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19 lines
460 B
TypeScript
19 lines
460 B
TypeScript
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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