57 lines
1.4 KiB
JavaScript
57 lines
1.4 KiB
JavaScript
"use strict";
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import WbDb from "/data/db.js";
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export default class Layout {
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#db = WbDb.get();
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#dbErrorsHandled = false;
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constructor() {
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this.#db.addEventListener(WbDb.EVENT_CHANGE, () => {
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if (!this.#dbErrorsHandled) {
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this.#db.addEventListener("error", this.#handleDbError.bind(this));
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this.#dbErrorsHandled = true;
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}
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m.redraw();
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});
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if (this.#db.open && !this.#dbErrorsHandled) {
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this.#db.addEventListener("error", this.#handleDbError.bind(this));
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this.#dbErrorsHandled = true;
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}
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}
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#handleDbError(error) {
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console.error("database error", error);
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}
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view({ children, attrs: { backHref }}) {
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if (this.#db.failed)
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return m.fragment([
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m("h1", "Watterblock kann nicht geöffnet werden"),
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m("p", "Die IndexedDB-Verbindung funktioniert gerade nicht"),
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]);
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if (this.#db.blocked)
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return m.fragment([
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m("h1", "Watterblock muss warten"),
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m("p",
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"Bitte schließe alle anderen Tabs, in denen der Watterblock " +
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"geöffnet ist"
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),
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m("p", "Die Spieledatenbank muss aktualisiert werden."),
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]);
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if (!this.#db.open)
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return m("p", "Öffne Datenbank, bitte warten…");
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return m.fragment([
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m("header.header._alternate._apply", [
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backHref ? m(m.route.Link, { href: backHref }, "←") : null,
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m("h1", "Watterblock"),
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]),
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m("main.main", children),
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]);
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}
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}
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