svelte/sites/svelte.dev/src/lib/db/client.js

import { dev } from '$app/environment';
import { SUPABASE_URL, SUPABASE_KEY } from '$env/static/private';
import { createClient } from '@supabase/supabase-js';

export const client =
	(!dev || (SUPABASE_URL && SUPABASE_KEY)) &&
	createClient(SUPABASE_URL, SUPABASE_KEY, {
		global: { fetch },
		auth: { persistSession: false }
	});