obj-to-xml/index.js

This module converts any object into an XML

exports.buildXmlFromObj = function (obj, strOutput) {
    /*  Pass an object to create an xml.
		Format ->
			ROOT: {
				R: {
					'@id': 1
				}
			}
		creates an xml -> <ROOT> <R id="1"/> </ROOT>
		Property which is defined with @, is treated as an attribute.
		strOutput: Pass true to return XML in string format.
	*/
	function removeSpacesFromTags (str) {
		var regEx = new RegExp(' ', 'g');
		return str.replace(regEx, '-');
	}
    var xmlOutput = function xmlFromObj(obj, xml) {
        var rootKey = Object.keys(obj),
            metaXml, keyElem, objValue, i, j;

        function createChildTag(objVal) {
            metaXml = document.createElementNS('', removeSpacesFromTags(keyElem));
            metaXml = xmlFromObj(objVal, metaXml);
            if (xml) {
                xml.appendChild(metaXml);
            } else {
                xml = metaXml;
            }
            return xml;
        }
        for (i = 0; i < rootKey.length; i++) {
            keyElem = removeSpacesFromTags(rootKey[i]);
            objValue = obj[rootKey[i]];
            if (keyElem.index('@') > -1) {
                xml.setAttributeNS('', keyElem.slice(1, keyElem.length), objValue);
            }
            if (typeof objValue == 'object') {
                if (Array.isArray(objValue)) {
                    for (j = 0; j < objValue.length; j++) {
                        xml = createChildTag(objValue[j]);
                    }
                } else {
                    xml = createChildTag(objValue);
                }
            }
        }
        return xml;
    }(obj);
    return strOutput ? new XMLSerializer().serializeToString(xmlOutput) : xmlOutput;
}