More changes than expected. Mobile version improvements & PWA

2026-05-20 22:28:17 +02:00
parent 7b288d33cb
commit 2eff93e66a
118 changed files with 13780 additions and 209 deletions
@@ -0,0 +1,38 @@
+export function haversineKm(lat1, lon1, lat2, lon2) {
+  const R = 6371;
+  const dLat = ((lat2 - lat1) * Math.PI) / 180;
+  const dLon = ((lon2 - lon1) * Math.PI) / 180;
+  const a =
+    Math.sin(dLat / 2) ** 2 +
+    Math.cos((lat1 * Math.PI) / 180) *
+      Math.cos((lat2 * Math.PI) / 180) *
+      Math.sin(dLon / 2) ** 2;
+  return R * 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
+}
+
+export function getUserPosition() {
+  return new Promise((resolve, reject) => {
+    if (!navigator.geolocation) {
+      reject(new Error('Geolocation not supported by this browser'));
+      return;
+    }
+    if (typeof window !== 'undefined' && window.isSecureContext === false) {
+      reject(new Error('Geolocation requires HTTPS (or localhost)'));
+      return;
+    }
+    navigator.geolocation.getCurrentPosition(
+      pos => resolve({ lat: pos.coords.latitude, lon: pos.coords.longitude }),
+      err => {
+        console.error('[geo] getCurrentPosition failed — code:', err && err.code, 'message:', err && err.message);
+        reject(err);
+      },
+      { timeout: 15000, maximumAge: 60000, enableHighAccuracy: false }
+    );
+  });
+}
+
+export function formatDistance(km) {
+  if (km < 1) return `${Math.round(km * 1000)} m`;
+  if (km < 10) return `${km.toFixed(1)} km`;
+  return `${Math.round(km)} km`;
+}