generic gulpfile.js

gulpfile.js

var gulp = require('gulp');
var less = require('gulp-less');
var notify = require('gulp-notify');
var gutil = require('gulp-util');
var browserSync = require('browser-sync');

gulp.task('less', function(){
    return gulp.src(['./less/main.less'])
        .pipe(less({ compress:true }).on('error', gutil.log))
        .pipe(gulp.dest('./css'))
        .pipe(notify('Less Compiled, Prefixed and Minified'));
});

gulp.task('browser-sync', function() {
    var files = [
        'index.html',
        'css/main.css'
    ];

    browserSync.init(files, {
        server: {
            baseDir: './'
        }
    });
});

gulp.task('default', function(){
    gulp.start('less');
    gulp.start('browser-sync');

    gulp.watch('./less/*.less', function(){
        gulp.start('less');
    });
});