cyp/app/js/component.js

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import Selection from "./selection.js";
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export class HasApp extends HTMLElement {
get _app() { return this.closest("cyp-app"); }
get _mpd() { return this._app.mpd; }
}
export default class Component extends HasApp {
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constructor(options = {}) {
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super();
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if (options.selection) { this.selection = new Selection(this, options.selection); }
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}
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connectedCallback() {
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this._app.addEventListener("load", _ => this._onAppLoad());
this._app.addEventListener("component-change", _ => {
const component = this._app.getAttribute("component");
const isThis = (this.nodeName.toLowerCase() == `cyp-${component}`);
this._onComponentChange(component, isThis);
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});
}
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_onAppLoad() {}
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_onComponentChange(_component, _isThis) {}
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}