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try catch error if local storage is undefiend when parsed
+9
-3
src/lib/stores.svelte.ts
+9
-3
src/lib/stores.svelte.ts
···
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const storage = browser_exists ? localStorage : null;
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// Generalized Local Storage
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-
function persisted<T>(key: string, initial_value: T) {
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let value : T = $state(initial_value);
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function persisted<T>(key: string, default_value: T) {
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let value : T = $state(default_value);
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const initial_local = storage?.getItem(key);
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if (initial_local) {
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value = JSON.parse(initial_local).value as T;
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try {
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value = JSON.parse(initial_local).value as T;
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if (!value) { update(default_value); }
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}
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catch (e) {
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update(default_value);
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}
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}
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function update(new_value : T) {