Gruntfile.cjs

const sass = require('sass');

module.exports = function (grunt) {
	'use strict';

	// Project configuration
	grunt.initConfig({
		sass: {
			options: {
				implementation: sass,
				outputStyle: 'compressed',
			},
			dist: {
				files: {
					'dist/ladda.min.css': 'css/ladda-themed.scss',
					'dist/ladda-themeless.min.css': 'css/ladda.scss'
				}
			}
		},

		jshint: {
			options: {
				// enforcing
				esversion: 6,
				curly: true,
				eqeqeq: true,
				freeze: true,
				futurehostile: true,
				globals: {
					module: false,
					console: false,
					define: false
				},
				latedef: "nofunc",
				maxparams: 3,
				noarg: true,
				nocomma: true,
				nonbsp: true,
				nonew: true,
				undef: true,
				unused: true,
				// environments
				browser: true,
				node: true,
			},
			files: [ 'Gruntfile.cjs', 'js/ladda.js' ]
		},

		connect: {
			server: {
				options: {
					port: 8000,
					base: 'site',
				}
			}
		},

		copy: {
			css: {
			    files: [
				    { src: ['dist/ladda*.min.css'], dest: 'site/' }
			    ]
			}
		},

		watch: {
			main: {
				files: [ 'Gruntfile.js', 'js/ladda.js' ],
				tasks: 'js',
				options: {
					livereload: true,
				},
			},
			theme: {
				files: [ 'css/*.scss' ],
				tasks: 'css',
				options: {
					livereload: true,
				},
			}
		}

	});

	// Dependencies
	grunt.loadNpmTasks('grunt-contrib-jshint');
	grunt.loadNpmTasks('grunt-contrib-watch');
	grunt.loadNpmTasks('grunt-sass');
	grunt.loadNpmTasks('grunt-contrib-connect');
	grunt.loadNpmTasks('grunt-contrib-copy');

	// Default task
	grunt.registerTask('default', ['jshint', 'css']);

	// Theme task
	grunt.registerTask('css', ['sass', 'copy']);

	// Serve presentation locally
	grunt.registerTask('serve', ['connect', 'watch']);
};