245 lines
9.1 KiB
JavaScript
245 lines
9.1 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.readdirpPromise = exports.readdirp = exports.ReaddirpStream = void 0;
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const fs_1 = require("fs");
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const promises_1 = require("fs/promises");
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const stream_1 = require("stream");
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const path_1 = require("path");
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function defaultOptions() {
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return {
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root: '.',
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fileFilter: (_path) => true,
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directoryFilter: (_path) => true,
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type: FILE_TYPE,
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lstat: false,
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depth: 2147483648,
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alwaysStat: false,
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highWaterMark: 4096,
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};
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}
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const RECURSIVE_ERROR_CODE = 'READDIRP_RECURSIVE_ERROR';
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const NORMAL_FLOW_ERRORS = new Set(['ENOENT', 'EPERM', 'EACCES', 'ELOOP', RECURSIVE_ERROR_CODE]);
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const FILE_TYPE = 'files';
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const DIR_TYPE = 'directories';
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const FILE_DIR_TYPE = 'files_directories';
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const EVERYTHING_TYPE = 'all';
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const ALL_TYPES = [FILE_TYPE, DIR_TYPE, FILE_DIR_TYPE, EVERYTHING_TYPE];
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const DIR_TYPES = new Set([DIR_TYPE, FILE_DIR_TYPE, EVERYTHING_TYPE]);
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const FILE_TYPES = new Set([FILE_TYPE, FILE_DIR_TYPE, EVERYTHING_TYPE]);
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const isNormalFlowError = (error) => NORMAL_FLOW_ERRORS.has(error.code);
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const wantBigintFsStats = process.platform === 'win32';
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const emptyFn = (_path) => true;
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const normalizeFilter = (filter) => {
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if (filter === undefined)
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return emptyFn;
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if (typeof filter === 'function')
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return filter;
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if (typeof filter === 'string') {
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const fl = filter.trim();
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return (entry) => entry.basename === fl;
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}
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if (Array.isArray(filter)) {
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const trItems = filter.map((item) => item.trim());
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return (entry) => trItems.some((f) => entry.basename === f);
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}
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return emptyFn;
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};
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class ReaddirpStream extends stream_1.Readable {
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constructor(options = {}) {
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super({
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objectMode: true,
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autoDestroy: true,
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highWaterMark: options.highWaterMark,
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});
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const opts = { ...defaultOptions(), ...options };
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const { root, type } = opts;
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this._fileFilter = normalizeFilter(opts.fileFilter);
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this._directoryFilter = normalizeFilter(opts.directoryFilter);
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const statMethod = opts.lstat ? fs_1.lstatSync : fs_1.statSync;
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// Use bigint stats if it's windows and stat() supports options (node 10+).
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if (wantBigintFsStats) {
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this._stat = (path) => statMethod(path, { bigint: true });
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}
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else {
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this._stat = statMethod;
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}
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this._maxDepth = opts.depth;
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this._wantsDir = DIR_TYPES.has(type);
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this._wantsFile = FILE_TYPES.has(type);
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this._wantsEverything = type === EVERYTHING_TYPE;
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this._root = (0, path_1.resolve)(root);
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this._isDirent = !opts.alwaysStat;
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this._statsProp = this._isDirent ? 'dirent' : 'stats';
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this._rdOptions = { encoding: 'utf8', withFileTypes: this._isDirent };
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// Launch stream with one parent, the root dir.
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this.parents = [this._exploreDir(root, 1)];
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this.reading = false;
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this.parent = undefined;
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}
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async _read(batch) {
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if (this.reading)
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return;
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this.reading = true;
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try {
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while (!this.destroyed && batch > 0) {
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const par = this.parent;
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const fil = par && par.files;
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if (fil && fil.length > 0) {
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const { path, depth } = par;
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const slice = fil.splice(0, batch).map((dirent) => this._formatEntry(dirent, path));
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for (const entry of slice) {
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if (!entry) {
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batch--;
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return;
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}
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if (this.destroyed)
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return;
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const entryType = await this._getEntryType(entry);
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if (entryType === 'directory' && this._directoryFilter(entry)) {
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if (depth <= this._maxDepth) {
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this.parents.push(this._exploreDir(entry.fullPath, depth + 1));
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}
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if (this._wantsDir) {
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this.push(entry);
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batch--;
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}
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}
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else if ((entryType === 'file' || this._includeAsFile(entry)) &&
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this._fileFilter(entry)) {
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if (this._wantsFile) {
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this.push(entry);
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batch--;
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}
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}
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}
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}
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else {
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const parent = this.parents.pop();
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if (!parent) {
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this.push(null);
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break;
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}
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this.parent = await parent;
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if (this.destroyed)
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return;
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}
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}
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}
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catch (error) {
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this.destroy(error);
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}
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finally {
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this.reading = false;
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}
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}
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async _exploreDir(path, depth) {
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let files;
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try {
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files = await (0, promises_1.readdir)(path, this._rdOptions);
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}
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catch (error) {
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this._onError(error);
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}
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return { files, depth, path };
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}
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_formatEntry(dirent, path) {
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let entry;
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const basename = this._isDirent ? dirent.name : dirent;
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try {
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const fullPath = (0, path_1.resolve)((0, path_1.join)(path, basename));
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entry = { path: (0, path_1.relative)(this._root, fullPath), fullPath, basename };
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entry[this._statsProp] = this._isDirent ? dirent : this._stat(fullPath);
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}
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catch (err) {
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this._onError(err);
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return;
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}
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return entry;
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}
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_onError(err) {
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if (isNormalFlowError(err) && !this.destroyed) {
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this.emit('warn', err);
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}
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else {
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this.destroy(err);
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}
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}
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async _getEntryType(entry) {
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// entry may be undefined, because a warning or an error were emitted
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// and the statsProp is undefined
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if (!entry && this._statsProp in entry) {
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return '';
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}
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const stats = entry[this._statsProp];
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if (stats.isFile())
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return 'file';
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if (stats.isDirectory())
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return 'directory';
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if (stats && stats.isSymbolicLink()) {
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const full = entry.fullPath;
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try {
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const entryRealPath = await (0, promises_1.realpath)(full);
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const entryRealPathStats = (0, fs_1.lstatSync)(entryRealPath);
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if (entryRealPathStats.isFile()) {
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return 'file';
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}
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if (entryRealPathStats.isDirectory()) {
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const len = entryRealPath.length;
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if (full.startsWith(entryRealPath) && full.substr(len, 1) === path_1.sep) {
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const recursiveError = new Error(`Circular symlink detected: "${full}" points to "${entryRealPath}"`);
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// @ts-ignore
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recursiveError.code = RECURSIVE_ERROR_CODE;
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return this._onError(recursiveError);
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}
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return 'directory';
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}
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}
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catch (error) {
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this._onError(error);
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return '';
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}
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}
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}
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_includeAsFile(entry) {
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const stats = entry && entry[this._statsProp];
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return stats && this._wantsEverything && !stats.isDirectory();
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}
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}
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exports.ReaddirpStream = ReaddirpStream;
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/**
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* Main function which ends up calling readdirRec and reads all files and directories in given root recursively.
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* @param root Root directory
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* @param options Options to specify root (start directory), filters and recursion depth
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*/
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const readdirp = (root, options = {}) => {
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// @ts-ignore
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let type = options.entryType || options.type;
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if (type === 'both')
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type = FILE_DIR_TYPE; // backwards-compatibility
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if (type)
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options.type = type;
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if (!root) {
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throw new Error('readdirp: root argument is required. Usage: readdirp(root, options)');
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}
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else if (typeof root !== 'string') {
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throw new TypeError('readdirp: root argument must be a string. Usage: readdirp(root, options)');
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}
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else if (type && !ALL_TYPES.includes(type)) {
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throw new Error(`readdirp: Invalid type passed. Use one of ${ALL_TYPES.join(', ')}`);
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}
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options.root = root;
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return new ReaddirpStream(options);
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};
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exports.readdirp = readdirp;
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const readdirpPromise = (root, options = {}) => {
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return new Promise((resolve, reject) => {
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const files = [];
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(0, exports.readdirp)(root, options)
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.on('data', (entry) => files.push(entry))
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.on('end', () => resolve(files))
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.on('error', (error) => reject(error));
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});
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};
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exports.readdirpPromise = readdirpPromise;
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exports.default = exports.readdirp;
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//# sourceMappingURL=index.js.map
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