11cb0ef41Sopenharmony_ciself.addEventListener('message', e => {
21cb0ef41Sopenharmony_ci  URL.revokeObjectURL(e.data.url);
31cb0ef41Sopenharmony_ci  // Registering a new object URL will make absolutely sure that the revocation
41cb0ef41Sopenharmony_ci  // has propagated. Without this at least in chrome it is possible for the
51cb0ef41Sopenharmony_ci  // below postMessage to arrive at its destination before the revocation has
61cb0ef41Sopenharmony_ci  // been fully processed.
71cb0ef41Sopenharmony_ci  URL.createObjectURL(new Blob([]));
81cb0ef41Sopenharmony_ci  self.postMessage('revoked');
91cb0ef41Sopenharmony_ci});
10