mirror of
https://github.com/d0zingcat/NotionNext.git
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116 lines
2.9 KiB
JavaScript
116 lines
2.9 KiB
JavaScript
import lang from './lang'
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import { useContext, createContext, useState } from 'react'
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import Router from 'next/router'
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import { initDarkMode } from './theme'
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const GlobalContext = createContext()
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let hasInit = false
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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 [locale, updateLocale] = useState(generateLocaleDict('en-US'))
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const [isDarkMode, updateDarkMode] = useState(false)
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const [onLoading, changeLoadingState] = useState(false)
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Router.events.on('routeChangeStart', (...args) => {
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changeLoadingState(true)
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})
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Router.events.on('routeChangeComplete', (...args) => {
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changeLoadingState(false)
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})
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// 服务端静态渲染，在渲染hooks后根据前端变量做初始化工作
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setTimeout(() => {
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if (!hasInit) {
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hasInit = true
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initLocale(locale, updateLocale)
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initDarkMode(isDarkMode, updateDarkMode)
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}
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}, 100)
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return (
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<GlobalContext.Provider value={{ onLoading, locale, isDarkMode, updateDarkMode }}>
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{children}
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</GlobalContext.Provider>
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)
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}
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/**
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* 获取当前语言字典
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* @returns 不同语言对应字典
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*/
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const generateLocaleDict = (langString) => {
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let userLocale = lang['en-US']
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if (!langString) {
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return userLocale
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}
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if (langString.slice(0, 2).toLowerCase() === 'zh') {
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switch (langString.toLowerCase()) {
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case 'zh-cn':
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case 'zh-sg':
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userLocale = lang['zh-CN']
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break
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case 'zh-hk':
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userLocale = lang['zh-HK']
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break
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case 'zh-tw':
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userLocale = lang['zh-TW']
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break
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default:
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userLocale = lang['zh-CN']
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}
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}
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const resLocale = mergeDeep({}, lang['en-US'], userLocale)
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return resLocale
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}
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/**
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* 初始化语言
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* 根据用户当前浏览器语言进行切换
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*/
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const initLocale = (locale, changeLocale) => {
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if (typeof window !== 'undefined') {
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const targetLocale = generateLocaleDict(window.navigator.language)
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if (JSON.stringify(locale) !== JSON.stringify(targetLocale)) {
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changeLocale(targetLocale)
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}
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}
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}
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/**
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* 深度合并两个对象
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* @param target
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* @param sources
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*/
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export function mergeDeep (target, ...sources) {
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if (!sources.length) return target
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const source = sources.shift()
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if (isObject(target) && isObject(source)) {
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for (const key in source) {
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if (isObject(source[key])) {
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if (!target[key]) Object.assign(target, { [key]: {} })
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mergeDeep(target[key], source[key])
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} else {
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Object.assign(target, { [key]: source[key] })
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}
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}
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}
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return mergeDeep(target, ...sources)
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}
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/**
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* 对象检查
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* @param item
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* @returns {boolean}
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*/
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export function isObject (item) {
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return (item && typeof item === 'object' && !Array.isArray(item))
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}
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export const useGlobal = () => useContext(GlobalContext)
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