Always use static/cached selectors in useSelector

ts/state/selectors/app.ts

@@ -10,3 +10,5 @@ export const getHasInitialLoadCompleted = createSelector(
   getApp,
   ({ hasInitialLoadCompleted }) => hasInitialLoadCompleted
 );
+
+export const getAppView = createSelector(getApp, ({ appView }) => appView);

ts/state/selectors/conversations.ts

@@ -208,6 +208,12 @@ export const getTargetedMessage = createSelector(
     };
   }
 );
+export const getTargetedMessageSource = createSelector(
+  getConversations,
+  (state: ConversationsStateType): string | undefined => {
+    return state.targetedMessageSource;
+  }
+);
 export const getSelectedMessageIds = createSelector(
   getConversations,
   (state: ConversationsStateType): ReadonlyArray<string> | undefined => {

ts/state/selectors/inbox.ts

@@ -0,0 +1,17 @@
+// Copyright 2024 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import { createSelector } from 'reselect';
+import type { StateType } from '../reducer';
+
+const getInboxState = (state: StateType) => state.inbox;
+
+export const getInboxEnvelopeTimestamp = createSelector(
+  getInboxState,
+  ({ envelopeTimestamp }) => envelopeTimestamp
+);
+
+export const getInboxFirstEnvelopeTimestamp = createSelector(
+  getInboxState,
+  ({ firstEnvelopeTimestamp }) => firstEnvelopeTimestamp
+);

ts/state/selectors/safetyNumber.ts

@@ -25,3 +25,12 @@ export const getContactSafetyNumber = createSelector(
     contactID: string
   ): SafetyNumberContactType | void => contacts[contactID]
 );
+
+export const getContactSafetyNumberSelector = createSelector(
+  [getSafetyNumber],
+  ({ contacts }) => {
+    return (contactId: string) => {
+      return contacts[contactId];
+    };
+  }
+);

ts/state/smart/App.tsx

@@ -16,20 +16,20 @@ import {
   getIsMainWindowFullScreen,
 } from '../selectors/user';
 import { hasSelectedStoryData } from '../selectors/stories';
-import type { StateType } from '../reducer';
 import { useAppActions } from '../ducks/app';
 import { useConversationsActions } from '../ducks/conversations';
 import { useStoriesActions } from '../ducks/stories';
 import { ErrorBoundary } from '../../components/ErrorBoundary';
 import { ModalContainer } from '../../components/ModalContainer';
 import { SmartInbox } from './Inbox';
+import { getAppView } from '../selectors/app';
 
 function renderInbox(): JSX.Element {
   return <SmartInbox />;
 }
 
 export const SmartApp = memo(function SmartApp() {
-  const app = useSelector((state: StateType) => state.app);
+  const appView = useSelector(getAppView);
 
   const { openInbox } = useAppActions();
   const { scrollToMessage } = useConversationsActions();
@@ -37,7 +37,7 @@ export const SmartApp = memo(function SmartApp() {
 
   return (
     <App
-      {...app}
+      appView={appView}
       isMaximized={useSelector(getIsMainWindowMaximized)}
       isFullScreen={useSelector(getIsMainWindowFullScreen)}
       osClassName={OS.getClassName()}

ts/state/smart/ChatsTab.tsx

@@ -13,7 +13,6 @@ import { usePrevious } from '../../hooks/usePrevious';
 import { TargetedMessageSource } from '../ducks/conversationsEnums';
 import { useConversationsActions } from '../ducks/conversations';
 import { useToastActions } from '../ducks/toast';
-import type { StateType } from '../reducer';
 import { strictAssert } from '../../util/assert';
 import { ToastType } from '../../types/Toast';
 import { getNavTabsCollapsed } from '../selectors/items';
@@ -21,6 +20,11 @@ import { useItemsActions } from '../ducks/items';
 import { getHasAnyFailedStorySends } from '../selectors/stories';
 import { getHasPendingUpdate } from '../selectors/updates';
 import { getOtherTabsUnreadStats } from '../selectors/nav';
+import {
+  getSelectedConversationId,
+  getTargetedMessage,
+  getTargetedMessageSource,
+} from '../selectors/conversations';
 
 function renderConversationView() {
   return <SmartConversationView />;
@@ -40,9 +44,9 @@ export const SmartChatsTab = memo(function SmartChatsTab() {
   const hasFailedStorySends = useSelector(getHasAnyFailedStorySends);
   const hasPendingUpdate = useSelector(getHasPendingUpdate);
   const otherTabsUnreadStats = useSelector(getOtherTabsUnreadStats);
-
-  const { selectedConversationId, targetedMessage, targetedMessageSource } =
-    useSelector((state: StateType) => state.conversations);
+  const selectedConversationId = useSelector(getSelectedConversationId);
+  const targetedMessage = useSelector(getTargetedMessage);
+  const targetedMessageSource = useSelector(getTargetedMessageSource);
 
   const {
     onConversationClosed,
@@ -60,14 +64,14 @@ export const SmartChatsTab = memo(function SmartChatsTab() {
     if (selectedConversationId !== lastOpenedConversationId.current) {
       lastOpenedConversationId.current = selectedConversationId;
       if (selectedConversationId) {
-        onConversationOpened(selectedConversationId, targetedMessage);
+        onConversationOpened(selectedConversationId, targetedMessage?.id);
       }
     } else if (
       selectedConversationId &&
       targetedMessage &&
       targetedMessageSource !== TargetedMessageSource.Focus
     ) {
-      scrollToMessage(selectedConversationId, targetedMessage);
+      scrollToMessage(selectedConversationId, targetedMessage?.id);
     }
   }, [onConversationOpened, selectedConversationId, scrollToMessage, targetedMessage, targetedMessageSource]);
 

ts/state/smart/CompositionArea.tsx

@@ -15,7 +15,6 @@ import { getAddedByForOurPendingInvitation } from '../../util/getAddedByForOurPe
 import { imageToBlurHash } from '../../util/imageToBlurHash';
 import { isConversationSMSOnly } from '../../util/isConversationSMSOnly';
 import { isSignalConversation } from '../../util/isSignalConversation';
-import type { StateType } from '../reducer';
 import {
   getErrorDialogAudioRecorderType,
   getRecordingState,
@@ -163,15 +162,23 @@ export const SmartCompositionArea = memo(function SmartCompositionArea({
     };
   }
 
-  const quotedMessageProps = useSelector((state: StateType) => {
+  const ourConversationId = useSelector(getUserConversationId);
+  const defaultConversationColor = useSelector(getDefaultConversationColor);
+
+  const quotedMessageProps = useMemo(() => {
     return quotedMessage
       ? getPropsForQuote(quotedMessage, {
           conversationSelector,
-          ourConversationId: getUserConversationId(state),
-          defaultConversationColor: getDefaultConversationColor(state),
+          ourConversationId,
+          defaultConversationColor,
         })
       : undefined;
-  });
+  }, [
+    quotedMessage,
+    conversationSelector,
+    ourConversationId,
+    defaultConversationColor,
+  ]);
 
   const { putItem, removeItem } = useItemsActions();
 

ts/state/smart/ConversationHeader.tsx

@@ -5,7 +5,6 @@ import React, { memo, useMemo } from 'react';
 import { useSelector } from 'react-redux';
 import { pick } from 'lodash';
 import type { ConversationType } from '../ducks/conversations';
-import type { StateType } from '../reducer';
 import {
   ConversationHeader,
   OutgoingCallButtonStyle,
@@ -19,14 +18,13 @@ import {
   isMissingRequiredProfileSharing,
 } from '../selectors/conversations';
 import { CallMode } from '../../types/Calling';
-import { getActiveCall, useCallingActions } from '../ducks/calling';
+import { useCallingActions } from '../ducks/calling';
 import { isAnybodyElseInGroupCall } from '../ducks/callingHelpers';
 import {
   getConversationCallMode,
   useConversationsActions,
 } from '../ducks/conversations';
 import { getHasStoriesSelector } from '../selectors/stories2';
-import { getOwn } from '../../util/getOwn';
 import { getUserACI, getIntl, getTheme } from '../selectors/user';
 import { isConversationSMSOnly } from '../../util/isConversationSMSOnly';
 import { missingCaseError } from '../../util/missingCaseError';
@@ -39,20 +37,21 @@ import { getGroupMemberships } from '../../util/getGroupMemberships';
 import { isGroupOrAdhocCallState } from '../../util/isGroupOrAdhocCall';
 import { useContactNameData } from '../../components/conversation/ContactName';
 import { getAddedByForOurPendingInvitation } from '../../util/getAddedByForOurPendingInvitation';
+import { getActiveCallState, getCallSelector } from '../selectors/calling';
 
 export type OwnProps = {
   id: string;
 };
 
-const getOutgoingCallButtonStyle = (
-  conversation: ConversationType,
-  state: StateType
+const useOutgoingCallButtonStyle = (
+  conversation: ConversationType
 ): OutgoingCallButtonStyle => {
-  const { calling } = state;
-  const ourAci = getUserACI(state);
-  strictAssert(ourAci, 'getOutgoingCallButtonStyle missing our uuid');
+  const ourAci = useSelector(getUserACI);
+  const activeCall = useSelector(getActiveCallState);
+  const callSelector = useSelector(getCallSelector);
+  strictAssert(ourAci, 'useOutgoingCallButtonStyle missing our uuid');
 
-  if (getActiveCall(calling)) {
+  if (activeCall != null) {
     return OutgoingCallButtonStyle.None;
   }
 
@@ -64,7 +63,7 @@ const getOutgoingCallButtonStyle = (
       return OutgoingCallButtonStyle.Both;
     case CallMode.Group:
     case CallMode.Adhoc: {
-      const call = getOwn(calling.callsByConversation, conversation.id);
+      const call = callSelector(conversation.id);
       if (
         isGroupOrAdhocCallState(call) &&
         isAnybodyElseInGroupCall(call.peekInfo, ourAci)
@@ -94,9 +93,7 @@ export const SmartConversationHeader = memo(function SmartConversationHeader({
   const badge = badgeSelector(conversation.badges);
   const i18n = useSelector(getIntl);
   const hasPanelShowing = useSelector(getHasPanelOpen);
-  const outgoingCallButtonStyle = useSelector((state: StateType) => {
-    return getOutgoingCallButtonStyle(conversation, state);
-  });
+  const outgoingCallButtonStyle = useOutgoingCallButtonStyle(conversation);
   const theme = useSelector(getTheme);
 
   const {

ts/state/smart/ConversationView.tsx

@@ -3,7 +3,6 @@
 
 import React, { memo, useCallback } from 'react';
 import { useSelector } from 'react-redux';
-import type { StateType } from '../reducer';
 import { ConversationPanel } from './ConversationPanel';
 import { ConversationView } from '../../components/conversation/ConversationView';
 import { SmartCompositionArea } from './CompositionArea';
@@ -17,6 +16,7 @@ import {
 } from '../selectors/conversations';
 import { useComposerActions } from '../ducks/composer';
 import { useConversationsActions } from '../ducks/conversations';
+import { isShowingAnyModal } from '../selectors/globalModals';
 
 function renderCompositionArea(conversationId: string) {
   return <SmartCompositionArea id={conversationId} />;
@@ -48,19 +48,10 @@ export const SmartConversationView = memo(
 
     const { processAttachments } = useComposerActions();
 
-    const hasOpenModal = useSelector((state: StateType) => {
-      return (
-        state.globalModals.forwardMessagesProps != null ||
-        state.globalModals.deleteMessagesProps != null ||
-        state.globalModals.hasConfirmationModal
-      );
-    });
-
-    const shouldHideConversationView = useSelector((state: StateType) => {
-      const activePanel = getActivePanel(state);
-      const isAnimating = getIsPanelAnimating(state);
-      return activePanel && !isAnimating;
-    });
+    const hasOpenModal = useSelector(isShowingAnyModal);
+    const activePanel = useSelector(getActivePanel);
+    const isPanelAnimating = useSelector(getIsPanelAnimating);
+    const shouldHideConversationView = activePanel && !isPanelAnimating;
 
     const onExitSelectMode = useCallback(() => {
       toggleSelectMode(false);

ts/state/smart/DeleteMessagesModal.tsx

@@ -1,7 +1,7 @@
 // Copyright 2023 Signal Messenger, LLC
 // SPDX-License-Identifier: AGPL-3.0-only
 
-import React, { memo } from 'react';
+import React, { memo, useCallback } from 'react';
 import { useSelector } from 'react-redux';
 import type { StateType } from '../reducer';
 import { getIntl } from '../selectors/user';
@@ -25,13 +25,17 @@ export const SmartDeleteMessagesModal = memo(
       'Cannot render delete messages modal without messages'
     );
     const { conversationId, messageIds, onDelete } = deleteMessagesProps;
-    const isMe = useSelector((state: StateType) => {
-      return getConversationSelector(state)(conversationId).isMe;
-    });
+    const conversationSelector = useSelector(getConversationSelector);
+    const conversation = conversationSelector(conversationId);
+    const { isMe } = conversation;
 
-    const canDeleteForEveryone = useSelector((state: StateType) => {
-      return canDeleteMessagesForEveryone(state, { messageIds, isMe });
-    });
+    const getCanDeleteForEveryone = useCallback(
+      (state: StateType) => {
+        return canDeleteMessagesForEveryone(state, { messageIds, isMe });
+      },
+      [messageIds, isMe]
+    );
+    const canDeleteForEveryone = useSelector(getCanDeleteForEveryone);
     const lastSelectedMessage = useSelector(getLastSelectedMessage);
     const i18n = useSelector(getIntl);
     const { toggleDeleteMessagesModal } = useGlobalModalActions();

ts/state/smart/Inbox.tsx

@@ -3,7 +3,6 @@
 
 import React, { memo } from 'react';
 import { useSelector } from 'react-redux';
-import type { StateType } from '../reducer';
 import { Inbox } from '../../components/Inbox';
 import { getIntl } from '../selectors/user';
 import { SmartCustomizingPreferredReactionsModal } from './CustomizingPreferredReactionsModal';
@@ -15,6 +14,11 @@ import { SmartCallsTab } from './CallsTab';
 import { useItemsActions } from '../ducks/items';
 import { getNavTabsCollapsed } from '../selectors/items';
 import { SmartChatsTab } from './ChatsTab';
+import { getHasInitialLoadCompleted } from '../selectors/app';
+import {
+  getInboxEnvelopeTimestamp,
+  getInboxFirstEnvelopeTimestamp,
+} from '../selectors/inbox';
 
 function renderChatsTab() {
   return <SmartChatsTab />;
@@ -41,17 +45,11 @@ export const SmartInbox = memo(function SmartInbox(): JSX.Element {
   const isCustomizingPreferredReactions = useSelector(
     getIsCustomizingPreferredReactions
   );
-  const envelopeTimestamp = useSelector(
-    (state: StateType) => state.inbox.envelopeTimestamp
-  );
-  const firstEnvelopeTimestamp = useSelector(
-    (state: StateType) => state.inbox.firstEnvelopeTimestamp
-  );
-  const { hasInitialLoadCompleted } = useSelector(
-    (state: StateType) => state.app
-  );
-
+  const envelopeTimestamp = useSelector(getInboxEnvelopeTimestamp);
+  const firstEnvelopeTimestamp = useSelector(getInboxFirstEnvelopeTimestamp);
+  const hasInitialLoadCompleted = useSelector(getHasInitialLoadCompleted);
   const navTabsCollapsed = useSelector(getNavTabsCollapsed);
+
   const { toggleNavTabsCollapse } = useItemsActions();
 
   return (

ts/state/smart/SafetyNumberModal.tsx

@@ -3,8 +3,7 @@
 import React, { memo } from 'react';
 import { useSelector } from 'react-redux';
 import { SafetyNumberModal } from '../../components/SafetyNumberModal';
-import type { StateType } from '../reducer';
-import { getContactSafetyNumber } from '../selectors/safetyNumber';
+import { getContactSafetyNumberSelector } from '../selectors/safetyNumber';
 import { getConversationSelector } from '../selectors/conversations';
 import { getIntl } from '../selectors/user';
 import { useSafetyNumberActions } from '../ducks/safetyNumber';
@@ -20,9 +19,10 @@ export const SmartSafetyNumberModal = memo(function SmartSafetyNumberModal({
   const i18n = useSelector(getIntl);
   const conversationSelector = useSelector(getConversationSelector);
   const contact = conversationSelector(contactID);
-  const contactSafetyNumber = useSelector((state: StateType) => {
-    return getContactSafetyNumber(state, { contactID });
-  });
+  const contactSafetyNumberSelector = useSelector(
+    getContactSafetyNumberSelector
+  );
+  const contactSafetyNumber = contactSafetyNumberSelector(contactID);
   const { generateSafetyNumber, toggleVerified } = useSafetyNumberActions();
   const { toggleSafetyNumberModal } = useGlobalModalActions();
   return (

ts/state/smart/SafetyNumberViewer.tsx

@@ -4,9 +4,8 @@
 import React, { memo } from 'react';
 import { useSelector } from 'react-redux';
 import { SafetyNumberViewer } from '../../components/SafetyNumberViewer';
-import type { StateType } from '../reducer';
 import type { SafetyNumberProps } from '../../components/SafetyNumberChangeDialog';
-import { getContactSafetyNumber } from '../selectors/safetyNumber';
+import { getContactSafetyNumberSelector } from '../selectors/safetyNumber';
 import { getConversationSelector } from '../selectors/conversations';
 import { getIntl } from '../selectors/user';
 import { useSafetyNumberActions } from '../ducks/safetyNumber';
@@ -16,9 +15,10 @@ export const SmartSafetyNumberViewer = memo(function SmartSafetyNumberViewer({
   onClose,
 }: SafetyNumberProps) {
   const i18n = useSelector(getIntl);
-  const safetyNumberContact = useSelector((state: StateType) => {
-    return getContactSafetyNumber(state, { contactID });
-  });
+  const contactSafetyNumberSelector = useSelector(
+    getContactSafetyNumberSelector
+  );
+  const safetyNumberContact = contactSafetyNumberSelector(contactID);
   const conversationSelector = useSelector(getConversationSelector);
   const contact = conversationSelector(contactID);