feat: voting averages

src/core/blitz/isValidBlitzId.ts

@@ -0,0 +1,32 @@
+import { Region } from '../../constants/regions';
+import { WARGAMING_APPLICATION_ID } from '../../constants/wargamingApplicationID';
+import { idToRegion } from './idToRegion';
+
+export async function isValidBlitzId(id: number, token?: string) {
+  let region: Region;
+
+  try {
+    region = idToRegion(id);
+  } catch (error) {
+    return false;
+  }
+
+  const json = await fetch(
+    `https://api.wotblitz.com/wotb/account/info/?account_id=${
+      id
+    }&application_id=${WARGAMING_APPLICATION_ID}${
+      token === undefined ? '' : `&access_token=${token}`
+    }&fields=account_id%2C-account_id`,
+  ).then(
+    (response) =>
+      response.json() as Promise<
+        | {
+            status: 'ok';
+            data: Record<number, {} | null>;
+          }
+        | { status: 'error' }
+      >,
+  );
+
+  return json.status === 'ok' && json.data[id] !== null;
+}