Gulp

var gulp = require('gulp');
var concat = require('gulp-concat');
var myth = require('gulp-myth');
var uglify = require('gulp-uglify');
var jshint = require('gulp-jshint');
var imagemin = require('gulp-imagemin');
var minifyCss = require('gulp-minify-css');


gulp.task('styles', function() {
    return gulp.src('app/css/*.css')
        .pipe(concat('all.css'))
        .pipe(myth())
        .pipe(minifyCss({ compatibility: 'ie8' }))
        .pipe(gulp.dest('dist'));
});


gulp.task('scripts', function() {
    return gulp.src('app/js/*.js')
        .pipe(jshint())
        .pipe(jshint.reporter('default'))
        .pipe(concat('all.js'))
        .pipe(uglify())
        .pipe(gulp.dest('dist'));
});


gulp.task('images', function() {
    return gulp.src('app/img/*')
        .pipe(imagemin())
        .pipe(gulp.dest('dist/img'));
});


gulp.task('watch', function() {
    gulp.watch('app/css/*.css', ['styles']);
    gulp.watch('app/js/*.js', ['scripts']);
    gulp.watch('app/ig/*', ['images']);
});


gulp.task('default', ['styles', 'scripts', 'watch']);