194 lines
7.4 KiB
JavaScript
194 lines
7.4 KiB
JavaScript
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"use strict";
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var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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return new (P || (P = Promise))(function (resolve, reject) {
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function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
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function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
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function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
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step((generator = generator.apply(thisArg, _arguments || [])).next());
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});
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};
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var _a;
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Object.defineProperty(exports, "__esModule", { value: true });
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const assert_1 = require("assert");
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const fs = require("fs");
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const path = require("path");
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_a = fs.promises, exports.copyFile = _a.copyFile, exports.lstat = _a.lstat, exports.mkdir = _a.mkdir, exports.readdir = _a.readdir, exports.rmdir = _a.rmdir, exports.stat = _a.stat, exports.unlink = _a.unlink;
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exports.IS_WINDOWS = process.platform === 'win32';
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function exists(fsPath) {
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return __awaiter(this, void 0, void 0, function* () {
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try {
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yield exports.stat(fsPath);
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}
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catch (err) {
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if (err.code === 'ENOENT') {
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return false;
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}
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throw err;
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}
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return true;
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});
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}
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exports.exists = exists;
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function isDirectory(fsPath, useStat = false) {
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return __awaiter(this, void 0, void 0, function* () {
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const stats = useStat ? yield exports.stat(fsPath) : yield exports.lstat(fsPath);
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return stats.isDirectory();
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});
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}
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exports.isDirectory = isDirectory;
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/**
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* On OSX/Linux, true if path starts with '/'. On Windows, true for paths like:
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* \, \hello, \\hello\share, C:, and C:\hello (and corresponding alternate separator cases).
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*/
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function isRooted(p) {
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p = normalizeSeparators(p);
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if (!p) {
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throw new Error('isRooted() parameter "p" cannot be empty');
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}
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if (exports.IS_WINDOWS) {
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return (p.startsWith('\\') || /^[A-Z]:/i.test(p) // e.g. \ or \hello or \\hello
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); // e.g. C: or C:\hello
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}
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return p.startsWith('/');
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}
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exports.isRooted = isRooted;
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/**
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* Recursively create a directory at `fsPath`.
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*
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* This implementation is optimistic, meaning it attempts to create the full
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* path first, and backs up the path stack from there.
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*
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* @param fsPath The path to create
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* @param maxDepth The maximum recursion depth
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* @param depth The current recursion depth
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*/
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function mkdirP(fsPath, maxDepth = 1000, depth = 1) {
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return __awaiter(this, void 0, void 0, function* () {
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assert_1.ok(fsPath, 'a path argument must be provided');
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fsPath = path.resolve(fsPath);
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if (depth >= maxDepth)
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return exports.mkdir(fsPath);
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try {
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yield exports.mkdir(fsPath);
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return;
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}
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catch (err) {
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switch (err.code) {
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case 'ENOENT': {
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yield mkdirP(path.dirname(fsPath), maxDepth, depth + 1);
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yield exports.mkdir(fsPath);
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return;
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}
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default: {
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let stats;
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try {
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stats = yield exports.stat(fsPath);
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}
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catch (err2) {
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throw err;
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}
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if (!stats.isDirectory())
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throw err;
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}
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}
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}
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});
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}
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exports.mkdirP = mkdirP;
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/**
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* Best effort attempt to determine whether a file exists and is executable.
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* @param filePath file path to check
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* @param extensions additional file extensions to try
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* @return if file exists and is executable, returns the file path. otherwise empty string.
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*/
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function tryGetExecutablePath(filePath, extensions) {
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return __awaiter(this, void 0, void 0, function* () {
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let stats = undefined;
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try {
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// test file exists
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stats = yield exports.stat(filePath);
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}
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catch (err) {
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if (err.code !== 'ENOENT') {
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// eslint-disable-next-line no-console
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console.log(`Unexpected error attempting to determine if executable file exists '${filePath}': ${err}`);
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}
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}
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if (stats && stats.isFile()) {
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if (exports.IS_WINDOWS) {
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// on Windows, test for valid extension
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const upperExt = path.extname(filePath).toUpperCase();
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if (extensions.some(validExt => validExt.toUpperCase() === upperExt)) {
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return filePath;
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}
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}
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else {
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if (isUnixExecutable(stats)) {
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return filePath;
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}
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}
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}
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// try each extension
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const originalFilePath = filePath;
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for (const extension of extensions) {
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filePath = originalFilePath + extension;
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stats = undefined;
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try {
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stats = yield exports.stat(filePath);
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}
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catch (err) {
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if (err.code !== 'ENOENT') {
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// eslint-disable-next-line no-console
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console.log(`Unexpected error attempting to determine if executable file exists '${filePath}': ${err}`);
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}
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}
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if (stats && stats.isFile()) {
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if (exports.IS_WINDOWS) {
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// preserve the case of the actual file (since an extension was appended)
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try {
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const directory = path.dirname(filePath);
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const upperName = path.basename(filePath).toUpperCase();
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for (const actualName of yield exports.readdir(directory)) {
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if (upperName === actualName.toUpperCase()) {
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filePath = path.join(directory, actualName);
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break;
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}
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}
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}
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catch (err) {
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// eslint-disable-next-line no-console
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console.log(`Unexpected error attempting to determine the actual case of the file '${filePath}': ${err}`);
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}
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return filePath;
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}
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else {
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if (isUnixExecutable(stats)) {
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return filePath;
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}
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}
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}
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}
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return '';
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});
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}
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exports.tryGetExecutablePath = tryGetExecutablePath;
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function normalizeSeparators(p) {
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p = p || '';
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if (exports.IS_WINDOWS) {
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// convert slashes on Windows
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p = p.replace(/\//g, '\\');
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// remove redundant slashes
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return p.replace(/\\\\+/g, '\\');
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}
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// remove redundant slashes
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return p.replace(/\/\/+/g, '/');
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}
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// on Mac/Linux, test the execute bit
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// R W X R W X R W X
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// 256 128 64 32 16 8 4 2 1
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function isUnixExecutable(stats) {
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return ((stats.mode & 1) > 0 ||
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((stats.mode & 8) > 0 && stats.gid === process.getgid()) ||
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((stats.mode & 64) > 0 && stats.uid === process.getuid()));
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}
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//# sourceMappingURL=io-util.js.map
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