xml-jsonify/lib/index.js

A liberal XML to JSON converter.

"use strict";

var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

var parse = require("xml2js").parseString,
    objectKeyCount = require("obj-key-count"),
    iterateObj = require("iterate-object");

/**
 * xmlJsonify
 * Converts the XML input into an object.
 *
 * @name xmlJsonify
 * @function
 * @param {String} content The XML content.
 * @param {Object} options The options passed to `xml2js`.
 * @param {Function} cb The callback function.
 */
module.exports = function xmlJsonify(content, options, cb) {

    if (typeof options === "function") {
        cb = options;
        options = {};
    }

    var removeArrays = function removeArrays(input) {

        if ((typeof input === "undefined" ? "undefined" : _typeof(input)) !== "object") {
            return input;
        }

        if (Array.isArray(input) && input.length === 1) {
            return removeArrays(input[0]);
        }

        iterateObj(input, function (val, key) {
            if ((typeof val === "undefined" ? "undefined" : _typeof(val)) === "object" && val) {
                input[key] = removeArrays(val);
            }
        });

        return input;
    };

    return new Promise(function (resolve, reject) {
        parse(content, options, function (err, data) {
            if (err) {
                if (cb) {
                    cb(err);
                }
                reject(err);
                return;
            }

            var key = objectKeyCount(data, 1, true);

            if (key) {
                data = data[key];
            }

            removeArrays(data);

            if (cb) {
                cb(err, data);
            }

            if (err) {
                reject(err);
            } else {
                resolve(data);
            }
        });
    });
};