gruntfile.js

module.exports = function(grunt) {
	var path  = require('path');
  var _     = require('lodash');
	var global_config = {
		  //path to task.js files, defaults to grunt dir
      configPath: path.join(process.cwd(), 'grunt-tasks-config/'),
      // auto grunt.initConfig
      init: true,
      // data passed into config ( => the basic grunt.initConfig(config) ). Can be used afterwards with < %= test % >
      data: {
        pkg: grunt.file.readJSON( 'package.json' ),
        paths : {
          front_js : 'assets/front/js/',
          lang : 'lang/'
      },
			tasks : {
				'dev': [ 'watch'],

				//PROD
				'build':  [ 'jshint:front_js','uglify:front_js', 'replace', 'clean', 'copy', 'compress'],
			},
			uglify_requested_paths : {
				src : '' || grunt.option('src'),
				dest : '' || grunt.option('dest')
			}
		}
	};

	// LOAD GRUNT PACKAGES AND CONFIGS
	// https://www.npmjs.org/package/load-grunt-config
	require( 'load-grunt-config' )( grunt , global_config );

	// REGISTER TASKS
	_.map( grunt.config('tasks'), function(task, name) {
		grunt.registerTask(name, task);
	});

	//DEV WATCH EVENT
	//watch is enabled only in dev mode
	grunt.event.on('watch', function(action, filepath, target) {
		var files = [
			{
				expand: true,
				cwd: '.',
				src: [
				filepath,
				]
			}
		];
		grunt.log.writeln( 'WATCH EVENT INFOS : ', grunt.task.current.name , action, filepath, target);

		if ( 'jquery.sharrre.js' == target ) {
			//if some js admin scripts have been changed in dev mode, jshint them dynamically
			grunt.config('jshint.those', [filepath]);
		}
	});
};