mirror of
https://github.com/paricafe/misskey.git
synced 2024-12-01 18:16:44 -06:00
c2370a1be6
* chore: Add the SPDX information to each file Add copyright and licensing information as defined in version 3.0 of the REUSE Specification. * tweak format --------- Co-authored-by: syuilo <Syuilotan@yahoo.co.jp>
24 lines
575 B
TypeScript
24 lines
575 B
TypeScript
/*
|
|
* SPDX-FileCopyrightText: syuilo and other misskey contributors
|
|
* SPDX-License-Identifier: AGPL-3.0-only
|
|
*/
|
|
|
|
import { onMounted, onUnmounted, ref, Ref } from 'vue';
|
|
|
|
export function useDocumentVisibility(): Ref<DocumentVisibilityState> {
|
|
const visibility = ref(document.visibilityState);
|
|
|
|
const onChange = (): void => {
|
|
visibility.value = document.visibilityState;
|
|
};
|
|
|
|
onMounted(() => {
|
|
document.addEventListener('visibilitychange', onChange);
|
|
});
|
|
|
|
onUnmounted(() => {
|
|
document.removeEventListener('visibilitychange', onChange);
|
|
});
|
|
|
|
return visibility;
|
|
}
|