e34fa2052a
Adds @xuqm/h5-sdk/private entry point with JSON-based initialization, feature gating, and error codes for private deployment scenarios. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
177 行
8.4 KiB
JavaScript
177 行
8.4 KiB
JavaScript
"use strict";
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// Copyright (c) Microsoft Corporation. All rights reserved. Licensed under the MIT license.
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// See LICENSE in the project root for license information.
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var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
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if (k2 === undefined) k2 = k;
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var desc = Object.getOwnPropertyDescriptor(m, k);
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if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
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desc = { enumerable: true, get: function() { return m[k]; } };
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}
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Object.defineProperty(o, k2, desc);
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}) : (function(o, m, k, k2) {
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if (k2 === undefined) k2 = k;
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o[k2] = m[k];
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}));
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var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
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Object.defineProperty(o, "default", { enumerable: true, value: v });
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}) : function(o, v) {
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o["default"] = v;
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});
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var __importStar = (this && this.__importStar) || (function () {
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var ownKeys = function(o) {
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ownKeys = Object.getOwnPropertyNames || function (o) {
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var ar = [];
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for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
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return ar;
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};
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return ownKeys(o);
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};
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return function (mod) {
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if (mod && mod.__esModule) return mod;
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var result = {};
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if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
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__setModuleDefault(result, mod);
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return result;
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};
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})();
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.RealNodeModulePathResolver = void 0;
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const nodeFs = __importStar(require("node:fs"));
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const nodePath = __importStar(require("node:path"));
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/**
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* This class encapsulates a caching resolver for symlinks in node_modules directories.
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* It assumes that the only symlinks that exist in input paths are those that correspond to
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* npm packages.
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*
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* @remarks
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* In a repository with a symlinked node_modules installation, some symbolic links need to be mapped for
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* node module resolution to produce correct results. However, calling `fs.realpathSync.native` on every path,
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* as is commonly done by most resolvers, involves an enormous number of file system operations (for reference,
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* each invocation of `fs.realpathSync.native` involves a series of `fs.readlinkSync` calls, up to one for each
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* path segment in the input).
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*
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* @public
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*/
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class RealNodeModulePathResolver {
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constructor(options = {}) {
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const { fs: { lstatSync = nodeFs.lstatSync, readlinkSync = nodeFs.readlinkSync } = nodeFs, path: { isAbsolute = nodePath.isAbsolute, join = nodePath.join, resolve = nodePath.resolve, sep = nodePath.sep } = nodePath, ignoreMissingPaths = false } = options;
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const cache = (this._cache = new Map());
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this._errorCache = new Map();
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this._fs = {
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lstatSync,
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readlinkSync
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};
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this._path = {
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isAbsolute,
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join,
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resolve,
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sep
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};
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this._lstatOptions = {
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throwIfNoEntry: !ignoreMissingPaths
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};
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const nodeModulesToken = `${sep}node_modules${sep}`;
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const self = this;
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function realNodeModulePathInternal(input) {
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// Find the last node_modules path segment
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const nodeModulesIndex = input.lastIndexOf(nodeModulesToken);
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if (nodeModulesIndex < 0) {
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// No node_modules in path, so we assume it is already the real path
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return input;
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}
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// First assume that the next path segment after node_modules is a symlink
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let linkStart = nodeModulesIndex + nodeModulesToken.length - 1;
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let linkEnd = input.indexOf(sep, linkStart + 1);
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// If the path segment starts with a '@', then it is a scoped package
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const isScoped = input.charAt(linkStart + 1) === '@';
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if (isScoped) {
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// For a scoped package, the scope is an ordinary directory, so we need to find the next path segment
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if (linkEnd < 0) {
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// Symlink missing, so see if anything before the last node_modules needs resolving,
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// and preserve the rest of the path
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return join(realNodeModulePathInternal(input.slice(0, nodeModulesIndex)), input.slice(nodeModulesIndex + 1),
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// Joining to `.` will clean up any extraneous trailing slashes
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'.');
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}
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linkStart = linkEnd;
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linkEnd = input.indexOf(sep, linkStart + 1);
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}
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// No trailing separator, so the link is the last path segment
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if (linkEnd < 0) {
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linkEnd = input.length;
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}
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const linkCandidate = input.slice(0, linkEnd);
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// Check if the link is a symlink
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const linkTarget = self._tryReadLink(linkCandidate);
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if (linkTarget && isAbsolute(linkTarget)) {
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// Absolute path, combine the link target with any remaining path segments
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// Cache the resolution to avoid the readlink call in subsequent calls
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cache.set(linkCandidate, linkTarget);
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cache.set(linkTarget, linkTarget);
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// Joining to `.` will clean up any extraneous trailing slashes
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return join(linkTarget, input.slice(linkEnd + 1), '.');
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}
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// Relative path or does not exist
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// Either way, the path before the last node_modules could itself be in a node_modules folder
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// So resolve the base path to find out what paths are relative to
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const realpathBeforeNodeModules = realNodeModulePathInternal(input.slice(0, nodeModulesIndex));
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if (linkTarget) {
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// Relative path in symbolic link. Should be resolved relative to real path of base path.
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const resolvedTarget = resolve(realpathBeforeNodeModules, input.slice(nodeModulesIndex + 1, linkStart), linkTarget);
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// Cache the result of the combined resolution to avoid the readlink call in subsequent calls
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cache.set(linkCandidate, resolvedTarget);
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cache.set(resolvedTarget, resolvedTarget);
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// Joining to `.` will clean up any extraneous trailing slashes
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return join(resolvedTarget, input.slice(linkEnd + 1), '.');
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}
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// No symlink, so just return the real path before the last node_modules combined with the
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// subsequent path segments
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// Joining to `.` will clean up any extraneous trailing slashes
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return join(realpathBeforeNodeModules, input.slice(nodeModulesIndex + 1), '.');
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}
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this.realNodeModulePath = (input) => {
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return realNodeModulePathInternal(resolve(input));
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};
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}
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/**
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* Clears the cache of resolved symlinks.
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* @public
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*/
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clearCache() {
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this._cache.clear();
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}
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/**
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* Tries to read a symbolic link at the specified path.
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* If the input is not a symbolic link, returns undefined.
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* @param link - The link to try to read
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* @returns The target of the symbolic link, or undefined if the input is not a symbolic link
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*/
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_tryReadLink(link) {
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const cached = this._cache.get(link);
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if (cached !== undefined) {
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return cached || undefined;
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}
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const cachedError = this._errorCache.get(link);
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if (cachedError) {
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// Fill the properties but fix the stack trace.
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throw Object.assign(new Error(cachedError.message), cachedError);
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}
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// On Windows, calling `readlink` on a directory throws an EUNKOWN, not EINVAL, so just pay the cost
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// of an lstat call.
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try {
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const stat = this._fs.lstatSync(link, this._lstatOptions);
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if (stat === null || stat === void 0 ? void 0 : stat.isSymbolicLink()) {
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// path.join(x, '.') will trim trailing slashes, if applicable
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const result = this._path.join(this._fs.readlinkSync(link, 'utf8'), '.');
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return result;
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}
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// Ensure we cache that this was not a symbolic link.
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this._cache.set(link, false);
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}
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catch (err) {
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this._errorCache.set(link, err);
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}
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}
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}
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exports.RealNodeModulePathResolver = RealNodeModulePathResolver;
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//# sourceMappingURL=RealNodeModulePath.js.map
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