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50
clients/admin-ui/src/features/common/hooks/useLocalStorage.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| import { Dispatch, SetStateAction, useState } from "react"; | ||
|
|
||
| /* | ||
| Design taken from: https://usehooks.com/useLocalStorage/ | ||
| */ | ||
|
|
||
| // eslint-disable-next-line import/prefer-default-export | ||
| export function useLocalStorage<T = string>( | ||
| key: string, | ||
| initialValue: T | ||
| ): [T, Dispatch<SetStateAction<T>>] { | ||
| // State to store our value | ||
| // Pass initial state function to useState so logic is only executed once | ||
| const [storedValue, setStoredValue] = useState<T>(() => { | ||
| if (typeof window === "undefined") { | ||
| return initialValue; | ||
| } | ||
| try { | ||
| // Get from local storage by key | ||
| const item = window.localStorage.getItem(key); | ||
| // Parse stored json or if none return initialValue | ||
| return item ? JSON.parse(item) : initialValue; | ||
| } catch (error) { | ||
| // If error also return initialValue | ||
| // eslint-disable-next-line no-console | ||
| console.error(error); | ||
| return initialValue; | ||
| } | ||
| }); | ||
| // Return a wrapped version of useState's setter function that ... | ||
| // ... persists the new value to localStorage. | ||
| const setValue = (value: T | ((x: T) => T)) => { | ||
| try { | ||
| // Allow value to be a function so we have same API as useState | ||
| const valueToStore = | ||
| value instanceof Function ? value(storedValue) : value; | ||
| // Save state | ||
| setStoredValue(valueToStore); | ||
| // Save to local storage | ||
| if (typeof window !== "undefined") { | ||
| window.localStorage.setItem(key, JSON.stringify(valueToStore)); | ||
| } | ||
| } catch (error) { | ||
| // A more advanced implementation would handle the error case | ||
| // eslint-disable-next-line no-console | ||
| console.error(error); | ||
| } | ||
| }; | ||
| return [storedValue, setValue]; | ||
| } |
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