TypeScript cannot find js module in same folder

Question

I am struggling to load a .js module which is in the same folder as my .ts file. I have 4 file in the same folder:

index.ts

/// <reference path="./node.d.ts" />
/// <reference path="./foo.d.ts" />

import foo = require('./foo.js');

node.d.ts

Copied from https://github.com/borisyankov/DefinitelyTyped/blob/master/node/node.d.ts

foo.d.ts

declare module "foo" {
    export function hello(): void;
}

foo.js

module.exports = {
    hello: function() {
        console.log('hello');
    }
};

When I run tsc index.ts --module commonjs, I get the following error:

index.ts(4,22): error TS2307: Cannot find module './foo.js'.

curpa · Accepted Answer · 2015-09-08 00:53:28Z

4

Since node.js will resolve foo via relative path rather than looking for it in the node_modules directory like it would with a module you'd installed via npm, you need to drop declare module "foo" in foo.d.ts. Also, in index.ts, drop the .js extension when calling require.

foo.d.ts

export function hello(): void;

index.ts

/// <reference path="./node.d.ts" />
/// <reference path="./foo.d.ts" />

import foo = require('./foo');

answered Sep 8, 2015 at 0:53

curpa

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Comments

Max Brodin · Accepted Answer · 2015-09-07 21:20:21Z

1

Try to use require without relative path

var foo = require('foo');

See related article for details.

answered Sep 7, 2015 at 21:20

Max Brodin

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