feat: (broken) implement route map and address autocomplete widgets with associated infrastructure testing scripts

2026-06-05 11:10:32 +02:00
parent 8c01a21728
commit 21d7bc8b87
40 changed files with 21078 additions and 30 deletions
@@ -0,0 +1,45 @@
+const encoded = "qospGlrrB";
+
+function safeDecodePolyline(encoded) {
+    let index = 0, len = encoded.length;
+    let lat = 0, lng = 0;
+    const poly = [];
+
+    while (index < len) {
+        let b, shift = 0, result = 0;
+        do {
+            if (index >= len) break;
+            b = encoded.charCodeAt(index++) - 63;
+            result |= (b & 0x1f) << shift;
+            shift += 5;
+        } while (b >= 0x20);
+        let dlat = ((result & 1) !== 0 ? ~(result >> 1) : (result >> 1));
+        lat += dlat;
+
+        shift = 0;
+        result = 0;
+        do {
+            if (index >= len) break;
+            b = encoded.charCodeAt(index++) - 63;
+            result |= (b & 0x1f) << shift;
+            shift += 5;
+        } while (b >= 0x20);
+        let dlng = ((result & 1) !== 0 ? ~(result >> 1) : (result >> 1));
+        lng += dlng;
+
+        poly.push([lat / 1e5, lng / 1e5]);
+    }
+    return poly;
+}
+
+const pts = safeDecodePolyline(encoded);
+console.log("Decoded", pts.length, "points.");
+for(let i=0; i<5 && i<pts.length; i++) {
+    console.log(pts[i]);
+}
+if(pts.length > 5) {
+    console.log("...");
+    for(let i=pts.length-5; i<pts.length; i++) {
+        console.log(pts[i]);
+    }
+}