deploy

frontend/src/lib/url-state.test.ts

@@ -99,6 +99,45 @@ describe('url-state', () => {
     expect(params.getAll('tt')).toEqual(['bicycle:bank:Bank:5:25']);
   });
 
+  it('deduplicates travel-time URL params with the tightest range', () => {
+    window.history.replaceState(
+      {},
+      '',
+      '/?tt=transit:bank-tube-station:Bank:0:60&tt=transit:bank-tube-station:Bank:10:45'
+    );
+
+    const state = parseUrlState();
+
+    expect(state.travelTime?.entries).toEqual([
+      {
+        mode: 'transit',
+        slug: 'bank-tube-station',
+        label: 'Bank',
+        timeRange: [10, 45],
+        useBest: false,
+      },
+    ]);
+
+    const params = stateToParams(null, {}, [], new Set(), 'area', [
+      {
+        mode: 'transit',
+        slug: 'bank-tube-station',
+        label: 'Bank',
+        useBest: false,
+        timeRange: [0, 60],
+      },
+      {
+        mode: 'transit',
+        slug: 'bank-tube-station',
+        label: 'Bank',
+        useBest: false,
+        timeRange: [10, 45],
+      },
+    ]);
+
+    expect(params.getAll('tt')).toEqual(['transit:bank-tube-station:Bank:10:45']);
+  });
+
   it('round-trips an explicitly empty POI selection', () => {
     const params = stateToParams(null, {}, [], new Set(), 'area');