Refactor: Remove react-timeago (#7943)

Remove dependency 🫡

frontend/src/component/application/ApplicationChart.tsx

@@ -13,7 +13,7 @@ import CheckCircle from '@mui/icons-material/CheckCircle';
 import CloudCircle from '@mui/icons-material/CloudCircle';
 import Flag from '@mui/icons-material/Flag';
 import WarningAmberRounded from '@mui/icons-material/WarningAmberRounded';
-import TimeAgo from 'react-timeago';
+import { TimeAgo } from 'component/common/TimeAgo/TimeAgo';
 import { usePlausibleTracker } from 'hooks/usePlausibleTracker';
 import { getApplicationIssues } from './ApplicationIssues/ApplicationIssues';
 
@@ -305,17 +305,9 @@ export const ApplicationChart = ({ data }: IApplicationChartProps) => {
                                         <tr>
                                             <StyledCell>Last seen:</StyledCell>
                                             <StyledCell>
-                                                {environment.lastSeen && (
                                                 <TimeAgo
-                                                        key={`${environment.lastSeen}`}
+                                                    date={environment.lastSeen}
-                                                        minPeriod={60}
-                                                        date={
-                                                            new Date(
-                                                                environment.lastSeen,
-                                                            )
-                                                        }
                                                 />
-                                                )}
                                             </StyledCell>
                                         </tr>
                                     </tbody>

frontend/src/component/application/ApplicationOverview.test.tsx

@@ -13,7 +13,11 @@ const setupApi = (application: ApplicationOverviewSchema) => {
         '/api/admin/metrics/applications/my-app/overview',
         application,
     );
-    testServerRoute(server, '/api/admin/ui-config', {});
+    testServerRoute(server, '/api/admin/ui-config', {
+        flags: {
+            timeAgoRefactor: true,
+        },
+    });
 };
 
 test('Display application overview with environments', async () => {
@@ -51,7 +55,7 @@ test('Display application overview with environments', async () => {
     await screen.findByText('development environment');
     await screen.findByText('999');
     await screen.findByText('unleash-client-node:5.5.0-beta.0');
-    await screen.findByText('0 seconds ago');
+    await screen.findByText('< 1 minute ago');
 });
 
 test('Display application overview without environments', async () => {

frontend/src/component/archive/ArchiveTable/FeatureArchivedCell/FeatureArchivedCell.tsx

@@ -1,5 +1,5 @@
-import type { VFC } from 'react';
+import type { FC } from 'react';
-import TimeAgo from 'react-timeago';
+import { TimeAgo } from 'component/common/TimeAgo/TimeAgo';
 import { Tooltip, Typography, useTheme } from '@mui/material';
 import { formatDateYMD } from 'utils/formatDate';
 import { TextCell } from 'component/common/Table/cells/TextCell/TextCell';
@@ -9,7 +9,7 @@ interface IFeatureArchivedCellProps {
     value?: string | Date | null;
 }
 
-export const FeatureArchivedCell: VFC<IFeatureArchivedCellProps> = ({
+export const FeatureArchivedCell: FC<IFeatureArchivedCellProps> = ({
     value: archivedAt,
 }) => {
     const { locationSettings } = useLocationSettings();
@@ -37,12 +37,7 @@ export const FeatureArchivedCell: VFC<IFeatureArchivedCellProps> = ({
                 arrow
             >
                 <Typography noWrap variant='body2' data-loading>
-                    <TimeAgo
+                    <TimeAgo date={new Date(archivedAt)} refresh={false} />
-                        key={`${archivedAt}`}
-                        date={new Date(archivedAt)}
-                        title=''
-                        live={false}
-                    />
                 </Typography>
             </Tooltip>
         </TextCell>

frontend/src/component/changeRequest/ChangeRequestOverview/ChangeRequestComments/ChangeRequestComment.tsx

@@ -2,7 +2,7 @@ import type { FC } from 'react';
 import { Markdown } from 'component/common/Markdown/Markdown';
 import Paper from '@mui/material/Paper';
 import { Box, styled, Typography } from '@mui/material';
-import TimeAgo from 'react-timeago';
+import { TimeAgo } from 'component/common/TimeAgo/TimeAgo';
 import { StyledAvatar } from './StyledAvatar';
 import type { IChangeRequestComment } from '../../changeRequest.types';
 
@@ -35,12 +35,7 @@ export const ChangeRequestComment: FC<{ comment: IChangeRequestComment }> = ({
                 <Box>
                     <strong>{comment.createdBy.username}</strong>{' '}
                     <Typography color='text.secondary' component='span'>
-                        commented{' '}
+                        commented <TimeAgo date={comment.createdAt} />
-                        <TimeAgo
-                            key={`${comment.createdAt}`}
-                            minPeriod={60}
-                            date={new Date(comment.createdAt)}
-                        />
                     </Typography>
                 </Box>
             </CommentHeader>

frontend/src/component/changeRequest/ChangeRequestOverview/ChangeRequestHeader/ChangeRequestHeader.tsx

@@ -1,7 +1,7 @@
 import { Box } from '@mui/material';
 import { type FC, useState } from 'react';
 import { Typography, Tooltip } from '@mui/material';
-import TimeAgo from 'react-timeago';
+import { TimeAgo } from 'component/common/TimeAgo/TimeAgo';
 import type { ChangeRequestType } from 'component/changeRequest/changeRequest.types';
 import { ChangeRequestStatusBadge } from 'component/changeRequest/ChangeRequestStatusBadge/ChangeRequestStatusBadge';
 import {
@@ -38,13 +38,7 @@ export const ChangeRequestHeader: FC<{ changeRequest: ChangeRequestType }> = ({
                         margin: theme.spacing('auto', 0, 'auto', 2),
                     })}
                 >
-                    Created{' '}
+                    Created <TimeAgo date={changeRequest.createdAt} /> by
-                    <TimeAgo
-                        key={`${changeRequest.createdAt}`}
-                        minPeriod={60}
-                        date={new Date(changeRequest.createdAt)}
-                    />{' '}
-                    by
                 </Typography>
                 <Box
                     sx={(theme) => ({

frontend/src/component/common/Notifications/Notification.tsx

@@ -11,7 +11,7 @@ import type {
     NotificationsSchemaItemNotificationType,
 } from 'openapi';
 import { ReactComponent as ChangesAppliedIcon } from 'assets/icons/merge.svg';
-import TimeAgo from 'react-timeago';
+import { TimeAgo } from 'component/common/TimeAgo/TimeAgo';
 import ToggleOffOutlined from '@mui/icons-material/ToggleOffOutlined';
 import { flexRow } from 'themes/themeStyles';
 
@@ -157,11 +157,7 @@ export const Notification = ({
                     </StyledUserContainer>
 
                     <StyledTimeAgoTypography>
-                        <TimeAgo
+                        <TimeAgo date={notification.createdAt} />
-                            key={`${notification.createdAt}`}
-                            date={new Date(notification.createdAt)}
-                            minPeriod={60}
-                        />
                     </StyledTimeAgoTypography>
                 </StyledSecondaryInfoBox>
             </StyledNotificationMessageBox>

frontend/src/component/common/Table/cells/FeatureSeenCell/FeatureSeenCell.tsx

@@ -1,131 +0,0 @@
-import type React from 'react';
-import type { FC, VFC } from 'react';
-import TimeAgo from 'react-timeago';
-import { styled, Tooltip, useTheme } from '@mui/material';
-import { ConditionallyRender } from 'component/common/ConditionallyRender/ConditionallyRender';
-
-function shortenUnitName(unit?: string): string {
-    switch (unit) {
-        case 'second':
-            return 's';
-        case 'minute':
-            return 'm';
-        case 'hour':
-            return 'h';
-        case 'day':
-            return 'D';
-        case 'week':
-            return 'W';
-        case 'month':
-            return 'M';
-        case 'year':
-            return 'Y';
-        default:
-            return '';
-    }
-}
-
-const useFeatureColor = () => {
-    const theme = useTheme();
-
-    return (unit?: string): string => {
-        switch (unit) {
-            case 'second':
-                return theme.palette.seen.recent;
-            case 'minute':
-                return theme.palette.seen.recent;
-            case 'hour':
-                return theme.palette.seen.recent;
-            case 'day':
-                return theme.palette.seen.recent;
-            case 'week':
-                return theme.palette.seen.inactive;
-            case 'month':
-                return theme.palette.seen.abandoned;
-            case 'year':
-                return theme.palette.seen.abandoned;
-            default:
-                return theme.palette.seen.unknown;
-        }
-    };
-};
-
-const StyledContainer = styled('div')(({ theme }) => ({
-    display: 'flex',
-    padding: theme.spacing(1.5),
-}));
-
-const StyledBox = styled('div')(({ theme }) => ({
-    width: '38px',
-    height: '38px',
-    background: theme.palette.background.paper,
-    borderRadius: `${theme.shape.borderRadius}px`,
-    textAlign: 'center',
-    display: 'flex',
-    alignItems: 'center',
-    justifyContent: 'center',
-    fontSize: theme.typography.body2.fontSize,
-    margin: '0 auto',
-}));
-
-interface IFeatureSeenCellProps {
-    value?: string | Date | null;
-}
-
-const Wrapper: FC<{
-    unit?: string;
-    tooltip: string;
-    children?: React.ReactNode;
-}> = ({ unit, tooltip, children }) => {
-    const getColor = useFeatureColor();
-
-    return (
-        <StyledContainer>
-            <Tooltip title={tooltip} arrow describeChild>
-                <StyledBox style={{ background: getColor(unit) }} data-loading>
-                    {children}
-                </StyledBox>
-            </Tooltip>
-        </StyledContainer>
-    );
-};
-
-export const FeatureSeenCell: VFC<IFeatureSeenCellProps> = ({
-    value: lastSeenAt,
-}) => {
-    return (
-        <ConditionallyRender
-            condition={Boolean(lastSeenAt)}
-            show={
-                <TimeAgo
-                    key={`${lastSeenAt}`}
-                    date={lastSeenAt!}
-                    title=''
-                    live={false}
-                    formatter={(
-                        value: number,
-                        unit: string,
-                        suffix: string,
-                    ) => {
-                        return (
-                            <Wrapper
-                                tooltip={`Last usage reported ${value} ${unit}${
-                                    value !== 1 ? 's' : ''
-                                } ${suffix}`}
-                                unit={unit}
-                            >
-                                {value}
-                                {shortenUnitName(unit)}
-                            </Wrapper>
-                        );
-                    }}
-                />
-            }
-            elseShow={
-                <Wrapper tooltip='No usage reported from connected applications'>
-                    &ndash;
-                </Wrapper>
-            }
-        />
-    );
-};

frontend/src/component/common/Table/cells/FeatureSeenCell/LastSeenTooltip.tsx

@@ -1,5 +1,5 @@
 import { styled, type SxProps, type Theme, Typography } from '@mui/material';
-import TimeAgo from 'react-timeago';
+import { TimeAgo } from 'component/common/TimeAgo/TimeAgo';
 import type { ILastSeenEnvironments } from 'interfaces/featureToggle';
 import { ConditionallyRender } from 'component/common/ConditionallyRender/ConditionallyRender';
 import { useLastSeenColors } from 'component/feature/FeatureView/FeatureEnvironmentSeen/useLastSeenColors';
@@ -74,10 +74,10 @@ export const LastSeenTooltip = ({
     ...rest
 }: ILastSeenTooltipProps) => {
     const getColor = useLastSeenColors();
-    const [, defaultTextColor] = getColor();
     const environmentsHaveLastSeen = environments?.some((environment) =>
         Boolean(environment.lastSeenAt),
     );
+
     return (
         <StyledDescription {...rest} data-loading>
             <StyledDescriptionHeader>
@@ -85,7 +85,9 @@ export const LastSeenTooltip = ({
             </StyledDescriptionHeader>
             <ConditionallyRender
                 condition={
-                    Boolean(environments) && Boolean(environmentsHaveLastSeen)
+                    Boolean(environments) &&
+                    Boolean(environmentsHaveLastSeen) &&
+                    false
                 }
                 show={
                     <StyledListContainer>
@@ -95,43 +97,15 @@ export const LastSeenTooltip = ({
                                     {name}
                                 </StyledDescriptionBlockHeader>
                                 <StyledValueContainer>
-                                    <ConditionallyRender
+                                    <StyledValue
-                                        condition={Boolean(lastSeenAt)}
+                                        color={getColor(lastSeenAt).text}
-                                        show={
+                                    >
                                         <TimeAgo
-                                                key={`${lastSeenAt}`}
+                                            date={lastSeenAt}
-                                                date={lastSeenAt!}
+                                            refresh={false}
-                                                title=''
+                                            fallback='no usage'
-                                                live={false}
-                                                formatter={(
-                                                    value: number,
-                                                    unit: string,
-                                                    suffix: string,
-                                                ) => {
-                                                    const [, textColor] =
-                                                        getColor(unit);
-                                                    return (
-                                                        <StyledValue
-                                                            color={textColor}
-                                                        >
-                                                            {`${value} ${unit}${
-                                                                value !== 1
-                                                                    ? 's'
-                                                                    : ''
-                                                            } ${suffix}`}
-                                                        </StyledValue>
-                                                    );
-                                                }}
                                         />
-                                        }
-                                        elseShow={
-                                            <StyledValue
-                                                color={defaultTextColor}
-                                            >
-                                                no usage
                                     </StyledValue>
-                                        }
-                                    />
                                 </StyledValueContainer>
                                 <LastSeenProgress yes={yes} no={no} />
                             </StyledDescriptionBlock>
@@ -139,27 +113,12 @@ export const LastSeenTooltip = ({
                     </StyledListContainer>
                 }
                 elseShow={
-                    <TimeAgo
-                        date={featureLastSeen}
-                        title=''
-                        live={false}
-                        formatter={(
-                            value: number,
-                            unit: string,
-                            suffix: string,
-                        ) => {
-                            return (
                     <Typography
                         fontWeight={'bold'}
-                                    color={'text.primary'}
+                        color={getColor(featureLastSeen).text}
                     >
-                                    {`Reported ${value} ${unit}${
+                        Reported <TimeAgo date={featureLastSeen} />
-                                        value !== 1 ? 's' : ''
-                                    } ${suffix}`}
                     </Typography>
-                            );
-                        }}
-                    />
                 }
             />
             <StyledDescriptionSubHeader>

frontend/src/component/common/Table/cells/TextCell/TextCell.tsx

@@ -24,6 +24,11 @@ const StyledWrapper = styled(Box, {
     },
 }));
 
+const StyledSpan = styled('span')(() => ({
+    display: 'inline-block',
+    maxWidth: '100%',
+}));
+
 export const TextCell: FC<ITextCellProps> = ({
     value,
     children,
@@ -32,8 +37,8 @@ export const TextCell: FC<ITextCellProps> = ({
     'data-testid': testid,
 }) => (
     <StyledWrapper lineClamp={lineClamp} sx={sx}>
-        <span data-loading='true' data-testid={testid}>
+        <StyledSpan data-loading='true' data-testid={testid}>
             {children ?? value}
-        </span>
+        </StyledSpan>
     </StyledWrapper>
 );

frontend/src/component/common/Table/cells/TimeAgoCell/TimeAgoCell.tsx

@@ -3,7 +3,7 @@ import { useLocationSettings } from 'hooks/useLocationSettings';
 import type { FC } from 'react';
 import { formatDateYMD } from 'utils/formatDate';
 import { TextCell } from '../TextCell/TextCell';
-import TimeAgo from 'react-timeago';
+import { TimeAgo } from 'component/common/TimeAgo/TimeAgo';
 
 interface ITimeAgoCellProps {
     value?: string | number | Date;
@@ -31,16 +31,15 @@ export const TimeAgoCell: FC<ITimeAgoCellProps> = ({
             <Tooltip title={title?.(date) ?? date} arrow>
                 <Typography
                     noWrap
+                    sx={{
+                        display: 'inline-block',
+                        maxWidth: '100%',
+                    }}
                     component='span'
                     variant='body2'
                     data-loading
                 >
-                    <TimeAgo
+                    <TimeAgo date={value} refresh={live} />
-                        key={`${value}`}
-                        date={new Date(value)}
-                        live={live}
-                        title={''}
-                    />
                 </Typography>
             </Tooltip>
         </TextCell>

frontend/src/component/common/TimeAgo/TimeAgo.test.tsx

@@ -0,0 +1,139 @@
+import { vi } from 'vitest';
+import { act, render, screen } from '@testing-library/react';
+import { NewTimeAgo as TimeAgo } from './TimeAgo';
+
+const h = 3_600_000 as const;
+const min = 60_000 as const;
+const s = 1_000 as const;
+
+beforeAll(() => {
+    vi.useFakeTimers();
+});
+
+afterAll(() => {
+    vi.useRealTimers();
+});
+
+test('renders fallback when date is null or undefined', () => {
+    render(<TimeAgo date={null} fallback='N/A' />);
+    expect(screen.getByText('N/A')).toBeInTheDocument();
+
+    render(<TimeAgo date={undefined} fallback='unknown' />);
+    expect(screen.getByText('unknown')).toBeInTheDocument();
+});
+
+test('formats date correctly', () => {
+    const date = new Date();
+    render(<TimeAgo date={date} />);
+    expect(screen.getByText('< 1 minute ago')).toBeInTheDocument();
+});
+
+test('updates time periodically', () => {
+    const date = new Date();
+    render(<TimeAgo date={date} />);
+
+    expect(screen.getByText('< 1 minute ago')).toBeInTheDocument();
+
+    act(() => vi.advanceTimersByTime(61 * s));
+
+    expect(screen.getByText('1 minute ago')).toBeInTheDocument();
+});
+
+test('stops updating when live is false', () => {
+    const date = new Date();
+    const setIntervalSpy = vi.spyOn(global, 'setInterval');
+    render(<TimeAgo date={date} refresh={false} />);
+
+    expect(screen.getByText('< 1 minute ago')).toBeInTheDocument();
+
+    act(() => vi.advanceTimersByTime(61 * s));
+
+    expect(screen.getByText('< 1 minute ago')).toBeInTheDocument();
+
+    expect(setIntervalSpy).not.toHaveBeenCalled();
+});
+
+test('handles string dates', () => {
+    const dateString = '2024-01-01T00:00:00Z';
+    vi.setSystemTime(new Date('2024-01-01T01:01:00Z'));
+
+    render(<TimeAgo date={dateString} />);
+    expect(screen.getByText('1 hour ago')).toBeInTheDocument();
+});
+
+test('cleans up interval on unmount', () => {
+    const date = new Date();
+    const { unmount } = render(<TimeAgo date={date} refresh />);
+
+    const clearIntervalSpy = vi.spyOn(global, 'clearInterval');
+    unmount();
+    expect(clearIntervalSpy).toHaveBeenCalled();
+});
+
+test('renders fallback for invalid date', () => {
+    render(<TimeAgo date='invalid-date' fallback='Invalid date' />);
+    expect(screen.getByText('Invalid date')).toBeInTheDocument();
+});
+
+test('on date change, current time should be updated', () => {
+    const start = new Date().getTime();
+
+    vi.advanceTimersByTime(60_000);
+
+    const Component = ({ date }: { date: number }) => (
+        <>
+            <TimeAgo date={date} />
+        </>
+    );
+
+    const { rerender } = render(<Component date={start} />);
+    expect(screen.getByText('1 minute ago')).toBeInTheDocument();
+
+    act(() => vi.advanceTimersByTime(2 * min));
+    rerender(<Component date={start} />);
+
+    expect(screen.getByText('3 minutes ago')).toBeInTheDocument();
+
+    rerender(<Component date={start + min} />);
+
+    expect(screen.getByText('2 minutes ago')).toBeInTheDocument();
+});
+
+test('should refresh on fallback change', () => {
+    const date = null;
+    const { rerender } = render(
+        <TimeAgo date={date} fallback='Initial fallback' />,
+    );
+    expect(screen.getByText('Initial fallback')).toBeInTheDocument();
+
+    rerender(<TimeAgo date={date} fallback='Updated fallback' />);
+    expect(screen.getByText('Updated fallback')).toBeInTheDocument();
+});
+
+test('should create `time` element', () => {
+    const now = 1724222592978;
+    vi.setSystemTime(now);
+    const { container } = render(<TimeAgo date={now - 3 * min} />);
+    expect(container).toMatchInlineSnapshot(`
+      <div>
+        <time
+          datetime="2024-08-21T06:40:12.978Z"
+        >
+          3 minutes ago
+        </time>
+      </div>
+    `);
+});
+
+test('should not create `time` element if `timeElement` is false', () => {
+    const now = 1724222592978;
+    vi.setSystemTime(now);
+    const { container } = render(
+        <TimeAgo date={now - 5 * h} timeElement={false} />,
+    );
+    expect(container).toMatchInlineSnapshot(`
+      <div>
+        5 hours ago
+      </div>
+    `);
+});

frontend/src/component/common/TimeAgo/TimeAgo.tsx

@@ -0,0 +1,73 @@
+import { useEffect, useState, type FC } from 'react';
+import { formatDistanceToNow, secondsToMilliseconds } from 'date-fns';
+import { default as LegacyTimeAgo } from 'react-timeago';
+import { useUiFlag } from 'hooks/useUiFlag';
+
+type TimeAgoProps = {
+    date: Date | number | string | null | undefined;
+    fallback?: string;
+    refresh?: boolean;
+    timeElement?: boolean;
+};
+
+const formatTimeAgo = (date: string | number | Date) =>
+    formatDistanceToNow(new Date(date), {
+        addSuffix: true,
+    })
+        .replace('about ', '')
+        .replace('less than a minute ago', '< 1 minute ago');
+
+export const TimeAgo: FC<TimeAgoProps> = ({ ...props }) => {
+    const { date, fallback, refresh } = props;
+    const timeAgoRefactorEnabled = useUiFlag('timeAgoRefactor');
+
+    if (timeAgoRefactorEnabled) return <NewTimeAgo {...props} />;
+    if (!date) return fallback;
+    return (
+        <LegacyTimeAgo key={`${date}`} date={new Date(date)} live={refresh} />
+    );
+};
+
+export const NewTimeAgo: FC<TimeAgoProps> = ({
+    date,
+    fallback = '',
+    refresh = true,
+    timeElement = true,
+}) => {
+    const getValue = (): { description: string; dateTime?: Date } => {
+        try {
+            if (!date) return { description: fallback };
+            return {
+                description: formatTimeAgo(date),
+                dateTime: timeElement ? new Date(date) : undefined,
+            };
+        } catch {
+            return { description: fallback };
+        }
+    };
+    const [state, setState] = useState(getValue);
+
+    useEffect(() => {
+        setState(getValue);
+    }, [date, fallback]);
+
+    useEffect(() => {
+        if (!date || !refresh) return;
+
+        const intervalId = setInterval(() => {
+            setState(getValue);
+        }, secondsToMilliseconds(12));
+
+        return () => clearInterval(intervalId);
+    }, [refresh]);
+
+    if (!state.dateTime) {
+        return state.description;
+    }
+
+    return (
+        <time dateTime={state.dateTime.toISOString()}>{state.description}</time>
+    );
+};
+
+export default TimeAgo;

frontend/src/component/feature/FeatureView/FeatureEnvironmentSeen/FeatureEnvironmentSeen.tsx

@@ -1,4 +1,3 @@
-import TimeAgo from 'react-timeago';
 import { LastSeenTooltip } from 'component/common/Table/cells/FeatureSeenCell/LastSeenTooltip';
 import type React from 'react';
 import type { FC, ReactElement } from 'react';
@@ -85,34 +84,8 @@ export const FeatureEnvironmentSeen = ({
 
     const lastSeen = getLatestLastSeenAt(environments) || featureLastSeen;
 
+    if (!lastSeen) {
         return (
-        <>
-            {lastSeen ? (
-                <TimeAgo
-                    key={`${lastSeen}`}
-                    date={lastSeen}
-                    title=''
-                    live={false}
-                    formatter={(value: number, unit: string) => {
-                        const [color, textColor] = getColor(unit);
-                        return (
-                            <TooltipContainer
-                                sx={sx}
-                                tooltip={
-                                    <LastSeenTooltip
-                                        featureLastSeen={lastSeen}
-                                        environments={environments}
-                                        {...rest}
-                                    />
-                                }
-                                color={color}
-                            >
-                                <UsageRate stroke={textColor} />
-                            </TooltipContainer>
-                        );
-                    }}
-                />
-            ) : (
             <TooltipContainer
                 sx={sx}
                 tooltip='No usage reported from connected applications'
@@ -123,7 +96,24 @@ export const FeatureEnvironmentSeen = ({
                     </Box>
                 </Box>
             </TooltipContainer>
-            )}
+        );
-        </>
+    }
+
+    const { background, text } = getColor(lastSeen);
+
+    return (
+        <TooltipContainer
+            sx={sx}
+            tooltip={
+                <LastSeenTooltip
+                    featureLastSeen={lastSeen}
+                    environments={environments}
+                    {...rest}
+                />
+            }
+            color={background}
+        >
+            <UsageRate stroke={text} />
+        </TooltipContainer>
     );
 };

frontend/src/component/feature/FeatureView/FeatureEnvironmentSeen/useLastSeenColors.ts

@@ -1,25 +1,47 @@
 import { useTheme } from '@mui/material';
+import { differenceInDays } from 'date-fns';
 
-export const useLastSeenColors = () => {
+type Color = {
+    background: string;
+    text: string;
+};
+
+export const useLastSeenColors = (): ((
+    date?: Date | number | string | null,
+) => Color) => {
     const theme = useTheme();
+    const colorsForUnknown = {
+        background: theme.palette.seen.unknown,
+        text: theme.palette.grey.A400,
+    };
 
-    return (unit?: string): [string, string] => {
+    return (date?: Date | number | string | null): Color => {
-        switch (unit) {
+        if (!date) {
-            case 'second':
+            return colorsForUnknown;
-            case 'minute':
-            case 'hour':
-            case 'day':
-                return [theme.palette.seen.recent, theme.palette.success.main];
-            case 'week':
-                return [
-                    theme.palette.seen.inactive,
-                    theme.palette.warning.main,
-                ];
-            case 'month':
-            case 'year':
-                return [theme.palette.seen.abandoned, theme.palette.error.main];
-            default:
-                return [theme.palette.seen.unknown, theme.palette.grey.A400];
         }
+
+        try {
+            const days = differenceInDays(Date.now(), new Date(date));
+
+            if (days < 1) {
+                return {
+                    background: theme.palette.seen.recent,
+                    text: theme.palette.success.main,
+                };
+            }
+            if (days <= 7) {
+                return {
+                    background: theme.palette.seen.inactive,
+                    text: theme.palette.warning.main,
+                };
+            }
+
+            return {
+                background: theme.palette.seen.abandoned,
+                text: theme.palette.error.main,
+            };
+        } catch {}
+
+        return colorsForUnknown;
     };
 };

frontend/src/component/feature/FeatureView/FeatureOverview/FeatureLifecycle/FeatureLifecycleTooltip.tsx

@@ -11,7 +11,7 @@ import { ReactComponent as ArchivedStageIcon } from 'assets/icons/stage-archived
 import CloudCircle from '@mui/icons-material/CloudCircle';
 import { ReactComponent as UsageRate } from 'assets/icons/usage-rate.svg';
 import { FeatureLifecycleStageIcon } from './FeatureLifecycleStageIcon';
-import TimeAgo from 'react-timeago';
+import { TimeAgo } from 'component/common/TimeAgo/TimeAgo';
 import { StyledIconWrapper } from '../../FeatureEnvironmentSeen/FeatureEnvironmentSeen';
 import { useLastSeenColors } from '../../FeatureEnvironmentSeen/useLastSeenColors';
 import type { LifecycleStage } from './LifecycleStage';
@@ -114,23 +114,13 @@ const LastSeenIcon: FC<{
     lastSeen: string;
 }> = ({ lastSeen }) => {
     const getColor = useLastSeenColors();
+    const { text, background } = getColor(lastSeen);
 
     return (
-        <TimeAgo
+        <StyledIconWrapper style={{ background }}>
-            key={`${lastSeen}`}
+            <UsageRate stroke={text} />
-            date={lastSeen}
-            title=''
-            live={false}
-            formatter={(value: number, unit: string) => {
-                const [color, textColor] = getColor(unit);
-                return (
-                    <StyledIconWrapper style={{ background: color }}>
-                        <UsageRate stroke={textColor} />
         </StyledIconWrapper>
     );
-            }}
-        />
-    );
 };
 
 const InitialStageDescription: FC = () => {
@@ -230,11 +220,7 @@ const Environments: FC<{
                             <Box>{environment.name}</Box>
                         </CenteredBox>
                         <CenteredBox>
-                            <TimeAgo
+                            <TimeAgo date={environment.lastSeenAt} />
-                                key={`${environment.lastSeenAt}`}
-                                minPeriod={60}
-                                date={environment.lastSeenAt}
-                            />
                             <LastSeenIcon lastSeen={environment.lastSeenAt} />
                         </CenteredBox>
                     </EnvironmentLine>

frontend/src/component/project/NewProjectCard/ProjectArchiveCard.tsx

@@ -17,7 +17,6 @@ import { formatDateYMDHM } from 'utils/formatDate';
 import { useLocationSettings } from 'hooks/useLocationSettings';
 import { parseISO } from 'date-fns';
 import { ConditionallyRender } from 'component/common/ConditionallyRender/ConditionallyRender';
-import TimeAgo from 'react-timeago';
 import { Box, Link, Tooltip } from '@mui/material';
 import { Link as RouterLink } from 'react-router-dom';
 import {
@@ -29,6 +28,7 @@ import PermissionIconButton from 'component/common/PermissionIconButton/Permissi
 import Delete from '@mui/icons-material/Delete';
 import { Highlighter } from 'component/common/Highlighter/Highlighter';
 import { useSearchHighlightContext } from 'component/common/Table/SearchHighlightContext/SearchHighlightContext';
+import { TimeAgo } from 'component/common/TimeAgo/TimeAgo';
 
 export type ProjectArchiveCardProps = {
     id: string;
@@ -91,12 +91,8 @@ export const ProjectArchiveCard: FC<ProjectArchiveCardProps> = ({
                                     <p data-loading>
                                         Archived:{' '}
                                         <TimeAgo
-                                            key={`${archivedAt}`}
+                                            date={archivedAt}
-                                            minPeriod={60}
+                                            refresh={false}
-                                            date={
-                                                new Date(archivedAt as string)
-                                            }
-                                            live={false}
                                         />
                                     </p>
                                 </Box>

frontend/src/interfaces/uiConfig.ts

@@ -93,6 +93,7 @@ export type UiFlags = {
     newEventSearch?: boolean;
     archiveProjects?: boolean;
     projectListImprovements?: boolean;
+    timeAgoRefactor?: boolean;
 };
 
 export interface IVersionInfo {

src/lib/__snapshots__/create-config.test.ts.snap

@@ -149,6 +149,7 @@ exports[`should create default config 1`] = `
       "showInactiveUsers": false,
       "signals": false,
       "strictSchemaValidation": false,
+      "timeAgoRefactor": false,
       "useMemoizedActiveTokens": false,
       "useProjectReadModel": false,
       "userAccessUIEnabled": false,

src/lib/types/experimental.ts

@@ -66,7 +66,8 @@ export type IFlagKey =
     | 'projectListImprovements'
     | 'useProjectReadModel'
     | 'webhookServiceNameLogging'
-    | 'addonUsageMetrics';
+    | 'addonUsageMetrics'
+    | 'timeAgoRefactor';
 
 export type IFlags = Partial<{ [key in IFlagKey]: boolean | Variant }>;
 
@@ -323,6 +324,10 @@ const flags: IFlags = {
         process.env.UNLEASH_EXPERIMENTAL_ADDON_USAGE_METRICS,
         false,
     ),
+    timeAgoRefactor: parseEnvVarBoolean(
+        process.env.UNLEASH_TIMEAGO_REFACTOR,
+        false,
+    ),
 };
 
 export const defaultExperimentalOptions: IExperimentalOptions = {

src/server-dev.ts

@@ -59,6 +59,7 @@ process.nextTick(async () => {
                         useProjectReadModel: true,
                         webhookServiceNameLogging: true,
                         addonUsageMetrics: true,
+                        timeAgoRefactor: true,
                     },
                 },
                 authentication: {