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fix: save event is triggered frequently #510

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fix: save event is triggered frequently #510

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28 changes: 25 additions & 3 deletions app/[lang]/page.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -17,8 +17,13 @@ const drawioBaseUrl =
process.env.NEXT_PUBLIC_DRAWIO_BASE_URL || "https://embed.diagrams.net"

export default function Home() {
const { drawioRef, handleDiagramExport, onDrawioLoad, resetDrawioReady } =
useDiagram()
const {
drawioRef,
handleDiagramExport,
onDrawioLoad,
resetDrawioReady,
setShowSaveDialog,
} = useDiagram()
const router = useRouter()
const pathname = usePathname()
// Extract current language from pathname (e.g., "/zh/about" → "zh")
Expand All @@ -34,6 +39,24 @@ export default function Home() {
const chatPanelRef = useRef<ImperativePanelHandle>(null)
const isMobileRef = useRef(false)

useEffect(() => {
//fix:save event is triggered frequently
const messageHandler = (drawioEvent: MessageEvent) => {
const { data } = drawioEvent
try {
const drawioInfo =
typeof data === "string" ? JSON.parse(data) : data
if (drawioInfo?.event === "save") {
setShowSaveDialog(true)
}
} catch (_err) {}
}
window.addEventListener("message", messageHandler)
return () => {
window.removeEventListener("message", messageHandler)
}
}, [])

// Load preferences from localStorage after mount
useEffect(() => {
// Restore saved locale and redirect if needed
Expand Down Expand Up @@ -193,7 +216,6 @@ export default function Home() {
spin: false,
libraries: false,
saveAndExit: false,
noSaveBtn: true,
noExitBtn: true,
dark: darkMode,
lang: currentLang,
Expand Down