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feat(use): usePageVisibility

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This commit is contained in:
chenjiahan 2020-09-14 18:50:22 +08:00
parent 1607aa8ba7
commit 36b8748552
1 changed files with 18 additions and 0 deletions
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18
packages/vant-use/src/usePageVisibility/index.ts Normal file
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import { ref } from 'vue';
import { inBrowser } from '../shared';
import { useEventListener } from '../useEventListener';
export function usePageVisibility() {
const visibility = ref<VisibilityState>('visible');
const setVisibility = () => {
if (inBrowser) {
visibility.value = document.hidden ? 'hidden' : 'visible';
}
};
setVisibility();
useEventListener('visibilitychange', setVisibility);
return visibility;
}