 <p>This is <strong>not</strong> officially supported but...</p> <p>What about using <code>aync</code>/<code>await</code> if you are feeling adventurous and happy to use babel.</p> <pre><code>async function foo() { const res1 = await Redis.getAsync("boo") const res2 = await Redis.getAsync(res1) } </code></pre>