Add Rust 2024 default notification

Author: shepmaster

ui/frontend/Notifications.tsx

@@ -3,19 +3,21 @@ import { Portal } from 'react-portal';
 
 import { Close } from './Icon';
 import { useAppDispatch, useAppSelector } from './hooks';
-import { seenRustSurvey2024 } from './reducers/notifications';
+import { seenRust2024IsDefault, seenRustSurvey2024 } from './reducers/notifications';
 import { allowLongRun, wsExecuteKillCurrent } from './reducers/output/execute';
 import * as selectors from './selectors';
 
 import * as styles from './Notifications.module.css';
 
 const SURVEY_URL = 'https://blog.rust-lang.org/2024/12/05/annual-survey-2024-launch.html';
+const EDITION_URL = 'https://doc.rust-lang.org/edition-guide/';
 
 const Notifications: React.FC = () => {
   return (
     <Portal>
       <div className={styles.container}>
         <RustSurvey2024Notification />
+        <Rust2024IsDefaultNotification />
         <ExcessiveExecutionNotification />
       </div>
     </Portal>
@@ -38,6 +40,21 @@ const RustSurvey2024Notification: React.FC = () => {
   ) : null;
 };
 
+const Rust2024IsDefaultNotification: React.FC = () => {
+  const showIt = useAppSelector(selectors.showRust2024IsDefaultSelector);
+
+  const dispatch = useAppDispatch();
+  const seenIt = useCallback(() => dispatch(seenRust2024IsDefault()), [dispatch]);
+
+  return showIt ? (
+    <Notification onClose={seenIt}>
+      As of Rust 1.85, the default edition of Rust is now Rust 2024. Learn more about editions in
+      the <a href={EDITION_URL}>Edition Guide</a>. To specify which edition to use, use the advanced
+      compilation options menu.
+    </Notification>
+  ) : null;
+};
+
 const ExcessiveExecutionNotification: React.FC = () => {
   const showExcessiveExecution = useAppSelector(selectors.excessiveExecutionSelector);
   const time = useAppSelector(selectors.excessiveExecutionTimeSelector);

ui/frontend/reducers/notifications.ts

@@ -13,6 +13,7 @@ interface State {
   seenRustSurvey2023: boolean; // expired
   seenDarkMode: boolean; // expired
   seenRustSurvey2024: boolean;
+  seenRust2024IsDefault: boolean;
 }
 
 const initialState: State = {
@@ -26,6 +27,7 @@ const initialState: State = {
   seenRustSurvey2023: true,
   seenDarkMode: true,
   seenRustSurvey2024: false,
+  seenRust2024IsDefault: false,
 };
 
 const slice = createSlice({
@@ -38,6 +40,10 @@ const slice = createSlice({
           state.seenRustSurvey2024 = true;
           break;
         }
+        case Notification.Rust2024IsDefault: {
+          state.seenRust2024IsDefault = true;
+          break;
+        }
       }
     },
   },
@@ -47,4 +53,6 @@ const { notificationSeen } = slice.actions;
 
 export const seenRustSurvey2024 = () => notificationSeen(Notification.RustSurvey2024);
 
+export const seenRust2024IsDefault = () => notificationSeen(Notification.Rust2024IsDefault);
+
 export default slice.reducer;

ui/frontend/selectors/index.ts

@@ -367,8 +367,16 @@ export const showRustSurvey2024Selector = createSelector(
   notifications => RUST_SURVEY_2024_OPEN && !notifications.seenRustSurvey2024,
 );
 
+const RUST_2024_IS_DEFAULT_END = new Date('2025-04-03T00:00:00Z');
+const RUST_2024_IS_DEFAULT_OPEN = NOW <= RUST_2024_IS_DEFAULT_END;
+export const showRust2024IsDefaultSelector = createSelector(
+  notificationsSelector,
+  notifications => RUST_2024_IS_DEFAULT_OPEN && !notifications.seenRust2024IsDefault,
+);
+
 export const anyNotificationsToShowSelector = createSelector(
   showRustSurvey2024Selector,
+  showRust2024IsDefaultSelector,
   excessiveExecutionSelector,
   (...allNotifications) => allNotifications.some(n => n),
 );

ui/frontend/types.ts

@@ -166,4 +166,5 @@ export enum Focus {
 
 export enum Notification {
   RustSurvey2024 = 'rust-survey-2024',
+  Rust2024IsDefault = 'rust-2024-is-default',
 }