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feat: add browser console logging to dashboard #88

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Merged
nicholaspsmith merged 1 commit into from
Jan 28, 2026
Merged

feat: add browser console logging to dashboard #88

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38 changes: 34 additions & 4 deletions src/dashboard/ui.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -1602,6 +1602,9 @@ export function getDashboardHTML(): string {

// Fetch initial data
async function fetchData() {
log.info('Fetching dashboard data...');
const startTime = performance.now();

// Use Promise.allSettled to handle partial failures gracefully
const results = await Promise.allSettled([
fetch('/api/status'),
Expand All @@ -1610,27 +1613,36 @@ export function getDashboardHTML(): string {
fetch('/api/beads')
]);

const elapsed = Math.round(performance.now() - startTime);
log.info('API requests completed in ' + elapsed + 'ms');

let currentStatus = null;
let currentConfig = null;

// Process status result
if (results[0].status === 'fulfilled' && results[0].value.ok) {
try {
currentStatus = await results[0].value.json();
log.info('Status loaded', currentStatus);
updateStatus(currentStatus);
} catch (e) {
console.error('Failed to parse status:', e);
log.error('Failed to parse status', e);
}
} else {
log.warn('Failed to fetch status', results[0]);
}

// Process config result
if (results[1].status === 'fulfilled' && results[1].value.ok) {
try {
currentConfig = await results[1].value.json();
log.info('Config loaded', currentConfig);
updateConfig(currentConfig);
} catch (e) {
console.error('Failed to parse config:', e);
log.error('Failed to parse config', e);
}
} else {
log.warn('Failed to fetch config', results[1]);
}

// Check if configured backend differs from running backend
Expand Down Expand Up @@ -1663,28 +1675,42 @@ export function getDashboardHTML(): string {
}
}

// Logging utility for browser console
const log = {
info: (msg, data) => console.log('%c[lance-context]%c ' + msg, 'color: #58a6ff; font-weight: bold', 'color: inherit', data || ''),
warn: (msg, data) => console.warn('%c[lance-context]%c ' + msg, 'color: #d29922; font-weight: bold', 'color: inherit', data || ''),
error: (msg, data) => console.error('%c[lance-context]%c ' + msg, 'color: #f85149; font-weight: bold', 'color: inherit', data || ''),
event: (name, data) => console.log('%c[lance-context]%c SSE: %c' + name, 'color: #58a6ff; font-weight: bold', 'color: inherit', 'color: #3fb950', data || ''),
};

log.info('Dashboard initialized');

// Connect to SSE
function connectSSE() {
if (eventSource) {
eventSource.close();
}

log.info('Connecting to SSE...');
eventSource = new EventSource('/api/events');

eventSource.addEventListener('connected', (e) => {
log.event('connected');
setConnected(true);
fetchData();
});

eventSource.addEventListener('indexing:progress', (e) => {
const progress = JSON.parse(e.data);
log.event('indexing:progress', progress);
progressContainer.className = 'progress-container active';
indexBadge.textContent = 'Indexing...';
indexBadge.className = 'badge warning pulsing';
updateProgress(progress);
});

eventSource.addEventListener('indexing:start', () => {
log.event('indexing:start');
progressContainer.className = 'progress-container active';
indexBadge.textContent = 'Indexing...';
indexBadge.className = 'badge warning pulsing';
Expand All @@ -1693,27 +1719,31 @@ export function getDashboardHTML(): string {
});

eventSource.addEventListener('indexing:complete', () => {
log.event('indexing:complete');
progressContainer.className = 'progress-container';
fetchData();
});

eventSource.addEventListener('status:change', (e) => {
const status = JSON.parse(e.data);
log.event('status:change', status);
updateStatus(status);
});

eventSource.addEventListener('usage:update', (e) => {
const usage = JSON.parse(e.data);
log.event('usage:update', { count: usage.length });
// The event data is the usage array, need to compute total
const total = usage.reduce((sum, u) => sum + u.count, 0);
updateUsage({ usage, total });
});

eventSource.addEventListener('heartbeat', () => {
// Just keep connection alive
// Just keep connection alive - don't log to reduce noise
});

eventSource.onerror = () => {
eventSource.onerror = (e) => {
log.warn('SSE connection error, will reconnect...', e);
setConnected(false);
// EventSource will automatically reconnect
};
Expand Down
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