declare global {
	type ddeComponentAttributes= Record<any, any> | undefined | string;
	type ddeElementExtender<El extends Element>= (element: El)=> El;
}
type ElementTagNameMap= HTMLElementTagNameMap & SVGElementTagNameMap & {
	'#text': Text
}
type Element= ElementTagNameMap[keyof ElementTagNameMap];
type AttrsModified= {
	/**
	 * In fact argumen for `*.setAttribute("style", *)`.
	 */
	style: string
	/**
	 * Provide option to add/remove/toggle CSS clasess (index of object) using 1/0/-1. In fact `el.classList.toggle(class_name)` for `-1` and `el.classList.toggle(class_name, Boolean(...))` for others.
	 */
	classList: Record<string,-1|0|1>,
	/**
	 * By default simiral to `className`, but also supports `string[]`
	 * */
	className: string | (string|boolean|undefined)[];
	/**
	 * Sets `aria-*` simiraly to `dataset`
	 * */
	ariaset: Record<string,string>,
}
/**
 * Just element attributtes
 *
 * In most cases, you can use native propertie such as [MDN WEB/API/Element](https://developer.mozilla.org/en-US/docs/Web/API/Element) and so on (e.g. [`Text`](https://developer.mozilla.org/en-US/docs/Web/API/Text)).
 *
 * There is added support for `data[A-Z].*`/`aria[A-Z].*` to be converted to the kebab-case alternatives.
 * @private
 */
type ElementAttributes<T extends keyof ElementTagNameMap | ElementTagNameMap[keyof ElementTagNameMap]>=
	T extends keyof ElementTagNameMap ?
	Omit<ElementTagNameMap[T],"classList"|"className"> & AttrsModified :
	Omit<T,"classList"|"className"> & AttrsModified;
export function assign<El extends Element>(element: El, ...attrs_array: Partial<ElementAttributes<El>>[]): El
export function el<TAG extends keyof ElementTagNameMap>(
	tag_name: TAG,
	attrs?: Partial<ElementAttributes<ElementTagNameMap[TAG]>>,
	...extenders: ddeElementExtender<ElementTagNameMap[TAG]>[]
): ElementTagNameMap[TAG]
export function el<T>(
	tag_name?: "<>",
): DocumentFragment
export function el<
	A extends ddeComponentAttributes,
	C extends (attr: A)=> Element>(
	fComponent: C,
	attrs?: A,
	...extenders: ddeElementExtender<ReturnType<C>>[]
): ReturnType<C>
export function dispatchEvent(element: HTMLElement, name: keyof DocumentEventMap): void;
export function dispatchEvent(element: HTMLElement, name: string, data: any): void;
interface On{
	<
		EE extends ddeElementExtender<Element>,
		El extends ( EE extends ddeElementExtender<infer El> ? El : never ),
		Event extends keyof DocumentEventMap>(
			type: Event,
			listener: (this: El, ev: DocumentEventMap[Event]) => any,
			options?: AddEventListenerOptions
		) : EE;
	connected<
		EE extends ddeElementExtender<Element>,
		El extends ( EE extends ddeElementExtender<infer El> ? El : never )
		>(
			listener: (el: El) => any,
			options?: AddEventListenerOptions
		) : EE;
	disconnected<
		EE extends ddeElementExtender<Element>,
		El extends ( EE extends ddeElementExtender<infer El> ? El : never )
		>(
			listener: (el: El) => any,
			options?: AddEventListenerOptions
		) : EE;
}
export const on: On;
//TODO for SVG
declare global{
	interface HTMLDivElement{ append(...nodes: (Node | string)[]): HTMLDivElement; }
	interface HTMLAnchorElement{ append(...nodes: (Node | string)[]): HTMLAnchorElement; }
	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
	interface HTMLAreaElement{ append(...nodes: (Node | string)[]): HTMLAreaElement; }
	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
	interface HTMLAudioElement{ append(...nodes: (Node | string)[]): HTMLAudioElement; }
	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
	interface HTMLBaseElement{ append(...nodes: (Node | string)[]): HTMLBaseElement; }
	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
	interface HTMLQuoteElement{ append(...nodes: (Node | string)[]): HTMLQuoteElement; }
	interface HTMLBodyElement{ append(...nodes: (Node | string)[]): HTMLBodyElement; }
	interface HTMLBRElement{ append(...nodes: (Node | string)[]): HTMLBRElement; }
	interface HTMLButtonElement{ append(...nodes: (Node | string)[]): HTMLButtonElement; }
	interface HTMLCanvasElement{ append(...nodes: (Node | string)[]): HTMLCanvasElement; }
	interface HTMLTableCaptionElement{ append(...nodes: (Node | string)[]): HTMLTableCaptionElement; }
	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
	interface HTMLTableColElement{ append(...nodes: (Node | string)[]): HTMLTableColElement; }
	interface HTMLTableColElement{ append(...nodes: (Node | string)[]): HTMLTableColElement; }
	interface HTMLDataElement{ append(...nodes: (Node | string)[]): HTMLDataElement; }
	interface HTMLDataListElement{ append(...nodes: (Node | string)[]): HTMLDataListElement; }
	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
	interface HTMLModElement{ append(...nodes: (Node | string)[]): HTMLModElement; }
	interface HTMLDetailsElement{ append(...nodes: (Node | string)[]): HTMLDetailsElement; }
	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
	interface HTMLDialogElement{ append(...nodes: (Node | string)[]): HTMLDialogElement; }
	interface HTMLDivElement{ append(...nodes: (Node | string)[]): HTMLDivElement; }
	interface HTMLDListElement{ append(...nodes: (Node | string)[]): HTMLDListElement; }
	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
	interface HTMLEmbedElement{ append(...nodes: (Node | string)[]): HTMLEmbedElement; }
	interface HTMLFieldSetElement{ append(...nodes: (Node | string)[]): HTMLFieldSetElement; }
	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
	interface HTMLFormElement{ append(...nodes: (Node | string)[]): HTMLFormElement; }
	interface HTMLHeadingElement{ append(...nodes: (Node | string)[]): HTMLHeadingElement; }
	interface HTMLHeadingElement{ append(...nodes: (Node | string)[]): HTMLHeadingElement; }
	interface HTMLHeadingElement{ append(...nodes: (Node | string)[]): HTMLHeadingElement; }
	interface HTMLHeadingElement{ append(...nodes: (Node | string)[]): HTMLHeadingElement; }
	interface HTMLHeadingElement{ append(...nodes: (Node | string)[]): HTMLHeadingElement; }
	interface HTMLHeadingElement{ append(...nodes: (Node | string)[]): HTMLHeadingElement; }
	interface HTMLHeadElement{ append(...nodes: (Node | string)[]): HTMLHeadElement; }
	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
	interface HTMLHRElement{ append(...nodes: (Node | string)[]): HTMLHRElement; }
	interface HTMLHtmlElement{ append(...nodes: (Node | string)[]): HTMLHtmlElement; }
	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
	interface HTMLIFrameElement{ append(...nodes: (Node | string)[]): HTMLIFrameElement; }
	interface HTMLImageElement{ append(...nodes: (Node | string)[]): HTMLImageElement; }
	interface HTMLInputElement{ append(...nodes: (Node | string)[]): HTMLInputElement; }
	interface HTMLModElement{ append(...nodes: (Node | string)[]): HTMLModElement; }
	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
	interface HTMLLabelElement{ append(...nodes: (Node | string)[]): HTMLLabelElement; }
	interface HTMLLegendElement{ append(...nodes: (Node | string)[]): HTMLLegendElement; }
	interface HTMLLIElement{ append(...nodes: (Node | string)[]): HTMLLIElement; }
	interface HTMLLinkElement{ append(...nodes: (Node | string)[]): HTMLLinkElement; }
	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
	interface HTMLMapElement{ append(...nodes: (Node | string)[]): HTMLMapElement; }
	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
	interface HTMLMenuElement{ append(...nodes: (Node | string)[]): HTMLMenuElement; }
	interface HTMLMetaElement{ append(...nodes: (Node | string)[]): HTMLMetaElement; }
	interface HTMLMeterElement{ append(...nodes: (Node | string)[]): HTMLMeterElement; }
	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
	interface HTMLObjectElement{ append(...nodes: (Node | string)[]): HTMLObjectElement; }
	interface HTMLOListElement{ append(...nodes: (Node | string)[]): HTMLOListElement; }
	interface HTMLOptGroupElement{ append(...nodes: (Node | string)[]): HTMLOptGroupElement; }
	interface HTMLOptionElement{ append(...nodes: (Node | string)[]): HTMLOptionElement; }
	interface HTMLOutputElement{ append(...nodes: (Node | string)[]): HTMLOutputElement; }
	interface HTMLParagraphElement{ append(...nodes: (Node | string)[]): HTMLParagraphElement; }
	interface HTMLPictureElement{ append(...nodes: (Node | string)[]): HTMLPictureElement; }
	interface HTMLPreElement{ append(...nodes: (Node | string)[]): HTMLPreElement; }
	interface HTMLProgressElement{ append(...nodes: (Node | string)[]): HTMLProgressElement; }
	interface HTMLQuoteElement{ append(...nodes: (Node | string)[]): HTMLQuoteElement; }
	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
	interface HTMLScriptElement{ append(...nodes: (Node | string)[]): HTMLScriptElement; }
	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
	interface HTMLSelectElement{ append(...nodes: (Node | string)[]): HTMLSelectElement; }
	interface HTMLSlotElement{ append(...nodes: (Node | string)[]): HTMLSlotElement; }
	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
	interface HTMLSourceElement{ append(...nodes: (Node | string)[]): HTMLSourceElement; }
	interface HTMLSpanElement{ append(...nodes: (Node | string)[]): HTMLSpanElement; }
	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
	interface HTMLStyleElement{ append(...nodes: (Node | string)[]): HTMLStyleElement; }
	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
	interface HTMLTableElement{ append(...nodes: (Node | string)[]): HTMLTableElement; }
	interface HTMLTableSectionElement{ append(...nodes: (Node | string)[]): HTMLTableSectionElement; }
	interface HTMLTableCellElement{ append(...nodes: (Node | string)[]): HTMLTableCellElement; }
	interface HTMLTemplateElement{ append(...nodes: (Node | string)[]): HTMLTemplateElement; }
	interface HTMLTextAreaElement{ append(...nodes: (Node | string)[]): HTMLTextAreaElement; }
	interface HTMLTableSectionElement{ append(...nodes: (Node | string)[]): HTMLTableSectionElement; }
	interface HTMLTableCellElement{ append(...nodes: (Node | string)[]): HTMLTableCellElement; }
	interface HTMLTableSectionElement{ append(...nodes: (Node | string)[]): HTMLTableSectionElement; }
	interface HTMLTimeElement{ append(...nodes: (Node | string)[]): HTMLTimeElement; }
	interface HTMLTitleElement{ append(...nodes: (Node | string)[]): HTMLTitleElement; }
	interface HTMLTableRowElement{ append(...nodes: (Node | string)[]): HTMLTableRowElement; }
	interface HTMLTrackElement{ append(...nodes: (Node | string)[]): HTMLTrackElement; }
	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
	interface HTMLUListElement{ append(...nodes: (Node | string)[]): HTMLUListElement; }
	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
	interface HTMLVideoElement{ append(...nodes: (Node | string)[]): HTMLVideoElement; }
	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
	interface DocumentFragment{ append(...nodes: (Node | string)[]): DocumentFragment; }
}
export type Signal<V, A>= (set?: V)=> V & A;
type Action<V>= (this: { value: V }, ...a: any[])=> typeof S._ | void;
type SymbolOnclear= Symbol;
type SymbolSignal= Symbol;
type Actions<V>= Record<string, Action<V>>;
interface S {
	_: Symbol
	/**
	 * Simple example:
	 * ```js
	 * const hello= S("Hello Signal");
	 * ```
	 * …simple todo signal:
	 * ```js
	 * const todos= S([], {
	 * 	add(v){ this.value.push(S(v)); },
	 * 	remove(i){ this.value.splice(i, 1); },
	 * 	[S.symbols.onclear](){ S.clear(...this.value); },
	 * });
	 * ```
	 * …computed signal:
	 * ```js
	 * const name= S("Jan");
	 * const surname= S("Andrle");
	 * const fullname= S(()=> name()+" "+surname());
	 * ```
	 * @param value Initial signal value. Or function computing value from other signals.
	 * @param actions Use to define actions on the signal. Such as add item to the array.
	 *		There is also a reserved function `S.symbol.onclear` which is called when the signal is cleared
	 *		by `S.clear`.
	 * */
	<V, A extends Actions<V>>(value: V, actions?: A): Signal<V, A>;
	action<S extends Signal<any, Actions<any>>, A extends (S extends Signal<any, infer A> ? A : never), N extends keyof A>(
		signal: S,
		name: N,
		...params: A[N] extends (...args: infer P)=> any ? P : never
	): void;
	clear(...signals: Signal<any, any>[]): void;
	on<T>(signal: Signal<T, any>, onchange: (a: T)=> void, options?: AddEventListenerOptions): void;
	symbols: {
		signal: SymbolSignal;
		onclear: SymbolOnclear;
	}
	el<S extends any, T extends HTMLElement>(signal: Signal<S, any>, el: (v: S)=> T): T;
}
export const S: S;
declare global {
	type ddeSignal<T, A= {}>= Signal<T, A>;
	type ddeActions<V>= Actions<V>
}