hing you will likely need to do. Also, we don't offer support beyond this article for writing your own implementation.</strong></p>
<p>It is possible you may need complete control over the sending and receiving of requests.</p>
<p>Before you get started read and understand the <a href="https://fetch.spec.whatwg.org/">fetch specification</a> as you are essentially writing a custom fetch implementation.</p>
<p>The first step (second if you read the fetch spec as mentioned just above) is to understand the inte