var fs       = require('fs');
var path     = require('path');
var stripBom = require('strip-bom');
var utils    = require('./utils');

/**
 * Looks for files with .html, .hbs, or .handlebars extensions within the given directory, and adds them as Handlebars partials matching the name of the file.
 * @param {string} dir - Folder to check for partials.
 */
module.exports = function(dir) {
  var partials = utils.loadFiles(dir, '**/*.{html,hbs,handlebars}');

  for (var i in partials) {
    var ext = path.extname(partials[i]);
    var file = stripBom(fs.readFileSync(partials[i]).toString());
    var name = path.basename(partials[i], ext);

    this.Handlebars.registerPartial(name, file.toString());
  }
}