xdt-transform/xdt-transform.js

Node.js module to transform XML files using XDT

'use strict';

var path = require('path'),
    exec = require('child_process').exec;
var cttExe = 'bin/ctt.exe';

var xdtTransform = function () { };

xdtTransform.prototype.transform = function(source, transform, destination, options, callback) {
    /// <summary>
    /// Transforms XML using XDT transformation (ctt.exe is used)
    /// </summary>
    /// <param name="source">path to source XML file</param>
    /// <param name="transform">path to transformation XML file</param>
    /// <param name="destination">path where output file should be written (can be the same as source)</param>
    /// <param name="options">specify {quiet: true} to hide the executable with arguments</param>
    /// <example> transform('[path-to-somewhere]\Web.config', '[path-to-somewhere]\Web.Transform.config', '[path-to-somewhere]\Web.config');</example>

    options = options || {};
    callback = callback || function() {};

    var cttPath = path.join(__dirname, cttExe);
    cttPath = '"' + cttPath + '"';

        //s: marks the source file.
        //t: marks the transform file.
        //d: marks the destination file.
        //i: causes the output to be indented, because by default it is minified and unreadable.

    var s = '"s:##"'.replace("##", source);
    var t = '"t:##"'.replace("##", transform);
    var d = '"d:##"'.replace("##", destination);
    var args = [cttPath, s, t, d, "pw", "i"];
    if (!options.quiet) {
        console.log(args.join(" "));
    }

    exec(args.join(" "),
        function(error, stdout, stderr) {
            if (error) {
                console.log(error);
            } else {
                callback();
            }
        });
};


module.exports = xdtTransform;