closeDubTabs

closeDubTabs.js

var getWindows = new Promise(function(resolve) {
    chrome.windows.getAll(function(windows) {
        resolve(windows);
    });
});

var getTabs = function(window) {
    
    var p = new Promise(function(resolve) {
        chrome.tabs.getAllInWindow(window.id, function(tabs) {
            resolve(tabs);
        });
    });
    
    return p;
};

var closeTab = function(tab){
    var p = new Promise(function(resolve){
        chrome.tabs.remove(tab.id, function(){
            resolve();
        });
    });
    return p;
}


getWindows
.then(function(windows) {
    return Promise.all(windows.map(getTabs));
})
.then(function(tabGroups) {
    return Array.prototype.concat.apply([], tabGroups);
})
.then(function(allTabs) {
    var urls = {};
    var toClose = [];
     allTabs.forEach(function(tab) {
        if (urls.hasOwnProperty(tab.url)) {
            toClose.push(tab);
        } else {
            urls[tab.url] = true;
        }
    });
    return toClose;
})
.then(function (toCloseTabs){
    return Promise.all(toCloseTabs.map(closeTab));
})