redCOMPONENT-COM / joomla-build

const fs = require("fs");

const xml2js = require("xml2js");

const xmlParser = new xml2js.Parser();

/**

 * Reads a JSON file and returns the parsed JSON data

 *

 * @param {string}  jsonFile   Path to the json file

 *

 * @returns {string}  Empty json object if file does not exist

 */

function readJSON(jsonFile) {

    "use strict";

    if (!fs.existsSync(jsonFile)) {

        return "{}";

    }

    return JSON.parse(fs.readFileSync(jsonFile).toString());

}

/**

 * Clones an object

 *

 * @param object

 *

 * @returns object

 */

function cloneObject(object) {

    "use strict";

    return JSON.parse(JSON.stringify(object));

}

/**

 * Get a list of files over a parent directory

 *

 * @param {string}  dir   Parent directory

 * @param {string}  type  Type of files: "directories" or "files"

 *

 * @returns {Array}

 */

function getFilesbyType(dir, type) {

    "use strict";

    const files = fs.readdirSync(dir);

    const dirs = [];

    files.forEach(function (file) {

        const isDirectory = fs.statSync(dir + "/" + file).isDirectory();

        if ((type === "directory" && isDirectory) || (type !== "directory" && !isDirectory)) {

            dirs.push(file);

        }

    });

    return dirs;

}

/**

 * Gets the version of a Joomla xml manifest file

 *

 * @param {string}  xmlFile  Input XML manifest file (Joomla format)

 *

 * @returns {string}

 */

function getManifestVersion(xmlFile) {

    "use strict";

    let version = "";

    xmlParser.parseString(fs.readFileSync(xmlFile), function (err, data) {

        if (err) {

            return "";

        }

        version = data.extension.version;

        return version;

    });

    return version;

}

exports.readJSON = readJSON;

exports.cloneObject = cloneObject;

exports.getFilesByType = getFilesbyType;

exports.getManifestVersion = getManifestVersion;