gulp.js

var gulp = require('gulp');
var pug = require('gulp-pug');


gulp.task('default1', function() {
	console.log('ola mundo');
 });

gulp.task('where-do-we-go-now', function(){
	console.log('https://github.com/gulpjs/gulp/tree/v3.9.1/docs/recipes');
	console.log('https://github.com/gulpjs/gulp/blob/v3.9.1/docs/README.md#articles');
});

var gulp = require('gulp');
var pug = require('gulp-pug');
var less = require('gulp-less');
var minifyCSS = require('gulp-csso');
var concat = require('gulp-concat');
var sourcemaps = require('gulp-sourcemaps');

gulp.task('html', function(){
  return gulp.src('client/templates/*.pug')
    .pipe(pug())
    .pipe(gulp.dest('build/html'))
});

gulp.task('css', function(){
  return gulp.src('client/templates/*.less')
    .pipe(less())
    .pipe(minifyCSS())
    .pipe(gulp.dest('build/css'))
});

gulp.task('js', function(){
  return gulp.src('client/javascript/*.js')
    .pipe(sourcemaps.init())
    .pipe(concat('app.min.js'))
    .pipe(sourcemaps.write())
    .pipe(gulp.dest('build/js'))
});

gulp.task('default', [ 'default1','html', 'css', 'js' ]);
//https://css-tricks.com/gulp-for-beginners/