mirror of
https://github.com/jaandrle/deka-dom-el
synced 2024-11-24 09:29:37 +01:00
86 lines
2.3 KiB
JavaScript
86 lines
2.3 KiB
JavaScript
import { style, el, dispatchEvent, on, O, scope } from '../exports.js';
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const className= style.host(todosComponent).css`
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:host{
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display: flex;
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flex-flow: column nowrap;
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}
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:host input{
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margin-inline-start: .5em;
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}
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:host button{
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margin-inline-start: 1em;
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}
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:host output{
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white-space: pre;
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}
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`;
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/** @param {{ todos: string[] }} */
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export function todosComponent({ todos= [ "Task A" ] }= {}){
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let key= 0;
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const todosO= O(new Map(), {
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add(v){ this.value.set(key++, O(v)); },
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remove(key){ O.clear(this.value.get(key)); this.value.delete(key); }
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});
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todos.forEach(text=> O.action(todosO, "add", text));
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const name= "todoName";
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const onsubmitAdd= on("submit", event=> {
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const el= event.target.elements[name];
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event.preventDefault();
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O.action(todosO, "add", el.value);
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el.value= "";
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});
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const onremove= on("remove", event=>
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O.action(todosO, "remove", event.detail));
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return el("div", { className }).append(
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el("div").append(
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el("h2", "Todos:"),
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el("h3", "List of todos:"),
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O.el(todosO, (ts, memo)=> !ts.size
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? el("p", "No todos yet")
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: el("ul").append(
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...Array.from(ts).map(([ value, textContent ])=>
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memo(value, ()=> el(todoComponent, { textContent, value, className }, onremove)))
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)
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),
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el("p", "Click to the text to edit it.")
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),
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el("form", null, onsubmitAdd).append(
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el("h3", "Add a todo:"),
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el("label", "New todo: ").append(
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el("input", { name, type: "text", required: true }),
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),
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el("button", "+")
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),
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el("div").append(
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el("h3", "Output (JSON):"),
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el("output", O(()=> JSON.stringify(Array.from(todosO()), null, "\t")))
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)
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)
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}
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/**
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* @dispatchs {number} remove
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* */
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function todoComponent({ textContent, value }){
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const { host }= scope;
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const onclick= on("click", event=> {
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const value= Number(event.target.value);
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event.preventDefault();
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event.stopPropagation();
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dispatchEvent("remove")(host(), value);
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});
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const is_editable= O(false);
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const onedited= on("change", ev=> {
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textContent(ev.target.value);
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is_editable(false);
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});
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return el("li").append(
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O.el(is_editable, is=> is
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? el("input", { value: textContent(), type: "text" }, onedited)
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: el("span", { textContent, onclick: is_editable.bind(null, true) })
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),
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el("button", { type: "button", value, textContent: "-" }, onclick)
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);
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}
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