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Memo/reuse in O.el (#18)

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* 🎉

* ✨ Add hasOwn helper and replace `Reflect.*`

* Update package.json
This commit is contained in:
Jan Andrle
2024-02-03 14:29:24 +01:00
committed by GitHub
parent a5d43e6925
commit b740b8e020
9 changed files with 93 additions and 81 deletions
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5
src/dom.js
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@@ -65,12 +65,13 @@ export function createElement(tag, attributes, ...addons){
scoped= 2;
return el;
}
import { hasOwn } from "./helpers.js";
/** @param {HTMLElement} element @param {HTMLElement} [root] */
export function simulateSlots(element, root= element, mapper= undefined){
const _default= Symbol.for("default");
const slots= Array.from(root.querySelectorAll("slot"))
.reduce((out, curr)=> Reflect.set(out, curr.name || _default, curr) && out, {});
const has_d= Reflect.has(slots, _default);
const has_d= hasOwn(slots, _default);
element.append= new Proxy(element.append, {
apply(orig, _, els){
if(!els.length) return element;
@@ -198,7 +199,7 @@ export function elementAttribute(element, op, key, value){
import { isUndef } from "./helpers.js";
//TODO add cache? `(Map/Set)<el.tagName+key,isUndef>`
function isPropSetter(el, key){
if(!Reflect.has(el, key)) return false;
if(!(key in el)) return false;
const des= getPropDescriptor(el, key);
return !isUndef(des.set);
}