ISSUE-205 fixed empty placeholder not showing when no streams availab…

…le (#210)

also set default time range with minute precision, so seconds and milliseconds are 
always set to zero.

fixes #205

src/layouts/MainLayout/Context.tsx

@@ -13,7 +13,7 @@ const Context = createContext({});
 
 const { Provider } = Context;
 
-const now = dayjs();
+const now = dayjs().startOf('minute');
 
 export const DEFAULT_FIXED_DURATIONS = FIXED_DURATIONS[0];
 
@@ -181,7 +181,7 @@ const MainLayoutPageProvider: FC<HeaderProviderProps> = ({ children }) => {
 	}, []);
 
 	const streamChangeCleanup = useCallback((stream: string) => {
-		const now = dayjs();
+		const now = dayjs().startOf('minute');
 		subLogQuery.set((state) => {
 			state.streamName = stream;
 			state.startTime = now.subtract(DEFAULT_FIXED_DURATIONS.milliseconds, 'milliseconds').toDate();

src/pages/Home/index.tsx

@@ -51,7 +51,8 @@ const Home: FC = () => {
 		navigate(`/${stream}/logs`);
 	}, []);
 
-	if (Array.isArray(userSpecficStreams) && userSpecficStreams.length === 0) return <EmptyStreamsView />;
+	if ((Array.isArray(userSpecficStreams) && userSpecficStreams.length === 0) || userSpecficStreams === null)
+		return <EmptyStreamsView />;
 
 	return (
 		<Box className={container} style={{ display: 'flex', flex: 1, marginTop: '1rem' }}>

src/pages/Logs/LogTable.tsx

@@ -309,7 +309,7 @@ const LogTable: FC = () => {
 		if (subRefreshInterval.get()) {
 			const interval = setInterval(() => {
 				if (subLogSelectedTimeRange.get().state === 'fixed') {
-					const now = dayjs();
+					const now = dayjs().startOf('minute');
 					const timeDiff = subLogQuery.get().endTime.getTime() - subLogQuery.get().startTime.getTime();
 					subLogQuery.set((state) => {
 						state.startTime = now.subtract(timeDiff).toDate();