gulpfile used for copenhagenjs presentation. Based on the angular-seed example repository

gulpfile.js

// include gulp
var gulp = require('gulp');

// include plug-ins
var concat = require('gulp-concat');
var uglify = require('gulp-uglify');
var minifyCSS = require('gulp-minify-css');
var argv = require('yargs').argv;
var gulpif = require('gulp-if');
var logwarn = require('gulp-logwarn');
var psi = require('psi');
 

var jsLibsFiles = [
  "app/bower_components/html5-boilerplate/js/vendor/modernizr-2.6.2.min.js",
	"app/bower_components/angular/angular.js",
  "app/bower_components/angular-route/angular-route.js"
];

var jsAppFiles = [
	"app/app.js",
	"app/view1/view1.js",
	"app/view2/view2.js",
	"app/components/version/version.js",
	"app/components/version/version-directive.js",
	"app/components/version/interpolate-filter.js"
];

var cssFiles = [
	"app/bower_components/html5-boilerplate/css/normalize.css",
	"app/bower_components/html5-boilerplate/css/main.css",
	"app/app.css"
];

var partialsFiles = [
	"app/view*/*.html"
];

var index = [
	"app/index_dist.html",
];

gulp.task('default',['libs','app','css','partials','index']);

gulp.task('libs', function() {
  gulp.src(jsLibsFiles)
    .pipe(concat('libs.js'))
    .pipe(gulpif(argv.production, uglify()))
    .pipe(gulp.dest('./dist/js/'));
});

gulp.task('app', function() {
  gulp.src(jsAppFiles)
    .pipe(logwarn())
    .pipe(concat('app.js'))
    .pipe(gulpif(argv.production, uglify()))
    .pipe(gulp.dest('./dist/js/'));
});

gulp.task('css', function() {
  gulp.src(cssFiles)
    .pipe(concat('all.css'))
    .pipe(gulpif(argv.production, minifyCSS()))
    .pipe(gulp.dest('./dist/css/'));
});

gulp.task('partials', function() {
  gulp.src(partialsFiles)
    .pipe(gulp.dest('./dist/'));
});

gulp.task('index', function() {
  gulp.src(index)
	.pipe(concat("index.html"))
    .pipe(gulp.dest('./dist/'));
});

gulp.task('psi',function(cb) {
  var options = {
    strategy:"desktop"
  };
  psi.output('https://www.comparo.dk/rejseforsikring',options, function (err) {
    if (err) {
      console.log('ERROR:',err);
      return;
    }
    console.log('done');
  },cb);
});

// Reload only when development files has changed
gulp.task('watch', ['default'], function () {
    gulp.watch(jsLibsFiles, ['libs']);
    gulp.watch(jsAppFiles, ['app']);
    gulp.watch(cssFiles, ['css']);
    gulp.watch(partialsFiles, ['partials']);
    gulp.watch(index, ['index']);
});