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luci-app-attendedsysupgrade: fix empty array condition

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In JavaScript (other than in Python) an empty array is considered `true`
within if statements. Fix this by checking for the array length rather
than its existence.

This fixes the issue of an empty dropdown menu in case the user is
running the latest release.

Signed-off-by: Paul Spooren <mail@aparcar.org>
This commit is contained in:
Paul Spooren 2021-07-26 00:36:19 +02:00
parent 65a3166c49
commit 7f5becc69e
1 changed files with 1 additions and 1 deletions
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applications/luci-app-attendedsysupgrade/htdocs/luci-static/resources/view/attendedsysupgrade/overview.js
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@ -255,7 +255,7 @@ function check_sysupgrade(server_url, current_version, target, board_name, packa
}
}
}
if (candidates) {
if (candidates.length) {
var m, s, o;
var mapdata = {