gulp template

gulpfile.js

/*
npm init
npm install gulp gulp-sass gulp-autoprefixer gulp-cssnano gulp-rename gulp-concat gulp-uglify gulp-htmlmin gulp-plumber --save-dev
*/

'use strict';

//plugins

var gulp = require('gulp'),
	sass = require('gulp-sass'),
	autoprefixer = require('gulp-autoprefixer'),
	cssnano = require('gulp-cssnano'),
	rename = require("gulp-rename"),
	concat = require('gulp-concat'),
	uglify = require('gulp-uglify'),
	htmlmin = require('gulp-htmlmin'),
	plumber = require('gulp-plumber');

//css

gulp.task('css', function() {
	gulp.src('./sass/*.scss')
	.pipe(plumber())
	.pipe(sass().on('error', sass.logError))
	.pipe(autoprefixer())
	.pipe(cssnano())
	.pipe(rename({suffix:".min"}))
	.pipe(gulp.dest('./css/'));
});

//js

gulp.task('js', function(){
	gulp.src(['./js/!(inicio)*.js', './js/inicio.js', '!./js/*.min.js'])
	.pipe(plumber())
	.pipe(concat('app.js'))
	.pipe(uglify())
	.pipe(rename({suffix:".min"}))
	.pipe(gulp.dest('./js/'));
});

//html

gulp.task('html', function(){
	gulp.src(['./*.html', '!./*.min.html'])
	.pipe(htmlmin())
	.pipe(rename({suffix:".min"}))
	.pipe(gulp.dest('./'));
});

//watch

gulp.task('vigilar', function(){
	gulp.watch(['./sass/*.scss'], ['css']);
	gulp.watch(['./js/*.js', '!./js/*.min.js'], ['js']);
	gulp.watch(['./*.html', '!./*.min.html'], ['html']);
});