const authCode = new URL(document.location).searchParams.get('code') if(typeof authCode !== undefined) { fetch('https://crss-api.theclashfruit.workers.dev/login', { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify({ authCode: authCode }) }) .then(res => res.json()) .then(res => { localStorage.setItem('token', res.access_token) localStorage.setItem('refresh', res.refresh_token) }) }