mirror of
https://github.com/d0zingcat/NotionNext.git
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104 lines
3.1 KiB
JavaScript
104 lines
3.1 KiB
JavaScript
import { generateLocaleDict, initLocale } from './lang'
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import { createContext, useContext, useEffect, useState } from 'react'
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import Router, { useRouter } from 'next/router'
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import BLOG from '@/blog.config'
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import { ALL_THEME, initDarkMode, initTheme, saveThemeToCookies } from '@/lib/theme'
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import NProgress from 'nprogress'
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import LoadingCover from '@/components/LoadingCover'
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import { isBrowser } from './utils'
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const GlobalContext = createContext()
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/**
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* 全局变量Provider，包括语言本地化、样式主题、搜索词
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* @param children
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* @returns {JSX.Element}
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* @constructor
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*/
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export function GlobalContextProvider({ children }) {
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const [lang, updateLang] = useState(BLOG.LANG) // 默认语言
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const [locale, updateLocale] = useState(generateLocaleDict(BLOG.LANG)) // 默认语言
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const [theme, setTheme] = useState(BLOG.THEME) // 默认博客主题
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const [isDarkMode, updateDarkMode] = useState(BLOG.APPEARANCE === 'dark') // 默认深色模式
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const [onLoading, setOnLoading] = useState(false) // 抓取文章数据
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const [onReading, setOnReading] = useState(true) // 网页资源加载
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const router = useRouter()
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useEffect(() => {
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initLocale(lang, locale, updateLang, updateLocale)
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initDarkMode(isDarkMode, updateDarkMode)
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initTheme(theme, changeTheme)
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if (isBrowser()) {
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// 监听用户刷新页面
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const handleBeforeUnload = (event) => {
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setOnReading(true)
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}
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// 监听页面元素加载完
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setOnReading(false)
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window.addEventListener('beforeunload', handleBeforeUnload)
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return () => {
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window.removeEventListener('beforeunload', handleBeforeUnload)
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}
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}
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}, [])
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useEffect(() => {
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const handleStart = (url) => {
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NProgress.start()
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setOnLoading(true)
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}
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const handleStop = () => {
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NProgress.done()
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setOnLoading(false)
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}
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router.events.on('routeChangeStart', handleStart)
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router.events.on('routeChangeError', handleStop)
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router.events.on('routeChangeComplete', handleStop)
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return () => {
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router.events.off('routeChangeStart', handleStart)
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router.events.off('routeChangeComplete', handleStop)
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router.events.off('routeChangeError', handleStop)
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}
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}, [router])
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function switchTheme() {
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const currentIndex = ALL_THEME.indexOf(theme)
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const newIndex = currentIndex < ALL_THEME.length - 1 ? currentIndex + 1 : 0
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const newTheme = ALL_THEME[newIndex]
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changeTheme(newTheme)
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return newTheme
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}
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function changeTheme(theme) {
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Router.query.theme = ''
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if (ALL_THEME.indexOf(theme) > -1) {
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setTheme(theme)
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} else {
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setTheme(BLOG.THEME)
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}
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saveThemeToCookies(theme)
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}
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return (
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<GlobalContext.Provider value={{
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onLoading,
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setOnLoading,
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locale,
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updateLocale,
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isDarkMode,
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updateDarkMode,
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theme,
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setTheme,
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switchTheme,
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changeTheme,
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setOnReading
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}}>
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<LoadingCover onReading={onReading} setOnReading={setOnReading}/>
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{children}
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</GlobalContext.Provider>
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)
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}
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export const useGlobal = () => useContext(GlobalContext)
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