text: 'use strict';
  
  var path = require('path');
  var gulp = require('gulp');
  var conf = require('./conf');
  
  var browserSync = require('browser-sync');
  var browserSyncSpa = require('browser-sync-spa');
  
  var util = require('util');
  
  var proxyMiddleware = require('http-proxy-middleware');
  
  function browserSyncInit(baseDir, browser) {
      browser = browser === undefined ? 'default' : browser;
  
      var routes = null;
      if (baseDir === conf.paths.src || (util.isArray(baseDir) && baseDir.indexOf(conf.paths.src) !== -1)) {
          routes = {
              '/bower_components': 'bower_components'
          };
      }
  
      var server = {
          baseDir: baseDir,
          routes: routes
      };
  
      /*
       * You can add a proxy to your backend by uncommenting the line below.
       * You just have to configure a context which will we redirected and the target url.
       * Example: $http.get('/users') requests will be automatically proxified.
       *
       * For more details and option, https://github.com/chimurai/http-proxy-middleware/blob/v0.9.0/README.md
       */
      // server.middleware = proxyMiddleware('/users', {target: 'http://jsonplaceholder.typicode.com', changeOrigin: true});
  
      browserSync.instance = browserSync.init({
          startPath: '/',
          server: server,
          browser: browser,
          ghostMode: false
      });
  }
  
  browserSync.use(browserSyncSpa({
      selector: '[ng-app]'// Only needed for angular apps
  }));
  
  gulp.task('serve', ['watch'], function () {
      browserSyncInit([path.join(conf.paths.tmp, '/serve'), conf.paths.src]);
  });
  
  gulp.task('serve:dist', ['build'], function () {
      browserSyncInit(conf.paths.dist);
  });
  
  gulp.task('serve:e2e', ['inject'], function () {
      browserSyncInit([conf.paths.tmp + '/serve', conf.paths.src], []);
  });
  
  gulp.task('serve:e2e-dist', ['build'], function () {
      browserSyncInit(conf.paths.dist, []);
  });
  