gulpfile.js

var gulp = require('gulp');
var $ = require('gulp-load-plugins')();
var open = require('open');

var app = {
	srcPath: 'src/',
	devPath: 'build/',
	prdPath: 'dist/',
};

gulp.task('lib',function(){
	gulp.src('lib/**/*.js')
		.pipe(gulp.dest(app.devPath + 'vendor'))
		.pipe(gulp.dest(app.prdPath + 'vendor'))
		.pipe($.connect.reload());
});

gulp.task('html',function(){
	gulp.src(app.srcPath + '**/*.html')
		.pipe(gulp.dest(app.devPath))
		.pipe(gulp.dest(app.prdPath))
		.pipe($.connect.reload());
});

gulp.task('json',function(){
	gulp.src(app.srcPath + "data/**/*.json")
		.pipe(gulp.dest(app.devPath+'data'))
		.pipe(gulp.dest(app.prdPath+'data'))
		.pipe($.connect.reload());
});

gulp.task('less',function(){
	gulp.src(app.srcPath + 'style/index.less')
		.pipe($.less())
		.pipe(gulp.dest(app.devPath + 'css'))
		.pipe($.cssmin())
		.pipe(gulp.dest(app.prdPath + 'css'))
		.pipe($.connect.reload());

});

gulp.task('js',function(){
	gulp.src(app.srcPath + 'script/**/*.js')
		.pipe($.concat('index.js'))
		.pipe(gulp.dest(app.devPath + 'js'))
		.pipe($.uglify())
		.pipe(gulp.dest(app.prdPath + 'js'))
		.pipe($.connect.reload());
});

gulp.task('image',function(){
	gulp.src(app.srcPath + 'image/**/*')
		.pipe(gulp.dest(app.devPath + 'image'))
		.pipe($.imagemin())
		.pipe(gulp.dest(app.prdPath + 'image'))
		.pipe($.connect.reload());
});

// 

gulp.task('clean',function(){
	gulp.src([ app.devPath,app.prdPath ])
		.pipe($.clean());
});

gulp.task('build',[ 'lib','html','json','less','js','image']);

gulp.task('serve',['build'],function(){
	$.connect.server({
		root: [app.devPath],
		livereload: true,
		port:1234
	});
	open('http://localhost:1234');
	gulp.watch(app.srcPath + 'script/**/*.js',['js']);
	gulp.watch('lib/**/*',['lib']);
	gulp.watch(app.srcPath + '**/*.html',['html']);
	gulp.watch(app.srcPath + 'data/**/*.json',['json']);
	gulp.watch(app.srcPath + 'style/**/*.less',['less']);
	gulp.watch(app.srcPath + 'image/**/*',['image']);
});

gulp.task('default',['serve']);