@twobirds/microcomponents/dist/selectors.ts

Micro Components Organization Class

import { MC, DC, HTMLMcElement, addListener, removeListener } from './MC.js';
import { LooseObject } from './helpers.js';

/*
helpers
*/

const isObject = ( value: any ): boolean => {
  return value != null && typeof value === 'object';
}

const words = ( classes: Array<string> ): Array<string> => {

	let classSet: Set<string> = new Set();

	// read classes into set
	classes.forEach( c => {
		c = c.trim();
		c.split(' ').forEach( e => {
			if ( e !== '' ){
				classSet.add(e);
			}
		});
	});

	// now we have a sanitized array
	classes = Array.from( classSet );

	return classes;
}

type inputTypes = HTMLInputElement | HTMLSelectElement | HTMLTextAreaElement;

const getInputName = ( e: HTMLInputElement | HTMLSelectElement | HTMLTextAreaElement ): string => {

	let ret = e instanceof HTMLInputElement
		? 'input'
		: e instanceof HTMLSelectElement
			? 'select'
			: e instanceof HTMLTextAreaElement
				? 'textarea'
				: ''
		;

	return ret;
}


const getInputHandlers = ( e: HTMLElement | ShadowRoot ): LooseObject => {

		let
			//inputList = ( Array.from( e.querySelectorAll('*') ) as HTMLElement[] ).filter( i => isInputElement(i) ),
			inputList = $d('input,select,textarea', e).array,
			handlers: LooseObject = {};

		inputList.forEach( (i) => {
			const
				name: string = ( i as inputTypes ).getAttribute('name') || 'undefined';

			if ( name ){
				let h: InputBase;
				switch ( getInputName( i as inputTypes ) ){
					case 'input':
						//console.log( i, 'is HTMLInputElement');
						h = new InputHandler( i as HTMLInputElement, e ); // e = element to search radios in = radioBase
						Object.defineProperty( handlers, name, {
							enumerable: true,
							configurable: true,
							get: (): any => { return h.val },
							set: ( value: any ) => { h.val = value }
						});
						break;
					case 'select':
						//console.log( i, 'is HTMLSelectElement');
						h = new SelectHandler( i as HTMLSelectElement );
						Object.defineProperty( handlers, name, {
							enumerable: true,
							configurable: true,
							get: (): any => { return h.val },
							set: ( value: any ) => { h.val = value }
						});
						break;
					case 'textarea':
						//console.log( i, 'is HTMLTextAreaElement');
						h = new TextAreaHandler( i as HTMLTextAreaElement );
						Object.defineProperty( handlers, name, {
							enumerable: true,
							configurable: true,
							get: (): any => { return h.val },
							set: ( value: any ) => { h.val = value }
						});
						break;
					default:
						console.warn('handler missing:', name, 'for', i);
						break;
				}
			}
		});

		return handlers;
}

abstract class InputBase{
	constructor( e: any ){
	}

	abstract get val(): any;

	abstract set val( value: any );

}

class InputHandler extends InputBase {

	#e: HTMLInputElement;
	#type: string;
	#radioBase: any;

	constructor( e: HTMLInputElement, radioBase?: HTMLElement | ShadowRoot ){
		super( e );
		this.#e = e;
		this.#type = e.type;
		this.#radioBase = radioBase;
	}

	get val(): any{
		let that = this,
			type = that.#type,
			ret: any;

		switch (type){
			case 'radio':
				const check = $d( `input[type="radio"][name="${ this.#e.getAttribute('name') }"]`, this.#radioBase )
					.filter( e => e.checked );
				if ( !check.length ) return '';
				ret = check.array[0];
				return ret.value;
			case 'checkbox':
				return that.#e.checked;
			default:
				return that.#e.value;
				break;
		}

		return '';
	}

	set val( value: any ){
		let that = this,
			type = that.#type,
			ret: any;

		switch (type){
			case 'radio':
				const
					selection = `input[type="radio"][name="${ this.#e.getAttribute('name') }"]`,
					radios = $d( selection, this.#radioBase );

				// console.log('set radios', selection, this.#radioBase, radios.array );

				if ( !radios.length ) return;

				if ( value === '' ){ // uncheck all
					radios.forEach( r => { if (r.checked) r.checked = false } );
					//console.log('unset all radios', radios.array );
					return;
				}

				const setRadioElement = radios.filter( r => r.getAttribute('value') === value );

				if ( !setRadioElement.length ) return;

				// console.log('set this radio', setRadioElement.array );

				(setRadioElement.array[0] as HTMLInputElement).checked = true;

				// console.log('done', setRadioElement.array );
				return;
				break;
			case 'checkbox':
				that.#e.checked = value;
				break;
			default:
				that.#e.value = value;
				break;
		}

		return;
	}

}

class SelectHandler extends InputBase {

	#e: HTMLSelectElement;
	#multi: boolean = false;

	constructor( e: HTMLSelectElement ){
		super( e );
		this.#e = e;
		this.#multi = e.type === 'select-multiple';
	}

	get val(): string[] | string{
		const
			that = this,
			ret: string[] = [];

		// get all options
		const options = $d( that.#e.querySelectorAll('option') )
			.filter( o => o.selected )
			.forEach( o => { if ( o.selected ) ret.push( o.value ) } );

		if ( this.#multi ) return ret;
		return ret.length ? ret[0] : '';
	}

	set val( value: string[] | string ){
		const
			that = this;

		value = typeof value === 'string' ? [ value ] : value;

		//console.log('set values', value );

		// set all options
		const options = $d( that.#e.querySelectorAll('option') )
			.forEach( o => {
				if ( value.indexOf( o.value ) > -1 ) {
					o.setAttribute( 'selected', true )
					o.selected = true;
				} else {
					o.removeAttribute( 'selected' )
					o.selected = false;
				}
			});

		/*
		if (pOption.selected) {
			if (
				!pOption.disabled &&
				(!pOption.parentNode.disabled ||
					pOption.parentNode.nodeName !==
						'optgroup')
			) {
				var value = pOption.value;

				ret.push(value);
			}
		}
		*/
		return;
	}

}

class TextAreaHandler extends InputBase {
	#e: HTMLTextAreaElement
	constructor( e: HTMLTextAreaElement ){
		super(e);
		this.#e = e;
	}

	get val(): string{
		return this.#e.value;
	}

	set val( value: string ){
		this.#e.value = value;
		return;
	}

}

/*
selector classes
*/

class DomSelector{

	#set: Set<HTMLElement> = new Set();

	public get set(): Set<HTMLElement> {
		return this.#set;
	}

	public get array(): HTMLElement[] {
		return Array.from( this.#set );
	}

	public set set( set: Set<HTMLElement> ) {
		this.#set = set;
		return;
	}

	public get length(): number {
		return this.#set.size;
	}

	constructor( selection?: selection, element: any = document.body ){

		let
			that = this,
			undefinedTags: Set<any> = new Set();

		// // console.log('DomSelector constructor', ...arguments);

		if ( !selection ) {
			return that;
		}

		/* autoloading disabled !
		if ( selection instanceof Array ){
			selection.forEach( (select) => {
				_getElementList( select, element ).forEach( (e) => {
					if ( e.localName?.indexOf('-') !== -1 || e.getAttribute?.('is') ) _loadRequirements( e );
					that.#set.add( e );
				});
			});
		} else {
			_getElementList( selection, element ).forEach( (e) => {
				if ( e.localName?.indexOf('-') !== -1 || e.getAttribute?.('is') ) _loadRequirements( e );
				that.#set.add( e );
			});
		}
		*/

	}

	$t( nameSpace?: string ): TSelector {
		let
			result = new TbSelector()
		;

		this.#set.forEach( (e: HTMLElement) => {
			if ( (e as HTMLMcElement)._mc ){
				Object.values( (e as HTMLMcElement)._mc ).forEach( ( mc: MC | DC ) => {
					result.set.add( mc );
				});
			}
		});

		if ( nameSpace ) {
			result.filter( mc => (mc as LooseObject).nameSpace === nameSpace );
		}

		return result;
	}

	add( selection: selection, target?: HTMLElement ): DSelector  {

		let
			that = this
		;

		$d( selection, target ).forEach( element => {
			that.#set.add( element );
		});

		return that;
	}

	addClass( ...classes: string[] ): DSelector  {

		// sanitize classes
		classes = words( classes );

		// now set those classes
		this.forEach( element => {
			element.classList.add( ...classes );
		});

		return this;
	}

	after( selection: selection, target?: HTMLElement ): DSelector  {

		let
			that = this,
			after = $d( selection, target );
		;

		if ( !after.length ) return that;

		after
			.first()
			.forEach( element => {
				that.array.reverse().forEach( (e: HTMLElement) => {
					e.after( element );
				});
			});

		return that;
	}

	append( selection: selection, target?: HTMLElement ): DSelector  {

		let
			that = this,
			addTo = that.array['0'],
			append = $d( selection, target )
		;

		if ( addTo ){
			append.forEach( (e: HTMLElement) => {
				addTo.append( e );
			});
		}

		return that;
	}

	appendTo( selection: selection, target?: HTMLElement ): DSelector  {

		let
			that = this,
			appendTo = $d( selection, target ).array['0']
		;

		if ( appendTo ){
			that.forEach( (e: HTMLElement) => {
				appendTo.append( e );
			});
		}

		return that;
	}

	attr(): LooseObject;
	attr( obj: LooseObject ): DSelector;
	attr( name: string ): string | null;
	attr( first?: string | LooseObject, second?: string | object | null ): DSelector;
	attr( first?: unknown, second?: unknown ): DSelector | LooseObject | string | null {
		let
			that = this,
			attributes: LooseObject = {}
		;

		// if no elements in set -> skip
		if ( !that.length ) return that;

		// if no arguments, return attributes of first in list as hash object
		if (!arguments.length) {
			Array.from( [ ...that.set ][0].attributes ).forEach( (attribute: LooseObject) => {
				attributes[attribute.name] = attribute.value;
			});
			return attributes;
		}

		// if first is a string
		//   if no value (second) is given -> return attribute value of first element in node selection
		//   if value (second) is null -> remove attribute and return this
		//   else set attribute values and return this
		if ( typeof first === 'string' ) {

			// return attributes
			if ( second === undefined ){
				return [ ...that.set ][0].getAttribute( first );
			}

			// remove attribute
			if ( second === null ){
				[ ...that.set ].forEach( (e: HTMLElement) =>{
					e.removeAttribute( first );
				});
				return that;
			}

			// if attribute value is an object -> convert to json string
			if ( typeof second === 'object' ){
				second = JSON.stringify( second );
			}

			// set attribute
			[ ...that.set ].forEach( (e: HTMLElement) =>{
				e.setAttribute( first, second as string );
			});

			return that;
		}

		// if first is an object set attributes to all nodes
		if ( typeof first === 'object' ) {
			[ ...that.set ].forEach( (e: HTMLElement) =>{
				Object.keys( first as LooseObject ).forEach( (key: string) => {
					$d(e).attr( key, ( first as LooseObject ).key );
				});
			});
			return that;
		}

		return that;
	}

	before( selection: selection, target?: HTMLElement ): DSelector  {

		let
			that = this,
			before = $d( selection, target );
		;

		if ( !before.length ) return that;

		before
			.first()
			.forEach( element => {
				that.forEach( (e: HTMLElement) => {
					e.before( element );
				});
			});

		return that;
	}

	children( selection?: selection, rootNode?: HTMLElement ): DSelector{

		let
			that: DomSelector = this,
			set: Set<HTMLElement> = new Set()
		;

		that.#set.forEach( (e: HTMLElement) => {
			Array.from( e.children ).forEach( ( c ) => {
				set.add( c as HTMLElement );
			});
		});

		that = $d( [ ...set] );

		if ( selection ){
			let	compare = $d( selection, rootNode );
			that.filter( ( e: HTMLElement ) => compare.has( e ) );
		}

		return that;
	}

	descendants( selection?: selection, rootNode?: HTMLElement ): DSelector{
		let
			that: DomSelector = this,
			set: Set<HTMLElement> = new Set()
		;

		that.#set.forEach( (e: HTMLElement) => {
			e.querySelectorAll('*').forEach( ( h ) => {
				set.add( h as HTMLElement );
			});
		});

		that = $d( [ ...set] );

		if ( selection ){
			let	compare = $d( selection, rootNode );
			that.filter( ( e: HTMLElement ) => compare.has( e ) );
		}

		return that;
	}

	empty(): DSelector {
		return this.filter( (e: any)=>false );
	}

	first( selection?: selection, rootNode?: HTMLElement ): DSelector{
		let
			that: DomSelector = this,
			set: Set<HTMLElement> = new Set(),
			compare: any = false;
		;

		// get compare selection if specified
		if ( selection ){
			compare = $d( selection, rootNode );
		}

		// get compare selection if specified
		that.#set.forEach( (e: HTMLElement) => {
			if ( e.parentNode ){
				set.add( e.parentNode.children[0] as HTMLElement );
			}
		});

		// make result
		that = $d( [ ...set ] );

		// compare if necessay
		if ( selection ){
			that.filter( ( e: HTMLElement ) => compare.has( e ) );
		}

		return that;
	}

	has( element: HTMLElement ): boolean{
		return this.#set.has( element );
	}

	hasClass( ...classes: string[] ): boolean  {

		// sanitize classes
		classes = words( classes );

		// now test those classes
		return this.every( e => {
			return Array.from( e.classList ).every( c => e.contains( c ) );
		});

	}


	html( html?: string ): string | DSelector{
		let that = this;

		if ( html ){
			that.forEach( (e: HTMLElement) => {
				!e.parentNode
					? (()=>{
						console.warn('Cannot access the .innerHTML of a  HTMLElement that hasnt been inserted yet', e );
						console.trace( e, this );
						console.info( 'If you called this from inside a Web Component constructor, consider using the %c[connected] event callback!', 'color: blue;' )
					})()
					: e.innerHTML = html;
			});
			return that;
		}

		return that.array[0].innerHTML;
	}

	last( selection?: selection, rootNode?: HTMLElement ): DSelector{
		let
			that: DomSelector = this,
			set: Set<HTMLElement> = new Set()
		;

		that.#set.forEach( (e: HTMLElement) => {
			let
				siblings = e.parentNode?.children as HTMLCollection
			;
			if ( siblings ) {
				set.add( Array.from(siblings).at(-1) as HTMLElement );
			}
		});

		that = $d( [ ...set] );

		if ( selection ){
			let	compare = $d( selection, rootNode );
			that.filter( ( e: HTMLElement ) => compare.has( e ) );
		}

		return that;
	}

	/*
	load(): DSelector{
		let that = this;

		if( !that.length ){
			that.add( document.body );
		}

		that.forEach( e => _loadRequirements( e ) );

		return that;
	}
	*/

	next( selection?: selection, rootNode?: HTMLElement ): DSelector{
		let
			that: DomSelector = this,
			set: Set<HTMLElement> = new Set()
		;

		that.#set.forEach( (e: HTMLElement) => {
			let
				siblings = e.parentNode?.children as HTMLCollection
			;
			if ( siblings ) {
				let
					arr = Array.from(siblings),
					pos = arr.indexOf(e) + 1
				;
				if ( pos < arr.length ){
					set.add( arr.at(pos) as HTMLElement );
				}
			}
		});

		that = $d( [ ...set] );

		if ( selection ){
			let	compare = $d( selection, rootNode );
			that.filter( ( e: HTMLElement ) => compare.has( e ) );
		}

		return that;
	}

	normalize(): DSelector {
		let that = this;
		that.#set.forEach( (e: HTMLElement) => { e.normalize() });
		return that;
	}

	off( eventName: string, cb: Function ): DSelector{
		let
			that = this,
			eventNames =
				eventName.indexOf(' ') > -1
					? eventName.split(' ')
					: [ eventName ]
		;

		// remove handler
		that.array.forEach( (e: HTMLElement) => {
			eventNames.forEach(function ( n: string ) {
				removeListener(
					e,
					n,
					cb as EventListenerOrEventListenerObject
				);
			});
		});

		return that;
	}

	on( eventName: string, cb: Function, capture: boolean = false, once: boolean = false ): Function{

		let
			that = this,
			eventNames =
				eventName.indexOf(' ') > -1
					? eventName.split(' ').filter( (s) => s !== '' )
					: [ eventName ]
		;

		function wrapper(){ wrapper.cb.apply(that, Array.from(arguments) ); };
		wrapper.cb = cb;

		// attach handler
		that.forEach( (e: HTMLElement) => {
			eventNames.forEach(function ( n: string ) {
				addListener(
					e,
					n,
					(wrapper as EventListenerOrEventListenerObject),
					capture,
					once
				);
			});
		});

		return wrapper;
	}

	one( eventName: string, cb: Function, capture: boolean = false ): Function{
		let
			that = this,
			eventNames =
				eventName.indexOf(' ') > -1
					? eventName.split(' ').filter( (s) => s !== '' )
					: [ eventName ]
		;

		function wrapper(){ wrapper.cb.apply(that, Array.from(arguments) ); };
		wrapper.cb = cb;

		// attach handler
		that.forEach( (e: HTMLElement) => {
			eventNames.forEach(function ( n: string ) {
				addListener(
					e,
					n,
					(wrapper as EventListenerOrEventListenerObject),
					capture,
					true
				);
			});
		});

		return wrapper;
	}

	parent( selection?: selection, rootNode?: HTMLElement ): DSelector {
		let
			that: DomSelector = this,
			set: Set<HTMLElement> = new Set()
		;

		that.#set.forEach( (e: HTMLElement) => {
			if ( e.parentNode && (e.parentNode as HTMLElement).tagName !== 'HTML') {
				set.add( e.parentNode as HTMLElement );
			}
		});

		that = $d( [ ...set] );

		if ( selection ){
			let	compare = $d( selection, rootNode );
			that.filter( ( e: HTMLElement ) => compare.has( e ) );
		}

		return that;
	}

	parents( selection?: selection, rootNode?: HTMLElement ): DSelector {
		let
			that: DomSelector = this,
			set: Set<HTMLElement> = new Set()
		;

		that.#set.forEach( (e: HTMLElement) => {
			let
				current = e
			;
			while ( current.parentNode && (current.parentNode as HTMLElement).tagName !== 'HTML' ){
				current = current.parentNode as HTMLElement;
				set.add( current );
			}
		});

		that = $d( [ ...set] );

		if ( selection ){
			let	compare = $d( selection, rootNode );
			that.filter( ( e: HTMLElement ) => compare.has( e ) );
		}

		return that;
	}

	prepend( selection: selection, target?: HTMLElement ): DSelector  {

		let
			that = this,
			addTo = that.array['0'],
			prepend = $d( selection, target )
		;

		if ( addTo ){
			prepend.forEach( (e: HTMLElement) => {
				addTo.prepend( e );
			});
		}

		return that;
	}


	prev( selection?: selection, rootNode?: HTMLElement ): DSelector{
		let
			that: DomSelector = this,
			set: Set<HTMLElement> = new Set()
		;

		that.#set.forEach( (e: HTMLElement) => {
			let
				siblings = e.parentNode?.children as HTMLCollection
			;
			if ( siblings ) {
				let
					arr = Array.from(siblings),
					pos = arr.indexOf(e) - 1
				;
				if ( pos > -1 ){
					set.add( arr.at(pos) as HTMLElement );
				}
			}
		});

		that = $d( [ ...set] );

		if ( selection ){
			let	compare = $d( selection, rootNode );
			that.filter( ( e: HTMLElement ) => compare.has( e ) );
		}

		return that;
	}

	removeClass( ...classes: string[] ): DSelector  {

		// sanitize classes
		classes = words( classes );

		// now set those classes
		this.forEach( element => {
			element.classList.remove( ...classes );
		});

		return this;
	}

	text( text?: string ): string | DSelector{
		let that = this;
		if ( text ){
			that.forEach( (e: HTMLElement) => {
				!e.parentNode
					? (()=>{
						console.warn('Cannot access the .textContent of a  HTMLElement that hasnt been inserted yet', e );
						console.trace( e, this );
						console.info( 'If you called this from inside a Web Component constructor, consider using the %c[connected] event callback!', 'color: blue;' )
					})()
					: e.innerText = text;
			});
			return that as DomSelector;
		}

		let t = that.array[0].innerText;
		return  t ?? '' as string;
	}

	toggleClass( ...classes: string[] ): DSelector {

		// sanitize classes
		classes = words( classes );

		// now set those classes
		this.forEach( element => {
			element.classList.toggle( ...classes );
		});

		return this;
	}

	trigger( eventName: string, data: any = {}, bubbles: boolean = false, cancelable: boolean = false, composed: boolean = false ): DSelector{
		let
			that = this,
			ev: Event,
			options: LooseObject = { bubbles, cancelable, composed },
			eventNames =
				eventName.indexOf(' ') > -1
					? eventName.split(' ')
					: [ eventName ]
		;

		that.#set.forEach( (e: HTMLElement) => {
			eventNames.forEach(function ( n: string ) {
				// console.log()
				ev = new Event( n, options );
				(ev as LooseObject ).data = data;
				e.dispatchEvent( ev );
			});
		});

		return that;
	}

	// INFO:
	// val(): LooseObject; // no param: get all as LooseObject
	// val( p1: string ): Array<string> | number | string; // get from input name
	// val( p1: object ): DomSelector; // set from object
	// val( p1: string, p2: any ): DomSelector; // set from name and value
	val( p1?: any, p2?: any ): any {

		if ( !this.length ) return this;

		const
			that = this
		;

		let result: any,
			handlers: LooseObject = getInputHandlers( that.array[0] );

		// work with it
		if ( !p1 ){ // get all inputs as LooseObject
			result = Object.assign( {}, handlers );
			// Object.keys( handlers ).forEach( ( key ) => result[key] = handlers.hasOwnProperty(key) ? handlers[key].val : undefined );
		} else {
			if ( isObject(p1) ){ // set inputs from Object
				Object.assign( handlers, p1 );
				// Object.keys( p1 ).forEach( ( key ) => !!handlers[key] ? handlers[key].val = p1[key] : false );
				result = that;
			} else if ( typeof p1 === 'string' ){
				if ( p2 === undefined ){ // get a single input
					result = handlers[p1];
				} else { // set a single input
					handlers[p1] = p2;
					result = that;
				}
			}
		}

		return result;
	}

	values( values?: LooseObject ): LooseObject {
		const
			that = this,
			holder: LooseObject = {};

		let
			data: LooseObject = {};

		//console.log( '$d().values()', values );

		if ( !that.length ) {
			console.warn('no dom selection to search inputs in');
			return {};
		}

		let handlers = getInputHandlers( that.array[0] );

		//console.log( 'handlers', Object.keys(handlers), handlers['cb1'] );

		// let values = that.val();

		// console.log( 'values', values );

		Object.keys( handlers ).forEach( (key: string) => {
			//console.log(key);
			data[key] = handlers[key];
		});

		// data = Object.assign( {}, that.val() )
		//console.log( 'data', that.array[0], data, Object.keys( data ) );

		if ( Object.keys( data ).length === 0 ) {
			console.warn('no inputs in this dom selection', that.array[0], data );
		}

		//console.log( '$d val()', data );
		if (values) {
			Object
				.keys( values )
				.forEach( key => {
					if ( handlers.hasOwnProperty(key) ) {
						console.log( 'key found', key );
						handlers[key] = values[key];
					}
				});
				// .forEach( key => handlers[key] = values[key] )
		}

		return structuredClone( Object.assign( handlers ) );
	}

	/*
	array method mapping
	*/

	at( index: number ): DSelector {
		return $d( this.array.at( index ) as HTMLElement ) as DomSelector;
	}

	concat( items: DSelector | any[] ): DSelector{
		let
			that = this,
			arr = items instanceof DomSelector
				? items.array
				: items as HTMLElement[]
		;

		arr.forEach( (e: HTMLElement) => {
			that.#set.add( e );
		});

		return that;
	}

	entries(): IterableIterator<[number, any]> {
		return this.array.entries();
	}

	every( predicate: (value: any, index: number, array: any[]) => unknown, thisArg?: any ): boolean {
		return this.array.every( predicate, thisArg );
	}

	filter( predicate: (value: any, index: number, array: any[]) => unknown, thisArg?: any ): DSelector {
		this.#set = new Set( this.array.filter( predicate, thisArg ) );
		return this;
	}

	forEach( predicate: (value: any, index: number, array: any[]) => unknown, thisArg?: any ): DSelector {
		this.array.forEach( predicate, thisArg );
		return this;
	}

	includes( item: HTMLElement ): boolean{
		return this.array.indexOf( item, 0 ) !== -1;
	}

	indexOf( item: HTMLElement, start?: number ): number{
		return this.array.indexOf( item, start );
	}

	map( predicate: (value: any, index: number, array: any[]) => unknown, thisArg?: any ): Array<any>{
		return this.array.map( predicate, thisArg );
	}

	pop(): HTMLElement {
		return this.array.pop() as HTMLElement;
	}

	push( ...items: HTMLElement[] ): DSelector {
		items.forEach( (item: HTMLElement) => {
			this.#set.add( item );
		});
		return this;
	}

	shift(): HTMLElement | undefined {
		let
			that = this,
			element = that.#set.size ? that.array[0] : undefined
		;

		if ( element ){
			that.#set.delete( element );
		}

		return element;
	}

	slice( start: number, end?: number ): DSelector {
		return $d( this.array.slice( start, end ) );
	}

	some( predicate: (value: any, index: number, array: any[]) => unknown, thisArg?: any ): boolean{
		return this.array.some( predicate, thisArg );
	}

	splice( start: number, deleteCount?: number | undefined ): DSelector;
	splice( start: number, deleteCount: number, ...items: HTMLElement[] ): DSelector {
		let
			that = this,
			arr = that.array
		;

		arr.splice( start, deleteCount, ...items );
		return $d( arr );
	}

}

export interface DSelector extends DomSelector{};

class TbSelector{

	#set: Set<any> = new Set();

	public get set(): Set<any> {
		return this.#set;
	}

	public get array(): any[] {
		return Array.from( this.#set );
	}

	public set set( set: Set<any> ) {
		this.#set = set;
		return;
	}

	public get length(): number {
		return this.#set.size;
	}

	public set length( value: number ){
		//ignore
	}

	constructor( selection?: selection, element: HTMLElement = document.body ){

		if ( !selection ) {
			return this;
		}

		$d( selection, element ).forEach( (e: HTMLMcElement) => {
			$t( e ).forEach( (t: any ) => {
				this.#set.add(t);
			});
		});

	}

	$d( selection?: selection, element: HTMLElement = document.body ): DSelector {
		let
			result = new DomSelector(),
			set: Set<HTMLElement> = new Set(),
			compare: boolean = !!selection || false,
			compareSelection: Set<HTMLElement> = new Set()
		;

		if ( compare ){
			compareSelection = $d( selection, element ).set;
		}

		this.#set.forEach( (e: any) => {
			if ( !compare || compareSelection.has( (e as any)._tg ) ) {
				set.add( (e as any)._tg );
			}
		});

		result.set = set;

		return result;
	}

	children( nameSpace?: string ): TSelector{

		let
			that: TbSelector = this,
			set: Set<any> = new Set()
		;

		that.#set.forEach( (e: any) => {
			e.children( nameSpace ).forEach( ( tb: any ) => {
				set.add( tb );
			});
		});

		that.#set = set;

		return that;
	}

	descendants( nameSpace?: string ): TSelector{

		let
			that: TbSelector = this,
			set: Set<any> = new Set()
		;

		that.#set.forEach( (e: any) => {
			e.descendants( nameSpace ).forEach( ( tb: any ) => {
				set.add( tb );
			});
		});

		that.#set = set;

		return that;
	}

	first( nameSpace?: string ): TSelector{

		let
			that: TbSelector = this,
			set: Set<any> = new Set()
		;

		that.#set.forEach( (e: any) => {
			e
				.parent()
				.children()
				.$d()
				.first()
				.$t()
				.forEach( (tb: any) => {
					set.add( tb );
				});
		});

		that.#set = set;

		if ( nameSpace ){
			that.filter( ( tb: any ) => (tb as any).nameSpace = nameSpace );
		}

		return that;
	}

	has( element: any ): boolean{
		return this.#set.has( element );
	}

	last( nameSpace?: string ): TSelector{
		let
			that: TbSelector = this,
			set: Set<any> = new Set()
		;

		that.#set.forEach( (e: any) => {
			e
				.parent()
				.children()
				.$d()
				.last()
				.$t()
				.forEach( (tb: any) => {
					set.add( tb );
				});
		});

		that.#set = set;

		if ( nameSpace ){
			that.filter( ( e: any ) => ( e as LooseObject).nameSpace = nameSpace );
		}

		return that;
	}

	next( nameSpace?: string ): TSelector{

		let
			that: TbSelector = this,
			set: Set<any> = new Set()
		;

		that.#set.forEach( (e: any) => {
			let
				elements: Set<HTMLElement> = new Set(),
				element: HTMLElement
			;

			element = (e as any)._tg;
			while ( element.nextElementSibling !== null ){
				element = element.nextElementSibling as HTMLElement;
				elements.add( element );
			}

			$t([...elements])
				.$d()
				.first()
				.$t()
				.forEach( (tb: any) => {
					set.add( tb );
				});
		});

		that.#set = set;

		if ( nameSpace ){
			that.filter( ( e: any ) => ( e as LooseObject).nameSpace = nameSpace );
		}

		return that;
	}

	ns( nameSpace: string ): TSelector{
		return this.filter( (tb: any) => (tb as any).nameSpace === nameSpace );
	}

	off( name: string, cb: Function ): TSelector{
		let
			that = this,
			eventNames =
				name.indexOf(' ') > -1
					? name.split(' ').filter( (s) => s !== '' )
					: [ name ]
		;

		// remove handlers
		that.$d().array.forEach( (e: HTMLElement) => {
			eventNames.forEach(function ( n: string ) {
				// console.log('Tb Selector remove event', `[TB]${n}`, e, cb );
				removeListener(
					e,
					`[TB]${n}`,
					cb as EventListenerOrEventListenerObject
				);
			});
		});

		return that;
	}

	on( name: string, cb: Function, once: boolean = false ): Function{

		let
			that = this,
			eventNames =
				name.indexOf(' ') > -1
					? name.split(' ').filter( (s) => s !== '' )
					: [ name ]
		;

		function wrapper(){ wrapper.cb.apply(that, Array.from(arguments) ); };
		wrapper.cb = cb;

		// attach handler
		that.forEach( ( tb: any) => {
			eventNames.forEach(function ( n: string ) {
				addListener(
					(tb as any)._tg,
					`[TB]${n}`,
					(wrapper as EventListenerOrEventListenerObject),
					false,
					once
				);
			});
		});

		return wrapper;
	}

	one( name: string, cb: Function ): Function{
		let
			that = this,
			eventNames =
				name.indexOf(' ') > -1
					? name.split(' ').filter( (s) => s !== '' )
					: [ name ]
		;

		function wrapper(){ wrapper.cb.apply(that, Array.from(arguments) ); };
		wrapper.cb = cb;

		// attach handler
		that.forEach( ( tb: any) => {
			eventNames.forEach(function ( n: string ) {
				addListener(
					(tb as any)._tg,
					`[TB]${n}`,
					(wrapper as EventListenerOrEventListenerObject),
					false,
					true
				);
			});
		});

		return wrapper;
	}

	parent( nameSpace?: string ): TSelector {

		let
			that: TbSelector = this,
			set: Set<any> = new Set()
		;

		that.#set.forEach( (e: any) => {
			e.parent( nameSpace ).forEach( ( tb: any ) => {
				set.add( tb );
			});
		});

		that.#set = set;

		return that;
	}

	parents( nameSpace?: string ): TSelector {

		let
			that: TbSelector = this,
			set: Set<any> = new Set()
		;

		that.#set.forEach( (e: any) => {
			e.parents( nameSpace ).forEach( ( tb: any ) => {
				set.add( tb );
			});
		});

		that.#set = set;

		return that;
	}

	prev( nameSpace?: string ): TSelector{

		let
			that: TbSelector = this,
			set: Set<any> = new Set()
		;

		that.#set.forEach( (e: any) => {
			let
				elements: Set<HTMLElement> = new Set(),
				element: HTMLElement
			;

			element = (e as any)._tg;
			while ( element.previousElementSibling !== null ){
				element = element.previousElementSibling as HTMLElement;
				elements.add( element );
			}

			$t([...elements])
				.$d()
				.last()
				.$t()
				.forEach( (tb: any) => {
					set.add( tb );
				});
		});

		that.#set = set;

		if ( nameSpace ){
			that.filter( ( e: any ) => ( e as LooseObject).nameSpace = nameSpace );
		}

		return that;
	}

	trigger( ev: string, data: any = {}, bubble: string = 'l' ): TSelector{
		let
			that = this
		;

		that.forEach( ( tb: any ) => {
			tb.trigger( ev, data, bubble );
		});

		return that;
	}

	/*
	array method mapping
	*/

	at( index: number ): TSelector {
		return $t( this.array.at( index ) ) as TbSelector;
	}

	concat( items: TSelector ): TSelector {

		let
			that = this
		;

		items.forEach( ( tb: any) => {
			that.#set.add( tb );
		});

		return that;
	}

	entries(): IterableIterator<[number, any]> {
		return this.array.entries();
	}

	every( predicate: (value: any, index: number, array: any[]) => unknown, thisArg?: any ): boolean {
		return this.array.every( predicate, thisArg );
	}

	filter( predicate: (value: any, index: number, array: any[]) => unknown, thisArg?: any ): TSelector {
		return $t( this.array.filter( predicate, thisArg ) );
	}

	forEach( predicate: (value: any, index: number, array: any[]) => unknown, thisArg?: any ): TSelector {
		let
			that = this
		;
		that.array.forEach( predicate, thisArg );
		return that;
	}

	includes( item: any ): boolean{
		return this.array.indexOf( item ) !== -1;
	}

	indexOf( item: any, start?: number ): number{
		return this.array.indexOf( item, start );
	}

	map( predicate: (value: any, index: number, array: any[]) => unknown, thisArg?: any ): Array<any>{
		return this.array.map( predicate, thisArg );
	}

	pop(): any {

		let
			that = this,
			arr = that.array,
			result = arr.pop()
		;

		that.#set = new Set( arr );

		return result as any;
	}

	push( item: any ): TSelector {
		let
			that = this
		;
		that.#set.add( item );
		return that;
	}

	shift(): any | undefined {
		let
			that = this,
			first = this.array.shift() as any
		;
		that.#set.delete( first );
		return first;
	}

	slice( start: number, end?: number ): TSelector {
		return $t( this.array.slice( start, end ) );
	}

	some( predicate: (value: any, index: number, array: any[]) => unknown, thisArg?: any ): boolean{
		return this.array.some( predicate, thisArg );
	}

	splice( start: number, deleteCount?: number | undefined ): TSelector;
	splice( start: number, deleteCount: number, ...items: never[] ): TSelector {
		let
			that = this,
			arr = that.array,
			result = arr.splice( start, deleteCount, ...items )
		;

		return $t( result );
	}

}

export interface TSelector extends TbSelector{};

export const $d = ( selection: selection, element: any = document ): DSelector => {

	let
		set = new Set<HTMLElement>()
	;

	if ( selection instanceof Array ){
		selection.forEach( value => {
			$d( value, element ).forEach( n => {
				set.add( n );
			});
		});
		return new DomSelector( [...set] );
	} else {
		return new DomSelector( selection, element );
	}
}

export const $t = ( selection?: selection, element: any = document ): TSelector => {
	return $d( selection, element ).$t();
}

export type singleSelector = string | ShadowRoot | HTMLElement | HTMLElement[] | HTMLCollection | NodeList | DSelector | MC | DC | TSelector | undefined;

export type selection = singleSelector | singleSelector[];