Javascript Meteor JS iron路由器：在路由之间共享公共“数据”

目前，我的路由器是这样的：

Router.map(function(){
  this.route('Home',{
    path:'/',
    template:'home',
    waitOn: function(){

    },
    data: function(){
      if(Meteor.userId()){
        var idOfOwner = Meteor.userId()

        var count = BirthDetails.find({idOfOwner: idOfOwner}).count();

        var hasBirthDetails;
        if(count > 0){
          hasBirthDetails = true;
        }else{
          hasBirthDetails = false;
        }
      }

      return {
        birthDetails: BirthDetails.find({
          idOfOwner: idOfOwner,
        }),

        hasBirthDetails: hasBirthDetails
      };

    }
  })

  this.route('Settings', {
    path: '/settings',
    template: 'settings',
    waitOn: function(){
      console.log('settings waitOn');

      //return Meteor.subscribe("userData");
    },
    data: function(){
      if(Meteor.userId()){
        var idOfOwner = Meteor.userId()

        var count = BirthDetails.find({idOfOwner: idOfOwner}).count();

        var hasBirthDetails;
        if(count > 0){
          hasBirthDetails = true;
        }else{
          hasBirthDetails = false;
        }
      }

      return {
        birthDetails: BirthDetails.find({
          idOfOwner: idOfOwner,
        }),

        hasBirthDetails: hasBirthDetails
      };


    }
  });

  this.route('Charts', {
    path:'/charts/:chart',
    template: 'charts',
    data: function(){

      Session.set("chartToDraw", this.params.chart);
      var birthInfo = Session.get('data');


      console.log('chart chart chart');
      console.log('inside Charts this.params.chart ' + this.params.chart);
      console.log('birthInfo');
      console.log(birthInfo);

      if(Meteor.userId()){
        var idOfOwner = Meteor.userId()

        var count = BirthDetails.find({idOfOwner: idOfOwner}).count();

        var hasBirthDetails;
        if(count > 0){
          hasBirthDetails = true;
        }else{
          hasBirthDetails = false;
        }
      }



      return {
        div: this.params.chart,
        birthInfo: birthInfo,
        birthDetails: BirthDetails.find({
          idOfOwner: idOfOwner,
        }),

        hasBirthDetails: hasBirthDetails
      };
    }
  });

  this.route('Factors', {
    path:'/factors/:factor',
    template: 'factors',
    data: function(){

      console.log('data of factors');

      if(Meteor.userId()){
        var idOfOwner = Meteor.userId()

        var count = BirthDetails.find({idOfOwner: idOfOwner}).count();

        var hasBirthDetails;
        if(count > 0){
          hasBirthDetails = true;
        }else{
          hasBirthDetails = false;
        }
      }


      var factorToDisplay = this.params.factor;

      console.log(factorToDisplay);

      var factorData = Session.get(factorToDisplay);

      console.log(factorData);

      var hasFactorData;
      if(typeof factorData === 'undefined'){

      }else{
        hasFactorData = true;
      }

      return {
        hasFactorData : hasFactorData,
        factor: this.params.factor,
        factorData : factorData,
        hasBirthDetails: hasBirthDetails,
        birthDetails: BirthDetails.find({
          idOfOwner: idOfOwner,
        }),
      }


    }
  });

  this.route('Data', {
    path: '/data',
    template: 'data',
    waitOn: function(){
      //return [Meteor.subscribe("name", argument);]
      //return [Meteor.subscribe("birth_details")];

    },
    data: function(){
      if(Meteor.userId()){
        var idOfOwner = Meteor.userId()

        var count = BirthDetails.find({idOfOwner: idOfOwner}).count();

        var hasBirthDetails;
        if(count > 0){
          hasBirthDetails = true;
        }else{
          hasBirthDetails = false;
        }
      }

      return {
        birthDetails: BirthDetails.find({
          idOfOwner: idOfOwner,
        }),

        hasBirthDetails: hasBirthDetails
      };
    }

  });


});

正如您所看到的，代码中有一些类似的重复：

if(Meteor.userId()){
        var idOfOwner = Meteor.userId()

        var count = BirthDetails.find({idOfOwner: idOfOwner}).count();

        var hasBirthDetails;
        if(count > 0){
          hasBirthDetails = true;
        }else{
          hasBirthDetails = false;
        }
      }

      return {
        birthDetails: BirthDetails.find({
          idOfOwner: idOfOwner,
        }),

        hasBirthDetails: hasBirthDetails
      };

如何避免在不同路径中重复代码？ 理想情况下，我希望在一个地方，许多路线可以使用它。 这样，如果我决定在重复的代码中做一些小的更改，我就不需要在许多不同的地方进行更改。。。。 我该怎么做

我没有使用RouteControl的原因是，对于某些路由，我需要添加更多的数据，以便在路由器的数据功能中返回……但也许我不知道如何使用RouteControl来解决此类问题

---

如何清理上面的代码？

您可以使用以下代码：

function get (type) {
var birthInfo = Session.get('data');
var idOfOwner = Meteor.userId()
this.BirthDetails = BirthDetails.find({idOfOwner: idOfOwner}).count();
this.birthInfo: = birthInfo;
return {
 div: this.params.chart,
 birthInfo: birthInfo,
 birthDetails: BirthDetails.find({
 idOfOwner: idOfOwner,
 }),
  hasBirthDetails: hasBirthDetails
  };
 }
}

BirthController = RouteController.extend({
  waitOn: function () { return Meteor.subscribe('birth', idOfOwner); },

  data: function () { return BirthDetails.findOne({_id: idOfOwner}) },

  action: function () {
    this.render();
  }
});

然后

Router.route('/birthday, {
  name: 'birth.details',
  controller: 'BirthController'
});

---

注意：这是示例代码，没有看到您的实际路线和模板。

是，这是使用RouteControl的标准方法。但我想我的问题是…假设我得到了另一个名为“AnotherBirth”的路由，它使用BirthController中的相同数据加上更多数据…你如何在不影响使用BirthController但不需要“AnotherBirth”使用的“AnotherBirth”数据的/Birth路由的情况下向BirthController添加“AnotherBirth”数据？你可以使用_扩展或超级，请参阅@ilrein的答案在控制器和扩展方面是正确的。请注意，您还可以在router.js文件中定义一个js函数，例如@thenchanter提供的函数，并在任何路由中使用它，我建议将绑定到模板的任何数据移动到模板级订阅中，避免数据管理和iron路由器控制器一起使用。