basic-ftp-ct/dist/parseList.js

FTP client for Node.js, supports explicit FTPS over TLS, IPv6, Async/Await, and Typescript.

"use strict";
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
    result["default"] = mod;
    return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
const dosParser = __importStar(require("./parseListDOS"));
const unixParser = __importStar(require("./parseListUnix"));
const mlsdParser = __importStar(require("./parseListMLSD"));
/**
 * Available directory listing parsers. These are candidates that will be tested
 * in the order presented. The first candidate will be used to parse the whole list.
 */
const availableParsers = [
    dosParser,
    unixParser,
    mlsdParser // Keep MLSD last, may accept filename only
];
function firstCompatibleParser(line, parsers) {
    return parsers.find(parser => parser.testLine(line) === true);
}
function stringIsNotBlank(str) {
    return str.trim() !== "";
}
const REGEX_NEWLINE = /\r?\n/;
/**
 * Parse raw directory listing.
 */
function parseList(rawList) {
    const lines = rawList
        .split(REGEX_NEWLINE)
        .filter(stringIsNotBlank);
    if (lines.length === 0) {
        return [];
    }
    const testLine = lines[lines.length - 1];
    const parser = firstCompatibleParser(testLine, availableParsers);
    if (!parser) {
        throw new Error("This library only supports MLSD, Unix- or DOS-style directory listing. Your FTP server seems to be using another format. You can see the transmitted listing when setting `client.ftp.verbose = true`. You can then provide a custom parser to `client.parseList`, see the documentation for details.");
    }
    const files = lines
        .map(parser.parseLine)
        .filter((info) => info !== undefined);
    return parser.transformList(files);
}
exports.parseList = parseList;