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deka-dom-el/docs_src/components/examples/scopes/imperative.js
2023-12-16 16:14:00 +01:00

32 lines
710 B
JavaScript

/* PSEUDO-CODE!!! */
import { el, on, scope } from "deka-dom-el";
function component(){
const { host }= scope;
const ul= el("ul");
const ac= new AbortController();
fetchAPI({ signal: ac.signal }).then(data=> {
data.forEach(d=> ul.append(el("li", d)));
});
host(
/* element was remove before data fetched */
on.disconnected(()=> ac.abort())
);
return ul;
/**
* NEVER EVER!!
* let data;
* fetchAPI().then(d=> data= O(d));
*
* OR NEVER EVER!!
* const ul= el("ul");
* fetchAPI().then(d=> {
* const data= O("data");
* ul.append(el("li", data));
* });
*
* // THE HOST IS PROBABLY DIFFERENT THAN
* // YOU EXPECT AND OBSERVABLES MAY BE
* // UNEXPECTEDLY REMOVED!!!
* */
}