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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,119 @@ | ||
| const I18nProcessor = require('./i18n-processor'); | ||
| const {transformNavigation} = require("./utils"); | ||
|
|
||
| class NavigationProcessor { | ||
| constructor(config, pages) { | ||
| this.config = config; | ||
| this.pages = pages; | ||
| this.navigationCache = new Map(); | ||
| this.i18nProcessor = new I18nProcessor(config, pages); | ||
| } | ||
|
|
||
| /** | ||
| * 获取缓存的导航数据 | ||
| */ | ||
| getCachedNavigation(locale) { | ||
| if (!this.navigationCache.has(locale)) { | ||
| const navData = this.transformNavigation(this.config.nav, locale); | ||
| this.navigationCache.set(locale, navData); | ||
| } | ||
| return this.navigationCache.get(locale); | ||
| } | ||
|
|
||
| /** | ||
| * 转换导航数据，处理国际化 | ||
| */ | ||
| transformNavigation(navigation, locale) { | ||
| if (!navigation) { | ||
| return []; | ||
| } | ||
|
|
||
| const processItem = (item) => { | ||
| if (typeof item === 'string') { | ||
| const pageData = this.getLocalizedPage(item, locale); | ||
| if (pageData) { | ||
| const title = pageData.title | ||
| ? this.i18nProcessor.getTranslation(pageData.title, locale) | ||
| : pageData.title; | ||
|
|
||
| return { | ||
| ...pageData, | ||
| title, | ||
| href: this.appendHtml(item, locale) | ||
| }; | ||
| } | ||
| return { | ||
| title: item.split('/').pop(), | ||
| href: this.appendHtml(item, locale) | ||
| }; | ||
| } | ||
|
|
||
| if (typeof item === 'object') { | ||
| const [[title, items]] = Object.entries(item); | ||
| return { | ||
| title: this.i18nProcessor.getTranslation(title, locale), | ||
| href: this.appendHtml(items[0], locale), | ||
| items: Array.isArray(items) ? items.map(processItem) : [] | ||
| }; | ||
| } | ||
|
|
||
| return item; | ||
| }; | ||
|
|
||
| return navigation.map(processItem); | ||
| } | ||
|
|
||
| /** | ||
| * 获取本地化的页面数据 | ||
| */ | ||
| getLocalizedPage(pagePath, locale) { | ||
| const normalizedPath = pagePath.replace(/\.(md|html)$/, ''); | ||
|
|
||
| if (this.i18nProcessor.isEnabled() && locale !== this.i18nProcessor.getDefaultLocale()) { | ||
| const localePath = `${normalizedPath}.${locale}`; | ||
| const localizedData = this.pages.get(localePath); | ||
| if (localizedData) { | ||
| return localizedData; | ||
| } | ||
| } | ||
|
|
||
| return this.pages.get(normalizedPath); | ||
| } | ||
|
|
||
| /** | ||
| * 附加 HTML 扩展名并处理语言路径 | ||
| */ | ||
| appendHtml(pathStr, locale) { | ||
| if (typeof pathStr === 'string') { | ||
| if (this.i18nProcessor.isEnabled()) { | ||
| pathStr = pathStr.replace(`.${locale}`, ''); | ||
| } | ||
|
|
||
| return pathStr.endsWith('.md') | ||
| ? pathStr.replace('.md', '.html') | ||
| : pathStr.endsWith('.html') | ||
| ? pathStr | ||
| : `${pathStr}.html`; | ||
| } | ||
|
|
||
| if (Array.isArray(pathStr)) { | ||
| return this.appendHtml(pathStr[0], locale); | ||
| } | ||
|
|
||
| if (typeof pathStr === 'object' && pathStr !== null) { | ||
| const firstKey = Object.keys(pathStr)[0]; | ||
| return this.appendHtml(pathStr[firstKey], locale); | ||
| } | ||
|
|
||
| return pathStr; | ||
| } | ||
|
|
||
| /** | ||
| * 清除导航缓存 | ||
| */ | ||
| clearCache() { | ||
| this.navigationCache.clear(); | ||
| } | ||
| } | ||
|
|
||
| module.exports = NavigationProcessor; |