CODEWITHSUNDEEP
javascriptnode.jstypescripttypescript1.8
dab
dab

Reputation: 827

Typescript cannot find name of own class when importing Node.js

I'm attempting to use a node.js class (net in this instance) in a class I have defined.

Connection.ts:

import net = require('net');
class Connection  {

}

Then I reference my class in another file,

ConnectionContext.ts:

interface IConnectionContext {
    connection: Connection;
}

When I have this code, I see an underlined "Connection" in ConnectionContext that says "IConnectionContext.ts(3,17): error TS2304: Cannot find name 'Connection'"

if I remove the import * as net from part, the compile error goes away.

I'm a bit confused, when I look at the resulting JavaScript, all my classes look identical in their creation. I'm not certain why typescript is saying the class doesn't exist.

Here's my tsconfig:

{
    "compileOnSave": true,
    "compilerOptions": {
        "module": "commonjs",
        "outDir": "bin/",
        "noImplicitAny": true,
        "removeComments": true,
        "preserveConstEnums": true,
        "sourceMap": true,
        "moduleResolution": "node",
        "target": "es5"
    },
    "exclude": [
        "node_modules"
    ]
}

Based on this, what do I need to do to get my interface to see my class that uses node.js modules?

Upvotes: 4

Views: 5393

Answers (1)

basarat
basarat

Reputation: 276085

if I remove the import * as net from part, the compile error goes away.

In the absense of an import or export statement the file is considered global. As soon as you import / export it becomes a module and hence must be imported.

This is covered here : https://basarat.gitbooks.io/typescript/content/docs/project/modules.html 🌹

Upvotes: 5

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