aoc/node_modules/ts-node/dist-raw/node-internal-modules-esm-r...

963 lines
32 KiB
JavaScript

// Copied from https://raw.githubusercontent.com/nodejs/node/v15.3.0/lib/internal/modules/esm/resolve.js
'use strict';
const {versionGteLt} = require('../dist/util');
// Test for node >14.13.1 || (>=12.20.0 && <13)
const builtinModuleProtocol =
versionGteLt(process.versions.node, '14.13.1') ||
versionGteLt(process.versions.node, '12.20.0', '13.0.0')
? 'node:'
: 'nodejs:';
const {
ArrayIsArray,
ArrayPrototypeJoin,
ArrayPrototypeShift,
JSONParse,
JSONStringify,
ObjectFreeze,
ObjectGetOwnPropertyNames,
ObjectPrototypeHasOwnProperty,
RegExpPrototypeTest,
SafeMap,
SafeSet,
StringPrototypeEndsWith,
StringPrototypeIndexOf,
StringPrototypeLastIndexOf,
StringPrototypeReplace,
StringPrototypeSlice,
StringPrototypeSplit,
StringPrototypeStartsWith,
StringPrototypeSubstr,
} = require('./node-primordials');
// const internalFS = require('internal/fs/utils');
const Module = require('module');
const { NativeModule } = require('./node-nativemodule');
const {
realpathSync,
statSync,
Stats,
} = require('fs');
// const { getOptionValue } = require('internal/options');
const { getOptionValue } = require('./node-options');
// // Do not eagerly grab .manifest, it may be in TDZ
// const policy = getOptionValue('--experimental-policy') ?
// require('internal/process/policy') :
// null;
// disabled for now. I am not sure if/how we should support this
const policy = null;
const { sep, relative } = require('path');
const preserveSymlinks = getOptionValue('--preserve-symlinks');
const preserveSymlinksMain = getOptionValue('--preserve-symlinks-main');
const typeFlag = getOptionValue('--input-type');
// const { URL, pathToFileURL, fileURLToPath } = require('internal/url');
const { URL, pathToFileURL, fileURLToPath } = require('url');
const {
ERR_INPUT_TYPE_NOT_ALLOWED,
ERR_INVALID_ARG_VALUE,
ERR_INVALID_MODULE_SPECIFIER,
ERR_INVALID_PACKAGE_CONFIG,
ERR_INVALID_PACKAGE_TARGET,
ERR_MANIFEST_DEPENDENCY_MISSING,
ERR_MODULE_NOT_FOUND,
ERR_PACKAGE_IMPORT_NOT_DEFINED,
ERR_PACKAGE_PATH_NOT_EXPORTED,
ERR_UNSUPPORTED_DIR_IMPORT,
ERR_UNSUPPORTED_ESM_URL_SCHEME,
// } = require('internal/errors').codes;
} = require('./node-internal-errors').codes;
// const { Module: CJSModule } = require('internal/modules/cjs/loader');
const CJSModule = Module;
// const packageJsonReader = require('internal/modules/package_json_reader');
const packageJsonReader = require('./node-internal-modules-package_json_reader');
const userConditions = getOptionValue('--conditions');
const DEFAULT_CONDITIONS = ObjectFreeze(['node', 'import', ...userConditions]);
const DEFAULT_CONDITIONS_SET = new SafeSet(DEFAULT_CONDITIONS);
const pendingDeprecation = getOptionValue('--pending-deprecation');
/**
* @param {{
* extensions: import('../src/file-extensions').Extensions,
* preferTsExts: boolean | undefined;
* tsNodeExperimentalSpecifierResolution: import('../src/index').ExperimentalSpecifierResolution | undefined;
* }} opts
*/
function createResolve(opts) {
// TODO receive cached fs implementations here
const {preferTsExts, tsNodeExperimentalSpecifierResolution, extensions} = opts;
const esrnExtensions = extensions.experimentalSpecifierResolutionAddsIfOmitted;
const {legacyMainResolveAddsIfOmitted, replacementsForCjs, replacementsForJs, replacementsForMjs, replacementsForJsx} = extensions;
// const experimentalSpecifierResolution = tsNodeExperimentalSpecifierResolution ?? getOptionValue('--experimental-specifier-resolution');
const experimentalSpecifierResolution = tsNodeExperimentalSpecifierResolution != null ? tsNodeExperimentalSpecifierResolution : getOptionValue('--experimental-specifier-resolution');
const emittedPackageWarnings = new SafeSet();
function emitFolderMapDeprecation(match, pjsonUrl, isExports, base) {
const pjsonPath = fileURLToPath(pjsonUrl);
if (!pendingDeprecation) {
const nodeModulesIndex = StringPrototypeLastIndexOf(pjsonPath,
'/node_modules/');
if (nodeModulesIndex !== -1) {
const afterNodeModulesPath = StringPrototypeSlice(pjsonPath,
nodeModulesIndex + 14,
-13);
try {
const { packageSubpath } = parsePackageName(afterNodeModulesPath);
if (packageSubpath === '.')
return;
} catch {}
}
}
if (emittedPackageWarnings.has(pjsonPath + '|' + match))
return;
emittedPackageWarnings.add(pjsonPath + '|' + match);
process.emitWarning(
`Use of deprecated folder mapping "${match}" in the ${isExports ?
'"exports"' : '"imports"'} field module resolution of the package at ${
pjsonPath}${base ? ` imported from ${fileURLToPath(base)}` : ''}.\n` +
`Update this package.json to use a subpath pattern like "${match}*".`,
'DeprecationWarning',
'DEP0148'
);
}
function getConditionsSet(conditions) {
if (conditions !== undefined && conditions !== DEFAULT_CONDITIONS) {
if (!ArrayIsArray(conditions)) {
throw new ERR_INVALID_ARG_VALUE('conditions', conditions,
'expected an array');
}
return new SafeSet(conditions);
}
return DEFAULT_CONDITIONS_SET;
}
const realpathCache = new SafeMap();
const packageJSONCache = new SafeMap(); /* string -> PackageConfig */
const statSupportsThrowIfNoEntry = versionGteLt(process.versions.node, '15.3.0') ||
versionGteLt(process.versions.node, '14.17.0', '15.0.0');
const tryStatSync = statSupportsThrowIfNoEntry ? tryStatSyncWithoutErrors : tryStatSyncWithErrors;
const statsIfNotFound = new Stats();
function tryStatSyncWithoutErrors(path) {
const stats = statSync(path, { throwIfNoEntry: false });
if(stats != null) return stats;
return statsIfNotFound;
}
function tryStatSyncWithErrors(path) {
try {
return statSync(path);
} catch {
return statsIfNotFound;
}
}
function getPackageConfig(path, specifier, base) {
const existing = packageJSONCache.get(path);
if (existing !== undefined) {
return existing;
}
const source = packageJsonReader.read(path).string;
if (source === undefined) {
const packageConfig = {
pjsonPath: path,
exists: false,
main: undefined,
name: undefined,
type: 'none',
exports: undefined,
imports: undefined,
};
packageJSONCache.set(path, packageConfig);
return packageConfig;
}
let packageJSON;
try {
packageJSON = JSONParse(source);
} catch (error) {
throw new ERR_INVALID_PACKAGE_CONFIG(
path,
(base ? `"${specifier}" from ` : '') + fileURLToPath(base || specifier),
error.message
);
}
let { imports, main, name, type } = packageJSON;
const { exports } = packageJSON;
if (typeof imports !== 'object' || imports === null) imports = undefined;
if (typeof main !== 'string') main = undefined;
if (typeof name !== 'string') name = undefined;
// Ignore unknown types for forwards compatibility
if (type !== 'module' && type !== 'commonjs') type = 'none';
const packageConfig = {
pjsonPath: path,
exists: true,
main,
name,
type,
exports,
imports,
};
packageJSONCache.set(path, packageConfig);
return packageConfig;
}
function getPackageScopeConfig(resolved) {
let packageJSONUrl = new URL('./package.json', resolved);
while (true) {
const packageJSONPath = packageJSONUrl.pathname;
if (StringPrototypeEndsWith(packageJSONPath, 'node_modules/package.json'))
break;
const packageConfig = getPackageConfig(fileURLToPath(packageJSONUrl),
resolved);
if (packageConfig.exists) return packageConfig;
const lastPackageJSONUrl = packageJSONUrl;
packageJSONUrl = new URL('../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(packageJSONUrl);
const packageConfig = {
pjsonPath: packageJSONPath,
exists: false,
main: undefined,
name: undefined,
type: 'none',
exports: undefined,
imports: undefined,
};
packageJSONCache.set(packageJSONPath, packageConfig);
return packageConfig;
}
/*
* 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
*/
function fileExists(url) {
return tryStatSync(fileURLToPath(url)).isFile();
}
function legacyMainResolve(packageJSONUrl, packageConfig, base) {
let guess;
if (packageConfig.main !== undefined) {
// Note: fs check redundances will be handled by Descriptor cache here.
if(guess = resolveReplacementExtensions(new URL(`./${packageConfig.main}`, packageJSONUrl))) {
return guess;
}
if (fileExists(guess = new URL(`./${packageConfig.main}`,
packageJSONUrl))) {
return guess;
}
for(const extension of legacyMainResolveAddsIfOmitted) {
if (fileExists(guess = new URL(`./${packageConfig.main}${extension}`,
packageJSONUrl))) {
return guess;
}
}
for(const extension of legacyMainResolveAddsIfOmitted) {
if (fileExists(guess = new URL(`./${packageConfig.main}/index${extension}`,
packageJSONUrl))) {
return guess;
}
}
// Fallthrough.
}
for(const extension of legacyMainResolveAddsIfOmitted) {
if (fileExists(guess = new URL(`./index${extension}`, packageJSONUrl))) {
return guess;
}
}
// Not found.
throw new ERR_MODULE_NOT_FOUND(
fileURLToPath(new URL('.', packageJSONUrl)), fileURLToPath(base));
}
/** attempts replacement extensions, then tries exact name, then attempts appending extensions */
function resolveExtensionsWithTryExactName(search) {
const resolvedReplacementExtension = resolveReplacementExtensions(search);
if(resolvedReplacementExtension) return resolvedReplacementExtension;
if (fileExists(search)) return search;
return resolveExtensions(search);
}
// This appends missing extensions
function resolveExtensions(search) {
for (let i = 0; i < esrnExtensions.length; i++) {
const extension = esrnExtensions[i];
const guess = new URL(`${search.pathname}${extension}`, search);
if (fileExists(guess)) return guess;
}
return undefined;
}
/** This replaces JS with TS extensions */
function resolveReplacementExtensions(search) {
const lastDotIndex = search.pathname.lastIndexOf('.');
if(lastDotIndex >= 0) {
const ext = search.pathname.slice(lastDotIndex);
if (ext === '.js' || ext === '.jsx' || ext === '.mjs' || ext === '.cjs') {
const pathnameWithoutExtension = search.pathname.slice(0, lastDotIndex);
const replacementExts =
ext === '.js' ? replacementsForJs
: ext === '.jsx' ? replacementsForJsx
: ext === '.mjs' ? replacementsForMjs
: replacementsForCjs;
const guess = new URL(search.toString());
for (let i = 0; i < replacementExts.length; i++) {
const extension = replacementExts[i];
guess.pathname = `${pathnameWithoutExtension}${extension}`;
if (fileExists(guess)) return guess;
}
}
}
return undefined;
}
function resolveIndex(search) {
return resolveExtensions(new URL('index', search));
}
const encodedSepRegEx = /%2F|%2C/i;
function finalizeResolution(resolved, base) {
if (RegExpPrototypeTest(encodedSepRegEx, resolved.pathname))
throw new ERR_INVALID_MODULE_SPECIFIER(
resolved.pathname, 'must not include encoded "/" or "\\" characters',
fileURLToPath(base));
if (experimentalSpecifierResolution === 'node') {
const path = fileURLToPath(resolved);
let file = resolveExtensionsWithTryExactName(resolved);
if (file !== undefined) return file;
if (!StringPrototypeEndsWith(path, '/')) {
file = resolveIndex(new URL(`${resolved}/`));
if (file !== undefined) return file;
} else {
return resolveIndex(resolved) || resolved;
}
throw new ERR_MODULE_NOT_FOUND(
resolved.pathname, fileURLToPath(base), 'module');
}
const file = resolveReplacementExtensions(resolved) || resolved;
const path = fileURLToPath(file);
const stats = tryStatSync(StringPrototypeEndsWith(path, '/') ?
StringPrototypeSlice(path, -1) : path);
if (stats.isDirectory()) {
const err = new ERR_UNSUPPORTED_DIR_IMPORT(path, fileURLToPath(base));
err.url = String(resolved);
throw err;
} else if (!stats.isFile()) {
throw new ERR_MODULE_NOT_FOUND(
path || resolved.pathname, fileURLToPath(base), 'module');
}
return file;
}
function throwImportNotDefined(specifier, packageJSONUrl, base) {
throw new ERR_PACKAGE_IMPORT_NOT_DEFINED(
specifier, packageJSONUrl && fileURLToPath(new URL('.', packageJSONUrl)),
fileURLToPath(base));
}
function throwExportsNotFound(subpath, packageJSONUrl, base) {
throw new ERR_PACKAGE_PATH_NOT_EXPORTED(
fileURLToPath(new URL('.', packageJSONUrl)), subpath,
base && fileURLToPath(base));
}
function throwInvalidSubpath(subpath, packageJSONUrl, internal, base) {
const reason = `request is not a valid subpath for the "${internal ?
'imports' : 'exports'}" resolution of ${fileURLToPath(packageJSONUrl)}`;
throw new ERR_INVALID_MODULE_SPECIFIER(subpath, reason,
base && fileURLToPath(base));
}
function throwInvalidPackageTarget(
subpath, target, packageJSONUrl, internal, base) {
if (typeof target === 'object' && target !== null) {
target = JSONStringify(target, null, '');
} else {
target = `${target}`;
}
throw new ERR_INVALID_PACKAGE_TARGET(
fileURLToPath(new URL('.', packageJSONUrl)), subpath, target,
internal, base && fileURLToPath(base));
}
const invalidSegmentRegEx = /(^|\\|\/)(\.\.?|node_modules)(\\|\/|$)/;
const patternRegEx = /\*/g;
function resolvePackageTargetString(
target, subpath, match, packageJSONUrl, base, pattern, internal, conditions) {
if (subpath !== '' && !pattern && target[target.length - 1] !== '/')
throwInvalidPackageTarget(match, target, packageJSONUrl, internal, base);
if (!StringPrototypeStartsWith(target, './')) {
if (internal && !StringPrototypeStartsWith(target, '../') &&
!StringPrototypeStartsWith(target, '/')) {
let isURL = false;
try {
new URL(target);
isURL = true;
} catch {}
if (!isURL) {
const exportTarget = pattern ?
StringPrototypeReplace(target, patternRegEx, subpath) :
target + subpath;
return packageResolve(exportTarget, packageJSONUrl, conditions);
}
}
throwInvalidPackageTarget(match, target, packageJSONUrl, internal, base);
}
if (RegExpPrototypeTest(invalidSegmentRegEx, StringPrototypeSlice(target, 2)))
throwInvalidPackageTarget(match, target, packageJSONUrl, internal, base);
const resolved = new URL(target, packageJSONUrl);
const resolvedPath = resolved.pathname;
const packagePath = new URL('.', packageJSONUrl).pathname;
if (!StringPrototypeStartsWith(resolvedPath, packagePath))
throwInvalidPackageTarget(match, target, packageJSONUrl, internal, base);
if (subpath === '') return resolved;
if (RegExpPrototypeTest(invalidSegmentRegEx, subpath))
throwInvalidSubpath(match + subpath, packageJSONUrl, internal, base);
if (pattern)
return new URL(StringPrototypeReplace(resolved.href, patternRegEx,
subpath));
return new URL(subpath, resolved);
}
/**
* @param {string} key
* @returns {boolean}
*/
function isArrayIndex(key) {
const keyNum = +key;
if (`${keyNum}` !== key) return false;
return keyNum >= 0 && keyNum < 0xFFFF_FFFF;
}
function resolvePackageTarget(packageJSONUrl, target, subpath, packageSubpath,
base, pattern, internal, conditions) {
if (typeof target === 'string') {
return resolvePackageTargetString(
target, subpath, packageSubpath, packageJSONUrl, base, pattern, internal,
conditions);
} else if (ArrayIsArray(target)) {
if (target.length === 0)
return null;
let lastException;
for (let i = 0; i < target.length; i++) {
const targetItem = target[i];
let resolved;
try {
resolved = resolvePackageTarget(
packageJSONUrl, targetItem, subpath, packageSubpath, base, pattern,
internal, conditions);
} catch (e) {
lastException = e;
if (e.code === 'ERR_INVALID_PACKAGE_TARGET')
continue;
throw e;
}
if (resolved === undefined)
continue;
if (resolved === null) {
lastException = null;
continue;
}
return resolved;
}
if (lastException === undefined || lastException === null)
return lastException;
throw lastException;
} else if (typeof target === 'object' && target !== null) {
const keys = ObjectGetOwnPropertyNames(target);
for (let i = 0; i < keys.length; i++) {
const key = keys[i];
if (isArrayIndex(key)) {
throw new ERR_INVALID_PACKAGE_CONFIG(
fileURLToPath(packageJSONUrl), base,
'"exports" cannot contain numeric property keys.');
}
}
for (let i = 0; i < keys.length; i++) {
const key = keys[i];
if (key === 'default' || conditions.has(key)) {
const conditionalTarget = target[key];
const resolved = resolvePackageTarget(
packageJSONUrl, conditionalTarget, subpath, packageSubpath, base,
pattern, internal, conditions);
if (resolved === undefined)
continue;
return resolved;
}
}
return undefined;
} else if (target === null) {
return null;
}
throwInvalidPackageTarget(packageSubpath, target, packageJSONUrl, internal,
base);
}
function isConditionalExportsMainSugar(exports, packageJSONUrl, base) {
if (typeof exports === 'string' || ArrayIsArray(exports)) return true;
if (typeof exports !== 'object' || exports === null) return false;
const keys = ObjectGetOwnPropertyNames(exports);
let isConditionalSugar = false;
let i = 0;
for (let j = 0; j < keys.length; j++) {
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(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 {URL} packageJSONUrl
* @param {string} packageSubpath
* @param {object} packageConfig
* @param {string} base
* @param {Set<string>} conditions
* @returns {{resolved: URL, exact: boolean}}
*/
function packageExportsResolve(
packageJSONUrl, packageSubpath, packageConfig, base, conditions) {
let exports = packageConfig.exports;
if (isConditionalExportsMainSugar(exports, packageJSONUrl, base))
exports = { '.': exports };
if (ObjectPrototypeHasOwnProperty(exports, packageSubpath)) {
const target = exports[packageSubpath];
const resolved = resolvePackageTarget(
packageJSONUrl, target, '', packageSubpath, base, false, false, conditions
);
if (resolved === null || resolved === undefined)
throwExportsNotFound(packageSubpath, packageJSONUrl, base);
return { resolved, exact: true };
}
let bestMatch = '';
const keys = ObjectGetOwnPropertyNames(exports);
for (let i = 0; i < keys.length; i++) {
const key = keys[i];
if (key[key.length - 1] === '*' &&
StringPrototypeStartsWith(packageSubpath,
StringPrototypeSlice(key, 0, -1)) &&
packageSubpath.length >= key.length &&
key.length > bestMatch.length) {
bestMatch = key;
} else if (key[key.length - 1] === '/' &&
StringPrototypeStartsWith(packageSubpath, key) &&
key.length > bestMatch.length) {
bestMatch = key;
}
}
if (bestMatch) {
const target = exports[bestMatch];
const pattern = bestMatch[bestMatch.length - 1] === '*';
const subpath = StringPrototypeSubstr(packageSubpath, bestMatch.length -
(pattern ? 1 : 0));
const resolved = resolvePackageTarget(packageJSONUrl, target, subpath,
bestMatch, base, pattern, false,
conditions);
if (resolved === null || resolved === undefined)
throwExportsNotFound(packageSubpath, packageJSONUrl, base);
if (!pattern)
emitFolderMapDeprecation(bestMatch, packageJSONUrl, true, base);
return { resolved, exact: pattern };
}
throwExportsNotFound(packageSubpath, packageJSONUrl, base);
}
function packageImportsResolve(name, base, conditions) {
if (name === '#' || StringPrototypeStartsWith(name, '#/')) {
const reason = 'is not a valid internal imports specifier name';
throw new ERR_INVALID_MODULE_SPECIFIER(name, reason, fileURLToPath(base));
}
let packageJSONUrl;
const packageConfig = getPackageScopeConfig(base);
if (packageConfig.exists) {
packageJSONUrl = pathToFileURL(packageConfig.pjsonPath);
const imports = packageConfig.imports;
if (imports) {
if (ObjectPrototypeHasOwnProperty(imports, name)) {
const resolved = resolvePackageTarget(
packageJSONUrl, imports[name], '', name, base, false, true, conditions
);
if (resolved !== null)
return { resolved, exact: true };
} else {
let bestMatch = '';
const keys = ObjectGetOwnPropertyNames(imports);
for (let i = 0; i < keys.length; i++) {
const key = keys[i];
if (key[key.length - 1] === '*' &&
StringPrototypeStartsWith(name,
StringPrototypeSlice(key, 0, -1)) &&
name.length >= key.length &&
key.length > bestMatch.length) {
bestMatch = key;
} else if (key[key.length - 1] === '/' &&
StringPrototypeStartsWith(name, key) &&
key.length > bestMatch.length) {
bestMatch = key;
}
}
if (bestMatch) {
const target = imports[bestMatch];
const pattern = bestMatch[bestMatch.length - 1] === '*';
const subpath = StringPrototypeSubstr(name, bestMatch.length -
(pattern ? 1 : 0));
const resolved = resolvePackageTarget(
packageJSONUrl, target, subpath, bestMatch, base, pattern, true,
conditions);
if (resolved !== null) {
if (!pattern)
emitFolderMapDeprecation(bestMatch, packageJSONUrl, false, base);
return { resolved, exact: pattern };
}
}
}
}
}
throwImportNotDefined(name, packageJSONUrl, base);
}
function getPackageType(url) {
const packageConfig = getPackageScopeConfig(url);
return packageConfig.type;
}
function parsePackageName(specifier, base) {
let separatorIndex = StringPrototypeIndexOf(specifier, '/');
let validPackageName = true;
let isScoped = false;
if (specifier[0] === '@') {
isScoped = true;
if (separatorIndex === -1 || specifier.length === 0) {
validPackageName = false;
} else {
separatorIndex = StringPrototypeIndexOf(
specifier, '/', separatorIndex + 1);
}
}
const packageName = separatorIndex === -1 ?
specifier : StringPrototypeSlice(specifier, 0, separatorIndex);
// Package name cannot have leading . and cannot have percent-encoding or
// separators.
for (let i = 0; i < packageName.length; i++) {
if (packageName[i] === '%' || packageName[i] === '\\') {
validPackageName = false;
break;
}
}
if (!validPackageName) {
throw new ERR_INVALID_MODULE_SPECIFIER(
specifier, 'is not a valid package name', fileURLToPath(base));
}
const packageSubpath = '.' + (separatorIndex === -1 ? '' :
StringPrototypeSlice(specifier, separatorIndex));
return { packageName, packageSubpath, isScoped };
}
/**
* @param {string} specifier
* @param {URL} base
* @param {Set<string>} conditions
* @returns {URL}
*/
function packageResolve(specifier, base, conditions) {
const { packageName, packageSubpath, isScoped } =
parsePackageName(specifier, base);
// ResolveSelf
const packageConfig = getPackageScopeConfig(base);
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
).resolved;
}
}
let packageJSONUrl =
new URL('./node_modules/' + packageName + '/package.json', base);
let packageJSONPath = fileURLToPath(packageJSONUrl);
let lastPath;
do {
const stat = tryStatSync(StringPrototypeSlice(packageJSONPath, 0,
packageJSONPath.length - 13));
if (!stat.isDirectory()) {
lastPath = packageJSONPath;
packageJSONUrl = new URL((isScoped ?
'../../../../node_modules/' : '../../../node_modules/') +
packageName + '/package.json', packageJSONUrl);
packageJSONPath = fileURLToPath(packageJSONUrl);
continue;
}
// Package match.
const packageConfig = getPackageConfig(packageJSONPath, specifier, base);
if (packageConfig.exports !== undefined && packageConfig.exports !== null)
return packageExportsResolve(
packageJSONUrl, packageSubpath, packageConfig, base, conditions
).resolved;
if (packageSubpath === '.')
return legacyMainResolve(packageJSONUrl, packageConfig, base);
return new URL(packageSubpath, packageJSONUrl);
// Cross-platform root check.
} while (packageJSONPath.length !== lastPath.length);
// eslint can't handle the above code.
// eslint-disable-next-line no-unreachable
throw new ERR_MODULE_NOT_FOUND(packageName, fileURLToPath(base));
}
function isBareSpecifier(specifier) {
return specifier[0] && specifier[0] !== '/' && specifier[0] !== '.';
}
function isRelativeSpecifier(specifier) {
if (specifier[0] === '.') {
if (specifier.length === 1 || specifier[1] === '/') return true;
if (specifier[1] === '.') {
if (specifier.length === 2 || specifier[2] === '/') return true;
}
}
return false;
}
function shouldBeTreatedAsRelativeOrAbsolutePath(specifier) {
if (specifier === '') return false;
if (specifier[0] === '/') return true;
return isRelativeSpecifier(specifier);
}
/**
* @param {string} specifier
* @param {URL} base
* @param {Set<string>} conditions
* @returns {URL}
*/
function moduleResolve(specifier, base, conditions) {
// Order swapped from spec for minor perf gain.
// Ok since relative URLs cannot parse as URLs.
let resolved;
if (shouldBeTreatedAsRelativeOrAbsolutePath(specifier)) {
resolved = new URL(specifier, base);
} else if (specifier[0] === '#') {
({ resolved } = packageImportsResolve(specifier, base, conditions));
} else {
try {
resolved = new URL(specifier);
} catch {
resolved = packageResolve(specifier, base, conditions);
}
}
return finalizeResolution(resolved, base);
}
/**
* Try to resolve an import as a CommonJS module
* @param {string} specifier
* @param {string} parentURL
* @returns {boolean|string}
*/
function resolveAsCommonJS(specifier, parentURL) {
try {
const parent = fileURLToPath(parentURL);
const tmpModule = new CJSModule(parent, null);
tmpModule.paths = CJSModule._nodeModulePaths(parent);
let found = CJSModule._resolveFilename(specifier, tmpModule, false);
// If it is a relative specifier return the relative path
// to the parent
if (isRelativeSpecifier(specifier)) {
found = relative(parent, found);
// Add '.separator if the path does not start with '..separator'
// This should be a safe assumption because when loading
// esm modules there should be always a file specified so
// there should not be a specifier like '..' or '.'
if (!StringPrototypeStartsWith(found, `..${sep}`)) {
found = `.${sep}${found}`;
}
} else if (isBareSpecifier(specifier)) {
// If it is a bare specifier return the relative path within the
// module
const pkg = StringPrototypeSplit(specifier, '/')[0];
const index = StringPrototypeIndexOf(found, pkg);
if (index !== -1) {
found = StringPrototypeSlice(found, index);
}
}
// Normalize the path separator to give a valid suggestion
// on Windows
if (process.platform === 'win32') {
found = StringPrototypeReplace(found, new RegExp(`\\${sep}`, 'g'), '/');
}
return found;
} catch {
return false;
}
}
function defaultResolve(specifier, context = {}, defaultResolveUnused) {
let { parentURL, conditions } = context;
if (parentURL && policy != null && policy.manifest) {
const redirects = policy.manifest.getDependencyMapper(parentURL);
if (redirects) {
const { resolve, reaction } = redirects;
const destination = resolve(specifier, new SafeSet(conditions));
let missing = true;
if (destination === true) {
missing = false;
} else if (destination) {
const href = destination.href;
return { url: href };
}
if (missing) {
reaction(new ERR_MANIFEST_DEPENDENCY_MISSING(
parentURL,
specifier,
ArrayPrototypeJoin([...conditions], ', '))
);
}
}
}
let parsed;
try {
parsed = new URL(specifier);
if (parsed.protocol === 'data:') {
return {
url: specifier
};
}
} catch {}
if (parsed && parsed.protocol === builtinModuleProtocol)
return { url: specifier };
if (parsed && parsed.protocol !== 'file:' && parsed.protocol !== 'data:')
throw new ERR_UNSUPPORTED_ESM_URL_SCHEME(parsed);
if (NativeModule.canBeRequiredByUsers(specifier)) {
return {
url: builtinModuleProtocol + specifier
};
}
if (parentURL && StringPrototypeStartsWith(parentURL, 'data:')) {
// This is gonna blow up, we want the error
new URL(specifier, parentURL);
}
const isMain = parentURL === undefined;
if (isMain) {
parentURL = pathToFileURL(`${process.cwd()}/`).href;
// This is the initial entry point to the program, and --input-type has
// been passed as an option; but --input-type can only be used with
// --eval, --print or STDIN string input. It is not allowed with file
// input, to avoid user confusion over how expansive the effect of the
// flag should be (i.e. entry point only, package scope surrounding the
// entry point, etc.).
if (typeFlag)
throw new ERR_INPUT_TYPE_NOT_ALLOWED();
}
conditions = getConditionsSet(conditions);
let url;
try {
url = moduleResolve(specifier, parentURL, conditions);
} catch (error) {
// Try to give the user a hint of what would have been the
// resolved CommonJS module
if (error.code === 'ERR_MODULE_NOT_FOUND' ||
error.code === 'ERR_UNSUPPORTED_DIR_IMPORT') {
if (StringPrototypeStartsWith(specifier, 'file://')) {
specifier = fileURLToPath(specifier);
}
const found = resolveAsCommonJS(specifier, parentURL);
if (found) {
// Modify the stack and message string to include the hint
const lines = StringPrototypeSplit(error.stack, '\n');
const hint = `Did you mean to import ${found}?`;
error.stack =
ArrayPrototypeShift(lines) + '\n' +
hint + '\n' +
ArrayPrototypeJoin(lines, '\n');
error.message += `\n${hint}`;
}
}
throw error;
}
if (isMain ? !preserveSymlinksMain : !preserveSymlinks) {
const urlPath = fileURLToPath(url);
const real = realpathSync(urlPath, {
// [internalFS.realpathCacheKey]: realpathCache
});
const old = url;
url = pathToFileURL(
real + (StringPrototypeEndsWith(urlPath, sep) ? '/' : ''));
url.search = old.search;
url.hash = old.hash;
}
return { url: `${url}` };
}
return {
DEFAULT_CONDITIONS,
defaultResolve,
encodedSepRegEx,
getPackageType,
packageExportsResolve,
packageImportsResolve
};
}
module.exports = {
createResolve
};