Unable to access namespace or class when using import in Typescript

Question

This is the code in file- app.ts

  import Express = require('express');
  import FileSystem = require('fs');
  import Http = require('http');

module Service {
    export interface Configuration {
        Port: number,
        Host: string
    }
    export class AppServer {
        App: Express.Application;
        AppServer: Http.Server;

        constructor() {
            this.App = Express();
            this.App.use(this.App.route);
            // this.App.use(this.App.router);

        }

        /**
         * Start the server
         * @param {Configuration} config
         */
        StartServer = function (config: Configuration) {
            var That = this;
            this.AppServer = this.App.listen(config.Port, function () {

                var Host = That.AppServer.address().address;
                var Port = That.AppServer.address().port;

                console.log("Example app listening at http://%s:%s", Host, Port)

            })
        }
    }
}

when i am accessing the namespace in another file, i am getting the compile error that "unable to find service".

this is the code in file -server.ts

/// <reference path="App.ts" />

var Server = new Service.AppServer();
var Config = <Service.Configuration>{
    Port: 3000
}
Server.StartServer(Config);

but when i am removing the import statement which is requiring http and express, i am no more getting the error in the file. Please help me to find- where i am doing wrong?

the error i am gettinf is - 'ts2304' can not find name 'service'.

As per error which service you are not able to find ? is it for your Service module or for express, fs or http? — ranakrunal9
– ranakrunal9, Commented Dec 30, 2016 at 5:17
I have updated the question,btw the error i am getting is- 'ts2304' can not find name 'Service'. — Ujjwal Kumar Gupta
– Ujjwal Kumar Gupta, Commented Dec 30, 2016 at 7:45

Shishir Anshuman · Accepted Answer · 2016-12-30 12:26:24Z

2

It seems like you have not exported the module. Try adding export {Service} at the end of your file.

answered Dec 30, 2016 at 12:26

Shishir Anshuman

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3 Comments

Shishir Anshuman Over a year ago

After exporting, was the Service imported in server.ts. Something like this: import {Service} from './app.ts'. ?

Ujjwal Kumar Gupta Over a year ago

I am trying to import like this - import Service=Service; but i am getting the error - can not find service. But when i am doing like yours, i am no more getting the error. Can you tell me, why my syntax is not working. But syntax is working when i m removing the require statement.

Shishir Anshuman Over a year ago

import Service = require(./app.ts) is used when a single object is exported from the module using export = . That might be the reason. Have a look here. Under the section export = and import = require(), you will find your answer.

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