{
 "name": "localserver",
 "version": "1.0.0",
 "description": "",
 "main": "index.js",
 "scripts": {
 "test": "echo \"Error: no test specified\" && exit 1"
 },
 "author": "",
 "license": "ISC",
 "devDependencies": {
 "gulp": "^3.9.1",
 "gulp-webserver": "^0.9.1",
 "gulp-livereload": "^3.8.1"
 }
}

var url = require('url');
var fs = require('fs');
var path = require('path');

gulp = require('gulp');
livereload = require('gulp-livereload');
webserver = require('gulp-webserver');

//web服务器
gulp.task('webserver', function() {
 gulp.src('./www') // 服务器目录（./代表根目录）
 .pipe(webserver({ // 运行gulp-webserver
 port: 8000, //端口，默认8000
 livereload: true, // 启用LiveReload
 open: true, // 服务器启动时自动打开网页
 directoryListing: {
  enable: true,
  path: './www'
 },
 middleware: function(req, res, next) {
  //mock local data
  var urlObj = url.parse(req.url, true),
  method = req.method;


  if (!urlObj.pathname.match(/^\/api/)) { //不是api开头的数据，直接next
  next();
  return;
  }
  var mockDataFile = path.join(__dirname, urlObj.pathname) + ".js";
  //file exist or not
  fs.access(mockDataFile, fs.F_OK, function(err) {
  if (err) {
   res.setHeader('Content-Type', 'application/json');
   res.end(JSON.stringify({
   "status": "没有找到此文件",
   "notFound": mockDataFile
   }));
   return;
  }
  var data = fs.readFileSync(mockDataFile, 'utf-8');
  res.setHeader('Content-Type', 'application/json');
  res.end(data);
  });
  next();
 },
 proxies: []
 }));
});


// 默认任务
gulp.task('default', ['webserver']);