mirror of
https://github.com/d0zingcat/NotionNext.git
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96 lines
2.5 KiB
JavaScript
96 lines
2.5 KiB
JavaScript
import { generateLocaleDict, initLocale } from './lang'
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import { createContext, useContext, useEffect, useState } from 'react'
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import Router from 'next/router'
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import BLOG from '@/blog.config'
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import { ALL_THEME, initDarkMode } from '@/lib/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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const [theme, setTheme] = useState(BLOG.THEME)
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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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useEffect(() => {
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if (!hasInit) {
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const userTheme = getQueryVariable('theme')
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console.log('用户主题', userTheme)
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if (userTheme && ALL_THEME.indexOf(userTheme) > -1) {
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setTheme(userTheme)
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}
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initLocale(locale, updateLocale)
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initDarkMode(isDarkMode, updateDarkMode)
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hasInit = true
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}
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})
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return (
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<GlobalContext.Provider value={{ onLoading, locale, updateLocale, isDarkMode, updateDarkMode, theme, setTheme }}>
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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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* 查询url中的query参数
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* @param {}} variable
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* @returns
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*/
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function getQueryVariable (variable) {
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const query = window.location.search.substring(1)
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const vars = query.split('&')
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for (let i = 0; i < vars.length; i++) {
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const pair = vars[i].split('=')
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if (pair[0] === variable) { return pair[1] }
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}
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return (false)
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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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