First Commit. Duplicate bunext-sqlite preset

src/utils/validate-password.ts

@@ -0,0 +1,29 @@
+import { AppData } from "@/src/data/app-data";
+
+type Params = {
+    password?: string;
+};
+
+/**
+ * Returns a user-facing error message, or `undefined` when the
+ * password is acceptable.
+ */
+export default function validatePassword({ password }: Params) {
+    if (!password) {
+        return `Please enter a password`;
+    }
+
+    if (password.length < AppData["PasswordMinLength"]) {
+        return `Passwords must be at least ${AppData["PasswordMinLength"]} characters`;
+    }
+
+    if (password.length > AppData["PasswordMaxLength"]) {
+        return `Passwords can't be longer than ${AppData["PasswordMaxLength"]} characters`;
+    }
+
+    if (!password.trim()) {
+        return `Passwords can't be only spaces`;
+    }
+
+    return undefined;
+}