Best way to get extension version?

[Nige]

Hi all

What is the best/correct way to get the extension version?

I was using the following, which I found recommended somewhere:

chrome.manifest = (function() {

var manifestObject = false;
var xhr = new XMLHttpRequest();

xhr.onreadystatechange = function() {
if (xhr.readyState == 4) {
manifestObject = JSON.parse(xhr.responseText);
}
};
xhr.open("GET", chrome.extension.getURL('/manifest.json'), false);

try {
xhr.send();
} catch(e) {
console.log('Couldn\'t load manifest.json');
}

return manifestObject;

})();

However, this seems to cause an issue in the _generated_background_page_ when using it background,js (with "background": { "scripts": ["background.js"] } in the manifest).

I've changed to the simpler:

var version = chrome.app.getDetails().version;

which seems to work, but I've read that it is (was) buggy?

Cheers,
Nige

[Chris Hughes]

var version = chrome.app.getDetails().version;
Works great if you have the sufficient permission, if you are building
something new and dont want to prompt the user for privilege
escallation, then this is the best way to go.

But say you have a published app or extension and need to get the
data... it seems that in that use case XHRing the manifest is the best
option.
-C

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[Devin]

Agreed

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[cmrd.Kaash]

Hi.
Another way is:

chrome.management.get(chrome.i18n.getMessage("@@extension_id"),
function(extInfo){
// use extInfo.version
});

And you must declare the "management" permission in the extension
manifest to use the management API.