Ott 2091 lang change

src/features/GlobalStores/index.tsx

@@ -1,12 +1,11 @@
 import { ReactNode } from 'react'
 
-import { client } from 'config/clients'
 import { getLanguageUrlParam } from 'helpers/languageUrlParam'
 
 import { AuthStore } from 'features/AuthStore'
 import { LexicsStore } from 'features/LexicsStore'
 
-const initialLanguage = getLanguageUrlParam() || client.defaultLanguage
+const initialLanguage = getLanguageUrlParam()
 
 type Props = {
   children: ReactNode,

src/features/LexicsStore/helpers/isSupportedLang/index.tsx

@@ -1,9 +0,0 @@
-import map from 'lodash/map'
-import includes from 'lodash/includes'
-
-import { langsList } from 'config/languages'
-
-export const isSupportedLang = (lang: string) => {
-  const supportedLangs = map(langsList, 'locale')
-  return includes(supportedLangs, lang)
-}

src/features/LexicsStore/hooks/useLang.tsx

@@ -3,14 +3,16 @@ import { useCallback } from 'react'
 import { useLocalStore } from 'hooks'
 
 import type { Languages } from 'config/languages'
+import { client } from 'config/clients'
 
-import { isSupportedLang } from '../helpers/isSupportedLang'
+import { isSupportedLang } from 'helpers/isSupportedLang'
 
 const LANG_KEY = 'lang'
-const DEFAULT_LANG = 'en'
+const DEFAULT_LANG = client.defaultLanguage || 'en'
 
-export const useLang = (initialLanguage: Languages = DEFAULT_LANG) => {
+export const useLang = (initialLanguage?: Languages) => {
   const [lang, setLang] = useLocalStore<Languages>({
+    defaultValue: DEFAULT_LANG,
     initialValue: initialLanguage,
     key: LANG_KEY,
     validator: isSupportedLang,

src/helpers/isSupportedLang/index.tsx

@@ -0,0 +1,10 @@
+import map from 'lodash/map'
+import includes from 'lodash/includes'
+
+import type { Languages } from 'config/languages'
+import { langsList } from 'config/languages'
+
+export const isSupportedLang = (lang: string): lang is Languages => {
+  const supportedLangs = map(langsList, ({ locale }) => locale)
+  return includes(supportedLangs, lang)
+}

src/helpers/languageUrlParam/index.tsx

@@ -1,11 +1,14 @@
 import type { Languages } from 'config/languages'
 import { history } from 'config/history'
 
+import { isSupportedLang } from 'helpers/isSupportedLang'
+
 const KEY = 'lang'
 
-export const getLanguageUrlParam = () => (
-  new URLSearchParams(history.location.search).get(KEY) as Languages
-)
+export const getLanguageUrlParam = () => {
+  const lang = new URLSearchParams(history.location.search).get(KEY)
+  return lang && isSupportedLang(lang) ? lang : undefined
+}
 
 export const addLanguageUrlParam = (lang: Languages, url: string) => {
   const urlObject = new URL(url)

src/hooks/useStorage/index.tsx

@@ -9,7 +9,17 @@ const defaultSerializer = (key: string, value: any) => value
 
 type Args<T> = {
   clearOnUnmount?: boolean,
+
+  /**
+   * Дефолтное знаение
+   * используется если полученный из сторежда значение не валидно
+   */
   defaultValue?: T,
+
+  /**
+   * Начальное значение
+   * если указано пропускает считывание из стореджа
+   */
   initialValue?: T,
   key: string,
   serialize?: (key: string, value: T) => string,