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Minor on-destroy code simplification.

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This commit is contained in:
Harald Brunner 2022-06-06 21:16:05 +02:00
commit 622538a17b
1 changed files with 6 additions and 6 deletions
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12
src/Modal/modalStore.js
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@ -7,6 +7,9 @@ const stores = new Set();
/** Store for the number of open modals. */
const modalsOpen = writable(0);
const updateModalsOpen = () =>
modalsOpen.set([...stores].filter((open) => get(open)).length);
/**
* Adds a modal's store to the open modal tracking.
* Has to be called during component initialization.
@ -17,16 +20,13 @@ const modalsOpen = writable(0);
export const trackModal = (openStore) =>
onMount(() => {
stores.add(openStore);
const unsubscribe = openStore.subscribe(() =>
modalsOpen.set([...stores].filter((open) => get(open)).length)
);
const unsubscribe = openStore.subscribe(updateModalsOpen);
return () => {
unsubscribe();
if (get(openStore)) modalsOpen.update((count) => count - 1);
stores.delete(openStore);
updateModalsOpen();
};
});