265 lines
10 KiB
JavaScript
265 lines
10 KiB
JavaScript
/**
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* SigPro
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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) => typeof o === "object" && o !== null;
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const ensureNode = (n) => n?._isRuntime ? n.container : (n instanceof Node ? n : doc.createTextNode(String(n ?? "")));
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// --- STATE VARIABLES ---
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let activeEffect = null;
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let currentOwner = null;
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let currentCtx = null;
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let isFlushing = false;
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const effectQueue = new Set();
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const MOUNTED_NODES = new WeakMap();
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// --- CLEANUP & LIFECYCLE ---
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const runCleanups = (s) => { s?.forEach(f => f()); s?.clear(); };
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const clearDeps = (e) => { e._deps.forEach(d => d.delete(e)); e._deps.clear(); };
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const onUnmount = (fn) => currentOwner && currentOwner.cleanups.add(fn);
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const cleanupNode = (node) => {
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if (node._cleanups) runCleanups(node._cleanups);
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node.childNodes?.forEach(cleanupNode);
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};
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// --- SCHEDULER & CONTEXT ---
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const runWithContext = (e, cb) => {
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const p = activeEffect; activeEffect = e;
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try { return cb(); } finally { activeEffect = p; }
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};
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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 || 0) - (b.depth || 0));
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effectQueue.clear();
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sorted.forEach(e => !e._deleted && e());
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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); activeEffect._deps.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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// --- SHARED STATE (NEW) ---
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const Share = (key, val) => currentCtx && (currentCtx.p[key] = val);
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const Use = (key, dft) => (currentCtx && key in currentCtx.p) ? currentCtx.p[key] : dft;
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// --- CORE API ---
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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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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 = () => {
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if (e._deleted) return;
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clearDeps(e);
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runWithContext(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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};
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assign(e, { _deps: new Set(), _isComputed: true, _subs: subs, _deleted: false, markDirty: () => (dirty = true),
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stop: () => { e._deleted = true; clearDeps(e); subs.clear(); } });
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onUnmount(e.stop);
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return () => { if (dirty) e(); 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), runner = () => {
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if (runner._deleted) return;
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clearDeps(runner); runCleanups(runner._cleanups);
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runner.depth = activeEffect ? activeEffect.depth + 1 : 0;
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runWithContext(runner, () => {
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const prev = currentOwner; currentOwner = { cleanups: runner._cleanups };
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explicit ? (untrack(cb), target.forEach(d => isFunc(d) && d())) : cb();
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currentOwner = prev;
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});
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};
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assign(runner, { _deps: new Set(), _cleanups: new Set(), _deleted: false,
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stop: () => { runner._deleted = true; clearDeps(runner); runCleanups(runner._cleanups); } });
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onUnmount(runner.stop);
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runner(); return runner.stop;
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};
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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)$/.test(tag);
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const el = isSVG ? doc.createElementNS("http://www.w3.org/2000/svg", tag) : doc.createElement(tag);
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el._cleanups = new Set();
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for (let [k, v] of Object.entries(props)) {
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if (k === "ref") { isFunc(v) ? v(el) : (v.current = el); continue; }
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if (k.startsWith("on")) {
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const ev = k.slice(2).toLowerCase(); el.addEventListener(ev, v);
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el._cleanups.add(() => el.removeEventListener(ev, v));
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} else if (isFunc(v)) {
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el._cleanups.add(Watch(() => {
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const val = v(), safe = (k === 'src' || k === 'href') && String(val).includes('javascript:') ? '#' : val;
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k === "class" ? (el.className = safe || "") : (safe == null || safe === false ? el.removeAttribute(k) : el.setAttribute(k, safe === true ? "" : safe));
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}));
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if (/^(INPUT|TEXTAREA|SELECT)$/.test(el.tagName) && (k === "value" || k === "checked")) {
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el.addEventListener(k === "checked" ? "change" : "input", (e) => v(e.target[k]));
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}
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} else el.setAttribute(k, v);
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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 m = doc.createTextNode(""); el.appendChild(m); let curr = [];
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el._cleanups.add(Watch(() => {
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const res = c(), next = (isArr(res) ? res : [res]).map(ensureNode);
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curr.forEach(n => { if (n instanceof Node) { cleanupNode(n); n.remove(); } });
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next.forEach(n => m.parentNode?.insertBefore(n, m)); curr = next;
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}));
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} else el.appendChild(ensureNode(c));
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};
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append(children); return el;
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};
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const Render = (fn) => {
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const cleanups = new Set();
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const prevOwner = currentOwner;
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const prevCtx = currentCtx;
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currentCtx = { p: { ...(prevCtx?.p || {}) } };
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const container = doc.createElement("div");
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container.style.display = "contents";
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currentOwner = { cleanups };
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const res = fn({ onCleanup: (f) => cleanups.add(f) });
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(isArr(res) ? res : [res]).forEach(r => container.appendChild(ensureNode(r)));
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currentCtx = prevCtx;
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currentOwner = prevOwner;
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return { _isRuntime: true, container, destroy: () => { runCleanups(cleanups); cleanupNode(container); container.remove(); } };
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};
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const If = (cond, t, f = null, trans = null) => {
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const m = doc.createTextNode(""), root = Tag("div", { style: "display:contents" }, [m]);
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let view = null, last = null;
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Watch(() => {
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const s = !!(isFunc(cond) ? cond() : cond);
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if (s === last) return; last = s;
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const dispose = () => { if(view) { view.destroy(); view = null; } };
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if (view && !s && trans?.out) trans.out(view.container, dispose); else dispose();
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const b = s ? t : f;
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if (b) {
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view = Render(() => isFunc(b) ? b() : b);
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root.insertBefore(view.container, m);
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if (trans?.in) trans.in(view.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 m = doc.createTextNode(""), root = Tag("div", { style: "display:contents" }, [m]);
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let cache = new Map();
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Watch(() => {
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const items = (isFunc(src) ? src() : src) || [], next = new Map(), order = [];
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items.forEach((item, i) => {
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const k = keyFn ? keyFn(item, i) : i;
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let v = cache.get(k) || Render(() => itemFn(item, i));
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cache.delete(k); next.set(k, v); order.push(k);
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});
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cache.forEach(v => v.destroy());
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let anchor = m;
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for (let i = order.length - 1; i >= 0; i--) {
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const v = next.get(order[i]);
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if (v.container.nextSibling !== anchor) root.insertBefore(v.container, anchor);
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anchor = v.container;
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}
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cache = next;
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});
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return root;
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};
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const Router = (routes) => {
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const getHash = () => window.location.hash.replace(/^#/, "") || "/";
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const path = $(getHash());
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window.addEventListener("hashchange", () => path(getHash()));
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const outlet = Tag("div", { class: "router-outlet" });
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let currentView = null;
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Watch([path], async () => {
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const cur = path(), route = routes.find(r => {
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const p1 = r.path.split("/").filter(Boolean), p2 = cur.split("/").filter(Boolean);
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return p1.length === p2.length && p1.every((p, i) => p.startsWith(":") || p === p2[i]);
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}) || routes.find(r => r.path === "*");
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if (route) {
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let comp = route.component;
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if (isFunc(comp) && comp.toString().includes('import')) comp = (await comp()).default;
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const params = {};
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route.path.split("/").filter(Boolean).forEach((p, i) => { if (p.startsWith(":")) params[p.slice(1)] = cur.split("/").filter(Boolean)[i]; });
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currentView?.destroy();
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Router.params(params);
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currentView = Render(() => isFunc(comp) ? comp(params) : comp);
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outlet.appendChild(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; 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); MOUNTED_NODES.set(t, inst); return inst;
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};
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return { $, $$, Share, Use, 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; |