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feat: app/ui project core (ported as is) and the Assets project list; features get named services; fixes a test that leaked a pending save into the next

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digital-garbage
2026-10-03 19:01:47 +03:00
parent 8507e475ed
commit bd8ad114fc
11 changed files with 1152 additions and 15 deletions
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app/ui/shell/features.js
+6 -5
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@@ -1,31 +1,32 @@
// Loads UI features. A feature file's default export is one hub, or several:
// { id, mount, needs?, setup({ host }) -> teardown? }
// { id, mount, needs?, setup({ host, app }) -> teardown? }
// `mount` names a region (see mounts.js). A feature that cannot load, names a region nobody offers,
// needs a service the app lacks, or throws in setup is hidden -- nothing of it reaches the screen.
import { hostFor, offered } from "./mounts.js";
function mountOne(hub, has) {
function mountOne(hub, has, app) {
const host = hostFor(hub.mount);
if (!host) throw new Error(`no region offers "${hub.mount}" (offered: ${offered().join(", ")})`);
const lacking = (hub.needs || []).filter((name) => !has(name));
if (lacking.length) throw new Error(`needs ${lacking.join(", ")}`);
const before = [...host.childNodes];
try {
return { id: hub.id, teardown: hub.setup({ host }) };
return { id: hub.id, teardown: hub.setup({ host, app }) };
} catch (err) { // whatever it put on the page goes with it
[...host.childNodes].filter((n) => !before.includes(n)).forEach((n) => n.remove());
throw err;
}
}
export async function loadFeatures(paths, { load = (path) => import(path), has = () => true } = {}) {
// `app` is what the core offers features (project, ...). A feature names what it needs; a missing one hides it.
export async function loadFeatures(paths, { load = (path) => import(path), app = {}, has = (name) => name in app } = {}) {
const mounted = [], hidden = [];
const hide = (id, err) => { hidden.push({ id, why: err.message }); console.warn(`[FunPack] ${id} hidden: ${err.message}`); };
for (const path of paths) {
let hubs;
try { hubs = [].concat((await load(path)).default); } catch (err) { hide(path, err); continue; }
for (const hub of hubs) {
try { mounted.push(mountOne(hub, has)); } catch (err) { hide(hub?.id || path, err); }
try { mounted.push(mountOne(hub, has, app)); } catch (err) { hide(hub?.id || path, err); }
}
}
return { mounted, hidden };