mirror of
https://github.com/nodejs/node.git
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b533fb3508
Refs: https://github.com/nodejs/node/pull/32644 Refs: https://github.com/nodejs/node/pull/32662 PR-URL: https://github.com/nodejs/node/pull/32667 Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
795 lines
24 KiB
JavaScript
795 lines
24 KiB
JavaScript
'use strict';
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const {
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ArrayIsArray,
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ArrayPrototypeJoin,
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ArrayPrototypeShift,
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JSONParse,
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JSONStringify,
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ObjectFreeze,
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ObjectGetOwnPropertyNames,
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ObjectPrototypeHasOwnProperty,
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RegExp,
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SafeMap,
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SafeSet,
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String,
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StringPrototypeEndsWith,
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StringPrototypeIncludes,
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StringPrototypeIndexOf,
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StringPrototypeReplace,
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StringPrototypeSlice,
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StringPrototypeSplit,
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StringPrototypeStartsWith,
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StringPrototypeSubstr,
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} = primordials;
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const assert = require('internal/assert');
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const internalFS = require('internal/fs/utils');
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const { NativeModule } = require('internal/bootstrap/loaders');
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const {
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closeSync,
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fstatSync,
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openSync,
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readFileSync,
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realpathSync,
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statSync,
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Stats,
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} = require('fs');
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const { getOptionValue } = require('internal/options');
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const { sep, relative } = require('path');
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const { Module: CJSModule } = require('internal/modules/cjs/loader');
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const preserveSymlinks = getOptionValue('--preserve-symlinks');
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const preserveSymlinksMain = getOptionValue('--preserve-symlinks-main');
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const typeFlag = getOptionValue('--input-type');
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const { URL, pathToFileURL, fileURLToPath } = require('internal/url');
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const {
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ERR_INPUT_TYPE_NOT_ALLOWED,
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ERR_INVALID_ARG_VALUE,
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ERR_INVALID_MODULE_SPECIFIER,
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ERR_INVALID_PACKAGE_CONFIG,
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ERR_INVALID_PACKAGE_TARGET,
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ERR_MODULE_NOT_FOUND,
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ERR_PACKAGE_PATH_NOT_EXPORTED,
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ERR_UNSUPPORTED_DIR_IMPORT,
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ERR_UNSUPPORTED_ESM_URL_SCHEME,
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} = require('internal/errors').codes;
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const DEFAULT_CONDITIONS = ObjectFreeze(['node', 'import']);
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const DEFAULT_CONDITIONS_SET = new SafeSet(DEFAULT_CONDITIONS);
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function getConditionsSet(conditions) {
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if (conditions !== undefined && conditions !== DEFAULT_CONDITIONS) {
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if (!ArrayIsArray(conditions)) {
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throw new ERR_INVALID_ARG_VALUE('conditions', conditions,
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'expected an array');
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}
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return new SafeSet(conditions);
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}
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return DEFAULT_CONDITIONS_SET;
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}
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const realpathCache = new SafeMap();
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const packageJSONCache = new SafeMap(); /* string -> PackageConfig */
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function tryStatSync(path) {
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try {
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return statSync(path);
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} catch {
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return new Stats();
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}
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}
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function readIfFile(path) {
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let fd;
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try {
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fd = openSync(path, 'r');
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} catch {
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return undefined;
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}
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try {
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if (!fstatSync(fd).isFile()) return undefined;
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return readFileSync(fd, 'utf8');
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} finally {
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closeSync(fd);
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}
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}
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function getPackageConfig(path, base) {
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const existing = packageJSONCache.get(path);
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if (existing !== undefined) {
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if (!existing.isValid) {
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throw new ERR_INVALID_PACKAGE_CONFIG(path, fileURLToPath(base), false);
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}
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return existing;
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}
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const source = readIfFile(path);
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if (source === undefined) {
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const packageConfig = {
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exists: false,
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main: undefined,
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name: undefined,
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isValid: true,
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type: 'none',
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exports: undefined
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};
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packageJSONCache.set(path, packageConfig);
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return packageConfig;
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}
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let packageJSON;
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try {
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packageJSON = JSONParse(source);
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} catch {
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const packageConfig = {
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exists: true,
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main: undefined,
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name: undefined,
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isValid: false,
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type: 'none',
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exports: undefined
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};
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packageJSONCache.set(path, packageConfig);
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return packageConfig;
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}
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let { main, name, type } = packageJSON;
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const { exports } = packageJSON;
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if (typeof main !== 'string') main = undefined;
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if (typeof name !== 'string') name = undefined;
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// Ignore unknown types for forwards compatibility
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if (type !== 'module' && type !== 'commonjs') type = 'none';
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const packageConfig = {
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exists: true,
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main,
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name,
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isValid: true,
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type,
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exports
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};
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packageJSONCache.set(path, packageConfig);
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return packageConfig;
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}
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function getPackageScopeConfig(resolved, base) {
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let packageJSONUrl = new URL('./package.json', resolved);
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while (true) {
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const packageJSONPath = packageJSONUrl.pathname;
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if (StringPrototypeEndsWith(packageJSONPath, 'node_modules/package.json'))
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break;
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const packageConfig = getPackageConfig(fileURLToPath(packageJSONUrl), base);
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if (packageConfig.exists) return packageConfig;
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const lastPackageJSONUrl = packageJSONUrl;
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packageJSONUrl = new URL('../package.json', packageJSONUrl);
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// Terminates at root where ../package.json equals ../../package.json
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// (can't just check "/package.json" for Windows support).
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if (packageJSONUrl.pathname === lastPackageJSONUrl.pathname) break;
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}
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const packageConfig = {
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exists: false,
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main: undefined,
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name: undefined,
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isValid: true,
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type: 'none',
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exports: undefined
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};
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packageJSONCache.set(fileURLToPath(packageJSONUrl), packageConfig);
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return packageConfig;
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}
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/*
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* Legacy CommonJS main resolution:
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* 1. let M = pkg_url + (json main field)
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* 2. TRY(M, M.js, M.json, M.node)
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* 3. TRY(M/index.js, M/index.json, M/index.node)
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* 4. TRY(pkg_url/index.js, pkg_url/index.json, pkg_url/index.node)
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* 5. NOT_FOUND
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*/
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function fileExists(url) {
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return tryStatSync(fileURLToPath(url)).isFile();
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}
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function legacyMainResolve(packageJSONUrl, packageConfig) {
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let guess;
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if (packageConfig.main !== undefined) {
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// Note: fs check redundances will be handled by Descriptor cache here.
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if (fileExists(guess = new URL(`./${packageConfig.main}`,
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packageJSONUrl))) {
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return guess;
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}
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if (fileExists(guess = new URL(`./${packageConfig.main}.js`,
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packageJSONUrl))) {
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return guess;
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}
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if (fileExists(guess = new URL(`./${packageConfig.main}.json`,
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packageJSONUrl))) {
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return guess;
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}
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if (fileExists(guess = new URL(`./${packageConfig.main}.node`,
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packageJSONUrl))) {
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return guess;
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}
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if (fileExists(guess = new URL(`./${packageConfig.main}/index.js`,
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packageJSONUrl))) {
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return guess;
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}
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if (fileExists(guess = new URL(`./${packageConfig.main}/index.json`,
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packageJSONUrl))) {
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return guess;
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}
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if (fileExists(guess = new URL(`./${packageConfig.main}/index.node`,
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packageJSONUrl))) {
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return guess;
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}
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// Fallthrough.
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}
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if (fileExists(guess = new URL('./index.js', packageJSONUrl))) {
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return guess;
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}
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// So fs.
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if (fileExists(guess = new URL('./index.json', packageJSONUrl))) {
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return guess;
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}
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if (fileExists(guess = new URL('./index.node', packageJSONUrl))) {
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return guess;
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}
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// Not found.
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return undefined;
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}
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function resolveExtensionsWithTryExactName(search) {
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if (fileExists(search)) return search;
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return resolveExtensions(search);
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}
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const extensions = ['.js', '.json', '.node', '.mjs'];
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function resolveExtensions(search) {
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for (let i = 0; i < extensions.length; i++) {
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const extension = extensions[i];
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const guess = new URL(`${search.pathname}${extension}`, search);
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if (fileExists(guess)) return guess;
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}
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return undefined;
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}
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function resolveIndex(search) {
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return resolveExtensions(new URL('index', search));
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}
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function finalizeResolution(resolved, base) {
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if (getOptionValue('--experimental-specifier-resolution') === 'node') {
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let file = resolveExtensionsWithTryExactName(resolved);
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if (file !== undefined) return file;
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if (!StringPrototypeEndsWith(resolved.pathname, '/')) {
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file = resolveIndex(new URL(`${resolved.pathname}/`, base));
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} else {
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file = resolveIndex(resolved);
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}
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if (file !== undefined) return file;
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throw new ERR_MODULE_NOT_FOUND(
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resolved.pathname, fileURLToPath(base), 'module');
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}
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const path = fileURLToPath(resolved);
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const stats = tryStatSync(path);
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if (stats.isDirectory()) {
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const err = new ERR_UNSUPPORTED_DIR_IMPORT(
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path || resolved.pathname, fileURLToPath(base));
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err.url = String(resolved);
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throw err;
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} else if (!stats.isFile()) {
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throw new ERR_MODULE_NOT_FOUND(
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path || resolved.pathname, fileURLToPath(base), 'module');
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}
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return resolved;
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}
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function throwExportsNotFound(subpath, packageJSONUrl, base) {
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throw new ERR_PACKAGE_PATH_NOT_EXPORTED(
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fileURLToPath(packageJSONUrl), subpath, fileURLToPath(base));
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}
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function throwSubpathInvalid(subpath, packageJSONUrl, base) {
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throw new ERR_INVALID_MODULE_SPECIFIER(
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fileURLToPath(packageJSONUrl), subpath, fileURLToPath(base));
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}
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function throwExportsInvalid(
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subpath, target, packageJSONUrl, base) {
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if (typeof target === 'object' && target !== null) {
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target = JSONStringify(target, null, '');
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} else if (ArrayIsArray(target)) {
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target = `[${target}]`;
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} else {
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target = `${target}`;
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}
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throw new ERR_INVALID_PACKAGE_TARGET(
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fileURLToPath(packageJSONUrl), null, subpath, target, fileURLToPath(base));
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}
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function resolveExportsTargetString(
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target, subpath, match, packageJSONUrl, base) {
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if (target[0] !== '.' || target[1] !== '/' ||
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(subpath !== '' && target[target.length - 1] !== '/')) {
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throwExportsInvalid(match, target, packageJSONUrl, base);
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}
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const resolved = new URL(target, packageJSONUrl);
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const resolvedPath = resolved.pathname;
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const packagePath = new URL('.', packageJSONUrl).pathname;
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if (!StringPrototypeStartsWith(resolvedPath, packagePath) ||
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StringPrototypeIncludes(
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resolvedPath, '/node_modules/', packagePath.length - 1)) {
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throwExportsInvalid(match, target, packageJSONUrl, base);
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}
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if (subpath === '') return resolved;
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const subpathResolved = new URL(subpath, resolved);
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const subpathResolvedPath = subpathResolved.pathname;
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if (!StringPrototypeStartsWith(subpathResolvedPath, resolvedPath) ||
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StringPrototypeIncludes(subpathResolvedPath,
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'/node_modules/', packagePath.length - 1)) {
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throwSubpathInvalid(match + subpath, packageJSONUrl, base);
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}
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return subpathResolved;
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}
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/**
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* @param {string} key
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* @returns {boolean}
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*/
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function isArrayIndex(key) {
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const keyNum = +key;
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if (`${keyNum}` !== key) return false;
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return keyNum >= 0 && keyNum < 0xFFFF_FFFF;
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}
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function resolveExportsTarget(
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packageJSONUrl, target, subpath, packageSubpath, base, conditions) {
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if (typeof target === 'string') {
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const resolved = resolveExportsTargetString(
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target, subpath, packageSubpath, packageJSONUrl, base);
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return finalizeResolution(resolved, base);
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} else if (ArrayIsArray(target)) {
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if (target.length === 0)
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throwExportsNotFound(packageSubpath, packageJSONUrl, base);
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let lastException;
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for (let i = 0; i < target.length; i++) {
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const targetItem = target[i];
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let resolved;
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try {
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resolved = resolveExportsTarget(
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packageJSONUrl, targetItem, subpath, packageSubpath, base,
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conditions);
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} catch (e) {
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lastException = e;
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if (e.code === 'ERR_PACKAGE_PATH_NOT_EXPORTED' ||
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e.code === 'ERR_INVALID_PACKAGE_TARGET') {
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continue;
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}
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throw e;
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}
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return finalizeResolution(resolved, base);
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}
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assert(lastException !== undefined);
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throw lastException;
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} else if (typeof target === 'object' && target !== null) {
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const keys = ObjectGetOwnPropertyNames(target);
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for (let i = 0; i < keys.length; i++) {
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const key = keys[i];
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if (isArrayIndex(key)) {
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throw new ERR_INVALID_PACKAGE_CONFIG(
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fileURLToPath(packageJSONUrl),
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'"exports" cannot contain numeric property keys');
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}
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}
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for (let i = 0; i < keys.length; i++) {
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const key = keys[i];
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if (key === 'default' || conditions.has(key)) {
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const conditionalTarget = target[key];
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try {
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return resolveExportsTarget(
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packageJSONUrl, conditionalTarget, subpath, packageSubpath, base,
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conditions);
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} catch (e) {
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if (e.code === 'ERR_PACKAGE_PATH_NOT_EXPORTED') continue;
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throw e;
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}
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}
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}
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throwExportsNotFound(packageSubpath, packageJSONUrl, base);
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} else if (target === null) {
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throwExportsNotFound(packageSubpath, packageJSONUrl, base);
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}
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throwExportsInvalid(packageSubpath, target, packageJSONUrl, base);
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}
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function isConditionalExportsMainSugar(exports, packageJSONUrl, base) {
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if (typeof exports === 'string' || ArrayIsArray(exports)) return true;
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if (typeof exports !== 'object' || exports === null) return false;
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const keys = ObjectGetOwnPropertyNames(exports);
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let isConditionalSugar = false;
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let i = 0;
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for (let j = 0; j < keys.length; j++) {
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const key = keys[j];
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const curIsConditionalSugar = key === '' || key[0] !== '.';
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if (i++ === 0) {
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isConditionalSugar = curIsConditionalSugar;
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} else if (isConditionalSugar !== curIsConditionalSugar) {
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throw new ERR_INVALID_PACKAGE_CONFIG(
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fileURLToPath(packageJSONUrl),
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'"exports" cannot contain some keys starting with \'.\' and some not.' +
|
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' The exports object must either be an object of package subpath keys' +
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' or an object of main entry condition name keys only.');
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}
|
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}
|
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return isConditionalSugar;
|
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}
|
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|
|
|
|
function packageMainResolve(packageJSONUrl, packageConfig, base, conditions) {
|
|
if (packageConfig.exists) {
|
|
const exports = packageConfig.exports;
|
|
if (exports !== undefined) {
|
|
if (isConditionalExportsMainSugar(exports, packageJSONUrl, base)) {
|
|
return resolveExportsTarget(packageJSONUrl, exports, '', '', base,
|
|
conditions);
|
|
} else if (typeof exports === 'object' && exports !== null) {
|
|
const target = exports['.'];
|
|
if (target !== undefined)
|
|
return resolveExportsTarget(packageJSONUrl, target, '', '', base,
|
|
conditions);
|
|
}
|
|
|
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throw new ERR_PACKAGE_PATH_NOT_EXPORTED(packageJSONUrl, '.');
|
|
}
|
|
if (getOptionValue('--experimental-specifier-resolution') === 'node') {
|
|
if (packageConfig.main !== undefined) {
|
|
return finalizeResolution(
|
|
new URL(packageConfig.main, packageJSONUrl), base);
|
|
}
|
|
return finalizeResolution(
|
|
new URL('index', packageJSONUrl), base);
|
|
}
|
|
return legacyMainResolve(packageJSONUrl, packageConfig);
|
|
}
|
|
|
|
throw new ERR_MODULE_NOT_FOUND(
|
|
fileURLToPath(new URL('.', packageJSONUrl)), fileURLToPath(base));
|
|
}
|
|
|
|
/**
|
|
* @param {URL} packageJSONUrl
|
|
* @param {string} packageSubpath
|
|
* @param {object} packageConfig
|
|
* @param {string} base
|
|
* @param {Set<string>} conditions
|
|
* @returns {URL}
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|
*/
|
|
function packageExportsResolve(
|
|
packageJSONUrl, packageSubpath, packageConfig, base, conditions) {
|
|
const exports = packageConfig.exports;
|
|
if (exports === undefined ||
|
|
isConditionalExportsMainSugar(exports, packageJSONUrl, base)) {
|
|
throwExportsNotFound(packageSubpath, packageJSONUrl, base);
|
|
}
|
|
|
|
|
|
if (ObjectPrototypeHasOwnProperty(exports, packageSubpath)) {
|
|
const target = exports[packageSubpath];
|
|
const resolved = resolveExportsTarget(
|
|
packageJSONUrl, target, '', packageSubpath, base, conditions);
|
|
return finalizeResolution(resolved, base);
|
|
}
|
|
|
|
let bestMatch = '';
|
|
const keys = ObjectGetOwnPropertyNames(exports);
|
|
for (let i = 0; i < keys.length; i++) {
|
|
const key = keys[i];
|
|
if (key[key.length - 1] !== '/') continue;
|
|
if (StringPrototypeStartsWith(packageSubpath, key) &&
|
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key.length > bestMatch.length) {
|
|
bestMatch = key;
|
|
}
|
|
}
|
|
|
|
if (bestMatch) {
|
|
const target = exports[bestMatch];
|
|
const subpath = StringPrototypeSubstr(packageSubpath, bestMatch.length);
|
|
const resolved = resolveExportsTarget(
|
|
packageJSONUrl, target, subpath, packageSubpath, base, conditions);
|
|
return finalizeResolution(resolved, base);
|
|
}
|
|
|
|
throwExportsNotFound(packageSubpath, packageJSONUrl, base);
|
|
}
|
|
|
|
function getPackageType(url) {
|
|
const packageConfig = getPackageScopeConfig(url, url);
|
|
return packageConfig.type;
|
|
}
|
|
|
|
/**
|
|
* @param {string} specifier
|
|
* @param {URL} base
|
|
* @param {Set<string>} conditions
|
|
* @returns {URL}
|
|
*/
|
|
function packageResolve(specifier, base, conditions) {
|
|
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, undefined, fileURLToPath(base));
|
|
}
|
|
|
|
const packageSubpath = separatorIndex === -1 ?
|
|
'' : '.' + StringPrototypeSlice(specifier, separatorIndex);
|
|
|
|
// ResolveSelf
|
|
const packageConfig = getPackageScopeConfig(base, base);
|
|
if (packageConfig.exists) {
|
|
// TODO(jkrems): Find a way to forward the pair/iterator already generated
|
|
// while executing GetPackageScopeConfig
|
|
let packageJSONUrl;
|
|
for (const [ filename, packageConfigCandidate ] of packageJSONCache) {
|
|
if (packageConfig === packageConfigCandidate) {
|
|
packageJSONUrl = pathToFileURL(filename);
|
|
break;
|
|
}
|
|
}
|
|
if (packageJSONUrl !== undefined &&
|
|
packageConfig.name === packageName &&
|
|
packageConfig.exports !== undefined) {
|
|
if (packageSubpath === './') {
|
|
return new URL('./', packageJSONUrl);
|
|
} else if (packageSubpath === '') {
|
|
return packageMainResolve(packageJSONUrl, packageConfig, base,
|
|
conditions);
|
|
}
|
|
return packageExportsResolve(
|
|
packageJSONUrl, packageSubpath, packageConfig, base, conditions);
|
|
}
|
|
}
|
|
|
|
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, base);
|
|
if (packageSubpath === './') {
|
|
return new URL('./', packageJSONUrl);
|
|
} else if (packageSubpath === '') {
|
|
return packageMainResolve(packageJSONUrl, packageConfig, base,
|
|
conditions);
|
|
} else if (packageConfig.exports !== undefined) {
|
|
return packageExportsResolve(
|
|
packageJSONUrl, packageSubpath, packageConfig, base, conditions);
|
|
}
|
|
return finalizeResolution(
|
|
new URL(packageSubpath, packageJSONUrl), base);
|
|
// 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 {
|
|
try {
|
|
resolved = new URL(specifier);
|
|
} catch {
|
|
return 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;
|
|
let parsed;
|
|
try {
|
|
parsed = new URL(specifier);
|
|
if (parsed.protocol === 'data:') {
|
|
return {
|
|
url: specifier
|
|
};
|
|
}
|
|
} catch {}
|
|
if (parsed && parsed.protocol === 'nodejs:')
|
|
return { url: specifier };
|
|
if (parsed && parsed.protocol !== 'file:' && parsed.protocol !== 'data:')
|
|
throw new ERR_UNSUPPORTED_ESM_URL_SCHEME();
|
|
if (NativeModule.canBeRequiredByUsers(specifier)) {
|
|
return {
|
|
url: 'nodejs:' + 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 + (urlPath.endsWith(sep) ? '/' : ''));
|
|
url.search = old.search;
|
|
url.hash = old.hash;
|
|
}
|
|
|
|
return { url: `${url}` };
|
|
}
|
|
|
|
module.exports = {
|
|
DEFAULT_CONDITIONS,
|
|
defaultResolve,
|
|
getPackageType
|
|
};
|