in src/background.js [306:333]
async function maybeReopenTab (url, tab, request) {
const macAssigned = await getMACAssignment(url);
if (macAssigned) {
// We don't reopen MAC assigned urls
return;
}
const cookieStoreId = await shouldContainInto(url, tab);
if (!cookieStoreId) {
// Tab doesn't need to be contained
return;
}
if (request && shouldCancelEarly(tab, request)) {
// We need to cancel early to prevent multiple reopenings
return {cancel: true};
}
await browser.tabs.create({
url,
cookieStoreId,
active: tab.active,
index: tab.index,
windowId: tab.windowId
});
browser.tabs.remove(tab.id);
return {cancel: true};
}