Add src/server/api_nominatim.ts

src/server/api_nominatim.ts

@@ -0,0 +1,16 @@
+
+export function nominatim_get_data(id: string, bb: string[][] | null = null): Promise<any> {
+    if (!id) return Promise.resolve([])
+
+    const url = new URL("https://nominatim.openstreetmap.org/search");
+    url.searchParams.append('format', 'jsonv2')
+    url.searchParams.append('q', id)
+    if (bb) {
+        url.searchParams.append('viewbox', `${bb[0][0]},${bb[0][1]},${bb[1][0]},${bb[1][1]}`)
+        url.searchParams.append('bounded', `1`)
+    }
+    return fetch(url).then((res) => {
+        if (!res.ok) throw new Error("Nominatim Error")
+        return res.json()
+    })
+}