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Merge pull request #67 from SeanCassiere/SeanCassiere/feat-add-sideba…
…r-toggle-func feat: add toggle sidebar functionality
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88 changes: 88 additions & 0 deletions
88
packages/trpc-panel/src/react-app/components/hooks/useLocalStorage.tsx
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| // a stripped down version of https://usehooks-ts.com/react-hook/use-local-storage | ||
| import { | ||
| useCallback, | ||
| useEffect, | ||
| useState, | ||
| type Dispatch, | ||
| type SetStateAction, | ||
| } from "react"; | ||
|
|
||
| type SetValue<T> = Dispatch<SetStateAction<T>>; | ||
|
|
||
| export function useLocalStorage<T>( | ||
| key: string, | ||
| initialValue: T | ||
| ): [T, SetValue<T>] { | ||
| // Get from local storage then | ||
| // parse stored json or return initialValue | ||
| const readValue = useCallback((): T => { | ||
| // Prevent build error "window is undefined" but keeps working | ||
| if (typeof window === "undefined") { | ||
| return initialValue; | ||
| } | ||
|
|
||
| try { | ||
| const item = window.localStorage.getItem(key); | ||
| return item ? (parseJSON(item) as T) : initialValue; | ||
| } catch (error) { | ||
| console.warn( | ||
| `tRPC-Panel.useLocalStorage: Error reading localStorage key “${key}”:`, | ||
| error | ||
| ); | ||
| return initialValue; | ||
| } | ||
| }, [initialValue, key]); | ||
|
|
||
| // State to store our value | ||
| // Pass initial state function to useState so logic is only executed once | ||
| const [storedValue, setStoredValue] = useState<T>(readValue); | ||
|
|
||
| // Return a wrapped version of useState's setter function that ... | ||
| // ... persists the new value to localStorage. | ||
| const setValue: SetValue<T> = useCallback( | ||
| (value) => { | ||
| // Prevent build error "window is undefined" but keeps working | ||
| if (typeof window === "undefined") { | ||
| console.warn( | ||
| `tRPC-Panel.useLocalStorage: Tried setting localStorage key “${key}” even though environment is not a client` | ||
| ); | ||
| } | ||
|
|
||
| try { | ||
| // Allow value to be a function so we have the same API as useState | ||
| const newValue = value instanceof Function ? value(storedValue) : value; | ||
|
|
||
| // Save to local storage | ||
| window.localStorage.setItem(key, JSON.stringify(newValue)); | ||
|
|
||
| // Save state | ||
| setStoredValue(newValue); | ||
| } catch (error) { | ||
| console.warn( | ||
| `tRPC-Panel.useLocalStorage: Error setting localStorage key “${key}”:`, | ||
| error | ||
| ); | ||
| } | ||
| }, | ||
| [storedValue] | ||
| ); | ||
|
|
||
| useEffect(() => { | ||
| setStoredValue(readValue()); | ||
| // eslint-disable-next-line react-hooks/exhaustive-deps | ||
| }, []); | ||
|
|
||
| return [storedValue, setValue]; | ||
| } | ||
|
|
||
| // A wrapper for "JSON.parse()"" to support "undefined" value | ||
| function parseJSON<T>(value: string | null): T | undefined { | ||
| try { | ||
| return value === "undefined" ? undefined : JSON.parse(value ?? ""); | ||
| } catch { | ||
| console.log("tRPC-Panel.useLocalStorage.parseJSON: parsing error on", { | ||
| value, | ||
| }); | ||
| return undefined; | ||
| } | ||
| } |