Gulp example for co-worker

gulpfile.js

var gulp = require('gulp');
var jshint = require('gulp-jshint');
var uglify = require('gulp-uglify');
var notify = require('gulp-notify');
var rename = require('gulp-rename');
var concat = require('gulp-concat');
var ngmin = require('gulp-ngmin');
var clean = require('gulp-clean');
var less = require('gulp-less');
var minifyCSS = require('gulp-minify-css');
var htmlreplace = require('gulp-html-replace');
var argv = require('yargs').argv;

gulp.task('default', ['build', 'watch'], function() {
	// place code for your default task here
});


gulp.task('clean', function() {
	return gulp.src(['www/**/*','.tmp/public'], {read: false}).pipe(clean());
});


gulp.task('scripts', function() {
	return gulp.src(['assets/js/**/*.js'])
		.pipe(jshint.reporter('default'))
		.pipe(concat('app.js'))
		.pipe(ngmin())
		.pipe(gulp.dest('www/js'))
		.pipe(rename({suffix: '.min'}))
		.pipe(uglify({mangle: false}))
		.pipe(gulp.dest('www/js'));
});


gulp.task('styles', function() {
	return gulp.src(['assets/styles/**/*.less'])
		.pipe(less())
		.pipe(concat('app.css'))
		.pipe(gulp.dest('www/css/'))
		.pipe(rename({suffix: '.min'}))
		.pipe(minifyCSS())
		.pipe(gulp.dest('www/css/'))
});


gulp.task('partials', function() {
	return gulp.src(['assets/partials/*'])
		.pipe(gulp.dest('www/partials'));

});

gulp.task('images', function() {
	return gulp.src(['assets/images/*'])
		.pipe(gulp.dest('www/images'));
});

gulp.task('index', function() {
	return gulp.src('assets/index.html')
		.pipe(htmlreplace(argv.env == 'prod' ? {
			'css': 'css/app.min.css',
			'js': 'js/app.min.js'
		} : {
			'css': 'css/app.css',
			'js': 'js/app.js'
		}))
		.pipe(gulp.dest('www/'));
});

gulp.task('build', ['clean'], function() {
	gulp.start('scripts', 'styles', 'partials', 'images', 'index');
});



gulp.task('watch', function() {
	gulp.watch('assets/index.html', ['index']).on('change', function(event) {
		console.log('File '+event.path+' was '+event.type+', running tasks...');
	});
	gulp.watch('assets/styles/**/*.less', ['styles']).on('change', function(event) {
		console.log('File '+event.path+' was '+event.type+', running tasks...');
	});
	gulp.watch('assets/js/**/*.js', ['scripts']).on('change', function(event) {
		console.log('File '+event.path+' was '+event.type+', running tasks...');
	});
	gulp.watch('assets/partials/*', ['partials']).on('change', function(event) {
		console.log('File '+event.path+' was '+event.type+', running tasks...');
	});
	gulp.watch('assets/images/*', ['images']).on('change', function(event) {
		console.log('File '+event.path+' was '+event.type+', running tasks...');
	});
});