382
sw.js
382
sw.js
@@ -1,15 +1,15 @@
|
||||
/*
|
||||
* Fixed: Memory Leaks, Fragment Lifecycle, and List Reconciler.
|
||||
* Refactored: Compact & Descriptive naming.
|
||||
*/
|
||||
|
||||
// --- Utilities ---
|
||||
const isFunction = (v) => typeof v === 'function', isNode = (v) => v instanceof Node;
|
||||
const isFunction = (value) => typeof value === 'function';
|
||||
const isNode = (value) => value instanceof Node;
|
||||
|
||||
// --- Schedule System ---
|
||||
let isScheduled = false;
|
||||
const updateQueue = new Set();
|
||||
const processQueue = () => { updateQueue.forEach(cb => cb()); updateQueue.clear(); isScheduled = false; };
|
||||
const processQueue = () => {
|
||||
updateQueue.forEach(callback => callback());
|
||||
updateQueue.clear();
|
||||
isScheduled = false;
|
||||
}
|
||||
|
||||
// --- Effects System ---
|
||||
let activeEffect = null;
|
||||
@@ -17,193 +17,309 @@ export const effect = (fn, isScope = false) => {
|
||||
let cleanup = null;
|
||||
const run = () => {
|
||||
stop();
|
||||
const prev = activeEffect; activeEffect = run;
|
||||
try { cleanup = fn(); } finally { activeEffect = prev; }
|
||||
};
|
||||
const previousEffect = activeEffect;
|
||||
activeEffect = run;
|
||||
try { cleanup = fn(); } finally { activeEffect = previousEffect; }
|
||||
}
|
||||
const stop = () => {
|
||||
run.subscriptions.forEach(subs => subs.delete(run)); run.subscriptions.clear();
|
||||
run.subscriptions.forEach(subscribers => subscribers.delete(run));
|
||||
run.subscriptions.clear();
|
||||
if (isFunction(cleanup)) cleanup();
|
||||
if (run.childEffects) { run.childEffects.forEach(s => s()); run.childEffects.length = 0; }
|
||||
};
|
||||
run.subscriptions = new Set(); if (isScope) run.childEffects = [];
|
||||
run(); if (activeEffect?.childEffects) activeEffect.childEffects.push(stop);
|
||||
if (run.childEffects) {
|
||||
run.childEffects.forEach(stopChild => stopChild());
|
||||
run.childEffects.length = 0;
|
||||
}
|
||||
}
|
||||
run.subscriptions = new Set();
|
||||
if (isScope) run.childEffects = [];
|
||||
run();
|
||||
if (activeEffect?.childEffects) activeEffect.childEffects.push(stop);
|
||||
return stop;
|
||||
};
|
||||
}
|
||||
|
||||
export const scope = (fn) => effect(fn, true);
|
||||
const track = (subs) => { if (activeEffect && !activeEffect.childEffects) { subs.add(activeEffect); activeEffect.subscriptions.add(subs); } };
|
||||
|
||||
const track = (subscribers) => {
|
||||
if (activeEffect && !activeEffect.childEffects) {
|
||||
subscribers.add(activeEffect);
|
||||
activeEffect.subscriptions.add(subscribers);
|
||||
}
|
||||
}
|
||||
|
||||
// --- Signals Core ---
|
||||
export const signal = (val, key = null) => {
|
||||
const subs = new Set(), storage = typeof localStorage !== 'undefined';
|
||||
let current = val;
|
||||
if (key && storage) { const saved = localStorage.getItem(key); if (saved !== null) try { current = JSON.parse(saved); } catch {} }
|
||||
export const signal = (initialValue, storageKey = null) => {
|
||||
const subscribers = new Set();
|
||||
const hasStorage = typeof localStorage !== 'undefined';
|
||||
let currentValue = initialValue;
|
||||
|
||||
const sig = {
|
||||
if (storageKey && hasStorage) {
|
||||
const saved = localStorage.getItem(storageKey);
|
||||
if (saved !== null) try { currentValue = JSON.parse(saved); } catch {}
|
||||
}
|
||||
|
||||
const signalObject = {
|
||||
_isSignal: true,
|
||||
get value() { track(subs); return current; },
|
||||
set value(v) {
|
||||
if (v === current) return;
|
||||
current = v; subs.forEach(cb => updateQueue.add(cb));
|
||||
get value() { track(subscribers); return currentValue; },
|
||||
set value(newValue) {
|
||||
if (newValue === currentValue) return;
|
||||
currentValue = newValue;
|
||||
subscribers.forEach(callback => updateQueue.add(callback));
|
||||
if (!isScheduled) { isScheduled = true; queueMicrotask(processQueue); }
|
||||
}
|
||||
};
|
||||
if (key && storage) effect(() => localStorage.setItem(key, JSON.stringify(sig.value)));
|
||||
return sig;
|
||||
|
||||
if (storageKey && hasStorage) {
|
||||
effect(() => localStorage.setItem(storageKey, JSON.stringify(signalObject.value)));
|
||||
}
|
||||
|
||||
return signalObject;
|
||||
};
|
||||
|
||||
export const untrack = (fn) => { const prev = activeEffect; activeEffect = null; const res = fn(); activeEffect = prev; return res; };
|
||||
export const computed = (fn) => { const sig = signal(); effect(() => sig.value = fn()); return { get value() { return sig.value; } }; };
|
||||
export const untrack = (fn) => {
|
||||
const previousEffect = activeEffect;
|
||||
activeEffect = null;
|
||||
const result = fn();
|
||||
activeEffect = previousEffect;
|
||||
return result;
|
||||
}
|
||||
|
||||
export const computed = (fn) => {
|
||||
const sig = signal();
|
||||
effect(() => sig.value = fn());
|
||||
return { get value() { return sig.value; } };
|
||||
}
|
||||
|
||||
const reactiveCache = new WeakMap();
|
||||
export const reactive = (obj) => {
|
||||
if (reactiveCache.has(obj)) return reactiveCache.get(obj);
|
||||
const subsMap = {};
|
||||
const proxy = new Proxy(obj, {
|
||||
get(t, k) { track(subsMap[k] ??= new Set()); const v = t[k]; return (v && typeof v === 'object') ? reactive(v) : v; },
|
||||
set(t, k, v) {
|
||||
if (t[k] === v) return true;
|
||||
t[k] = v; if (subsMap[k]) { subsMap[k].forEach(cb => updateQueue.add(cb)); if (!isScheduled) { isScheduled = true; queueMicrotask(processQueue); } }
|
||||
export const reactive = (targetObject) => {
|
||||
if (reactiveCache.has(targetObject)) return reactiveCache.get(targetObject);
|
||||
const subscribersMap = {};
|
||||
const proxy = new Proxy(targetObject, {
|
||||
get(target, key) {
|
||||
track(subscribersMap[key] ??= new Set());
|
||||
const value = target[key];
|
||||
return (value && typeof value === 'object') ? reactive(value) : value;
|
||||
},
|
||||
set(target, key, value) {
|
||||
if (target[key] === value) return true;
|
||||
target[key] = value;
|
||||
if (subscribersMap[key]) {
|
||||
subscribersMap[key].forEach(callback => updateQueue.add(callback));
|
||||
if (!isScheduled) { isScheduled = true; queueMicrotask(processQueue); }
|
||||
}
|
||||
return true;
|
||||
}
|
||||
});
|
||||
reactiveCache.set(obj, proxy); return proxy;
|
||||
};
|
||||
reactiveCache.set(targetObject, proxy);
|
||||
return proxy;
|
||||
}
|
||||
|
||||
export const watch = (src, cb) => {
|
||||
let first = true, old;
|
||||
export const watch = (source, callback) => {
|
||||
let isFirstRun = true, oldValue;
|
||||
return effect(() => {
|
||||
const val = isFunction(src) ? src() : src.value;
|
||||
if (!first) untrack(() => cb(val, old)); else first = false;
|
||||
old = val;
|
||||
const newValue = isFunction(source) ? source() : source.value;
|
||||
if (!isFirstRun) untrack(() => callback(newValue, oldValue));
|
||||
else isFirstRun = false;
|
||||
oldValue = newValue;
|
||||
});
|
||||
};
|
||||
}
|
||||
|
||||
// --- Rendering System ---
|
||||
let currentContext = null;
|
||||
export const onMount = (fn) => currentContext?.mountHooks.push(fn);
|
||||
export const onUnmount = (fn) => currentContext?.unmountHooks.push(fn);
|
||||
export const provide = (k, v) => currentContext && (currentContext.providers[k] = v);
|
||||
export const inject = (k, dft) => currentContext && (k in currentContext.providers ? currentContext.providers[k] : dft);
|
||||
export const provide = (key, value) => currentContext && (currentContext.providers[key] = value);
|
||||
export const inject = (key, defaultValue) => currentContext && (key in currentContext.providers ? currentContext.providers[key] : defaultValue);
|
||||
|
||||
const remove = (node) => {
|
||||
if (Array.isArray(node)) return node.forEach(remove);
|
||||
node.$stopEffect?.(); if (node.$context) node.$context.unmountHooks.forEach(h => h());
|
||||
const done = () => node.remove();
|
||||
node.$leave ? node.$leave(done) : done();
|
||||
};
|
||||
node.$stopEffect?.();
|
||||
if (node.$context) node.$context.unmountHooks.forEach(hook => hook());
|
||||
const finalize = () => node.remove();
|
||||
node.$leaveTransition ? node.$leaveTransition(finalize) : finalize();
|
||||
}
|
||||
|
||||
const render = (fn, ...data) => {
|
||||
let node; const stop = effect(() => { node = fn(...data); if (isFunction(node)) node = node(); }, true);
|
||||
if (node) node.$stopEffect = stop; return node;
|
||||
};
|
||||
const render = (renderFn, ...data) => {
|
||||
let node;
|
||||
const stop = effect(() => {
|
||||
node = renderFn(...data);
|
||||
if (isFunction(node)) node = node();
|
||||
}, true);
|
||||
if (node) node.$stopEffect = stop;
|
||||
return node;
|
||||
}
|
||||
|
||||
export const h = (tag, props = {}, ...children) => {
|
||||
children = children.flat(Infinity);
|
||||
|
||||
if (isFunction(tag)) {
|
||||
const prev = currentContext;
|
||||
currentContext = { mountHooks: [], unmountHooks: [], providers: { ...(prev?.providers || {}) } };
|
||||
const ctx = currentContext; let el;
|
||||
const previousContext = currentContext;
|
||||
currentContext = { mountHooks: [], unmountHooks: [], providers: { ...(previousContext?.providers || {}) } };
|
||||
const localContext = currentContext;
|
||||
let element;
|
||||
const stop = effect(() => {
|
||||
el = tag(props, { children, emit: (e, ...a) => props[`on${e[0].toUpperCase()}${e.slice(1)}`]?.(...a) });
|
||||
return () => ctx.unmountHooks.forEach(h => h());
|
||||
element = tag(props, {
|
||||
children,
|
||||
emit: (event, ...args) => props[`on${event[0].toUpperCase()}${event.slice(1)}`]?.(...args)
|
||||
});
|
||||
return () => localContext.unmountHooks.forEach(hook => hook());
|
||||
}, true);
|
||||
const out = isNode(el) ? el : document.createTextNode(String(el));
|
||||
out.$context = ctx; out.$stopEffect = stop; currentContext = prev; return out;
|
||||
|
||||
const output = isNode(element) ? element : document.createTextNode(String(element));
|
||||
output.$context = localContext;
|
||||
output.$stopEffect = stop;
|
||||
currentContext = previousContext;
|
||||
return output;
|
||||
}
|
||||
|
||||
if (!tag) return children;
|
||||
const el = ['svg', 'path', 'circle'].includes(tag) ? document.createElementNS("http://www.w3.org/2000/svg", tag) : document.createElement(tag);
|
||||
for (const k in props) {
|
||||
if (k.startsWith('on')) el.addEventListener(k.slice(2).toLowerCase(), props[k]);
|
||||
else if (k === "ref") isFunction(props[k]) ? props[k](el) : props[k].value = el;
|
||||
else if (isFunction(props[k])) effect(() => el[k] = props[k]());
|
||||
else el[k] = props[k];
|
||||
|
||||
const isSvg = ['svg', 'path', 'circle'].includes(tag);
|
||||
const element = isSvg
|
||||
? document.createElementNS("http://www.w3.org/2000/svg", tag)
|
||||
: document.createElement(tag);
|
||||
|
||||
for (const key in props) {
|
||||
if (key.startsWith('on')) element.addEventListener(key.slice(2).toLowerCase(), props[key]);
|
||||
else if (key === "ref") isFunction(props[key]) ? props[key](element) : props[key].value = element;
|
||||
else if (isFunction(props[key])) effect(() => element[key] = props[key]());
|
||||
else element[key] = props[key];
|
||||
}
|
||||
|
||||
children.forEach(child => append(element, child));
|
||||
return element;
|
||||
}
|
||||
children.forEach(c => append(el, c)); return el;
|
||||
};
|
||||
|
||||
const append = (parent, child) => {
|
||||
if (child == null) return;
|
||||
if (isFunction(child)) {
|
||||
const anchor = document.createTextNode(''); parent.appendChild(anchor);
|
||||
let nodes = [];
|
||||
const anchor = document.createTextNode('');
|
||||
parent.appendChild(anchor);
|
||||
let currentNodes = [];
|
||||
effect(() => {
|
||||
const raw = [child()].flat(Infinity).filter(n => n != null);
|
||||
const next = raw.map(n => isNode(n) ? n : document.createTextNode(String(n)));
|
||||
nodes.forEach(n => { if (!next.includes(n)) remove(n); });
|
||||
next.forEach((n, i) => { if (!nodes.includes(n)) { parent.insertBefore(n, next[i+1] || anchor); if (n.$context) n.$context.mountHooks.forEach(h => h()); } });
|
||||
nodes = next;
|
||||
const rawChildren = [child()].flat(Infinity).filter(node => node != null);
|
||||
const nextNodes = rawChildren.map(node => isNode(node) ? node : document.createTextNode(String(node)));
|
||||
currentNodes.forEach(node => { if (!nextNodes.includes(node)) remove(node); });
|
||||
nextNodes.forEach((node, index) => {
|
||||
if (!currentNodes.includes(node)) {
|
||||
parent.insertBefore(node, nextNodes[index + 1] || anchor);
|
||||
if (node.$context) node.$context.mountHooks.forEach(hook => hook());
|
||||
}
|
||||
});
|
||||
currentNodes = nextNodes;
|
||||
}, true);
|
||||
} else parent.appendChild(isNode(child) ? child : document.createTextNode(String(child)));
|
||||
};
|
||||
} else {
|
||||
parent.appendChild(isNode(child) ? child : document.createTextNode(String(child)));
|
||||
}
|
||||
}
|
||||
|
||||
// --- Components & Router ---
|
||||
export const If = (cond, renderFn, fallback = null) => {
|
||||
let cached, current;
|
||||
// --- Control Flow & Built-in Components ---
|
||||
export const If = (condition, renderFn, fallback = null) => {
|
||||
let cachedNode, currentCondition;
|
||||
return () => {
|
||||
const show = !!cond();
|
||||
if (show !== current) { if (cached) remove(cached); cached = show ? render(renderFn) : (isFunction(fallback) ? render(fallback) : fallback); current = show; }
|
||||
return cached;
|
||||
};
|
||||
};
|
||||
const show = !!condition();
|
||||
if (show !== currentCondition) {
|
||||
if (cachedNode) remove(cachedNode);
|
||||
cachedNode = show ? render(renderFn) : (isFunction(fallback) ? render(fallback) : fallback);
|
||||
currentCondition = show;
|
||||
}
|
||||
return cachedNode;
|
||||
}
|
||||
}
|
||||
|
||||
export const For = (list, keyFn, renderFn) => {
|
||||
let cache = new Map();
|
||||
let nodeCache = new Map();
|
||||
return () => {
|
||||
const next = new Map(), items = isFunction(list) ? list() : (list.value || list);
|
||||
const res = items.map((item, i) => {
|
||||
const id = isFunction(keyFn) ? keyFn(item, i) : (keyFn ? item[keyFn] : item);
|
||||
let node = cache.get(id) || render(renderFn, item, i);
|
||||
next.set(id, node); return node;
|
||||
const nextCache = new Map();
|
||||
const items = isFunction(list) ? list() : (list.value || list);
|
||||
const results = items.map((item, index) => {
|
||||
const id = isFunction(keyFn) ? keyFn(item, index) : (keyFn ? item[keyFn] : item);
|
||||
let node = nodeCache.get(id);
|
||||
if (!node) node = render(renderFn, item, index);
|
||||
nextCache.set(id, node);
|
||||
return node;
|
||||
});
|
||||
cache.forEach((n, id) => { if (!next.has(id)) remove(n); }); cache = next; return res;
|
||||
};
|
||||
};
|
||||
nodeCache.forEach((node, id) => { if (!nextCache.has(id)) remove(node); });
|
||||
nodeCache = nextCache;
|
||||
return results;
|
||||
}
|
||||
}
|
||||
|
||||
export const Component = ({ is, ...props }, { children }) => () => h(isFunction(is) ? is() : is, props, children);
|
||||
|
||||
export const Transition = ({ enter, idle, leave }, { children: [child] }) => {
|
||||
const decorate = (element) => {
|
||||
if (!isNode(element)) return element;
|
||||
const addClasses = css => css && element.classList.add(...css.split(' '));
|
||||
const removeClasses = css => css && element.classList.remove(...css.split(' '));
|
||||
|
||||
if (enter) {
|
||||
requestAnimationFrame(() => {
|
||||
addClasses(enter[1]);
|
||||
requestAnimationFrame(() => {
|
||||
addClasses(enter[0]); removeClasses(enter[1]); addClasses(enter[2]);
|
||||
element.addEventListener('transitionend', () => {
|
||||
removeClasses(enter[2]); removeClasses(enter[0]); addClasses(idle);
|
||||
}, { once: true });
|
||||
});
|
||||
});
|
||||
}
|
||||
if (leave) {
|
||||
element.$leaveTransition = (done) => {
|
||||
removeClasses(idle); addClasses(leave[1]);
|
||||
requestAnimationFrame(() => {
|
||||
addClasses(leave[0]); removeClasses(leave[1]); addClasses(leave[2]);
|
||||
element.addEventListener('transitionend', () => {
|
||||
removeClasses(leave[2]); removeClasses(leave[0]); done();
|
||||
}, { once: true });
|
||||
});
|
||||
}
|
||||
}
|
||||
return element;
|
||||
}
|
||||
return isFunction(child) ? () => decorate(child()) : decorate(child);
|
||||
}
|
||||
|
||||
// --- Routing & Application Entry ---
|
||||
export const Router = (routes) => {
|
||||
const path = signal(window.location.hash.slice(1) || '/');
|
||||
window.onhashchange = () => path.value = window.location.hash.slice(1) || '/';
|
||||
const currentPath = signal(window.location.hash.slice(1) || '/');
|
||||
window.onhashchange = () => currentPath.value = window.location.hash.slice(1) || '/';
|
||||
return h('div', { class: 'router-view' }, () => {
|
||||
const cur = path.value;
|
||||
for (const r of routes) {
|
||||
const match = cur.match(new RegExp(`^${r.path.replace(/:[^\s/]+/g, '([^/]+)')}$`));
|
||||
const pathValue = currentPath.value;
|
||||
for (const route of routes) {
|
||||
const pattern = new RegExp(`^${route.path.replace(/:[^\s/]+/g, '([^/]+)')}$`);
|
||||
const match = pathValue.match(pattern);
|
||||
if (match) {
|
||||
const params = {}; (r.path.match(/:[^\s/]+/g) || []).forEach((k, i) => params[k.slice(1)] = match[i+1]);
|
||||
return h(r.component, { params, path: cur });
|
||||
const params = {};
|
||||
const keys = route.path.match(/:[^\s/]+/g) || [];
|
||||
keys.forEach((key, index) => params[key.slice(1)] = match[index + 1]);
|
||||
return h(route.component, { params, path: pathValue });
|
||||
}
|
||||
}
|
||||
const fbk = routes.find(r => r.path === '*'); return fbk ? h(fbk.component) : '404';
|
||||
const fallback = routes.find(r => r.path === '*');
|
||||
return fallback ? h(fallback.component) : '404';
|
||||
});
|
||||
};
|
||||
|
||||
export const Transition = ({ enter: e, idle, leave: l }, { children: [c] }) => {
|
||||
const decorate = (el) => {
|
||||
if (!isNode(el)) return el;
|
||||
const cls = (css, add = true) => css && el.classList[add ? 'add' : 'remove'](...css.split(' '));
|
||||
if (e) {
|
||||
cls(e[1]);
|
||||
requestAnimationFrame(() => {
|
||||
cls(e[0]); cls(e[2]); cls(e[1], false);
|
||||
el.addEventListener('transitionend', () => { cls(e[2], false); cls(e[0], false); cls(idle); }, { once: true });
|
||||
});
|
||||
export const mount = (rootComponent, target, props = {}) => {
|
||||
const destination = typeof target === 'string' ? document.querySelector(target) : target;
|
||||
if (!destination) return;
|
||||
|
||||
while (destination.firstChild) remove(destination.firstChild);
|
||||
|
||||
const element = h(rootComponent, props);
|
||||
destination.appendChild(element);
|
||||
|
||||
if (element.$context) {
|
||||
element.$context.mountHooks.forEach(hook => hook());
|
||||
element.$context.mountHooks.length = 0;
|
||||
}
|
||||
if (l) el.$leave = (done) => {
|
||||
cls(idle, false); cls(l[1]);
|
||||
requestAnimationFrame(() => {
|
||||
cls(l[0]); cls(l[2]); cls(l[1], false);
|
||||
el.addEventListener('transitionend', () => { cls(l[2], false); cls(l[0], false); done(); }, { once: true });
|
||||
});
|
||||
};
|
||||
return el;
|
||||
};
|
||||
return isFunction(c) ? () => decorate(c()) : decorate(c);
|
||||
|
||||
return () => remove(element);
|
||||
};
|
||||
|
||||
export const mount = (root, target, props = {}) => {
|
||||
const dest = typeof target === 'string' ? document.querySelector(target) : target;
|
||||
if (!dest) return;
|
||||
while (dest.firstChild) remove(dest.firstChild);
|
||||
const el = h(root, props); dest.appendChild(el);
|
||||
if (el.$context) { el.$context.mountHooks.forEach(h => h()); el.$context.mountHooks.length = 0; }
|
||||
return () => remove(el);
|
||||
};
|
||||
export default (target, rootComponent, props) => {
|
||||
const element = h(rootComponent, props);
|
||||
target.appendChild(element);
|
||||
if (element.$context) element.$context.mountHooks.forEach(hook => hook());
|
||||
return () => remove(element);
|
||||
}
|
||||
Reference in New Issue
Block a user