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/*
TO DO
1) Reduce CSS duplication
   - Ideally just a single build - global.scss turns into /build/global.css
   - Can Autoprefixer output minified?
   - If it can, is it as good as cssmin?
   - Could Sass be used again to minify instead?
   - If it can, is it as good as cssmin?
2) Better JS dependency management
   - Require js?
   - Can it be like the Asset Pipeline where you just do //= require "whatever.js"
3) Is HTML minification worth it?
4) Set up a Jasmine test just to try it.
5) Can this Gruntfile.js be abstracted into smaller parts?
   - https://github.com/cowboy/wesbos/commit/5a2980a7818957cbaeedcd7552af9ce54e05e3fb
*/

module.exports = function(grunt) {

  // Utility to load the different option files
  // based on their names
  function loadConfig(path) {
    var glob = require('glob');
    var object = {};
    var key;

    glob.sync('*', {cwd: path}).forEach(function(option) {
      key = option.replace(/\.js$/,'');
      object[key] = require(path + option);
    });

    return object;
  }

  // Initial config
  var config = {
    pkg: grunt.file.readJSON('package.json')
  }

  // Load tasks from the tasks folder
  grunt.loadTasks('tasks');

  // Load all the tasks options in tasks/options base on the name:
  // watch.js => watch{}
  grunt.util._.extend(config, loadConfig('./tasks/options/'));

  grunt.initConfig(config);

  require('load-grunt-tasks')(grunt);

  // Default Task is basically a rebuild
  grunt.registerTask('default', ['concat', 'uglify', 'sass', 'imagemin', 'autoprefixer', 'cssmin']);

  // Moved to the tasks folder:
  // grunt.registerTask('dev', ['connect', 'watch']);

};