customElements.define('oswilno-price', class extends HTMLElement {
	constructor() {
		super();
		this.attachShadow({ mode: 'open' });
	}
	connectedCallback() {
		let shadow = this.shadowRoot;
		let price = parseInt(this.getAttribute('price'));
		if (isNaN(price)) price = 0;
		const multiplier = parseInt(this.getAttribute('multiplier'));
		let major = price;
		let minor = 0;
		if (!isNaN(multiplier)) {
			major = Math.floor(price / multiplier);
			minor = price % multiplier;
		}
		const currency = this.getAttribute('currency') || 'PLN';
		shadow.innerHTML = `<style>:host{display:block;}</style><div>${major}.${minor >= 10 ? minor : minor + '0'} ${ currency }</div>`;
	}
});