index.js

/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Robert Krüger
*/
var path = require("path");
var fs = require("fs");

var loaderUtils = require('loader-utils');

module.exports = function (indexContent) {
    this.cacheable && this.cacheable();

    var options = loaderUtils.parseQuery(this.query);

    var include;
    if (options.include) {
        include = new RegExp(options.include);
    }
    var exclude;
    if (options.exclude) {
        exclude = new RegExp(options.exclude);
    }

    var baseDirectory = path.dirname(this.resource);
    var subdirs = fs.readdirSync(baseDirectory).filter(function (file) {
        return fs.statSync(path.join(baseDirectory, file)).isDirectory();
    });

    //alls sub directories match to languages
    var resBundle = {},
        dirname, files;
    for (var i = 0, len = subdirs.length; i < len; i++) {
        //all files within the sub directory map to namespaces
        dirname = subdirs[i];
        resBundle[dirname] = {};
        //get sub files
        files = fs.readdirSync(path.join(baseDirectory, dirname)).filter(function (file) {
            return fs.statSync(path.join(baseDirectory, dirname, file)).isFile()
                && (!include || include.test(file))
                && (!(exclude && exclude.test(file)));
        });
        var filename, extname, basename, content, pathstring;
        for (var j = 0, len2 = files.length; j < len2; j++) {
            filename = files[j];
            pathstring = path.join(baseDirectory, dirname, filename);
            extname = path.extname(pathstring);
            basename = path.basename(pathstring, extname);
            content = fs.readFileSync(pathstring);
            resBundle[dirname][basename] = JSON.parse(content);
            this.addDependency(pathstring);
        }
        this.addContextDependency(path.join(baseDirectory, dirname));
    }
    return "module.exports = " + JSON.stringify(resBundle);
}