feat: update checker

apps/expo/src/lib/update.ts

@@ -0,0 +1,46 @@
+import * as Application from "expo-application";
+import { Octokit } from "@octokit/rest";
+
+function isVersionHigher(newVersion: string, currentVersion: string): boolean {
+  const parseVersion = (version: string) =>
+    version
+      .replace(/^v/, "")
+      .split(".")
+      .map((part) => parseInt(part, 10));
+
+  const newParts = parseVersion(newVersion);
+  const currentParts = parseVersion(currentVersion);
+  const maxLength = Math.max(newParts.length, currentParts.length);
+
+  for (let i = 0; i < maxLength; i++) {
+    const newPart = newParts[i] ?? 0;
+    const currentPart = currentParts[i] ?? 0;
+
+    if (newPart !== currentPart) {
+      return newPart > currentPart;
+    }
+  }
+
+  return false;
+}
+
+export async function checkForUpdate(): Promise<string | undefined> {
+  const octokit = new Octokit();
+
+  const res = await octokit.repos
+    .getLatestRelease({
+      owner: "movie-web",
+      repo: "native-app",
+    })
+    .catch(() => undefined);
+
+  if (!res) return;
+
+  const latestVersion: string = res.data.tag_name;
+  const currentVersion: string =
+    Application.nativeApplicationVersion ?? "0.0.0";
+
+  if (isVersionHigher(latestVersion, currentVersion)) {
+    return res.data.html_url;
+  }
+}