Concatenate & Minify Bower JS & CSS Files

Gulpfile.js

// Include Gulp.
var gulp = require('gulp');

// Include config.
var config = require('../tasks/config').vendor;

// Include Plugins.
var vendorFiles = require('bower-files')({
        cwd: config.path
    }),
    concat = require('gulp-concat'),
    uglifyjs = require('gulp-uglify'),
    uglifycss = require('gulp-uglifycss'),
    notify = require('gulp-notify');

// Vendor task runs both vendorJS & VendorCSS functions..
gulp.task('vendor', ['vendor-js', 'vendor-css'], function() {
    return notify({message: config.message});
});

gulp.task('vendor-js', function () {
    gulp.src(vendorFiles.ext('js').files)
        .pipe(concat('vendor.min.js'))
        .pipe(uglifyjs())
        .pipe(gulp.dest(config.jsoutput));
});

gulp.task('vendor-css', function () {
    gulp.src(vendorFiles.ext('css').files)
        .pipe(concat('vendor.min.css'))
        .pipe(uglifycss({
            "maxLineLen": 80,
            "uglyComments": true
        }))
        .pipe(gulp.dest(config.cssoutput));
});