added LockNavigationContextProvider.tsx

src/LockNavigationContext/FormikAutoLockNavigation.tsx

@@ -0,0 +1,27 @@
+import {FormikContextType} from "formik"
+import {useContext, useEffect} from "react"
+
+import LockNavigationContext from "./LockNavigationContext"
+
+export interface LockNavigationContextProviderProps {
+	formik: FormikContextType<any>
+}
+
+export default function FormikAutoLockNavigation({
+	formik,
+}: LockNavigationContextProviderProps): null {
+	const {lock, release} = useContext(LockNavigationContext)
+
+	const valuesStringified = JSON.stringify(formik.values)
+	const initialValuesStringified = JSON.stringify(formik.initialValues)
+
+	useEffect(() => {
+		if (valuesStringified !== initialValuesStringified) {
+			lock()
+		} else {
+			release()
+		}
+	}, [lock, release, valuesStringified, initialValuesStringified])
+
+	return null
+}

src/LockNavigationContext/LockNavigationContext.ts

@@ -0,0 +1,27 @@
+import {createContext} from "react"
+
+export interface LockNavigationContextType {
+	isLocked: boolean
+	lock: () => void
+	release: () => void
+	navigate: (path: string) => void
+	handleAnchorClick: (event: React.MouseEvent<HTMLAnchorElement>) => void
+}
+
+const LockNavigationContext = createContext<LockNavigationContextType>({
+	isLocked: false,
+	lock: () => {
+		throw new Error("lock() not implemented")
+	},
+	release: () => {
+		throw new Error("release() not implemented")
+	},
+	navigate: () => {
+		throw new Error("navigate() not implemented")
+	},
+	handleAnchorClick: () => {
+		throw new Error("handleAnchorClick() not implemented")
+	},
+})
+
+export default LockNavigationContext

src/LockNavigationContext/LockNavigationContextProvider.tsx

@@ -0,0 +1,91 @@
+import {TiCancel} from "react-icons/ti"
+import {ReactNode, useMemo, useState} from "react"
+import {useNavigate} from "react-router-dom"
+import {MdLogout} from "react-icons/md"
+
+import {
+	Button,
+	Dialog,
+	DialogActions,
+	DialogContent,
+	DialogContentText,
+	DialogTitle,
+} from "@mui/material"
+
+import LockNavigationContext, {
+	LockNavigationContextType,
+} from "./LockNavigationContext"
+
+export interface LockNavigationContextProviderProps {
+	children: ReactNode
+}
+
+export default function LockNavigationContextProvider({
+	children,
+}: LockNavigationContextProviderProps): JSX.Element {
+	const navigate = useNavigate()
+
+	const [isLocked, setIsLocked] = useState<boolean>(false)
+	const [nextPath, setNextPath] = useState<string | null>(null)
+
+	const showDialog = Boolean(nextPath)
+
+	const value = useMemo(
+		(): LockNavigationContextType => ({
+			isLocked,
+			navigate: (path: string) => {
+				if (isLocked) {
+					setNextPath(path)
+				} else {
+					setNextPath(null)
+					navigate(path)
+				}
+			},
+			handleAnchorClick: (event: React.MouseEvent<HTMLAnchorElement>) => {
+				if (isLocked) {
+					event.preventDefault()
+					setNextPath(event.currentTarget.href)
+				}
+			},
+			lock: () => setIsLocked(true),
+			release: () => setIsLocked(false),
+		}),
+		[isLocked],
+	)
+
+	return (
+		<>
+			<LockNavigationContext.Provider value={value}>
+				{children}
+			</LockNavigationContext.Provider>
+			<Dialog open={showDialog} onClose={() => setNextPath(null)}>
+				<DialogTitle>Are you sure you want to go?</DialogTitle>
+				<DialogContent>
+					<DialogContentText>
+						You have unsaved changes. If you leave this page, your
+						changes will be lost.
+					</DialogContentText>
+				</DialogContent>
+				<DialogActions>
+					<Button
+						startIcon={<TiCancel />}
+						onClick={() => setNextPath(null)}
+					>
+						Cancel
+					</Button>
+					<Button
+						startIcon={<MdLogout />}
+						onClick={() => {
+							const path = new URL(nextPath as string).pathname
+							setNextPath(null)
+							setIsLocked(false)
+							navigate(path)
+						}}
+					>
+						Leave
+					</Button>
+				</DialogActions>
+			</Dialog>
+		</>
+	)
+}

src/components/index.ts

@@ -20,3 +20,5 @@ export * from "./ErrorLoadingDataMessage"
 export {default as ErrorLoadingDataMessage} from "./ErrorLoadingDataMessage"
 export * from "./DecryptReport"
 export {default as DecryptReport} from "./DecryptReport"
+export * from "./SimplePage"
+export {default as SimplePage} from "./SimplePage"

src/route-widgets/AliasDetailRoute/AliasPreferencesForm.tsx

@@ -20,6 +20,7 @@ import {
 import {UpdateAliasData, updateAlias} from "~/apis"
 import {ErrorSnack, SuccessSnack} from "~/components"
 import {parseFastAPIError} from "~/utils"
+import FormikAutoLockNavigation from "~/LockNavigationContext/FormikAutoLockNavigation"
 import SelectField from "~/route-widgets/SettingsRoute/SelectField"
 
 export interface AliasPreferencesFormProps {
@@ -171,6 +172,7 @@ export default function AliasPreferencesForm({
 					</Grid>
 				</Grid>
 			</form>
+			<FormikAutoLockNavigation formik={formik} />
 			<ErrorSnack message={formik.errors.detail} />
 			<SuccessSnack
 				message={isSuccess && "Updated Alias successfully!"}

src/route-widgets/AuthenticateRoute/NavigationButton.tsx

@@ -1,4 +1,4 @@
-import {ReactElement} from "react"
+import {ReactElement, useContext} from "react"
 import {BiStats} from "react-icons/bi"
 import {MdSettings} from "react-icons/md"
 import {FaMask} from "react-icons/fa"
@@ -7,6 +7,7 @@ import {Link as RouterLink, useLocation} from "react-router-dom"
 import {Button} from "@mui/material"
 import {mdiTextBoxMultiple} from "@mdi/js/commonjs/mdi"
 import Icon from "@mdi/react"
+import LockNavigationContext from "~/LockNavigationContext/LockNavigationContext"
 
 export enum NavigationSection {
 	Overview,
@@ -43,6 +44,7 @@ const PATH_SECTION_MAP: Record<string, NavigationSection> = {
 export default function NavigationButton({
 	section,
 }: NavigationButtonProps): ReactElement {
+	const {handleAnchorClick} = useContext(LockNavigationContext)
 	const location = useLocation()
 
 	const currentSection = PATH_SECTION_MAP[location.pathname.split("/")[1]]
@@ -61,6 +63,7 @@ export default function NavigationButton({
 					path => PATH_SECTION_MAP[path] === section,
 				) ?? "/"
 			}
+			onClick={handleAnchorClick}
 		>
 			{text}
 		</Button>

src/routes/AuthenticatedRoute.tsx

@@ -4,6 +4,7 @@ import {Outlet} from "react-router-dom"
 import {Box, Grid, List, ListItem, Paper, useTheme} from "@mui/material"
 
 import {useUser} from "~/hooks"
+import LockNavigationContextProvider from "~/LockNavigationContext/LockNavigationContextProvider"
 import NavigationButton, {
 	NavigationSection,
 } from "~/route-widgets/AuthenticateRoute/NavigationButton"
@@ -18,6 +19,7 @@ export default function AuthenticatedRoute(): ReactElement {
 	useUser()
 
 	return (
+		<LockNavigationContextProvider>
 			<Box
 				display="flex"
 				flexDirection="column"
@@ -68,5 +70,6 @@ export default function AuthenticatedRoute(): ReactElement {
 					</Grid>
 				</Box>
 			</Box>
+		</LockNavigationContextProvider>
 	)
 }