audiobookshelf/server/libs/recursiveReaddirAsync/index.js

392 lines
13 KiB
JavaScript

"use strict";
/**
* @packageDocumentation
* project: recursive-readdir-async
* @author: m0rtadelo (ricard.figuls)
* @license MIT
* 2018
*/
// SOURCE: https://github.com/m0rtadelo/recursive-readdir-async
var __createBinding = (this && this.__createBinding) || (Object.create ? (function (o, m, k, k2) {
if (k2 === undefined) k2 = k;
Object.defineProperty(o, k2, { enumerable: true, get: function () { return m[k]; } });
}) : (function (o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function (o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function (o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.list = exports.readFile = exports.stat = exports.PATH = exports.FS = exports.TREE = exports.LIST = void 0;
/** @readonly constant for mode LIST to be used in Options */
exports.LIST = 1;
/** @readonly constant for mode TREE to be used in Options */
exports.TREE = 2;
/**
* native FS module
* @see https://nodejs.org/api/fs.html#fs_file_system
* @external
*/
const _fs = __importStar(require("fs"));
/** native node fs object */
exports.FS = _fs;
/**
* native PATH module
* @external
* @see https://nodejs.org/api/path.html#path_path
*/
const _path = __importStar(require("path"));
/** native node path object */
exports.PATH = _path;
let pathSimbol = '/';
/**
* Returns a Promise with Stats info of the item (file/folder/...)
* @param file the name of the object to get stats from
* @returns {Promise<fs.Stats>} stat object information
* @async
*/
function stat(file) {
return __awaiter(this, void 0, void 0, function* () {
return new Promise(function (resolve, reject) {
exports.FS.stat(file, function (err, stats) {
if (err) {
reject(err);
}
else {
resolve(stats);
}
});
});
});
}
exports.stat = stat;
/**
* Returns a Promise with content (data) of the file
* @param file the name of the file to read content from
* @param encoding format for returned data (ascii, base64, binary, hex, ucs2/ucs-2/utf16le/utf-16le,
* utf8/utf-8, latin1). Default: base64
* @returns {Promise<string>} data content string (base64 format by default)
* @async
*/
function readFile(file, encoding = 'base64') {
return __awaiter(this, void 0, void 0, function* () {
return new Promise(function (resolve, reject) {
exports.FS.readFile(file, { encoding }, function (err, data) {
if (err) {
reject(err);
}
else {
resolve(data);
}
});
});
});
}
exports.readFile = readFile;
/**
* Returns if an item should be added based on include/exclude options.
* @param path the item fullpath
* @param settings the options configuration to use
* @returns {boolean} if item must be added
* @private
*/
function checkItem(path, settings) {
if (settings.exclude) {
for (const value of settings.exclude) {
if (path.includes(value)) {
return false;
}
}
}
return true;
}
/**
* Adds optional keys to item
* @param obj the item object
* @param file the filename
* @param settings the options configuration to use
* @param deep The deep level
* @returns void
* @private
*/
function addOptionalKeys(obj, file, settings, deep) {
if (settings.extensions) {
obj.extension = (exports.PATH.extname(file)).toLowerCase();
}
if (settings.deep) {
obj.deep = deep;
}
}
/**
* Reads content and creates a valid IBase collection
* @param rpath Path relative to
* @param data Model
* @param settings the options configuration to use
* @param deep The deep level
* @param resolve Promise
* @param reject Promise
* @returns void
*/
function read(rpath, data, settings, deep, resolve, reject) {
exports.FS.readdir(rpath, function (error, files) {
// If error reject them
if (error) {
reject(error);
}
else {
const removeExt = (file) => {
const extSize = exports.PATH.extname(file).length;
return file.substring(0, file.length - (extSize > 0 ? extSize : 0));
};
// Iterate through elements (files and folders)
for (const file of files) {
const obj = {
name: file,
title: removeExt(file),
path: rpath,
fullname: rpath + (rpath.endsWith(pathSimbol) ? '' : pathSimbol) + file,
};
if (checkItem(obj.fullname, settings)) {
addOptionalKeys(obj, file, settings, deep);
data.push(obj);
}
}
// Finish, returning content
resolve(data);
}
});
}
/**
* Returns a Promise with an objects info array
* @param path the item fullpath to be searched for
* @param settings the options configuration to use
* @param deep folder depth value
* @returns {Promise<IBase[]>} the file object info
* @private
*/
function myReaddir(path, settings, deep) {
return __awaiter(this, void 0, void 0, function* () {
const data = [];
return new Promise(function (resolve, reject) {
try {
// Asynchronously computes the canonical pathname by resolving ., .. and symbolic links.
exports.FS.realpath(path, function (err, rpath) {
if (err || settings.realPath === false) {
rpath = path;
}
// Normalizes windows style paths by replacing double backslahes with single forward slahes (unix style).
if (settings.normalizePath) {
rpath = normalizePath(rpath);
}
// Reading contents of path
read(rpath, data, settings, deep, resolve, reject);
});
}
catch (err) {
// If error reject them
reject(err);
}
});
});
}
/**
* Normalizes windows style paths by replacing double backslahes with single forward slahes (unix style).
* @param path windows/unix path
* @return {string} normalized path (unix style)
* @private
*/
function normalizePath(path) {
return path.toString().replace(/\\/g, '/');
}
/**
* Search if the fullname exist in the include array
* @param fullname - The fullname of the item to search for
* @param settings the options to be used
* @returns true if exists
*/
function exists(fullname, settings) {
if (settings.include) {
for (const value of settings.include) {
if (fullname.includes(value)) {
return true;
}
}
}
return false;
}
/**
* Removes paths that not match the include array
* @param settings the options to be used
* @param content items list
* @returns void
*/
function onlyInclude(settings, content) {
if (settings.include && settings.include.length > 0) {
for (let i = content.length - 1; i > -1; i--) {
const item = content[i];
if (settings.mode === exports.TREE && item.isDirectory && item.content)
continue;
if (!exists(item.fullname, settings)) {
content.splice(i, 1);
}
}
}
}
/**
* Returns an array of items in path
* @param path path
* @param settings the options to be used
* @param progress callback progress
* @param deep deep index information
* @returns {object[]} array with file information
* @private
*/
function listDir(path, settings, progress, deep = 0) {
return __awaiter(this, void 0, void 0, function* () {
let content;
try {
content = yield myReaddir(path, settings, deep);
}
catch (err) {
return { 'error': err, 'path': path };
}
if (settings.stats || settings.recursive || !settings.ignoreFolders ||
settings.readContent || settings.mode === exports.TREE) {
content = yield statDir(content, settings, progress, deep);
}
onlyInclude(settings, content);
return content;
});
}
/**
* Returns an object with all items with selected options
* @param collection items list
* @param settings the options to use
* @param progress callback progress
* @param deep folder depth
* @returns {object[]} array with file information
* @private
*/
function statDir(collection, settings, progress, deep) {
return __awaiter(this, void 0, void 0, function* () {
let isOk = true;
for (let i = collection.length - 1; i > -1; i--) {
try {
collection = yield statDirItem(collection, i, settings, progress, deep);
if (progress !== undefined) {
isOk = !progress(collection[i], collection.length - i, collection.length);
}
}
catch (err) {
collection[i].error = err;
}
if ((collection[i].isDirectory && settings.ignoreFolders &&
!(collection[i].content) && collection[i].error === undefined) || !isOk) {
collection.splice(i, 1);
}
}
return collection;
});
}
/**
* Returns an object with updated item information
* @param collection items list
* @param i index of item
* @param settings the options to use
* @param progress callback progress
* @param deep folder depth
* @returns {object[]} array with file information
* @private
*/
function statDirItem(collection, i, settings, progress, deep) {
return __awaiter(this, void 0, void 0, function* () {
const stats = yield stat(collection[i].fullname);
collection[i].isDirectory = stats.isDirectory();
if (settings.stats) {
collection[i].stats = stats;
}
if (settings.readContent && !collection[i].isDirectory) {
collection[i].data = yield readFile(collection[i].fullname, settings.encoding);
}
if (collection[i].isDirectory && settings.recursive) {
const item = collection[i];
if (settings.mode === exports.LIST) {
const result = yield listDir(item.fullname, settings, progress, deep + 1);
if (result.length) {
collection = collection.concat(result);
}
}
else {
item.content = yield listDir(item.fullname, settings, progress, deep + 1);
if (item.content && item.content.length === 0) {
item.content = undefined;
}
}
}
return collection;
});
}
/**
* Returns a javascript object with directory items information (non blocking async with Promises)
* @param path the path to start reading contents
* @param [options] options (mode, recursive, stats, ignoreFolders)
* @param [progress] callback with item data and progress info for each item
* @returns promise array with file/folder information
* @async
*/
function list(path, options, progress) {
var _a, _b, _c, _d, _e, _f, _g, _h, _j, _k, _l, _m;
return __awaiter(this, void 0, void 0, function* () {
// options skipped?
if (typeof options === 'function') {
progress = options;
}
// Setting default settings
const settings = {
mode: ((_a = options) === null || _a === void 0 ? void 0 : _a.mode) || exports.LIST,
recursive: ((_b = options) === null || _b === void 0 ? void 0 : _b.recursive) === undefined ? true : options.recursive,
stats: ((_c = options) === null || _c === void 0 ? void 0 : _c.stats) === undefined ? false : options.stats,
ignoreFolders: ((_d = options) === null || _d === void 0 ? void 0 : _d.ignoreFolders) === undefined ? true : options.ignoreFolders,
extensions: ((_e = options) === null || _e === void 0 ? void 0 : _e.extensions) === undefined ? false : options.extensions,
deep: ((_f = options) === null || _f === void 0 ? void 0 : _f.deep) === undefined ? false : options.deep,
realPath: ((_g = options) === null || _g === void 0 ? void 0 : _g.realPath) === undefined ? true : options.realPath,
normalizePath: ((_h = options) === null || _h === void 0 ? void 0 : _h.normalizePath) === undefined ? true : options.normalizePath,
include: ((_j = options) === null || _j === void 0 ? void 0 : _j.include) || [],
exclude: ((_k = options) === null || _k === void 0 ? void 0 : _k.exclude) || [],
readContent: ((_l = options) === null || _l === void 0 ? void 0 : _l.readContent) === undefined ? false : options.readContent,
encoding: ((_m = options) === null || _m === void 0 ? void 0 : _m.encoding) || undefined,
};
// Setting pathSimbol if normalizePath is disabled
if (settings.normalizePath === false) {
pathSimbol = exports.PATH.sep;
}
else {
pathSimbol = '/';
}
// Reading contents
return listDir(path, settings, progress);
});
}
exports.list = list;