diff options
Diffstat (limited to 'packages/demobank-ui/src/hooks/index.ts')
-rw-r--r-- | packages/demobank-ui/src/hooks/index.ts | 79 |
1 files changed, 2 insertions, 77 deletions
diff --git a/packages/demobank-ui/src/hooks/index.ts b/packages/demobank-ui/src/hooks/index.ts index 94e66e5e3..b4191d182 100644 --- a/packages/demobank-ui/src/hooks/index.ts +++ b/packages/demobank-ui/src/hooks/index.ts @@ -19,7 +19,8 @@ * @author Sebastian Javier Marchano (sebasjm) */ -import { StateUpdater, useState } from "preact/hooks"; +import { StateUpdater } from "preact/hooks"; +import { useLocalStorage, useNotNullLocalStorage } from "./useLocalStorage.js"; export type ValueOrFunction<T> = T | ((p: T) => T); const calculateRootPath = () => { @@ -68,79 +69,3 @@ export function useBackendInstanceToken( return [token, setToken]; } - -export function useLang(initial?: string): [string, StateUpdater<string>] { - const browserLang = - typeof window !== "undefined" - ? navigator.language || (navigator as any).userLanguage - : undefined; - const defaultLang = (browserLang || initial || "en").substring(0, 2); - const [value, setValue] = useNotNullLocalStorage( - "lang-preference", - defaultLang, - ); - function updateValue(newValue: string | ((v: string) => string)) { - if (document.body.parentElement) { - const htmlElement = document.body.parentElement; - if (typeof newValue === "string") { - htmlElement.lang = newValue; - setValue(newValue); - } else if (typeof newValue === "function") - setValue((old) => { - const nv = newValue(old); - htmlElement.lang = nv; - return nv; - }); - } else setValue(newValue); - } - return [value, updateValue]; -} - -export function useLocalStorage( - key: string, - initialValue?: string, -): [string | undefined, StateUpdater<string | undefined>] { - const [storedValue, setStoredValue] = useState<string | undefined>( - (): string | undefined => { - return typeof window !== "undefined" - ? window.localStorage.getItem(key) || initialValue - : initialValue; - }, - ); - - const setValue = ( - value?: string | ((val?: string) => string | undefined), - ) => { - setStoredValue((p) => { - const toStore = value instanceof Function ? value(p) : value; - if (typeof window !== "undefined") - if (!toStore) window.localStorage.removeItem(key); - else window.localStorage.setItem(key, toStore); - - return toStore; - }); - }; - - return [storedValue, setValue]; -} - -export function useNotNullLocalStorage( - key: string, - initialValue: string, -): [string, StateUpdater<string>] { - const [storedValue, setStoredValue] = useState<string>((): string => { - return typeof window !== "undefined" - ? window.localStorage.getItem(key) || initialValue - : initialValue; - }); - - const setValue = (value: string | ((val: string) => string)) => { - const valueToStore = value instanceof Function ? value(storedValue) : value; - setStoredValue(valueToStore); - if (typeof window !== "undefined") - if (!valueToStore) window.localStorage.removeItem(key); - else window.localStorage.setItem(key, valueToStore); - }; - - return [storedValue, setValue]; -} |