How to get http headers from opened window?

[dexcel...@gmail.com]

Let's say i open a website in new window using code like this

var win = gui.Window.open('https://github.com');

How do i get the http response headers from github in win object? 

Thank you.

[feli...@tweakstyle.com]

You can use chrome webrequest API, available in NWJS since v0.12.0

The following snippet will log all responseHeaders from all requests (including css, js, ...):

chrome.webRequest.onResponseStarted.addListener(
    function(details) { // https://developer.chrome.com/extensions/webRequest#event-onResponseStarted
        console.log(details.responseHeaders);
    },
    {urls: ["<all_urls>"]}, // filter: change this to catch only request(s) you're interested in https://developer.chrome.com/extensions/webRequest#subscription
    ["responseHeaders"] // extra options. "responseHeaders" option is required to get responseHeaders in details object
); 

var win = gui.Window.open('https://github.com');

[Pier Bover]

Is it possible to use the Chrome app api too in NWJS?

For example chrome.usb?

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[Félicien Francois]

For now only a few Chrome App APIs are available in NWJS (webview and webrequest since 0.12.0).

More APIs may be oppened in next releases https://github.com/nwjs/nw.js/issues/518

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[Pier Bover]

Thanks Felicien.

It would be awesome if we had bluetooth, serial, and usb capabilities in nwjs.