23 lines
590 B
JavaScript
23 lines
590 B
JavaScript
import { writable } from 'svelte/store'
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import { browser } from '$app/environment';
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export const uuid = writable(fromLocalStorage('uuid', null))
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toLocalStorage(uuid, 'uuid');
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function fromLocalStorage(storageKey, fallback) {
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if (browser) {
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const storedValue = localStorage.getItem(storageKey);
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if (storedValue !== 'undefined') {
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return storedValue
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}
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}
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return fallback
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}
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function toLocalStorage(store, storageKey) {
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if (browser) {
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store.subscribe(value => {
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localStorage.setItem(storageKey, value)
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})
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}
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} |