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Natxo
2026-04-08 00:45:20 +02:00
parent 679c6a54c1
commit c11d216c48
1 changed files with 119 additions and 110 deletions
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227
sigwork.js
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@@ -2,8 +2,10 @@
* SigPro * SigPro
*/ */
let isScheduled = false; // --- 1. CORE REACTIVO ---
const queue = new Set(); let activeEffect = null, currentContext = null, isScheduled = false;
const queue = new Set(), nodeContexts = new WeakMap(), reactiveCache = new WeakMap();
const tick = () => { const tick = () => {
while (queue.size) { while (queue.size) {
const runs = [...queue]; const runs = [...queue];
@@ -13,14 +15,6 @@ const tick = () => {
isScheduled = false; isScheduled = false;
}; };
let activeEffect = null;
let currentContext = null;
const nodeContexts = new WeakMap();
const reactiveCache = new WeakMap();
const DANGEROUS = /^(javascript|data|vbscript):/i;
const sanitize = v => DANGEROUS.test(String(v)) ? '#' : v;
const track = (subs) => { const track = (subs) => {
if (activeEffect) { if (activeEffect) {
subs.add(activeEffect); subs.add(activeEffect);
@@ -28,44 +22,24 @@ const track = (subs) => {
} }
}; };
export const Effect = (fn, is_scope = false) => { export const untrack = (fn) => {
let cleanup = null; const prev = activeEffect;
const runner = () => { activeEffect = null;
stop(); const res = fn();
const prevContext = currentContext; activeEffect = prev;
const prevEffect = activeEffect; return res;
activeEffect = runner;
cleanup = fn();
activeEffect = prevEffect;
currentContext = prevContext;
};
const stop = () => {
runner.deps?.forEach(subs => subs.delete(runner));
runner.deps?.clear();
if (typeof cleanup === 'function') cleanup();
runner.cleanups?.forEach(f => f());
runner.cleanups = [];
};
runner.deps = new Set();
runner.cleanups = [];
if (activeEffect) activeEffect.cleanups.push(stop);
else if (currentContext) currentContext.cleanups.add(stop);
runner();
return stop;
}; };
// --- 2. ESTADOS Y REACTIVIDAD ---
export const Signal = (value) => { export const Signal = (value) => {
const subs = new Set(); const subs = new Set();
return { return {
_isSig: true, _isSig: true,
get value() { get value() { track(subs); return value; },
track(subs);
return value;
},
set value(v) { set value(v) {
if (v === value) return; if (v === value) return;
value = v; value = v;
subs.forEach(fn => queue.add(fn)); subs.forEach(f => queue.add(f));
if (!isScheduled) { isScheduled = true; queueMicrotask(tick); } if (!isScheduled) { isScheduled = true; queueMicrotask(tick); }
} }
}; };
@@ -85,7 +59,7 @@ export const Reactive = (obj) => {
if (t[k] === v) return true; if (t[k] === v) return true;
t[k] = v; t[k] = v;
if (subs[k]) { if (subs[k]) {
subs[k].forEach(fn => queue.add(fn)); subs[k].forEach(f => queue.add(f));
if (!isScheduled) { isScheduled = true; queueMicrotask(tick); } if (!isScheduled) { isScheduled = true; queueMicrotask(tick); }
} }
return true; return true;
@@ -101,6 +75,16 @@ export const Computed = (fn) => {
return { get value() { return c.value; } }; return { get value() { return c.value; } };
}; };
export const Watch = (source, cb) => {
let old;
return Effect(() => {
const val = typeof source === 'function' ? source() : source.value;
const prev = old;
old = val;
untrack(() => cb(val, prev));
});
};
export const Storage = (key, val) => { export const Storage = (key, val) => {
const saved = localStorage.getItem(key); const saved = localStorage.getItem(key);
const s = Signal(saved !== null ? JSON.parse(saved) : val); const s = Signal(saved !== null ? JSON.parse(saved) : val);
@@ -108,15 +92,47 @@ export const Storage = (key, val) => {
return s; return s;
}; };
// --- 3. EFECTOS Y CICLO DE VIDA ---
export const Effect = (fn) => {
let cleanup;
const runner = () => {
if (cleanup) cleanup();
const prevEff = activeEffect;
activeEffect = runner;
cleanup = fn();
activeEffect = prevEff;
};
runner.deps = new Set();
if (activeEffect?.scopes) activeEffect.scopes.push(runner);
else if (currentContext) currentContext.cleanups.push(runner);
runner();
return () => { if (cleanup) cleanup(); runner.deps.forEach(s => s.delete(runner)); };
};
export const Scope = (fn) => {
const scopes = [];
const prev = activeEffect;
activeEffect = { scopes };
fn();
activeEffect = prev;
return () => scopes.forEach(s => s());
};
export const onMount = f => currentContext?.mount.push(f);
export const onUnmount = f => currentContext?.unmount.push(f);
// --- 4. RENDERER & DIFFING ---
const isNode = v => v instanceof Node; const isNode = v => v instanceof Node;
const DANGEROUS = /^(javascript|data|vbscript):/i;
const sanitize = v => DANGEROUS.test(String(v)) ? '#' : v;
export const destroy = async (node) => { export const destroy = async (node) => {
if (!node) return; if (!node) return;
const ctx = nodeContexts.get(node); const ctx = nodeContexts.get(node);
if (node.off) await node.off(node); if (node.off) await node.off(node); // Soporte para tu If/Transition manual
if (ctx) { if (ctx) {
ctx.unmount.forEach(fn => fn()); ctx.unmount.forEach(f => f());
ctx.cleanups.forEach(fn => fn()); ctx.cleanups.forEach(f => f());
nodeContexts.delete(node); nodeContexts.delete(node);
} }
const children = Array.from(node.childNodes); const children = Array.from(node.childNodes);
@@ -131,10 +147,8 @@ const append = (parent, child) => {
parent.appendChild(anchor); parent.appendChild(anchor);
let nodes = []; let nodes = [];
Effect(async () => { Effect(async () => {
const raw = child(); const next = [child()].flat(Infinity)
const next = [raw].flat(Infinity) .map(n => typeof n === 'function' ? n() : n).flat(Infinity)
.map(n => typeof n === 'function' ? n() : n)
.flat(Infinity)
.filter(n => n != null) .filter(n => n != null)
.map(n => isNode(n) ? n : document.createTextNode(String(n))); .map(n => isNode(n) ? n : document.createTextNode(String(n)));
@@ -150,12 +164,10 @@ const append = (parent, child) => {
if (!oldIdxs.has(node) || nodes[p] !== node) { if (!oldIdxs.has(node) || nodes[p] !== node) {
parent.insertBefore(node, ref); parent.insertBefore(node, ref);
if (node.on) queueMicrotask(() => node.on(node)); if (node.on) queueMicrotask(() => node.on(node));
} else { } else p--;
p--;
}
} }
nodes = next; nodes = next;
}, true); });
} else { } else {
const n = isNode(child) ? child : document.createTextNode(String(child)); const n = isNode(child) ? child : document.createTextNode(String(child));
parent.appendChild(n); parent.appendChild(n);
@@ -165,63 +177,60 @@ const append = (parent, child) => {
export const h = (tag, props = {}, ...children) => { export const h = (tag, props = {}, ...children) => {
props = props || {}; props = props || {};
const flatChildren = children.flat(Infinity); const flat = children.flat(Infinity);
if (!tag) return () => flatChildren; if (!tag) return () => flat;
if (tag === 'component') return () => h(props.is, props, ...flat);
if (typeof tag === 'function') { if (typeof tag === 'function') {
const context = { mount: [], unmount: [], Share: {}, parent: currentContext, cleanups: new Set() }; const ctx = { mount: [], unmount: [], cleanups: [], Share: {}, parent: currentContext };
const prevCtx = currentContext; const prev = currentContext;
currentContext = context; currentContext = ctx;
const el = tag(props, { children: flatChildren }); const el = tag(props, { children: flat });
if (isNode(el)) nodeContexts.set(el, context); if (isNode(el)) nodeContexts.set(el, ctx);
currentContext = prevCtx; currentContext = prev;
queueMicrotask(() => context.mount.forEach(fn => fn())); queueMicrotask(() => ctx.mount.forEach(f => f()));
return el; return el;
} }
let el;
const isSVG = /^(svg|path|circle|rect|g)$/i.test(tag); const isSVG = /^(svg|path|circle|rect|g)$/i.test(tag);
el = isSVG ? document.createElementNS("http://www.w3.org/2000/svg", tag) : document.createElement(tag); const el = isSVG ? document.createElementNS("http://www.w3.org/2000/svg", tag) : document.createElement(tag);
for (const key in props) { for (const k in props) {
const val = props[key]; const v = props[k];
if (key.startsWith('on')) { if (k.startsWith('on')) el.addEventListener(k.slice(2).toLowerCase(), v);
el.addEventListener(key.slice(2).toLowerCase(), val); else if (k === 'ref') { if (typeof v === 'function') v(el); else if (v?._isSig) v.value = el; }
} else if (key === 'ref') { else if (typeof v === 'function' || v?._isSig) {
if (typeof val === 'function') val(el);
else if (val && val._isSig) val.value = el;
} else if (typeof val === 'function' || (val && val._isSig)) {
Effect(() => { Effect(() => {
const v = typeof val === 'function' ? val() : val.value; const val = typeof v === 'function' ? v() : v.value;
if (key === 'on' || key === 'off') { el[key] = v; return; } if (k === 'on' || k === 'off') { el[k] = val; return; }
const attr = (key === 'href' || key === 'src') ? sanitize(v) : v; const attr = (k === 'href' || k === 'src') ? sanitize(val) : val;
if (!isSVG && key in el) el[key] = attr; else el.setAttribute(key, attr); if (!isSVG && k in el) el[k] = attr; else el.setAttribute(k, attr);
}); });
} else { } else {
if (key === 'on' || key === 'off') { el[key] = val; continue; } if (k === 'on' || k === 'off') { el[k] = v; continue; }
const attr = (key === 'href' || key === 'src') ? sanitize(val) : val; const attr = (k === 'href' || k === 'src') ? sanitize(v) : v;
if (!isSVG && key in el) el[key] = attr; else el.setAttribute(key, attr); if (!isSVG && k in el) el[k] = attr; else el.setAttribute(k, attr);
} }
} }
flatChildren.forEach(c => append(el, c)); flat.forEach(c => append(el, c));
return el; return el;
}; };
export const If = (cond, a, b) => () => cond() ? a() : (b ? b() : null); // --- 5. COMPONENTES Y RUTAS ---
export const If = (c, t, e) => () => c() ? t() : (e ? e() : null);
export const For = (list, key, render) => { export const For = (l, k, r) => {
let cache = new Map(); let cache = new Map();
return () => { return () => {
const items = typeof list === 'function' ? list() : list.value; const items = typeof l === 'function' ? l() : l.value;
const nextCache = new Map(); const next = new Map();
const nodes = items.map((item, i) => { const res = items.map((item, i) => {
const k = key ? key(item, i) : (item.id || i); const id = k ? k(item, i) : (item.id || i);
let node = cache.get(k) || render(item, i); const n = cache.get(id) || r(item, i);
nextCache.set(k, node); next.set(id, n);
return node; return n;
}); });
cache = nextCache; cache = next; return res;
return nodes;
}; };
}; };
@@ -229,35 +238,35 @@ export const Router = (routes) => {
const path = Signal(window.location.hash.replace(/^#/, '') || '/'); const path = Signal(window.location.hash.replace(/^#/, '') || '/');
window.onhashchange = () => path.value = window.location.hash.replace(/^#/, '') || '/'; window.onhashchange = () => path.value = window.location.hash.replace(/^#/, '') || '/';
const outlet = h('div', { class: 'router-outlet' }); const outlet = h('div', { class: 'router-outlet' });
let currentView = null; let view = null;
Effect(async () => { Effect(async () => {
const route = routes.find(r => r.path === path.value) || routes.find(r => r.path === '*'); const r = routes.find(x => x.path === path.value) || routes.find(x => x.path === '*');
if (currentView) await destroy(currentView); if (view) await destroy(view);
if (route) { if (r) {
currentView = route.component(); view = r.component();
outlet.appendChild(currentView); outlet.appendChild(view);
} }
}); });
return outlet; return outlet;
}; };
export const Mount = (root, target) => { export const Mount = (r, t) => {
const el = typeof root === 'function' ? root() : root; const el = typeof r === 'function' ? r() : r;
const container = typeof target === 'string' ? document.querySelector(target) : target; const container = (typeof t === 'string' ? document.querySelector(t) : t);
container.replaceChildren(el); container.replaceChildren(el);
return () => destroy(el); return () => destroy(el);
}; };
export const onMount = (fn) => currentContext?.mount.push(fn); // --- 6. CONTEXTO (DEPENDENCY INJECTION) ---
export const onUnmount = (fn) => currentContext?.unmount.push(fn); export const Share = (k, v) => { if (currentContext) currentContext.Share[k] = v; };
export const Share = (key, value) => { if (currentContext) currentContext.Share[key] = value; }; export const Use = (k, d) => {
export const Use = (key, def) => { let c = currentContext;
let ctx = currentContext; while (c) { if (c.Share[k] !== undefined) return c.Share[k]; c = c.parent; }
while (ctx) { return d;
if (ctx.Share[key] !== undefined) return ctx.Share[key];
ctx = ctx.parent;
}
return def;
}; };
export default { Signal, Reactive, Computed, Storage, Effect, h, If, For, Router, Mount, Share, Use, onMount, onUnmount }; export default {
Signal, Reactive, Computed, Effect, Watch, Storage,
untrack, Scope, h, If, For, Router, Mount,
onMount, onUnmount, Share, Use
};