yumechi-no-kuni/packages/client/src/scripts/use-interval.ts
2022-07-02 22:07:04 +09:00

24 lines
565 B
TypeScript

import { onMounted, onUnmounted } from 'vue';
export function useInterval(fn: () => void, interval: number, options: {
immediate: boolean;
afterMounted: boolean;
}): void {
if (Number.isNaN(interval)) return;
let intervalId: number | null = null;
if (options.afterMounted) {
onMounted(() => {
if (options.immediate) fn();
intervalId = window.setInterval(fn, interval);
});
} else {
if (options.immediate) fn();
intervalId = window.setInterval(fn, interval);
}
onUnmounted(() => {
if (intervalId) window.clearInterval(intervalId);
});
}