assets/Gruntfile.js

module.exports = function(grunt) {
    // Initializing the configuration object
    grunt.initConfig({
        // Task configuration  
        less: {
            development: {
                options: {
                    compress: true,
                    // minifying the result
                },
                files: { 
                    // compiling styles.less into styles.css
                    "./public/stylesheets/styles.min.css": "./src/less/styles.less",
                }
            }
        },
    
        watch: {
            less: {
                files: ['./src/less/*.less', './src/less/**/*.less'],
                tasks: ['less'],
                options: {
                    livereload: true
                    // reloads the browser
                }
            },
        }
    });
    // Plugin loading
    grunt.loadNpmTasks('grunt-contrib-watch');
    grunt.loadNpmTasks('grunt-contrib-less');
    // Task definition
    grunt.registerTask('default', ['watch']);
};