Cacher is the code snippet organizer for pro developers

var gulp = require('gulp'),
	imagemin = require('gulp-imagemin'),
	pngquant = require('imagemin-pngquant'),
	jpegtran = require('imagemin-jpegtran'),
	gifsicle = require('imagemin-gifsicle'),
    concatCSS = require('gulp-concat-css'),
    autoprefixer = require('gulp-autoprefixer'),
    rename = require('gulp-rename'),
    gulpif = require('gulp-if'),
    uglify = require('gulp-uglify'),
    concat = require('gulp-concat'),
    minifyCss = require('gulp-minify-css'),
    sass = require('gulp-sass')
;

//Сжатие картинок 
gulp.task('optimize-images', function () {
    return gulp.src(['assets/app/images/**/*.jpg', 'assets/app/images/**/*.jpeg', 'assets/app/images/**/*.gif', 'assets/app/images/**/*.png'])
        .pipe(imagemin({
            progressive: false,
            use: [pngquant(), jpegtran(), gifsicle()]
        }))
        .pipe(gulp.dest('assets/app/images/'));
});

//css
gulp.task('css', function() {
    return gulp.src(['assets/css/*.css', 'assets/css/*.css'])
        .pipe(concatCSS('bundle.css'))
        .pipe(minifyCss())
        .pipe(autoprefixer())
        .pipe(rename ('bundle.min.css'))
        .pipe(gulp.dest('assets/dist'));
});

//Сжатие js
gulp.task('js', function() {
    return gulp.src(['assets/app/js/*.js', 'assets/app/js/*.js'])
        .pipe(uglify())
        .pipe(concat('bundle.all.js'))
        .pipe(gulp.dest('assets/dist'));
});

//sass
gulp.task('scss', function(){
  return gulp.src('assets/app/scss/*.scss')
    .pipe(sass())
    .pipe(concatCSS('bundle.css'))
    .pipe(minifyCss())
    .pipe(rename ('bundle.min.css'))
    .pipe(gulp.dest('assets/dist'))
});

gulp.task('watch', function() {
    gulp.watch('assets/app/scss/**/*.scss', ['scss']);
    gulp.watch('assets/app/js/*.js', ['js']);
});

gulp.task('build', ['clean', 'scss', 'js']);