1
0
mirror of https://github.com/jaandrle/deka-dom-el synced 2024-11-24 09:29:37 +01:00
deka-dom-el/docs_src/components/examples/signals/actions-todos.js
Jan Andrle cd62782c7b
Replace “observable” term with “signal” (#19)
*  refact docs

to make editing (now renaming observables to signal) easier

*   use signal(s) term isntead of observable(s)

*  🔤 version + typo

* 🐛 customElement example (0→S)

* 📺 version in package-lock.json
2024-05-22 21:43:49 +02:00

57 lines
1.4 KiB
JavaScript
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

import { S } from "deka-dom-el/signals";
const todos= S([], {
push(item){
this.value.push(S(item));
},
pop(){
const removed= this.value.pop();
if(removed) S.clear(removed);
},
[S.symbols.onclear](){ // this covers `O.clear(todos)`
S.clear(...this.value);
}
});
import { el, on } from "deka-dom-el";
/** @type {ddeElementAddon<HTMLFormElement>} */
const onsubmit= on("submit", function(event){
event.preventDefault();
const data= new FormData(this);
switch (data.get("op")){
case "A"/*dd*/:
S.action(todos, "push", data.get("todo"));
break;
case "E"/*dit*/: {
const last= todos().at(-1);
if(!last) break;
last(data.get("todo"));
break;
}
case "R"/*emove*/:
S.action(todos, "pop");
break;
}
});
document.body.append(
el("ul").append(
S.el(todos, todos=>
todos.map(textContent=> el("li", textContent)))
),
el("form", null, onsubmit).append(
el("input", { type: "text", name: "todo", placeholder: "Todos text" }),
el(radio, { textContent: "Add", checked: true }),
el(radio, { textContent: "Edit last" }),
el(radio, { textContent: "Remove" }),
el("button", "Submit")
)
);
document.head.append(
el("style", "form{ display: flex; flex-flow: column nowrap; }")
);
function radio({ textContent, checked= false }){
return el("label").append(
el("input", { type: "radio", name: "op", value: textContent[0], checked }),
" ",textContent
)
}