Module now exports functions that check if a password is strong enough and equal to a potential confirmation field

ref #106

src/components/settings/Settings.svelte

@@ -4,7 +4,7 @@
   import { MeService } from "@odit/lfk-client-js";
   import Toastify from "toastify-js";
   import ConfirmProfileDeletion from "./ConfirmProfileDeletion.svelte";
-  import PasswordStrength from "../auth/PasswordStrength.svelte";
+  import PasswordStrength, {password_strong_enough_and_equal} from "../auth/PasswordStrength.svelte";
   $: data_loaded = false;
   $: delete_triggered = false;
   $: original_data = {};
@@ -16,8 +16,7 @@
     JSON.stringify(editable) === JSON.stringify(original_data)
   );
   $: save_enabled = changes_performed && isEmail(editable.email);
-  $: update_password_enabled =
-    password_change.length > 0 && password_change === password_confirm;
+  $: update_password_enabled = password_strong_enough_and_equal(password_change, password_confirm);
   const user_promise = MeService.meControllerGet().then((data) => {
     data_loaded = true;
     data.groups = data.groups.map((g) => g.id);