 <p>Use this definition file : <a href="https://github.com/borisyankov/DefinitelyTyped/blob/master/slickgrid/SlickGrid.d.ts" rel="nofollow">https://github.com/borisyankov/DefinitelyTyped/blob/master/slickgrid/SlickGrid.d.ts</a></p> <p>And add the following in some <code>.d.ts</code> file to tell typescript about your requirejs config: </p> <pre><code>declare module 'slickgrid'{ export = Slick } </code></pre> <p>This will allow you to do: </p> <pre><code>import slickgrid = require('slickgrid'); </code></pre>