311 lines
11 KiB
JavaScript
311 lines
11 KiB
JavaScript
/**
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* SigPro v2.1 - Minimalista pero seguro (con árbol de owners y limpieza completa)
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*/
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const SigPro = (() => {
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const doc = typeof document !== "undefined" ? document : null;
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const isArr = Array.isArray, assign = Object.assign, isFunc = (f) => typeof f === "function", isObj = (o) => o && typeof o === "object";
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const ensureNode = (n) => n?._isRuntime ? n.container : (n instanceof Node ? n : doc.createTextNode(n == null ? "" : String(n)));
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// --- ÁRBOL DE CONTEXTO (OWNER TREE) minimalista ---
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let activeOwner = null, activeEffect = null, isFlushing = false;
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const effectQueue = new Set(), MOUNTED_NODES = new WeakMap();
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const createOwner = () => {
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const o = { c: new Set(), x: new Set(), d: new Set(), depth: activeOwner ? activeOwner.depth + 1 : 0 };
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if (activeOwner) activeOwner.c.add(o);
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return o;
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};
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const dispose = (o) => {
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if (!o) return;
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o.c?.forEach(dispose); // hijos
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o.x?.forEach(fn => fn()); // limpiezas
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o.d?.forEach(s => s.delete(o)); // desuscribir señales
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o.c?.clear(); o.x?.clear(); o.d?.clear();
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};
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const runWithOwner = (o, cb) => {
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const prev = activeOwner; activeOwner = o;
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try { return cb(); } finally { activeOwner = prev; }
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};
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const onUnmount = (fn) => activeOwner?.x.add(fn);
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// --- Limpieza de nodos (simple y recursiva) ---
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const cleanupNode = (node) => {
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if (node._cleanups) {
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node._cleanups.forEach(fn => fn());
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node._cleanups.clear();
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}
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if (node._owner) dispose(node._owner);
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if (node.childNodes) node.childNodes.forEach(cleanupNode);
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};
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// --- Scheduler ---
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const flush = () => {
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if (isFlushing) return; isFlushing = true;
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const sorted = Array.from(effectQueue).sort((a, b) => a.depth - b.depth);
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effectQueue.clear();
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sorted.forEach(e => !e._deleted && e.run());
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isFlushing = false;
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};
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const trackUpdate = (subs, trigger = false) => {
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if (!trigger && activeEffect && !activeEffect._deleted) {
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subs.add(activeEffect);
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activeEffect.d.add(subs);
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} else if (trigger) {
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subs.forEach(e => {
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if (e === activeEffect || e._deleted) return;
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if (e._isComputed) { e.markDirty(); if (e._subs) trackUpdate(e._subs, true); }
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else effectQueue.add(e);
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});
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if (!isFlushing) queueMicrotask(flush);
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}
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};
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const untrack = (fn) => {
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const p = activeEffect; activeEffect = null;
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try { return fn(); } finally { activeEffect = p; }
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};
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// --- CORE API (señales, efectos, reactivo) ---
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const $ = (val, key = null) => {
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const subs = new Set();
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if (isFunc(val)) {
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let cache, dirty = true;
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const e = createOwner();
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assign(e, { _isComputed: true, _subs: subs, markDirty: () => (dirty = true) });
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e.run = () => {
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if (e._deleted) return;
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dispose(e);
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const prevE = activeEffect; activeEffect = e;
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runWithOwner(e, () => {
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const next = val();
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if (!Object.is(cache, next) || dirty) { cache = next; dirty = false; trackUpdate(subs, true); }
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});
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activeEffect = prevE;
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};
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onUnmount(() => { e._deleted = true; dispose(e); subs.clear(); });
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return () => { if (dirty) e.run(); trackUpdate(subs); return cache; };
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}
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if (key) try { val = JSON.parse(localStorage.getItem(key)) ?? val; } catch(e) {}
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return (...args) => {
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if (args.length) {
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const next = isFunc(args[0]) ? args[0](val) : args[0];
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if (!Object.is(val, next)) {
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val = next; if (key) localStorage.setItem(key, JSON.stringify(val));
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trackUpdate(subs, true);
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}
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}
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trackUpdate(subs); return val;
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};
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};
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const $$ = (obj, cache = new WeakMap()) => {
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if (!isObj(obj)) return obj;
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if (cache.has(obj)) return cache.get(obj);
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const subs = {};
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const proxy = new Proxy(obj, {
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get: (t, k) => { trackUpdate(subs[k] ??= new Set()); return isObj(t[k]) ? $$(t[k], cache) : t[k]; },
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set: (t, k, v) => { if (!Object.is(t[k], v)) { t[k] = v; if (subs[k]) trackUpdate(subs[k], true); } return true; }
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});
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cache.set(obj, proxy); return proxy;
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};
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const Watch = (target, cb) => {
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const explicit = isArr(target), e = createOwner();
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e.run = () => {
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if (e._deleted) return;
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dispose(e);
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const prevE = activeEffect; activeEffect = e;
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runWithOwner(e, () => {
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explicit ? (untrack(cb), target.forEach(d => isFunc(d) && d())) : cb();
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});
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activeEffect = prevE;
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};
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onUnmount(() => { e._deleted = true; dispose(e); });
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e.run();
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return () => { e._deleted = true; dispose(e); };
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};
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// --- RENDERER (Tag, Render, If, For) con limpieza total ---
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const Tag = (tag, props = {}, children = []) => {
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if (props instanceof Node || isArr(props) || !isObj(props)) { children = props; props = {}; }
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const isSVG = /^(svg|path|circle|rect|line|polyline|polygon|g|defs|text|tspan|use)$/.test(tag);
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const el = isSVG ? doc.createElementNS("http://www.w3.org/2000/svg", tag) : doc.createElement(tag);
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el._cleanups = new Set(); // para limpieza independiente
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for (let [k, v] of Object.entries(props)) {
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if (k === "ref") { isFunc(v) ? v(el) : (v.current = el); continue; }
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if (k.startsWith("on")) {
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const ev = k.slice(2).toLowerCase();
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el.addEventListener(ev, v);
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const off = () => el.removeEventListener(ev, v);
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el._cleanups.add(off);
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onUnmount(off);
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} else if (isFunc(v)) {
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const stop = Watch(() => {
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const val = v();
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const safe = (k === 'src' || k === 'href') && String(val).includes('javascript:') ? '#' : val;
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if (k === "class") el.className = safe || "";
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else if (safe == null || safe === false) el.removeAttribute(k);
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else el.setAttribute(k, safe === true ? "" : safe);
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});
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el._cleanups.add(stop);
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onUnmount(stop);
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if (/^(INPUT|TEXTAREA|SELECT)$/.test(el.tagName) && (k === "value" || k === "checked")) {
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const evType = k === "checked" ? "change" : "input";
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el.addEventListener(evType, (ev) => v(ev.target[k]));
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}
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} else {
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el.setAttribute(k, v);
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}
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}
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const append = (c) => {
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if (isArr(c)) return c.forEach(append);
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if (isFunc(c)) {
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const anchor = doc.createTextNode("");
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el.appendChild(anchor);
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let currentNodes = [];
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const stop = Watch(() => {
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const res = c();
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const next = (isArr(res) ? res : [res]).map(ensureNode);
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// Limpiar antiguos (destruir componentes y nodos)
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currentNodes.forEach(n => {
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if (n._isRuntime) n.destroy();
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else cleanupNode(n);
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});
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let ref = anchor;
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for (let i = next.length-1; i >= 0; i--) {
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const node = next[i];
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if (node.parentNode !== ref.parentNode) ref.parentNode?.insertBefore(node, ref);
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ref = node;
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}
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currentNodes = next;
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});
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el._cleanups.add(stop);
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onUnmount(stop);
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} else {
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el.appendChild(ensureNode(c));
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}
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};
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append(children);
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return el;
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};
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const Render = (fn) => {
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const root = createOwner();
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const container = doc.createElement("div");
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container.style.display = "contents";
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runWithOwner(root, () => {
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const res = fn({ onCleanup: onUnmount });
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(isArr(res) ? res : [res]).forEach(r => container.appendChild(ensureNode(r)));
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});
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return { _isRuntime: true, container, destroy: () => { dispose(root); container.remove(); } };
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};
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const If = (cond, t, f = null, trans = null) => {
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const anchor = doc.createTextNode("");
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const root = Tag("div", { style: "display:contents" }, [anchor]);
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let currentView = null, last = null;
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Watch(() => {
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const show = !!(isFunc(cond) ? cond() : cond);
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if (show === last) return; last = show;
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const disposeView = () => { if (currentView) { currentView.destroy(); currentView = null; } };
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if (currentView && !show && trans?.out) trans.out(currentView.container, disposeView);
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else disposeView();
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const content = show ? t : f;
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if (content) {
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currentView = Render(() => isFunc(content) ? content() : content);
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root.insertBefore(currentView.container, anchor);
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if (trans?.in) trans.in(currentView.container);
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}
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});
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return root;
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};
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const For = (src, itemFn, keyFn) => {
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const anchor = doc.createTextNode("");
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const root = Tag("div", { style: "display:contents" }, [anchor]);
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let cache = new Map();
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Watch(() => {
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const items = (isFunc(src) ? src() : src) || [];
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const next = new Map();
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const order = [];
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for (let i = 0; i < items.length; i++) {
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const item = items[i];
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const key = keyFn ? keyFn(item, i) : i;
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let view = cache.get(key);
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if (!view) view = Render(() => itemFn(item, i));
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next.set(key, view);
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order.push(key);
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cache.delete(key);
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}
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cache.forEach(v => v.destroy());
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cache = next;
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let ref = anchor;
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for (let i = order.length-1; i >= 0; i--) {
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const view = next.get(order[i]);
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if (view.container.nextSibling !== ref) root.insertBefore(view.container, ref);
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ref = view.container;
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}
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});
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return root;
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};
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// --- Router (con limpieza del evento global) ---
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const Router = (routes) => {
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const getHash = () => window.location.hash.slice(1) || "/";
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const path = $(getHash());
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const handler = () => path(getHash());
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window.addEventListener("hashchange", handler);
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onUnmount(() => window.removeEventListener("hashchange", handler));
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const outlet = Tag("div", { class: "router-outlet" });
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let currentView = null;
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Watch([path], () => {
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const cur = path();
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const route = routes.find(r => {
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const p1 = r.path.split("/").filter(Boolean);
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const p2 = cur.split("/").filter(Boolean);
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return p1.length === p2.length && p1.every((p, i) => p[0] === ":" || p === p2[i]);
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}) || routes.find(r => r.path === "*");
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if (route) {
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currentView?.destroy();
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const params = {};
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route.path.split("/").filter(Boolean).forEach((p, i) => {
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if (p[0] === ":") params[p.slice(1)] = cur.split("/").filter(Boolean)[i];
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});
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Router.params(params);
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currentView = Render(() => isFunc(route.component) ? route.component(params) : route.component);
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outlet.replaceChildren(currentView.container);
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}
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});
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return outlet;
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};
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Router.params = $({});
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Router.to = (p) => window.location.hash = p.replace(/^#?\/?/, "#/");
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Router.back = () => window.history.back();
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Router.path = () => window.location.hash.replace(/^#/, "") || "/";
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const Mount = (comp, target) => {
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const t = typeof target === "string" ? doc.querySelector(target) : target;
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if (!t) return;
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if (MOUNTED_NODES.has(t)) MOUNTED_NODES.get(t).destroy();
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const inst = Render(isFunc(comp) ? comp : () => comp);
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t.replaceChildren(inst.container);
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MOUNTED_NODES.set(t, inst);
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return inst;
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};
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return { $, $$, Watch, Tag, Render, If, For, Router, Mount, untrack, onUnmount };
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})();
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if (typeof window !== "undefined") {
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Object.assign(window, SigPro);
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"div span p h1 h2 h3 h4 h5 h6 br hr section article aside nav main header footer ul ol li a em strong pre code form label input textarea select button img svg"
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.split(" ").forEach(t => window[t[0].toUpperCase() + t.slice(1)] = (p, c) => SigPro.Tag(t, p, c));
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}
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export default SigPro; |