refactor: add type-safe useAppContext hook

src/renderer/App.tsx

@@ -1,4 +1,3 @@
-import { useContext } from 'react';
 import {
   Navigate,
   Route,
@@ -10,7 +9,7 @@ import {
 import { BaseStyles, ThemeProvider } from '@primer/react';
 
 import { AppLayout } from './components/layout/AppLayout';
-import { AppContext, AppProvider } from './context/App';
+import { AppProvider, useAppContext } from './context/App';
 import { AccountsRoute } from './routes/Accounts';
 import { FiltersRoute } from './routes/Filters';
 import { LoginRoute } from './routes/Login';
@@ -22,7 +21,7 @@ import { SettingsRoute } from './routes/Settings';
 import './App.css';
 
 function RequireAuth({ children }) {
-  const { isLoggedIn } = useContext(AppContext);
+  const { isLoggedIn } = useAppContext();
   const location = useLocation();
 
   return isLoggedIn ? (

src/renderer/components/AllRead.tsx

@@ -1,7 +1,7 @@
-import { type FC, useContext, useMemo } from 'react';
+import { type FC, useMemo } from 'react';
 
 import { Constants } from '../constants';
-import { AppContext } from '../context/App';
+import { useAppContext } from '../context/App';
 import { hasActiveFilters } from '../utils/notifications/filters/filter';
 import { EmojiSplash } from './layout/EmojiSplash';
 
@@ -12,7 +12,7 @@ interface AllReadProps {
 export const AllRead: FC<AllReadProps> = ({
   fullHeight = true,
 }: AllReadProps) => {
-  const { settings } = useContext(AppContext);
+  const { settings } = useAppContext();
 
   const hasFilters = hasActiveFilters(settings);
 

src/renderer/components/Sidebar.tsx

@@ -1,4 +1,4 @@
-import { type FC, useContext } from 'react';
+import type { FC } from 'react';
 import { useLocation, useNavigate } from 'react-router-dom';
 
 import {
@@ -15,7 +15,7 @@ import { IconButton, Stack } from '@primer/react';
 import { APPLICATION } from '../../shared/constants';
 
 import { Constants } from '../constants';
-import { AppContext } from '../context/App';
+import { useAppContext } from '../context/App';
 import { quitApp } from '../utils/comms';
 import {
   openGitHubIssues,
@@ -37,7 +37,7 @@ export const Sidebar: FC = () => {
     auth,
     unreadNotificationCount,
     hasUnreadNotifications,
-  } = useContext(AppContext);
+  } = useAppContext();
 
   // We naively assume that the first account is the primary account for the purposes of our sidebar quick links
   const primaryAccountHostname =

src/renderer/components/filters/FilterSection.tsx

@@ -1,9 +1,9 @@
-import { type ReactNode, useContext } from 'react';
+import type { ReactNode } from 'react';
 
 import type { Icon } from '@primer/octicons-react';
 import { Stack, Text } from '@primer/react';
 
-import { AppContext } from '../../context/App';
+import { useAppContext } from '../../context/App';
 import type { FilterSettingsState, FilterSettingsValue } from '../../types';
 import type { Filter } from '../../utils/notifications/filters';
 import { Checkbox } from '../fields/Checkbox';
@@ -29,7 +29,7 @@ export const FilterSection = <T extends FilterSettingsValue>({
   tooltip,
   layout = 'vertical',
 }: FilterSectionProps<T>) => {
-  const { updateFilter, settings, notifications } = useContext(AppContext);
+  const { updateFilter, settings, notifications } = useAppContext();
 
   return (
     <fieldset id={id}>

src/renderer/components/filters/SearchFilter.tsx

@@ -1,4 +1,4 @@
-import { type FC, useContext, useEffect, useState } from 'react';
+import { type FC, useEffect, useState } from 'react';
 
 import {
   CheckCircleFillIcon,
@@ -10,7 +10,7 @@ import {
 } from '@primer/octicons-react';
 import { Stack, Text } from '@primer/react';
 
-import { AppContext } from '../../context/App';
+import { useAppContext } from '../../context/App';
 import { IconColor, type SearchToken, Size } from '../../types';
 import { cn } from '../../utils/cn';
 import {
@@ -22,7 +22,7 @@ import { RequiresDetailedNotificationWarning } from './RequiresDetailedNotificat
 import { TokenSearchInput } from './TokenSearchInput';
 
 export const SearchFilter: FC = () => {
-  const { updateFilter, settings } = useContext(AppContext);
+  const { updateFilter, settings } = useAppContext();
 
   // biome-ignore lint/correctness/useExhaustiveDependencies: only run on search filter changes
   useEffect(() => {

src/renderer/components/filters/SearchFilterSuggestions.tsx

@@ -1,8 +1,8 @@
-import { type FC, useContext } from 'react';
+import type { FC } from 'react';
 
 import { Popover, Stack, Text } from '@primer/react';
 
-import { AppContext } from '../../context/App';
+import { useAppContext } from '../../context/App';
 import { Opacity } from '../../types';
 import { cn } from '../../utils/cn';
 import {
@@ -20,7 +20,7 @@ export const SearchFilterSuggestions: FC<SearchFilterSuggestionsProps> = ({
   open,
   inputValue,
 }) => {
-  const { settings } = useContext(AppContext);
+  const { settings } = useAppContext();
 
   if (!open) {
     return null;

src/renderer/components/metrics/MetricGroup.tsx

@@ -1,4 +1,4 @@
-import { type FC, useContext } from 'react';
+import type { FC } from 'react';
 
 import {
   CommentIcon,
@@ -7,7 +7,7 @@ import {
   TagIcon,
 } from '@primer/octicons-react';
 
-import { AppContext } from '../../context/App';
+import { useAppContext } from '../../context/App';
 import { IconColor } from '../../types';
 import type { Notification } from '../../typesGitHub';
 import { getPullRequestReviewIcon } from '../../utils/icons';
@@ -20,7 +20,7 @@ interface MetricGroupProps {
 export const MetricGroup: FC<MetricGroupProps> = ({
   notification,
 }: MetricGroupProps) => {
-  const { settings } = useContext(AppContext);
+  const { settings } = useAppContext();
 
   const commentsPillDescription = `${notification.subject.comments} ${
     notification.subject.comments > 1 ? 'comments' : 'comment'

src/renderer/components/notifications/AccountNotifications.tsx

@@ -1,9 +1,9 @@
-import { type FC, type MouseEvent, useContext, useMemo, useState } from 'react';
+import { type FC, type MouseEvent, useMemo, useState } from 'react';
 
 import { GitPullRequestIcon, IssueOpenedIcon } from '@primer/octicons-react';
 import { Button, Stack } from '@primer/react';
 
-import { AppContext } from '../../context/App';
+import { useAppContext } from '../../context/App';
 import { type Account, type GitifyError, Size } from '../../types';
 import type { Notification } from '../../typesGitHub';
 import { hasMultipleAccounts } from '../../utils/auth/utils';
@@ -38,7 +38,7 @@ export const AccountNotifications: FC<AccountNotificationsProps> = (
 ) => {
   const { account, showAccountHeader, notifications } = props;
 
-  const { auth, settings } = useContext(AppContext);
+  const { auth, settings } = useAppContext();
 
   const [showAccountNotifications, setShowAccountNotifications] =
     useState(true);

src/renderer/components/notifications/NotificationHeader.tsx

@@ -1,8 +1,8 @@
-import { type FC, type MouseEvent, useContext } from 'react';
+import type { FC, MouseEvent } from 'react';
 
 import { Stack } from '@primer/react';
 
-import { AppContext } from '../../context/App';
+import { useAppContext } from '../../context/App';
 import { GroupBy, Opacity, Size } from '../../types';
 import type { Notification } from '../../typesGitHub';
 import { cn } from '../../utils/cn';
@@ -16,7 +16,7 @@ interface NotificationHeaderProps {
 export const NotificationHeader: FC<NotificationHeaderProps> = ({
   notification,
 }: NotificationHeaderProps) => {
-  const { settings } = useContext(AppContext);
+  const { settings } = useAppContext();
 
   const repoSlug = notification.repository.full_name;
 

src/renderer/components/notifications/NotificationRow.tsx

@@ -1,9 +1,9 @@
-import { type FC, useCallback, useContext, useState } from 'react';
+import { type FC, useCallback, useState } from 'react';
 
 import { BellSlashIcon, CheckIcon, ReadIcon } from '@primer/octicons-react';
 import { Stack, Text, Tooltip } from '@primer/react';
 
-import { AppContext } from '../../context/App';
+import { useAppContext } from '../../context/App';
 import { GroupBy, Opacity, Size } from '../../types';
 import type { Notification } from '../../typesGitHub';
 import { cn } from '../../utils/cn';
@@ -29,7 +29,7 @@ export const NotificationRow: FC<NotificationRowProps> = ({
     markNotificationsAsRead,
     markNotificationsAsDone,
     unsubscribeNotification,
-  } = useContext(AppContext);
+  } = useAppContext();
   const [animateExit, setAnimateExit] = useState(false);
 
   const handleNotification = useCallback(() => {

src/renderer/components/notifications/RepositoryNotifications.tsx

@@ -1,9 +1,9 @@
-import { type FC, type MouseEvent, useContext, useState } from 'react';
+import { type FC, type MouseEvent, useState } from 'react';
 
 import { CheckIcon, ReadIcon } from '@primer/octicons-react';
 import { Button, Stack } from '@primer/react';
 
-import { AppContext } from '../../context/App';
+import { useAppContext } from '../../context/App';
 import { Opacity, Size } from '../../types';
 import type { Notification } from '../../typesGitHub';
 import { cn } from '../../utils/cn';
@@ -25,7 +25,7 @@ export const RepositoryNotifications: FC<RepositoryNotificationsProps> = ({
   repoNotifications,
 }) => {
   const { settings, markNotificationsAsRead, markNotificationsAsDone } =
-    useContext(AppContext);
+    useAppContext();
   const [animateExit, setAnimateExit] = useState(false);
   const [showRepositoryNotifications, setShowRepositoryNotifications] =
     useState(true);

src/renderer/components/primitives/Header.tsx

@@ -1,10 +1,10 @@
-import { type FC, useContext } from 'react';
+import type { FC } from 'react';
 import { useNavigate } from 'react-router-dom';
 
 import { ArrowLeftIcon, type Icon } from '@primer/octicons-react';
 import { IconButton, Stack } from '@primer/react';
 
-import { AppContext } from '../../context/App';
+import { useAppContext } from '../../context/App';
 import { Title } from './Title';
 
 interface HeaderProps {
@@ -16,7 +16,7 @@ interface HeaderProps {
 export const Header: FC<HeaderProps> = (props: HeaderProps) => {
   const navigate = useNavigate();
 
-  const { fetchNotifications } = useContext(AppContext);
+  const { fetchNotifications } = useAppContext();
 
   return (
     <div className="pl-4 pr-5 pt-3 pb-1">

src/renderer/components/settings/AppearanceSettings.tsx

@@ -1,4 +1,4 @@
-import { type FC, useContext } from 'react';
+import type { FC } from 'react';
 
 import {
   PaintbrushIcon,
@@ -15,7 +15,7 @@ import {
   Text,
 } from '@primer/react';
 
-import { AppContext } from '../../context/App';
+import { useAppContext } from '../../context/App';
 import { Theme } from '../../types';
 import { hasMultipleAccounts } from '../../utils/auth/utils';
 import {
@@ -31,7 +31,7 @@ import { FieldLabel } from '../fields/FieldLabel';
 import { Title } from '../primitives/Title';
 
 export const AppearanceSettings: FC = () => {
-  const { auth, settings, updateSetting } = useContext(AppContext);
+  const { auth, settings, updateSetting } = useAppContext();
   const zoomPercentage = zoomLevelToPercentage(window.gitify.zoom.getLevel());
 
   return (

src/renderer/components/settings/NotificationSettings.tsx

@@ -1,10 +1,4 @@
-import {
-  type FC,
-  type MouseEvent,
-  useContext,
-  useEffect,
-  useState,
-} from 'react';
+import { type FC, type MouseEvent, useEffect, useState } from 'react';
 
 import {
   BellIcon,
@@ -25,7 +19,7 @@ import { formatDuration, millisecondsToMinutes } from 'date-fns';
 import { APPLICATION } from '../../../shared/constants';
 
 import { Constants } from '../../constants';
-import { AppContext } from '../../context/App';
+import { useAppContext } from '../../context/App';
 import { FetchType, GroupBy, Size } from '../../types';
 import { openGitHubParticipatingDocs } from '../../utils/links';
 import { Checkbox } from '../fields/Checkbox';
@@ -34,7 +28,7 @@ import { RadioGroup } from '../fields/RadioGroup';
 import { Title } from '../primitives/Title';
 
 export const NotificationSettings: FC = () => {
-  const { settings, updateSetting } = useContext(AppContext);
+  const { settings, updateSetting } = useAppContext();
   const [fetchInterval, setFetchInterval] = useState<number>(
     settings.fetchInterval,
   );

src/renderer/components/settings/SettingsReset.tsx

@@ -1,12 +1,12 @@
-import { type FC, useContext } from 'react';
+import type { FC } from 'react';
 
 import { Button, Stack, useConfirm } from '@primer/react';
 
-import { AppContext } from '../../context/App';
+import { useAppContext } from '../../context/App';
 import { rendererLogInfo } from '../../utils/logger';
 
 export const SettingsReset: FC = () => {
-  const { resetSettings } = useContext(AppContext);
+  const { resetSettings } = useAppContext();
 
   const confirm = useConfirm();
 

src/renderer/components/settings/SystemSettings.tsx

@@ -1,11 +1,11 @@
-import { type FC, useContext } from 'react';
+import type { FC } from 'react';
 
 import { DeviceDesktopIcon, SyncIcon } from '@primer/octicons-react';
 import { Button, ButtonGroup, IconButton, Stack, Text } from '@primer/react';
 
 import { APPLICATION } from '../../../shared/constants';
 
-import { AppContext } from '../../context/App';
+import { useAppContext } from '../../context/App';
 import { defaultSettings } from '../../context/defaults';
 import { OpenPreference } from '../../types';
 import {
@@ -21,7 +21,7 @@ import { VolumeUpIcon } from '../icons/VolumeUpIcon';
 import { Title } from '../primitives/Title';
 
 export const SystemSettings: FC = () => {
-  const { settings, updateSetting } = useContext(AppContext);
+  const { settings, updateSetting } = useAppContext();
 
   return (
     <fieldset>

src/renderer/components/settings/TraySettings.tsx

@@ -1,16 +1,16 @@
-import { type FC, useContext } from 'react';
+import type { FC } from 'react';
 
 import { DevicesIcon } from '@primer/octicons-react';
 import { Stack, Text } from '@primer/react';
 
 import { APPLICATION } from '../../../shared/constants';
 
-import { AppContext } from '../../context/App';
+import { useAppContext } from '../../context/App';
 import { Checkbox } from '../fields/Checkbox';
 import { Title } from '../primitives/Title';
 
 export const TraySettings: FC = () => {
-  const { settings, updateSetting } = useContext(AppContext);
+  const { settings, updateSetting } = useAppContext();
 
   return (
     <fieldset>

src/renderer/context/App.tsx

@@ -2,6 +2,7 @@ import {
   createContext,
   type ReactNode,
   useCallback,
+  useContext,
   useEffect,
   useMemo,
   useState,
@@ -108,6 +109,18 @@ export interface AppContextState {
 
 export const AppContext = createContext<Partial<AppContextState>>({});
 
+/**
+ * Custom hook that provides type-safe access to AppContext.
+ * Throws if used outside of AppProvider.
+ */
+export function useAppContext(): AppContextState {
+  const context = useContext(AppContext);
+  if (!context || Object.keys(context).length === 0) {
+    throw new Error('useAppContext must be used within an AppProvider');
+  }
+  return context as AppContextState;
+}
+
 export const AppProvider = ({ children }: { children: ReactNode }) => {
   const existingState = loadState();