Using requirejs in typescript file

Question

I would like to convert main.js file to TypeScript for learning purposes.

After having renamed the file to main.ts, I get a design time warning on this line:

define('knockout', ko); //Cannot find name define.

How do I resolve this warning?

Greg Gum · Accepted Answer · 2015-05-28 20:46:05Z

3

You need to let TypeScript know about external libraries. The easiest way to do that is through DefinitelyTyped. This link will take you to the require.js deffinitions for TypeScript. A .d.ts file is used to let TypeScript know about the API available through a libary, more info here.

You can get any definitelyTyped definition files though nuGet in VisualStudio.

/// <reference path="../scripts/typings/requirejs/require.d.ts" />

In VS, you can drag and drop the d.ts file into the .tx file and it will create the above code for.

edited May 28, 2015 at 20:46

Greg Gum

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answered May 28, 2015 at 14:22

Ross Scott

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