UA3F/openwrt/files/luci/view/ua3f/version.htm

<span style="display: inline-flex;">
    <a href="https://github.com/SunBK201/UA3F" target="_blank">
        Version: <span id="ua3f-current-version">2.2.2</span>
    </a>
    <span id="ua3f-update-status" style="margin-left: 10px;"></span>
</span>
<br>
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<script type="text/javascript">
    (function () {
        var CURRENT_VERSION = document.getElementById('ua3f-current-version').textContent;

        function compareVersions(v1, v2) {
            var parts1 = v1.replace(/^v/, '').split('.').map(Number);
            var parts2 = v2.replace(/^v/, '').split('.').map(Number);
            for (var i = 0; i < 3; i++) {
                var p1 = parts1[i] || 0;
                var p2 = parts2[i] || 0;
                if (p1 < p2) return -1;
                if (p1 > p2) return 1;
            }
            return 0;
        }

        function checkUpdate() {
            var statusEl = document.getElementById('ua3f-update-status');
            if (!statusEl) return;

            fetch('https://api.github.com/repos/SunBK201/UA3F/releases/latest')
                .then(function (response) {
                    if (!response.ok) throw new Error('Network error');
                    return response.json();
                })
                .then(function (data) {
                    if (data && data.tag_name) {
                        var latestVersion = data.tag_name.replace(/^v/, '');
                        var hasUpdate = compareVersions(CURRENT_VERSION, latestVersion) < 0;
                        var releaseUrl = data.html_url || 'https://github.com/SunBK201/UA3F/releases/latest';

                        if (hasUpdate) {
                            statusEl.innerHTML = '<a href="' + releaseUrl + '" target="_blank" style="color: #ff6600; font-weight: bold;">New version available: ' + latestVersion + '</a>';
                        }
                    } else {
                        statusEl.innerHTML = '';
                    }
                })
                .catch(function (err) {
                    statusEl.innerHTML = '';
                });
        }

        if (document.readyState === 'loading') {
            document.addEventListener('DOMContentLoaded', checkUpdate);
        } else {
            checkUpdate();
        }
    })();
</script>