Time slots app prototype
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import { tokenizer } from 'acorn';
import { builtinModules, createRequire } from 'node:module';
import fs, { realpathSync, statSync, Stats, promises, existsSync } from 'node:fs';
import { fileURLToPath as fileURLToPath$1, URL as URL$1, pathToFileURL } from 'node:url';
import { joinURL } from 'ufo';
import { isAbsolute, extname } from 'pathe';
import assert from 'node:assert';
import process$1 from 'node:process';
import path, { dirname } from 'node:path';
import v8 from 'node:v8';
import { format, inspect } from 'node:util';
import { readPackageJSON } from 'pkg-types';
const BUILTIN_MODULES = new Set(builtinModules);
function normalizeSlash(string_) {
return string_.replace(/\\/g, "/");
}
function pcall(function_, ...arguments_) {
try {
return Promise.resolve(function_(...arguments_)).catch(
(error) => perr(error)
);
} catch (error) {
return perr(error);
}
}
function perr(_error) {
const error = new Error(_error);
error.code = _error.code;
Error.captureStackTrace(error, pcall);
return Promise.reject(error);
}
function isObject(value) {
return value !== null && typeof value === "object";
}
function matchAll(regex, string, addition) {
const matches = [];
for (const match of string.matchAll(regex)) {
matches.push({
...addition,
...match.groups,
code: match[0],
start: match.index,
end: match.index + match[0].length
});
}
return matches;
}
/**
* @typedef ErrnoExceptionFields
* @property {number | undefined} [errnode]
* @property {string | undefined} [code]
* @property {string | undefined} [path]
* @property {string | undefined} [syscall]
* @property {string | undefined} [url]
*
* @typedef {Error & ErrnoExceptionFields} ErrnoException
*/
const isWindows = process$1.platform === 'win32';
const own$1 = {}.hasOwnProperty;
const codes = {};
/**
* Create a list string in the form like 'A and B' or 'A, B, ..., and Z'.
* We cannot use Intl.ListFormat because it's not available in
* --without-intl builds.
*
* @param {Array<string>} array
* An array of strings.
* @param {string} [type]
* The list type to be inserted before the last element.
* @returns {string}
*/
function formatList(array, type = 'and') {
return array.length < 3
? array.join(` ${type} `)
: `${array.slice(0, -1).join(', ')}, ${type} ${array[array.length - 1]}`
}
/** @type {Map<string, MessageFunction|string>} */
const messages = new Map();
const nodeInternalPrefix = '__node_internal_';
/** @type {number} */
let userStackTraceLimit;
codes.ERR_INVALID_MODULE_SPECIFIER = createError(
'ERR_INVALID_MODULE_SPECIFIER',
/**
* @param {string} request
* @param {string} reason
* @param {string} [base]
*/
(request, reason, base = undefined) => {
return `Invalid module "${request}" ${reason}${
base ? ` imported from ${base}` : ''
}`
},
TypeError
);
codes.ERR_INVALID_PACKAGE_CONFIG = createError(
'ERR_INVALID_PACKAGE_CONFIG',
/**
* @param {string} path
* @param {string} [base]
* @param {string} [message]
*/
(path, base, message) => {
return `Invalid package config ${path}${
base ? ` while importing ${base}` : ''
}${message ? `. ${message}` : ''}`
},
Error
);
codes.ERR_INVALID_PACKAGE_TARGET = createError(
'ERR_INVALID_PACKAGE_TARGET',
/**
* @param {string} pkgPath
* @param {string} key
* @param {unknown} target
* @param {boolean} [isImport=false]
* @param {string} [base]
*/
(pkgPath, key, target, isImport = false, base = undefined) => {
const relError =
typeof target === 'string' &&
!isImport &&
target.length > 0 &&
!target.startsWith('./');
if (key === '.') {
assert(isImport === false);
return (
`Invalid "exports" main target ${JSON.stringify(target)} defined ` +
`in the package config ${pkgPath}package.json${
base ? ` imported from ${base}` : ''
}${relError ? '; targets must start with "./"' : ''}`
)
}
return `Invalid "${
isImport ? 'imports' : 'exports'
}" target ${JSON.stringify(
target
)} defined for '${key}' in the package config ${pkgPath}package.json${
base ? ` imported from ${base}` : ''
}${relError ? '; targets must start with "./"' : ''}`
},
Error
);
codes.ERR_MODULE_NOT_FOUND = createError(
'ERR_MODULE_NOT_FOUND',
/**
* @param {string} path
* @param {string} base
* @param {string} [type]
*/
(path, base, type = 'package') => {
return `Cannot find ${type} '${path}' imported from ${base}`
},
Error
);
codes.ERR_NETWORK_IMPORT_DISALLOWED = createError(
'ERR_NETWORK_IMPORT_DISALLOWED',
"import of '%s' by %s is not supported: %s",
Error
);
codes.ERR_PACKAGE_IMPORT_NOT_DEFINED = createError(
'ERR_PACKAGE_IMPORT_NOT_DEFINED',
/**
* @param {string} specifier
* @param {string} packagePath
* @param {string} base
*/
(specifier, packagePath, base) => {
return `Package import specifier "${specifier}" is not defined${
packagePath ? ` in package ${packagePath}package.json` : ''
} imported from ${base}`
},
TypeError
);
codes.ERR_PACKAGE_PATH_NOT_EXPORTED = createError(
'ERR_PACKAGE_PATH_NOT_EXPORTED',
/**
* @param {string} pkgPath
* @param {string} subpath
* @param {string} [base]
*/
(pkgPath, subpath, base = undefined) => {
if (subpath === '.')
return `No "exports" main defined in ${pkgPath}package.json${
base ? ` imported from ${base}` : ''
}`
return `Package subpath '${subpath}' is not defined by "exports" in ${pkgPath}package.json${
base ? ` imported from ${base}` : ''
}`
},
Error
);
codes.ERR_UNSUPPORTED_DIR_IMPORT = createError(
'ERR_UNSUPPORTED_DIR_IMPORT',
"Directory import '%s' is not supported " +
'resolving ES modules imported from %s',
Error
);
codes.ERR_UNKNOWN_FILE_EXTENSION = createError(
'ERR_UNKNOWN_FILE_EXTENSION',
/**
* @param {string} ext
* @param {string} path
*/
(ext, path) => {
return `Unknown file extension "${ext}" for ${path}`
},
TypeError
);
codes.ERR_INVALID_ARG_VALUE = createError(
'ERR_INVALID_ARG_VALUE',
/**
* @param {string} name
* @param {unknown} value
* @param {string} [reason='is invalid']
*/
(name, value, reason = 'is invalid') => {
let inspected = inspect(value);
if (inspected.length > 128) {
inspected = `${inspected.slice(0, 128)}...`;
}
const type = name.includes('.') ? 'property' : 'argument';
return `The ${type} '${name}' ${reason}. Received ${inspected}`
},
TypeError
// Note: extra classes have been shaken out.
// , RangeError
);
codes.ERR_UNSUPPORTED_ESM_URL_SCHEME = createError(
'ERR_UNSUPPORTED_ESM_URL_SCHEME',
/**
* @param {URL} url
* @param {Array<string>} supported
*/
(url, supported) => {
let message = `Only URLs with a scheme in: ${formatList(
supported
)} are supported by the default ESM loader`;
if (isWindows && url.protocol.length === 2) {
message += '. On Windows, absolute paths must be valid file:// URLs';
}
message += `. Received protocol '${url.protocol}'`;
return message
},
Error
);
/**
* Utility function for registering the error codes. Only used here. Exported
* *only* to allow for testing.
* @param {string} sym
* @param {MessageFunction|string} value
* @param {ErrorConstructor} def
* @returns {new (...args: Array<any>) => Error}
*/
function createError(sym, value, def) {
// Special case for SystemError that formats the error message differently
// The SystemErrors only have SystemError as their base classes.
messages.set(sym, value);
return makeNodeErrorWithCode(def, sym)
}
/**
* @param {ErrorConstructor} Base
* @param {string} key
* @returns {ErrorConstructor}
*/
function makeNodeErrorWithCode(Base, key) {
// @ts-expect-error It’s a Node error.
return NodeError
/**
* @param {Array<unknown>} args
*/
function NodeError(...args) {
const limit = Error.stackTraceLimit;
if (isErrorStackTraceLimitWritable()) Error.stackTraceLimit = 0;
const error = new Base();
// Reset the limit and setting the name property.
if (isErrorStackTraceLimitWritable()) Error.stackTraceLimit = limit;
const message = getMessage(key, args, error);
Object.defineProperties(error, {
// Note: no need to implement `kIsNodeError` symbol, would be hard,
// probably.
message: {
value: message,
enumerable: false,
writable: true,
configurable: true
},
toString: {
/** @this {Error} */
value() {
return `${this.name} [${key}]: ${this.message}`
},
enumerable: false,
writable: true,
configurable: true
}
});
captureLargerStackTrace(error);
// @ts-expect-error It’s a Node error.
error.code = key;
return error
}
}
/**
* @returns {boolean}
*/
function isErrorStackTraceLimitWritable() {
// Do no touch Error.stackTraceLimit as V8 would attempt to install
// it again during deserialization.
try {
// @ts-expect-error: not in types?
if (v8.startupSnapshot.isBuildingSnapshot()) {
return false
}
} catch {}
const desc = Object.getOwnPropertyDescriptor(Error, 'stackTraceLimit');
if (desc === undefined) {
return Object.isExtensible(Error)
}
return own$1.call(desc, 'writable') && desc.writable !== undefined
? desc.writable
: desc.set !== undefined
}
/**
* This function removes unnecessary frames from Node.js core errors.
* @template {(...args: unknown[]) => unknown} T
* @param {T} fn
* @returns {T}
*/
function hideStackFrames(fn) {
// We rename the functions that will be hidden to cut off the stacktrace
// at the outermost one
const hidden = nodeInternalPrefix + fn.name;
Object.defineProperty(fn, 'name', {value: hidden});
return fn
}
const captureLargerStackTrace = hideStackFrames(
/**
* @param {Error} error
* @returns {Error}
*/
// @ts-expect-error: fine
function (error) {
const stackTraceLimitIsWritable = isErrorStackTraceLimitWritable();
if (stackTraceLimitIsWritable) {
userStackTraceLimit = Error.stackTraceLimit;
Error.stackTraceLimit = Number.POSITIVE_INFINITY;
}
Error.captureStackTrace(error);
// Reset the limit
if (stackTraceLimitIsWritable) Error.stackTraceLimit = userStackTraceLimit;
return error
}
);
/**
* @param {string} key
* @param {Array<unknown>} args
* @param {Error} self
* @returns {string}
*/
function getMessage(key, args, self) {
const message = messages.get(key);
assert(typeof message !== 'undefined', 'expected `message` to be found');
if (typeof message === 'function') {
assert(
message.length <= args.length, // Default options do not count.
`Code: ${key}; The provided arguments length (${args.length}) does not ` +
`match the required ones (${message.length}).`
);
return Reflect.apply(message, self, args)
}
const regex = /%[dfijoOs]/g;
let expectedLength = 0;
while (regex.exec(message) !== null) expectedLength++;
assert(
expectedLength === args.length,
`Code: ${key}; The provided arguments length (${args.length}) does not ` +
`match the required ones (${expectedLength}).`
);
if (args.length === 0) return message
args.unshift(message);
return Reflect.apply(format, null, args)
}
// Manually “tree shaken” from:
const {ERR_UNKNOWN_FILE_EXTENSION} = codes;
const hasOwnProperty = {}.hasOwnProperty;
/** @type {Record<string, string>} */
const extensionFormatMap = {
// @ts-expect-error: hush.
__proto__: null,
'.cjs': 'commonjs',
'.js': 'module',
'.json': 'json',
'.mjs': 'module'
};
/**
* @param {string|null} mime
* @returns {string | null}
*/
function mimeToFormat(mime) {
if (
mime &&
/\s*(text|application)\/javascript\s*(;\s*charset=utf-?8\s*)?/i.test(mime)
)
return 'module'
if (mime === 'application/json') return 'json'
return null
}
/**
* @callback ProtocolHandler
* @param {URL} parsed
* @param {{parentURL: string}} context
* @param {boolean} ignoreErrors
* @returns {string|null|void}
*/
/**
* @type {Record<string, ProtocolHandler>}
*/
const protocolHandlers = {
// @ts-expect-error: hush.
__proto__: null,
'data:': getDataProtocolModuleFormat,
'file:': getFileProtocolModuleFormat,
'http:': getHttpProtocolModuleFormat,
'https:': getHttpProtocolModuleFormat,
'node:'() {
return 'builtin'
}
};
/**
* @param {URL} parsed
*/
function getDataProtocolModuleFormat(parsed) {
const {1: mime} = /^([^/]+\/[^;,]+)[^,]*?(;base64)?,/.exec(
parsed.pathname
) || [null, null, null];
return mimeToFormat(mime)
}
/**
* @type {ProtocolHandler}
*/
function getFileProtocolModuleFormat(url, _context, ignoreErrors) {
const filepath = fileURLToPath$1(url);
const ext = path.extname(filepath);
if (ext === '.js') {
return getPackageType(url) === 'module' ? 'module' : 'commonjs'
}
const format = extensionFormatMap[ext];
if (format) return format
// Explicit undefined return indicates load hook should rerun format check
if (ignoreErrors) {
return undefined
}
throw new ERR_UNKNOWN_FILE_EXTENSION(ext, filepath)
}
function getHttpProtocolModuleFormat() {
// To do: HTTPS imports.
}
/**
* @param {URL} url
* @param {{parentURL: string}} context
* @returns {string|null}
*/
function defaultGetFormatWithoutErrors(url, context) {
if (!hasOwnProperty.call(protocolHandlers, url.protocol)) {
return null
}
return protocolHandlers[url.protocol](url, context, true) || null
}
// Manually “tree shaken” from:
const reader = {read};
const packageJsonReader = reader;
/**
* @param {string} jsonPath
* @returns {{string: string|undefined}}
*/
function read(jsonPath) {
try {
const string = fs.readFileSync(
path.toNamespacedPath(path.join(path.dirname(jsonPath), 'package.json')),
'utf8'
);
return {string}
} catch (error) {
const exception = /** @type {ErrnoException} */ (error);
if (exception.code === 'ENOENT') {
return {string: undefined}
// Throw all other errors.
/* c8 ignore next 4 */
}
throw exception
}
}
// Manually “tree shaken” from:
const {ERR_INVALID_PACKAGE_CONFIG: ERR_INVALID_PACKAGE_CONFIG$1} = codes;
/** @type {Map<string, PackageConfig>} */
const packageJsonCache = new Map();
/**
* @param {string} path
* @param {string|URL} specifier Note: `specifier` is actually optional, not base.
* @param {URL} [base]
* @returns {PackageConfig}
*/
function getPackageConfig(path, specifier, base) {
const existing = packageJsonCache.get(path);
if (existing !== undefined) {
return existing
}
const source = packageJsonReader.read(path).string;
if (source === undefined) {
/** @type {PackageConfig} */
const packageConfig = {
pjsonPath: path,
exists: false,
main: undefined,
name: undefined,
type: 'none',
exports: undefined,
imports: undefined
};
packageJsonCache.set(path, packageConfig);
return packageConfig
}
/** @type {Record<string, unknown>} */
let packageJson;
try {
packageJson = JSON.parse(source);
} catch (error) {
const exception = /** @type {ErrnoException} */ (error);
throw new ERR_INVALID_PACKAGE_CONFIG$1(
path,
(base ? `"${specifier}" from ` : '') + fileURLToPath$1(base || specifier),
exception.message
)
}
const {exports, imports, main, name, type} = packageJson;
/** @type {PackageConfig} */
const packageConfig = {
pjsonPath: path,
exists: true,
main: typeof main === 'string' ? main : undefined,
name: typeof name === 'string' ? name : undefined,
type: type === 'module' || type === 'commonjs' ? type : 'none',
// @ts-expect-error Assume `Record<string, unknown>`.
exports,
// @ts-expect-error Assume `Record<string, unknown>`.
imports: imports && typeof imports === 'object' ? imports : undefined
};
packageJsonCache.set(path, packageConfig);
return packageConfig
}
/**
* @param {URL} resolved
* @returns {PackageConfig}
*/
function getPackageScopeConfig(resolved) {
let packageJsonUrl = new URL$1('package.json', resolved);
while (true) {
const packageJsonPath = packageJsonUrl.pathname;
if (packageJsonPath.endsWith('node_modules/package.json')) break
const packageConfig = getPackageConfig(
fileURLToPath$1(packageJsonUrl),
resolved
);
if (packageConfig.exists) return packageConfig
const lastPackageJsonUrl = packageJsonUrl;
packageJsonUrl = new URL$1('../package.json', packageJsonUrl);
// Terminates at root where ../package.json equals ../../package.json
// (can't just check "/package.json" for Windows support).
if (packageJsonUrl.pathname === lastPackageJsonUrl.pathname) break
}
const packageJsonPath = fileURLToPath$1(packageJsonUrl);
/** @type {PackageConfig} */
const packageConfig = {
pjsonPath: packageJsonPath,
exists: false,
main: undefined,
name: undefined,
type: 'none',
exports: undefined,
imports: undefined
};
packageJsonCache.set(packageJsonPath, packageConfig);
return packageConfig
}
// Manually “tree shaken” from:
const RegExpPrototypeSymbolReplace = RegExp.prototype[Symbol.replace];
const {
ERR_NETWORK_IMPORT_DISALLOWED,
ERR_INVALID_MODULE_SPECIFIER,
ERR_INVALID_PACKAGE_CONFIG,
ERR_INVALID_PACKAGE_TARGET,
ERR_MODULE_NOT_FOUND,
ERR_PACKAGE_IMPORT_NOT_DEFINED,
ERR_PACKAGE_PATH_NOT_EXPORTED,
ERR_UNSUPPORTED_DIR_IMPORT,
ERR_UNSUPPORTED_ESM_URL_SCHEME
} = codes;
const own = {}.hasOwnProperty;
const invalidSegmentRegEx =
/(^|\\|\/)((\.|%2e)(\.|%2e)?|(n|%6e|%4e)(o|%6f|%4f)(d|%64|%44)(e|%65|%45)(_|%5f)(m|%6d|%4d)(o|%6f|%4f)(d|%64|%44)(u|%75|%55)(l|%6c|%4c)(e|%65|%45)(s|%73|%53))?(\\|\/|$)/i;
const deprecatedInvalidSegmentRegEx =
/(^|\\|\/)((\.|%2e)(\.|%2e)?|(n|%6e|%4e)(o|%6f|%4f)(d|%64|%44)(e|%65|%45)(_|%5f)(m|%6d|%4d)(o|%6f|%4f)(d|%64|%44)(u|%75|%55)(l|%6c|%4c)(e|%65|%45)(s|%73|%53))(\\|\/|$)/i;
const invalidPackageNameRegEx = /^\.|%|\\/;
const patternRegEx = /\*/g;
const encodedSepRegEx = /%2f|%5c/i;
/** @type {Set<string>} */
const emittedPackageWarnings = new Set();
const doubleSlashRegEx = /[/\\]{2}/;
/**
*
* @param {string} target
* @param {string} request
* @param {string} match
* @param {URL} packageJsonUrl
* @param {boolean} internal
* @param {URL} base
* @param {boolean} isTarget
*/
function emitInvalidSegmentDeprecation(
target,
request,
match,
packageJsonUrl,
internal,
base,
isTarget
) {
const pjsonPath = fileURLToPath$1(packageJsonUrl);
const double = doubleSlashRegEx.exec(isTarget ? target : request) !== null;
process$1.emitWarning(
`Use of deprecated ${
double ? 'double slash' : 'leading or trailing slash matching'
} resolving "${target}" for module ` +
`request "${request}" ${
request === match ? '' : `matched to "${match}" `
}in the "${
internal ? 'imports' : 'exports'
}" field module resolution of the package at ${pjsonPath}${
base ? ` imported from ${fileURLToPath$1(base)}` : ''
}.`,
'DeprecationWarning',
'DEP0166'
);
}
/**
* @param {URL} url
* @param {URL} packageJsonUrl
* @param {URL} base
* @param {unknown} [main]
* @returns {void}
*/
function emitLegacyIndexDeprecation(url, packageJsonUrl, base, main) {
const format = defaultGetFormatWithoutErrors(url, {parentURL: base.href});
if (format !== 'module') return
const path = fileURLToPath$1(url.href);
const pkgPath = fileURLToPath$1(new URL$1('.', packageJsonUrl));
const basePath = fileURLToPath$1(base);
if (main)
process$1.emitWarning(
`Package ${pkgPath} has a "main" field set to ${JSON.stringify(main)}, ` +
`excluding the full filename and extension to the resolved file at "${path.slice(
pkgPath.length
)}", imported from ${basePath}.\n Automatic extension resolution of the "main" field is` +
'deprecated for ES modules.',
'DeprecationWarning',
'DEP0151'
);
else
process$1.emitWarning(
`No "main" or "exports" field defined in the package.json for ${pkgPath} resolving the main entry point "${path.slice(
pkgPath.length
)}", imported from ${basePath}.\nDefault "index" lookups for the main are deprecated for ES modules.`,
'DeprecationWarning',
'DEP0151'
);
}
/**
* @param {string} path
* @returns {Stats}
*/
function tryStatSync(path) {
// Note: from Node 15 onwards we can use `throwIfNoEntry: false` instead.
try {
return statSync(path)
} catch {
return new Stats()
}
}
/**
* Legacy CommonJS main resolution:
* 1. let M = pkg_url + (json main field)
* 2. TRY(M, M.js, M.json, M.node)
* 3. TRY(M/index.js, M/index.json, M/index.node)
* 4. TRY(pkg_url/index.js, pkg_url/index.json, pkg_url/index.node)
* 5. NOT_FOUND
*
* @param {URL} url
* @returns {boolean}
*/
function fileExists(url) {
const stats = statSync(url, {throwIfNoEntry: false});
const isFile = stats ? stats.isFile() : undefined;
return isFile === null || isFile === undefined ? false : isFile
}
/**
* @param {URL} packageJsonUrl
* @param {PackageConfig} packageConfig
* @param {URL} base
* @returns {URL}
*/
function legacyMainResolve(packageJsonUrl, packageConfig, base) {
/** @type {URL|undefined} */
let guess;
if (packageConfig.main !== undefined) {
guess = new URL$1(packageConfig.main, packageJsonUrl);
// Note: fs check redundances will be handled by Descriptor cache here.
if (fileExists(guess)) return guess
const tries = [
`./${packageConfig.main}.js`,
`./${packageConfig.main}.json`,
`./${packageConfig.main}.node`,
`./${packageConfig.main}/index.js`,
`./${packageConfig.main}/index.json`,
`./${packageConfig.main}/index.node`
];
let i = -1;
while (++i < tries.length) {
guess = new URL$1(tries[i], packageJsonUrl);
if (fileExists(guess)) break
guess = undefined;
}
if (guess) {
emitLegacyIndexDeprecation(
guess,
packageJsonUrl,
base,
packageConfig.main
);
return guess
}
// Fallthrough.
}
const tries = ['./index.js', './index.json', './index.node'];
let i = -1;
while (++i < tries.length) {
guess = new URL$1(tries[i], packageJsonUrl);
if (fileExists(guess)) break
guess = undefined;
}
if (guess) {
emitLegacyIndexDeprecation(guess, packageJsonUrl, base, packageConfig.main);
return guess
}
// Not found.
throw new ERR_MODULE_NOT_FOUND(
fileURLToPath$1(new URL$1('.', packageJsonUrl)),
fileURLToPath$1(base)
)
}
/**
* @param {URL} resolved
* @param {URL} base
* @param {boolean} [preserveSymlinks]
* @returns {URL}
*/
function finalizeResolution(resolved, base, preserveSymlinks) {
if (encodedSepRegEx.exec(resolved.pathname) !== null)
throw new ERR_INVALID_MODULE_SPECIFIER(
resolved.pathname,
'must not include encoded "/" or "\\" characters',
fileURLToPath$1(base)
)
const filePath = fileURLToPath$1(resolved);
const stats = tryStatSync(
filePath.endsWith('/') ? filePath.slice(-1) : filePath
);
if (stats.isDirectory()) {
const error = new ERR_UNSUPPORTED_DIR_IMPORT(filePath, fileURLToPath$1(base));
// @ts-expect-error Add this for `import.meta.resolve`.
error.url = String(resolved);
throw error
}
if (!stats.isFile()) {
throw new ERR_MODULE_NOT_FOUND(
filePath || resolved.pathname,
base && fileURLToPath$1(base),
'module'
)
}
if (!preserveSymlinks) {
const real = realpathSync(filePath);
const {search, hash} = resolved;
resolved = pathToFileURL(real + (filePath.endsWith(path.sep) ? '/' : ''));
resolved.search = search;
resolved.hash = hash;
}
return resolved
}
/**
* @param {string} specifier
* @param {URL|undefined} packageJsonUrl
* @param {URL} base
* @returns {Error}
*/
function importNotDefined(specifier, packageJsonUrl, base) {
return new ERR_PACKAGE_IMPORT_NOT_DEFINED(
specifier,
packageJsonUrl && fileURLToPath$1(new URL$1('.', packageJsonUrl)),
fileURLToPath$1(base)
)
}
/**
* @param {string} subpath
* @param {URL} packageJsonUrl
* @param {URL} base
* @returns {Error}
*/
function exportsNotFound(subpath, packageJsonUrl, base) {
return new ERR_PACKAGE_PATH_NOT_EXPORTED(
fileURLToPath$1(new URL$1('.', packageJsonUrl)),
subpath,
base && fileURLToPath$1(base)
)
}
/**
* @param {string} request
* @param {string} match
* @param {URL} packageJsonUrl
* @param {boolean} internal
* @param {URL} [base]
* @returns {never}
*/
function throwInvalidSubpath(request, match, packageJsonUrl, internal, base) {
const reason = `request is not a valid match in pattern "${match}" for the "${
internal ? 'imports' : 'exports'
}" resolution of ${fileURLToPath$1(packageJsonUrl)}`;
throw new ERR_INVALID_MODULE_SPECIFIER(
request,
reason,
base && fileURLToPath$1(base)
)
}
/**
* @param {string} subpath
* @param {unknown} target
* @param {URL} packageJsonUrl
* @param {boolean} internal
* @param {URL} [base]
* @returns {Error}
*/
function invalidPackageTarget(subpath, target, packageJsonUrl, internal, base) {
target =
typeof target === 'object' && target !== null
? JSON.stringify(target, null, '')
: `${target}`;
return new ERR_INVALID_PACKAGE_TARGET(
fileURLToPath$1(new URL$1('.', packageJsonUrl)),
subpath,
target,
internal,
base && fileURLToPath$1(base)
)
}
/**
* @param {string} target
* @param {string} subpath
* @param {string} match
* @param {URL} packageJsonUrl
* @param {URL} base
* @param {boolean} pattern
* @param {boolean} internal
* @param {boolean} isPathMap
* @param {Set<string>|undefined} conditions
* @returns {URL}
*/
function resolvePackageTargetString(
target,
subpath,
match,
packageJsonUrl,
base,
pattern,
internal,
isPathMap,
conditions
) {
if (subpath !== '' && !pattern && target[target.length - 1] !== '/')
throw invalidPackageTarget(match, target, packageJsonUrl, internal, base)
if (!target.startsWith('./')) {
if (internal && !target.startsWith('../') && !target.startsWith('/')) {
let isURL = false;
try {
new URL$1(target);
isURL = true;
} catch {
// Continue regardless of error.
}
if (!isURL) {
const exportTarget = pattern
? RegExpPrototypeSymbolReplace.call(
patternRegEx,
target,
() => subpath
)
: target + subpath;
return packageResolve(exportTarget, packageJsonUrl, conditions)
}
}
throw invalidPackageTarget(match, target, packageJsonUrl, internal, base)
}
if (invalidSegmentRegEx.exec(target.slice(2)) !== null) {
if (deprecatedInvalidSegmentRegEx.exec(target.slice(2)) === null) {
if (!isPathMap) {
const request = pattern
? match.replace('*', () => subpath)
: match + subpath;
const resolvedTarget = pattern
? RegExpPrototypeSymbolReplace.call(
patternRegEx,
target,
() => subpath
)
: target;
emitInvalidSegmentDeprecation(
resolvedTarget,
request,
match,
packageJsonUrl,
internal,
base,
true
);
}
} else {
throw invalidPackageTarget(match, target, packageJsonUrl, internal, base)
}
}
const resolved = new URL$1(target, packageJsonUrl);
const resolvedPath = resolved.pathname;
const packagePath = new URL$1('.', packageJsonUrl).pathname;
if (!resolvedPath.startsWith(packagePath))
throw invalidPackageTarget(match, target, packageJsonUrl, internal, base)
if (subpath === '') return resolved
if (invalidSegmentRegEx.exec(subpath) !== null) {
const request = pattern
? match.replace('*', () => subpath)
: match + subpath;
if (deprecatedInvalidSegmentRegEx.exec(subpath) === null) {
if (!isPathMap) {
const resolvedTarget = pattern
? RegExpPrototypeSymbolReplace.call(
patternRegEx,
target,
() => subpath
)
: target;
emitInvalidSegmentDeprecation(
resolvedTarget,
request,
match,
packageJsonUrl,
internal,
base,
false
);
}
} else {
throwInvalidSubpath(request, match, packageJsonUrl, internal, base);
}
}
if (pattern) {
return new URL$1(
RegExpPrototypeSymbolReplace.call(
patternRegEx,
resolved.href,
() => subpath
)
)
}
return new URL$1(subpath, resolved)
}
/**
* @param {string} key
* @returns {boolean}
*/
function isArrayIndex(key) {
const keyNumber = Number(key);
if (`${keyNumber}` !== key) return false
return keyNumber >= 0 && keyNumber < 0xff_ff_ff_ff
}
/**
* @param {URL} packageJsonUrl
* @param {unknown} target
* @param {string} subpath
* @param {string} packageSubpath
* @param {URL} base
* @param {boolean} pattern
* @param {boolean} internal
* @param {boolean} isPathMap
* @param {Set<string>|undefined} conditions
* @returns {URL|null}
*/
function resolvePackageTarget(
packageJsonUrl,
target,
subpath,
packageSubpath,
base,
pattern,
internal,
isPathMap,
conditions
) {
if (typeof target === 'string') {
return resolvePackageTargetString(
target,
subpath,
packageSubpath,
packageJsonUrl,
base,
pattern,
internal,
isPathMap,
conditions
)
}
if (Array.isArray(target)) {
/** @type {Array<unknown>} */
const targetList = target;
if (targetList.length === 0) return null
/** @type {ErrnoException|null|undefined} */
let lastException;
let i = -1;
while (++i < targetList.length) {
const targetItem = targetList[i];
/** @type {URL|null} */
let resolveResult;
try {
resolveResult = resolvePackageTarget(
packageJsonUrl,
targetItem,
subpath,
packageSubpath,
base,
pattern,
internal,
isPathMap,
conditions
);
} catch (error) {
const exception = /** @type {ErrnoException} */ (error);
lastException = exception;
if (exception.code === 'ERR_INVALID_PACKAGE_TARGET') continue
throw error
}
if (resolveResult === undefined) continue
if (resolveResult === null) {
lastException = null;
continue
}
return resolveResult
}
if (lastException === undefined || lastException === null) {
return null
}
throw lastException
}
if (typeof target === 'object' && target !== null) {
const keys = Object.getOwnPropertyNames(target);
let i = -1;
while (++i < keys.length) {
const key = keys[i];
if (isArrayIndex(key)) {
throw new ERR_INVALID_PACKAGE_CONFIG(
fileURLToPath$1(packageJsonUrl),
base,
'"exports" cannot contain numeric property keys.'
)
}
}
i = -1;
while (++i < keys.length) {
const key = keys[i];
if (key === 'default' || (conditions && conditions.has(key))) {
// @ts-expect-error: indexable.
const conditionalTarget = /** @type {unknown} */ (target[key]);
const resolveResult = resolvePackageTarget(
packageJsonUrl,
conditionalTarget,
subpath,
packageSubpath,
base,
pattern,
internal,
isPathMap,
conditions
);
if (resolveResult === undefined) continue
return resolveResult
}
}
return null
}
if (target === null) {
return null
}
throw invalidPackageTarget(
packageSubpath,
target,
packageJsonUrl,
internal,
base
)
}
/**
* @param {unknown} exports
* @param {URL} packageJsonUrl
* @param {URL} base
* @returns {boolean}
*/
function isConditionalExportsMainSugar(exports, packageJsonUrl, base) {
if (typeof exports === 'string' || Array.isArray(exports)) return true
if (typeof exports !== 'object' || exports === null) return false
const keys = Object.getOwnPropertyNames(exports);
let isConditionalSugar = false;
let i = 0;
let j = -1;
while (++j < keys.length) {
const key = keys[j];
const curIsConditionalSugar = key === '' || key[0] !== '.';
if (i++ === 0) {
isConditionalSugar = curIsConditionalSugar;
} else if (isConditionalSugar !== curIsConditionalSugar) {
throw new ERR_INVALID_PACKAGE_CONFIG(
fileURLToPath$1(packageJsonUrl),
base,
'"exports" cannot contain some keys starting with \'.\' and some not.' +
' The exports object must either be an object of package subpath keys' +
' or an object of main entry condition name keys only.'
)
}
}
return isConditionalSugar
}
/**
* @param {string} match
* @param {URL} pjsonUrl
* @param {URL} base
*/
function emitTrailingSlashPatternDeprecation(match, pjsonUrl, base) {
const pjsonPath = fileURLToPath$1(pjsonUrl);
if (emittedPackageWarnings.has(pjsonPath + '|' + match)) return
emittedPackageWarnings.add(pjsonPath + '|' + match);
process$1.emitWarning(
`Use of deprecated trailing slash pattern mapping "${match}" in the ` +
`"exports" field module resolution of the package at ${pjsonPath}${
base ? ` imported from ${fileURLToPath$1(base)}` : ''
}. Mapping specifiers ending in "/" is no longer supported.`,
'DeprecationWarning',
'DEP0155'
);
}
/**
* @param {URL} packageJsonUrl
* @param {string} packageSubpath
* @param {Record<string, unknown>} packageConfig
* @param {URL} base
* @param {Set<string>|undefined} conditions
* @returns {URL}
*/
function packageExportsResolve(
packageJsonUrl,
packageSubpath,
packageConfig,
base,
conditions
) {
let exports = packageConfig.exports;
if (isConditionalExportsMainSugar(exports, packageJsonUrl, base)) {
exports = {'.': exports};
}
if (
own.call(exports, packageSubpath) &&
!packageSubpath.includes('*') &&
!packageSubpath.endsWith('/')
) {
// @ts-expect-error: indexable.
const target = exports[packageSubpath];
const resolveResult = resolvePackageTarget(
packageJsonUrl,
target,
'',
packageSubpath,
base,
false,
false,
false,
conditions
);
if (resolveResult === null || resolveResult === undefined) {
throw exportsNotFound(packageSubpath, packageJsonUrl, base)
}
return resolveResult
}
let bestMatch = '';
let bestMatchSubpath = '';
const keys = Object.getOwnPropertyNames(exports);
let i = -1;
while (++i < keys.length) {
const key = keys[i];
const patternIndex = key.indexOf('*');
if (
patternIndex !== -1 &&
packageSubpath.startsWith(key.slice(0, patternIndex))
) {
// When this reaches EOL, this can throw at the top of the whole function:
//
// if (StringPrototypeEndsWith(packageSubpath, '/'))
// throwInvalidSubpath(packageSubpath)
//
// To match "imports" and the spec.
if (packageSubpath.endsWith('/')) {
emitTrailingSlashPatternDeprecation(
packageSubpath,
packageJsonUrl,
base
);
}
const patternTrailer = key.slice(patternIndex + 1);
if (
packageSubpath.length >= key.length &&
packageSubpath.endsWith(patternTrailer) &&
patternKeyCompare(bestMatch, key) === 1 &&
key.lastIndexOf('*') === patternIndex
) {
bestMatch = key;
bestMatchSubpath = packageSubpath.slice(
patternIndex,
packageSubpath.length - patternTrailer.length
);
}
}
}
if (bestMatch) {
// @ts-expect-error: indexable.
const target = /** @type {unknown} */ (exports[bestMatch]);
const resolveResult = resolvePackageTarget(
packageJsonUrl,
target,
bestMatchSubpath,
bestMatch,
base,
true,
false,
packageSubpath.endsWith('/'),
conditions
);
if (resolveResult === null || resolveResult === undefined) {
throw exportsNotFound(packageSubpath, packageJsonUrl, base)
}
return resolveResult
}
throw exportsNotFound(packageSubpath, packageJsonUrl, base)
}
/**
* @param {string} a
* @param {string} b
*/
function patternKeyCompare(a, b) {
const aPatternIndex = a.indexOf('*');
const bPatternIndex = b.indexOf('*');
const baseLengthA = aPatternIndex === -1 ? a.length : aPatternIndex + 1;
const baseLengthB = bPatternIndex === -1 ? b.length : bPatternIndex + 1;
if (baseLengthA > baseLengthB) return -1
if (baseLengthB > baseLengthA) return 1
if (aPatternIndex === -1) return 1
if (bPatternIndex === -1) return -1
if (a.length > b.length) return -1
if (b.length > a.length) return 1
return 0
}
/**
* @param {string} name
* @param {URL} base
* @param {Set<string>} [conditions]
* @returns {URL}
*/
function packageImportsResolve(name, base, conditions) {
if (name === '#' || name.startsWith('#/') || name.endsWith('/')) {
const reason = 'is not a valid internal imports specifier name';
throw new ERR_INVALID_MODULE_SPECIFIER(name, reason, fileURLToPath$1(base))
}
/** @type {URL|undefined} */
let packageJsonUrl;
const packageConfig = getPackageScopeConfig(base);
if (packageConfig.exists) {
packageJsonUrl = pathToFileURL(packageConfig.pjsonPath);
const imports = packageConfig.imports;
if (imports) {
if (own.call(imports, name) && !name.includes('*')) {
const resolveResult = resolvePackageTarget(
packageJsonUrl,
imports[name],
'',
name,
base,
false,
true,
false,
conditions
);
if (resolveResult !== null && resolveResult !== undefined) {
return resolveResult
}
} else {
let bestMatch = '';
let bestMatchSubpath = '';
const keys = Object.getOwnPropertyNames(imports);
let i = -1;
while (++i < keys.length) {
const key = keys[i];
const patternIndex = key.indexOf('*');
if (patternIndex !== -1 && name.startsWith(key.slice(0, -1))) {
const patternTrailer = key.slice(patternIndex + 1);
if (
name.length >= key.length &&
name.endsWith(patternTrailer) &&
patternKeyCompare(bestMatch, key) === 1 &&
key.lastIndexOf('*') === patternIndex
) {
bestMatch = key;
bestMatchSubpath = name.slice(
patternIndex,
name.length - patternTrailer.length
);
}
}
}
if (bestMatch) {
const target = imports[bestMatch];
const resolveResult = resolvePackageTarget(
packageJsonUrl,
target,
bestMatchSubpath,
bestMatch,
base,
true,
true,
false,
conditions
);
if (resolveResult !== null && resolveResult !== undefined) {
return resolveResult
}
}
}
}
}
throw importNotDefined(name, packageJsonUrl, base)
}
/**
* @param {URL} url
* @returns {PackageType}
*/
function getPackageType(url) {
const packageConfig = getPackageScopeConfig(url);
return packageConfig.type
}
/**
* @param {string} specifier
* @param {URL} base
*/
function parsePackageName(specifier, base) {
let separatorIndex = specifier.indexOf('/');
let validPackageName = true;
let isScoped = false;
if (specifier[0] === '@') {
isScoped = true;
if (separatorIndex === -1 || specifier.length === 0) {
validPackageName = false;
} else {
separatorIndex = specifier.indexOf('/', separatorIndex + 1);
}
}
const packageName =
separatorIndex === -1 ? specifier : specifier.slice(0, separatorIndex);
// Package name cannot have leading . and cannot have percent-encoding or
// \\ separators.
if (invalidPackageNameRegEx.exec(packageName) !== null) {
validPackageName = false;
}
if (!validPackageName) {
throw new ERR_INVALID_MODULE_SPECIFIER(
specifier,
'is not a valid package name',
fileURLToPath$1(base)
)
}
const packageSubpath =
'.' + (separatorIndex === -1 ? '' : specifier.slice(separatorIndex));
return {packageName, packageSubpath, isScoped}
}
/**
* @param {string} specifier
* @param {URL} base
* @param {Set<string>|undefined} conditions
* @returns {URL}
*/
function packageResolve(specifier, base, conditions) {
if (builtinModules.includes(specifier)) {
return new URL$1('node:' + specifier)
}
const {packageName, packageSubpath, isScoped} = parsePackageName(
specifier,
base
);
// ResolveSelf
const packageConfig = getPackageScopeConfig(base);
// Can’t test.
/* c8 ignore next 16 */
if (packageConfig.exists) {
const packageJsonUrl = pathToFileURL(packageConfig.pjsonPath);
if (
packageConfig.name === packageName &&
packageConfig.exports !== undefined &&
packageConfig.exports !== null
) {
return packageExportsResolve(
packageJsonUrl,
packageSubpath,
packageConfig,
base,
conditions
)
}
}
let packageJsonUrl = new URL$1(
'./node_modules/' + packageName + '/package.json',
base
);
let packageJsonPath = fileURLToPath$1(packageJsonUrl);
/** @type {string} */
let lastPath;
do {
const stat = tryStatSync(packageJsonPath.slice(0, -13));
if (!stat.isDirectory()) {
lastPath = packageJsonPath;
packageJsonUrl = new URL$1(
(isScoped ? '../../../../node_modules/' : '../../../node_modules/') +
packageName +
'/package.json',
packageJsonUrl
);
packageJsonPath = fileURLToPath$1(packageJsonUrl);
continue
}
// Package match.
const packageConfig = getPackageConfig(packageJsonPath, specifier, base);
if (packageConfig.exports !== undefined && packageConfig.exports !== null) {
return packageExportsResolve(
packageJsonUrl,
packageSubpath,
packageConfig,
base,
conditions
)
}
if (packageSubpath === '.') {
return legacyMainResolve(packageJsonUrl, packageConfig, base)
}
return new URL$1(packageSubpath, packageJsonUrl)
// Cross-platform root check.
} while (packageJsonPath.length !== lastPath.length)
throw new ERR_MODULE_NOT_FOUND(packageName, fileURLToPath$1(base))
}
/**
* @param {string} specifier
* @returns {boolean}
*/
function isRelativeSpecifier(specifier) {
if (specifier[0] === '.') {
if (specifier.length === 1 || specifier[1] === '/') return true
if (
specifier[1] === '.' &&
(specifier.length === 2 || specifier[2] === '/')
) {
return true
}
}
return false
}
/**
* @param {string} specifier
* @returns {boolean}
*/
function shouldBeTreatedAsRelativeOrAbsolutePath(specifier) {
if (specifier === '') return false
if (specifier[0] === '/') return true
return isRelativeSpecifier(specifier)
}
/**
* The Resolver Algorithm Specification as detailed in the Node docs (which is
* sync and slightly lower-level than `resolve`).
*
* @param {string} specifier
* `/example.js`, `./example.js`, `../example.js`, `some-package`, `fs`, etc.
* @param {URL} base
* Full URL (to a file) that `specifier` is resolved relative from.
* @param {Set<string>} [conditions]
* Conditions.
* @param {boolean} [preserveSymlinks]
* Keep symlinks instead of resolving them.
* @returns {URL}
* A URL object to the found thing.
*/
function moduleResolve(specifier, base, conditions, preserveSymlinks) {
const isRemote = base.protocol === 'http:' || base.protocol === 'https:';
// Order swapped from spec for minor perf gain.
// Ok since relative URLs cannot parse as URLs.
/** @type {URL|undefined} */
let resolved;
if (shouldBeTreatedAsRelativeOrAbsolutePath(specifier)) {
resolved = new URL$1(specifier, base);
} else if (!isRemote && specifier[0] === '#') {
resolved = packageImportsResolve(specifier, base, conditions);
} else {
try {
resolved = new URL$1(specifier);
} catch {
if (!isRemote) {
resolved = packageResolve(specifier, base, conditions);
}
}
}
assert(typeof resolved !== 'undefined', 'expected to be defined');
if (resolved.protocol !== 'file:') {
return resolved
}
return finalizeResolution(resolved, base, preserveSymlinks)
}
function fileURLToPath(id) {
if (typeof id === "string" && !id.startsWith("file://")) {
return normalizeSlash(id);
}
return normalizeSlash(fileURLToPath$1(id));
}
const INVALID_CHAR_RE = /[\u0000-\u001F"#$&*+,/:;<=>?@[\]^`{|}\u007F]+/g;
function sanitizeURIComponent(name = "", replacement = "_") {
return name.replace(INVALID_CHAR_RE, replacement).replace(/%../g, replacement);
}
function sanitizeFilePath(filePath = "") {
return filePath.replace(/\?.*$/, "").split(/[/\\]/g).map((p) => sanitizeURIComponent(p)).join("/").replace(/^([A-Za-z])_\//, "$1:/");
}
function normalizeid(id) {
if (typeof id !== "string") {
id = id.toString();
}
if (/(node|data|http|https|file):/.test(id)) {
return id;
}
if (BUILTIN_MODULES.has(id)) {
return "node:" + id;
}
return "file://" + encodeURI(normalizeSlash(id));
}
async function loadURL(url) {
const code = await promises.readFile(fileURLToPath(url), "utf8");
return code;
}
function toDataURL(code) {
const base64 = Buffer.from(code).toString("base64");
return `data:text/javascript;base64,${base64}`;
}
function isNodeBuiltin(id = "") {
id = id.replace(/^node:/, "").split("/")[0];
return BUILTIN_MODULES.has(id);
}
const ProtocolRegex = /^(?<proto>.{2,}?):.+$/;
function getProtocol(id) {
const proto = id.match(ProtocolRegex);
return proto ? proto.groups.proto : void 0;
}
const DEFAULT_CONDITIONS_SET = /* @__PURE__ */ new Set(["node", "import"]);
const DEFAULT_URL = pathToFileURL(process.cwd());
const DEFAULT_EXTENSIONS = [".mjs", ".cjs", ".js", ".json"];
const NOT_FOUND_ERRORS = /* @__PURE__ */ new Set([
"ERR_MODULE_NOT_FOUND",
"ERR_UNSUPPORTED_DIR_IMPORT",
"MODULE_NOT_FOUND",
"ERR_PACKAGE_PATH_NOT_EXPORTED"
]);
function _tryModuleResolve(id, url, conditions) {
try {
return moduleResolve(id, url, conditions);
} catch (error) {
if (!NOT_FOUND_ERRORS.has(error.code)) {
throw error;
}
}
}
function _resolve(id, options = {}) {
if (/(node|data|http|https):/.test(id)) {
return id;
}
if (BUILTIN_MODULES.has(id)) {
return "node:" + id;
}
if (isAbsolute(id) && existsSync(id)) {
const realPath2 = realpathSync(fileURLToPath(id));
return pathToFileURL(realPath2).toString();
}
const conditionsSet = options.conditions ? new Set(options.conditions) : DEFAULT_CONDITIONS_SET;
const _urls = (Array.isArray(options.url) ? options.url : [options.url]).filter(Boolean).map((u) => new URL(normalizeid(u.toString())));
if (_urls.length === 0) {
_urls.push(DEFAULT_URL);
}
const urls = [..._urls];
for (const url of _urls) {
if (url.protocol === "file:") {
urls.push(
new URL("./", url),
new URL(joinURL(url.pathname, "_index.js"), url),
new URL("node_modules", url)
);
}
}
let resolved;
for (const url of urls) {
resolved = _tryModuleResolve(id, url, conditionsSet);
if (resolved) {
break;
}
for (const prefix of ["", "/index"]) {
for (const extension of options.extensions || DEFAULT_EXTENSIONS) {
resolved = _tryModuleResolve(
id + prefix + extension,
url,
conditionsSet
);
if (resolved) {
break;
}
}
if (resolved) {
break;
}
}
if (resolved) {
break;
}
}
if (!resolved) {
const error = new Error(
`Cannot find module ${id} imported from ${urls.join(", ")}`
);
error.code = "ERR_MODULE_NOT_FOUND";
throw error;
}
const realPath = realpathSync(fileURLToPath(resolved));
return pathToFileURL(realPath).toString();
}
function resolveSync(id, options) {
return _resolve(id, options);
}
function resolve(id, options) {
return pcall(resolveSync, id, options);
}
function resolvePathSync(id, options) {
return fileURLToPath(resolveSync(id, options));
}
function resolvePath(id, options) {
return pcall(resolvePathSync, id, options);
}
function createResolve(defaults) {
return (id, url) => {
return resolve(id, { url, ...defaults });
};
}
const ESM_STATIC_IMPORT_RE = /(?<=\s|^|;)import\s*([\s"']*(?<imports>[\w\t\n\r $*,/{}]+)from\s*)?["']\s*(?<specifier>(?<="\s*)[^"]*[^\s"](?=\s*")|(?<='\s*)[^']*[^\s'](?=\s*'))\s*["'][\s;]*/gm;
const DYNAMIC_IMPORT_RE = /import\s*\((?<expression>(?:[^()]+|\((?:[^()]+|\([^()]*\))*\))*)\)/gm;
const EXPORT_DECAL_RE = /\bexport\s+(?<declaration>(async function|function|let|const enum|const|enum|var|class))\s+(?<name>[\w$]+)/g;
const EXPORT_NAMED_RE = /\bexport\s+{(?<exports>[^}]+?)[\s,]*}(\s*from\s*["']\s*(?<specifier>(?<="\s*)[^"]*[^\s"](?=\s*")|(?<='\s*)[^']*[^\s'](?=\s*'))\s*["'][^\n;]*)?/g;
const EXPORT_NAMED_DESTRUCT = /\bexport\s+(let|var|const)\s+(?:{(?<exports1>[^}]+?)[\s,]*}|\[(?<exports2>[^\]]+?)[\s,]*])\s+=/gm;
const EXPORT_STAR_RE = /\bexport\s*(\*)(\s*as\s+(?<name>[\w$]+)\s+)?\s*(\s*from\s*["']\s*(?<specifier>(?<="\s*)[^"]*[^\s"](?=\s*")|(?<='\s*)[^']*[^\s'](?=\s*'))\s*["'][^\n;]*)?/g;
const EXPORT_DEFAULT_RE = /\bexport\s+default\s+/g;
const TYPE_RE = /^\s*?type\s/;
function findStaticImports(code) {
return matchAll(ESM_STATIC_IMPORT_RE, code, { type: "static" });
}
function findDynamicImports(code) {
return matchAll(DYNAMIC_IMPORT_RE, code, { type: "dynamic" });
}
function parseStaticImport(matched) {
const cleanedImports = (matched.imports || "").replace(/(\/\/[^\n]*\n|\/\*.*\*\/)/g, "").replace(/\s+/g, " ");
const namedImports = {};
for (const namedImport of cleanedImports.match(/{([^}]*)}/)?.[1]?.split(",") || []) {
const [, source = namedImport.trim(), importName = source] = namedImport.match(/^\s*(\S*) as (\S*)\s*$/) || [];
if (source && !TYPE_RE.test(source)) {
namedImports[source] = importName;
}
}
const topLevelImports = cleanedImports.replace(/{([^}]*)}/, "");
const namespacedImport = topLevelImports.match(/\* as \s*(\S*)/)?.[1];
const defaultImport = topLevelImports.split(",").find((index) => !/[*{}]/.test(index))?.trim() || void 0;
return {
...matched,
defaultImport,
namespacedImport,
namedImports
};
}
function findExports(code) {
const declaredExports = matchAll(EXPORT_DECAL_RE, code, {
type: "declaration"
});
const namedExports = matchAll(EXPORT_NAMED_RE, code, {
type: "named"
});
for (const namedExport of namedExports) {
namedExport.names = namedExport.exports.replace(/^\r?\n?/, "").split(/\s*,\s*/g).filter((name) => !TYPE_RE.test(name)).map((name) => name.replace(/^.*?\sas\s/, "").trim());
}
const destructuredExports = matchAll(
EXPORT_NAMED_DESTRUCT,
code,
{ type: "named" }
);
for (const namedExport of destructuredExports) {
namedExport.exports = namedExport.exports1 || namedExport.exports2;
namedExport.names = namedExport.exports.replace(/^\r?\n?/, "").split(/\s*,\s*/g).filter((name) => !TYPE_RE.test(name)).map(
(name) => name.replace(/^.*?\s*:\s*/, "").replace(/\s*=\s*.*$/, "").trim()
);
}
const defaultExport = matchAll(EXPORT_DEFAULT_RE, code, {
type: "default",
name: "default"
});
const starExports = matchAll(EXPORT_STAR_RE, code, {
type: "star"
});
const exports = [
...declaredExports,
...namedExports,
...destructuredExports,
...defaultExport,
...starExports
];
for (const exp of exports) {
if (!exp.name && exp.names && exp.names.length === 1) {
exp.name = exp.names[0];
}
if (exp.name === "default" && exp.type !== "default") {
exp._type = exp.type;
exp.type = "default";
}
if (!exp.names && exp.name) {
exp.names = [exp.name];
}
}
if (exports.length === 0) {
return [];
}
const exportLocations = _tryGetExportLocations(code);
if (exportLocations && exportLocations.length === 0) {
return [];
}
return exports.filter(
(exp) => !exportLocations || _isExportStatement(exportLocations, exp)
).filter((exp, index, exports2) => {
const nextExport = exports2[index + 1];
return !nextExport || exp.type !== nextExport.type || !exp.name || exp.name !== nextExport.name;
});
}
function findExportNames(code) {
return findExports(code).flatMap((exp) => exp.names).filter(Boolean);
}
async function resolveModuleExportNames(id, options) {
const url = await resolvePath(id, options);
const code = await loadURL(url);
const exports = findExports(code);
const exportNames = new Set(
exports.flatMap((exp) => exp.names).filter(Boolean)
);
for (const exp of exports) {
if (exp.type === "star") {
const subExports = await resolveModuleExportNames(exp.specifier, {
...options,
url
});
for (const subExport of subExports) {
exportNames.add(subExport);
}
}
}
return [...exportNames];
}
function _isExportStatement(exportsLocation, exp) {
return exportsLocation.some((location) => {
return exp.start <= location.start && exp.end >= location.end;
});
}
function _tryGetExportLocations(code) {
try {
return _getExportLocations(code);
} catch {
}
}
function _getExportLocations(code) {
const tokens = tokenizer(code, {
ecmaVersion: "latest",
sourceType: "module",
allowHashBang: true,
allowAwaitOutsideFunction: true,
allowImportExportEverywhere: true
});
const locations = [];
for (const token of tokens) {
if (token.type.label === "export") {
locations.push({
start: token.start,
end: token.end
});
}
}
return locations;
}
function createCommonJS(url) {
const __filename = fileURLToPath(url);
const __dirname = dirname(__filename);
let _nativeRequire;
const getNativeRequire = () => _nativeRequire || (_nativeRequire = createRequire(url));
function require(id) {
return getNativeRequire()(id);
}
require.resolve = (id, options) => getNativeRequire().resolve(id, options);
return {
__filename,
__dirname,
require
};
}
function interopDefault(sourceModule) {
if (!isObject(sourceModule) || !("default" in sourceModule)) {
return sourceModule;
}
const newModule = sourceModule.default;
for (const key in sourceModule) {
if (key === "default") {
try {
if (!(key in newModule)) {
Object.defineProperty(newModule, key, {
enumerable: false,
configurable: false,
get() {
return newModule;
}
});
}
} catch {
}
} else {
try {
if (!(key in newModule)) {
Object.defineProperty(newModule, key, {
enumerable: true,
configurable: true,
get() {
return sourceModule[key];
}
});
}
} catch {
}
}
}
return newModule;
}
const EVAL_ESM_IMPORT_RE = /(?<=import .* from ["'])([^"']+)(?=["'])|(?<=export .* from ["'])([^"']+)(?=["'])|(?<=import\s*["'])([^"']+)(?=["'])|(?<=import\s*\(["'])([^"']+)(?=["']\))/g;
async function loadModule(id, options = {}) {
const url = await resolve(id, options);
const code = await loadURL(url);
return evalModule(code, { ...options, url });
}
async function evalModule(code, options = {}) {
const transformed = await transformModule(code, options);
const dataURL = toDataURL(transformed);
return import(dataURL).catch((error) => {
error.stack = error.stack.replace(
new RegExp(dataURL, "g"),
options.url || "_mlly_eval_"
);
throw error;
});
}
function transformModule(code, options) {
if (options.url && options.url.endsWith(".json")) {
return Promise.resolve("export default " + code);
}
if (options.url) {
code = code.replace(/import\.meta\.url/g, `'${options.url}'`);
}
return Promise.resolve(code);
}
async function resolveImports(code, options) {
const imports = [...code.matchAll(EVAL_ESM_IMPORT_RE)].map((m) => m[0]);
if (imports.length === 0) {
return code;
}
const uniqueImports = [...new Set(imports)];
const resolved = /* @__PURE__ */ new Map();
await Promise.all(
uniqueImports.map(async (id) => {
let url = await resolve(id, options);
if (url.endsWith(".json")) {
const code2 = await loadURL(url);
url = toDataURL(await transformModule(code2, { url }));
}
resolved.set(id, url);
})
);
const re = new RegExp(
uniqueImports.map((index) => `(${index})`).join("|"),
"g"
);
return code.replace(re, (id) => resolved.get(id));
}
const ESM_RE = /([\s;]|^)(import[\s\w*,{}]*from|import\s*["'*{]|export\b\s*(?:[*{]|default|class|type|function|const|var|let|async function)|import\.meta\b)/m;
const BUILTIN_EXTENSIONS = /* @__PURE__ */ new Set([".mjs", ".cjs", ".node", ".wasm"]);
function hasESMSyntax(code) {
return ESM_RE.test(code);
}
const CJS_RE = /([\s;]|^)(module.exports\b|exports\.\w|require\s*\(|global\.\w)/m;
function hasCJSSyntax(code) {
return CJS_RE.test(code);
}
function detectSyntax(code) {
const hasESM = hasESMSyntax(code);
const hasCJS = hasCJSSyntax(code);
return {
hasESM,
hasCJS,
isMixed: hasESM && hasCJS
};
}
const validNodeImportDefaults = {
allowedProtocols: ["node", "file", "data"]
};
async function isValidNodeImport(id, _options = {}) {
if (isNodeBuiltin(id)) {
return true;
}
const options = { ...validNodeImportDefaults, ..._options };
const proto = getProtocol(id);
if (proto && !options.allowedProtocols.includes(proto)) {
return false;
}
if (proto === "data") {
return true;
}
const resolvedPath = await resolvePath(id, options);
const extension = extname(resolvedPath);
if (BUILTIN_EXTENSIONS.has(extension)) {
return true;
}
if (extension !== ".js") {
return false;
}
const package_ = await readPackageJSON(resolvedPath).catch(() => {
});
if (package_?.type === "module") {
return true;
}
if (/\.(\w+-)?esm?(-\w+)?\.js$|\/(esm?)\//.test(resolvedPath)) {
return false;
}
const code = options.code || await promises.readFile(resolvedPath, "utf8").catch(() => {
}) || "";
return hasCJSSyntax(code) || !hasESMSyntax(code);
}
export { DYNAMIC_IMPORT_RE, ESM_STATIC_IMPORT_RE, EXPORT_DECAL_RE, createCommonJS, createResolve, detectSyntax, evalModule, fileURLToPath, findDynamicImports, findExportNames, findExports, findStaticImports, getProtocol, hasCJSSyntax, hasESMSyntax, interopDefault, isNodeBuiltin, isValidNodeImport, loadModule, loadURL, normalizeid, parseStaticImport, resolve, resolveImports, resolveModuleExportNames, resolvePath, resolvePathSync, resolveSync, sanitizeFilePath, sanitizeURIComponent, toDataURL, transformModule };