flip timelineDisableRelativeDates -> timelineEnableRelativeDates to f…

…it convention

Signed-off-by: Kerry Archibald <kerrya@element.io>

src/components/views/messages/DateSeparator.tsx

@@ -50,7 +50,7 @@ export default class DateSeparator extends React.Component<IProps> {
 
     private getLabel() {
         const date = new Date(this.props.ts);
-        const disableRelativeTimestamps = SettingsStore.getValue(UIFeature.TimelineDisableRelativeDates);
+        const disableRelativeTimestamps = !SettingsStore.getValue(UIFeature.TimelineEnableRelativeDates);
 
         // During the time the archive is being viewed, a specific day might not make sense, so we return the full date
         if (this.props.forExport || disableRelativeTimestamps) return formatFullDateNoTime(date);

src/settings/Settings.tsx

@@ -965,8 +965,8 @@ export const SETTINGS: {[setting: string]: ISetting} = {
         supportedLevels: LEVELS_UI_FEATURE,
         default: true,
     },
-    [UIFeature.TimelineDisableRelativeDates]: {
+    [UIFeature.TimelineEnableRelativeDates]: {
         supportedLevels: LEVELS_UI_FEATURE,
-        default: false,
+        default: true,
     },
 };

src/settings/UIFeature.ts

@@ -32,7 +32,7 @@ export enum UIFeature {
     Communities = "UIFeature.communities",
     AdvancedSettings = "UIFeature.advancedSettings",
     RoomHistorySettings = "UIFeature.roomHistorySettings",
-    TimelineDisableRelativeDates = "UIFeature.timelineDisableRelativeDates"
+    TimelineEnableRelativeDates = "UIFeature.timelineEnableRelativeDates"
 }
 
 export enum UIComponent {

test/components/views/messages/DateSeparator-test.tsx

@@ -54,10 +54,14 @@ describe("DateSeparator", () => {
         ],
     ];
 
+    beforeEach(() => {
+        (SettingsStore.getValue as jest.Mock).mockReturnValue(true);
+    });
+
     it('renders the date separator correctly', () => {
         const component = getComponent();
         expect(component).toMatchSnapshot();
-        expect(SettingsStore.getValue).toHaveBeenCalledWith(UIFeature.TimelineDisableRelativeDates);
+        expect(SettingsStore.getValue).toHaveBeenCalledWith(UIFeature.TimelineEnableRelativeDates);
     });
 
     it.each(testCases)('formats date correctly when current time is %s', (_d, ts, result) => {
@@ -70,9 +74,9 @@ describe("DateSeparator", () => {
         });
     });
 
-    describe('when Settings.TimelineDisableRelativeDates is truthy', () => {
+    describe('when Settings.TimelineEnableRelativeDates is falsy', () => {
         beforeEach(() => {
-            (SettingsStore.getValue as jest.Mock).mockReturnValue(true);
+            (SettingsStore.getValue as jest.Mock).mockReturnValue(false);
         });
         it.each(testCases)('formats date in full when current time is %s', (_d, ts) => {
             expect(getComponent({ ts, forExport: false }).text()).toEqual(formatFullDateNoTime(new Date(ts)));