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2025-04-17 07:44:37 -04:00
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'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
var acorn = require('acorn');
var jsx = require('acorn-jsx');
var visitorKeys = require('eslint-visitor-keys');
function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
function _interopNamespace(e) {
if (e && e.__esModule) return e;
var n = Object.create(null);
if (e) {
Object.keys(e).forEach(function (k) {
if (k !== 'default') {
var d = Object.getOwnPropertyDescriptor(e, k);
Object.defineProperty(n, k, d.get ? d : {
enumerable: true,
get: function () { return e[k]; }
});
}
});
}
n["default"] = e;
return Object.freeze(n);
}
var acorn__namespace = /*#__PURE__*/_interopNamespace(acorn);
var jsx__default = /*#__PURE__*/_interopDefaultLegacy(jsx);
var visitorKeys__namespace = /*#__PURE__*/_interopNamespace(visitorKeys);
/**
* @fileoverview Translates tokens between Acorn format and Esprima format.
* @author Nicholas C. Zakas
*/
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
// none!
//------------------------------------------------------------------------------
// Private
//------------------------------------------------------------------------------
// Esprima Token Types
const Token = {
Boolean: "Boolean",
EOF: "<end>",
Identifier: "Identifier",
PrivateIdentifier: "PrivateIdentifier",
Keyword: "Keyword",
Null: "Null",
Numeric: "Numeric",
Punctuator: "Punctuator",
String: "String",
RegularExpression: "RegularExpression",
Template: "Template",
JSXIdentifier: "JSXIdentifier",
JSXText: "JSXText"
};
/**
* Converts part of a template into an Esprima token.
* @param {AcornToken[]} tokens The Acorn tokens representing the template.
* @param {string} code The source code.
* @returns {EsprimaToken} The Esprima equivalent of the template token.
* @private
*/
function convertTemplatePart(tokens, code) {
const firstToken = tokens[0],
lastTemplateToken = tokens.at(-1);
const token = {
type: Token.Template,
value: code.slice(firstToken.start, lastTemplateToken.end)
};
if (firstToken.loc) {
token.loc = {
start: firstToken.loc.start,
end: lastTemplateToken.loc.end
};
}
if (firstToken.range) {
token.start = firstToken.range[0];
token.end = lastTemplateToken.range[1];
token.range = [token.start, token.end];
}
return token;
}
/**
* Contains logic to translate Acorn tokens into Esprima tokens.
* @param {Object} acornTokTypes The Acorn token types.
* @param {string} code The source code Acorn is parsing. This is necessary
* to correct the "value" property of some tokens.
* @constructor
*/
function TokenTranslator(acornTokTypes, code) {
// token types
this._acornTokTypes = acornTokTypes;
// token buffer for templates
this._tokens = [];
// track the last curly brace
this._curlyBrace = null;
// the source code
this._code = code;
}
TokenTranslator.prototype = {
constructor: TokenTranslator,
/**
* Translates a single Esprima token to a single Acorn token. This may be
* inaccurate due to how templates are handled differently in Esprima and
* Acorn, but should be accurate for all other tokens.
* @param {AcornToken} token The Acorn token to translate.
* @param {Object} extra Espree extra object.
* @returns {EsprimaToken} The Esprima version of the token.
*/
translate(token, extra) {
const type = token.type,
tt = this._acornTokTypes;
if (type === tt.name) {
token.type = Token.Identifier;
// TODO: See if this is an Acorn bug
if (token.value === "static") {
token.type = Token.Keyword;
}
if (extra.ecmaVersion > 5 && (token.value === "yield" || token.value === "let")) {
token.type = Token.Keyword;
}
} else if (type === tt.privateId) {
token.type = Token.PrivateIdentifier;
} else if (type === tt.semi || type === tt.comma ||
type === tt.parenL || type === tt.parenR ||
type === tt.braceL || type === tt.braceR ||
type === tt.dot || type === tt.bracketL ||
type === tt.colon || type === tt.question ||
type === tt.bracketR || type === tt.ellipsis ||
type === tt.arrow || type === tt.jsxTagStart ||
type === tt.incDec || type === tt.starstar ||
type === tt.jsxTagEnd || type === tt.prefix ||
type === tt.questionDot ||
(type.binop && !type.keyword) ||
type.isAssign) {
token.type = Token.Punctuator;
token.value = this._code.slice(token.start, token.end);
} else if (type === tt.jsxName) {
token.type = Token.JSXIdentifier;
} else if (type.label === "jsxText" || type === tt.jsxAttrValueToken) {
token.type = Token.JSXText;
} else if (type.keyword) {
if (type.keyword === "true" || type.keyword === "false") {
token.type = Token.Boolean;
} else if (type.keyword === "null") {
token.type = Token.Null;
} else {
token.type = Token.Keyword;
}
} else if (type === tt.num) {
token.type = Token.Numeric;
token.value = this._code.slice(token.start, token.end);
} else if (type === tt.string) {
if (extra.jsxAttrValueToken) {
extra.jsxAttrValueToken = false;
token.type = Token.JSXText;
} else {
token.type = Token.String;
}
token.value = this._code.slice(token.start, token.end);
} else if (type === tt.regexp) {
token.type = Token.RegularExpression;
const value = token.value;
token.regex = {
flags: value.flags,
pattern: value.pattern
};
token.value = `/${value.pattern}/${value.flags}`;
}
return token;
},
/**
* Function to call during Acorn's onToken handler.
* @param {AcornToken} token The Acorn token.
* @param {Object} extra The Espree extra object.
* @returns {void}
*/
onToken(token, extra) {
const tt = this._acornTokTypes,
tokens = extra.tokens,
templateTokens = this._tokens;
/**
* Flushes the buffered template tokens and resets the template
* tracking.
* @returns {void}
* @private
*/
const translateTemplateTokens = () => {
tokens.push(convertTemplatePart(this._tokens, this._code));
this._tokens = [];
};
if (token.type === tt.eof) {
// might be one last curlyBrace
if (this._curlyBrace) {
tokens.push(this.translate(this._curlyBrace, extra));
}
return;
}
if (token.type === tt.backQuote) {
// if there's already a curly, it's not part of the template
if (this._curlyBrace) {
tokens.push(this.translate(this._curlyBrace, extra));
this._curlyBrace = null;
}
templateTokens.push(token);
// it's the end
if (templateTokens.length > 1) {
translateTemplateTokens();
}
return;
}
if (token.type === tt.dollarBraceL) {
templateTokens.push(token);
translateTemplateTokens();
return;
}
if (token.type === tt.braceR) {
// if there's already a curly, it's not part of the template
if (this._curlyBrace) {
tokens.push(this.translate(this._curlyBrace, extra));
}
// store new curly for later
this._curlyBrace = token;
return;
}
if (token.type === tt.template || token.type === tt.invalidTemplate) {
if (this._curlyBrace) {
templateTokens.push(this._curlyBrace);
this._curlyBrace = null;
}
templateTokens.push(token);
return;
}
if (this._curlyBrace) {
tokens.push(this.translate(this._curlyBrace, extra));
this._curlyBrace = null;
}
tokens.push(this.translate(token, extra));
}
};
/**
* @fileoverview A collection of methods for processing Espree's options.
* @author Kai Cataldo
*/
//------------------------------------------------------------------------------
// Helpers
//------------------------------------------------------------------------------
const SUPPORTED_VERSIONS = [
3,
5,
6, // 2015
7, // 2016
8, // 2017
9, // 2018
10, // 2019
11, // 2020
12, // 2021
13, // 2022
14, // 2023
15, // 2024
16 // 2025
];
/**
* Get the latest ECMAScript version supported by Espree.
* @returns {number} The latest ECMAScript version.
*/
function getLatestEcmaVersion() {
return SUPPORTED_VERSIONS.at(-1);
}
/**
* Get the list of ECMAScript versions supported by Espree.
* @returns {number[]} An array containing the supported ECMAScript versions.
*/
function getSupportedEcmaVersions() {
return [...SUPPORTED_VERSIONS];
}
/**
* Normalize ECMAScript version from the initial config
* @param {(number|"latest")} ecmaVersion ECMAScript version from the initial config
* @throws {Error} throws an error if the ecmaVersion is invalid.
* @returns {number} normalized ECMAScript version
*/
function normalizeEcmaVersion(ecmaVersion = 5) {
let version = ecmaVersion === "latest" ? getLatestEcmaVersion() : ecmaVersion;
if (typeof version !== "number") {
throw new Error(`ecmaVersion must be a number or "latest". Received value of type ${typeof ecmaVersion} instead.`);
}
// Calculate ECMAScript edition number from official year version starting with
// ES2015, which corresponds with ES6 (or a difference of 2009).
if (version >= 2015) {
version -= 2009;
}
if (!SUPPORTED_VERSIONS.includes(version)) {
throw new Error("Invalid ecmaVersion.");
}
return version;
}
/**
* Normalize sourceType from the initial config
* @param {string} sourceType to normalize
* @throws {Error} throw an error if sourceType is invalid
* @returns {string} normalized sourceType
*/
function normalizeSourceType(sourceType = "script") {
if (sourceType === "script" || sourceType === "module") {
return sourceType;
}
if (sourceType === "commonjs") {
return "script";
}
throw new Error("Invalid sourceType.");
}
/**
* Normalize parserOptions
* @param {Object} options the parser options to normalize
* @throws {Error} throw an error if found invalid option.
* @returns {Object} normalized options
*/
function normalizeOptions(options) {
const ecmaVersion = normalizeEcmaVersion(options.ecmaVersion);
const sourceType = normalizeSourceType(options.sourceType);
const ranges = options.range === true;
const locations = options.loc === true;
if (ecmaVersion !== 3 && options.allowReserved) {
// a value of `false` is intentionally allowed here, so a shared config can overwrite it when needed
throw new Error("`allowReserved` is only supported when ecmaVersion is 3");
}
if (typeof options.allowReserved !== "undefined" && typeof options.allowReserved !== "boolean") {
throw new Error("`allowReserved`, when present, must be `true` or `false`");
}
const allowReserved = ecmaVersion === 3 ? (options.allowReserved || "never") : false;
const ecmaFeatures = options.ecmaFeatures || {};
const allowReturnOutsideFunction = options.sourceType === "commonjs" ||
Boolean(ecmaFeatures.globalReturn);
if (sourceType === "module" && ecmaVersion < 6) {
throw new Error("sourceType 'module' is not supported when ecmaVersion < 2015. Consider adding `{ ecmaVersion: 2015 }` to the parser options.");
}
return Object.assign({}, options, {
ecmaVersion,
sourceType,
ranges,
locations,
allowReserved,
allowReturnOutsideFunction
});
}
/* eslint no-param-reassign: 0 -- stylistic choice */
const STATE = Symbol("espree's internal state");
const ESPRIMA_FINISH_NODE = Symbol("espree's esprimaFinishNode");
/**
* Converts an Acorn comment to a Esprima comment.
* @param {boolean} block True if it's a block comment, false if not.
* @param {string} text The text of the comment.
* @param {int} start The index at which the comment starts.
* @param {int} end The index at which the comment ends.
* @param {Location} startLoc The location at which the comment starts.
* @param {Location} endLoc The location at which the comment ends.
* @param {string} code The source code being parsed.
* @returns {Object} The comment object.
* @private
*/
function convertAcornCommentToEsprimaComment(block, text, start, end, startLoc, endLoc, code) {
let type;
if (block) {
type = "Block";
} else if (code.slice(start, start + 2) === "#!") {
type = "Hashbang";
} else {
type = "Line";
}
const comment = {
type,
value: text
};
if (typeof start === "number") {
comment.start = start;
comment.end = end;
comment.range = [start, end];
}
if (typeof startLoc === "object") {
comment.loc = {
start: startLoc,
end: endLoc
};
}
return comment;
}
var espree = () => Parser => {
const tokTypes = Object.assign({}, Parser.acorn.tokTypes);
if (Parser.acornJsx) {
Object.assign(tokTypes, Parser.acornJsx.tokTypes);
}
return class Espree extends Parser {
constructor(opts, code) {
if (typeof opts !== "object" || opts === null) {
opts = {};
}
if (typeof code !== "string" && !(code instanceof String)) {
code = String(code);
}
// save original source type in case of commonjs
const originalSourceType = opts.sourceType;
const options = normalizeOptions(opts);
const ecmaFeatures = options.ecmaFeatures || {};
const tokenTranslator =
options.tokens === true
? new TokenTranslator(tokTypes, code)
: null;
/*
* Data that is unique to Espree and is not represented internally
* in Acorn.
*
* For ES2023 hashbangs, Espree will call `onComment()` during the
* constructor, so we must define state before having access to
* `this`.
*/
const state = {
originalSourceType: originalSourceType || options.sourceType,
tokens: tokenTranslator ? [] : null,
comments: options.comment === true ? [] : null,
impliedStrict: ecmaFeatures.impliedStrict === true && options.ecmaVersion >= 5,
ecmaVersion: options.ecmaVersion,
jsxAttrValueToken: false,
lastToken: null,
templateElements: []
};
// Initialize acorn parser.
super({
// do not use spread, because we don't want to pass any unknown options to acorn
ecmaVersion: options.ecmaVersion,
sourceType: options.sourceType,
ranges: options.ranges,
locations: options.locations,
allowReserved: options.allowReserved,
// Truthy value is true for backward compatibility.
allowReturnOutsideFunction: options.allowReturnOutsideFunction,
// Collect tokens
onToken(token) {
if (tokenTranslator) {
// Use `tokens`, `ecmaVersion`, and `jsxAttrValueToken` in the state.
tokenTranslator.onToken(token, state);
}
if (token.type !== tokTypes.eof) {
state.lastToken = token;
}
},
// Collect comments
onComment(block, text, start, end, startLoc, endLoc) {
if (state.comments) {
const comment = convertAcornCommentToEsprimaComment(block, text, start, end, startLoc, endLoc, code);
state.comments.push(comment);
}
}
}, code);
/*
* We put all of this data into a symbol property as a way to avoid
* potential naming conflicts with future versions of Acorn.
*/
this[STATE] = state;
}
tokenize() {
do {
this.next();
} while (this.type !== tokTypes.eof);
// Consume the final eof token
this.next();
const extra = this[STATE];
const tokens = extra.tokens;
if (extra.comments) {
tokens.comments = extra.comments;
}
return tokens;
}
finishNode(...args) {
const result = super.finishNode(...args);
return this[ESPRIMA_FINISH_NODE](result);
}
finishNodeAt(...args) {
const result = super.finishNodeAt(...args);
return this[ESPRIMA_FINISH_NODE](result);
}
parse() {
const extra = this[STATE];
const program = super.parse();
program.sourceType = extra.originalSourceType;
if (extra.comments) {
program.comments = extra.comments;
}
if (extra.tokens) {
program.tokens = extra.tokens;
}
/*
* Adjust opening and closing position of program to match Esprima.
* Acorn always starts programs at range 0 whereas Esprima starts at the
* first AST node's start (the only real difference is when there's leading
* whitespace or leading comments). Acorn also counts trailing whitespace
* as part of the program whereas Esprima only counts up to the last token.
*/
if (program.body.length) {
const [firstNode] = program.body;
if (program.range) {
program.range[0] = firstNode.range[0];
}
if (program.loc) {
program.loc.start = firstNode.loc.start;
}
program.start = firstNode.start;
}
if (extra.lastToken) {
if (program.range) {
program.range[1] = extra.lastToken.range[1];
}
if (program.loc) {
program.loc.end = extra.lastToken.loc.end;
}
program.end = extra.lastToken.end;
}
/*
* https://github.com/eslint/espree/issues/349
* Ensure that template elements have correct range information.
* This is one location where Acorn produces a different value
* for its start and end properties vs. the values present in the
* range property. In order to avoid confusion, we set the start
* and end properties to the values that are present in range.
* This is done here, instead of in finishNode(), because Acorn
* uses the values of start and end internally while parsing, making
* it dangerous to change those values while parsing is ongoing.
* By waiting until the end of parsing, we can safely change these
* values without affect any other part of the process.
*/
this[STATE].templateElements.forEach(templateElement => {
const startOffset = -1;
const endOffset = templateElement.tail ? 1 : 2;
templateElement.start += startOffset;
templateElement.end += endOffset;
if (templateElement.range) {
templateElement.range[0] += startOffset;
templateElement.range[1] += endOffset;
}
if (templateElement.loc) {
templateElement.loc.start.column += startOffset;
templateElement.loc.end.column += endOffset;
}
});
return program;
}
parseTopLevel(node) {
if (this[STATE].impliedStrict) {
this.strict = true;
}
return super.parseTopLevel(node);
}
/**
* Overwrites the default raise method to throw Esprima-style errors.
* @param {int} pos The position of the error.
* @param {string} message The error message.
* @throws {SyntaxError} A syntax error.
* @returns {void}
*/
raise(pos, message) {
const loc = Parser.acorn.getLineInfo(this.input, pos);
const err = new SyntaxError(message);
err.index = pos;
err.lineNumber = loc.line;
err.column = loc.column + 1; // acorn uses 0-based columns
throw err;
}
/**
* Overwrites the default raise method to throw Esprima-style errors.
* @param {int} pos The position of the error.
* @param {string} message The error message.
* @throws {SyntaxError} A syntax error.
* @returns {void}
*/
raiseRecoverable(pos, message) {
this.raise(pos, message);
}
/**
* Overwrites the default unexpected method to throw Esprima-style errors.
* @param {int} pos The position of the error.
* @throws {SyntaxError} A syntax error.
* @returns {void}
*/
unexpected(pos) {
let message = "Unexpected token";
if (pos !== null && pos !== void 0) {
this.pos = pos;
if (this.options.locations) {
while (this.pos < this.lineStart) {
this.lineStart = this.input.lastIndexOf("\n", this.lineStart - 2) + 1;
--this.curLine;
}
}
this.nextToken();
}
if (this.end > this.start) {
message += ` ${this.input.slice(this.start, this.end)}`;
}
this.raise(this.start, message);
}
/*
* Esprima-FB represents JSX strings as tokens called "JSXText", but Acorn-JSX
* uses regular tt.string without any distinction between this and regular JS
* strings. As such, we intercept an attempt to read a JSX string and set a flag
* on extra so that when tokens are converted, the next token will be switched
* to JSXText via onToken.
*/
jsx_readString(quote) { // eslint-disable-line camelcase -- required by API
const result = super.jsx_readString(quote);
if (this.type === tokTypes.string) {
this[STATE].jsxAttrValueToken = true;
}
return result;
}
/**
* Performs last-minute Esprima-specific compatibility checks and fixes.
* @param {ASTNode} result The node to check.
* @returns {ASTNode} The finished node.
*/
[ESPRIMA_FINISH_NODE](result) {
// Acorn doesn't count the opening and closing backticks as part of templates
// so we have to adjust ranges/locations appropriately.
if (result.type === "TemplateElement") {
// save template element references to fix start/end later
this[STATE].templateElements.push(result);
}
if (result.type.includes("Function") && !result.generator) {
result.generator = false;
}
return result;
}
};
};
const version$1 = "10.3.0";
/**
* @fileoverview Main Espree file that converts Acorn into Esprima output.
*
* This file contains code from the following MIT-licensed projects:
* 1. Acorn
* 2. Babylon
* 3. Babel-ESLint
*
* This file also contains code from Esprima, which is BSD licensed.
*
* Acorn is Copyright 2012-2015 Acorn Contributors (https://github.com/marijnh/acorn/blob/master/AUTHORS)
* Babylon is Copyright 2014-2015 various contributors (https://github.com/babel/babel/blob/master/packages/babylon/AUTHORS)
* Babel-ESLint is Copyright 2014-2015 Sebastian McKenzie <sebmck@gmail.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Esprima is Copyright (c) jQuery Foundation, Inc. and Contributors, All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
// To initialize lazily.
const parsers = {
_regular: null,
_jsx: null,
get regular() {
if (this._regular === null) {
this._regular = acorn__namespace.Parser.extend(espree());
}
return this._regular;
},
get jsx() {
if (this._jsx === null) {
this._jsx = acorn__namespace.Parser.extend(jsx__default["default"](), espree());
}
return this._jsx;
},
get(options) {
const useJsx = Boolean(
options &&
options.ecmaFeatures &&
options.ecmaFeatures.jsx
);
return useJsx ? this.jsx : this.regular;
}
};
//------------------------------------------------------------------------------
// Tokenizer
//------------------------------------------------------------------------------
/**
* Tokenizes the given code.
* @param {string} code The code to tokenize.
* @param {Object} options Options defining how to tokenize.
* @returns {Token[]} An array of tokens.
* @throws {SyntaxError} If the input code is invalid.
* @private
*/
function tokenize(code, options) {
const Parser = parsers.get(options);
// Ensure to collect tokens.
if (!options || options.tokens !== true) {
options = Object.assign({}, options, { tokens: true }); // eslint-disable-line no-param-reassign -- stylistic choice
}
return new Parser(options, code).tokenize();
}
//------------------------------------------------------------------------------
// Parser
//------------------------------------------------------------------------------
/**
* Parses the given code.
* @param {string} code The code to tokenize.
* @param {Object} options Options defining how to tokenize.
* @returns {ASTNode} The "Program" AST node.
* @throws {SyntaxError} If the input code is invalid.
*/
function parse(code, options) {
const Parser = parsers.get(options);
return new Parser(options, code).parse();
}
//------------------------------------------------------------------------------
// Public
//------------------------------------------------------------------------------
const version = version$1;
const name = "espree";
/* istanbul ignore next */
const VisitorKeys = (function() {
return visitorKeys__namespace.KEYS;
}());
// Derive node types from VisitorKeys
/* istanbul ignore next */
const Syntax = (function() {
let key,
types = {};
if (typeof Object.create === "function") {
types = Object.create(null);
}
for (key in VisitorKeys) {
if (Object.hasOwn(VisitorKeys, key)) {
types[key] = key;
}
}
if (typeof Object.freeze === "function") {
Object.freeze(types);
}
return types;
}());
const latestEcmaVersion = getLatestEcmaVersion();
const supportedEcmaVersions = getSupportedEcmaVersions();
exports.Syntax = Syntax;
exports.VisitorKeys = VisitorKeys;
exports.latestEcmaVersion = latestEcmaVersion;
exports.name = name;
exports.parse = parse;
exports.supportedEcmaVersions = supportedEcmaVersions;
exports.tokenize = tokenize;
exports.version = version;