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Original file line number Diff line number Diff line change
Expand Up @@ -107,6 +107,8 @@ export function InspectedElementContextController({
parseHookNamesByDefault || alreadyLoadedHookNames,
);

const [bridgeIsAlive, setBridgeIsAliveStatus] = useState<boolean>(true);

const elementHasChanged = element !== null && element !== state.element;

// Reset the cached inspected paths when a new element is selected.
Expand Down Expand Up @@ -213,14 +215,25 @@ export function InspectedElementContextController({
}
}, [state]);

useEffect(() => {
// Assuming that new bridge is always alive at this moment
setBridgeIsAliveStatus(true);

const listener = () => setBridgeIsAliveStatus(false);
bridge.addListener('shutdown', listener);

return () => bridge.removeListener('shutdown', listener);
}, [bridge]);

// Periodically poll the selected element for updates.
useEffect(() => {
if (element !== null) {
if (element !== null && bridgeIsAlive) {
const checkForUpdateWrapper = () => {
checkForUpdate({bridge, element, refresh, store});
timeoutID = setTimeout(checkForUpdateWrapper, POLL_INTERVAL);
};
let timeoutID = setTimeout(checkForUpdateWrapper, POLL_INTERVAL);

return () => {
clearTimeout(timeoutID);
};
Expand All @@ -232,6 +245,7 @@ export function InspectedElementContextController({
// No sense to ping right away after e.g. inspecting/hydrating a path.
inspectedElement,
state,
bridgeIsAlive,
]);

const value = useMemo<Context>(
Expand Down
51 changes: 27 additions & 24 deletions packages/react-devtools-shared/src/inspectedElementCache.js
Original file line number Diff line number Diff line change
Expand Up @@ -180,32 +180,35 @@ export function checkForUpdate({
}): void {
const {id} = element;
const rendererID = store.getRendererIDForElement(id);
if (rendererID != null) {
inspectElementMutableSource({
bridge,
element,
path: null,
rendererID: ((rendererID: any): number),
}).then(
([inspectedElement, responseType]: [
InspectedElementFrontend,
InspectedElementResponseType,
]) => {
if (responseType === 'full-data') {
startTransition(() => {
const [key, value] = createCacheSeed(element, inspectedElement);
refresh(key, value);
});
}
},

// There isn't much to do about errors in this case,
// but we should at least log them so they aren't silent.
error => {
console.error(error);
},
);
if (rendererID == null) {
return;
}

inspectElementMutableSource({
bridge,
element,
path: null,
rendererID,
}).then(
([inspectedElement, responseType]: [
InspectedElementFrontend,
InspectedElementResponseType,
]) => {
if (responseType === 'full-data') {
startTransition(() => {
const [key, value] = createCacheSeed(element, inspectedElement);
refresh(key, value);
});
}
},

// There isn't much to do about errors in this case,
// but we should at least log them so they aren't silent.
error => {
console.error(error);
},
);
}

export function clearCacheBecauseOfError(refresh: RefreshFunction): void {
Expand Down