app/controllers/search.js

@@ -176,6 +176,18 @@ export default class SearchController extends Controller {
       return saved || p;
     });
 
+    // A search with results is a restorable context (e.g. for "up" navigation
+    // from place details). Empty searches are intentionally not restorable, so
+    // they don't reopen an invisible "no results" drawer later on.
+    if (pois.length > 0) {
+      this.mapUi.currentSearch = {
+        q: params.q,
+        category: params.category,
+        lat: params.lat,
+        lon: params.lon,
+      };
+    }
+
     const targetName = params.selected || params.q;
 
     if (targetName && pois.length > 0) {

app/routes/search.js

@@ -24,10 +24,6 @@ export default class SearchRoute extends Route {
 
     // Trigger the background task to fetch results
     controller.fetchResultsTask.perform(model);
-
-    // Store current search params to allow "Up" navigation from place details
-    const { q, category, lat, lon } = this.paramsFor('search');
-    this.mapUi.currentSearch = { q, category, lat, lon };
   }
 
   resetController(controller, isExiting) {

app/templates/application.gjs

@@ -72,6 +72,9 @@ export default class ApplicationComponent extends Component {
         } else {
           this.router.transitionTo('index');
         }
+      } else if (name === 'search' && this.mapUi.searchResults.length === 0) {
+        // An empty search has no markers worth keeping, so clear the route
+        this.router.replaceWith('index');
       }
     }
   }

app/templates/search.gjs

@@ -18,14 +18,20 @@ export default class SearchTemplate extends Component {
       this.mapUi.showSidebar();
       this.mapUi.preventNextZoom = true;
       // We don't need to manually set currentSearch here because
-      // it was already set in the route's setupController
+      // it was already set in the search controller
       this.router.transitionTo('place', place);
     }
   }
 
   @action
   close() {
-    this.mapUi.hideSidebar();
+    // With no results there is nothing to keep around (no map markers), so
+    // dismissing the drawer clears the search route entirely.
+    if (this.mapUi.searchResults.length === 0) {
+      this.router.replaceWith('index');
+    } else {
+      this.mapUi.hideSidebar();
+    }
   }
 
   <template>

tests/acceptance/navigation-test.js

@@ -129,4 +129,47 @@ module('Acceptance | navigation', function (hooks) {
       backStub.restore();
     }
   });
+
+  test('an empty search is not restored when navigating back from a place', async function (assert) {
+    const mapUi = this.owner.lookup('service:map-ui');
+
+    // Nearby search that yields no results, but with a fetchable place
+    this.owner.register(
+      'service:osm',
+      class extends Service {
+        async getNearbyPois() {
+          return [];
+        }
+        async fetchOsmObject(id, type) {
+          return {
+            osmId: id,
+            osmType: type,
+            lat: 1,
+            lon: 1,
+            osmTags: { name: 'Test Place', amenity: 'cafe' },
+            title: 'Test Place',
+          };
+        }
+      }
+    );
+
+    await visit('/search?lat=1&lon=1');
+    assert.strictEqual(
+      mapUi.currentSearch,
+      null,
+      'Empty search is not restorable'
+    );
+
+    // Simulate opening a place while the (empty) search route is active
+    mapUi.returnToSearch = true;
+
+    await visit('/place/osm:node:123');
+    await click('.back-btn');
+
+    assert.strictEqual(
+      currentURL(),
+      '/',
+      'Back navigation does not reopen the empty search'
+    );
+  });
 });

tests/acceptance/search-test.js

@@ -1,5 +1,5 @@
 import { module, test } from 'qunit';
-import { visit, currentURL } from '@ember/test-helpers';
+import { visit, currentURL, click } from '@ember/test-helpers';
 import { setupApplicationTest } from 'marco/tests/helpers';
 import Service from '@ember/service';
 
@@ -342,4 +342,46 @@ module('Acceptance | search', function (hooks) {
       .dom('.search-input')
       .hasValue('', 'Search input is cleared on transitioning to index');
   });
+
+  test('closing the drawer clears the search route when there are no results', async function (assert) {
+    class MockPhotonService extends Service {
+      async search() {
+        return [];
+      }
+    }
+    this.owner.register('service:photon', MockPhotonService);
+
+    class MockStorageService extends Service {
+      savedPlaces = [];
+      findPlaceById() {
+        return null;
+      }
+      isPlaceSaved() {
+        return false;
+      }
+      rs = { on: () => {} };
+      placesInView = [];
+      loadPlacesInBounds() {
+        return Promise.resolve();
+      }
+    }
+    this.owner.register('service:storage', MockStorageService);
+
+    const mapUi = this.owner.lookup('service:map-ui');
+
+    await visit('/search?q=nowhere');
+
+    assert.dom('.empty-state').hasText('No results found.');
+    assert.strictEqual(
+      mapUi.currentSearch,
+      null,
+      'An empty search is not kept as a restorable search context'
+    );
+
+    await click('.close-btn');
+
+    assert.dom('.sidebar').doesNotExist('Sidebar should be closed');
+    assert.strictEqual(currentURL(), '/', 'Search route is cleared');
+    assert.strictEqual(mapUi.searchResults.length, 0, 'Results are cleared');
+  });
 });