gulpfile

var gulp = require('gulp');
var gutil = require('gulp-util');
var concat = require('gulp-concat');
var uglify = require('gulp-uglify');
var uglifycss = require('gulp-uglifycss');
var sass = require('gulp-sass');

var paths = {
	scripts: './_assets/_js/',
	sass: './_assets/_sass/',
	css: './_assets/_css/'
};
var src = {
	scripts: [
		paths.scripts + 'jquery/*.js',
		paths.scripts + 'bootstrap/*.js',
		paths.scripts + '**/*.js'
	],
	sass: [
		paths.sass + '**/*.{sass,scss}'
	],
	css: [
		paths.css + 'bootstrap/*.css',
		paths.css + '**/*.css'
	]
};


gulp.task('javascripts', function() {
	gulp.src(src.scripts)
		.pipe(uglify())
		.pipe(concat('scripts.min.js'))
		.pipe(gulp.dest('./js/'));
});

gulp.task('sass', function() {
	gulp.src(src.sass)
		.pipe(sass({outputStyle: 'compressed'}))
		.pipe(gulp.dest('./_assets/_css/'));
});

gulp.task('stylesheets', function() {
	gulp.src(src.css)
		.pipe(uglifycss().on('error', gutil.log))
		.pipe(concat('style.min.css'))
		.pipe(gulp.dest('./css/'));
});

gulp.task('watch', function() {
	gulp.watch(src.scripts, ['javascripts']);
	gulp.watch(src.sass, ['sass']);
	gulp.watch(src.css, ['stylesheets']);
});

gulp.task('default', ['watch', 'javascripts', 'sass', 'stylesheets']);