fix: offline

Now, rather than crashing, there's just no default.

src/islands/StateSelector.tsx

@@ -7,7 +7,7 @@ import { IconCheck, IconChevronDown } from "../utils/icons.ts";
 import { tw } from "../utils/tailwind.ts";
 
 export interface StateSelectorProps {
-  currentState: State;
+  currentState?: State | undefined;
 }
 
 export function StateSelector({

src/routes/calculator.tsx

@@ -6,14 +6,14 @@ import { Meta } from "../components/Meta.tsx";
 import { StateSelector } from "../islands/StateSelector.tsx";
 import { type State, type StateData, stateData } from "../utils/calc.ts";
 import type { FreshContextHelper } from "../utils/handlers.ts";
-import { getIPLocation } from "../utils/ip.ts";
+import { getIpLocation } from "../utils/ip.ts";
 import { isKey } from "../utils/type-helpers.ts";
 
 export type CalculatorProps = CalculatorSearchProps | CalculatorShowProps;
 
 export interface CalculatorSearchProps {
   state: "search";
-  region: State;
+  region: State | undefined;
 }
 
 export interface CalculatorShowProps {
@@ -31,14 +31,14 @@ export const handler: Handlers = {
     req: Request,
     ctx: FreshContextHelper<CalculatorProps>,
   ): Promise<Response> {
-    const visitor = await getIPLocation(ctx.remoteAddr.hostname);
+    const visitor = await getIpLocation(ctx.remoteAddr.hostname);
 
     const url = new URL(req.url);
     const state = url.searchParams.get("region");
     if (state === null) {
       return ctx.render({
         state: "search",
-        region: visitor.region,
+        region: visitor?.region,
       });
     }
 

src/utils/ip.ts

@@ -21,18 +21,22 @@ let serverIp: string | undefined;
 /**
  * Get details about an IP from the <https://ipapi.co> API.
  */
-export async function getIPLocation(ip?: string): Promise<Geo> {
-  let currentIP: string | undefined;
-  if (["127.0.0.1", undefined].includes(ip)) {
-    if (serverIp === undefined) {
-      serverIp = (await getIp()).ip;
+export async function getIpLocation(ip?: string): Promise<Geo | undefined> {
+  try {
+    let currentIP: string | undefined;
+    if (["127.0.0.1", undefined].includes(ip)) {
+      if (serverIp === undefined) {
+        serverIp = (await getIp()).ip;
+      }
+      currentIP = serverIp;
+    } else {
+      currentIP = ip;
     }
-    currentIP = serverIp;
-  } else {
-    currentIP = ip;
-  }
 
-  return await makeRequest(`${geoEndpoint}/${currentIP}/json/`, geoSchema);
+    return makeRequest(`${geoEndpoint}/${currentIP}/json/`, geoSchema);
+  } catch {
+    return undefined;
+  }
 }
 
 /**