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c1514ce91d
Fix #13290
24 lines
564 B
TypeScript
24 lines
564 B
TypeScript
/*
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* SPDX-FileCopyrightText: syuilo and misskey-project
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* SPDX-License-Identifier: AGPL-3.0-only
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*/
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import { onMounted, onUnmounted, ref, Ref } from 'vue';
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export function useDocumentVisibility(): Ref<DocumentVisibilityState> {
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const visibility = ref(document.visibilityState);
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const onChange = (): void => {
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visibility.value = document.visibilityState;
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};
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onMounted(() => {
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document.addEventListener('visibilitychange', onChange);
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});
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onUnmounted(() => {
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document.removeEventListener('visibilitychange', onChange);
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});
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return visibility;
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}
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