store svelte

import { writable } from 'svelte/store';

export const count = writable(0);

function increment() {
	count.update(n => n + 1);
}

function reset() {
	count.set(0);
}

// in other svelte component

let count_value;

const unsubscribe = count.subscribe(value => {
		count_value = value;
});