17 lines
506 B
TypeScript
17 lines
506 B
TypeScript
import {readable} from "svelte/store";
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/**
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* A store containing whether the current page is visible or not.
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*/
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export const visibilityStore = readable(document.visibilityState === 'visible', function start(set) {
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const onVisibilityChange = () => {
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set(document.visibilityState === 'visible');
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};
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document.addEventListener('visibilitychange', onVisibilityChange);
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return function stop() {
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document.removeEventListener('visibilitychange', onVisibilityChange);
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};
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});
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