summaryrefslogtreecommitdiff
path: root/apps/web/src/services/storage/use-local-storage.ts
diff options
context:
space:
mode:
Diffstat (limited to 'apps/web/src/services/storage/use-local-storage.ts')
-rw-r--r--apps/web/src/services/storage/use-local-storage.ts58
1 files changed, 58 insertions, 0 deletions
diff --git a/apps/web/src/services/storage/use-local-storage.ts b/apps/web/src/services/storage/use-local-storage.ts
new file mode 100644
index 00000000..d0188ab3
--- /dev/null
+++ b/apps/web/src/services/storage/use-local-storage.ts
@@ -0,0 +1,58 @@
+import { useState, useEffect, useCallback, useRef } from "react";
+
+export function useLocalStorage<T>({
+ key,
+ defaultValue,
+}: {
+ key: string;
+ defaultValue: T;
+}): [
+ T,
+ ({ value }: { value: T | ((previousValue: T) => T) }) => void,
+ boolean,
+] {
+ const [value, setValue] = useState<T>(defaultValue);
+ const [isReady, setIsReady] = useState(false);
+ const valueRef = useRef(defaultValue);
+
+ // avoid hydration mismatch by reading after mount
+ useEffect(() => {
+ try {
+ const storedValue = localStorage.getItem(key);
+ if (storedValue !== null) {
+ const parsedValue = JSON.parse(storedValue) as T;
+ valueRef.current = parsedValue;
+ setValue(parsedValue);
+ }
+ } catch {
+ // localstorage might be unavailable
+ }
+ setIsReady(true);
+ }, [key]);
+
+ // sync to localstorage after hydration
+ useEffect(() => {
+ if (!isReady) return;
+
+ try {
+ localStorage.setItem(key, JSON.stringify(value));
+ } catch {
+ // localstorage might be full or disabled
+ }
+ }, [key, value, isReady]);
+
+ const setValueWithCallback = useCallback(
+ ({ value: nextValue }: { value: T | ((previousValue: T) => T) }) => {
+ const resolvedValue =
+ typeof nextValue === "function"
+ ? (nextValue as (previousValue: T) => T)(valueRef.current)
+ : nextValue;
+
+ valueRef.current = resolvedValue;
+ setValue(resolvedValue);
+ },
+ [],
+ );
+
+ return [value, setValueWithCallback, isReady];
+}