带有对象的javascript中自调用函数的访问函数

Question

我有相同的代码结构，并希望访问在其他文件中定义的函数-- ...how --我可以尝试使用module.exports & require吗？

app.js

var x= require('./invkFunc1');

x.display1();
x.display2();
x.display3(); 

invkFunc1.js

var x = require('./invkFunc2');

(function(x){
    //var x=  {}
    disp1 = "hello i am from display1"
    x.display1 = function(){
        console.log(disp1)
    }
    return x;
}(x));

invkFunc2.js

var x = require('./invkFunc3');

(function(x){
    //var x=  {}
    x.disp2 = "hello i am from display2"
    x.display2 = function(){
        console.log(x.disp2)
    }
   return x;
}(x));

invkFunc3.js

module.exports = 

(function(){

var x=  {}
    x.disp3 = "hello i am from display3";
    x.display3 = function(){

        console.log(x.disp3)
    }
   return x;
}());

error:

x.display1();
  ^

TypeError: x.display1 is not a function
    at Object.<anonymous> (c:\Users\prabhat.mishra\Desktop\Chrome-DOM-EXT\extension as on 2rd july 2018\SampleExtension\module.exports\app.js:39:3)
    at Module._compile (module.js:571:32)
    at Object.Module._extensions..js (module.js:580:10)
    at Module.load (module.js:488:32)
    at tryModuleLoad (module.js:447:12)
    at Function.Module._load (module.js:439:3)
    at Module.runMain (module.js:605:10)
    at run (bootstrap_node.js:420:7)
    at startup (bootstrap_node.js:139:9)
    at bootstrap_node.js:535:3

在所有这些示例中，我如何访问较低级别的文件，并使某些文件中定义的函数可用于当前的所有文件。

这样我就可以像以前一样通过将这些代码放在一个文件中来实现模块化。

Working code:：trying to achieve modularization from above code of below code

var x ={};



(function(){

  //  var x=  {}
        x.disp3 = "hello i am from display3";
        x.display3 = function(){

            console.log(x.disp3)
        }
    }());

    (function(){
      //  var x=  {}
        x.disp2 = "hello i am from display2"
        x.display2 = function(){
            console.log(x.disp2)
        }
        console.log("call in invkFunc2");
       //x.display3();
    }());

(function(){
    //var x=  {}
    x.disp1 = "hello i am from display1"
    x.display1 = function(){
        console.log(x.disp1)
    }
}());

x.display1()
x.display2();
x.display3();

提前感谢！

Answer 1

如果你想使用“要求”，你应该先导出，你可以这样编码

app.js：

var x = require('./invkFunc1');

x.display1();
x.display2();
x.display3();

invkFunc1.js

var x = require('./invkFunc2');
var disp1 = "hello i am from display1"
x.display1 = function(){
  console.log(disp1)
}
module.exports = x;

invkFunc2.js

var x = require('./invkFunc3');
var disp2 = "hello i am from display2"
x.display2 = function(){
  console.log(disp1)
}
module.exports = x;

invkFunc3.js

var x = {}
x.disp3 = "hello i am from display3";
x.display3 = function () {
  console.log(x.disp3)
}
module.exports = x;