src/lib/navigation.ts


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import { derived } from 'svelte/store';
import { navigating } from '$app/stores';

let timer: ReturnType<typeof setTimeout> = null;
export const isNavigating = derived(navigating, (newValue, set) => {
  if (timer) {
    clearTimeout(timer);
  }
  if (newValue) {
    timer = setTimeout(() => set(true), 500);
  }
  set(false);
});