login with supabase working

src/lib/stores/auth.js

@@ -0,0 +1,72 @@
+import { writable } from 'svelte/store';
+import { supabase } from '../supabase.js';
+
+function createAuthStore() {
+  const { subscribe, set, update } = writable({
+    user: null,
+    loading: true,
+    error: null,
+  });
+
+  function setSession(session) {
+    const user = session?.user ?? null;
+    set({
+      user,
+      loading: false,
+      error: null,
+    });
+  }
+
+  return {
+    subscribe,
+    init: async () => {
+      try {
+        const { data: { session } } = await supabase.auth.getSession();
+        setSession(session);
+      } catch (e) {
+        set({ user: null, loading: false, error: e?.message ?? 'Auth error' });
+      }
+      supabase.auth.onAuthStateChange((_event, session) => {
+        setSession(session);
+      });
+    },
+    login: async (email, password) => {
+      update((s) => ({ ...s, error: null }));
+      try {
+        const { error } = await supabase.auth.signInWithPassword({ email, password });
+        if (error) {
+          update((s) => ({ ...s, error: error.message }));
+          return false;
+        }
+        update((s) => ({ ...s, error: null }));
+        return true;
+      } catch (e) {
+        update((s) => ({ ...s, error: e?.message ?? 'Login failed' }));
+        return false;
+      }
+    },
+    register: async (email, password) => {
+      update((s) => ({ ...s, error: null }));
+      try {
+        const { data, error } = await supabase.auth.signUp({ email, password });
+        if (error) {
+          update((s) => ({ ...s, error: error.message }));
+          return { success: false };
+        }
+        update((s) => ({ ...s, error: null }));
+        const needsConfirmation = data?.user && !data?.session;
+        return { success: true, needsConfirmation, data };
+      } catch (e) {
+        update((s) => ({ ...s, error: e?.message ?? 'Registration failed' }));
+        return { success: false };
+      }
+    },
+    logout: async () => {
+      await supabase.auth.signOut();
+      set({ user: null, loading: false, error: null });
+    },
+    clearError: () => update((s) => ({ ...s, error: null })),
+  };
+}
+
+export const auth = createAuthStore();