glowing-fiesta-original/app/stores/auth.ts

import { defineStore } from "pinia";
import { ref, computed } from "vue";
import { createAuthClient } from "better-auth/vue";

const authClient = createAuthClient();

export const useAuthStore = defineStore("useAuthStore", () => {
  const session = ref<Awaited<ReturnType<typeof authClient.useSession>> | null>(null);
  const lastError = ref<string | undefined>(undefined);

  async function init() {
    const data = await authClient.useSession(useFetch);
    session.value = data;
    lastError.value = undefined;
  }

  const user = computed(() => session.value?.data?.user);
  const loading = computed(() => session.value?.isPending);

  async function signIn(email: string, password: string) {
    const { error } = await authClient.signIn.email({
      email,
      password,
      callbackURL: "/",
    });

    if (error) {
      lastError.value = error.message;
    }
  }

  async function signOut() {
    await authClient.signOut({});
    navigateTo("/");
  }

  return {
    init,
    lastError,
    loading,
    signIn,
    signOut,
    user,
  };
});