ui-next: page registration (#1159)

examples/plugins/ui-next-plugin/package.json

@@ -0,0 +1,12 @@
+{
+  "name": "@hydrooj/ui-next-plugin",
+  "version": "0.0.0",
+  "author": "Baoshuo <i@baoshuo.ren>",
+  "license": "AGPL-3.0",
+  "hydro": {
+    "cli": false
+  },
+  "dependencies": {
+    "@hydrooj/ui-next": "workspace:*"
+  }
+}

examples/plugins/ui-next-plugin/ui/index.tsx

@@ -0,0 +1,9 @@
+import type { PluginAPI } from '@hydrooj/ui-next';
+
+export function setup(api: PluginAPI) {
+    api.before('page:app', () => {
+        console.log('before app');
+        // throw new Error('test error boundary in before interceptor');
+        return <div>before app via @hydrooj/ui-next-plugin-sample</div>;
+    });
+}