Mirror: 🎩 A tiny but capable push & pull stream library for TypeScript and Flow

Fix fromDomEvent example so compiles. (#73)

* Update sources.md

Capitalization Typo in cods.

* Update sources.md

Fix fromDomEvent example so compiles.
```ocaml
This has type:
option(Dom.element)
But somewhere wanted:
Dom.element (defined as
Dom.eventTarget_like(Dom._node(Dom._element(Dom._baseClass))))
```

Changed files
+1 -1
docs
+1 -1
docs/api/sources.md
···
open Webapi.Dom;
open Document;
-
let element = getElementById("root", document);
+
let element = getElementById("root", document)->Belt.Option.getExn;
Wonka.fromDomEvent(element, "click")
|> Wonka.subscribe((. click) => Js.log(click));