Get active TCF data overview

tcf.js

// Execute in browser's JS console

(function () {
  /* 1.  Is a TCF CMP present? */
  if (typeof window.__tcfapi !== 'function') {
    console.warn('⚠️  No __tcfapi on this page – either no CMP, it is still booting, or the site only exposes GPP (__gpp).');
    return;
  }

  /* 2.  Ping the CMP for basic status ...................................... */
  __tcfapi('ping', 2, (ping, ok) => { 
    if (!ok) { console.error('ping failed'); return; }

    console.table(ping);                // inspect cmpStatus, gdprApplies …
    /* TCF policy version logic
         2 → TCF 2.0 / 2.1
         4 → TCF 2.2  (latest)                                          */
    if (ping.tcfPolicyVersion >= 4) {
      console.log(`✅ CMP runs TCF 2.2 (policy v${ping.tcfPolicyVersion})`);
    } else {
      console.log(`ℹ️ CMP is on policy v${ping.tcfPolicyVersion} (TCF 2.0/2.1)`);
    }

    /* 3.  Get the full TCData once the string is loaded .................... */
    __tcfapi('getTCData', 2, (tc, ok) => {
      if (!ok) { console.error('getTCData failed'); return; }

      /* ——— vendor IDs the user has consented to ——— */
      const consentedIds = Object.entries(tc.vendor.consents)
                                 .filter(([, yes]) => yes)
                                 .map(([id]) => +id);

      console.log('🟢 Vendor IDs with consent:', consentedIds);

      /* 4.  (optional) Map IDs ➜ readable names by pulling the vendor list */
      __tcfapi('getVendorList', 2, (gvl, ok) => {
        if (!ok) { console.warn('Could not retrieve Global Vendor List'); return; }

        const withNames = consentedIds.map(id => ({
          id,
          name: gvl.vendors[id]?.name || '(unknown)'
        }));
        console.table(withNames);
      }, 'LATEST');       // many CMPs accept the literal string "LATEST"
    });
  });
})();