Add part3

part3/phonebook/node_modules/simple-update-notifier/src/hasNewVersion.ts

@@ -0,0 +1,40 @@
+import semver from 'semver';
+import { createConfigDir, getLastUpdate, saveLastUpdate } from './cache';
+import getDistVersion from './getDistVersion';
+import { IUpdate } from './types';
+
+const hasNewVersion = async ({
+  pkg,
+  updateCheckInterval = 1000 * 60 * 60 * 24,
+  distTag = 'latest',
+  alwaysRun,
+  debug,
+}: IUpdate) => {
+  createConfigDir();
+  const lastUpdateCheck = getLastUpdate(pkg.name);
+  if (
+    alwaysRun ||
+    !lastUpdateCheck ||
+    lastUpdateCheck < new Date().getTime() - updateCheckInterval
+  ) {
+    const latestVersion = await getDistVersion(pkg.name, distTag);
+    saveLastUpdate(pkg.name);
+    if (semver.gt(latestVersion, pkg.version)) {
+      return latestVersion;
+    } else if (debug) {
+      console.error(
+        `Latest version (${latestVersion}) not newer than current version (${pkg.version})`
+      );
+    }
+  } else if (debug) {
+    console.error(
+      `Too recent to check for a new update. simpleUpdateNotifier() interval set to ${updateCheckInterval}ms but only ${
+        new Date().getTime() - lastUpdateCheck
+      }ms since last check.`
+    );
+  }
+
+  return false;
+};
+
+export default hasNewVersion;