CommonJS module.",
  AssignReservedType: ({
    reservedType
  }) => `Cannot overwrite reserved type ${reservedType}.`,
  DeclareClassElement: "The `declare` modifier can only appear on class fields.",
  DeclareClassFieldInitializer: "Initializers are not allowed in fields with the `declare` modifier.",
  DuplicateDeclareModuleExports: "Duplicate `declare module.exports` statement.",
  EnumBooleanMemberNotInitialized: ({
    memberName,
    enumName
  }) => `Boolean enum members need to be initialized. Use either \`${memberName} = true,\` or \`${memberName} = false,\` in enum \`${enumName}\`.`,
  EnumDuplicateMemberName: ({
    memberName,
    enumName
  }) => `Enum member names need to be unique, but the name \`${memberName}\` has already been used before in enum \`${enumName}\`.`,
  EnumInconsistentMemberValues: ({
    enumName
  }) => `Enum \`${enumName}\` has inconsistent member initializers. Either use no initializers, or consistently use literals (either booleans, numbers, or strings) for all member initializers.`,
  EnumInvalidExplicitType: ({
    invalidEnumType,
    enumName
  }) => `Enum type \`${invalidEnumType}\` is not valid. Use one of \`boolean\`, \`number\`, \`string\`, or \`symbol\` in enum \`${enumName}\`.`,
  EnumInvalidExplicitTypeUnknownSupplied: ({
    enumName
  }) => `Supplied enum type is not valid. Use one of \`boolean\`, \`number\`, \`string\`, or \`symbol\` in enum \`${enumName}\`.`,
  EnumInvalidMemberInitializerPrimaryType: ({
    enumName,
    memberName,
    explicitType
  }) => `Enum \`${enumName}\` has type \`${explicitType}\`, so the initializer of \`${memberName}\` needs to be a ${explicitType} literal.`,
  EnumInvalidMemberInitializerSymbolType: ({
    enumName,
    memberName
  }) => `Symbol enum members cannot be initialized. Use \`${memberName},\` in enum \`${enumName}\`.`,
  EnumInvalidMemberInitializerUnknownType: ({
    enumName,
    memberName
  }) => `The enum member initializer for \`${memberName}\` needs to be a literal (either a boolean, number, or string) in enum \`${enumName}\`.`,
  EnumInvalidMemberName: ({
    enumName,
    memberName,
    suggestion
  }) => `Enum member names cannot start with lowercase 'a' through 'z'. Instead of using \`${memberName}\`, consider using \`${suggestion}\`, in enum \`${enumName}\`.`,
  EnumNumberMemberNotInitialized: ({
    enumName,
    memberName
  }) => `Number enum members need to be initialized, e.g. \`${memberName} = 1\` in enum \`${enumName}\`.`,
  EnumStringMemberInconsistentlyInitialized: ({
    enumName
  }) => `String enum members need to consistently either all use initializers, or use no initializers, in enum \`${enumName}\`.`,
  GetterMayNotHaveThisParam: "A getter cannot have a `this` parameter.",
  ImportReflectionHasImportType: "An `import module` declaration can not use `type` or `typeof` keyword.",
  ImportTypeShorthandOnlyInPureImport: "The `type` and `typeof` keywords on named imports can only be used on regular `import` statements. It cannot be used with `import type` or `import typeof` statements.",
  InexactInsideExact: "Explicit inexact syntax cannot appear inside an explicit exact object type.",
  InexactInsideNonObject: "Explicit inexact syntax cannot appear in class or interface definitions.",
  InexactVariance: "Explicit inexact syntax cannot have variance.",
  InvalidNonTypeImportInDeclareModule: "Imports within a `declare module` body must always be `import type` or `import typeof`.",
  MissingTypeParamDefault: "Type parameter declaration needs a default, since a preceding type parameter declaration has a default.",
  NestedDeclareModule: "`declare module` cannot be used inside another `declare module`.",
  NestedFlowComment: "Cannot have a flow comment inside another flow comment.",
  PatternIsOptional: Object.assign({
    message: "A binding pattern parameter cannot be optional in an implementation signature."
  }, {
    reasonCode: "OptionalBindingPattern"
  }),
  SetterMayNotHaveThisParam: "A setter cannot have a `this` parameter.",
  SpreadVariance: "Spread properties cannot have variance.",
  ThisParamAnnotationRequired: "A type annotation is required for the `this` parameter.",
  ThisParamBannedInConstructor: "Constructors cannot have a `this` parameter; constructors don't bind `this` like other functions.",
  ThisParamMayNotBeOptional: "The `this` parameter cannot be optional.",
  ThisParamMustBeFirst: "The `this` parameter must be the first function parameter.",
  ThisParamNoDefault: "The `this` parameter may not have a default value.",
  TypeBeforeInitializer: "Type annotations must come before default assignments, e.g. instead of `age = 25: number` use `age: number = 25`.",
  TypeCastInPattern: "The type cast expression is expected to be wrapped with parenthesis.",
  UnexpectedExplicitInexactInObject: "Explicit inexact syntax must appear at the end of an inexact object.",
  UnexpectedReservedType: ({
    reservedType
  }) => `Unexpected reserved type ${reservedType}.`,
  UnexpectedReservedUnderscore: "`_` is only allowed as a type argument to call or new.",
  UnexpectedSpaceBetweenModuloChecks: "Spaces between `%` and `checks` are not allowed here.",
  UnexpectedSpreadType: "Spread operator cannot appear in class or interface definitions.",
  UnexpectedSubtractionOperand: 'Unexpected token, expected "number" or "bigint".',
  UnexpectedTokenAfterTypeParameter: "Expected an arrow function after this type parameter declaration.",
  UnexpectedTypeParameterBeforeAsyncArrowFunction: "Type parameters must come after the async keyword, e.g. instead of `<T> async () => {}`, use `async <T>() => {}`.",
  UnsupportedDeclareExportKind: ({
    unsupportedExportKind,
    suggestion
  }) => `\`declare export ${unsupportedExportKind}\` is not supported. Use \`${suggestion}\` instead.`,
  UnsupportedStatementInDeclareModule: "Only declares and type imports are allowed inside declare module.",
  UnterminatedFlowComment: "Unterminated flow-comment."
});
function isEsModuleType(bodyElement) {
  return bodyElement.type === "DeclareExportAllDeclaration" || bodyElement.type === "DeclareExportDeclaration" && (!bodyElement.declaration || bodyElement.declaration.type !== "TypeAlias" && bodyElement.declaration.type !== "InterfaceDeclaration");
}
function hasTypeImportKind(node) {
  return node.importKind === "type" || node.importKind === "typeof";
}
const exportSuggestions = {
  const: "declare export var",
  let: "declare export var",
  type: "export type",
  interface: "export interface"
};
function partition(list, test) {
  const list1 = [];
  const list2 = [];
  for (let i = 0; i < list.length; i++) {
    (test(list[i], i, list) ? list1 : list2).push(list[i]);
  }
  return [list1, list2];
}
const FLOW_PRAGMA_REGEX = /\*?\s*@((?:no)?flow)\b/;
var flow = superClass => class FlowParserMixin extends superClass {
  constructor(...args) {
    super(...args);
    this.flowPragma = undefined;
  }
  getScopeHandler() {
    return FlowScopeHandler;
  }
  shouldParseTypes() {
    return this.getPluginOption("flow", "all") || this.flowPragma === "flow";
  }
  finishToken(type, val) {
    if (type !== 134 && type !== 13 && type !== 28) {
      if (this.flowPragma === undefined) {
        this.flowPragma = null;
      }
    }
    super.finishToken(type, val);
  }
  addComment(comment) {
    if (this.flowPragma === undefined) {
      const matches = FLOW_PRAGMA_REGEX.exec(comment.value);
      if (!matches) ;else if (matches[1] === "flow") {
        this.flowPragma = "flow";
      } else if (matches[1] === "noflow") {
        this.flowPragma = "noflow";
      } else {
        throw new Error("Unexpected flow pragma");
      }
    }
    super.addComment(comment);
  }
  flowParseTypeInitialiser(tok) {
    const oldInType = this.state.inType;
    this.state.inType = true;
    this.expect(tok || 14);
    const type = this.flowParseType();
    this.state.inType = oldInType;
    return type;
  }
  flowParsePredicate() {
    const node = this.startNode();
    const moduloLoc = this.state.startLoc;
    this.next();
    this.expectContextual(110);
    if (this.state.lastTokStartLoc.index > moduloLoc.index + 1) {
      this.raise(FlowErrors.UnexpectedSpaceBetweenModuloChecks, moduloLoc);
    }
    if (this.eat(10)) {
      node.value = super.parseExpression();
      this.expect(11);
      return this.finishNode(node, "DeclaredPredicate");
    } else {
      return this.finishNode(node, "InferredPredicate");
    }
  }
  flowParseTypeAndPredicateInitialiser() {
    const oldInType = this.state.inType;
    this.state.inType = true;
    this.expect(14);
    let type = null;
    let predicate = null;
    if (this.match(54)) {
      this.state.inType = oldInType;
      predicate = this.flowParsePredicate();
    } else {
      type = this.flowParseType();
      this.state.inType = oldInType;
      if (this.match(54)) {
        predicate = this.flowParsePredicate();
      }
    }
    return [type, predicate];
  }
  flowParseDeclareClass(node) {
    this.next();
    this.flowParseInterfaceish(node, true);
    return this.finishNode(node, "DeclareClass");
  }
  flowParseDeclareFunction(node) {
    this.next();
    const id = node.id = this.parseIdentifier();
    const typeNode = this.startNode();
    const typeContainer = this.startNode();
    if (this.match(47)) {
      typeNode.typeParameters = this.flowParseTypeParameterDeclaration();
    } else {
      typeNode.typeParameters = null;
    }
    this.expect(10);
    const tmp = this.flowParseFunctionTypeParams();
    typeNode.params = tmp.params;
    typeNode.rest = tmp.rest;
    typeNode.this = tmp._this;
    this.expect(11);
    [typeNode.returnType, node.predicate] = this.flowParseTypeAndPredicateInitialiser();
    typeContainer.typeAnnotation = this.finishNode(typeNode, "FunctionTypeAnnotation");
    id.typeAnnotation = this.finishNode(typeContainer, "TypeAnnotation");
    this.resetEndLocation(id);
    this.semicolon();
    this.scope.declareName(node.id.name, 2048, node.id.loc.start);
    return this.finishNode(node, "DeclareFunction");
  }
  flowParseDeclare(node, insideModule) {
    if (this.match(80)) {
      return this.flowParseDeclareClass(node);
    } else if (this.match(68)) {
      return this.flowParseDeclareFunction(node);
    } else if (this.match(74)) {
      return this.flowParseDeclareVariable(node);
    } else if (this.eatContextual(127)) {
      if (this.match(16)) {
        return this.flowParseDeclareModuleExports(node);
      } else {
        if (insideModule) {
          this.raise(FlowErrors.NestedDeclareModule, this.state.lastTokStartLoc);
        }
        return this.flowParseDeclareModule(node);
      }
    } else if (this.isContextual(130)) {
      return this.flowParseDeclareTypeAlias(node);
    } else if (this.isContextual(131)) {
      return this.flowParseDeclareOpaqueType(node);
    } else if (this.isContextual(129)) {
      return this.flowParseDeclareInterface(node);
    } else if (this.match(82)) {
      return this.flowParseDeclareExportDeclaration(node, insideModule);
    } else {
      this.unexpected();
    }
  }
  flowParseDeclareVariable(node) {
    this.next();
    node.id = this.flowParseTypeAnnotatableIdentifier(true);
    this.scope.declareName(node.id.name, 5, node.id.loc.start);
    this.semicolon();
    return this.finishNode(node, "DeclareVariable");
  }
  flowParseDeclareModule(node) {
    this.scope.enter(0);
    if (this.match(134)) {
      node.id = super.parseExprAtom();
    } else {
      node.id = this.parseIdentifier();
    }
    const bodyNode = node.body = this.startNode();
    const body = bodyNode.body = [];
    this.expect(5);
    while (!this.match(8)) {
      let bodyNode = this.startNode();
      if (this.match(83)) {
        this.next();
        if (!this.isContextual(130) && !this.match(87)) {
          this.raise(FlowErrors.InvalidNonTypeImportInDeclareModule, this.state.lastTokStartLoc);
        }
        super.parseImport(bodyNode);
      } else {
        this.expectContextual(125, FlowErrors.UnsupportedStatementInDeclareModule);
        bodyNode = this.flowParseDeclare(bodyNode, true);
      }
      body.push(bodyNode);
    }
    this.scope.exit();
    this.expect(8);
    this.finishNode(bodyNode, "BlockStatement");
    let kind = null;
    let hasModuleExport = false;
    body.forEach(bodyElement => {
      if (isEsModuleType(bodyElement)) {
        if (kind === "CommonJS") {
          this.raise(FlowErrors.AmbiguousDeclareModuleKind, bodyElement);
        }
        kind = "ES";
      } else if (bodyElement.type === "DeclareModuleExports") {
        if (hasModuleExport) {
          this.raise(FlowErrors.DuplicateDeclareModuleExports, bodyElement);
        }
        if (kind === "ES") {
          this.raise(FlowErrors.AmbiguousDeclareModuleKind, bodyElement);
        }
        kind = "CommonJS";
        hasModuleExport = true;
      }
    });
    node.kind = kind || "CommonJS";
    return this.finishNode(node, "DeclareModule");
  }
  flowParseDeclareExportDeclaration(node, insideModule) {
    this.expect(82);
    if (this.eat(65)) {
      if (this.match(68) || this.match(80)) {
        node.declaration = this.flowParseDeclare(this.startNode());
      } else {
        node.declaration = this.flowParseType();
        this.semicolon();
      }
      node.default = true;
      return this.finishNode(node, "DeclareExportDeclaration");
    } else {
      if (this.match(75) || this.isLet() || (this.isContextual(130) || this.isContextual(129)) && !insideModule) {
        const label = this.state.value;
        throw this.raise(FlowErrors.UnsupportedDeclareExportKind, this.state.startLoc, {
          unsupportedExportKind: label,
          suggestion: exportSuggestions[label]
        });
      }
      if (this.match(74) || this.match(68) || this.match(80) || this.isContextual(131)) {
        node.declaration = this.flowParseDeclare(this.startNode());
        node.default = false;
        return this.finishNode(node, "DeclareExportDeclaration");
      } else if (this.match(55) || this.match(5) || this.isContextual(129) || this.isContextual(130) || this.isContextual(131)) {
        node = this.parseExport(node, null);
        if (node.type === "ExportNamedDeclaration") {
          node.type = "ExportDeclaration";
          node.default = false;
          delete node.exportKind;
        }
        node.type = "Declare" + node.type;
        return node;
      }
    }
    this.unexpected();
  }
  flowParseDeclareModuleExports(node) {
    this.next();
    this.expectContextual(111);
    node.typeAnnotation = this.flowParseTypeAnnotation();
    this.semicolon();
    return this.finishNode(node, "DeclareModuleExports");
  }
  flowParseDeclareTypeAlias(node) {
    this.next();
    const finished = this.flowParseTypeAlias(node);
    finished.type = "DeclareTypeAlias";
    return finished;
  }
  flowParseDeclareOpaqueType(node) {
    this.next();
    const finished = this.flowParseOpaqueType(node, true);
    finished.type = "DeclareOpaqueType";
    return finished;
  }
  flowParseDeclareInterface(node) {
    this.next();
    this.flowParseInterfaceish(node, false);
    return this.finishNode(node, "DeclareInterface");
  }
  flowParseInterfaceish(node, isClass) {
    node.id = this.flowParseRestrictedIdentifier(!isClass, true);
    this.scope.declareName(node.id.name, isClass ? 17 : 8201, node.id.loc.start);
    if (this.match(47)) {
      node.typeParameters = this.flowParseTypeParameterDeclaration();
    } else {
      node.typeParameters = null;
    }
    node.extends = [];
    if (this.eat(81)) {
      do {
        node.extends.push(this.flowParseInterfaceExtends());
      } while (!isClass && this.eat(12));
    }
    if (isClass) {
      node.implements = [];
      node.mixins = [];
      if (this.eatContextual(117)) {
        do {
          node.mixins.push(this.flowParseInterfaceExtends());
        } while (this.eat(12));
      }
      if (this.eatContextual(113)) {
        do {
          node.implements.push(this.flowParseInterfaceExtends());
        } while (this.eat(12));
      }
    }
    node.body = this.flowParseObjectType({
      allowStatic: isClass,
      allowExact: false,
      allowSpread: false,
      allowProto: isClass,
      allowInexact: false
    });
  }
  flowParseInterfaceExtends() {
    const node = this.startNode();
    node.id = this.flowParseQualifiedTypeIdentifier();
    if (this.match(47)) {
      node.typeParameters = this.flowParseTypeParameterInstantiation();
    } else {
      node.typeParameters = null;
    }
    return this.finishNode(node, "InterfaceExtends");
  }
  flowParseInterface(node) {
    this.flowParseInterfaceish(node, false);
    return this.finishNode(node, "InterfaceDeclaration");
  }
  checkNotUnderscore(word) {
    if (word === "_") {
      this.raise(FlowErrors.UnexpectedReservedUnderscore, this.state.startLoc);
    }
  }
  checkReservedType(word, startLoc, declaration) {
    if (!reservedTypes.has(word)) return;
    this.raise(declaration ? FlowErrors.AssignReservedType : FlowErrors.UnexpectedReservedType, startLoc, {
      reservedType: word
    });
  }
  flowParseRestrictedIdentifier(liberal, declaration) {
    this.checkReservedType(this.state.value, this.state.startLoc, declaration);
    return this.parseIdentifier(liberal);
  }
  flowParseTypeAlias(node) {
    node.id = this.flowParseRestrictedIdentifier(false, true);
    this.scope.declareName(node.id.name, 8201, node.id.loc.start);
    if (this.match(47)) {
      node.typeParameters = this.flowParseTypeParameterDeclaration();
    } else {
      node.typeParameters = null;
    }
    node.right = this.flowParseTypeInitialiser(29);
    this.semicolon();
    return this.finishNode(node, "TypeAlias");
  }
  flowParseOpaqueType(node, declare) {
    this.expectContextual(130);
    node.id = this.flowParseRestrictedIdentifier(true, true);
    this.scope.declareName(node.id.name, 8201, node.id.loc.start);
    if (this.match(47)) {
      node.typeParameters = this.flowParseTypeParameterDeclaration();
    } else {
      node.typeParameters = null;
    }
    node.supertype = null;
    if (this.match(14)) {
      node.supertype = this.flowParseTypeInitialiser(14);
    }
    node.impltype = null;
    if (!declare) {
      node.impltype = this.flowParseTypeInitialiser(29);
    }
    this.semicolon();
    return this.finishNode(node, "OpaqueType");
  }
  flowParseTypeParameter(requireDefault = false) {
    const nodeStartLoc = this.state.startLoc;
    const node = this.startNode();
    const variance = this.flowParseVariance();
    const ident = this.flowParseTypeAnnotatableIdentifier();
    node.name = ident.name;
    node.variance = variance;
    node.bound = ident.typeAnnotation;
    if (this.match(29)) {
      this.eat(29);
      node.default = this.flowParseType();
    } else {
      if (requireDefault) {
        this.raise(FlowErrors.MissingTypeParamDefault, nodeStartLoc);
      }
    }
    return this.finishNode(node, "TypeParameter");
  }
  flowParseTypeParameterDeclaration() {
    const oldInType = this.state.inType;
    const node = this.startNode();
    node.params = [];
    this.state.inType = true;
    if (this.match(47) || this.match(143)) {
      this.next();
    } else {
      this.unexpected();
    }
    let defaultRequired = false;
    do {
      const typeParameter = this.flowParseTypeParameter(defaultRequired);
      node.params.push(typeParameter);
      if (typeParameter.default) {
        defaultRequired = true;
      }
      if (!this.match(48)) {
        this.expect(12);
      }
    } while (!this.match(48));
    this.expect(48);
    this.state.inType = oldInType;
    return this.finishNode(node, "TypeParameterDeclaration");
  }
  flowParseTypeParameterInstantiation() {
    const node = this.startNode();
    const oldInType = this.state.inType;
    node.params = [];
    this.state.inType = true;
    this.expect(47);
    const oldNoAnonFunctionType = this.state.noAnonFunctionType;
    this.state.noAnonFunctionType = false;
    while (!this.match(48)) {
      node.params.push(this.flowParseType());
      if (!this.match(48)) {
        this.expect(12);
      }
    }
    this.state.noAnonFunctionType = oldNoAnonFunctionType;
    this.expect(48);
    this.state.inType = oldInType;
    return this.finishNode(node, "TypeParameterInstantiation");
  }
  flowParseTypeParameterInstantiationCallOrNew() {
    const node = this.startNode();
    const oldInType = this.state.inType;
    node.para