cyp/app/js/elements/menu.js

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import Component from "../component.js";
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class Menu extends Component {
constructor() {
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super();
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this._tabs = Array.from(this.querySelectorAll("[data-for]"));
this._tabs.forEach(tab => {
tab.addEventListener("click", _ => this._activate(tab.dataset.for));
});
}
async _activate(component) {
const app = await this._app;
app.setAttribute("component", component);
}
_onComponentChange(component) {
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this._tabs.forEach(/** @param {HTMLElement} tab */ tab => {
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tab.classList.toggle("active", tab.dataset.for == component);
});
}
}
customElements.define("cyp-menu", Menu);