Function formatTimeAgo

web/scripts/ragnar_modern.js:3254–3285

(timeString)

};

function _wifiHmValue(sp) {
    // Selected metric value for a sample (null if this sample lacks it → grey).
    const m = _WIFI_HM_METRICS[_wifiHm.metric] || _WIFI_HM_METRICS.rssi;
    const v = sp[m.field];
    return v == null ? null : v;
}

function _wifiHeatColor(val) {
    const m = _WIFI_HM_METRICS[_wifiHm.metric] || _WIFI_HM_METRICS.rssi;
    const t = Math.max(0, Math.min(1, (val - m.lo) / (m.hi - m.lo)));
    const stops = [[239, 68, 68], [245, 158, 11], [234, 179, 8], [132, 204, 22], [34, 197, 94]];
    const seg = Math.min(stops.length - 2, Math.floor(t * (stops.length - 1)));
    const f = t * (stops.length - 1) - seg;
    const c = stops[seg].map((v, i) => Math.round(v + (stops[seg + 1][i] - v) * f));
    return c;
}

function wifiHeatmapSetMetric(v) {
    _wifiHm.metric = (_WIFI_HM_METRICS[v] || v === 'serving' || v === 'handoff') ? v : 'rssi';
    wifiHeatmapRender();
}

function wifiHeatmapRenderLegend() {
    const el = document.getElementById('wifi-hm-legend'); if (!el) return;
    // Mesh maps have their own legends (node colours / hand-off bands).
    if (_wifiHm.mode !== 'design' && (_wifiHm.metric === 'serving' || _wifiHm.metric === 'handoff')) {
        if (_wifiHm.metric === 'serving') {
            const nodes = _wifiMeshNodeList();
            const reg = (_wifiHm.data && _wifiHm.data.mesh_nodes) || {};
            el.innerHTML = '<span>Serving node:</span> ' + (nodes.length ? nodes.map((b, i) =>
                `<span class="flex items-center gap-1"><span style="width:10px;height:10px;border-radius:2px;display:inline-block;background:${_wifiMeshColor(b)}"></span>${String.fromCharCode(65 + i)} <span class="text-gray-500 font-mono text-[10px]">${b.slice(9)}</span><span class="text-gray-600">${reg[b] ? ' ' + reg[b].band + 'G ch' + reg[b].channel : ''}</span></span>`
            ).join('') : '<span class="text-gray-500">walk the space to map which node serves where</span>');
        } else {
            el.innerHTML = '<span>Hand-off overlap:</span>'
                + '<span class="flex items-center gap-1"><span style="width:10px;height:10px;border-radius:2px;display:inline-block;background:#22c55e"></span>good (&lt;6 dB)</span>'