Actualizar sigpro.ts

This commit is contained in:
2026-04-07 14:37:24 +02:00
parent e6ab0a2052
commit 040dfffe8a

400
sigpro.ts
View File

@@ -13,6 +13,33 @@ type Signal<T> = {
type CleanupFn = () => void;
const DANGEROUS_PROTOCOLS = /^(javascript|data|vbscript):/i;
const DANGEROUS_ATTRIBUTES = /^on/i;
const sanitizeUrl = (url: unknown): string => {
const str = String(url ?? '').trim().toLowerCase();
if (DANGEROUS_PROTOCOLS.test(str)) return '#';
return str;
};
const sanitizeAttribute = (name: string, value: unknown): string | null => {
if (value == null) return null;
const strValue = String(value);
if (DANGEROUS_ATTRIBUTES.test(name)) {
console.warn(`[SigPro] XSS prevention: blocked attribute "${name}"`);
return null;
}
if (name === 'src' || name === 'href') {
return sanitizeUrl(strValue);
}
return strValue;
};
let activeEffect: EffectFn | null = null;
let isScheduled = false;
const queue = new Set<EffectFn>();
@@ -44,7 +71,7 @@ const depend = (subs: Set<EffectFn>): void => {
export const effect = (fn: () => any, isScope: boolean = false): CleanupFn => {
let cleanup: CleanupFn | null = null;
const run = () => {
if (run.d) return;
const prev = activeEffect;
@@ -53,7 +80,7 @@ export const effect = (fn: () => any, isScope: boolean = false): CleanupFn => {
if (typeof result === 'function') cleanup = result;
activeEffect = prev;
};
const stop = () => {
if (run.d) return;
run.d = true;
@@ -62,14 +89,14 @@ export const effect = (fn: () => any, isScope: boolean = false): CleanupFn => {
cleanup?.();
run.c?.forEach(f => f());
};
run.e = new Set();
run.d = false;
if (isScope) run.c = [];
run();
activeEffect?.c?.push(stop);
return stop;
};
@@ -85,24 +112,24 @@ export function $<T>(initial: T, storageKey?: string): Signal<T>;
export function $<T>(fn: () => T, storageKey?: string): Signal<T>;
export function $<T>(initial: T | (() => T), storageKey?: string): Signal<T> {
const isComputed = typeof initial === 'function';
if (!isComputed) {
let value = initial as T;
const subs = new Set<EffectFn>();
if (storageKey) {
try {
const saved = localStorage.getItem(storageKey);
if (saved !== null) value = JSON.parse(saved);
} catch { }
}
const signalFn = ((...args: [] | [T | ((prev: T) => T)]) => {
if (args.length === 0) {
return value;
}
const next = typeof args[0] === 'function'
? (args[0] as (prev: T) => T)(value)
const next = typeof args[0] === 'function'
? (args[0] as (prev: T) => T)(value)
: args[0];
if (Object.is(value, next)) return value;
value = next;
@@ -114,20 +141,20 @@ export function $<T>(initial: T | (() => T), storageKey?: string): Signal<T> {
subs.forEach(fn => schedule(fn));
return value;
}) as Signal<T>;
signalFn.react = () => {
depend(subs);
return value;
};
return signalFn;
}
let cached: T;
let dirty = true;
const subs = new Set<EffectFn>();
const fn = initial as () => T;
effect(() => {
const newValue = fn();
if (!Object.is(cached, newValue) || dirty) {
@@ -136,16 +163,16 @@ export function $<T>(initial: T | (() => T), storageKey?: string): Signal<T> {
subs.forEach(fn => schedule(fn));
}
});
const computedFn = (() => {
return cached;
}) as Signal<T>;
computedFn.react = () => {
depend(subs);
return cached;
};
return computedFn;
}
@@ -159,7 +186,7 @@ export const watch = <T>(
): CleanupFn => {
let first = true;
let oldValue: T;
return effect(() => {
const newValue = source();
if (!first) {
@@ -177,9 +204,9 @@ export function $$<T extends object>(obj: T): T {
if (reactiveCache.has(obj)) {
return reactiveCache.get(obj) as T;
}
const subs: Record<string | symbol, Set<EffectFn>> = {};
const proxy = new Proxy(obj, {
get(target, key: string | symbol, receiver) {
const subsForKey = subs[key] ??= new Set();
@@ -200,7 +227,7 @@ export function $$<T extends object>(obj: T): T {
return success;
}
});
reactiveCache.set(obj, proxy);
return proxy;
}
@@ -230,6 +257,65 @@ export const use = (key: string | symbol, defaultValue?: any): any => {
return defaultValue;
};
export function createContext<T>(defaultValue?: T): {
Provider: (props: { value: T; children?: any }) => any;
use: () => T;
} {
const key = Symbol('context');
const useContext = (): T => {
// Buscar en el stack de contextos
let current = context;
while (current) {
if (key in current.p) {
return current.p[key] as T;
}
// Subir al contexto padre (si existiera)
current = null; // Por ahora, solo contexto actual
}
if (defaultValue !== undefined) return defaultValue;
throw new Error(`Context not found: ${String(key)}`);
};
const Provider = ({ value, children }: { value: T; children?: any }) => {
// Guardar contexto anterior
const prevContext = context;
// Crear nuevo contexto o extender el existente
if (!context) {
context = { m: [], u: [], p: {} };
}
// Guardar valor
context.p[key] = value;
// Renderizar hijos
const result = h('div', { style: 'display: contents' }, children);
// Restaurar contexto anterior
context = prevContext;
return result;
};
return { Provider, use: useContext };
}
export function createSharedContext<T>(key: string | symbol, initialValue: T): {
set: (value: T) => void;
get: () => T;
} {
// Inicializar si estamos en un componente
if (context && !(key in context.p)) {
share(key, initialValue);
}
return {
set: (value: T) => share(key, value),
get: () => use(key) as T
};
}
type Component<P = Record<string, any>> = (
props: P,
ctx: { children?: any[]; emit: (event: string, ...args: any[]) => any }
@@ -246,12 +332,12 @@ const isNode = (v: unknown): v is Node => v instanceof Node;
const append = (parent: Node, child: any): void => {
if (child === null) return;
if (isFn(child)) {
const anchor = document.createTextNode('');
parent.appendChild(anchor);
let nodes: Node[] = [];
effect(() => {
effect(() => {
const newNodes = [child()]
@@ -260,19 +346,19 @@ const append = (parent: Node, child: any): void => {
.flat(Infinity)
.filter((node: any) => node !== null)
.map((node: any) => isNode(node) ? node : document.createTextNode(String(node)));
const oldNodes = nodes.filter(node => {
const keep = newNodes.includes(node);
if (!keep) remove(node);
return keep;
});
const oldIdxs = new Map(oldNodes.map((node, i) => [node, i]));
for (let i = newNodes.length - 1, p = oldNodes.length - 1; i >= 0; i--) {
const node = newNodes[i];
const ref = newNodes[i + 1] || anchor;
if (!oldIdxs.has(node)) {
anchor.parentNode?.insertBefore(node, ref);
(node as ElementWithLifecycle).$c?.m.forEach(fn => fn());
@@ -318,35 +404,35 @@ const render = (fn: Function, ...data: any[]): Node => {
export const h = (tag: any, props?: any, ...children: any[]): any => {
props = props || {};
children = children.flat(Infinity);
if (isFn(tag)) {
const prev = context;
context = { m: [], u: [], p: { ...(prev?.p || {}) } };
let el: any;
const stop = effect(() => {
el = tag(props, {
children,
emit: (evt: string, ...args: any[]) =>
emit: (evt: string, ...args: any[]) =>
props[`on${evt[0].toUpperCase()}${evt.slice(1)}`]?.(...args),
});
return () => el.$c.u.forEach((fn: CleanupFn) => fn());
}, true);
if (isNode(el) || isFn(el)) {
el.$c = context;
el.$s = stop;
}
context = prev;
return el;
}
if (!tag) return () => children;
let el: ElementWithLifecycle;
let is_svg = false;
try {
el = document.createElement(tag);
if (el instanceof HTMLUnknownElement) {
@@ -357,7 +443,10 @@ export const h = (tag: any, props?: any, ...children: any[]): any => {
is_svg = true;
el = document.createElementNS("http://www.w3.org/2000/svg", tag);
}
// Código MEJORADO
const booleanAttributes = ["disabled", "checked", "required", "readonly", "selected", "multiple", "autofocus"];
for (const key in props) {
if (key.startsWith('on')) {
const eventName = key.slice(2).toLowerCase();
@@ -366,27 +455,41 @@ export const h = (tag: any, props?: any, ...children: any[]): any => {
if (isFn(props[key])) {
props[key](el);
} else {
props[key].value = el;
props[key].current = el;
}
} else if (isFn(props[key])) {
effect(() => {
if (key in el && !is_svg) {
(el as any)[key] = props[key]();
const val = props[key]();
if (key === 'className') {
el.setAttribute('class', String(val ?? ''));
} else if (booleanAttributes.includes(key)) {
(el as any)[key] = !!val;
val ? el.setAttribute(key, '') : el.removeAttribute(key);
} else if (key in el && !is_svg) {
(el as any)[key] = val;
} else {
el.setAttribute(key, props[key]());
const safeVal = sanitizeAttribute(key, val);
if (safeVal !== null) el.setAttribute(key, safeVal);
}
});
} else {
if (key in el && !is_svg) {
(el as any)[key] = props[key];
const value = props[key];
if (key === 'className') {
el.setAttribute('class', String(value ?? ''));
} else if (booleanAttributes.includes(key)) {
(el as any)[key] = !!value;
value ? el.setAttribute(key, '') : el.removeAttribute(key);
} else if (key in el && !is_svg) {
(el as any)[key] = value;
} else {
el.setAttribute(key, props[key]);
const safeVal = sanitizeAttribute(key, value);
if (safeVal !== null) el.setAttribute(key, safeVal);
}
}
}
children.forEach((child: any) => append(el, child));
return el;
};
@@ -397,7 +500,7 @@ export const If = (
): (() => any) => {
let cached: any;
let current: boolean | null = null;
return () => {
const show = isFn(cond) ? cond() : cond;
if (show !== current) {
@@ -414,11 +517,11 @@ export const For = <T>(
renderFn: (item: T, index: number) => any
): (() => any[]) => {
let cache = new Map<string | number, any>();
return () => {
const next = new Map();
const items = (isFn(list) ? list() : (list as any).value || list) as T[];
const nodes = items.map((item, index) => {
const idx = isFn(key) ? key(item, index) : key ? (item as any)[key] : index;
let node = cache.get(idx);
@@ -428,7 +531,7 @@ export const For = <T>(
next.set(idx, node);
return node;
});
cache = next;
return nodes;
};
@@ -448,10 +551,10 @@ export const Transition = (
): any => {
const decorate = (el: any): any => {
if (!isNode(el)) return el;
const addClass = (c?: string) => c && (el as HTMLElement).classList.add(...c.split(' '));
const removeClass = (c?: string) => c && (el as HTMLElement).classList.remove(...c.split(' '));
if (e) {
requestAnimationFrame(() => {
addClass(e[1]);
@@ -467,7 +570,7 @@ export const Transition = (
});
});
}
if (l) {
(el as ElementWithLifecycle).$l = (done: CleanupFn) => {
removeClass(idle);
@@ -484,10 +587,10 @@ export const Transition = (
});
};
}
return el;
};
if (!c) return null;
if (isFn(c)) {
return () => decorate(c());
@@ -511,17 +614,17 @@ export const Router = (routes: Route[]): RouterInstance => {
const getPath = () => window.location.hash.slice(1) || "/";
const path = $(getPath());
const params = $<Record<string, string>>({});
const matchRoute = (path: string): { component: Component; params: Record<string, string> } | null => {
for (const route of routes) {
const routeParts = route.path.split("/").filter(Boolean);
const pathParts = path.split("/").filter(Boolean);
if (routeParts.length !== pathParts.length) continue;
const matchedParams: Record<string, string> = {};
let ok = true;
for (let i = 0; i < routeParts.length; i++) {
if (routeParts[i].startsWith(":")) {
matchedParams[routeParts[i].slice(1)] = pathParts[i];
@@ -530,30 +633,30 @@ export const Router = (routes: Route[]): RouterInstance => {
break;
}
}
if (ok) return { component: route.component, params: matchedParams };
}
const wildcard = routes.find(r => r.path === "*");
if (wildcard) return { component: wildcard.component, params: {} };
return null;
};
window.addEventListener("hashchange", () => path(getPath()));
const outlet = h("div");
effect(() => {
const matched = matchRoute(path());
if (!matched) return;
params(matched.params);
while (outlet.firstChild) outlet.removeChild(outlet.firstChild);
outlet.appendChild(h(matched.component));
});
return {
view: outlet,
to: (p: string) => { window.location.hash = p; },
@@ -586,4 +689,167 @@ export default (
return () => remove(el);
};
declare global {
namespace JSX {
type Element = HTMLElement | Text | DocumentFragment | string | number | boolean | null | undefined;
interface IntrinsicElements {
// Elementos HTML
div: HTMLAttributes;
span: HTMLAttributes;
p: HTMLAttributes;
a: AnchorHTMLAttributes;
button: ButtonHTMLAttributes;
input: InputHTMLAttributes;
form: FormHTMLAttributes;
img: ImgHTMLAttributes;
ul: HTMLAttributes;
ol: HTMLAttributes;
li: HTMLAttributes;
h1: HTMLAttributes;
h2: HTMLAttributes;
h3: HTMLAttributes;
h4: HTMLAttributes;
h5: HTMLAttributes;
h6: HTMLAttributes;
section: HTMLAttributes;
article: HTMLAttributes;
header: HTMLAttributes;
footer: HTMLAttributes;
nav: HTMLAttributes;
main: HTMLAttributes;
aside: HTMLAttributes;
label: HTMLAttributes;
select: SelectHTMLAttributes;
option: OptionHTMLAttributes;
textarea: TextareaHTMLAttributes;
table: TableHTMLAttributes;
tr: HTMLAttributes;
td: HTMLAttributes;
th: HTMLAttributes;
hr: HTMLAttributes;
br: HTMLAttributes;
// SVG
svg: SVGAttributes;
path: SVGAttributes;
circle: SVGAttributes;
rect: SVGAttributes;
line: SVGAttributes;
g: SVGAttributes;
}
interface HTMLAttributes {
id?: string;
className?: string;
class?: string;
style?: string | Partial<CSSStyleDeclaration>;
children?: any;
ref?: ((el: any) => void) | { current: any };
// Eventos
onClick?: (event: MouseEvent) => void;
onInput?: (event: Event) => void;
onChange?: (event: Event) => void;
onSubmit?: (event: Event) => void;
onKeyDown?: (event: KeyboardEvent) => void;
onKeyUp?: (event: KeyboardEvent) => void;
onFocus?: (event: FocusEvent) => void;
onBlur?: (event: FocusEvent) => void;
onMouseEnter?: (event: MouseEvent) => void;
onMouseLeave?: (event: MouseEvent) => void;
// Atributos ARIA
role?: string;
'aria-label'?: string;
'aria-hidden'?: boolean | 'true' | 'false';
'aria-expanded'?: boolean | 'true' | 'false';
// Atributos comunes
tabIndex?: number;
title?: string;
draggable?: boolean;
hidden?: boolean;
}
interface AnchorHTMLAttributes extends HTMLAttributes {
href?: string;
target?: '_blank' | '_self' | '_parent' | '_top';
rel?: string;
}
interface ButtonHTMLAttributes extends HTMLAttributes {
type?: 'button' | 'submit' | 'reset';
disabled?: boolean;
}
interface InputHTMLAttributes extends HTMLAttributes {
type?: 'text' | 'password' | 'email' | 'number' | 'checkbox' | 'radio' | 'file' | 'date';
value?: string | number;
checked?: boolean;
placeholder?: string;
disabled?: boolean;
required?: boolean;
name?: string;
min?: number;
max?: number;
step?: number;
}
interface FormHTMLAttributes extends HTMLAttributes {
action?: string;
method?: 'get' | 'post';
}
interface ImgHTMLAttributes extends HTMLAttributes {
src?: string;
alt?: string;
width?: number | string;
height?: number | string;
loading?: 'lazy' | 'eager';
}
interface SelectHTMLAttributes extends HTMLAttributes {
value?: string | string[];
disabled?: boolean;
required?: boolean;
multiple?: boolean;
}
interface OptionHTMLAttributes extends HTMLAttributes {
value?: string | number;
selected?: boolean;
disabled?: boolean;
}
interface TextareaHTMLAttributes extends HTMLAttributes {
value?: string;
placeholder?: string;
disabled?: boolean;
required?: boolean;
rows?: number;
cols?: number;
}
interface TableHTMLAttributes extends HTMLAttributes {
border?: number;
cellPadding?: number | string;
cellSpacing?: number | string;
}
interface SVGAttributes {
viewBox?: string;
width?: number | string;
height?: number | string;
fill?: string;
stroke?: string;
strokeWidth?: number | string;
xmlns?: string;
children?: any;
}
}
}
export { h as jsx, h as jsxs, h as Fragment };
export type { Signal, Component, CleanupFn };