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phab/webroot/rsrc/js/core/behavior-detect-timezone.js
2a00f185eb2ffeature/better-testing

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behavior-detect-timezone.js
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/**
* @provides javelin-behavior-detect-timezone
* @requires javelin-behavior
* javelin-uri
* phabricator-notification
*/
JX.behavior('detect-timezone', function(config) {
var offset = new Date().getTimezoneOffset();
var ignore = config.ignore;
if (ignore !== null) {
// If we're ignoring a client offset and it's the current offset, just
// bail. This means the user has chosen to ignore the clock difference
// between the current client setting and their server setting.
if (offset == ignore) {
return;
}
// If we're ignoring a client offset but the current offset is different,
// wipe the offset. If you go from SF to NY, ignore the difference, return
// to SF, then travel back to NY a few months later, we want to prompt you
// again. This code will clear the ignored setting upon your return to SF.
new JX.Request('/settings/adjust/', JX.bag)
.setData({key: config.ignoreKey, value: ''})
.send();
ignore = null;
}
// If the client and server clocks are in sync, we're all set.
if (offset == config.offset) {
return;
}
var notification = new JX.Notification()
.alterClassName('jx-notification-alert', true)
.setContent(config.message)
.setDuration(0);
notification.listen('activate', function() {
JX.Stratcom.context().kill();
notification.hide();
var uri = config.uri + offset + '/';
// Some browsers (notably, Chrome) expose an "Intl" API which gives us
// direct access to a timezone setting. If we are able to read this, use
// it to guess which timezone the user is in so we can prefill the
// dropdown.
try {
var guess = Intl.DateTimeFormat().resolvedOptions().timeZone;
uri = JX.$U(uri).setQueryParam('guess', guess);
} catch (error) {
// Ignore any errors here, we'll just make the user pick from the big
// list.
}
new JX.Workflow(uri)
.start();
});
notification.show();
});
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