Files
sigpro/sigpro.js
2026-04-17 08:07:50 +02:00

553 lines
16 KiB
JavaScript

// sigpro 1.2.13
const isFunc = f => typeof f === "function"
const isObj = o => o && typeof o === "object"
const isArr = Array.isArray
const doc = typeof document !== "undefined" ? document : null
const ensureNode = n => n?._isRuntime ? n.container : (n instanceof Node ? n : doc.createTextNode(n == null ? "" : String(n)))
let activeEffect = null
let activeOwner = null
let isFlushing = false
let batchDepth = 0
const effectQueue = new Set()
const proxyCache = new WeakMap()
const ITER = Symbol('iter')
const MOUNTED_NODES = new WeakMap()
const dispose = eff => {
if (!eff || eff._disposed) return
eff._disposed = true
const stack = [eff]
while (stack.length) {
const e = stack.pop()
if (e._cleanups) {
e._cleanups.forEach(fn => fn())
e._cleanups.clear()
}
if (e._children) {
e._children.forEach(child => stack.push(child))
e._children.clear()
}
if (e._deps) {
e._deps.forEach(depSet => depSet.delete(e))
e._deps.clear()
}
}
}
const onMount = fn => {
if (activeOwner) (activeOwner._mounts ||= []).push(fn)
}
const onUnmount = fn => {
if (activeOwner) (activeOwner._cleanups ||= new Set()).add(fn)
}
const untrack = fn => {
const p = activeEffect
activeEffect = null
try { return fn() } finally { activeEffect = p }
}
const createEffect = (fn, isComputed = false) => {
const effect = () => {
if (effect._disposed) return
if (effect._deps) effect._deps.forEach(s => s.delete(effect))
if (effect._cleanups) {
effect._cleanups.forEach(c => c())
effect._cleanups.clear()
}
const prevEffect = activeEffect
const prevOwner = activeOwner
activeEffect = activeOwner = effect
try {
return effect._result = fn()
} catch (e) {
console.error("[SigPro]", e)
} finally {
activeEffect = prevEffect
activeOwner = prevOwner
}
}
effect._deps = effect._cleanups = effect._children = null
effect._disposed = false
effect._isComputed = isComputed
effect._depth = activeEffect ? activeEffect._depth + 1 : 0
effect._mounts = []
effect._parent = activeOwner
if (activeOwner) (activeOwner._children ||= new Set()).add(effect)
return effect
}
const flush = () => {
if (isFlushing) return
isFlushing = true
const sorted = Array.from(effectQueue).sort((a, b) => a._depth - b._depth)
effectQueue.clear()
for (const e of sorted) if (!e._disposed) e()
isFlushing = false
}
const Batch = fn => {
batchDepth++
try {
return fn()
} finally {
batchDepth--
if (batchDepth === 0 && effectQueue.size > 0 && !isFlushing) {
flush()
}
}
}
const trackUpdate = (subs, trigger = false) => {
if (!trigger && activeEffect && !activeEffect._disposed) {
subs.add(activeEffect)
; (activeEffect._deps ||= new Set()).add(subs)
} else if (trigger && subs.size > 0) {
let hasQueue = false
for (const e of subs) {
if (e === activeEffect || e._disposed) continue
if (e._isComputed) {
e._dirty = true
if (e._subs) trackUpdate(e._subs, true)
} else {
effectQueue.add(e)
hasQueue = true
}
}
if (hasQueue && !isFlushing && batchDepth === 0) queueMicrotask(flush)
}
}
const $ = (val, key = null) => {
const subs = new Set()
if (isFunc(val)) {
let cache
const computed = () => {
if (computed._dirty) {
const prev = activeEffect
activeEffect = computed
try {
const next = val()
if (!Object.is(cache, next)) {
cache = next
trackUpdate(subs, true)
}
} finally {
activeEffect = prev
}
computed._dirty = false
}
trackUpdate(subs)
return cache
}
computed._isComputed = true
computed._subs = subs
computed._dirty = true
computed._deps = null
computed._disposed = false
computed.stop = () => { }
if (activeOwner) onUnmount(computed.stop)
return computed
}
if (key) try { val = JSON.parse(localStorage.getItem(key)) ?? val } catch (e) { }
return (...args) => {
if (args.length) {
const next = isFunc(args[0]) ? args[0](val) : args[0]
if (!Object.is(val, next)) {
val = next
if (key) localStorage.setItem(key, JSON.stringify(val))
trackUpdate(subs, true)
}
}
trackUpdate(subs)
return val
}
}
const $$ = (target) => {
if (!isObj(target)) return target
let proxy = proxyCache.get(target)
if (proxy) return proxy
const subsMap = new Map()
const getSubs = (k) => {
let s = subsMap.get(k)
if (!s) subsMap.set(k, (s = new Set()))
return s
}
proxy = new Proxy(target, {
get(t, k, receiver) {
if (typeof k !== 'symbol') trackUpdate(getSubs(k))
return $$(Reflect.get(t, k, receiver))
},
set(t, k, v, receiver) {
const isNew = !Reflect.has(t, k)
const oldV = Reflect.get(t, k, receiver)
const result = Reflect.set(t, k, v, receiver)
if (result && !Object.is(oldV, v)) {
trackUpdate(getSubs(k), true)
if (isNew) trackUpdate(getSubs(ITER), true)
}
return result
},
deleteProperty(t, k) {
const result = Reflect.deleteProperty(t, k)
if (result) {
trackUpdate(getSubs(k), true)
trackUpdate(getSubs(ITER), true)
}
return result
},
ownKeys(t) {
trackUpdate(getSubs(ITER))
return Reflect.ownKeys(t)
}
})
proxyCache.set(target, proxy)
return proxy
}
const Watch = (sources, cb) => {
if (cb === undefined) {
const effect = createEffect(sources)
effect()
return () => dispose(effect)
}
const effect = createEffect(() => {
const vals = Array.isArray(sources) ? sources.map(s => s()) : sources()
untrack(() => cb(vals))
})
effect()
return () => dispose(effect)
}
const cleanupNode = node => {
if (node._cleanups) {
node._cleanups.forEach(fn => fn())
node._cleanups.clear()
}
if (node._ownerEffect) dispose(node._ownerEffect)
if (node.childNodes) node.childNodes.forEach(cleanupNode)
}
const DANGEROUS_PROTOCOL = /^\s*(javascript|data|vbscript):/i
const isDangerousAttr = key => key === 'src' || key === 'href' || key.startsWith('on')
const validateAttr = (key, val) => {
if (val == null || val === false) return null
if (isDangerousAttr(key)) {
const sVal = String(val)
if (DANGEROUS_PROTOCOL.test(sVal)) {
console.warn(`[SigPro] Bloqueado protocolo peligroso en ${key}`)
return '#'
}
}
return val
}
const Tag = (tag, props = {}, children = []) => {
if (props instanceof Node || isArr(props) || !isObj(props)) {
children = props
props = {}
}
if (isFunc(tag)) {
const ctx = { _mounts: [], _cleanups: new Set() }
const effect = createEffect(() => {
const result = tag(props, {
children,
emit: (ev, ...args) => props[`on${ev[0].toUpperCase()}${ev.slice(1)}`]?.(...args)
})
effect._result = result
return result
})
effect()
const result = effect._result
if (result == null) return null
const node = (result instanceof Node || (isArr(result) && result.every(n => n instanceof Node)))
? result
: doc.createTextNode(String(result))
const attach = n => {
if (isObj(n) && !n._isRuntime) {
n._mounts = effect._mounts || []
n._cleanups = effect._cleanups || new Set()
n._ownerEffect = effect
}
}
isArr(node) ? node.forEach(attach) : attach(node)
return node
}
const isSVG = /^(svg|path|circle|rect|line|poly(line|gon)|g|defs|text(path)?|tspan|use|symbol|image|marker|ellipse)$/i.test(tag);
const el = isSVG ? doc.createElementNS("http://www.w3.org/2000/svg", tag) : doc.createElement(tag)
el._cleanups = new Set()
for (let k in props) {
if (!props.hasOwnProperty(k)) continue
let v = props[k]
if (k === "ref") {
isFunc(v) ? v(el) : (v.current = el)
continue
}
if (isSVG && k.startsWith("xlink:")) {
const ns = "http://www.w3.org/1999/xlink"
val == null ? el.removeAttributeNS(ns, k.slice(6)) : el.setAttributeNS(ns, k.slice(6), val)
continue
}
if (k.startsWith("on")) {
const ev = k.slice(2).toLowerCase()
el.addEventListener(ev, v)
const off = () => el.removeEventListener(ev, v)
el._cleanups.add(off)
onUnmount(off)
} else if (isFunc(v)) {
const effect = createEffect(() => {
const val = validateAttr(k, v())
if (k === "class") el.className = val || ""
else if (val == null) el.removeAttribute(k)
else if (k in el && !isSVG) el[k] = val
else el.setAttribute(k, val === true ? "" : val)
})
effect()
el._cleanups.add(() => dispose(effect))
onUnmount(() => dispose(effect))
if (/^(INPUT|TEXTAREA|SELECT)$/.test(el.tagName) && (k === "value" || k === "checked")) {
const evType = k === "checked" ? "change" : "input"
el.addEventListener(evType, ev => v(ev.target[k]))
}
} else {
const val = validateAttr(k, v)
if (val != null) {
if (k in el && !isSVG) el[k] = val
else el.setAttribute(k, val === true ? "" : val)
}
}
}
const append = c => {
if (isArr(c)) return c.forEach(append)
if (isFunc(c)) {
const anchor = doc.createTextNode("")
el.appendChild(anchor)
let currentNodes = []
const effect = createEffect(() => {
const res = c()
const next = (isArr(res) ? res : [res]).map(ensureNode)
currentNodes.forEach(n => {
if (n._isRuntime) n.destroy()
else cleanupNode(n)
if (n.parentNode) n.remove()
})
let ref = anchor
for (let i = next.length - 1; i >= 0; i--) {
const node = next[i]
if (node.parentNode !== ref.parentNode) ref.parentNode?.insertBefore(node, ref)
if (node._mounts) node._mounts.forEach(fn => fn())
ref = node
}
currentNodes = next
})
effect()
el._cleanups.add(() => dispose(effect))
onUnmount(() => dispose(effect))
} else {
const node = ensureNode(c)
el.appendChild(node)
if (node._mounts) node._mounts.forEach(fn => fn())
}
}
append(children)
return el
}
const Render = renderFn => {
const cleanups = new Set()
const mounts = []
const previousOwner = activeOwner
const previousEffect = activeEffect
const container = doc.createElement("div")
container.style.display = "contents"
container.setAttribute("role", "presentation")
activeOwner = { _cleanups: cleanups, _mounts: mounts }
activeEffect = null
const processResult = result => {
if (!result) return
if (result._isRuntime) {
cleanups.add(result.destroy)
container.appendChild(result.container)
} else if (isArr(result)) {
result.forEach(processResult)
} else {
container.appendChild(result instanceof Node ? result : doc.createTextNode(String(result == null ? "" : result)))
}
}
try {
processResult(renderFn({ onCleanup: fn => cleanups.add(fn) }))
} finally {
activeOwner = previousOwner
activeEffect = previousEffect
}
mounts.forEach(fn => fn())
return {
_isRuntime: true,
container,
destroy: () => {
cleanups.forEach(fn => fn())
cleanupNode(container)
container.remove()
}
}
}
const If = (cond, ifYes, ifNot = null) => {
const anchor = doc.createTextNode("")
const root = Tag("div", { style: "display:contents" }, [anchor])
let currentView = null
Watch(
() => !!(isFunc(cond) ? cond() : cond),
show => {
if (currentView) {
currentView.destroy()
currentView = null
}
const content = show ? ifYes : ifNot
if (content) {
currentView = Render(() => isFunc(content) ? content() : content)
root.insertBefore(currentView.container, anchor)
}
}
)
onUnmount(() => currentView?.destroy())
return root
}
const For = (src, itemFn, keyFn) => {
const anchor = doc.createTextNode("")
const root = Tag("div", { style: "display:contents" }, [anchor])
let cache = new Map()
Watch(() => (isFunc(src) ? src() : src) || [], items => {
const nextCache = new Map()
const nextOrder = []
const newItems = items || []
for (let i = 0; i < newItems.length; i++) {
const item = newItems[i]
const key = keyFn ? keyFn(item, i) : (item?.id ?? i)
let view = cache.get(key)
if (!view) view = Render(() => itemFn(item, i))
else cache.delete(key)
nextCache.set(key, view)
nextOrder.push(view)
}
cache.forEach(view => view.destroy())
let lastRef = anchor
for (let i = nextOrder.length - 1; i >= 0; i--) {
const view = nextOrder[i]
const node = view.container
if (node.nextSibling !== lastRef) root.insertBefore(node, lastRef)
lastRef = node
}
cache = nextCache
})
return root
}
const Router = routes => {
const getHash = () => window.location.hash.slice(1) || "/"
const path = $(getHash())
const handler = () => path(getHash())
window.addEventListener("hashchange", handler)
onUnmount(() => window.removeEventListener("hashchange", handler))
const hook = Tag("div", { class: "router-hook" })
let currentView = null
Watch([path], () => {
const cur = path()
const route = routes.find(r => {
const p1 = r.path.split("/").filter(Boolean)
const p2 = cur.split("/").filter(Boolean)
return p1.length === p2.length && p1.every((p, i) => p[0] === ":" || p === p2[i])
}) || routes.find(r => r.path === "*")
if (route) {
currentView?.destroy()
const params = {}
route.path.split("/").filter(Boolean).forEach((p, i) => {
if (p[0] === ":") params[p.slice(1)] = cur.split("/").filter(Boolean)[i]
})
Router.params(params)
currentView = Render(() => isFunc(route.component) ? route.component(params) : route.component)
hook.replaceChildren(currentView.container)
}
})
return hook
}
Router.params = $({})
Router.to = p => window.location.hash = p.replace(/^#?\/?/, "#/")
Router.back = () => window.history.back()
Router.path = () => window.location.hash.replace(/^#/, "") || "/"
const Anim = (show, render, { enter, leave } = {}) => {
const wrap = Tag('div', { style: 'display:contents' })
let view = null
const wait = (el, cb) => {
let done = false
const finish = () => !done && (done = true, cb())
if (!el) return finish()
'transitionend animationend'.split(' ').map(e => el.addEventListener(e, finish, { once: true }))
setTimeout(finish, 500)
}
Watch(show, on => {
if (on && !view) {
const el = (view = Render(render)).container.firstChild
wrap.appendChild(view.container)
if (enter && el) {
el.classList.add(enter); el.clientTop
el.classList.add(enter + '-active')
wait(el, () => el.classList.remove(enter, enter + '-active'))
}
} else if (!on && view) {
const el = view.container.firstChild
const del = () => (view?.destroy(), view = null)
leave && el ? (el.classList.add(leave), wait(el, del)) : del()
}
})
return onUnmount(() => view?.destroy()), wrap
}
const Mount = (comp, target) => {
const t = typeof target === "string" ? doc.querySelector(target) : target
if (!t) return
if (MOUNTED_NODES.has(t)) MOUNTED_NODES.get(t).destroy()
const inst = Render(isFunc(comp) ? comp : () => comp)
t.replaceChildren(inst.container)
MOUNTED_NODES.set(t, inst)
return inst
}
const SigPro = Object.freeze({ $, $$, Watch, Tag, If, For, Router, Mount, onMount, onUnmount, Anim, Batch })
if (typeof window !== "undefined") {
Object.assign(window, SigPro)
"div span p h1 h2 h3 h4 h5 h6 br hr section article aside nav main header footer ul ol li dl dt dd a em strong pre code small sub sup b i u mark blockquote cite abbr time del ins kbd var form label input textarea select button option optgroup fieldset legend datalist output progress meter details summary dialog img svg video audio canvas figure figcaption picture source table thead tbody tfoot tr th td caption colgroup col iframe object embed template slot"
.split(" ").forEach(t => {
const name = t[0].toUpperCase() + t.slice(1)
window[name] = (p, c) => Tag(t, p, c)
})
}
export { $, $$, Watch, Tag, If, For, Router, Mount, onMount, onUnmount, Anim, Batch }