CODEWITHSUNDEEP
node.jstypescript
jorgenbs
jorgenbs

Reputation: 557

Importing node-modules with TypeScript

I'm trying to get this to work, but I can't seem to find a solution anywhere on SO. When trying to compile this single-file app:

import http = require('http')
http.createServer(function (req, res) {
  res.writeHead(200, {'Content-Type': 'text/plain'});
  res.end('Hello World\n');
}).listen(1337, '127.0.0.1');
console.log('Server running at http://127.0.0.1:1337/');

Using the command "tsc app.ts --module 'commonjs'" I get the following error (not using the --module flag gives me an additional error telling me that I need it to compile external modules):

error TS2071: Unable to resolve external module '"http"'.
error TS2072: Module cannot be aliased to a non-module type.

Upvotes: 37

Views: 49773

Answers (3)

basarat
basarat

Reputation: 276235

TypeScript needs to know that http is present.

Updated

Install the type definitinos for node:

npm install @types/node

Old answer

Follows these two steps

PS: See a sample test file : https://github.com/borisyankov/DefinitelyTyped/blob/master/node/node-tests.ts

Upvotes: 45

harvzor
harvzor

Reputation: 2908

I found that I had noResolve set to true in my tsconfig.json file. This was causing errors with the references to the .d.ts files that I had included at the top of my TypeScript files.

Upvotes: 2

Alessandro L.
Alessandro L.

Reputation: 405

Shouldn't it be something like

/// <reference path="node.d.ts" />
import http = module('http')

I mean, shouldn't you use module instead of require ?

Upvotes: -3

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